--- Log opened Fri Aug 01 00:00:08 2014
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2014-08-01T01:28:03 < jadew> here's a question, do you have to enable the clock for a specific peripheral before starting to write its registers or are the registers independent of that clock?
2014-08-01T01:28:24 < jadew> say... can I configure a GPIO port before enabling its clock?
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2014-08-01T01:30:00 < Steffanx> Try it ;)
2014-08-01T01:30:28 < jadew> yeah, but even if it worked, it still wouldn't answer my question
2014-08-01T01:30:29 < jadew> :)
2014-08-01T01:30:43 < jadew> could work and still be the wrong way to do it
2014-08-01T01:31:08 < Steffanx> im not sure if it applies to all periperhals, but for most of them it's required.
2014-08-01T01:31:32 < aadamson> so the real question for the day.... how many times can I reuse a 10 pin cortex male connector :)
2014-08-01T01:31:40 < jadew> I'm asking because I noticed that everywhere, the clock is enabled first and then the registers are written, which is a bit odd, because enabling the clock is like enabling the peripheral, so it goes against common sense a bit
2014-08-01T01:31:55 < aadamson> the smt type to plug a debugger into :)
2014-08-01T01:31:58 < Steffanx> depends on the manufacturer etc. aadamson :P
2014-08-01T01:32:05 < aadamson> I think I'm on board 4 or 5 now
2014-08-01T01:32:14 < jadew> Steffanx, thanks
2014-08-01T01:32:17 < aadamson> *next board will use tag-connect*!
2014-08-01T01:32:25 < Steffanx> wut?
2014-08-01T01:32:52 < aadamson> yeah, I have no way to program them other than the cortex connector and I don't want to leave it on the board for weight and stuff getting in the way
2014-08-01T01:32:57 < aadamson> so next time it will be a tag-connect
2014-08-01T01:33:32 < Steffanx> ooh, you desolder it?
2014-08-01T01:33:33 < jadew> why don't you make a custom one?
2014-08-01T01:33:36 < aadamson> yup
2014-08-01T01:33:50 < aadamson> wide tweezers and pull it off - hence the question of re-use :)
2014-08-01T01:34:55 < Sync> probably pretty often
2014-08-01T01:35:52 < Steffanx> Oh, to be honest im actually not sure if the registers are not writable jadew. The datasheet does say they may not be readable ( read as 0x00)
2014-08-01T01:36:28 < jadew> Steffanx, it does makes sense, because they're probably held close to the peripheral circuitry
2014-08-01T01:36:48 < jadew> aadamson: http://dumb.ro/files/WP_20140412_007.png custom JTAG connector
2014-08-01T01:36:52 < GargantuaSauce> the registers are not writable wihtout the clock enabled
2014-08-01T01:37:01 < jadew> the board is a bit skewed, but the connector is great
2014-08-01T01:37:08 < jadew> cheap and you don't have to take it off
2014-08-01T01:37:24 < GargantuaSauce> it fails silently because the commands are written to the bus correctly but its clock is not gated to the peripheral including its registers
2014-08-01T01:37:29 < jadew> not to mention it takes less space than a regular one
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2014-08-01T01:38:07 < jadew> GargantuaSauce, got it, so the registers are actually part of the peripheral
2014-08-01T01:38:13 < GargantuaSauce> yeppers
2014-08-01T01:38:31 < jadew> thought there could be some place for registers and all the peripherals tap into that
2014-08-01T01:38:39 < Steffanx> Now you say it GargantuaSauce.. dont some other manufacturers make it hard fault when you try to read/write unclocked peripherals?
2014-08-01T01:38:47 < GargantuaSauce> i have no idea
2014-08-01T01:38:48 < jadew> but I suppose it makes more sense to have them close and related to the peripheral's clock
2014-08-01T01:38:50 < GargantuaSauce> it would make sense
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2014-08-01T02:03:12 < jadew> "HSE oscillator bypassed with an external clock" - does that translate to "do not drive an oscillator, use externally generated clock"?
2014-08-01T02:03:50 < jadew> that's the HSEBYP bit of the RCC_CR register which is described only as "HSE clock bypass"
2014-08-01T02:04:05 < aadamson> jadew, thanks for the picture on the custom connector... May try something like that in the future
2014-08-01T02:04:54 < jadew> aadamson, np, personally I love it because it costs nothing and works particularly great when you have vertically mounted PCBs
2014-08-01T02:05:52 < jadew> back to the register issue - I have to say that when it comes to bit descriptions the datasheet is very brief
2014-08-01T02:06:23 < jadew> and the fact that it's borderline chinglish doesn't help either
2014-08-01T02:06:37 < jadew> oscillator bypassed with an external clock - WTH DOES THAT MEAN?
2014-08-01T02:06:43 < GargantuaSauce> read the reference manual
2014-08-01T02:06:51 < GargantuaSauce> the datasheet does not go into detail on many things
2014-08-01T02:06:51 < jadew> GargantuaSauce, that's the one I'm reading
2014-08-01T02:06:54 < GargantuaSauce> oh
2014-08-01T02:06:59 < GargantuaSauce> well don't call it the datasheet e_e
2014-08-01T02:07:05 < jadew> :P
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2014-08-01T02:07:25 < jadew> I think it's more like a 2 parts datasheet
2014-08-01T02:07:31 < GargantuaSauce> but yes it will just expect a clock on the clock in pin
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2014-08-01T02:07:40 < jadew> the part datasheet and the family datasheet
2014-08-01T02:07:50 < jadew> GargantuaSauce, got it, thanks
2014-08-01T02:08:02 < jadew> do you agree that they could have expressed that more clearly?
2014-08-01T02:08:08 < jadew> or is it just me?
2014-08-01T02:08:22 < GargantuaSauce> there is a lot of poorly worded stuff i agree
2014-08-01T02:09:34 < jadew> thanks
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2014-08-01T03:55:00 < dongs> sup bloggers
2014-08-01T03:55:35 < dongs> clicking on 'custom jtag connector
2014-08-01T03:55:40 < dongs> uh..
2014-08-01T03:55:42 < dongs> wat
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2014-08-01T04:28:46 < jadew> is it normal that the HSE crystal is oscillating even tho HSE is off?
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2014-08-01T04:35:13 < dongs> is it just 10pin board edge connector?
2014-08-01T04:35:22 < dongs> no it shouldnt be
2014-08-01T04:36:26 < jadew> here's another question, what exactly is SystemInit supposed to do? more precisely - what does the MCU doesn't do by itself during a reset?
2014-08-01T04:36:41 < dongs> yea systeminit is pretty bloated shit
2014-08-01T04:36:54 < dongs> there's liek ~10 lines of stuff that needs to be done
2014-08-01T04:36:56 < dongs> and thats it
2014-08-01T04:37:08 < jadew> looking at the stdperiph implementation it's doing a bunch of stuff, but it doesn't do other
2014-08-01T04:37:47 < jadew> how exactly do you know that you should reset RCC->CR, but not RCC->AHB1RSTR
2014-08-01T04:38:10 < dongs> you don't need to do either anyway
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2014-08-01T04:52:53 < jadew> dongs, sorry had to go afk
2014-08-01T04:53:05 < jadew> yeah, that's what it looks to me too, so why are they doing that
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2014-08-01T04:53:19 < jadew> I noticed they are initializing some registers with the reset value specified in the datasheet
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2014-08-01T05:09:59 < dongs> man the schematic with boost made out of schmittr trigger inverter is so full of hacks
2014-08-01T05:10:12 < dongs> making 3.3V pullup voltage for i2c from 5V by resistor divider.... :|
2014-08-01T05:10:25 < dongs> da fuq, i dont think even tarduino guys do this kinda shit
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2014-08-01T05:44:16 < upgrdman> whos schematic?
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2014-08-01T06:08:31 < upgrdman> trying to trigger the adc with tim1 overflows.
2014-08-01T06:08:41 < upgrdman> does a timer need to be configured to generate a TRGO?
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2014-08-01T06:09:06 < upgrdman> time update events are occurring, but the adc is not taking new samples
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2014-08-01T06:12:37 < dongs> yes i  think so
2014-08-01T06:12:54 < johntramp> what do you guys recommend using for debugging on the stm through openocd?
2014-08-01T06:13:43 < dongs> i recommend not using opeocd
2014-08-01T06:13:55 < johntramp> and instead?
2014-08-01T06:14:07 < dongs> jlink has gdbserver
2014-08-01T06:14:11 < dongs> if you insist on gdb
2014-08-01T06:14:31 < dongs> http://www.hotmcu.com/usbminijtag-jlink-jtagswd-debuggeremula%E2%80%8Btor-p-29.html and this is cheap
2014-08-01T06:15:08 < dongs> or you can pickup jlinkedu from digikey for ~$60 or so
2014-08-01T06:15:57 < johntramp> I have an st-link dongle
2014-08-01T06:16:34 < dongs> that works, but is annoying.
2014-08-01T06:16:43 < dongs> and requires openocd.
2014-08-01T06:16:48 < dongs> which you seem to be having toruble with
2014-08-01T06:17:23 < johntramp> no openocd works but eclipse is pissing me off
2014-08-01T06:17:39 < emeb_mac> blech. eclipse
2014-08-01T06:18:22 < johntramp> but things like ddd seems worse
2014-08-01T06:19:57 < emeb_mac> you're using linux?
2014-08-01T06:20:21 < johntramp> yes
2014-08-01T06:23:21 < emeb_mac> well, I use linux for stm32 development. I use a basic editor, gcc, gdb, openocd + stlink and ddd on the rare times that I need source-level debugging.
2014-08-01T06:23:33 < emeb_mac> but I usually don't do source-level debug.
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2014-08-01T06:28:25 < johntramp> maybe ddd is the way to go...
2014-08-01T06:29:14 < emeb_mac> it works. ugly, but functional.
2014-08-01T06:29:32 < emeb_mac> if you can get eclipse working that's probably better integrated.
2014-08-01T06:29:47 < emeb_mac> but then it's eclipse, with all the baggage that goes with
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2014-08-01T06:31:15 < johntramp> and is there nothing in between those two
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2014-08-01T06:34:47 < dongs> you can pay $150 for crossworks
2014-08-01T06:34:55 < dongs> which is gcc + gdb frontend with pretty gui and is not eclipse
2014-08-01T06:35:07 < dongs> everything else GUI is eclipse.
2014-08-01T06:39:31 < johntramp> nemiver looks like it could be okay
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2014-08-01T07:04:19 < jadew> found an error in stm32f407xx.h
2014-08-01T07:04:38 < jadew> RCC_CFGR_SWS_HSI, RCC_CFGR_SWS_HSE and RCC_CFGR_SWS_PLL have the wrong values
2014-08-01T07:06:39 < jadew> well, HSI is fine, HSE and PLL are wrong
2014-08-01T07:07:53 < jadew> scratch that
2014-08-01T07:08:08  * jadew hits head against the bench
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2014-08-01T07:15:18 < emeb_mac> ragequit?
2014-08-01T07:15:53 < jadew> different person
2014-08-01T07:16:06 < emeb_mac> derp
2014-08-01T07:16:27 < emeb_mac> where did you get stm32f407xx.h? haven't heard of that header
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2014-08-01T07:16:45 < jadew> stdperiph lib I suppose
2014-08-01T07:16:57 < emeb_mac> doesn't sound right
2014-08-01T07:16:59 < jadew> I just followed a definition for a macro and ended up there
2014-08-01T07:17:05 < dongs> < emeb_mac> where did you get stm32f407xx.h? haven't heard of that header
2014-08-01T07:17:11 < dongs> uh..cmsis??
2014-08-01T07:17:15 < dongs> its the huge f4 header
2014-08-01T07:17:17 < dongs> ~700k or so
2014-08-01T07:17:29 < emeb_mac> stm32f4xx.h sure, but not stm32f407xx.h
2014-08-01T07:17:37 < dongs> well thats what he meant im sure
2014-08-01T07:17:38 < jadew> it's included from that one
2014-08-01T07:17:50 < dongs> that i havenet heard of.
2014-08-01T07:17:57 < emeb_mac> same here
2014-08-01T07:18:10 < jadew> #elif defined(STM32F407xx)
2014-08-01T07:18:10 < jadew>   #include "stm32f407xx.h"
2014-08-01T07:18:26 < emeb_mac> checking...
2014-08-01T07:19:08 < jadew> my stm32f4xx is fairly small
2014-08-01T07:19:14 < jadew> maybe 300 lines
2014-08-01T07:19:22 < jadew> 223
2014-08-01T07:19:45 < dongs> is this timecube shit
2014-08-01T07:19:49 < jadew> and it includes the header for the subfamily you're working with
2014-08-01T07:19:52 < jadew> no
2014-08-01T07:20:01 < jadew> it's from visualGDB
2014-08-01T07:20:15 < dongs> why would anyone want to fuck with vendor headersr
2014-08-01T07:20:20 < jadew> I think it's a different branch of the stdperiph lib or something
2014-08-01T07:20:28 < jadew> they're not vendor headers
2014-08-01T07:20:36 < emeb_mac> aha - it's part of that crappy HAL stuf
2014-08-01T07:20:41 < dongs> stm32f4xx is
2014-08-01T07:20:46 < jadew> emeb_mac, yeah
2014-08-01T07:20:51 < dongs> he just said it wasnt t imecube
2014-08-01T07:20:54 < jadew> they have the same thing that gets generated from that cube thing
2014-08-01T07:21:04 < jadew> it's not, but it's the same thing I suppose
2014-08-01T07:21:05 < emeb_mac> well, he was wrong - it's only in the cube
2014-08-01T07:21:07 < jadew> a different branch
2014-08-01T07:21:33 < jadew> I only care for the constants anyway
2014-08-01T07:22:24 < jadew> the rest of the code is mostly useless
2014-08-01T07:23:06 < emeb_mac> can't help much with the new cube stuff - I only use old stdperipheral
2014-08-01T07:23:37 < jadew> same functionality, different naming convention for functions
2014-08-01T07:23:47 < emeb_mac> maybe
2014-08-01T07:23:48 < jadew> and I believe the same constants
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2014-08-01T07:24:00 < jadew> and the code is just as bad
2014-08-01T07:24:32 < emeb_mac> stdperiph is actually not too awful
2014-08-01T07:24:46 < emeb_mac> it seems bulky compared to direct register access
2014-08-01T07:24:56 < emeb_mac> but it works and optimizes fairly well
2014-08-01T07:25:33 < emeb_mac> only thing I've seen that's better is zyp's laks stuff, but it's not as complete.
2014-08-01T07:25:52 < jadew> I'm making my own right now
2014-08-01T07:26:39 < jadew> but macro based and with the posibility of setting things in bulk, in one instruction rather than 1 million
2014-08-01T07:27:55 < emeb_mac> cool
2014-08-01T07:27:55 < jadew> I think the initial intention was good, but they got carried away with those structures and junk
2014-08-01T07:28:10 < emeb_mac> perhaps
2014-08-01T07:30:40 < jadew> 300+ lines of code to configure the clock
2014-08-01T07:31:41 < jadew> that's something that takes 2 lines if you know what you have running (and you should)
2014-08-01T07:32:56 < emeb_mac> maybe a few more than 2 lines
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2014-08-01T07:33:32 < emeb_mac> setting all the clock routing & PLL setup, plus stepping thru all the sequencing isn't quite so simple
2014-08-01T07:33:39 < emeb_mac> but 300 lines is excessive
2014-08-01T07:33:57 < jadew> yeah, I guess I exagerated
2014-08-01T07:34:00 < jadew> but yes
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2014-08-01T07:38:02 < emeb_mac> stdperiph also keeps track of clock setup so when you configure other stuff (SPI, USART, I2C, etc) it knows what the frequencies are and can compute the register values
2014-08-01T07:38:30 < emeb_mac> rather than you having to know that yourself at all steps of the process
2014-08-01T07:41:09 < jadew> yeah, that's nice
2014-08-01T07:41:56 < jpa-> chibios does that same with a quite nice system of #defines
2014-08-01T07:44:35 < emeb_mac> need to try that some day
2014-08-01T07:44:58 < emeb_mac> but all my current projects are stdperiph, so converting would be nuisance
2014-08-01T07:52:54 < dongs> http://gfycat.com/HoarseInnocentGalago
2014-08-01T07:53:10 < dongs> defines suck
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2014-08-01T08:07:01 < dongs> https://www.youtube.com/watch?v=de5Az1vTgpQ lol
2014-08-01T08:07:42 < emeb_mac> whoops!
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2014-08-01T09:32:25 < jadew> any idea where I can find the ASM instruction set for stm32f4?
2014-08-01T09:32:43 < jpa-> google "cortex-m4f instruction set"
2014-08-01T09:32:53 < jadew> thanks
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2014-08-01T10:07:12 < jadew> can someone shed some light on why ARM went to the trouble of creating bitbanding when the same functionality could have been achieved with 2 instructions?
2014-08-01T10:07:42 < jadew> like... you could even mask the whole thing behind two instructions and spare the pain of bit to alias mapping
2014-08-01T10:07:55 < jadew> am I missing something?
2014-08-01T10:12:14 < jpa-> bit banding is a bit weird
2014-08-01T10:12:32 < jpa-> seems like an afterthought after the instruction set has been finalized or something
2014-08-01T10:12:36 < jadew> I find it way to convoluted for something that should be super simple and transparent
2014-08-01T10:12:43 < jadew> I agree
2014-08-01T10:14:44 < jadew> the problem is I'm having a hard time finding decent documentation
2014-08-01T10:15:24 < jpa-> mostly, bitbanding is not worth using
2014-08-01T10:15:48 < jadew> jpa-, I was hoping it would speed things up a bit
2014-08-01T10:16:13 < jadew> for turning on and off individual bits in the GIPO ODR
2014-08-01T10:16:24 < jpa-> no, use GPIO BSRR for that
2014-08-01T10:16:27 < dongs> bitbanding is amazing
2014-08-01T10:16:32 < dongs> you just have no idea
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2014-08-01T10:18:10 < jadew> dongs, how come? also - would it speed up turning bits on and off in GIPO registers?
2014-08-01T10:18:19 < jadew> jpa-, will look into it
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2014-08-01T10:18:57 < jadew> jpa-, awesome!
2014-08-01T10:19:02 < jadew> don't know how I missed that one
2014-08-01T10:19:03 < jadew> hehe
2014-08-01T10:19:29 < jadew> I guess there's nothing for reading them tho?
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2014-08-01T10:23:40 < dongs>  jadew> dongs, how come? also - would it speed up turning bits on and off in GIPO registers?
2014-08-01T10:23:46 < dongs> of course it will
2014-08-01T10:24:00 < jadew> so what's so great about it?
2014-08-01T10:24:18 < jadew> I mean... it's not uncommon to be able to address individual bits from things
2014-08-01T10:24:57 < jadew> I suppose it would work well if you filled some memory 1 bit at a time tho
2014-08-01T10:25:11 < jadew> hmm
2014-08-01T10:25:23 < jadew> that does sound pretty nice
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2014-08-01T10:39:19 < dongs> ^
2014-08-01T10:41:53 < jadew> I really need to learn the instruction set, I think the compiler is pretty dumb
2014-08-01T10:44:50 < dongs> i got a better idea
2014-08-01T10:44:53 < dongs> use a better compiler
2014-08-01T10:44:59 < dongs> its 2014, after all
2014-08-01T10:45:12 < jadew> I'm using gcc
2014-08-01T10:45:16 < dongs> thats the problem
2014-08-01T10:45:25 < jadew> what do you suggest?
2014-08-01T10:45:32 < Claude> g++ ;)
2014-08-01T10:45:36 < dongs> armcc
2014-08-01T10:45:43 < jadew> Claude :)
2014-08-01T10:45:50 < jadew> dongs, paid?
2014-08-01T10:45:55 < dongs> of course
2014-08-01T10:46:04 < Laurenceb__> sup trolls
2014-08-01T10:46:08 < dongs> basically, you get what you pay for
2014-08-01T10:46:11 < Laurenceb__> beaglebone is failing hard
2014-08-01T10:46:15 < Laurenceb__> true
2014-08-01T10:46:16 < jadew> dongs, I know
2014-08-01T10:46:25 < Laurenceb__> ive been trolled by a polished turd
2014-08-01T10:46:26 < jadew> do they have a trial version or something?
2014-08-01T10:47:02 < jadew> is it part of Keil?
2014-08-01T10:49:42 < dongs> jadew: https://www.keil.com/arm/demo/eval/arm.htm
2014-08-01T10:49:44 < dongs> 32k limited
2014-08-01T10:49:51 < dongs> if your device is <= 32k flash, then you dont evne care.
2014-08-01T10:50:43 < jadew> how much does it cost to buy?
2014-08-01T10:51:07 < dongs> 3-5k depending on standard/pro
2014-08-01T10:51:14 < jadew> oh
2014-08-01T10:51:25 < jadew> ok... so no reason to evaluate hehe
2014-08-01T10:51:43 < jadew> that's a bit out of my budget
2014-08-01T10:51:45 < dongs> you could use it to build single .c source files and look at asm output
2014-08-01T10:51:48 < dongs> to see how much gcc sucks.
2014-08-01T10:52:02 < jadew> was planning to do that
2014-08-01T10:52:15 < jadew> but they ask me to fill in that form
2014-08-01T10:52:32 < jadew> I suppose there's going to be a person sending me that link, right?
2014-08-01T10:52:40 < dongs> no
2014-08-01T10:53:30 < dongs> http://www.keil.com/fid/1y6oaywlgtwj1wy29p11udx0w1lvr1a99ijw11/files/eval/mdk511a.exe
2014-08-01T10:53:56 < jadew> thanks
2014-08-01T10:54:33 < dongs> and http://www.keil.com/download/files/mdkcm511a.exe
2014-08-01T10:54:37 < dongs> for cortex-m stuff
2014-08-01T10:54:48 < jadew> ah ha!
2014-08-01T10:54:51 < jadew> that's the one I need
2014-08-01T10:55:02 < dongs> well
2014-08-01T10:55:05 < dongs> you need both
2014-08-01T10:55:13 < dongs> the 2nd one is not strictly necesasry if you arent going to be flashing from it
2014-08-01T10:55:20 < dongs> cuz that has shit like device definition files etc
2014-08-01T10:55:30 < dongs> basically platform specific shit.
2014-08-01T10:55:31 < jadew> ah, I see
2014-08-01T10:55:42 < dongs> if yuo just bring in your own stderiph/headers/incldues, then you dont need it
2014-08-01T10:55:56 < jadew> got it
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2014-08-01T12:14:18 < madis_> is that what you get when you install the "packs" ? (over mdk511a.exe)
2014-08-01T12:21:39 < madis_> http://www.element14.com/community/docs/DOC-41791/l/arm-the-keil-mdk-arm-microcontroller-development-kit
2014-08-01T12:21:45 < madis_> can't see the difference
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2014-08-01T12:22:24 < madis_> anchored link: http://www.element14.com/community/docs/DOC-41791/l/arm-the-keil-mdk-arm-microcontroller-development-kit#anchor2
2014-08-01T12:22:26 < dongs> pro vs the rest just has all the useless middleware shit
2014-08-01T12:22:57 < dongs> and  then cpu support, cortex Mx vs some older/useless arm7/9 shit
2014-08-01T12:24:17 < zyp> dongs, pal said he paid the wire transfer thing now, so you should have the money in a couple of days
2014-08-01T12:24:24 < dongs> ok
2014-08-01T12:24:28 < dongs> and i /noticed you ems
2014-08-01T12:24:29 < dongs> wiht stuff
2014-08-01T12:24:33 < dongs> will poke them for invoice next week
2014-08-01T12:24:35 < zyp> yeah, I saw
2014-08-01T12:24:35 < dongs> for pcb+pcba
2014-08-01T12:24:38 < zyp> ok
2014-08-01T12:24:47 < dongs> they already billed me for it for some reason so i told them to fuck off and fix it next week
2014-08-01T12:25:01 < madis_> "Availability: Replaced by RoHS Product"
2014-08-01T12:25:16 < madis_> don't you hate it when your software is non-RoHS
2014-08-01T12:25:18 < dongs> zyp, do you want to do the wires shit again?
2014-08-01T12:25:40 < zyp> ah, right
2014-08-01T12:26:16 < jpa-> madis_: explains why it is so heavy
2014-08-01T12:26:17 < zyp> yeah, I'm almost out
2014-08-01T12:27:17 < zyp> only need 500 this time though
2014-08-01T12:27:24 < dongs> wasnt it 5oo last time?
2014-08-01T12:27:26 < dongs> or was it 1k
2014-08-01T12:27:40 < zyp> was 500+500 last time, half shipped to another guy
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2014-08-01T16:53:21 < jadew> is it normal for an unconditional branch instruction to take 4 cycles?
2014-08-01T16:54:59 < zyp> measured how?
2014-08-01T16:55:14 < jadew> on the scope
2014-08-01T16:55:30 < zyp> how?
2014-08-01T16:56:00 < jadew> http://pastebin.com/cD2VFtVF
2014-08-01T16:56:26 < jadew> the output on BSRRL happens in 1 cycle each time
2014-08-01T16:56:34 < jadew> after that, the branch takes 4
2014-08-01T16:56:38 < zyp> and you're running this on which chip?
2014-08-01T16:56:48 < jadew> F407
2014-08-01T16:57:25 < zyp> which speed? how many flash wait states? instruction cache enabled?
2014-08-01T16:57:38 < jadew> 0 flash wait state, instruction cache enabled
2014-08-01T16:57:47 < jadew> 8 MHz
2014-08-01T16:58:01 < jadew> (fed directly from the HSE)
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2014-08-01T17:03:39 < jadew> http://dumb.ro/files/timing.png
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2014-08-01T17:04:19 < jadew> am I doing something wrong or is this usual?
2014-08-01T17:05:41 < karlp> I know it's asm volatile, but is it actually compiled to what you think it is?
2014-08-01T17:05:52 < jadew> karlp, yep, I checked
2014-08-01T17:06:31 < jadew> the only thing between the last strht and the first one is the branch instruction
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2014-08-01T17:10:43 < jadew> the instruction set says it will take 1 cycler + P
2014-08-01T17:10:54 < jadew> where P is the pipeline refill - what's that?
2014-08-01T17:11:31 < jadew> is that the instruction buffer that the core is executing?
2014-08-01T17:16:19 < scrts_w> meanwhile in soviet russia: http://gs.delfi.lt/images/pix/kaip-rusu-paaugliai-gelbejasi-nuo-karscio-65453194.jpg http://g1.dcdn.lt/images/pix/kaip-rusu-paaugliai-gelbejasi-nuo-karscio-65453210.jpg
2014-08-01T17:19:13 < jadew> fancy pool
2014-08-01T17:20:39 < MrMobius> isnt lt latvia?
2014-08-01T17:21:38 < scrts_w> lv is Latvia, while lt is Lithuania
2014-08-01T17:21:50 < scrts_w> this was published on the news page in Lithuania
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2014-08-01T17:24:33 < dongs> lt?
2014-08-01T17:24:39 < dongs> o
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2014-08-01T17:24:59 < superbia> b o n e r
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2014-08-01T17:25:10 < dongs> --funroll-boners
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2014-08-01T17:45:38 < superbia> -+ http://www.youtube.com/watch?v=MO_3s6fLrgg&feature=youtu.be&t=8m50s
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2014-08-01T17:46:16 < dongs> wat
2014-08-01T17:47:08 < superbia> what happens when rubber breaks
2014-08-01T17:48:11 < emeb_mac> I was driving past a mobile crane on the freeway last year when it blew a tire right across my hood. exciting!
2014-08-01T17:48:52 < emeb_mac> sadly, no dash cam.
2014-08-01T17:48:58 < superbia> how did ur pants/undies take it ?
2014-08-01T17:49:30 < emeb_mac> unsoiled, fortunately
2014-08-01T17:49:53 < superbia> --good-news
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2014-08-01T18:00:13 < Laurenceb_> lol beaglebone
2014-08-01T18:00:16 < Laurenceb_> so much fail
2014-08-01T18:00:25 < Laurenceb_> eMMC is always on
2014-08-01T18:01:26 < Steffanx> You are too much fail to choose something that isn't the right tool for the job.
2014-08-01T18:02:52 < Steffanx>  /to/because you/
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2014-08-01T18:15:27 < jadew> here's something interesting, you can't set any of the ACR functions together, you have to set them one by one otherwise it FLASH_ACR becomes 0
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2014-08-01T18:16:31 < superbia> i ignored the ad in your name... i need to stop drugs
2014-08-01T18:17:32 < jadew> the best part is that the datasheet fails to mention it (at least anywhere nowhere where I read about that stuff)
2014-08-01T18:17:50 < jadew> superbia, I get that a lot
2014-08-01T18:18:08 < jadew> *anywhere near
2014-08-01T18:18:19 < gxti> too much drugs... or not enough?
2014-08-01T18:18:39 < superbia> need to consult with dongs on that matter
2014-08-01T18:20:21 < jadew> I have to say that so far, the most annoying thing working with STM32 is the stupid datasheet
2014-08-01T18:20:52 < superbia> they updated sth not 2 long ago
2014-08-01T18:20:53 < jadew> you have to jumb between registers and crap text mixed with tables, to get at those tables
2014-08-01T18:21:01 < jadew> *jump
2014-08-01T18:21:41 < jadew> you click on the register, figure out the section, go back to the description and look for the table containing the meaning of the possible values - RETARDED
2014-08-01T18:22:16 < jadew> not to mention that the function of each bit should be explained properly in the registers section, with mentions regarding constraints and all that
2014-08-01T18:23:25 < jadew> instead you have to read and re-read tons of bullshit you don't care about, just to make sure you don't miss that one 4 words sentence that completly changes the behavior of whatever you're trying to do
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2014-08-01T18:41:16 < madis_> why is the tire smoking ?
2014-08-01T18:42:21 < jadew> madis_, maybe that's what caused the accident
2014-08-01T18:42:48 < madis_> might be friction caused the rubber to melt.
2014-08-01T18:42:48 < jadew> could have been blown for a while and got dragged around until it came off
2014-08-01T18:43:39 < madis_> maybe a jammed bearing
2014-08-01T18:43:45 < jadew> I had a tire blow up at 180 km/h and it was smoking
2014-08-01T18:43:46 < madis_> and a red hot rim.
2014-08-01T18:44:05 < madis_> I think that's a common problem on multi-axle vehicles.
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2014-08-01T23:56:52 < superbia> http://www.youtube.com/watch?v=iBw618geqyI&list=UUp68_FLety0O-n9QU6phsgw
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--- Day changed Sat Aug 02 2014
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2014-08-02T00:01:37 < GargantuaSauce_> thats definitely my favourite thing he did
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2014-08-02T02:56:43 < Thorn> http://electronics.stackexchange.com/questions/123703/which-of-these-marks-signifies-pin-1-on-the-stm32f-lqfp64
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2014-08-02T03:08:48 < synic> Thorn: your question?
2014-08-02T03:08:51 < upgrdman> that pissed me off too when i designed my first stm32 board
2014-08-02T03:09:04 < upgrdman> and yes, it's the more spherical dot that marks pin 1
2014-08-02T03:09:14 < synic> the concave one on the bottom left?
2014-08-02T03:09:26 < upgrdman> for the f0 at least, yes, the one that is more "3D"
2014-08-02T03:09:52 < synic> groovy.  I've just been using the tssop-20 chips which don't have this situation, but i did buy some larger packages
2014-08-02T03:10:33 < upgrdman> also, wtf do they laser their text on the chip so if pin1 is top-left, the text is rotated...
2014-08-02T03:10:47 < Thorn> this question has been asked here more than once
2014-08-02T03:11:05 < synic> is there a good explanation for having two dots?
2014-08-02T03:11:23 < upgrdman> i've been told the other is for molding purposed
2014-08-02T03:42:46 < gxti> it's definitely some kind of molding artifact, but why they don't just use that as the pin 1 marker and avoid all the confusion is beyond me
2014-08-02T03:46:16 < qyx__> hm, f401 @ 84MHz + wfi draws about 7.5mA
2014-08-02T03:46:24 < qyx__> @21MHz it is like 4.4mA
2014-08-02T03:46:30 < qyx__> pretty low
2014-08-02T03:46:53 < qyx__> although ~100% idle
2014-08-02T03:47:19 < qyx__> with just 4kHz systick
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2014-08-02T07:31:29 < jadew> how come some peripherals' clock can be enabled both from an AHB registers and from an APB register?
2014-08-02T07:31:36 < jadew> are they tied to multiple buses?
2014-08-02T07:31:56 < jadew> and if so, what happens if you enable them in both places?
2014-08-02T07:32:25 < emeb_mac> huh?
2014-08-02T07:32:34 < emeb_mac> which peripherals do that?
2014-08-02T07:33:14 < jadew> for example, on f407 - RCC->AHB3, there's UART5, 4, 3 and 2
2014-08-02T07:33:28 < jadew> and you can also enable them from RCC->APB1
2014-08-02T07:34:23 < jadew> add ENR at the end of both registers
2014-08-02T07:34:31 < jadew> so what goes on in there?
2014-08-02T07:34:54 < jadew> do you get to chose which bus to use?
2014-08-02T07:35:19 < jadew>  lol
2014-08-02T07:35:21 < jadew> scratch that
2014-08-02T07:35:42 < jadew> the description for AHB3ENR was so short I completely missed it
2014-08-02T07:35:53 < jadew> so I was reading the APB1ENR register (which was following it)
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2014-08-02T07:36:09 < jadew> then I was clicking on APB1ENR in the bookmarks and ending up on the same page [:facepalm:]
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2014-08-02T07:41:24 < emeb_mac> derp
2014-08-02T07:42:35 < jadew> I spent 20 minutes trying to make sense of that hehe
2014-08-02T07:43:16 < GargantuaSauce_> wait there's an AHB3??
2014-08-02T07:43:43 < GargantuaSauce_> oh for fsmc, durr
2014-08-02T08:00:18 < upgrdman> dongs: http://dongiverse.com/
2014-08-02T08:02:27 -!- timemob [~dongs@l212168.ppp.asahi-net.or.jp] has joined ##stm32
2014-08-02T08:03:00 < timemob> https://www.kickstarter.com/projects/2030001355/locomotive-audio-handmade-analog-audio-recording-e?ref=category
2014-08-02T08:03:02 < timemob> lok
2014-08-02T08:05:32 < GargantuaSauce_> >competitive priced gear without sacrifice in quality or integrity.
2014-08-02T08:05:33 < GargantuaSauce_> >The 286A can play nice by acting clean and natural with gentle even-order harmonics for a smooth, sweet touch.
2014-08-02T08:06:36 < GargantuaSauce_> ahaha and it's $1700
2014-08-02T08:06:38 < GargantuaSauce_> awesome
2014-08-02T08:07:43 < timemob> thd 1%
2014-08-02T08:09:23 < GargantuaSauce_> seems rather low
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2014-08-02T08:12:47 < emeb_mac> audiophool again
2014-08-02T08:13:54 < timemob> smooth sweet touch bro
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2014-08-02T08:20:39 < emeb_mac> wider soundstage
2014-08-02T08:20:43 < emeb_mac> more definition
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2014-08-02T08:43:18 < timemob> https://www.kickstarter.com/projects/620001568/jackpair-safeguard-your-phone-conversation/description
2014-08-02T08:44:55 < emeb_mac> so bogus
2014-08-02T08:45:41 < dongs> but it uses f4!
2014-08-02T08:46:35 < emeb_mac> haha
2014-08-02T09:02:15 < jadew> man... st sucks
2014-08-02T09:02:22 < jadew> they freaking lie in the datasheets
2014-08-02T09:02:34 < jadew> synchronous USART my ass
2014-08-02T09:03:30 < jadew> how the hell could they put that into a chip?
2014-08-02T09:03:49 < jadew> it's basically a broken peripheral
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2014-08-02T09:06:12 < dongs> wat now
2014-08-02T09:06:39 < jadew> 1) doesn't work as slave. 2) doesn't as master either! because a) It can't receive from a slave (because nobody else is implementing the retarded USART protocol). b) it doesn't send all the clock cycles needed for proper synchronous TX.
2014-08-02T09:09:53 < GargantuaSauce_> remind us why you're not using an spi periph?
2014-08-02T09:10:14 < jadew> because SPI is not async
2014-08-02T09:10:21 < jadew> USART is async with a synchronous clock
2014-08-02T09:10:53 < jadew> of course not on this chip, on this chip is something else, unseen before
2014-08-02T09:11:52 < jadew> the "synchronous" clock goes out only during TX (LOL!) and it doesn't even tick on the start and stop bits - HOW THE HELL IS A RECEIVER SUPPOSED TO USE THIS DATA?
2014-08-02T09:13:04 < GargantuaSauce_> the ref manual says explicitly that it's used for unidirectional comms in synchronous mode
2014-08-02T09:13:17 < jadew> no, it doesn't
2014-08-02T09:13:33 < jadew> it says that it receives on the clock edge
2014-08-02T09:13:40 < jadew> based on CPOL and CPHA
2014-08-02T09:13:50 < jadew> tbh, I think they just reused the SPI module
2014-08-02T09:13:57 < GargantuaSauce_> It supports synchronous one-way communication and half-duplex single wire communication
2014-08-02T09:14:01 < jadew> and couldn't do it properly
2014-08-02T09:14:10 < GargantuaSauce_> it sounds like you want to use two periphs, one for rx and one for tx
2014-08-02T09:14:42 < jadew> GargantuaSauce_, it can't do RX
2014-08-02T09:14:51 < jadew> it only works as a master
2014-08-02T09:14:53 < GargantuaSauce_> use an spi for rx
2014-08-02T09:14:56 < jadew> I can't
2014-08-02T09:15:02 < GargantuaSauce_> well then you're doing it wrong
2014-08-02T09:15:05 < jadew> because this chip needs to give the clock
2014-08-02T09:15:15 < jadew> no, this chip has a broken USART
2014-08-02T09:15:20 < jadew> it's not USART
2014-08-02T09:15:32 < jadew> it's just UART + some petty attempt at making it synchronous
2014-08-02T09:16:33 < jadew> synchronous USART mean you have a clock continously running and everything else is the same, you just set/sample on some edge of the clock - not really a big deal
2014-08-02T09:16:35 < GargantuaSauce_> you want the application chip to provide the clock its communication to the stm32 right
2014-08-02T09:17:13 < jadew> the stm32 is the main thing and I want it to output the USART clock so the other chip can use that clock to send data back to this chip (stm32)
2014-08-02T09:17:32 < GargantuaSauce_> so use spi and put it in master mode
2014-08-02T09:17:44 < jadew> spi is not async
2014-08-02T09:17:50 < jadew> you send a byte, you get a byte
2014-08-02T09:18:57 < GargantuaSauce_> what ic are you communicating with
2014-08-02T09:19:01 < jadew> USART doesn't have this kind of restriction (except on this chip)
2014-08-02T09:19:14 < jadew> GargantuaSauce_, an atmel coretx-m4
2014-08-02T09:19:22 < jadew> which btw, has proper synchronous USART
2014-08-02T09:20:57 < jadew> this is pissing me off so bad, because it didn't cross my mind that I'll stumble into this issue and I based my design on the fact that it has freaking synchronous usart
2014-08-02T09:21:22 < GargantuaSauce_> so your firmware is running on the atmel?
2014-08-02T09:21:38 < jadew> which firmware?
2014-08-02T09:21:44 < jadew> that one has a different job
2014-08-02T09:26:06 < GargantuaSauce_> i dunno man. the behaviour you're losing your shit over being so obtuse is made pretty explicit in the reference manual
2014-08-02T09:26:42 < jadew> GargantuaSauce_, I know it's explicit, I read it
2014-08-02T09:26:49 < jadew> the issue is that I didn't expect it to be broken
2014-08-02T09:27:12 < jadew> I read the datasheet first, say synchronous USART, saw the specs, figured "OK!"
2014-08-02T09:27:41 < jadew> now several days later into getting familiar with the chip, I stop on that peripheral just to figure out it's not what I need
2014-08-02T09:28:09 < jadew> instead it's a piece of garbage that has nothing to do with synchronous USART, or USART of any kind for that matter, not in this mode anyway
2014-08-02T09:28:53 < jadew> posibly rendering the entire series of chips useless for my project, meaing I spent a lot of time getting familiar with something that can't do the job
2014-08-02T09:29:27 < jadew> because ST can't tell the truth in the datasheet - which is that it can't do synchronous serial
2014-08-02T09:40:36 < GargantuaSauce_> use a timer for the clock if you have to
2014-08-02T09:41:02 < jadew> I checked, I can't
2014-08-02T09:41:11 < GargantuaSauce_> why?
2014-08-02T09:41:15 < jadew> not using the same type of prescaler
2014-08-02T09:41:25 < jadew> the USART one is much more accurate
2014-08-02T09:41:48 < jadew> so I can't generate the same clock
2014-08-02T09:42:32 < GargantuaSauce_> and the firmware on the other processor is immutable?
2014-08-02T09:43:00 < jadew> no, why?
2014-08-02T09:44:14 < GargantuaSauce_> does it have 2 free spi peripherals?
2014-08-02T09:44:32 < jadew> |P"
2014-08-02T09:44:34 < jadew> {">[
2014-08-02T09:44:40 < dongs> sup innovators
2014-08-02T09:44:54 < GargantuaSauce_> you can just make each processor the master for its own tx...assuming you're absolutely set on async transmissions
2014-08-02T09:44:58 < jadew> yjs67yf sorry, kid on io0ioou nth fb hjy
2014-08-02T09:45:58 < dongs> lol @ failing sync usart
2014-08-02T09:46:06 < dongs> now you can rant in #atmel
2014-08-02T09:46:14 < dongs> about how sam-cortex shit suck
2014-08-02T09:46:52 < jadew> GargantuaSauce_, sorry, yeah thoght about that, but wouldn't work for other reasons, I kinda looked at this FreezingColdQ1 vZ
2014-08-02T09:47:59 < jadew> from all angles
2014-08-02T09:50:01 < GargantuaSauce_> i dont even think a usart usually works the way you say
2014-08-02T09:50:01 < GargantuaSauce_> all the sources i've found say the master needs to constantly transmit a fill byte anyway
2014-08-02T09:50:01 < GargantuaSauce_> which is in line with the stm32's behaviour
2014-08-02T09:50:29 < GargantuaSauce_> so i think this just boils down to you're used to the atmel's behaviour and are blaming the stm32 for being different from your assumptions?
2014-08-02T09:50:40 < GargantuaSauce_> but that's my stm32 bias speaking
2014-08-02T09:50:43 < jadew> yes, it does that by constantly outputting the clock
2014-08-02T09:50:56 < jadew> you don't need to actively send anything
2014-08-02T09:51:28 < jadew> also, keep in mind that it doesn't clock the start and stop bits on TX
2014-08-02T09:51:39 < jadew> so you can't really receive whatever is this chip sending
2014-08-02T09:51:44 < jadew> not with a standard USART receiver
2014-08-02T09:52:13 < jadew> because if it's in synchronous mode, it expects to sample those start and stop bits on some clock edges
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2014-08-02T09:53:25 < jadew> for the record, I haven't used ANY arm chip before this one, so there's really no bias regarding this
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2014-08-02T09:55:07 < jadew> I was expecting a bit more power to be honest and was dissapointed to find out that's not the case, but other than that, I just expect peripherals to work as advertised
2014-08-02T09:55:31 < jadew> and I'm pissed off because I wrote a lot of code which is now useless
2014-08-02T09:56:13 < GargantuaSauce_> well switch to spi and just have one device poll the other
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2014-08-02T09:56:24 < GargantuaSauce_> will probably end up being a simpler implementation anyway
2014-08-02T09:58:27 < jadew> the specs are super tight, so pooling won't work, I'm gonna keep looking for options before I give up tho
2014-08-02T10:03:03 < rewolff> I agree with jadew: All other "synchronous" protocols from "USART" modules simply ALWAYS output a bit, every clock. If there is no data to send, they send a "filler byte", which the receiver should use for clock recovery and synchronization.
2014-08-02T10:04:06 < rewolff> http://en.wikipedia.org/wiki/Synchronous_serial_communication
2014-08-02T10:04:25 < rewolff> And note: "No start or stop bits are required" ....
2014-08-02T10:05:47 < rewolff> It looks as if the ST engineers made an UART, were asked to add "synchronous mode" and did so without doing any external research as to what others mean with "synchronous" in the "uart" context....
2014-08-02T10:05:48 < jadew> rewolff, yeah, saw that, kinda weird
2014-08-02T10:06:32 < rewolff> (with the ST module sending start and stop bits, it does not do "synchronous" according to the wiki definition....
2014-08-02T10:06:34 < rewolff> )
2014-08-02T10:07:32 < jadew> rewolff, I was expecting them to still be sent
2014-08-02T10:07:52 < jadew> how else would a receiver know when the byte starts?
2014-08-02T10:09:12 < rewolff> Because the "idle character" is not "0xff" or "0x00", you synchronize when you see a sequence of bits that would be a repeating of the sync character...
2014-08-02T10:09:41 < rewolff> And then hopefully you won't lose sync....
2014-08-02T10:10:31 < jadew> what else would the idle character be?
2014-08-02T10:10:31 < rewolff> If my sync character is 0xfe, a long stream of 0xef characters could make a receiver think it's lost sync and resync.
2014-08-02T10:11:54 < jadew> I never saw synchronous UART with idle characters really, but I can't argue agaisnt it
2014-08-02T10:12:05 < jadew> the ones I saw were simply outputting the clock, while everything worked the same
2014-08-02T10:12:14 < jadew> except there was no oversampling, just sampling on the clock
2014-08-02T10:15:27 < rewolff> I just checked the 16650 datasheet thinking I'd find a "generic" synchronous reference there, but the 16650 doesn't do sync.
2014-08-02T10:21:17 < rewolff> I just checked a Microchip USART reference, and they do something entirely different again.
2014-08-02T10:21:58 < rewolff> So I guess we both fell for the same trap: We assumed every other "usart synchronous" mode would be the same as the first one we encountered......
2014-08-02T10:22:02 < jadew> heh
2014-08-02T10:22:10 < GargantuaSauce_> i kind of think the inherent contradiction in "synchronous asynchronous" is a hint that the concept might be a bit muddy
2014-08-02T10:22:19 < jadew> what does mcp do?
2014-08-02T10:22:20 < rewolff> No,
2014-08-02T10:22:37 < rewolff> The module was UART (like 16550),
2014-08-02T10:22:45 < rewolff> and then "syncrhonous mode" was added.
2014-08-02T10:23:28 < rewolff> So calling the module "uart" is no longer valid, and so you add the "S": "Universal Synchronous or Asynchronous ... "
2014-08-02T10:24:04 < rewolff> The mode that I know is common in "telecom": ATM seems to work that way.
2014-08-02T10:24:37 < rewolff> (and things like DSL and ISDN are based on/derived from that)
2014-08-02T10:25:11 < jadew> see, I think that's part of the problem
2014-08-02T10:25:27 < jadew> "synchronous or asynchronous" vs "synchronous asynchronous"
2014-08-02T10:25:42 < GargantuaSauce_> well the mode you describe is definitely synchronous asynchronous
2014-08-02T10:25:52 < GargantuaSauce_> synchronous bits, asynchronous bytes
2014-08-02T10:25:53 < rewolff> Re: MCP: I don't know. I stopped reading once I figured out it was different from what I know synchronous, it is different from ST's synchronous and different from Atmel's.
2014-08-02T10:25:59 < jadew> if you chose "syncrhonous or asynchronous" means that you can do ANYTHING you want with the synchronous side
2014-08-02T10:26:14 < jadew> while "synchronous asynchronous" would simply mean a clock on top of the standard UART
2014-08-02T10:26:26 < rewolff> Yeah, that's what ST does.
2014-08-02T10:26:37 < rewolff> Except that they don't clock the start and stop bits.
2014-08-02T10:27:16 < jadew> and they don't constantly send the clock out
2014-08-02T10:27:24 < jadew> which is required for synchronous asynchronous
2014-08-02T10:27:34 < rewolff> Nah...
2014-08-02T10:28:07 < rewolff> If you start out with async.... you have to "recover" the clock by clocking the module at 16x the bit rate.
2014-08-02T10:28:12 < jadew> if they don't then the slave can't send data whenever it feels like it
2014-08-02T10:28:32 < jadew> rewolff, yes
2014-08-02T10:28:37 < rewolff> Once you get a falling edge (start of start bit), you count to 7, sample at clock 7,8, and 9 and do a majority vote for the bit-value.
2014-08-02T10:29:26 < rewolff> Then you can make things slightly easier for the receiver by sending out the clock....
2014-08-02T10:29:42 < rewolff> So that makes it synchronous-asynchronous.
2014-08-02T10:29:50 < jadew> no, that makes it synchronous
2014-08-02T10:29:55 < rewolff> Hmm. ok. solution:
2014-08-02T10:30:13 < rewolff> Send out filler bytes to allow the slave to send data when it feels like it.
2014-08-02T10:30:26 < jadew> asynchronous would mean that the clock goes out continously so the slave can send data on the same clock (synchronous) but regardless if the master is sending anything
2014-08-02T10:30:33 < rewolff> That's what I though "syncrhonous" meant anyway. :-)
2014-08-02T10:30:57 < jadew> rewolff, the only reason I'm using another chip, is because I don't wnat to waste more CPU time than actually putting a byte in the data register
2014-08-02T10:31:36 < jadew> there has to be an official standard, no?
2014-08-02T10:31:47 < GargantuaSauce_> hahahaha
2014-08-02T10:31:50 < rewolff> On the ST you can setup a circular DMA to say a 32-byte buffer that you fill with the filler byte.
2014-08-02T10:31:53 < GargantuaSauce_> standards.
2014-08-02T10:31:59 < jadew> heh
2014-08-02T10:32:12 < rewolff> Yes, Standards are great. The fun is there are so many to chose from!
2014-08-02T10:32:19 < GargantuaSauce_> there's like 4-5 significantly different operating modes for spi
2014-08-02T10:32:35 < GargantuaSauce_> and being strictly synchronous it's notably simpler than what you're describing
2014-08-02T10:34:24 < jadew> what modes?
2014-08-02T10:34:58 < jadew> SPI has only 4 modes and they relate to clock phase and polarity
2014-08-02T10:35:37 < jadew> and there's no way to send something from the slave if the master isn't sending something too
2014-08-02T10:35:54 < jadew> (much like the ST USART
2014-08-02T10:35:55 < jadew> )
2014-08-02T10:36:01 < jadew> actually, just like the ST USART
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2014-08-02T10:37:16 < GargantuaSauce_> there's also TI mode vs not ti mode, which i guess is how long the SS pin is held low?
2014-08-02T10:37:45 < jadew> never heard of that, what does TI stands for?
2014-08-02T10:38:29 < GargantuaSauce_> texas instruments
2014-08-02T10:38:36 < GargantuaSauce_> the alternative is motorola mode i guess
2014-08-02T10:38:40 < GargantuaSauce_> two differing conventions
2014-08-02T10:38:55 < jadew> weird
2014-08-02T10:39:02 < jadew> I don't believe it has to do with SS
2014-08-02T10:39:11 < jadew> as SS is an arbitrary output
2014-08-02T10:39:48 < GargantuaSauce_> i cant remember the details and just glanced at a timing diagram
2014-08-02T10:40:10 < jadew> give me a sec, I'm searching for that as well
2014-08-02T10:41:00 < GargantuaSauce_> maybe they're just specific combinations of cpol and cpa? i dunno
2014-08-02T10:41:09 < jadew> there's only 4
2014-08-02T10:42:29 < jadew> can't find anything about what this TI mode is altho it seems to be referenced for the slave mode configuration
2014-08-02T10:42:54 < dongs> http://www.ebay.com/itm/121398473850 impress
2014-08-02T10:46:25 < GargantuaSauce_> yeah it looks like the difference is SS is held low for the duration of a communication in motorola mode, whereas in TI a high-low transition indicates the start of a frame
2014-08-02T10:46:39 < GargantuaSauce_> also the bit order is another variable
2014-08-02T10:47:24 < jadew> that's interesting
2014-08-02T10:47:49 < GargantuaSauce_> anyway yeah so there's lots of variability in these protocols
2014-08-02T10:48:02 < jadew> so how do you signal the stop of the frame?
2014-08-02T10:48:14 < GargantuaSauce_> by clocking out 8/16 bits
2014-08-02T10:48:46 < GargantuaSauce_> also to go back to your implementation, have you tried just using totally asynchronous comms?
2014-08-02T10:49:17 < jadew> can't, the system clock of the main chip is changing a lot
2014-08-02T10:49:20 < GargantuaSauce_> if the two devices share a clock source i bet that'll work just fine (and maybe even if they don't)
2014-08-02T10:49:21 < GargantuaSauce_> ah.
2014-08-02T10:50:03 < jadew> that's the sole reason why that one had to be the master and why it had to be synchronous
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2014-08-02T11:00:35 < dongs> is sdio master only?
2014-08-02T11:01:20 < jadew> don't know the protocol
2014-08-02T11:01:33 < dongs> seems so
2014-08-02T11:01:34 < jadew> and din't get to look into it
2014-08-02T11:02:10 < dongs> canbus?
2014-08-02T11:02:26 < jadew> how fast is it?
2014-08-02T11:02:30 < GargantuaSauce_> isnt canbus just a uart
2014-08-02T11:02:47 < jadew> with addresses and things like that I belive
2014-08-02T11:02:51 < jadew> *believe
2014-08-02T11:03:07 < dongs> highspeed is like10mbps?
2014-08-02T11:03:09 < dongs> or somethin i duno
2014-08-02T11:03:38 < dongs> maybe im off by factor of 10
2014-08-02T11:03:41 < dongs> seems 1mbit
2014-08-02T11:04:27 < GargantuaSauce_> also i dont think you ever addressed my suggestion of each device being an SPI master for tx and a slave for rx
2014-08-02T11:04:41 < GargantuaSauce_> needs two peripherals on both devices but kind of sucks but covers the synchronous asynchronous thing well
2014-08-02T11:04:55 < GargantuaSauce_> s/but/and/
2014-08-02T11:05:18 < GargantuaSauce_> er 'thus'
2014-08-02T11:05:21 < GargantuaSauce_> its 5 am and i cant word
2014-08-02T11:05:34 < jadew> GargantuaSauce_, having different system clocks, the slow one might not be able to keep up
2014-08-02T11:05:55 < jadew> I believe it the APB clock has to be 3x the incomming SPI clock
2014-08-02T11:07:31 < dongs> sounds like youre creating problems for yourself
2014-08-02T11:07:41 < GargantuaSauce_> well one of these cornucopia of constraints is going to have to be ditched
2014-08-02T11:07:43 < GargantuaSauce_> hell
2014-08-02T11:07:53 < GargantuaSauce_> use a 2 port sram and fsmc
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2014-08-02T11:08:01 < dongs> yeah i was gonna suggest fsmc haha
2014-08-02T11:08:07 < dongs> then i thought, thats pretty retarded.
2014-08-02T11:08:15 < jadew> I already made several compromises to get here
2014-08-02T11:08:25 < dongs> have you thought about installing lunix?
2014-08-02T11:08:51 < jadew> an OS?
2014-08-02T11:08:53 < GargantuaSauce_> how about using uart and reconfiguring its scaler every time you change the core clock?
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2014-08-02T11:09:07 < dongs> he can do that already.
2014-08-02T11:09:10 < dongs> but receiver wouldnt know it.
2014-08-02T11:09:25 < dongs> oh, i see. so baudrate stays constant?
2014-08-02T11:09:29 < GargantuaSauce_> i mean so the baudrate is constant yeah
2014-08-02T11:09:39 < GargantuaSauce_> as long as you don't do it in the middle of a byte it should work fine
2014-08-02T11:09:41 < jadew> can't happen
2014-08-02T11:09:46 < dongs> why?
2014-08-02T11:10:06 < jadew> somtimes I need full 10 Mbps, other times my clock is 20 MHz, so I'm forced to use a lower baudrate
2014-08-02T11:10:29 < dongs> this guy starting to sound more and more like jarick
2014-08-02T11:10:33 < jadew> lol
2014-08-02T11:10:42 < dongs> or astonerberg
2014-08-02T11:10:50 < dongs> at this point I think you just need to switch to a lunix-running zync fpga
2014-08-02T11:10:52 < dongs> problem: solved
2014-08-02T11:10:53 < jadew> it's just that I've thought about all of this beforehand
2014-08-02T11:11:16 < dongs> i think your entier concept is flawed
2014-08-02T11:11:21 < dongs> which is why you cant find the solutions
2014-08-02T11:11:32 < jadew> believe me, I thought about the FPGA approach too, but it gets too expensive
2014-08-02T11:11:51 < GargantuaSauce_> so add a gpio to signal fast or slow baudrate
2014-08-02T11:13:16 < GargantuaSauce_> or sleep instead of slowing the clock, and wake up in bursts intead
2014-08-02T11:13:22 < GargantuaSauce_> etc etc
2014-08-02T11:13:54 < jadew> there's a lot more to it, no reason to get into it - I actually thought this through, it needs to be done like this, otherwise it won't work
2014-08-02T11:13:54 < dongs> 10mbps? in MY battery powered device that cares about power consumption differnce between 20 and 72mhz? Less likely than you think
2014-08-02T11:14:01 < GargantuaSauce_> i was going to ask about the application but i think i'll go to bed instead to preserve my insanity
2014-08-02T11:14:34 < dongs> GargantuaSauce_: if you ask about application he'll tell you its patented and proprietary
2014-08-02T11:14:39 < dongs> yet hes on irc asking help about how to make it work
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2014-08-02T11:15:35 < jadew> it's not patented and for the past few hours I haven't been asking for help, just ranting
2014-08-02T11:16:04 < dongs> do you know jarick
2014-08-02T11:16:06 < dongs> aka tim goh
2014-08-02T11:16:18 < jadew> I know the nickname
2014-08-02T11:16:22 < jadew> don't know where I saw it tho
2014-08-02T11:17:17 < dongs> he's quite a pro in everything
2014-08-02T11:17:58 < dongs> he's manufaacturing millions of units of hardware devices a month, he's got 100s of FPGA projects that are amazing and patented, he's writing thousands of lines of code per day of proprietary amazing patented algorithms, etc
2014-08-02T11:18:04 < dongs> all that while attending some shitty community college in UK
2014-08-02T11:18:24 < jadew> hehe
2014-08-02T11:18:55 < dongs> jadew: so wahts your application.
2014-08-02T11:19:20 < jadew> well, I'd like to keep that secret for now, planning to sell it
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2014-08-02T11:19:31 < jadew> so I'll let you know in a few months
2014-08-02T11:19:43 < dongs> just paste dickstarter url
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2014-08-02T11:20:02 < jadew> doesn't have one
2014-08-02T11:22:32 < jadew> and for the record, I'm a STM32 noob, in case you're comparing me to jarick
2014-08-02T11:23:00 < dongs> jarick is just a professional troll.
2014-08-02T11:23:04 < GargantuaSauce_> so
2014-08-02T11:23:05 < dongs> which is kinda  what im comparing you to
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2014-08-02T11:23:19 < GargantuaSauce_> signalling failing when one processor is way slow is a non-issue
2014-08-02T11:23:22 < jadew> but I'm not trolling :/
2014-08-02T11:23:24 < GargantuaSauce_> for either uart or dual spi
2014-08-02T11:23:49 < GargantuaSauce_> use a gpio to signal 'go slow please' or, you know, use the signalling to communicate a state transfer
2014-08-02T11:24:07 < GargantuaSauce_> ignoring that possibility is detracting from the whole "i've thought this all through" deal
2014-08-02T11:24:30 < GargantuaSauce_> there are a lot of options
2014-08-02T11:24:56 < jadew> GargantuaSauce_, I'm not ignoring it, it would work, but not as great as I was hoping it would
2014-08-02T11:26:06 < jadew> thanks tho, I'm gonna stop talking otherwise I'll be accused of trolling
2014-08-02T11:32:20 < dongs> jadew: just a protip, after have examined thousands of dickstarter projects that made millions
2014-08-02T11:32:27 < dongs> jadew: you are making shit thats way too complicated
2014-08-02T11:32:44 < dongs> if you're after a quick cash grab, just make something involving arduino and/or raspberrypi
2014-08-02T11:34:58 < jadew> not after quick cash, it's just an older project of mine that I want to improve and eventually sell, but I agree arduino & co seem to be what's selling these days
2014-08-02T11:35:02 < jadew> not my cup of tea tho
2014-08-02T11:36:56  * jadew never used an arduino
2014-08-02T11:37:04 < dongs> you dont need to.
2014-08-02T11:37:06 < jadew> or a rpi for that matter
2014-08-02T11:37:13 < jadew> I know, I think they're stupid
2014-08-02T11:37:14 < dongs> all you need to od is sell it.
2014-08-02T11:37:18 < jadew> hehe
2014-08-02T11:37:20 < jadew> good point
2014-08-02T11:38:03 < jadew> I saw a lot of kickstart projects that baffeled me
2014-08-02T11:38:19 < jadew> people were throwing money on what was basically a breakout board for some avr chip
2014-08-02T11:38:37 < jadew> just because it has "arduino" in the title
2014-08-02T11:38:43 < jadew> *had
2014-08-02T11:39:00 < jadew> "CHECK THIS OUT, TINY ARDUINO!!!"
2014-08-02T11:40:35 < jadew> anyway, I have to go to bed, night
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2014-08-02T14:24:14 < dongs> https://www.kickstarter.com/projects/littlecupwater/worlds-biggest-dick-drawing
2014-08-02T14:27:46 < Thorn> you should sue him for trademark infringement
2014-08-02T14:30:12 < dongs> indeed
2014-08-02T14:30:21 < dongs> i think im g onna  give him $1
2014-08-02T14:30:25 < dongs> and post about it.
2014-08-02T14:36:01 < Sync> lel
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2014-08-02T14:45:02 < Steffanx> WorldsBiggestDickDrawing.com is yours yet, dongs?
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2014-08-02T15:07:26 < dongs> im so fucking HIGH
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2014-08-02T16:10:54 < Laurenceb__> attn dongs
2014-08-02T16:10:55 < Laurenceb__> http://hackadaycom.files.wordpress.com/2014/08/schema.png?w=580&h=326
2014-08-02T16:12:09 < dongs> kept looking for "raspberry pi" tag
2014-08-02T16:12:11 < dongs> finally found
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2014-08-02T16:12:28 < Laurenceb__> fixed my BBB
2014-08-02T16:12:41 < Laurenceb__> it now has a ton of wire jumpers and pcb fixes :-/
2014-08-02T16:12:53 < Steffanx> Sure it will be highaltitude-proof?
2014-08-02T16:13:03 < Laurenceb__> epoxied it
2014-08-02T16:13:14 < Steffanx> :D
2014-08-02T16:13:46 < Steffanx> When we'll see your project on HaD?
2014-08-02T16:14:06 < Laurenceb__> one day...
2014-08-02T16:14:37 < Steffanx> Great.
2014-08-02T16:14:51 < dongs> my shit was on dickaday already
2014-08-02T16:14:57 < dongs> more than once i think
2014-08-02T16:15:23 < Steffanx> and it didnt even include a tarduino?!
2014-08-02T16:15:50 < dongs> the guy "hacked" my pcb to make it draw less current from his imac
2014-08-02T16:15:53 < dongs> so that was probably the "hack" part.
2014-08-02T16:15:59 < dongs> replacing ISET resistors
2014-08-02T16:19:10 < Laurenceb__> attn dongs   http://en.wikipedia.org/wiki/David_Cameron#Family
2014-08-02T16:19:27 < dongs> tl;dr what am i lokoing for
2014-08-02T16:19:38 < Laurenceb__> kike
2014-08-02T16:19:52 < dongs> isnt prety much everyone in hollywood?
2014-08-02T16:20:04 < Laurenceb__> lolz
2014-08-02T16:20:05 < dongs> oh thats not hollywood guy
2014-08-02T16:20:07 < dongs> no idea then
2014-08-02T16:20:31 < dongs> i thought james cameron the terminator guy.
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2014-08-02T16:33:17 < Posterdati> hi
2014-08-02T16:33:41 < Posterdati> is there anyone usinf nRF51822?
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2014-08-02T16:44:53 < dongs> is that the M0 BLE SOC
2014-08-02T16:44:58 < dongs> i think zyp did something with it
2014-08-02T16:45:05 < dongs> and i bought evalboard, and havent touched since then
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2014-08-02T16:58:50 < zyp> I played around with it a bit at work like half a year ago
2014-08-02T17:02:39 < emeb_mac> any good?
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2014-08-02T17:06:44 < dongs> i only remember him bitching
2014-08-02T17:06:48 < dongs> about closedsores bt stack
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2014-08-02T17:09:31 < dongs> http://rotter.net/User_files/forum/53dcc76c6d2d9103.jpg
2014-08-02T17:09:32 < dongs> lol
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2014-08-02T17:12:08 < Steffanx> someone was bored.
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2014-08-02T17:19:48 < emeb_mac> fun with cortex M3: http://www.filmkorn.org/sensational-a-new-super-8-camera-from-denmark/
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2014-08-02T17:28:38 < dongs> emeb_mac: your secretproj?
2014-08-02T17:29:01 < emeb_mac> haha
2014-08-02T17:29:07 < emeb_mac> no
2014-08-02T17:32:45 < dongs> http://i.imgur.com/UEZH1RG.png mmm curvy
2014-08-02T17:38:46 < dongs> fuck
2014-08-02T17:38:54 < dongs> why the fuck is altium removing vias
2014-08-02T17:38:59 < dongs> that ive placed on purpose
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2014-08-02T17:39:22 < dongs> its loop removal, but why is it doing vias, i placed it there, it means i want to use it!
2014-08-02T17:40:27 < dongs> WTF IT E VEN REMOVED IT IF IT WAS CONNECTED ON ANOTHER LAYER
2014-08-02T17:40:45 < jpa-> maybe they copied that feature from kicad
2014-08-02T17:41:57 < dongs> that was easy
2014-08-02T17:42:04 < dongs> tab + remove loops checkbox unchecked while routing
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2014-08-02T17:58:29 < superbia> ides for your next projects http://www.youtube.com/watch?v=hWNMYk1_79
2014-08-02T17:58:40 < dongs> this video doesnt exist
2014-08-02T17:59:44 < superbia> http://www.youtube.com/watch?v=hWNMYk1_79E
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2014-08-02T18:00:07 < dongs> retweeting
2014-08-02T18:00:52 < dongs> seems fucking useless
2014-08-02T18:01:12 < superbia> u could repurpose it as an alarm clock to wake u up
2014-08-02T18:01:24 < dongs> is that from hackaday
2014-08-02T18:01:29 < superbia> no
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2014-08-02T18:10:07 < slope> hi, I have configured a pin in open -drain mode, do I have to call GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT for a logic "1" level to be set?
2014-08-02T18:15:52 < slope> or do I use GPIO_SetBits(GPIOD,GPIO_Pin_12)?
2014-08-02T18:16:20 < slope> i would like to have input and output at the same time
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2014-08-02T18:20:05 < slope> do I have to use AF?
2014-08-02T18:20:11 < dongs> setbits
2014-08-02T18:20:21 < slope> thank you
2014-08-02T18:20:40 < slope> for I/O at the same time do I use alternate function?
2014-08-02T18:21:01 < dongs> "at the same time"?
2014-08-02T18:21:13 < dongs> AF is if its connected to peripheral of some kind. no AF = GPIO.
2014-08-02T18:21:29 < slope> oh, ok
2014-08-02T18:22:58 < slope> the same time I meant that I will transmit data and receive on the same pin
2014-08-02T18:23:20 < dongs> I believe you can just read GPIO->IDR
2014-08-02T18:23:32 < dongs> without changing it to IN
2014-08-02T18:23:33 < dongs> or whatever
2014-08-02T18:23:40 < slope> really?
2014-08-02T18:23:55 < dongs> you can try. when I did bitbanged I2C, my pins were always OD
2014-08-02T18:24:06 < dongs> and reading  ->IDR worked
2014-08-02T18:24:09 < dongs> for getting pin state.
2014-08-02T18:24:35 < slope> oh yes the i2c
2014-08-02T18:24:53 < slope> did you set as output for i2c?
2014-08-02T18:25:02 < dongs> no, both as OD.
2014-08-02T18:26:04 < dongs> https://github.com/multiwii/baseflight/blob/master/src/drv_i2c_soft.c
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2014-08-02T18:26:53 < dongs> i2cInit configures both as Out_OD.
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2014-08-02T18:28:46 < slope> hmm if I show you this example for using only gpio
2014-08-02T18:28:47 < slope> http://eliaselectronics.com/stm32f4-tutorials/stm32f4-gpio-tutorial/
2014-08-02T18:29:07 < slope> you can set otype
2014-08-02T18:29:13 < slope> and mode
2014-08-02T18:29:20 < slope> these are different things
2014-08-02T18:29:52 < dongs> i wrote my own gpio driver and my target is F1. you';ve already spent more time asking than it would take to just write it and test
2014-08-02T18:30:19 < dongs> set otype_od, mode_out.
2014-08-02T18:30:50 < slope> ok that is the answer :)
2014-08-02T18:31:03 < slope> thank you
2014-08-02T18:31:09 < dongs> that example fucking sucks
2014-08-02T18:31:10 < slope> i will test it right now
2014-08-02T18:31:13 < dongs> why are they using stdlib to configure
2014-08-02T18:31:22 < dongs> and then directly setting BSRR etc.
2014-08-02T18:31:33 < dongs> that doesnt help people who have no fucking idea to understand why or how it works
2014-08-02T18:33:50 < slope> so stdlib not cool? isn't this the official st for writing drivers and so on?
2014-08-02T18:34:26 < dongs> re-read what i  said
2014-08-02T18:34:39 < dongs> if the example starts with stdperiphlib, they should finish wiht it
2014-08-02T18:34:47 < dongs> instead of just using it for init then raw register reads for the rest.
2014-08-02T18:36:10 < slope> you said i can just read the register with GPIO->IDR, how do I do it with stllib?
2014-08-02T18:36:34 < dongs> GPIO_ReadBits or something, look at blah_gpio.h header
2014-08-02T18:37:12 < slope> ok
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2014-08-02T18:40:25 < slope> it says GPIO_ReadInputDataBit()
2014-08-02T18:40:37 < dongs> that.
2014-08-02T18:40:37 < slope> i want to read the whole register not only the bit
2014-08-02T18:40:49 < dongs> then read IDR or whatever. look at the source of what it does on F4.
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2014-08-02T22:12:01 < spline_> hello, i have used this modified code: https://github.com/avishorp/TM1637/blob/master/TM1637Display.cpp for driving tm1637 with stm32f4
2014-08-02T22:12:10 < spline_> but it does not respond
2014-08-02T22:13:23 < fbs> ran a debugger on it?
2014-08-02T22:26:04 < spline_> executing line by line does not help
2014-08-02T22:26:21 < spline_> how do I debug hardware?
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2014-08-02T22:29:49 < fbs> hammer
2014-08-02T22:31:46 < fbs> got a logic analyser?
2014-08-02T22:38:21 < spline_> multimeter?
2014-08-02T22:39:25 < Sync> no
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2014-08-02T22:49:22 < fbs> if its quick enough ;)
2014-08-02T22:49:54 < fbs> do you use hardware or osftware spi?
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2014-08-02T23:42:09 < Abhishek_> spline_: pinmux is okay?
2014-08-02T23:46:04 < Abhishek_> most of the cases the pinmux is where the problem lies
2014-08-02T23:48:02 < spline_> what is pinmux?
2014-08-02T23:49:41 < Abhishek_> I mean, setting the GPIO to an appropriate mode
2014-08-02T23:50:13 < Abhishek_> input, output, push-pull, opendrain etc
2014-08-02T23:50:51 < Abhishek_> there are registers to configure these pins (assuming that you are coming from an AVR/Arduino Background)
2014-08-02T23:54:30 < spline_> it is open-drain
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2014-08-02T23:54:54 < spline_> and I use SetBits() and ResetBits() function
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2014-08-02T23:55:05 < Abhishek_> do you have pullups on those pins?
2014-08-02T23:55:22 < spline_> physical yes
2014-08-02T23:55:37 < spline_> i have 1k resistor pull -up to 5 V
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2014-08-02T23:56:17 < Abhishek_> hmm, did you try push-pull?
2014-08-02T23:56:34 < spline_> no
2014-08-02T23:57:02 < spline_> so open drain + push pull?
2014-08-02T23:57:22 < spline_> what means the frequency for pin?
2014-08-02T23:57:30 < spline_> i am using 2 Mhz
2014-08-02T23:57:32 < spline_> slow mode
2014-08-02T23:57:52 < Abhishek_> you could make it higher, say 25 MHz
2014-08-02T23:58:18 < Abhishek_> oh sorry, that's an I2C chip?
--- Day changed Sun Aug 03 2014
2014-08-03T00:00:37 < spline_> i am using bit banging method for I2C chip
2014-08-03T00:00:52 < spline_> it's tm1637
2014-08-03T00:01:48 < Abhishek_> which function do you use for delay/
2014-08-03T00:03:00 < spline_> implemented ASM
2014-08-03T00:03:16 < spline_> delay is 50 micro seconds
2014-08-03T00:04:17 < Abhishek_> I see
2014-08-03T00:05:00 < Abhishek_> Is the GPIO enabled in the RCC?
2014-08-03T00:05:21 < spline_> yes GPIOA
2014-08-03T00:10:24 < GargantuaSauce_> are you sure you're using 5V tolerant pins? much of GPIOA isn't on many models
2014-08-03T00:10:57 < GargantuaSauce_> if not, the pin is being clamped to Vcc which may be under the high threshold for the part
2014-08-03T00:11:55 < spline_> it is stm32f4 gpioA, PA6 and PA7
2014-08-03T00:12:03 < spline_> see the datasheet
2014-08-03T00:12:54 < GargantuaSauce_> yeah ok
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2014-08-03T00:50:40 < qyx_> nice, all my today changes were journal-reverted on ext4
2014-08-03T00:51:05 < qyx_> they were not commited in svn yet :/
2014-08-03T00:51:39 < qyx_> at least it was not working, chibidongs + 8GB SDHC
2014-08-03T00:54:53 < Thorn> http://wallbase.cc/wallpaper/229604
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2014-08-03T02:54:11 < dongs> sup pros
2014-08-03T02:54:26 < dongs> qyx_: lunix is reliable???????? cool
2014-08-03T02:57:32 < qyx_> kind of
2014-08-03T02:57:37 < qyx_> sometimes
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2014-08-03T07:19:06 < upgrdman> nice way to service the power grid:  http://i.imgur.com/RQ9jOqQ.jpg
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2014-08-03T08:20:36 < dongs> wassup pros
2014-08-03T08:20:50 < dongs> is it dead yet
2014-08-03T08:27:02 < emeb_mac> what?
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2014-08-03T08:41:59 < dongs> http://www.google.com/patents/US5443036
2014-08-03T08:46:26 < emeb_mac> auld
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2014-08-03T08:49:20 < dongs> expired as well
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2014-08-03T08:53:32 < upgrdman> those 4-way pushbuttons ("joystick" but not proportional, no pots) ... anyone know of knobs for them? i see tons of the buttons on mouser, etc... but can't find anything for the user interface
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2014-08-03T11:37:01 < dongs> http://i.imgur.com/8naLHth.png how 2 calculate area
2014-08-03T11:42:33 < dongs> k found some online shit
2014-08-03T11:43:49 < dongs> 1423.18 but no idea wat units???
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2014-08-03T12:08:54 < qyx_> the same squared
2014-08-03T12:38:13 < Thorn> dongs: count the squares
2014-08-03T12:38:38 < Thorn> add 1/2 for each partial square
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2014-08-03T12:44:36 < madist> ^.-
2014-08-03T12:45:42 < jpa-> 52.2*28.2 - (52.2-42.3)*(28.2-18.3)/2
2014-08-03T12:46:44 < madist> is everyone here in 4th grade ?
2014-08-03T12:47:20 < jpa-> no, some dropped out after 2nd
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2014-08-03T12:49:55 < madist> hmm. my calculator says 1423.035, dong's calculator says 1423.18
2014-08-03T12:50:07 < madist> there were no recurring decimals at any point
2014-08-03T12:51:30 < jpa-> maybe he just fed a more accurate or less accurate data to the online calculator
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2014-08-03T13:08:57 < Thorn> http://www.youtube.com/watch?v=jIXwQVFt8Ho
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2014-08-03T16:22:18 < spline_> hi, i cannot find error in this implemented I2C bit banging code for driving tm1637
2014-08-03T16:22:34 < spline_> https://github.com/avishorp/TM1637/blob/master/TM1637Display.cpp, this is the original code which works
2014-08-03T16:22:51 < spline_> my does not : http://pastebin.com/73qwaB8A
2014-08-03T16:23:24 < spline_> help
2014-08-03T16:23:30 < spline_> thank you
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2014-08-03T16:33:27 < dongs> nasty fucking formatting./style
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2014-08-03T16:33:58 < dongs> uint8_t ack = GPIOA->IDR; ?????????????????
2014-08-03T16:34:41 < spline_> reads the register for gpioa
2014-08-03T16:35:00 < dongs> yeah, no shit, i am wondering if you actually know what you're doing there
2014-08-03T16:35:10 < dongs> because its not waht you expect
2014-08-03T16:35:59 < spline_> modify the code, so that I can see what am I doing wrong
2014-08-03T16:36:13 < dongs> first of all its not 8 bit wide, second, you arent masking wahtever pin youre interested in
2014-08-03T16:36:46 < spline_> how do I mask the pin?
2014-08-03T16:36:55 < dongs> https://github.com/multiwii/baseflight/blob/master/src/drv_i2c_soft.c here's working sofware i2c that you will only need to change like ~10 lines to make it run on F4.
2014-08-03T16:37:02 < dongs> IDR & GPIO_Pin_xx
2014-08-03T16:38:33 < spline_> how much delay is 8 iterations?
2014-08-03T16:38:41 < spline_> i need exactly 50 micro seconds
2014-08-03T16:39:07 < spline_> i have been trying with the implemented i2c protocol
2014-08-03T16:39:10 < spline_> and no sucess
2014-08-03T16:39:12 < dongs> enough on F1@72MHz. If you want exact, use a timer, wait on flag, set flag in timer irq
2014-08-03T16:39:38 < dongs> blink a led w/that delay and adjust it down until you get 50ms/us/whatever
2014-08-03T16:39:48 < dongs> since you'll spend some time in context switch and stuff.
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2014-08-03T16:40:27 < spline_> your i2c protocol works, but I need the specific one that I have written for tm1637
2014-08-03T16:40:38 < dongs> then indent it, and fix bugs.
2014-08-03T16:41:02 < spline_> you said that i didn't mask the pin
2014-08-03T16:41:08 < spline_> how do I do that
2014-08-03T16:41:12 < dongs> i already asnwered that.
2014-08-03T16:41:18 < zyp> or get Laurenceb__ to help you, he's good with unreadable code
2014-08-03T16:41:20 < dongs> i also mentioned IDR isn't 8bit wide.
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2014-08-03T16:42:00 < spline_> so 32 bit is correct?
2014-08-03T16:42:15 < zyp> no
2014-08-03T16:45:42 < spline_> how much then?
2014-08-03T16:45:48 < spline_> and masking is this: #define SCL_read      (GPIOB->IDR & Pin_6)
2014-08-03T16:45:51 < spline_> ?
2014-08-03T16:49:29 < dongs> trying to remembetr that appnote that shows how to make F4/F1 pin compatible
2014-08-03T16:52:21 < spline_> masking is the #define preprocessor statement?
2014-08-03T16:54:55 < dongs> thats just C.
2014-08-03T16:58:15 < spline_> oh so if (GPIOA->IDR & GPIO_pin_6) then whatever
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2014-08-03T17:08:46 < dongs> oh, it was right in datasheet
2014-08-03T17:08:59 < dongs> only diff is adding 0R to VCAP to GND
2014-08-03T17:20:54 < Posterdati> hu
2014-08-03T17:20:56 < Posterdati> hi
2014-08-03T17:21:58 < Posterdati> any mbed expert here? I need to flash an arm micro with a softdevice code in a flash block and then the application too, but I've got two separate .bin files
2014-08-03T17:22:01 < Posterdati> thanks
2014-08-03T17:23:27 < dongs> so isnt that just bootloader?
2014-08-03T17:23:34 < dongs> flash that, then drop the app bin into USB
2014-08-03T17:23:35 < dongs> when it boots.
2014-08-03T17:23:44 < dongs> to flash the app
2014-08-03T17:26:50 < Posterdati> no, I've got a softdevice + bootloader
2014-08-03T17:27:32 < Posterdati> bootloader has got higher addresses in flash, softdevice starts from 0 (cortex m0 processor)
2014-08-03T17:29:56 < dongs> oh its one of those fucked up things
2014-08-03T17:30:04 < dongs> that doesnt have SCB_VTOR or wahetver
2014-08-03T17:30:06 < dongs> good luck
2014-08-03T17:30:08 < Posterdati> nRF51822
2014-08-03T17:30:16 < dongs> ask zyp, im sure he knows.
2014-08-03T17:30:28 < dongs> he was dicking with that for work half a year ago
2014-08-03T17:30:47 < Posterdati> yes, but it is in the .hex softdevice weird stuff
2014-08-03T17:31:07 < Posterdati> thanks
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2014-08-03T17:48:09 < zyp> what has that to do with mbed?
2014-08-03T17:49:05 < zyp> oh, I see
2014-08-03T17:49:06 < zyp> http://mbed.org/platforms/Nordic-nRF51822/
2014-08-03T17:49:17 < Posterdati> I've got that board
2014-08-03T17:49:26 < Posterdati> now
2014-08-03T17:49:32 < dongs> i got mine before they aids'd it with mbed
2014-08-03T17:49:48 < dongs> mine just has jlink-ob
2014-08-03T17:50:01 < Posterdati> the nRF51822 has got a softdevice stuff to work
2014-08-03T17:50:08 < zyp> hmm
2014-08-03T17:50:14 < Posterdati> dongs: I'd like to own that
2014-08-03T17:50:18 < zyp> I don't know how the mbed stuff works
2014-08-03T17:50:28 < zyp> I also just used the old one with jlink-ob
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2014-08-03T17:50:41 < dongs> hm board looks almost same
2014-08-03T17:50:43 < dongs> except top right
2014-08-03T17:50:47 < zyp> and I just flashed the softdevice and the user application independently
2014-08-03T17:50:49 < dongs> has that slide switch
2014-08-03T17:50:51 < Posterdati> I connected to the linux pc and it appeared to be a sorta of flash board
2014-08-03T17:51:03 < zyp> dongs, I bet it's just the sam3 firmware that's different
2014-08-03T17:51:13 < dongs> yea probably
2014-08-03T17:52:04 < Posterdati> then I copied the .bin softdevice into the mbed drive and then used openocd to see that the nrf51822 it was flashed
2014-08-03T17:53:10 < Posterdati> how can I flash softdevice + anything in it? just concatenate .bin files?
2014-08-03T17:53:40 < zyp> as long as you get the offsets right
2014-08-03T17:53:55 < zyp> you probably have to add some padding between
2014-08-03T17:54:37 < zyp> so anyway, are you using this with the mbed tools?
2014-08-03T17:54:52 < zyp> and if so, are you sure they don't already add the softdevice for you?
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2014-08-03T18:03:04 < Posterdati> the chip was empty
2014-08-03T18:03:20 < Posterdati> and no, I'm not using any mbed tools
2014-08-03T18:16:10 < Posterdati> :(
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2014-08-03T18:34:47 < spline_> dongs you didn't told me if GPIOA->IDR & pin_number is the right way to mask apropriate pin?
2014-08-03T18:35:35 < zyp> uh, it's not
2014-08-03T18:36:01 < zyp> better go read up on bitwise operations
2014-08-03T18:37:27 < spline_> how wide is IDR?
2014-08-03T18:38:03 < zyp> also better go read the reference manual
2014-08-03T18:40:08 < spline_> i found it
2014-08-03T18:40:13 < spline_> it's 16
2014-08-03T18:41:04 < zyp> that is correct
2014-08-03T18:41:28 < spline_> other 16 is reserved
2014-08-03T18:42:10 < zyp> it should be kinda obvious since there's 16 pins in each port
2014-08-03T18:42:48 < spline_> oh I get it now
2014-08-03T18:43:10 < spline_> i am interested in pin 6 and 7 which i am using for tm1637
2014-08-03T18:43:53 < spline_> so GPIOA->IDR & 1 << 7
2014-08-03T18:44:44 < zyp> I suggest putting () around the shift
2014-08-03T18:45:17 < spline_> yes
2014-08-03T18:45:23 < spline_> but I get it now
2014-08-03T18:45:30 < spline_> is it right?
2014-08-03T18:45:50 < spline_> syntax OK?
2014-08-03T18:46:09 < zyp> uh, guess so
2014-08-03T18:46:52 < spline_> ok I will fix this
2014-08-03T18:47:07 < spline_> is there other weird things in my code
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2014-08-03T20:29:04 < upgrdman> i'd really like an exti that triggered on pin states, not edges. what would be a good way to achieve that? manually poll (perhaps with systick) and software trigger the exti?
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2014-08-03T20:40:51 < jpa-> upgrdman: uh.. so it would stay in the interrupt forever?
2014-08-03T20:41:12 < jpa-> if you want trigger e.g. every 1 ms when some input is active, you can do that with the timers
2014-08-03T20:41:17 < upgrdman> while the pin is high (or low)
2014-08-03T20:41:38 < jpa-> just put a while (pin) {} loop in the edge-triggered interrupt?
2014-08-03T20:41:52 < upgrdman> oh ya, that'd work
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2014-08-03T20:42:02 < jpa-> loops, how do they work
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2014-08-03T22:32:56 < spline_> hello, i am setting open-drain pin to high state directly with GPIO_SetBits()?
2014-08-03T22:32:59 < spline_> yes
2014-08-03T22:33:15 < spline_> but how can I set it to high-z
2014-08-03T22:33:17 < spline_> ?
2014-08-03T22:33:37 < GargantuaSauce_> why are you not using an i2c peripheral anyway
2014-08-03T22:34:02 < GargantuaSauce_> for OD, high impedance is 1
2014-08-03T22:34:08 < GargantuaSauce_> driven low is 0
2014-08-03T22:34:19 < GargantuaSauce_> that's why you use pullup resistors
2014-08-03T22:36:06 < spline_> I must not drive the pin directly to high, but high-z
2014-08-03T22:36:22 < spline_> i have pull up resistor to 5 V
2014-08-03T22:37:24 < spline_> i have to let the pull up resistor to put it in high state
2014-08-03T22:37:55 < spline_> http://blog.avishorp.me/2014/03/arduino-library-for-tm1637-display.html
2014-08-03T22:40:02 < superbia> wasnt this anwsered before
2014-08-03T22:46:48 < spline_> and what is the answer?
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2014-08-03T22:53:51 < spline_> in the manual it is written to achieve high z state you must change it to analog IO
2014-08-03T22:54:05 < spline_> not digital IO
2014-08-03T23:00:03 < upgrdman> no
2014-08-03T23:00:26 < upgrdman> as they said: in output open-drain mode, high = hiZ, low = driven to ~0V
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2014-08-03T23:04:06 < spline_> I use ResetBits function to set to 0 V
2014-08-03T23:05:18 < spline_> how can I change state to high-z without using setbits but it must not be 0V
2014-08-03T23:08:45 < spline_> if I call again the initalizer, that is high z?
2014-08-03T23:08:58 < spline_> not 0
2014-08-03T23:09:00 < spline_> not 1
2014-08-03T23:09:06 < spline_> but high z
2014-08-03T23:10:32 < qyx_> there is no such thing as drive-1 in open-drain
2014-08-03T23:11:19 < qyx_> you can either drive-0 or put it in high Z
2014-08-03T23:15:15 < spline_> when I call GPIO_init it's in high Z?
2014-08-03T23:15:28 < spline_> when I call Reset it's 0?
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2014-08-03T23:26:02 < spline_> there is no such thing as drive-1 in open drain
2014-08-03T23:26:17 < spline_> when I reset the pin
2014-08-03T23:26:22 < spline_> it's 0
2014-08-03T23:26:35 < spline_> but how to put it back to high-z
2014-08-03T23:26:36 < spline_> ?
2014-08-03T23:35:35 < spline_> is it that hard?
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2014-08-03T23:37:51 < spline_> When i call GPIO_init() in which state is the pin in open-drain?
2014-08-03T23:38:06 < spline_> it's high z
2014-08-03T23:38:30 < spline_> then I set it to 0 V with GPIO_Reset()
2014-08-03T23:38:39 < spline_> how to get back to high -z?
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2014-08-03T23:56:16 < upgrdman> make it "high" ... dunno what the stdperiph function is called. setbit or someshit
2014-08-03T23:56:34 < upgrdman> how fucking difficult is it to grasp that concept
2014-08-03T23:59:03 < upgrdman> oh shit, he left :(
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--- Day changed Mon Aug 04 2014
2014-08-04T00:01:42 < Thorn> http://www.cultofandroid.com/67130/oculus-rifts-display-actually-just-galaxy-note-3-front-panel/
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2014-08-04T04:23:11 < jadew> any idea what this means in the openocd output? "Info : halted: PC: 0x08002e38"
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2014-08-04T04:24:37 < dongs> youre stuck in flash
2014-08-04T04:24:51 < zyp> yes, it means that execution is currently paused at location 0x8002e38
2014-08-04T04:25:35 < jadew> why would that happen?
2014-08-04T04:25:46 < jadew> I get that while stepping over something
2014-08-04T04:25:58 < zyp> uh, because that's what stepping does
2014-08-04T04:26:05 < jadew> so I get a bunch of those messages durring the execution
2014-08-04T04:26:14 < jadew> zyp, yeah, but I'd expect only 1 halt
2014-08-04T04:26:16 < jadew> not more
2014-08-04T04:26:29 < zyp> step, halt, step, halt
2014-08-04T04:26:52 < jadew> I do one step, I get 3 halts
2014-08-04T04:27:03 < jadew> at different addresses
2014-08-04T04:27:38 < jadew> if it was only 1, I would have guessed it's the current address, but something else is happening there
2014-08-04T04:28:13 < zyp> then I have no idea
2014-08-04T04:28:24 < jadew> k, thanks
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2014-08-04T04:31:01 < upgrdman> perhaps it has to do with mapping c instruction to 1+ op codes? iirc there is a step for op codes
2014-08-04T04:31:26 < jadew> upgrdman, you're probably right
2014-08-04T04:36:36 < zyp> ah, you're using step, not stepi?
2014-08-04T04:36:51 < jadew> yep
2014-08-04T04:37:27 < jadew> stepi would have had the same effect I suppose, depending on what the c instruction got translated to
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2014-08-04T06:49:45 < ossifrage> It seems like ST can't seem to keep their website up, it seems like most of the time I try to use st.com it is down...
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2014-08-04T07:15:33 < dongs> ossifrage: yeah no shit
2014-08-04T07:15:40 < dongs> lately its been a ton of "gateway timeout" type shit
2014-08-04T07:15:45 < dongs> and "contact YOUR network administrator
2014-08-04T07:15:48 < dongs> to solve it
2014-08-04T07:15:54 < dongs> more liek, fire current ST's website administrator
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2014-08-04T13:53:02 < dongs> wassup pros
2014-08-04T13:54:11 < Thorn> http://chip-architect.com/news/Northwood_130nm_die_text_1600x1200.jpg
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2014-08-04T15:47:34 < superbia> derp
2014-08-04T15:47:44 < superbia> http://www.youtube.com/watch?v=1kSfnh4CMJU
2014-08-04T15:50:58 < dongs> man that thing is a fail
2014-08-04T15:52:19 < effractur> like using a cheap distage sensor
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2014-08-04T15:55:16 < superbia> japs make a good kitchen bots effractur  http://www.youtube.com/watch?v=P0v3QWgoE0k&feature=youtu.be&t=4s
2014-08-04T15:55:45 < effractur> lol
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2014-08-04T15:57:09 < superbia> possible use --> reconstruction of crime scenes in CSI
2014-08-04T15:59:20 < dongs> superbia: including bigdog in there is not really fair
2014-08-04T15:59:26 < dongs> it did NOT fall, and actually recovered.
2014-08-04T15:59:32 < dongs> none of the other toy shit in that video did.
2014-08-04T16:01:23 < superbia> back to diamonddong
2014-08-04T16:01:44 < superbia> latidong diamond..
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2014-08-04T16:05:24 < dongs> i was wondering why my PC was chugging
2014-08-04T16:05:32 < dongs> then I rememebered i had 2 copies of STM32CubeMX running
2014-08-04T16:05:47 < dongs> 4ghz gaming rig with 16gb ram and a shitty java app makes it chug
2014-08-04T16:05:51 < dongs> ffffff
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2014-08-04T16:10:22 < effractur> well 64bit or 32bit java?
2014-08-04T16:10:48 < Steffanx> All the same crap.
2014-08-04T16:11:09 < dongs> ^
2014-08-04T16:11:13 < dongs> nothing works wiht 64butt jva
2014-08-04T16:11:17 < dongs> and im not gonna hve TWO copies of that shit.
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2014-08-04T16:28:40 < Guest98783> If I configure the pin as open-drain, if I want logical 0 I reset it with GPIO_ResetPin(pinNumber).
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2014-08-04T16:29:55 < Guest98783> How do I get high impedance state back?
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2014-08-04T16:33:12 < Tectu> dongs, tell him
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2014-08-04T16:34:59 < superbia> i think ths is 3rd time open-drain question
2014-08-04T16:35:04 < superbia> in 3 days
2014-08-04T16:36:35 < Guest98783> yes you have only two states 0, and open-drain
2014-08-04T16:36:48 < Guest98783> i meant high impedance
2014-08-04T16:36:53 < Guest98783> to get 0
2014-08-04T16:37:02 < Guest98783> i call resetbits
2014-08-04T16:37:15 < Guest98783> how to get back to high impedance
2014-08-04T16:37:37 < dongs> reset them even harder
2014-08-04T16:38:15 < superbia> dongs: what types of reset exist out in the world ?
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2014-08-04T16:39:23 < Guest98783> I was searhing this in manual but I got nothinh
2014-08-04T16:41:39 < Guest98783> I was trying to call GPIO_Init() again but I get error message
2014-08-04T16:41:49 < Guest98783> i think this is not the right way
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2014-08-04T16:56:11 < Posterdati> hi
2014-08-04T16:56:23 < Posterdati> how can I merge two .hex files? thanks
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2014-08-04T17:00:03 < Tectu> you can't
2014-08-04T17:00:47 < jpa-> sure you can
2014-08-04T17:00:48 < Steffanx> of course you can.
2014-08-04T17:01:01 < Steffanx> Ask the almighty keil.
2014-08-04T17:01:03 < Tectu> with any usable success?
2014-08-04T17:01:06 < Tectu> result*
2014-08-04T17:01:11 -!- Thorn [~thorn@unaffiliated/thorn] has quit [Ping timeout: 264 seconds]
2014-08-04T17:01:29 < jpa-> just strip the "end" line out of the first file and cat them together
2014-08-04T17:01:36 < Tectu> ah
2014-08-04T17:01:37 < Tectu> sorry then
2014-08-04T17:01:44 < Tectu> was it the bin that cannot be merged?
2014-08-04T17:02:14 < jpa-> well bin has to go in a contiguous block of memory, but you can merge that too if you fill with zeros or something
2014-08-04T17:04:51 < Tectu> in which cases would one want to merge a hex anyway?
2014-08-04T17:05:03 < Tectu> like modifying closed source firmwarea?
2014-08-04T17:06:13 < Guest98783> can someone please tell me which statement, command, function to call to get high impedance on the line, when I have allready reset it with GPIO_ResetBits()
2014-08-04T17:06:16 < Guest98783> thank you
2014-08-04T17:07:39 < jpa-> Tectu: i have done it when i have bootloader and normal code, but want to flash both at once
2014-08-04T17:08:05 < superbia> write that down
2014-08-04T17:08:13 < Tectu> interesting
2014-08-04T17:08:24 < jpa-> Guest98783: are you sure you know what "high impedance" means?
2014-08-04T17:08:57 < Guest98783> it means not connected
2014-08-04T17:09:24 < jpa-> and what is the state when you have it as open drain output and write '1'?
2014-08-04T17:10:01 < aadamson> Guest98783, resetbit, setbit will cause the pin to go high or low when configured as an output
2014-08-04T17:11:08 < aadamson> a more typical high impedance setup would be the pin configured as an input
2014-08-04T17:12:12 < aadamson> ya might need to spends some time with the gpio section of the reference manuals as there are a number of configuration options for any pin
2014-08-04T17:12:43 < Guest98783> jpa-a which state is it?
2014-08-04T17:13:17 < Guest98783> because this is what i have used it
2014-08-04T17:13:29 < Guest98783> and it doesn't work
2014-08-04T17:14:36 < Posterdati> jpa-: but .hex are from different memory segment
2014-08-04T17:14:45 < jpa-> Posterdati: so?
2014-08-04T17:14:55 < jpa-> each file begins with "write to this address"
2014-08-04T17:15:45 < Posterdati> jpa-: will reverting the concatenated .hex to .bin mantain offsets?
2014-08-04T17:16:01 < Posterdati> jpa-: ok
2014-08-04T17:16:05 < jpa-> no, .bin does not contain addresses
2014-08-04T17:16:17 < Posterdati> jpa-: I know
2014-08-04T17:16:33 < jpa-> objcopy may pad with zeroes, but i haven't checked
2014-08-04T17:16:38 < Posterdati> jpa-: but objcopy would generate a bin from an hex
2014-08-04T17:17:09 < Posterdati> jpa-: and automagically pad the hex data
2014-08-04T17:17:59 < Guest98783> jpa-: which state is it? Because I have used it and it doesn't work
2014-08-04T17:18:14 < jpa-> then you suck
2014-08-04T17:23:23 < Guest98783> what am I doing wrong?
2014-08-04T17:27:00 < Guest98783> I have told you that I can't call GPIO_init() multiple times
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2014-08-04T17:30:13 < Laurenceb_> http://i430.photobucket.com/albums/qq22/N2NXZ/N2NXZ-1.jpg
2014-08-04T17:30:15 < Laurenceb_> murica
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2014-08-04T17:32:30 < superbia> im sure they would continue their lives when the airco dies Laurenceb_
2014-08-04T17:32:49 < Laurenceb_> dont need no laptop
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2014-08-04T17:33:04 < Sync> dat field day
2014-08-04T17:33:16 -!- Tectu [~Tectu@78-167.60-188.cust.bluewin.ch] has quit [Remote host closed the connection]
2014-08-04T17:33:40 < superbia> how simpler would it be live 60 years ago...
2014-08-04T17:36:04 -!- kuldeepdhaka [~kuldeepdh@unaffiliated/kuldeepdhaka] has quit [Ping timeout: 240 seconds]
2014-08-04T17:36:13 < jpa-> what stops you from living like 60 years ago?
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2014-08-04T17:36:48 < superbia> no tubes in the store
2014-08-04T17:38:01 < hornang> anyone familiar with generating interrupt on timer overflow/update event? (or is this even a legitimate place to ask questions)
2014-08-04T17:38:12 < dongs> it works
2014-08-04T17:38:50 < jpa-> we are all timer experts here
2014-08-04T17:38:53 < superbia> legitimate place
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2014-08-04T17:39:28 < hornang> setting the UIE bit in the DIER registry for the timer does not seem to be enough.
2014-08-04T17:39:41 < hornang> input capture interrupt works
2014-08-04T17:39:41 < dongs> how about enabling it in nvic
2014-08-04T17:40:01 < hornang> nvic should be already enabled, if I have the input capture working I suppose
2014-08-04T17:40:18 -!- FreezingCold [~FreezingC@135.0.41.14] has quit [Ping timeout: 244 seconds]
2014-08-04T17:41:57 < dongs> some timers have different handler for CC and other.
2014-08-04T17:42:20 < Guest98783> jpa-: you didn't answer
2014-08-04T17:42:43 < hornang> ah, found the problem... trust me I've spent two hours on this :) some problems magically solve themselves once they are formulated to someone else..
2014-08-04T17:43:06 < dongs> what was it so we can laugh at you
2014-08-04T17:43:25 < hornang> hehe.. well the root problem is that the STM32F4 Cube library does not really support setting the UIE through the "normal" API
2014-08-04T17:43:26 < jpa-> forgot to enable "generate update event"?
2014-08-04T17:43:39 < hornang> So I used the direct method of setting the yeah "generate update event". still nothing happened
2014-08-04T17:43:51 < jpa-> stdperiph strikes back
2014-08-04T17:44:18 < hornang> but it was because the actual IRQ handler was just calling HAL_TIM_IRQHandler(...) which does care about update event.
2014-08-04T17:44:27 < hornang> *does not
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2014-08-04T17:46:31 < hornang> ah, they've called it HAL_TIM_PeriodElapsedCallback
2014-08-04T17:46:45 < dongs> lol, timecube
2014-08-04T17:47:00 < Laurenceb_> 4 timers?
2014-08-04T17:47:07 < Steffanx> Tim-E-cube.
2014-08-04T17:47:16 < Laurenceb_> heh
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2014-08-04T18:01:23 < Posterdati> jpa-: you have to strip the first line from the second .hex too
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2014-08-04T18:02:48 < jpa-> Posterdati: should not be necessary
2014-08-04T18:03:16 < Posterdati> anyway not removing it generates a wrong padded .bin
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2014-08-04T18:03:56 < jpa-> then the addresses in original files are probably wrong
2014-08-04T18:04:06 < Posterdati> no
2014-08-04T18:04:06 < jpa-> the first line is usually an address record
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2014-08-04T18:11:56 < Posterdati> jpa: the second file has got :020000021000EC
2014-08-04T18:12:10 < Posterdati> jpa-: and should start at 0x16000
2014-08-04T18:12:47 < Posterdati> jpa: the first has got :020000040000FA
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2014-08-04T18:39:08 < Laurenceb_> whats the DAC output impedance on F4?
2014-08-04T18:46:21 < jpa-> Posterdati: aha, your second file uses segmented addresses and the first one uses linear addresses; not sure how they interact
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2014-08-04T18:46:51 < jpa-> i wonder why anyone would use segmented addresses
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2014-08-04T18:54:19 < Guest98783> i am learning more if I ask you people, why something does or does not work
2014-08-04T18:54:35 < Guest98783> jpa-: still you didn't answer me
2014-08-04T18:56:26 < Posterdati> jpa-: I converted the second from a.out to .hex
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2014-08-04T19:52:09 < Guest98783> oh i got it now, open-drain + setting to high is high impedance state
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2014-08-04T20:03:13 < rewolff> Laurenceb: dac impedance is "high".
2014-08-04T20:04:03 < rewolff> By default on the order of kilo ohms. If you disable the buffer you get rail-to-rail output, but lose even more on the impedance side.
2014-08-04T20:04:10 < rewolff> (about 100k without buffer).
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2014-08-04T20:08:19 < rewolff> guest98783: Sorry I wasn't around when you started asking questions. What you needed was: "If the port is configured for open drain, setting the port to zero will drive it to zero, when you write a one to the port it goes into high impedance state". Right?
2014-08-04T20:09:53 < Guest98783> yes that's right
2014-08-04T20:10:02 < Guest98783> but the module does not respond
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2014-08-04T20:58:28 < superbia> open drain.................... again
2014-08-04T20:58:41 -!- trepidaciousMBR [~trepidaci@217.155.204.2] has joined ##stm32
2014-08-04T20:58:52 < superbia> change topic to "where we discuss open drain"
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2014-08-04T21:01:01 < effractur> lol
2014-08-04T21:01:27 < superbia> i made a channel ##opendrain
2014-08-04T21:01:34 < effractur> :D
2014-08-04T21:02:29 -!- Intelaida [~webchat@188.134.9.161] has quit [Quit: Page closed]
2014-08-04T21:07:34 < Tectu> effractur, wrong window? or what are you lol'in about?
2014-08-04T21:08:02 < effractur> 19:58 < superbia> change topic to "where we discuss open drain"
2014-08-04T21:08:08 < superbia> true Tectu its not funny
2014-08-04T21:08:18 < Tectu> effractur, ah... the sake of the ignore list
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2014-08-04T21:14:21 < jpa-> wait, Tectu has ignored the open drain guy before me?
2014-08-04T21:14:39 < jpa-> i thought i was the most passive aggressive ignore guy on this channel
2014-08-04T21:15:33 < Tectu> heh
2014-08-04T21:16:09 < Tectu> jpa-, ever became unlazy in the past few weeks?
2014-08-04T21:16:10 < Steffanx> not the open drain guy, the superbia guy jpa-.
2014-08-04T21:16:44 < Steffanx> and that guy is according to your logs not on the ignore list
2014-08-04T21:17:13 < Tectu> Steffanx, is he back on yours again too?
2014-08-04T21:17:22 < Tectu> Steffanx, at least you wanted to re-ignore him before I left
2014-08-04T21:17:23 < Steffanx> who? :P
2014-08-04T21:17:49 < Tectu> that superbia guy
2014-08-04T21:17:59 < jpa-> ah yeah, could be worth ignoring also
2014-08-04T21:18:24 < jpa-> maybe one day we will figure out a way to distribute ignore lists across the channel
2014-08-04T21:18:38 < Sync> swaghub
2014-08-04T21:18:48 < Tectu> lol
2014-08-04T21:18:57 < jpa-> perhaps the irc server could maintain a list of people who are not allowed to talk on a channel.. maybe with a /mode line or something
2014-08-04T21:19:09 < Steffanx> but who is able to set that mode?
2014-08-04T21:19:20 < Tectu> based on a statistic analysis on how many people have the person on their ignore list over time?
2014-08-04T21:19:43 < Tectu> Steffanx, it would be fun if dongs would be that person
2014-08-04T21:19:56 < superbia> not knowing how to merge .hex files could be worth an ignore
2014-08-04T21:20:56 -!- trepidaciousMBR [~trepidaci@217.155.204.2] has joined ##stm32
2014-08-04T21:21:48 < Tectu> jpa-, to be honest I'd first prefer to have an engine that would notify the reading user that a certain other user answered an ignored user
2014-08-04T21:21:59 < Tectu> so you at least know that somebody talked shit again
2014-08-04T21:22:24 < jpa-> i have just learned to ignore any non-sequiturs also
2014-08-04T21:23:37 < BrainDamage> I wonder how many muted me :p
2014-08-04T21:23:46 < Steffanx> None.
2014-08-04T21:23:49 < Tectu> I don't and I have never seen a reason to do so
2014-08-04T21:23:54 < Tectu> you've always been helpful or funny
2014-08-04T21:23:59 < Tectu> sadly never the two at the same time
2014-08-04T21:24:24 < Thorn__> annual ##astm32 performance review again?
2014-08-04T21:24:30 < Thorn__> -a
2014-08-04T21:24:38 -!- Thorn__ is now known as Thorn
2014-08-04T21:24:44 < jpa-> looks like i have no-one on ignore here currently, they have all left :)
2014-08-04T21:25:01 < BrainDamage> everyone measured on the blaxter ratio scale?
2014-08-04T21:25:19 < Steffanx> Blaxter ratio.. is that still used?
2014-08-04T21:25:37 < Tectu> never heard of that one...?
2014-08-04T21:25:41 < BrainDamage> it's a good standard, don't see why throwing it off
2014-08-04T21:26:23 < Tectu> the heck is the blaxter ratio standard?
2014-08-04T21:26:42 < BrainDamage> laurence blaxter
2014-08-04T21:26:45 < jpa-> a problem with the blaxter ratio is that it changes over time
2014-08-04T21:26:47 < Guest98783> gpio_speed is the toggle speed (how fast does change state of the pin)?
2014-08-04T21:27:08 < jpa-> Guest98783: kind-of-not-really, it is more like the impedance matching of the pin
2014-08-04T21:27:47 < jpa-> see datasheet for details
2014-08-04T21:27:52 -!- trepidaciousMBR [~trepidaci@217.155.204.2] has quit [Ping timeout: 240 seconds]
2014-08-04T21:29:00 < Guest98783> wait how can I know which speed is the toggle speed? in Arduino it's 8 Mhz
2014-08-04T21:30:49 < jpa-> what does it matter?
2014-08-04T21:31:19 -!- trepidaciousMBR [~trepidaci@92.40.248.55.threembb.co.uk] has joined ##stm32
2014-08-04T21:31:44 < jpa-> besides, cortex-m3 is a complex enough processor core that bitbanging timing is not very reliable in general
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2014-08-04T21:33:38 < Guest98783> i think it's cortex m4
2014-08-04T21:33:42 < Guest98783> stm32f4
2014-08-04T21:33:48 < jpa-> even more so then
2014-08-04T21:34:07 < Guest98783> wait why didn't you tell me at first place that it's not reliable
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2014-08-04T21:34:20 < Steffanx> Do you need it to be reliable?
2014-08-04T21:34:32 < Tectu> Guest98783, might one ask what you're trying to do / what problems you are facing?
2014-08-04T21:34:40 < Steffanx> Do you care if it's 50us or 55us or .. whatever?
2014-08-04T21:34:49 < Guest98783> yes
2014-08-04T21:34:54 < jpa-> use timers.
2014-08-04T21:34:55 < Guest98783> it has to be 50us
2014-08-04T21:35:01 < Thorn> timers are reliable and can go up to 100MHz iirc
2014-08-04T21:35:01 < jpa-> that's what they are for
2014-08-04T21:35:07 < Tectu> why does anybody bitbang anything that works in the 50us resolution?
2014-08-04T21:35:08 < Guest98783> ok
2014-08-04T21:35:16 < jpa-> because arduino
2014-08-04T21:35:19 < Tectu> ah
2014-08-04T21:35:22 < Tectu> that again...
2014-08-04T21:35:25 < Tectu> or "still"
2014-08-04T21:35:38 < Steffanx> Guest98783, try: /nick OpenDrainy
2014-08-04T21:35:46 < Guest98783> ok
2014-08-04T21:35:57 -!- Guest98783 is now known as OpenDrainy
2014-08-04T21:36:04 < superbia> #TAG
2014-08-04T21:36:21 < Thorn> OpenDrained
2014-08-04T21:36:33  * Tectu drains OpenDrainy 
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2014-08-04T21:36:45 -!- OpenDrainy is now known as whyis50usnotcool
2014-08-04T21:37:15 < Tectu> please note that we are not an arduino community here, so please cut the crap
2014-08-04T21:37:54 < whyis50usnotcool> isn't there an arduino ARM board?
2014-08-04T21:38:09 < Steffanx> ST nucleo stuff probably
2014-08-04T21:38:15 < Steffanx> is kind of arduino-ish
2014-08-04T21:38:31 < Thorn> there will be an allwinner arduino board soon I'm sure
2014-08-04T21:38:38 < Thorn> what does it change
2014-08-04T21:38:41 < Steffanx> isn't there already one?
2014-08-04T21:38:49 < Thorn> no idea
2014-08-04T21:39:02 < Steffanx> Or at least one with tarduino compatible headers
2014-08-04T21:39:11 -!- CipherWizard_ [~cipherwiz@mail.novatech-llc.com] has quit [Remote host closed the connection]
2014-08-04T21:40:39 < Tectu> whyis50usnotcool, what does it change? arduino board means just that it runs the arudino framework
2014-08-04T21:40:51 < Tectu> I mean there is an arduino board based on an intel atom (x86)
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2014-08-04T21:41:30 < jpa-> isn't arduino due based on ARM?
2014-08-04T21:41:57 < Tectu> netduino uses some stm32, no?
2014-08-04T21:42:10 < whyis50usnotcool> ok, i am using an Arduino module which is available on stm32f4
2014-08-04T21:42:21 < Tectu> or some atmel arm
2014-08-04T21:42:23 < whyis50usnotcool> where else can I get an 7-digit display
2014-08-04T21:42:28 < Steffanx> Ask Tectu
2014-08-04T21:42:33 < superbia> +1
2014-08-04T21:42:33 < Steffanx> He has some fancy displays.
2014-08-04T21:42:38 < Tectu> yeah
2014-08-04T21:42:44 < Tectu> best 7-segments I ever had
2014-08-04T21:43:19 < Tectu> whyis50usnotcool, could you please try to explain to me what _exactly_ you want to do and why?
2014-08-04T21:43:33 < superbia> in action http://www.youtube.com/watch?v=Dd1pZrDkN_U
2014-08-04T21:43:41 < Tectu> Steffanx btw, still an F405 on that board LOL
2014-08-04T21:43:44 < superbia> i got it from Tectu, and boy they are shiny
2014-08-04T21:43:58 < whyis50usnotcool> tm1637 display module connect to stm32f4
2014-08-04T21:44:08 < whyis50usnotcool> that's what am i doing
2014-08-04T21:44:08 < Tectu> --> why?
2014-08-04T21:44:30 < Tectu> one does not need an STM32F4 to drive some 7-segment digits  (pssst, Steffanx, don't do it please)
2014-08-04T21:44:33 < whyis50usnotcool> because it's cheap and I had one at home
2014-08-04T21:44:49 < Steffanx> You do Tectu
2014-08-04T21:45:06 < Tectu> Steffanx, I'm still trying to find out whether I want to use some F0 or some L series
2014-08-04T21:45:11 < whyis50usnotcool> yes i know i don't need an stm32f4 to drive a display
2014-08-04T21:45:26 < Tectu> whyis50usnotcool, well, tm1637 can be driven from the SPI peripheral.
2014-08-04T21:45:30 < Tectu> whyis50usnotcool, so why bitbanging it?
2014-08-04T21:45:38 < whyis50usnotcool> how do you know
2014-08-04T21:45:44 < whyis50usnotcool> it uses i2c
2014-08-04T21:46:33 < whyis50usnotcool> look the datasheet it is in chinese
2014-08-04T21:46:54 < Tectu> I really don't care that much whether it uses i2c or spi
2014-08-04T21:47:06 < Tectu> it uses some serial interface for which your F4 brings plenty of peripherals
2014-08-04T21:47:10 < Tectu> so -> why bitbanging it?
2014-08-04T21:47:30 < whyis50usnotcool> i have used i2c, and it didn't work
2014-08-04T21:47:49 < whyis50usnotcool> maybe because of the 3.3 V vs 5 V
2014-08-04T21:47:56 < whyis50usnotcool> voltage levels
2014-08-04T21:48:06 < Tectu> most likely, yes
2014-08-04T21:48:12 < Tectu> so get some level translators
2014-08-04T21:48:14 < Tectu> or a transistor.
2014-08-04T21:48:34 < whyis50usnotcool> 5V pull up?
2014-08-04T21:48:36 < Tectu> one transistor gives you a reliable full duplex 3.3V/5V level translator
2014-08-04T21:48:38 < Tectu> no
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2014-08-04T21:49:08 < mumptai> oin
2014-08-04T21:49:14 < mumptai> m
2014-08-04T21:49:14 < whyis50usnotcool> ok
2014-08-04T21:49:24 < Tectu> full duplex was the wrong term, I meant 'bidirectional' sorry
2014-08-04T21:51:21 < whyis50usnotcool> claude has told me to use pull up resistor
2014-08-04T21:51:43 < whyis50usnotcool> do you want to see the code for bit banging?
2014-08-04T21:52:00 < Tectu> no, I don't care. Use your i2c peripheral if the slave has an i2c interface
2014-08-04T21:52:11 < whyis50usnotcool> yes it has
2014-08-04T21:52:15 < Tectu> so use it
2014-08-04T21:52:37 < Tectu> I'd totally recommend to use a transitor based level shifter
2014-08-04T21:52:39 < Thorn> i2c is wired-or (open drain) so you can pull it up to any voltage up to the maximum that your IC pins can withstand
2014-08-04T21:52:53 < Tectu> Thorn, as long as he does not fuck it up, yes.
2014-08-04T21:53:13 < Thorn> and i2c pins on stm32 should be 5v tolerant
2014-08-04T21:53:16 < Tectu> Thorn, arduino people tend to connect everything to 12V
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2014-08-04T21:53:56 < Thorn> I wonder what the atmega thinks about that
2014-08-04T21:54:50 < whyis50usnotcool> Tectu: Can you give a link to a transistor which has the base 3.3V and other two 5V tolerance
2014-08-04T21:55:17 < superbia> irl44z
2014-08-04T21:55:24 < Tectu> whyis50usnotcool, only if you change your nick to something shorter.
2014-08-04T21:55:41 < whyis50usnotcool> \nick s
2014-08-04T21:56:06 -!- whyis50usnotcool is now known as tectu2
2014-08-04T21:56:19 < Tectu> I give you 30 seconds to change that nick.
2014-08-04T21:56:24 < Tectu> tectu2, ^
2014-08-04T21:56:53 < Tectu> Just go with OpenDrainy for now.
2014-08-04T21:57:04 -!- tectu2 is now known as OpenDrainy
2014-08-04T21:57:20 < Tectu> so... Do you need a bidirectional communication on your i2c?
2014-08-04T21:57:30 < OpenDrainy> no
2014-08-04T21:57:42 -!- phantomD [destroy@a89-154-119-158.cpe.netcabo.pt] has quit [Ping timeout: 260 seconds]
2014-08-04T21:57:49 < OpenDrainy> well I do need for ack
2014-08-04T21:58:56 < OpenDrainy> is the ack bit, bidirectional?
2014-08-04T21:59:30 < Tectu> if the slave sends something that your MCU needs to get (that is on the same lane), then it is bidirectional
2014-08-04T22:00:00 < OpenDrainy> ok then it is
2014-08-04T22:03:08 < qyx__> still solving the opendrain issue?
2014-08-04T22:03:35 < OpenDrainy> no
2014-08-04T22:04:53 < Tectu> yes is the correct answer
2014-08-04T22:05:15 < OpenDrainy> open-drain is not the problem now
2014-08-04T22:05:29 < Tectu> OpenDrainy, http://abload.de/img/level_shift9bcss.jpg
2014-08-04T22:05:47 < OpenDrainy> ok
2014-08-04T22:05:52 < OpenDrainy> i will make this
2014-08-04T22:05:53 < Tectu> OpenDrainy, the resistors are only needed if you are on an open drain system, otherwise you can just go with the bare transistor
2014-08-04T22:05:56 < OpenDrainy> thank you
2014-08-04T22:06:03 < Tectu> np
2014-08-04T22:07:10 -!- trepidaciousMBR [~trepidaci@92.40.248.55.threembb.co.uk] has quit [Ping timeout: 255 seconds]
2014-08-04T22:08:51 < Tectu> OpenDrainy, something just made me think that you already tried to use 5V OpenDrain on the I2C pins of your MCU... it did still not work?
2014-08-04T22:09:12 < Tectu> because when the pins of your MCU are 5V tolerable and you did it right, then this thing will not solve any problem at all
2014-08-04T22:09:22 < Tectu> this thing really just helps you when you have 3.3V tolerable pins
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2014-08-04T22:12:15 < Claude> lol this OpenDrainy / 50centusawtf / can't remember his former nick/  guy is just shit. get an EE book and read
2014-08-04T22:12:38 < Tectu> Claude, o/
2014-08-04T22:13:08 < Claude> hey Tectu
2014-08-04T22:21:44 -!- phantom is now known as phantoxeD
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2014-08-04T22:26:47 -!- Claude is now known as claude
2014-08-04T22:37:43 < OpenDrainy> mcu is stm32f4 and max is the tm1637?
2014-08-04T22:39:25 < OpenDrainy> this 2n7002 transistor is smd
2014-08-04T22:39:42 < OpenDrainy> i would need one for breadboard
2014-08-04T22:50:18 < Tectu> yes
2014-08-04T22:50:28 < Tectu> that max is just from some other random schematics from ma disksks
2014-08-04T22:50:38 < Tectu> you can use what ever transistor fits the purpose
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2014-08-04T22:52:15 < OpenDrainy> yes, i would like a transistor that switches when 3,3V is present on gate
2014-08-04T22:52:22 < Tectu> then go for one.
2014-08-04T22:53:51 -!- phantom [destroy@a89-154-119-158.cpe.netcabo.pt] has joined ##stm32
2014-08-04T22:54:45 < OpenDrainy> what do I have to look in specification for 3.3V gate switch thing?
2014-08-04T22:55:18 < superbia> the thing is, you dont
2014-08-04T22:56:15 < OpenDrainy> i know from theory that the transistor is a valve, and it has gate drain and source pins
2014-08-04T22:56:33 < qyx__> it depends
2014-08-04T22:57:29 < OpenDrainy> 3.3 V on gate -> 5V on source pin
2014-08-04T22:57:33 < OpenDrainy> that's what i need
2014-08-04T22:57:42 -!- phantoxeD [destroy@a89-154-119-158.cpe.netcabo.pt] has quit [Ping timeout: 245 seconds]
2014-08-04T23:09:34 -!- CRF_Peter [~Peter@h-154-110.a370.priv.bahnhof.se] has quit [Ping timeout: 260 seconds]
2014-08-04T23:12:10 < Tectu> OpenDrainy, why don't you try to figure out how to solve your problem rather than spending hours on a work-around that will not work because of the problem you are having?
2014-08-04T23:15:13 < OpenDrainy> isn't my way the correct way?
2014-08-04T23:15:39 < OpenDrainy> if I apply 3.3 V on gate
2014-08-04T23:15:45 < OpenDrainy> the source will get 5 V
2014-08-04T23:15:46 < Tectu> somebody here told me that you are having this issue since a long time and that people here told you that the I2C pins of your MCU are 5V tolerable
2014-08-04T23:15:56 < Tectu> so you don't need any transistor at all
2014-08-04T23:17:14 < OpenDrainy> so pull up resistor and I2C protocol on 5V tolerant pin?
2014-08-04T23:17:41 < Tectu> I'm not going to answer that question. I've been told that multiple people here told you that already
2014-08-04T23:18:17 < OpenDrainy> yes claude has told me that
2014-08-04T23:19:25 < Tectu> then do it
2014-08-04T23:19:33 < Tectu> and figure out why it does not work
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2014-08-04T23:21:21 < Steffanx> a logic analyzer or even a scope would help a bit
2014-08-04T23:21:33 < OpenDrainy> that I don't have
2014-08-04T23:22:10 < Tectu> get one, you can get the former for cheap monies
2014-08-04T23:22:14 < Tectu> no need to get some fancy 2k$ one
2014-08-04T23:22:33 < Steffanx> get one for $10 on ebay "_
2014-08-04T23:22:36 < Steffanx> :)
2014-08-04T23:26:25 < Tectu> or buy 50$ one from seed
2014-08-04T23:26:27 < Tectu> seeed
2014-08-04T23:31:51 < qyx__> seeeed
2014-08-04T23:33:50 < OpenDrainy> some one has also told me about, that i2c interface is not compatible with i2c tm1637, because it's from china
2014-08-04T23:33:59 < OpenDrainy> because of that
2014-08-04T23:34:07 < OpenDrainy> i went to bitbanging
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2014-08-04T23:34:41 < OpenDrainy> so if I call generateStartBit() from stlib
2014-08-04T23:34:44 < OpenDrainy> is ok?
2014-08-04T23:35:06 -!- qyx__ [~qyx@92.240.229.158] has quit [Quit: leaving]
2014-08-04T23:35:11 < Tectu> did you just say that some i2c slave is not i2c compatible because it comes from china?
2014-08-04T23:35:29 < Tectu> if it is not i2c compatible, then it is not an i2c slave and then the manufacturer does not write i2c anywhere
2014-08-04T23:35:40 < OpenDrainy> that what someone said on this irc
2014-08-04T23:36:01 < Tectu> don't trust people from IRC unless you know that what they say is somewhat sane. RTFM yourself.
2014-08-04T23:36:28 < Tectu> and there's still the option that it is "i2c compatible" and you just screwed up something
2014-08-04T23:36:34 < Steffanx> heee.. go way
2014-08-04T23:36:37 < Steffanx> we are all pro irc ee
2014-08-04T23:36:46 < Steffanx> *away
2014-08-04T23:36:52 -!- trepidaciousMBR [~trepidaci@92.40.248.55.threembb.co.uk] has quit [Ping timeout: 240 seconds]
2014-08-04T23:36:59 < OpenDrainy> yes but I am just starting programming embedded systems
2014-08-04T23:37:14 < OpenDrainy> maybe i2c has multiple versions
2014-08-04T23:37:18 < Tectu> no
2014-08-04T23:37:19 < Sync> no
2014-08-04T23:37:24 < Tectu> there is i2c and that's it
2014-08-04T23:37:26 < OpenDrainy> well if you say so
2014-08-04T23:37:31 < Tectu> some people (Atmel) call it TWI, tho
2014-08-04T23:37:37 < Tectu> because of some licensing shit, not sure what is going on there
2014-08-04T23:37:38 < Sync> because licensing
2014-08-04T23:37:48 < OpenDrainy> ok
2014-08-04T23:37:49 < Sync> philips wants dem moni
2014-08-04T23:37:57 < Tectu> Sync, so ST pays phillips or simens, not sure what it was to use the name i2c?
2014-08-04T23:38:02 < Tectu> ah, philips then
2014-08-04T23:38:07 < Sync> yes
2014-08-04T23:38:27 < Sync> so they can say i2c™®©, actually I don't know if it still is a trademark
2014-08-04T23:39:59 < Tectu> heh
2014-08-04T23:40:02 < Tectu> crazy world
2014-08-04T23:40:43 -!- OpenDrainy [542956eb@gateway/web/freenode/ip.84.41.86.235] has quit [Quit: Page closed]
--- Day changed Tue Aug 05 2014
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2014-08-05T00:20:53 < CipherWizard> I am curios about using USB in a future project. Can I get some links to read so I can start to familiarize myself with it.
2014-08-05T00:21:44 < Thorn> http://www.beyondlogic.org/usbnutshell/usb1.shtml  http://www.usbmadesimple.co.uk/
2014-08-05T00:23:46 < CipherWizard> Thanks Thorn. I have already read the usbmadesimple.
2014-08-05T00:27:41 -!- Laurenceb__ [~Laurence@host86-140-224-73.range86-140.btcentralplus.com] has joined ##stm32
2014-08-05T00:30:06 < zyp> http://www.usb.org/developers/docs/usb20_docs/usb_20_042814.zip
2014-08-05T00:41:23 < CipherWizard> Would it be best to use a RTOS for a USB project or would just running on interrupts be good enough?
2014-08-05T00:44:49 < zyp> you don't even have to do either
2014-08-05T00:44:59 < zyp> for small projects, polling is just fine
2014-08-05T00:46:12 < CipherWizard> Well I am thinking of a little larger project that uses multiple endpoints of differing types.
2014-08-05T00:46:50 < zyp> that's still not necessarily a problem
2014-08-05T00:47:11 < CipherWizard> Ok thanks.
2014-08-05T00:50:42 < zyp> http://cgit.jvnv.net/arcin/tree/main.cpp <- here's how I did a HID game controller
2014-08-05T00:51:23 < zyp> it has a nonblocking mainloop that handles usb polling (through calling update) and also does the button press processing and outbound traffic
2014-08-05T00:51:35 < zyp> and all inbound traffic is handled in callbacks
2014-08-05T00:51:51 < zyp> no multithreading or interrupts involved
2014-08-05T00:52:07 < zyp> and nothing that restricts it to a single endpoint
2014-08-05T00:52:23 < Tectu> zyp, HID game controller? was that that huge dance-dance-revolution controller where everything was dusty as fuck?
2014-08-05T00:53:00 < zyp> Tectu, maybe
2014-08-05T00:53:38 < zyp> http://bin.jvnv.net/f/7vvBf.jpg <- I guess you're thinking of this? :p
2014-08-05T00:54:09 < zyp> that's not exactly what the board was designed for, but it works :p
2014-08-05T00:56:45 < zyp> the main disadvantage with polling compared to interrupts is that you can't sleep until next interrupt since you have to keep polling continously
2014-08-05T00:57:57 < CipherWizard> That is something I might want to change at a later time. It would be nice to get it to go to sleep when the usb bus does
2014-08-05T00:58:33 < Tectu> zyp, exactly that one
2014-08-05T01:00:10 < zyp> Tectu, it doesn't look like that any more, the guy picked it apart, cleaned it up and even had it painted, so it kinda looks better than new now
2014-08-05T01:00:27 < Tectu> zyp, pics?
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2014-08-05T01:01:21 < zyp> https://scontent-b-fra.xx.fbcdn.net/hphotos-xpa1/t31.0-8/1016003_10153994120740371_3002302961170755786_o.jpg
2014-08-05T01:03:14 < zyp> oh, but then we got another ddr machine that was in an even more horrible condition
2014-08-05T01:03:26 < Tectu> nice
2014-08-05T01:03:28 < zyp> «free if you come pick it up»
2014-08-05T01:03:34 < zyp> so we went over and got it
2014-08-05T01:03:46 < Tectu> and why would you want a dance dance revolution machine again?
2014-08-05T01:03:58 < zyp> https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xaf1/t31.0-8/10295551_10154178122475371_6101830032532122150_o.jpg <- apparently have been sitting outside for a while
2014-08-05T01:05:48 < Tectu> oh dear
2014-08-05T01:26:03 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 240 seconds]
2014-08-05T01:26:08 < qyx_> whats the thing behind it on the right?
2014-08-05T01:26:15 < qyx_> with the big hole inside?
2014-08-05T01:26:29 < qyx_> it looks scary
2014-08-05T01:36:28 < zyp> that's the machine itself
2014-08-05T01:36:43 < zyp> somebody had already removed the speakers when we picked up the machine
2014-08-05T01:37:45 < Steffanx> zyp is in the arcade machine business now?
2014-08-05T01:37:59 < Steffanx> *repair business
2014-08-05T01:38:16 < zyp> nah
2014-08-05T01:38:24 < zyp> but it were free
2014-08-05T01:38:31 < Steffanx> ah :)
2014-08-05T01:39:59 < emeb> apparently hasn't reached that point in his accumulation of junk that "free" isn't enough justification to acquire.
2014-08-05T01:40:30 < emeb> backpressure from my garage full of kewl stuff keeps me from getting more these days. :)
2014-08-05T01:41:13 < Steffanx> you need a larger garage
2014-08-05T01:42:07 < zyp> emeb, it's sitting at my friend's place, so that's not my problem :p
2014-08-05T01:44:02 < emeb> hrhrhr
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2014-08-05T02:29:41 < dongs> sup PROS
2014-08-05T02:29:49 < dongs> zyp, got paid from your pal, and i got invoice for your junk
2014-08-05T02:30:49 < zyp> nice
2014-08-05T02:31:27 < zyp> did you do anything about the wires I asked for yet?
2014-08-05T02:31:44 < dongs> chinagirl was sick on saturday/ should be back at work now. so i can poke today.
2014-08-05T02:31:56 < zyp> ah, ok
2014-08-05T02:32:53 -!- Tectu [~Tectu@78-167.60-188.cust.bluewin.ch] has quit [Quit: Leaving]
2014-08-05T02:36:23 < zyp> heh, I thought you said it become more expensive because of the ENIG, but the pcb price remained the same while pcba price increased
2014-08-05T02:36:42 < zyp> do they just pull numbers out their ass to get to the desired total? :p
2014-08-05T02:36:57 < zyp> or is that because they assembled extra boards too?
2014-08-05T02:37:58 < zyp> anyway, paid
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2014-08-05T03:22:53 < dongs> zyp: extra boards, plus krw vs usd rate
2014-08-05T03:23:40 < zyp> ah
2014-08-05T03:28:44 -!- tonyarkles [~aja042@207.195.86.147] has joined ##stm32
2014-08-05T03:28:58 < dongs> hm i have to think about ordering more dpadapter pcbs. only a few weeks and 300 is almost gone
2014-08-05T03:36:19 < dongs> meanwhile oscar the arduino opensores csreen adapter only managed to burn 100 boards "made in UK"
2014-08-05T03:37:12 < dongs> https://www.kickstarter.com/projects/1859884318/oscar-the-open-screen-adapter/posts
2014-08-05T03:37:42 < dongs> https://www.kickstarter.com/projects/753230753/packed-pixels-an-extra-monitor-for-your-laptop/posts packed dixels announced that "HDMI is 2 HARD for our advanced proprietary technology"
2014-08-05T03:37:46 < zyp> I hear Laurenceb_ is also «made in UK», so I'm not surprised
2014-08-05T03:46:20 -!- damo_damo [~damo_damo@FL9-119-243-84-71.osk.mesh.ad.jp] has joined ##stm32
2014-08-05T03:47:20 < effractur> more like if we implement hdmi 2 we make less money ;p
2014-08-05T03:49:16 < dongs> they arent making it unless they succeed in scamming a whole bunch of idiots
2014-08-05T03:49:46 < dongs> wow
2014-08-05T03:49:55 < dongs> apparently i sold ~1500 of my dp adapter shits
2014-08-05T03:53:41 -!- phantom is now known as phantoxeD
2014-08-05T03:54:41 < effractur> dongs: link to your dp adapter?
2014-08-05T03:54:42 < dongs> http://www.reddit.com/r/ReverseEngineering/comments/2cm7zb/50_in_btc_bounty_for_reverse_engineering_star/ hahaha @ comments
2014-08-05T03:55:05 < dongs> effractur: http://www.tarduino.cc/2013/04/ipad-3-retina-display-adapter-to.html
2014-08-05T03:56:18 < effractur> a just a dp to edp converter?
2014-08-05T03:56:30 < dongs> right
2014-08-05T03:56:36 < dongs> HIGHLY PROPRIETARY
2014-08-05T03:56:47 < dongs> (just 1:1 connection)
2014-08-05T03:57:04 < effractur> no dropping the voltage?
2014-08-05T03:57:13 < dongs> wat voltage?
2014-08-05T03:57:14 < zyp> dropping it on the ground
2014-08-05T03:57:15 < effractur> and some backlight controll
2014-08-05T03:57:27 < effractur> dongs: is the singal lvl for dp the same as edp?
2014-08-05T03:57:30 < dongs> yes
2014-08-05T03:57:34 < effractur> a nice
2014-08-05T03:57:40 < dongs> not like dvi/hdmi shit
2014-08-05T03:57:44 < dongs> that needs some shifting
2014-08-05T03:58:02 < zyp> how so?
2014-08-05T03:58:13 < zyp> isn't dvi and hdmi same level?
2014-08-05T03:58:21 < effractur> and a small ic for the backlight
2014-08-05T03:58:23 < dongs> zyp: http://www.maximintegrated.com/en/products/analog/video-products/MAX9406.html + etc
2014-08-05T03:58:24 < effractur> and some power stuff
2014-08-05T03:58:36 < dongs> maybe DP to HDMI/DVI
2014-08-05T03:58:42 < dongs> is different levels.
2014-08-05T03:58:47 < zyp> I mean, considering all the passive adapters between hdmi and dvi, you'd assume it's the same
2014-08-05T03:58:49 < effractur> and for the display ID what are u using?
2014-08-05T03:58:56 < zyp> ah
2014-08-05T03:59:06 < zyp> that's DP+ to DVI/HDMI
2014-08-05T03:59:16 < dongs> effractur: 'Color LCD' thats what in the edid. i dont do anything wiht it
2014-08-05T03:59:48 < effractur> and the stm is doing all that?
2014-08-05T03:59:56 < effractur> or is there a seperate controller for the edid?
2014-08-05T04:00:06 < dongs> stm is doing fuck all
2014-08-05T04:00:11 < effractur> :D
2014-08-05T04:00:12 < dongs> it just makes pwm for backlight and scans keys
2014-08-05T04:00:21 < dongs> and usb etc.
2014-08-05T04:00:31 < dongs> and turns shit on /off.
2014-08-05T04:01:46 < effractur> cool
2014-08-05T04:02:52 -!- rmob [~rmob@188-194-231-97-dynip.superkabel.de] has quit [Ping timeout: 260 seconds]
2014-08-05T04:04:13 < upgrdman> dongs: your ipad lcd pcb... seems very space inefficient. any reason why? seems like you could cut it in half and save on PCB cost.
2014-08-05T04:05:05 < zyp> to get the connector at the edge of the panel
2014-08-05T04:05:09 < zyp> and not in the middle under it
2014-08-05T04:05:44 < upgrdman> ooooooh
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2014-08-05T04:05:51 < upgrdman> ok makes perfect sense then
2014-08-05T04:07:32 < dongs> ya if packed it could be as small as this: http://mikesmods.com/mm-wp/wp-content/uploads/2014/03/PCB10011_Rev_A_First_Looks.jpg .
2014-08-05T04:08:56 < upgrdman> neat
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2014-08-05T04:25:44 < dongs> zyp: beep
2014-08-05T04:26:37 < zyp> hi
2014-08-05T04:26:41 < dongs> your wire shit
2014-08-05T04:26:49 < zyp> yes
2014-08-05T04:27:16 < dongs> it needed liek 4 spade
2014-08-05T04:27:17 < dongs> per 1 JST
2014-08-05T04:27:18 < dongs> right?
2014-08-05T04:27:22 < dongs> did you provide the connectors?
2014-08-05T04:27:26 < dongs> JST
2014-08-05T04:27:36 < zyp> no, you got a bag of 2k from your usual china place
2014-08-05T04:27:45 < dongs> of JST? or flat
2014-08-05T04:27:45 < zyp> (that was the spades)
2014-08-05T04:27:50 < dongs> ah
2014-08-05T04:27:54 < zyp> wire place supplied the JSTs
2014-08-05T04:27:54 < dongs> ok waht about plastic housing?
2014-08-05T04:28:00 < dongs> OK cool.
2014-08-05T04:28:04 < dongs> so i just need to get another 2k
2014-08-05T04:28:07 < dongs> to get your 500 sets done
2014-08-05T04:28:15 < zyp> yes
2014-08-05T04:28:23 < dongs> kk on it
2014-08-05T04:28:35 < zyp> thanks
2014-08-05T04:30:34 < dongs> and this is EMS to you right?
2014-08-05T04:31:25 < dongs> R2COM: sup i heard you were bant from here
2014-08-05T04:31:38 < dongs> zyp: ok request sent, gonna arrange 2k connectors.
2014-08-05T04:31:54 < dongs> well, from feenode
2014-08-05T04:31:56 < dongs> klined
2014-08-05T04:31:58 < dongs> the rumors.
2014-08-05T04:32:45 < dongs> did tyhey send  you back to ukraine
2014-08-05T04:33:44 < dongs> did it involve shooting down civilian planes
2014-08-05T04:39:01 < dongs> keil
2014-08-05T04:39:03 < dongs> iar is garbage
2014-08-05T04:39:07 < dongs> buggy shit that nobody actually uses
2014-08-05T04:39:19 < dongs> or crossworks
2014-08-05T04:39:25 < dongs> a bit cheaper if you dont mind gcc aids
2014-08-05T04:39:28 < dongs> 1.5k for commercial lic
2014-08-05T04:39:50 < dongs> 3k for cortex-m edition
2014-08-05T04:39:57 < dongs> 5k for pro w/middleware and shit
2014-08-05T04:40:15 < dongs> no its their own GUI
2014-08-05T04:40:17 < dongs> not eclipse
2014-08-05T04:40:28 < dongs> its not so bad, and they actually have code complete in latest versio.
2014-08-05T04:40:33 < dongs> i updated to 3.x license just recently
2014-08-05T04:40:56 < dongs> to build some gcc-only trash
2014-08-05T04:42:25 < dongs> just gcc, otherwise its fine
2014-08-05T04:42:27 < dongs> debugger is great
2014-08-05T04:42:36 < dongs> works OK with both stlink and jlink
2014-08-05T04:42:54 < dongs> you can even load .elf without sources and still step through on the target
2014-08-05T04:42:57 < dongs> you cant do that in keil
2014-08-05T04:43:43 < dongs> well, i do occastionally
2014-08-05T04:43:47 < dongs> occasionally
2014-08-05T04:43:57 < dongs> for 1.5k i think its quite decent.
2014-08-05T04:45:33 < dongs> regular jlink works
2014-08-05T04:45:45 < aadamson> edu
2014-08-05T04:45:56 < aadamson> features?
2014-08-05T04:46:09 < aadamson> basic and edu are same
2014-08-05T04:46:13 < aadamson> I have 2 of the edu's
2014-08-05T04:46:17 < dongs> ya just regular one - thers nothing in ultra that regular doesnt do to justify price increase
2014-08-05T04:46:44 < dongs> it adds ETM which you 'll never use
2014-08-05T04:46:47 < dongs> and I think ethernet interface?
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2014-08-05T04:47:02 < aadamson> I had one die for no reason and they replaced it free
2014-08-05T04:47:28 < dongs> R2COM: flash write speed is below this , and for debugging its more than enough
2014-08-05T04:47:55 < dongs> so you arent going to be flashing faster with a 3x more expnsive jlink
2014-08-05T04:48:07 < dongs> yes
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2014-08-05T04:48:30 < aadamson> and if you check the base and edu are the same, but the edu is way less $$$
2014-08-05T04:48:35 < aadamson> http://segger.com/jlink-debug-probes.html
2014-08-05T04:48:43 < aadamson> ah..
2014-08-05T04:48:44 < aadamson> but
2014-08-05T04:48:46 < aadamson> if commercial
2014-08-05T04:48:49 < aadamson> now I understand
2014-08-05T04:49:08 < dongs> R2COM: stlink will work wiht both for cheap, ulink is keil only. thou I think ulink now has cmsis-dap firmware which both support.
2014-08-05T04:49:10 < aadamson> *well you can use it*, but you'd violate the license... why didn't you just say that
2014-08-05T04:49:38 < dongs> wiat wt
2014-08-05T04:49:43 < dongs> no flash breakpoints in bASE?
2014-08-05T04:49:59 < dongs> i guess just the 6 or whatever hardware ones
2014-08-05T04:50:08 < dongs> hardware cortex breakpoints
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2014-08-05T04:51:14 < dongs> if you plan to have more than 6 breakpoints at a time, maybe.
2014-08-05T04:51:34 < dongs> blackmagic shit also might work, you'd probly have teo configure it as a generic gdbserver
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2014-08-05T04:52:25 < aadamson> http://segger.com/jlink-unlimited-flash-breakpoints.html looks like correct 2 on arm7/9 and 4 to 6 on cortex-m
2014-08-05T04:53:54 < aadamson> correct
2014-08-05T04:53:59 < dongs> right, just the hardware ones
2014-08-05T04:54:01 < aadamson> the base only supports hardware bps
2014-08-05T04:54:13 < aadamson> the other support ulimited
2014-08-05T04:54:16 < aadamson> unlimited
2014-08-05T04:55:09 < dongs> i wonder if there's LPC1488
2014-08-05T04:55:30 < dongs> http://en.wikipedia.org/wiki/Fourteen_Words
2014-08-05T04:56:13 < dongs> white supremacist mcu
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2014-08-05T04:59:38 < dongs> no
2014-08-05T04:59:55 < dongs> you arent running code from ram on a mcu
2014-08-05T05:00:38 < dongs> zyp: 0.65$/cable for 500.
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2014-08-05T05:01:55 < dongs> i've ran out of hardware breakpoints in ulink before.
2014-08-05T05:02:03 < dongs> it just says "cannot add more"
2014-08-05T05:02:09 < dongs> on this platform or something
2014-08-05T05:02:17 < zyp> dongs, ok
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2014-08-05T05:02:54 < dongs> no, it will have 6 hardware breakpoints.
2014-08-05T05:03:40 < dongs> "Without this feature, the number of breakpoints which can be set in flash is limited to the number of hardware breakpoints supported by the debug unit of the CPU (2 on ARM 7/9, 4-6 on Cortex-M)."
2014-08-05T05:03:49 < dongs> its an option.
2014-08-05T05:03:53 < dongs> you can either add its license to BASE
2014-08-05T05:03:56 < dongs> or get something that includes it.
2014-08-05T05:04:25 < dongs> http://segger.com/compare-us.html
2014-08-05T05:04:39 < dongs> yellow = can be added
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2014-08-05T05:12:21 < dongs> ulink only works wiht keil or with stuff supporting cmsis
2014-08-05T05:12:35 < dongs> and again, no flash breakpoints
2014-08-05T05:12:44 < dongs> er cmsis-dap
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2014-08-05T05:18:15 < dongs> armcc. their own, nobody elses uses it.
2014-08-05T05:18:19 < dongs> keil also "could" use gcc.
2014-08-05T05:18:23 < dongs> but I never got that to work.
2014-08-05T05:19:37 < zyp> wow
2014-08-05T05:19:47 < zyp> just got tracking number for my openvizsla
2014-08-05T05:19:55 < dongs> haha
2014-08-05T05:19:55 < dongs> no shit
2014-08-05T05:20:04 < dongs> zyp, and you also just got invoice for flat connectors
2014-08-05T05:20:55 < dongs> No photos for this update, my living room is a mess of circuit boards and packing materials.  I've sent out at least 100 OpenVizslas. The $1000 and $500 tiers should all be taken care of by now; I'm now in the middle of the $250 backer shipments (which involve testing each unit, putting it in a case, testing it, and sending it out).  They should start trickling onto your doorsteps any day now -- a lucky few have already received theirs.
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2014-08-05T05:24:20 < zyp> paid
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2014-08-05T05:37:17 < upgrdman> lol   http://www.ebay.com/itm/ST-Link-V2-mini-STM8-STM32-Emulator-Downloader-Programming-Unit-Random-Color-/371115883231?&_trksid=p2056016.l4276
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2014-08-05T06:27:26 < dongs> ya
2014-08-05T06:27:28 < dongs> those are cute
2014-08-05T06:27:38 < dongs> they come in all sorts of nice colors
2014-08-05T06:30:32 < upgrdman> i wonder what the 3v rail can handle
2014-08-05T06:30:42 < dongs> 7803
2014-08-05T06:30:55 < upgrdman> so 500ma?
2014-08-05T06:32:17 < dongs> zyp, so you want EMS this time instead of DHL? might be more expensive or somethin.
2014-08-05T06:35:40 < jadew> any idea where I can find the instruction set + the timing for each instruction? I remember I found a document like that a few days ago, but I can't remember which one it was
2014-08-05T06:37:01 < GargantuaSauce> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0439b/CHDDIGAC.html
2014-08-05T06:37:06 < GargantuaSauce> google helps loads
2014-08-05T06:37:29 < jadew> awesome, I actually ended on that document, but probably on another page
2014-08-05T06:37:42 < jadew> thanks
2014-08-05T06:39:43 < upgrdman> GargantuaSauce: are you also "slavetothesauce" ?
2014-08-05T06:39:52 < GargantuaSauce> ya
2014-08-05T06:40:02 < GargantuaSauce> though i wont be using that much anymore
2014-08-05T06:40:08 < upgrdman> o ok
2014-08-05T06:40:54 < GargantuaSauce> i am Ultrasauce on occasion also
2014-08-05T06:41:34 < upgrdman> nice
2014-08-05T06:41:50 < upgrdman> what kind of turnaround to the cheap pcb house tend to have? itead, etc.
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2014-08-05T06:42:08 < upgrdman> dirtypcb's got mine shipped within 6 days. seems pretty quick
2014-08-05T06:42:17 < GargantuaSauce> yeah i think that is below average
2014-08-05T06:42:58 < GargantuaSauce> received em yet?
2014-08-05T06:43:06 < upgrdman> no. they just shipped from china
2014-08-05T06:43:27 < GargantuaSauce> ah. let me know how the quality is, been considering them
2014-08-05T06:43:27 < upgrdman> but i paid for fast shipping, so "3-5 days" and should be here in cali
2014-08-05T06:43:31 < upgrdman> will do
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2014-08-05T07:10:14 < rewolff> upgrdman: itead / seeed / elecrow have a turnaround of 5-6 days. They start counting "when they wake up" after you send in the files.
2014-08-05T07:11:15 < rewolff> Then, the PCBs are ready after 5-6 days, and they call them "shipped", but in fact they put them on transport to their shipping company. They tell DHL or FedEx about your package in about 24 hours after they get it.....
2014-08-05T07:11:29 < rewolff> and then DHL picks it up withing about 24 hours after that....
2014-08-05T07:11:48 < rewolff> in short, it can be three more days after "shipping" before DHL starts out.....
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2014-08-05T07:26:04 < GargantuaSauce> oh havent seen you around in awhile
2014-08-05T07:26:07 < GargantuaSauce> how go the rf battles
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2014-08-05T07:31:05 < upgrdman> rewolff: o ok. thanks for the info
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2014-08-05T07:35:34 < upgrdman> dongs: does keil or other pro shit have a compiler with c enum type safety?
2014-08-05T07:36:17 < upgrdman> :) what?
2014-08-05T07:36:43 < GargantuaSauce> so you mean....not c?
2014-08-05T07:37:07 < upgrdman> an extension if you will, but yes. i know it's not part of c
2014-08-05T07:37:25 < GargantuaSauce> one more reason to use c++ i guess
2014-08-05T07:37:36 < GargantuaSauce> not that that is necessarily a thing i advocate
2014-08-05T07:38:04 < upgrdman> this just seems like something that would be nice, and would be trivial for the parser to warn/error on
2014-08-05T07:38:36 < GargantuaSauce> i remember there being a really strong argument for it working the way it does, but i can't remember what it was
2014-08-05T07:38:54 < upgrdman> ok :(
2014-08-05T07:39:01 < GargantuaSauce> but the way c++ actually uses the enum as a namespace is definitely better
2014-08-05T07:39:08 < upgrdman> agreed
2014-08-05T07:41:00 < GargantuaSauce> not really. i do still think c is the better choice for a microcontroller platform
2014-08-05T07:42:52 < GargantuaSauce> one major reason is that only a subset of c++ is usable. very significant chunks of the language need to be ignored for it to be suitable
2014-08-05T07:43:30 < GargantuaSauce> exceptions are the big one
2014-08-05T07:43:45 < upgrdman> templates too, iirc
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2014-08-05T07:45:20 < GargantuaSauce> overhead, and they don't play nicely with interrupts
2014-08-05T07:45:32 < GargantuaSauce> afaik templates are fine unless abused to the point where the binary is huge
2014-08-05T07:46:24 < GargantuaSauce> another qualm i have with c++ on a mcu is the fact that several language features are very tightly coupled to the standard library
2014-08-05T07:46:52 < GargantuaSauce> and the runtime is full of rather nontrivial stuff
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2014-08-05T07:47:50 < GargantuaSauce> but i do acknowledge that many people do use it to great effect (by cutting out exceptions, rtti, etc)
2014-08-05T07:48:13 < GargantuaSauce> man you can write flexible and structured c
2014-08-05T07:48:24 < GargantuaSauce> c++ doesnt really bring anything that new to the table in that domain
2014-08-05T07:49:31 < GargantuaSauce> you can do all the same techniques in c
2014-08-05T07:52:23 < upgrdman> you just have to manager structs instead of objects
2014-08-05T07:52:37 < upgrdman> convenient for many applications
2014-08-05T07:52:50 < upgrdman> applic as in use cases, not as in Apps
2014-08-05T07:52:54 < GargantuaSauce> for OO syntactic sugar and a meandering feature clusterfuck with a shitty standard library
2014-08-05T07:52:58 < GargantuaSauce> cough.
2014-08-05T07:53:56 < GargantuaSauce> disclaimer: c++ is my language of choice for desktop applications
2014-08-05T07:54:57 < upgrdman> sometime i fell retarded :( been working on an algorithm for touchscreen presses to split the screen into <  >  ^  \/ sections that can be touched. was looking into how to see if a point lies in a triangle and everything. then i realized it as trivial as looking at x>y, x<y, x>-y, x<-y ... such fail.
2014-08-05T07:55:11 < GargantuaSauce> if it's square :)
2014-08-05T07:55:15 < upgrdman> no
2014-08-05T07:55:21 < upgrdman> i got it working as triangles
2014-08-05T07:55:44 < upgrdman> like split the screen with an "X" ... touch the left, right, top, bottom triangles works now
2014-08-05T07:55:51 < upgrdman> cleanly too.
2014-08-05T07:56:04 < jpa-> upgrdman: some compilers do warn about non-typesafe enums, i think clang does it also in the most significant cases
2014-08-05T07:56:23 < jpa-> upgrdman: however, those warnings break all stuff that uses enums as flags
2014-08-05T07:56:25 < upgrdman> ya. i found a dickexchange post listing clang. but no dice with gcc :(
2014-08-05T07:56:39 < ds2> C++ was invented so people can sell bigger processors and more memory
2014-08-05T07:57:09 < upgrdman> enums as flags?
2014-08-05T07:57:31 < jpa-> enum foobar { A = 1, B = 2, C = 4} then A | B | C
2014-08-05T07:57:59 < upgrdman> hmmm
2014-08-05T07:59:41 < GargantuaSauce> i think my favourite single statement about c++ is that since templates are turing complete, the decision problem of whether a given file is valid c++ is undecidable
2014-08-05T08:00:20 < upgrdman> lol
2014-08-05T08:00:26 < jpa-> the problem whether a given file is C with defined behaviour is undecidable also
2014-08-05T08:00:41 < GargantuaSauce> well yes of course
2014-08-05T08:15:05 < upgrdman> rotfl   https://www.youtube.com/watch?v=yQsTY1QeEZQ&t=2m0s
2014-08-05T08:18:01 < GargantuaSauce> ...whyyy
2014-08-05T08:18:24 < upgrdman> yup
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2014-08-05T09:58:37 < dongs> http://www.ebay.com/itm/151374073989 wat
2014-08-05T09:59:40 < jpa-> SSD for your 8086
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2014-08-05T10:41:29 < englishman> Holy shit r2com is back
2014-08-05T10:42:04 < PaulFertser> Don't make him ragequit this time!
2014-08-05T10:44:51 < dongs> http://www.malinov.com/Home/sergeys-projects/sergey-s-xt haha
2014-08-05T10:44:57 < dongs> from the same guy who did taht ISA SSD thing
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2014-08-05T11:35:29 < akaWolf1> englishman: what is r2com?
2014-08-05T11:38:00 < akaWolf1> Sergey Kiselev
2014-08-05T11:38:11 < akaWolf1> russian guy
2014-08-05T11:39:22 < PaulFertser> dongs: btw, the most pro jtag solution is Lauterbach I guess.
2014-08-05T11:42:28 < akaWolf1> englishman: ah, it's nick :)
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2014-08-05T12:35:35 < dongs> PaulFertser: sure, but nothing supports it.
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2014-08-05T12:42:50 < Tectu> yo dongs, haw's it bloggin'
2014-08-05T12:45:05 < dongs> pretty hard
2014-08-05T12:45:15 < dongs> need to finish firmwarea for a 3 core stm32 board
2014-08-05T12:45:20 < dongs> all talking by SPI
2014-08-05T12:45:25 < dongs> jadew-class project
2014-08-05T12:45:28 < dongs> (by tomorow)
2014-08-05T12:51:38 < Laurenceb_> lol 3 core
2014-08-05T12:51:42 < Laurenceb_> sounds tarduino
2014-08-05T12:51:49 < dongs> super pro
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2014-08-05T13:09:47 < scrts_w> dongs: you have a blog? :-)
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2014-08-05T13:10:16 < dongs> just the tarduino.cc one that I dont update
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2014-08-05T13:11:12 < dongs> by far the best post on it http://www.tarduino.cc/2013/04/the-open-sores-mentality.html
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2014-08-05T13:20:45 < dongs> http://www.infokingsoftware.com/wp-content/uploads/2014/03/1.jpg
2014-08-05T13:23:38 < scrts_w> :))
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2014-08-05T13:27:52 < akaWolf1> Idea of Open Source is not such, which you are presented.
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2014-08-05T13:31:20 < jpa-> sure it is
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2014-08-05T13:33:27 < akaWolf1> jpa-: ?
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2014-08-05T14:01:23 < dongs> http://www21.atwiki.jp/mcmaster/ sweet
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2014-08-05T14:35:24 < Steffanx> poor beaky
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2014-08-05T14:35:58 < Steffanx> The STM32F3x4 product line is specifically addressing digital power conversion applications, such as D-SMPS ... trolol beaky
2014-08-05T14:36:34 < jpa-> yeah, they finally got hires timers also
2014-08-05T14:36:36 -!- Viper168_ is now known as Viper168
2014-08-05T14:37:03 < jpa-> which are so complex that if anyone ever tries to use them, we will be discussing it for 15 months (considering that getting an open drain pin to work takes a week)
2014-08-05T14:37:33 < Steffanx> 2 weeks.
2014-08-05T14:38:08 < Steffanx> So how is friend of ##stm32 doing nowadays?
2014-08-05T14:38:45 < Steffanx> So the smps project is going wel.
2014-08-05T14:39:39 < Steffanx> It feels like it's christmas, first r2com back, now beaky is back too.
2014-08-05T14:39:45 < Steffanx> now all we need is izua.
2014-08-05T14:39:48 < zyp> hmm, wonder if that chip is suited for BLDC control
2014-08-05T14:41:44 < jpa-> aren't pretty much every stm32 suitable for bldc control?
2014-08-05T14:41:50 < zyp> yeah
2014-08-05T14:41:57 < zyp> but extra suited!
2014-08-05T14:42:02 < zyp> :p
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2014-08-05T14:43:50 < hornang> What is "PPP" and "MSP"?
2014-08-05T14:44:26 < Steffanx> lol i guess one of the customers of ST need an irc interface for some remote control. .. IRTIM and a high sink LED driver.
2014-08-05T14:44:33 < Steffanx> *IR
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2014-08-05T15:25:38 < Laurenceb_> <Islam> hi there
2014-08-05T15:25:39 < Laurenceb_> <Islam> could you please help?I get stuck in receiving gps data
2014-08-05T15:25:43 < Laurenceb_> ^not sure if troll
2014-08-05T15:29:47 < Steffanx> ask him
2014-08-05T15:30:00 < Steffanx> You can talk in #highaltitude not?
2014-08-05T15:38:10 < dongs> https://dl.dropboxusercontent.com/u/529089/IMG_6727.jpg
2014-08-05T15:38:30 < dongs> this looks like lauwrenceb class project
2014-08-05T15:40:20 < effractur> lol wut
2014-08-05T15:40:27 < effractur> like
2014-08-05T15:40:36 < effractur> i need hot water
2014-08-05T15:41:31 < effractur> how does that work
2014-08-05T15:41:38 < effractur> that is more than 16A
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2014-08-05T15:48:42 < effractur> i.imgur.com/UJMgo8B.jpg
2014-08-05T15:49:11 < effractur> dongs: ^^
2014-08-05T15:49:37 < dongs> seen before
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2014-08-05T16:06:39 < PaulFertser> That pool's likely not grounded anyway.
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2014-08-05T16:09:40 < PaulFertser> Also, RCDs
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2014-08-05T17:12:28 < madist> effractur: https://www.youtube.com/v/dcrY59nGxBg
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2014-08-05T17:13:15 < dongs> keil added [ ] use C99 checkbox into compiler GUI
2014-08-05T17:13:15 < dongs> in 5.11a or whatnot
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2014-08-05T17:14:25 < madist> c is for kids
2014-08-05T17:19:51 < dongs> that fucking video
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2014-08-05T17:23:11 < madist> all his videos are good
2014-08-05T17:24:37 < hornang> wow, that guy does stuff I always wondered about
2014-08-05T17:28:51 < dongs> https://www.youtube.com/watch?v=5ziNegp4yZs#t=24
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2014-08-05T17:36:58 < jadew> hahaha, I just couldn't help myself from laughing at "let me just put my finger in the water and see..."
2014-08-05T17:37:16 < jadew> "auu..."
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2014-08-05T17:40:19 < superbia> for all pilots https://www.youtube.com/watch?v=wI6fgmuk2rM
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2014-08-05T17:43:24 < jadew> can that stuff hold a camera?
2014-08-05T17:44:18 < superbia> well im just gettin into rc hobby.. im sure some of the pilots in here got that device so u can ask them
2014-08-05T17:45:22 < dongs> you should kill yourself instead
2014-08-05T17:45:29 < dongs> before you kill someone else
2014-08-05T17:49:53 < Laurenceb_> http://news.bbcimg.co.uk/media/images/76748000/jpg/_76748124_163cb6f1-94b5-4eba-8e7d-8137d1771231.jpg
2014-08-05T17:49:55 < Laurenceb_> i lolled
2014-08-05T17:50:35 < englishman> Drones are illegal in freedomland, thankfully
2014-08-05T17:50:37 < englishman> So unless you're part of the military-industrial complex, don't even bother
2014-08-05T17:51:55 < superbia> relax dongs
2014-08-05T17:52:02 < superbia> this should help u son http://420.moe/
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2014-08-05T18:32:51 < Posterdati> hi
2014-08-05T18:33:22 < Posterdati> defenitely nRF51822 is pure crap, damn!
2014-08-05T18:33:29 < dongs> laff
2014-08-05T18:33:34 < dongs> its like zyp rants all over again
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2014-08-05T18:38:06 < Posterdati> this softdevice is useless, cannot figure how make the damn thing work with gcc
2014-08-05T18:38:27 < dongs> the problem is you trying to make it work with gcc
2014-08-05T18:38:30 < dongs> its made for real compilers.
2014-08-05T18:39:55 < Posterdati> gcc is a real compiler, are you talking about 3k$ keil crap?
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2014-08-05T18:40:35 < dongs> man
2014-08-05T18:40:40 < dongs> how the fuck im gonna debug this triple core shit
2014-08-05T18:41:09 < dongs> bedtime
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2014-08-05T18:42:58 < dongs> wait
2014-08-05T18:43:03 < dongs> do I need USB_DP pullup on F4?
2014-08-05T18:43:10 < dongs> or is that internal
2014-08-05T18:43:18 < dongs> i guess its internal cuz OTG
2014-08-05T18:47:10 < zyp> yeah, it's internal
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2014-08-05T19:06:18 < Posterdati> zyp: hi
2014-08-05T19:06:27 < zyp> hi
2014-08-05T19:06:40 < Posterdati> zyp: I'm in trouble with an nRF51822 and its softdevice
2014-08-05T19:06:45 < Posterdati> lol
2014-08-05T19:07:00 < zyp> …
2014-08-05T19:07:57 < Posterdati> I was able to compile a led blinking test not using softdevice api, as I try to use it, it hardfaults
2014-08-05T19:09:38 < Posterdati> I suppose that arm startup and config code is ok, it's a matter of that softdevice and its damned svc call
2014-08-05T19:10:15 < Posterdati> I hate closed software stuff
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2014-08-05T19:15:57 < rewolff1> Oh. SOrry. I have the 334 nucelo, not the discovery.
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2014-08-05T23:18:13 < superbia> b o n e r
2014-08-05T23:18:15 < superbia> http://www.theregister.co.uk/2014/08/05/boffins_turn_passive_objects_into_visual_microphones/
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2014-08-05T23:49:56 < Tectu> how does one decide whether you want LiPo or LiIon in your application?
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2014-08-05T23:51:00 < zyp> you want lipo
2014-08-05T23:51:19 < jadew> what's the difference?
2014-08-05T23:52:03 < Tectu> zyp, can you elaborate?
2014-08-05T23:52:16 < zyp> lipo is a newer variant of liion, and there's not really any reasons to stick with the older variants
2014-08-05T23:52:34 < Tectu> how difficult are they to halnde?
2014-08-05T23:52:36 < Tectu> handle*
2014-08-05T23:52:43 < zyp> handle how?
2014-08-05T23:52:47 < Tectu> as in charging and discharing conditions
2014-08-05T23:52:53 < jadew> Tectu, you can use a chip that does that
2014-08-05T23:52:59 < jadew> or you can follow the datasheet
2014-08-05T23:53:11 < zyp> charging controller chips costs ~nothing
2014-08-05T23:53:11 < jadew> constant current until X, constant voltage until X, done
2014-08-05T23:53:20 < Tectu> okay
2014-08-05T23:53:27 < Tectu> do you guys have some sane source to get cheap LiPo cells?
2014-08-05T23:53:28 < qyx_> you can charge beaky style also
2014-08-05T23:53:33 < superbia> if u are 1337 u will use LiFePo4's
2014-08-05T23:53:36 < Tectu> qyx_, context?
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2014-08-05T23:54:07 < qyx_> you should use at least some quadcore arm for that
2014-08-05T23:54:23 < Tectu> wait, that beaky guy that used to hang out here?
2014-08-05T23:54:36 < Tectu> ah, that dude...
2014-08-05T23:54:47 < Tectu> I am still not sure if that superbia dude is probably his twin
2014-08-05T23:54:58 < superbia> evil twin
2014-08-05T23:55:01 < Tectu> jadew, you serious?
2014-08-05T23:55:06 < jadew> Tectu, no :P
2014-08-05T23:55:25 < qyx_> partially
2014-08-05T23:55:29 < qyx_> you wanted a context
2014-08-05T23:55:42 < Tectu> why are there so many useless people on the internet.
2014-08-05T23:55:49 < jadew> in all honesty tho, he's taking the right aproach to learning how things work
2014-08-05T23:56:05 < qyx_> i wouldn't dare to say he is useless
2014-08-05T23:56:10 < Tectu> indeed, but there are borders, jadew
2014-08-05T23:56:41 < jadew> Tectu, it's a matter of taste and how one's learning process works
2014-08-05T23:56:41 < qyx_> like - look at dongs
2014-08-05T23:56:55 < Tectu> dongs is super helpful
2014-08-05T23:56:57 < Tectu> (not kidding)
2014-08-05T23:57:16 < Tectu> so are people like jpa- and zyp (and obviously you guys)
2014-08-05T23:57:30 < Tectu> but I wouldn't say that I am always helpful, too
2014-08-05T23:57:42 < qyx_> eventually
2014-08-05T23:57:55 < qyx_> somewhen, meh
2014-08-05T23:58:14 < Tectu> I'm wondering if I should buy individual cells or go for an R/C package to power some music box.
2014-08-05T23:58:34 < Tectu> I'm targetting somewhere between 10Ah and 20Ah
2014-08-05T23:58:44 < qyx_> rc packs are not suitable choice for general electronics
2014-08-05T23:58:52 < qyx_> they lack standard protection circuit
2014-08-05T23:58:59 < Tectu> qyx_, so do these
2014-08-05T23:58:59 < Tectu> http://www.aliexpress.com/item/3pcs-lot-3-7V-1100mah-15C-1S-VOLT-20C-Lipo-Battery-Akku-For-RC-Helicopter-free/528961030.html
2014-08-05T23:59:04 < qyx_> over/under voltage, over-current
2014-08-05T23:59:38 < qyx_> i use some nexcells
2014-08-05T23:59:39 < qyx_> mmt
2014-08-05T23:59:48 < Tectu> mmt?
--- Day changed Wed Aug 06 2014
2014-08-06T00:00:09 < qyx_> ein mo!ment
2014-08-06T00:00:41 < Tectu> hrhr
2014-08-06T00:00:57 < qyx_> nexcell PL 503040
2014-08-06T00:00:59 < Tectu> I remember reading something about new LiFe or what ever a couple of years ago. Is that a go now?
2014-08-06T00:01:06 < Tectu> or are they targetting different application?
2014-08-06T00:01:14 < qyx_> even google doesn't now them, interesting
2014-08-06T00:02:08 < qyx_> may be feasible choice if you need couple of AH's
2014-08-06T00:02:11 < Tectu> qyx_, all those nexcell battery sites looks like some TV shopping channel ripp-off?
2014-08-06T00:02:26 < Tectu> http://www.nexcellmobile.com/
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2014-08-06T00:03:11 < Tectu> qyx_, so there are cells with built-in electronic so I don't have to worry anymore?
2014-08-06T00:03:23 < Tectu> I never worked with battery powered applications before
2014-08-06T00:03:38 < qyx_> you always have to worry about charging
2014-08-06T00:03:55 < qyx_> or mostly, batteries with charging circuit included are not that common
2014-08-06T00:04:08 < qyx_> actually i haven't seen any
2014-08-06T00:04:46 < qyx_> but most of "standard" batteries do have at least UV/UV/OC circuit
2014-08-06T00:04:55 < qyx_> some also 10K NTC
2014-08-06T00:05:06 < Tectu> I see
2014-08-06T00:05:13 < Tectu> LiFePo it was
2014-08-06T00:05:41 < qyx_> never used them
2014-08-06T00:05:42 < Tectu> qyx_, this looks like what I want:   http://geb.en.alibaba.com/product/688762101-214883688/high_quality_competive_price_rechargeable_12V_60ah_lifepo4_battery_packs.html
2014-08-06T00:05:53 < qyx_> probably they don't even need cell balancing
2014-08-06T00:07:26 < Tectu> again, I don't know about batteries... how comes that they are rated as "no memory effect" but have a limited life span (cycles) ?
2014-08-06T00:07:27 < qyx_> i have only seen these http://upload.ecvv.com/upload/Product/201112/China_LiFePo4_battery_packs201112131111335.jpg
2014-08-06T00:07:59 < qyx_> you are probably asking the wrong person :P
2014-08-06T00:08:18 < Tectu> why is jpa- always in sauna mode when you need him
2014-08-06T00:08:54 < qyx_> i heard nice comparison once
2014-08-06T00:09:08 < qyx_> battery with memory effect is like glass of milk
2014-08-06T00:09:55 < qyx_> you drink half of it and then fill it again
2014-08-06T00:10:07 < qyx_> and again each day
2014-08-06T00:11:05 < jadew> holds true for all batteries tho
2014-08-06T00:11:18 < jadew> they all go bad soon enough
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2014-08-06T00:13:21 < Tectu> qyx_, probably I'll check out those eneloops
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2014-08-06T00:14:04 < Tectu>  2450 mAh per AA cell
2014-08-06T00:14:07 < qyx_> nimh? i don't like them
2014-08-06T00:14:21 < Tectu> are they nimh?
2014-08-06T00:14:26 < Tectu> I thought they are some LiIon or what ever
2014-08-06T00:14:31 < qyx_> afaik yes
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2014-08-06T00:14:39 < qyx_> 1.2V 2000mAh
2014-08-06T00:14:47 < qyx_> where did you find 2450?
2014-08-06T00:14:50 < Tectu> Nickel Metal Hydride
2014-08-06T00:14:51 < Tectu> right
2014-08-06T00:14:54 < Tectu> http://www.panasonic-eneloop.eu/eneloop-products/eneloop-batteries/eneloop-pro.html$
2014-08-06T00:14:56 < Tectu> http://www.panasonic-eneloop.eu/eneloop-products/eneloop-batteries/eneloop-pro.html
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2014-08-06T00:15:21 < qyx_> aha, they increased capacity in the "pro" version
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2014-08-06T00:16:01 < Tectu> qyx_, why should I not go for nimh?
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2014-08-06T00:16:07 < Tectu> beside that I can throw them away in two weeks
2014-08-06T00:18:14 < qyx_> bad capacity to weight ratio
2014-08-06T00:18:28 < qyx_> on the other hand they don't need balancing circuit when connected in series
2014-08-06T00:18:59 < Tectu> and I can simply use an official wallwart charger
2014-08-06T00:19:28 < Tectu> I am very afraid of fucking stuff up with Li* so shit hits the fan
2014-08-06T00:19:33 < Tectu> I don't want to burn down anything :P
2014-08-06T00:19:39 < Tectu> that's really my only concern
2014-08-06T00:20:08 < qyx_> that's why there are protection circuits
2014-08-06T00:20:20 < Tectu> qyx_, but inside the cells, right?
2014-08-06T00:20:25 < qyx_> and that's why chinese lowcost clones like to burn
2014-08-06T00:20:36 < qyx_> if they omitted some
2014-08-06T00:20:37 < Tectu> qyx_, also, the 2450mAh of the enelooop pro is per cell, not the pack of 4, I hope?
2014-08-06T00:21:21 < qyx_> depends, 1.2V/2450mAh
2014-08-06T00:21:24 < Tectu> qyx_, where did you get that cells from that you mentioned?
2014-08-06T00:21:54 < qyx_> local shop, gme.sk
2014-08-06T00:21:57 < qyx_> for about 4e
2014-08-06T00:22:04 < qyx_> but they are smal, 600mAh
2014-08-06T00:22:14 < Tectu> yeah, I came across them on google
2014-08-06T00:22:14 < qyx_> *ll
2014-08-06T00:22:37 < Tectu> are there other cells with higher capacities that come with built-in protection circuits?
2014-08-06T00:23:42 < Tectu> "LI-PO batteries are prone to explosion if just about anything goes wrong. You overcharge them--They explode, you discharge them too rapidly--They explode, You drop them--They explode, you get them too hot--They explode, you look at them the wrong way--They explode"
2014-08-06T00:24:21 < qyx_> you need to be very rude to them to make them explode
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2014-08-06T00:29:47 < englishman> Yeah that really exaggerates them
2014-08-06T00:29:47 < jadew> I guess they're the wrong batteries to use in a vibrator
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2014-08-06T00:32:46 < Tectu> qyx_, http://www.ebay.com/itm/3-7V-6000mAh-3691155-Li-Po-Polymer-Battery-For-Power-bank-Tablet-PC-Cell-speaker-/171300435614?pt=US_Rechargeable_Batteries&hash=item27e24d369e
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2014-08-06T00:38:29 < zyp> heh
2014-08-06T00:39:04 < zyp> I remember dropping my quadrotor from pretty high once and was surprised that it didn't harm the battery
2014-08-06T00:39:13 < qyx_> nice, hopefully china doesn't have problem with airmail export restrictions again
2014-08-06T00:39:33 < Tectu> should one be worrying?
2014-08-06T00:40:20 < qyx_> i didn't get my 20pcs of 18650 cells once because of it
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2014-08-06T01:17:59 < englishman> Dongs
2014-08-06T01:18:02 < englishman> toddpratt> beaky: what do you do?
2014-08-06T01:18:36 < englishman> This guy?
2014-08-06T01:18:51 < englishman> Same guy?
2014-08-06T01:19:04 < dongs> ahjahhaha
2014-08-06T01:19:05 < dongs> yes of course
2014-08-06T01:19:14 < dongs> where is this
2014-08-06T01:19:24 < englishman> Secret chats
2014-08-06T01:19:32 < dongs> laff
2014-08-06T01:20:22 < englishman> Overclock it
2014-08-06T01:21:46 < Steffanx>   come on beaky ..
2014-08-06T01:22:03 < Steffanx> Ask your ##electronics friends
2014-08-06T01:23:50 < dongs> ##stonertronics
2014-08-06T01:26:22 < englishman> Aren't u in dubai
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2014-08-06T01:26:39 < Tectu> so standard 0603 resistors
2014-08-06T01:26:44 < Tectu> do I want 0603 in or mm ?
2014-08-06T01:26:48 < Tectu> it looks like both exist
2014-08-06T01:26:57 < englishman> ............
2014-08-06T01:27:15 < dongs> Tectu: i got some 0603 resistors once
2014-08-06T01:27:17 < dongs> i couldnt see them
2014-08-06T01:27:43 < englishman> Don't you have slaves do that for you
2014-08-06T01:28:02 < Tectu> dongs, I never had any issues with 0603, just never bothered to buy them by myself so far so I am confused if it's 0603 in in or mm
2014-08-06T01:28:16 < dongs> 1608 in mm.
2014-08-06T01:28:34 < Tectu> trolol
2014-08-06T01:28:58 < englishman> 0603 = 6 thousandths of an inch x 3 thousandths
2014-08-06T01:29:03 < englishman> No?
2014-08-06T01:29:32 < dongs> 0603 in whatever fucked up inch units, or 1.6x0.8 in mm
2014-08-06T01:32:20 < ds2> bah 0603 is huge
2014-08-06T01:32:50 < dongs> not 0603 metric isnt
2014-08-06T01:33:03 < ds2> blah metric
2014-08-06T01:33:20 < dongs> 0603 metric = 0201
2014-08-06T01:35:09 < ds2> 0201 isn't THAT bad
2014-08-06T01:35:31 < dongs> only if you use kikecad
2014-08-06T01:36:16 < zyp> try 01005
2014-08-06T01:38:20 < ds2> that is a bit small
2014-08-06T01:38:41 < ds2> too bad they don't have nice beefy caps in 0201
2014-08-06T01:38:45 < ds2> like 10uF @ 100V
2014-08-06T01:38:57 < emeb> haha
2014-08-06T01:39:41 < ds2> solves some bga bypassing issues
2014-08-06T01:40:58 < zyp> what fpgas are you using that requires a 100V supply?
2014-08-06T01:41:06 < Tectu> LOL
2014-08-06T01:41:46 < dongs> cold war era FPGAs
2014-08-06T01:41:51 < dongs> made with tubes
2014-08-06T01:41:52 < Tectu> UdSSR FPGA
2014-08-06T01:41:57 < dongs> ^
2014-08-06T01:42:05 < Tectu> gotta heat it up 2 hours before use
2014-08-06T01:43:20 < ds2> none
2014-08-06T01:43:32 < ds2> but at 0201 sizes, the dielectric derating would require a 100V rating
2014-08-06T01:44:40 < dongs> you can make them nice and tall
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2014-08-06T03:12:37 < dongs> hm i might have an ethernet proj coming up
2014-08-06T03:12:43 < dongs> time to find out if keil tcp stack is usable
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2014-08-06T04:19:53 < AndreeeCZ> how many cycles would this be? if (rFMs[2]>1.f) <nop>
2014-08-06T04:20:14 < AndreeeCZ> i mean hello :)
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2014-08-06T04:20:32 < AndreeeCZ> is loading from a regular var faster than loading from an array?
2014-08-06T04:28:38 -!- ntfreak [~ntfreak@unaffiliated/ntfreak] has quit [Ping timeout: 255 seconds]
2014-08-06T04:30:39 < dongs> whats an array
2014-08-06T04:32:06 < emeb_mac> haha
2014-08-06T04:32:45 < emeb_mac> http://www.vla.nrao.edu/
2014-08-06T04:33:05 < emeb_mac> that's an array
2014-08-06T04:33:52 < dongs> wehre's the pic that shows everything
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2014-08-06T04:35:21 < emeb_mac> http://images.nrao.edu/Telescopes/VLA/298
2014-08-06T04:36:11 < dongs> nice
2014-08-06T04:36:29 < emeb_mac> It's a neat place - been there a couple times
2014-08-06T04:36:38 < emeb_mac> it's about 5hr drive away
2014-08-06T04:36:38 < dongs> are tehy using stm32 to rotate dishes
2014-08-06T04:37:00 < emeb_mac> prolly Z-80
2014-08-06T04:44:16 < dongs> youre probably not wrong
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2014-08-06T05:18:32 < dongs> wat
2014-08-06T05:18:46 < dongs> is that *recent* info>
2014-08-06T05:19:08 < dongs> http://www.segger.com/IDE_Integration_Rowley.html this ?
2014-08-06T05:19:14 < dongs> 2.1 is mega old
2014-08-06T05:23:25 < dongs> i suppose i could load a proj and add a bunch of breakpoints.
2014-08-06T05:23:35 < dongs> with 3.2.0
2014-08-06T05:26:13 < dongs> em::blocks?
2014-08-06T05:26:16 < dongs> some freetard stuff
2014-08-06T05:26:19 < dongs> i think emeb_mac uses it
2014-08-06T05:27:40 < dongs> AS isnt bad at all
2014-08-06T05:40:11 < dongs> isnt sam-ice just rebranded jlink
2014-08-06T05:40:25 < dongs> yas it is
2014-08-06T05:40:28 < dongs> except tied to SAM4 family
2014-08-06T05:40:56 < dongs> or sam*whatever
2014-08-06T05:41:15 < dongs> why the fuck was this in google image search results for sam-ice
2014-08-06T05:41:15 < dongs> http://files.breastcomedy-2.webnode.cz/system_preview_detail_200000810-86e3588d76-public/Samice%20neandrt%C3%A1lce..JPG
2014-08-06T05:46:49 < emeb_mac> lol
2014-08-06T05:46:56  * emeb_mac runs for brainwash
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2014-08-06T06:31:06 < AndreeeCZ> hi again! I need some help understanding vector operations - is this correct?
2014-08-06T06:31:07 < AndreeeCZ> http://codepaste.net/4rtr4n
2014-08-06T06:40:55 < dongs> looks legit
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2014-08-06T06:44:12 < AndreeeCZ> dongs, thank you
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2014-08-06T07:00:27 < dongs> 100bux for sam-jew
2014-08-06T07:00:34 < dongs> he could probly hax it into a full jlink
2014-08-06T07:00:43 < dongs> well, *I* could, but probly not him
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2014-08-06T07:26:22 < upgrdman> that SAM4E, 16bit adc... but what kind of ENOB?
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2014-08-06T08:03:21 < emeb_mac> how fast is it?
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2014-08-06T08:08:06 < dongs> that uh.
2014-08-06T08:08:10 < dongs> LPC shit has some proper ADC
2014-08-06T08:08:12 < dongs> 80msps or something
2014-08-06T08:08:17 < dongs> assuming you actually need that.
2014-08-06T08:12:52 < emeb_mac> that's what bvernoux uses for the airspy IIRC
2014-08-06T08:13:09 < emeb_mac> but I thought that one is only 12-bit
2014-08-06T08:14:49 < dongs> y
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2014-08-06T08:52:20 < efuentes> has anyone messed with the l0 discovery board yet?
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2014-08-06T09:20:12 < dongs> link
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2014-08-06T09:29:24 < dongs> whagt hte fuck
2014-08-06T09:29:30 < dongs> does NSS_HARD actually work for slave
2014-08-06T09:33:10 < englishman> I never got it to work on master
2014-08-06T09:34:02 < englishman> Tell r2com to buy jlink $8 clone and flash hack crack, unlimited breakpoints bam
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2014-08-06T09:46:42 < dongs> In Hardware mode (refer to Slave select (NSS) pin management on page 676), the
2014-08-06T09:46:42 < dongs> NSS pin must be connected to a low level signal during the complete byte transmit
2014-08-06T09:46:45 < dongs> sequence. In NSS software mode, set the SSM bit and clear the SSI bit in the SPI_CR1
2014-08-06T09:46:49 < dongs> register.
2014-08-06T09:47:05 < dongs> expecting this towork, but i dont see how i can know transfer is done
2014-08-06T09:50:31 < xkonni> if i want an ADC to be accessed by DMA, are there any rules for which stream i should select?
2014-08-06T09:51:55 < qyx_> dongs: doesn't it trigger dma?
2014-08-06T09:54:20 < dongs> i dunno, all i ever did was spi master and shit is easy there
2014-08-06T09:54:29 < dongs> im trying to figure out how i can do slave that does something useful
2014-08-06T09:54:57 < qyx_> hope it works, i will need it soon
2014-08-06T09:57:01 < dongs> i dont understand how i can load tx buffer with stuff depending on what was in rx
2014-08-06T09:57:12 < dongs> there isnt really enough time to do that either
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2014-08-06T09:59:16 < dongs> i guess i better just do separate transfers
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2014-08-06T10:20:51 < dongs> hm also dumb
2014-08-06T10:21:03 < dongs> if im sending like 200 bytes over, i need same sized rx/tx buffers as far as I can tell
2014-08-06T10:21:08 < dongs> waste
2014-08-06T10:21:13 < dongs> (with DMA
2014-08-06T10:21:31 < dongs> unless I can set RX DMA buffer much smaller and hope it doesnt shit itself
2014-08-06T10:23:54 < jpa-> do you care about received data?
2014-08-06T10:24:43 < dongs> only first couple bytes
2014-08-06T10:24:47 < dongs> (command for next transfer)
2014-08-06T10:25:21 < dongs> its not a big deal, both buffers are < 512bytes if I have to keep them.
2014-08-06T10:25:32 < jpa-> yeah, not easy solution then
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2014-08-06T10:25:39 < dongs> so same sized buffers right?
2014-08-06T10:25:43 < jpa-> if you didn't care at all, you could just use a 1-word dummy buffer
2014-08-06T10:25:53 < jpa-> yeah, that is probably the easiest
2014-08-06T10:25:54 < dongs> right, and no increment
2014-08-06T10:26:01 < jpa-> yeah
2014-08-06T10:26:11 < dongs> wonder what'[ll hapen if my TXDMA is = realsize and RXDMA  = 2 bytes or somethign
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2014-08-06T10:26:45 < jpa-> RXDMA will stop reading from the data register, SPI peripheral will assert the overflow flag and stop transferring data
2014-08-06T10:26:46 < jpa-> IIRC
2014-08-06T10:26:56 < dongs> trash.
2014-08-06T10:27:24 < jpa-> you could have interrupt to switch to dummy buffer at end of RXDMA, but that's maybe too complex
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2014-08-06T10:34:01 < dongs> jpa, i dont think that will happen on time?
2014-08-06T10:34:37 < dongs> master is clocking, i would need to service rxdma end irq, stop rxdma(?), etc.
2014-08-06T10:34:42 < dongs> dont think its gonna happen wtihout losing data
2014-08-06T10:34:47 < jpa-> could be, depending on your SPI speed
2014-08-06T10:35:09 < dongs> ill gettg it working with 2 buffers for now
2014-08-06T10:35:42 < jpa-> should take the 12 cycle interrupt latency + maybe 10 cycles to change the rxdma registers; you have 15 or so spi cycles to use, because there is the shift register and the holding register
2014-08-06T10:36:13 < jpa-> but yeah, probably not worth it
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2014-08-06T10:36:37 < jpa-> or place the rx buffer and tx buffer at the same RAM location
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2014-08-06T10:36:49 < jpa-> TX always happens before RX, so it can replace the already transmitted data
2014-08-06T10:37:06 < dongs> hmm, thats not a bad idea
2014-08-06T10:37:14 < dongs> i dont need thedata, either
2014-08-06T10:37:18 < dongs> cause its replaceable
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2014-08-06T10:43:16 < dongs> ugh i still dont understand how it can start DMA on NSS down
2014-08-06T10:43:23 < dongs> is that just automatic?
2014-08-06T10:43:30 < dongs> and I just reload CNDTR etc in DMA_TC inrq?
2014-08-06T10:45:29 < jpa-> umm.. you can start dma ahead of time, and it starts doing stuff when the triggers start coming?
2014-08-06T10:46:39 < dongs> i guess i worded it shittily
2014-08-06T10:46:54 < jpa-> i've never done spi slave so i'm just talking shit anyway
2014-08-06T10:47:10 < dongs> ya there seems to be a definite lack of anything useful on this stuff
2014-08-06T10:47:22 < dongs> just the default stm32 sampels which are worthless :p
2014-08-06T10:47:58 < Thorn> http://www.mindshare.com/Books/Books_*_eBooks  <-- looks like all books are downloadable by guessing the url
2014-08-06T10:48:00 < dongs> not helping that i'm debugging both slave and master at same time
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2014-08-06T10:49:58 < dongs> i should have added a led or something ot this shit
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2014-08-06T10:57:10 < dongs> ahah
2014-08-06T10:57:15 < dongs> flashed slave code on anotehr board
2014-08-06T10:57:20 < dongs> got a nice 2hz blinking led
2014-08-06T10:57:26 < dongs> by mistake
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2014-08-06T11:11:10 < dongs> huhhhh
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2014-08-06T11:30:50 < dongs> good fucking god
2014-08-06T11:31:00 < dongs> people in #rockbox are stuck up cunts
2014-08-06T11:31:08 < dongs> i was discussing a battery for a mp3 player that fucking runs rockbox
2014-08-06T11:31:11 < dongs> and apparently that wasnt "on topic"
2014-08-06T11:31:43 < dongs> maybe they should jsut rename to #rockbox_without_chats
2014-08-06T11:31:52 < dongs> if they just want a dead channel with only parts/joins
2014-08-06T11:33:19 < Viper168> like #physics
2014-08-06T11:33:31 < Viper168> *##physics
2014-08-06T11:34:15 < dongs> dunno man, irc police always pisses me off
2014-08-06T11:34:29 < dongs> dudes in ##stonertronics discuss anything BUT electronics
2014-08-06T11:34:34 < dongs> but you show up in there wit ha nick like "dongs"
2014-08-06T11:34:41 < dongs> and in 30 seconds they're on your case for being marginally off-topic
2014-08-06T11:35:44 < Viper168> lol I just got complained to in ##electronics for being off topic, but not officially
2014-08-06T11:37:12 < dongs> #rockbox: ban *!*@bcas.tv [by gevaerts!~fg@rockbox/developer/gevaerts, 155 secs ago] haha, banned after I parted
2014-08-06T11:37:16 < dongs> what cuntery
2014-08-06T11:37:28 < dongs> i kept reading that guys nick as "gayadverts"
2014-08-06T11:38:04 < Viper168> lol
2014-08-06T11:39:09 < Viper168> I almost got banned from physics for repeatedly arguing with ops in public but they decided to be nice because I'm lovable
2014-08-06T11:39:19 < Viper168> I guess that;s why anyways
2014-08-06T11:39:31 < Viper168> I've seen people banned for less
2014-08-06T11:45:31 < dongs> of course, first spi try didnt work
2014-08-06T11:45:36 < dongs> surprising (not)
2014-08-06T11:45:51 < dongs> hm maybe i should use this FTDI spi thing. debugging 2 mcus not working sounds like aids
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2014-08-06T11:49:03 < dongs> RXNE never happens. so its not getting stuff.
2014-08-06T11:49:06 < dongs> not_surprising.
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2014-08-06T12:05:53 < rewolff> Dongs: if you no longer need the tx data, you can make the RX point to "just before the TX buffer", so the DMA tranfsers will chase each other. I'd suggest making the difference at least a "FIFO" size.
2014-08-06T12:06:06 < dongs> yeah jpa- mentioend that
2014-08-06T12:06:22 < rewolff> Sorry. Already mentioned....
2014-08-06T12:06:25 < dongs> shit doesnt evne work that far yet, i'm writing some tests so I can debug locally with FTDI SPI thing sending data
2014-08-06T12:06:36 < dongs> :)
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2014-08-06T12:29:32 < dongs> setting up FTD2XX was surprisingly simple
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2014-08-06T13:14:53 < dongs> hmm
2014-08-06T13:14:59 < dongs> well, supposedly its working!
2014-08-06T13:15:13 < jpa-> well, supposedly that is a good thing!
2014-08-06T13:15:29 < dongs> at least, i can watch DMA re-enter
2014-08-06T13:15:37 < dongs> and CNDTR and stuff looks ok
2014-08-06T13:17:03 < dongs> hmm
2014-08-06T13:19:01 < dongs> omg
2014-08-06T13:19:08 < dongs> its actually working
2014-08-06T13:19:26 < dongs> ya,
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2014-08-06T13:38:28 < r2d2pro> 6:36 dongs ft Trollence http://youtu.be/xRHvtNplYd4?t=6m22s
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2014-08-06T13:40:37 < Steffanx> Is this the one and only R2COM?
2014-08-06T13:41:34 < dongs> no
2014-08-06T13:41:41 < dongs> thats jsut some random troll from #hihgtrollitude probably
2014-08-06T13:42:45 < dongs> http://bcas.tv/paste/results/577pUS43.html < working spi slave w/hardware nss and DMA
2014-08-06T13:47:19 < r2d2pro> http://youtu.be/uV0ph9V_g_s?t=16m31s
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2014-08-06T14:05:44 < dongs> hm
2014-08-06T14:05:52 < dongs> so my slave is working, but master is failing to fail.
2014-08-06T14:06:31 < dongs> do i need to invert cpol/cpha between slave/master?
2014-08-06T14:06:57 < dongs> i would imagine no..
2014-08-06T14:09:37 < dongs> oops
2014-08-06T14:09:40 < dongs> helps to configure gpio
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2014-08-06T14:12:19 < dongs> hm dfq
2014-08-06T14:34:18 < dongs> protip: enable peripheral after configuring it
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2014-08-06T15:21:30 < Laurenceb_> http://www.discogs.com/Undinism-Born-With-An-Erection/release/2116396
2014-08-06T15:23:55 < Laurenceb_> https://www.youtube.com/watch?v=D2u_rTBexiI
2014-08-06T15:23:57 < Laurenceb_> i lolled
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2014-08-06T15:55:17 < Tectu> http://i.imgur.com/d2AuJNM.jpg
2014-08-06T16:03:05 < dongs> but does it run uGFX???
2014-08-06T16:03:14 < dongs> hm, my __WFI shit isnt working
2014-08-06T16:03:55 < dongs> oh fuck
2014-08-06T16:03:59 < dongs> systick is tripping it
2014-08-06T16:04:13 < dongs> fuckityfuck
2014-08-06T16:04:50 < superbia1> http://420.moe/
2014-08-06T16:05:07 < zyp_> today too?
2014-08-06T16:05:08 -!- superbia1 is now known as superbia
2014-08-06T16:05:11 -!- zyp_ is now known as zyp
2014-08-06T16:05:29 < dongs> i thought for a second, that superbia nick'd into zyp
2014-08-06T16:05:40 < superbia> u trippin bro ?
2014-08-06T16:06:54 < Tectu> dongs, nope
2014-08-06T16:08:07 < Laurenceb_> tripping over his balls
2014-08-06T16:08:22 < superbia> xD
2014-08-06T16:08:28 < dongs> nice bug
2014-08-06T16:08:38 < dongs> if (abs(crap > THRESH)) { lala; }
2014-08-06T16:09:09 < superbia> u still cant get vhdl syntax right....
2014-08-06T16:09:20 < superbia> this is some wannabe cplus
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2014-08-06T16:24:51 < hjf_> hi all
2014-08-06T16:25:12 < hjf_> what IDE do you people use for STM32? I found CooCox but for some reason it's really slow in my computer :/
2014-08-06T16:25:28 < dongs> coocox = eclipse?
2014-08-06T16:25:32 < hjf_> yes
2014-08-06T16:25:37 < hjf_> for example if i minimize it and open a PDF, when I go back to coocox it takes several seconds to redraw the screen.
2014-08-06T16:25:49 < dongs> upgrade your gaming rig
2014-08-06T16:25:51 < hjf_> i used to use Android tools which are eclipse too, and they're not that bad
2014-08-06T16:25:51 < superbia> that would be MS windows PRO x64 tardus edition
2014-08-06T16:26:05 < dongs> i have 4ghz i7 with 16gb ram and stuff is ok
2014-08-06T16:26:33 < hjf_> i have a core i5 2400 with 24GB
2014-08-06T16:26:53 < superbia> 2.0Ghz dualcore 4GB ram, and stuffs pretty fine here on non-arduinokids OS-es
2014-08-06T16:28:19 < hjf_> I was trying to figure out how to use this Cube thing
2014-08-06T16:28:24 < dongs> dont.
2014-08-06T16:28:25 < hjf_> i want to make something with Ethernet
2014-08-06T16:28:26 < superbia> you dont
2014-08-06T16:28:34 < hjf_> why
2014-08-06T16:28:52 < hjf_> is it Microchip Harmony all over again?
2014-08-06T16:29:04 < dongs> more like TI code composter
2014-08-06T16:29:30 < hjf_> i installed CCS when i got my TI chronos. and never even started it
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2014-08-06T16:30:58 < hjf_> how do i do ethernet then? i found some blog post that mentions AN3102
2014-08-06T16:31:16 < hjf_> but then i went to ST's website and it says they recommend using Cube now
2014-08-06T16:31:18 < dongs> use some freetard ethernet stack, like lwip or wahtever
2014-08-06T16:31:41 < dongs> cube is just bullshit hal on top of stderpiphlib
2014-08-06T16:31:48 < dongs> like fail on fail
2014-08-06T16:32:39 < hjf_> hehe
2014-08-06T16:33:00 < hjf_> well,cube has lwip
2014-08-06T16:33:32 < dongs> good luck
2014-08-06T16:33:34 < hjf_> I'm used to microchip's stack. it's not as bad once you have it running and it's very complete. but it seems mchp is the only vendor to provide a full, free ip stack
2014-08-06T16:33:59 < hjf_> but mchp's stack is a PAIN to set up
2014-08-06T16:45:43 < dongs> ... just spent 15 minutes wtf'ing at debugger
2014-08-06T16:45:53 < dongs> ... debug probe was attached to wrong board
2014-08-06T16:46:00 < superbia> xD
2014-08-06T17:13:45 < dongs> http://beta.slashdot.org/story/205549 haha, saw that coming
2014-08-06T17:15:09 < dongs> dumbucks.
2014-08-06T17:24:14 < Laurenceb_> pwned by archive
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2014-08-06T17:52:24 < Steffanx> i wonder if waybachmachine removes stuff.
2014-08-06T17:54:15 < Steffanx> lets mirror the website.
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2014-08-06T18:04:08 < gxti> waybach
2014-08-06T18:04:53 < Steffanx> Family of the good old "I'll be bach"
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2014-08-06T18:38:36 < englishman> hjf_: coocox = eclipse = java = spyware = shit
2014-08-06T18:38:46 < englishman> Fuck it completely
2014-08-06T18:38:54 < scrts_w> what IDE is good then?
2014-08-06T18:39:12 < englishman> Notepad and GNU MAKE
2014-08-06T18:39:56 < englishman> Or vi under cygwin
2014-08-06T18:40:45 < scrts_w> oh yea... getting back to stone age
2014-08-06T18:40:52 < Claude> quite nice too (when you just have to try something and don't want to setup all the gcc + ide stuff) : http://www.emblocks.org/web/
2014-08-06T18:41:12 < scrts_w> I use eclipse for the reason of ctrl+left click to get into function definition
2014-08-06T18:41:41 < scrts_w> don't want to be spied - don't use the internet
2014-08-06T18:41:45 < PaulFertser> Both Vim and Emacs support *tags and if you want to get fancier, cscope.
2014-08-06T18:41:52 < PaulFertser> So not stone age, no.
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2014-08-06T18:42:33 < PaulFertser> Plain notepad is of course unusable for just about anything, I guess even "nano" is better than that.
2014-08-06T18:43:33 < englishman> I always use a GNU approved open source hex editor to type out the ascii/Unicode manually in my .c and .h
2014-08-06T18:44:00 < emeb> haha
2014-08-06T18:44:31 < emeb> should be flipping toggle switches on a panel like a real man
2014-08-06T18:46:11 < englishman> Sometimes I program punch cards manually, for compilation with a image recognition Python script I wrote
2014-08-06T18:46:45 < englishman> It takes a while as I need to cut the holes very square with my xacto
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2014-08-06T18:56:29 < scrts_w> dongs: regarding LwIP: I use it... apart from having some issues with the IGMP messaging on multicast, I managed to fix that quickly
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2014-08-06T19:00:57 < Thorn> http://www.youtube.com/watch?v=Ch2Cwi_fNqQ
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2014-08-06T19:24:14 < superbia> Thorn: retweet
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2014-08-06T19:25:39 < gxti> scrts_w: what kind of IGMP issues?
2014-08-06T19:26:03 < gxti> i'm doing some very basic multicast stuff and it seems ok
2014-08-06T19:26:09 < gxti> not really making use of IGMP though
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2014-08-06T19:49:55 < Laurenceb_> attn dongs
2014-08-06T19:49:57 < Laurenceb_> http://i.imgur.com/DfqVemh.jpg
2014-08-06T19:59:49 < superbia> http://www.youtube.com/watch?v=7qntq1aWyNg
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2014-08-06T20:52:47 < Tectu> zyp, qyx_, can I put three LiPo cells in parallel without any additional circuit?
2014-08-06T20:52:58 < Tectu> is that balancing thing only required when doing it in serial?
2014-08-06T20:54:28 < GargantuaSauce_> think about what happens when you put two cells charged to different voltages in parallel
2014-08-06T20:54:52 < Tectu> huge currents I guess?
2014-08-06T20:54:57 < GargantuaSauce_> yup
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2014-08-06T20:56:02 < Tectu> http://www.electriccarpartscompany.com/5V-6V-7V-br-5Ah-5000mAh-30W-35W-br-2C-3C-Universal-Power-Supply-br-Solar-Wind-Storage-Tool-Robot-Battery-Pack-br-UL-CE-SGS-RoHS-RBRC-ISO-and-TS-Certified-br-Lithium-LiFePO4-Battery-Pack-br-Custom-Built-Li-ion-LiPo-Battery-Pack_p_504.html
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2014-08-06T21:07:09 < jpa-> Tectu: yes, you can, but you need to charge them separately first
2014-08-06T21:07:27 < jpa-> (or atleast measure voltage and make sure it is close enough)
2014-08-06T21:07:56 < Tectu> is there any sane chip where one can hook up two to three cells and the chip handles charing and draining?
2014-08-06T21:08:00 < Tectu> handles as in managing
2014-08-06T21:08:21 < jpa-> you mean in series?
2014-08-06T21:09:16 < Tectu> or in parallel. I am not sure yet. right now I am quite sure that I'll use them in parallel
2014-08-06T21:09:33 < Tectu> quite sure -> about 90%
2014-08-06T21:09:46 < jpa-> in parallel, any single-chip charger will work
2014-08-06T21:09:52 < jpa-> i mean, single-cell
2014-08-06T21:10:11 < Tectu> are there chips that are recommendable (by you?)
2014-08-06T21:10:30 < Tectu> jpa-, and "any chip" as in I can put them in parallel and the chip just sees one?
2014-08-06T21:10:37 < Tectu> I thought they need to be balanced as mentioned before
2014-08-06T21:10:57 < jpa-> no, parallel cells do not need balancing after initial assembly
2014-08-06T21:11:10 < jpa-> you only need to do it once, before you connect them together
2014-08-06T21:11:24 < Tectu> ah
2014-08-06T21:11:29 < jpa-> i use MCP73831 because it is trivial enough that even i cannot mess it up
2014-08-06T21:11:31 < Tectu> they will be assembled into a pack later on
2014-08-06T21:11:33 < jpa-> but only charges at 500mA
2014-08-06T21:11:45 < Tectu> I am really scared of these LiPo cells. It looks like they burn your house like for no reason.
2014-08-06T21:12:12 < Tectu> jpa-, I'll take a look. It is for a music box, something ghetto blaster like that will come at around 1200mAh
2014-08-06T21:12:17 < Tectu> 12'000mAh I mean ;-)
2014-08-06T21:12:26 < Tectu> I really don't care about charging speed, tho.
2014-08-06T21:12:32 < Tectu> it's like using it once a month.
2014-08-06T21:12:39 < Tectu> but for at least 3 days it should play dem music
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2014-08-06T21:17:45 < Tectu> jpa-, MCP73831 looks easy enough.
2014-08-06T21:18:14 < Tectu> jpa-, but when initially putting the pack together, how make sure that all cells are within 0.0000001V of the same charge so I don't blow things up?
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2014-08-06T21:33:48 < qyx_> Tectu: where did you get 0.0000001V?
2014-08-06T21:35:31 < Tectu> qyx_, that should just show that I don't know how accurate the voltage must see in order not to blow'em up
2014-08-06T21:36:03 < qyx_> you heard jpa-! close enough
2014-08-06T21:36:54 < qyx_> or you can connect them with resistors only to balance
2014-08-06T21:37:25 < qyx_> wait few hours and then connect them together
2014-08-06T21:38:32 < qyx_> and i use mcp73831 and max1555
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2014-08-06T21:41:55 < Tectu> I'd love to have something as easy to use as the MPC73831 but with higher charging currents :P
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2014-08-06T21:42:32 < jpa-> there are plenty of such chips, usually they just need 1 external coil and maybe an external fet
2014-08-06T21:42:40 < jpa-> not more complex than a buck regulator
2014-08-06T21:42:53 < qyx_> huh, show me
2014-08-06T21:43:36 < qyx_> i haven't found any suitable smps 1cell charger yet
2014-08-06T21:44:02 < qyx_> even better would be 2-3cell with balancing
2014-08-06T21:44:10 < jpa-> Tectu: you can calculate the maximum voltage difference from the internal resistance of the cell; for example, if it is 5 milliohm and the cell can handle 5 A of current, you can have 25 mV of voltage difference before assembling the pack
2014-08-06T21:44:35 < jpa-> qyx_: it seems that balancing chips are quite often separate from the main charger.. dunno why
2014-08-06T21:44:56 < qyx_> yep, gauge & balancer & charger & protection
2014-08-06T21:45:03 < qyx_> often different chips
2014-08-06T21:49:27 < Tectu> gauge?
2014-08-06T21:49:34 < Tectu> jpa-, okay, thanks. Looks like it must be fucking precise then.
2014-08-06T21:49:56 < Tectu> jpa-, probably I just buy one of those 10$ charger and charge all three cells with that one? Or is the charging voltage tollerance "to big" with those?
2014-08-06T21:50:16 < jpa-> should be accurate enough
2014-08-06T21:50:48 < jpa-> but yeah, like qyx_ said, you can do the 10 ohm resistor trick if you want to
2014-08-06T21:51:00 < Tectu> most likely I'll end up with that, yeah
2014-08-06T21:51:01 < jpa-> usually there won't be any trouble if you just charge them all separately first
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2014-08-06T21:51:28 < Tectu> okay
2014-08-06T21:51:47 < Tectu> uP8001 would handle 2A charing current, but only available in QFN
2014-08-06T21:52:00 < qyx_> even better, isn't it?
2014-08-06T21:52:03 < qyx_> :X
2014-08-06T21:52:39 < jpa-> those linear charger chips may require a lot of cooling to reach the 2A limit, though
2014-08-06T21:52:40 < Tectu> I hate QFN to solder at home
2014-08-06T21:52:56 < Tectu> probably just take that MCP chip and charge for 3 days :P
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2014-08-06T21:53:38 < jpa-> qyx_: regarding simple to use smps 1 cell charger, http://uk.farnell.com/linear-technology/lt3650edd-4-1-pbf/batt-charger-2a-li-ion-12dfn/dp/2295366
2014-08-06T21:53:39 < qyx_> what cells did you choose?
2014-08-06T21:53:57 < jpa-> Tectu: why not buy a ready-made charger?
2014-08-06T21:54:05 < Tectu> jpa-, such as?
2014-08-06T21:54:14 < jpa-> something off ebay? ;)
2014-08-06T21:54:16 < qyx_> fuuu 6e
2014-08-06T21:55:07 < jpa-> Tectu: here is something in SOP package: http://uk.farnell.com/linear-technology/lt3650emse-4-2-pbf/batt-charger-2a-li-ion-12msop/dp/2295368
2014-08-06T21:55:27 < qyx_> hm, 2 cell, without balancer
2014-08-06T21:55:40 < qyx_> but doesn't look totally bad
2014-08-06T21:56:22 < jpa-> ah, farnell lying, 2 cell indeed
2014-08-06T21:56:53 < jpa-> or maybe they just have wrong datasheet
2014-08-06T21:56:57 < jpa-> part number has 4.2 in it
2014-08-06T21:57:10 < jpa-> datasheet talks about 8.4
2014-08-06T21:57:12 < Tectu> jpa-, ready made charger as in R/C crap in plastic casing or as in some module?
2014-08-06T21:57:17 < jpa-> Tectu: either
2014-08-06T21:57:33 < Tectu> jpa-, do you know any sane modules?
2014-08-06T21:57:36 < jpa-> no
2014-08-06T21:58:04 < Tectu> tectu sad
2014-08-06T21:58:33 < jpa-> what's wrong with the "li-ion charger module" results?
2014-08-06T21:58:36 < aadamson> anyone know of a way in Diptrace to select all of one particular component e.g. RES_0603?
2014-08-06T21:58:50 < aadamson> type of component I should have said
2014-08-06T21:59:25 < Steffanx> dongs wake up
2014-08-06T22:00:12 < aadamson> yeah, he's sleeping I'm sure :)
2014-08-06T22:01:19 < Tectu> dongs does not sleep, dongs does hibernate
2014-08-06T22:02:56 < aadamson> true enough
2014-08-06T22:05:53 < Tectu> jpa-, does the initial MCP chip that you recommended care whether I take some bare cells or some AA battery shaped ones?
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2014-08-06T23:14:30 < aadamson> qyx_, hehe I guess he's not going to come right out and tell you... he uses a 1/4 wave length of Ernie Ball .013 nickel plated guitar string at 1575.42mhz.  Has for some time now, just attaches it where his chip antenna would have attaches
2014-08-06T23:15:55 < qyx_> yes, i know how to do it, but it took me a while to come up with this obvious idea
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2014-08-06T23:16:06 < aadamson> :)
2014-08-06T23:16:34 < aadamson> I think it ends up being about 47.1mm (I'd have to calc it to be *on frequency*)... nice lash up btw!
2014-08-06T23:16:53 < qyx_> i just cut 47mm and it worked, nah
2014-08-06T23:17:07 < qyx_> it should even have higher gain than classic chip/ceramic
2014-08-06T23:17:12 < aadamson> the chip will work too, the wire is just cheaper :)
2014-08-06T23:17:24 < qyx_> yep
2014-08-06T23:17:59 < aadamson> I think mike sterling did his in horizontal orentation or may have even done a horizontal dipole in similar fashion
2014-08-06T23:19:02 < aadamson> but at 1575.4mhz, there should be *plenty* of counterpoise or ground plane
2014-08-06T23:19:47 < qyx_> there shouldn't be much loss in either orientation as it is RHCP
2014-08-06T23:20:01 < aadamson> yeah
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--- Day changed Thu Aug 07 2014
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2014-08-07T01:20:38 < Posterdati> hi
2014-08-07T01:25:17 < qyx_> lo
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2014-08-07T03:08:14 < dongs> < Laurenceb_> attn dongs
2014-08-07T03:08:16 < dongs> lol'd
2014-08-07T03:09:28 < ds2> hey dongs... do you guys use pyralux?
2014-08-07T03:09:51 < dongs> < aadamson> anyone know of a way in Diptrace to select all of one particular component e.g. RES_0603?
2014-08-07T03:10:40 < dongs> ds2: i dont do flexpcb much, too expensive. so i dunno what makes it up. i can find out but at $600+ for protos it doesnt really matter
2014-08-07T03:11:10 < dongs> aadamson: you can "find object" by name and specify your pattern, RES_0603 or wahtever, but otherwise no.
2014-08-07T03:11:23 < dongs> and you cant end up with them geting selected
2014-08-07T03:16:01 < ds2> dongs: I am just looking for a few sheets of the raw material
2014-08-07T03:16:16 < ds2> can't afford to outsource flex
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2014-08-07T03:24:38 < dongs> ebay? :)
2014-08-07T03:28:40 < dongs> http://www.babiwa.com/images/Simcard-Micro-Sim-Connector-Linker/Genuine-Luxury-Type8-SD-TO-MICROSD-CONVERTER-Extender-1.jpg cute
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2014-08-07T03:38:18 < aadamson> thanks dongs I figured out a way to do what I wanted without needing to do that... appreciate the reply!
2014-08-07T03:42:03 < dongs> im liking altium pcb/schematic inspector quite a lot
2014-08-07T03:42:07 < dongs> and "find similar" feature
2014-08-07T03:42:19 < dongs> where you can get stuff selected based on pretty much every parameter
2014-08-07T03:42:25 < dongs> and then modify/etc in one place
2014-08-07T03:42:31 < gxti> yes.
2014-08-07T03:42:37 < zyp> yeah
2014-08-07T03:42:41 < dongs> like if yo uwanna change all 10k ressitors from 0603 to 0402... takes like 10 seconds
2014-08-07T03:42:49 < zyp> that's the F11 thing, right?
2014-08-07T03:42:52 < dongs> yeah
2014-08-07T03:43:04 < dongs> in dicktrace you can also do pattern change, but better hope you used separate patterns for caps and Rs
2014-08-07T03:43:10 < gxti> for footprints there's also a footprint manager
2014-08-07T03:43:26 < dongs> well, you can just manually type a footprint name if you know it
2014-08-07T03:43:35 < dongs> from pcb inspector
2014-08-07T03:43:44 < gxti> i mostly use it to fill in stuff when i get lazy and put down some schematic symbols with no footprint
2014-08-07T03:43:46 < ds2> can you write scripts in diptrace?
2014-08-07T03:43:52 < dongs> nope.
2014-08-07T03:44:04 < dongs> gxti: where is that accessed from
2014-08-07T03:44:21 < dongs> o
2014-08-07T03:44:32 < gxti> tools, in schematic
2014-08-07T03:44:46 < dongs> ya ya found
2014-08-07T03:47:12 < dongs> hey zyp, did wire get paid?
2014-08-07T03:47:16 < dongs> so i can poke them for status
2014-08-07T03:47:28 < zyp> yes
2014-08-07T03:47:31 < dongs> ok cool
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2014-08-07T03:49:09 < dongs> poked for status and eta
2014-08-07T03:50:32 < dongs> (From some customer's reports,we have noticed Now there have been quite a few sellers selling the fake and copy Version of Our linker Series Products in the market ,usually the same packing or the OEM packing without logo.we also have found our newest Luxury Version Series Convertors got copied already(same design and packing).The Fake parts use the poor-quality IC inside and many with incompatibility problem,We sincerely recommend all customers to pay attention before 
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2014-08-07T04:23:04 < upgrdman_> fucking rusty cookie sheets. anyone use the aluminum or stainless ones? like em?
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2014-08-07T04:48:51 < dongs> suuuuuup
2014-08-07T04:48:59 < dongs> cookie sheets wat
2014-08-07T04:49:02 < dongs> are you baking cookies
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2014-08-07T05:21:16 < upgrdman_> we need to make this robot!   http://a.pomf.se/kecnhj.webm
2014-08-07T05:25:05 < baird> Sell the plans to Hitachi. Make Billion$
2014-08-07T05:46:53 < dongs> oh, baird is back too
2014-08-07T05:48:42 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##stm32
2014-08-07T05:50:47 < baird> Considering I've lost a $200 order because of the paperwork for the EU GEA being blackholed, I propose I be allowed back into this sekret club.
2014-08-07T05:51:24 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 260 seconds]
2014-08-07T05:54:03 < baird> Just coincidentially, I started getting GEA forms the day after I followed a Fundie Bicycle Activist on twitter..
2014-08-07T05:54:19 < upgrdman_> gea?
2014-08-07T06:01:02 < dongs> sounds like some eurotrash export shit
2014-08-07T06:01:08 < dongs> he probably tried to sneak bombs into australia
2014-08-07T06:01:21 < dongs> https://www.gov.uk/european-union-general-export-authorisations
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2014-08-07T06:02:23 < baird> It was over an MSP430FR5969. :/
2014-08-07T06:04:10 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Ping timeout: 255 seconds]
2014-08-07T06:08:36 < baird> The same shop sells RPis by the boatload, yet the FR5969 is the procribed item..
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2014-08-07T06:12:38 < dongs> even the government knows aspieberrypi is completely worthless
2014-08-07T06:13:05 < dongs> baird: is FR the fram shit?
2014-08-07T06:13:15 < dongs> ya dude fram is top secret
2014-08-07T06:13:20 < dongs> what hte fuck were you tihnking
2014-08-07T06:13:44 < dongs> only terrorists use fram
2014-08-07T06:14:39 < dongs> upgrdman_: related http://web.archive.org/web/20040415193845/http://www.tunataco.net/tuna/fm/3/02.jpg
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2014-08-07T06:19:58 < upgrdman_> lol
2014-08-07T06:25:40 < jadew> I'm looking at the power supply overview for a stm32f4, do I actually need 15 x 100 nF caps or am I reading that wrong?
2014-08-07T06:26:33 < dongs> are you using 144pin package or osmething
2014-08-07T06:26:35 < jadew> hah, so the robot from short circuit finally got a dick
2014-08-07T06:26:42 < jadew> dongs, 100 pins
2014-08-07T06:27:30 < dongs> you need one per vdd/vss pair, sure
2014-08-07T06:27:36 < dongs> and a couple vcaps?
2014-08-07T06:28:16 < upgrdman_> if you aren't doing analog-ish stuff, will they tolerate fewer bypass caps?
2014-08-07T06:28:30 < upgrdman_> i mean, the core is good to, what, 1.8V? 2V?
2014-08-07T06:28:58 < jadew> yeah, that's what it looks like, but there are only 6 or 7 VDD pins
2014-08-07T06:29:46 < jadew> upgrdman_, not really sure, it seems they require a lot of filtering for the VDDA and VREF too
2014-08-07T06:29:53 < jadew> which are used by the PLL circuitry
2014-08-07T06:30:13 < upgrdman_> well "require" as in, if you expect the datasheet specs to hold up.
2014-08-07T06:30:30 < upgrdman_> but if you dont care about signal integrity...
2014-08-07T06:32:01 < jadew> I do, so I guess I'll do it by the book
2014-08-07T06:32:14 < jadew> R2COM, kinda sucks, that's why it dropped in price so much
2014-08-07T06:32:45 < jadew> I have one, but I'd rather use an adrid
2014-08-07T06:32:55 < jadew> my w+
2014-08-07T06:33:04 < jadew> afk
2014-08-07T06:34:50 < upgrdman_> jadew: you could go the china route, and design a proper board, then remove components until it fails.
2014-08-07T06:35:05 < upgrdman_> then add one component back and call it done.
2014-08-07T06:45:05 < upgrdman_> works fine on my nexus4. shitty net connection?
2014-08-07T06:45:50 < jadew> haha upgrdman_
2014-08-07T06:46:05 < upgrdman_> jadew: ?
2014-08-07T06:46:19 < jadew> upgrdman_ @ the remove components thing :P
2014-08-07T06:46:24 < upgrdman_> oh, ya
2014-08-07T06:46:28 < jadew> R2COM, the navigation is the best around on the nokia phones
2014-08-07T06:46:48 < jadew> in that regard, yes
2014-08-07T06:47:06 < jadew> also the camera on my lumia 920 is the best I have ever seen on a phone
2014-08-07T06:47:14 < jadew> crisp and great colors
2014-08-07T06:47:20 < jadew> in regard of functionality
2014-08-07T06:47:30 < jadew> it just seems a bit... off
2014-08-07T06:47:35 < jadew> then there's the lack of software
2014-08-07T06:48:04 < jadew> R2COM, mine does some crazy contrast thing
2014-08-07T06:48:14 < jadew> and you can see it fine in bright sunlinght
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2014-08-07T06:48:32 < jadew> lumia 920
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2014-08-07T06:48:39 < jadew> it's one of the first
2014-08-07T06:48:53 < jadew> it was 1k+ when I got it
2014-08-07T06:48:58 < jadew> now it's like... $300
2014-08-07T06:49:49 < upgrdman_> anyone port assdroid to the 920?
2014-08-07T06:50:10 < jadew> R2COM, slow, but they do update
2014-08-07T06:50:30 < jadew> not like the windows 6.1 which stayed the same for years
2014-08-07T06:51:01 < jadew> I live in europe
2014-08-07T06:51:29 < jadew> we mostly use phones that are not tied to any provider
2014-08-07T06:51:51 < jadew> nothing
2014-08-07T06:52:01 < jadew> you can just switch SIMs and you're good
2014-08-07T06:52:14 < jadew> you can even move your phone number between providers
2014-08-07T06:52:46 < upgrdman_> use != tied
2014-08-07T06:54:31 < jadew> R2COM, that doesn't sound right
2014-08-07T06:54:43 < jadew> GPS can work even with out a SIM
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2014-08-07T06:55:23 < jadew> ah, yeah
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2014-08-07T06:55:33 < jadew> on the nokia you don't need it
2014-08-07T06:55:38 < jadew> it has the maps in the phone
2014-08-07T06:56:04 < jadew> you download them
2014-08-07T06:56:25 < jadew> we don't have that in here, but I suppose you can get that via the data plan
2014-08-07T06:57:03 < jadew> also via FM :P
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2014-08-07T06:58:31 < jadew> I don't know... I don't go out much
2014-08-07T06:58:36 < upgrdman_> lol
2014-08-07T06:58:48 < jadew> but when I do, it's hard to stay focused :P
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2014-08-07T06:59:19 < jadew> R2COM, personally, I find them hot
2014-08-07T06:59:29 < jadew> but that could be just me, because I don't have too much contact with people
2014-08-07T07:00:16 < jadew> R2COM, I don't know
2014-08-07T07:02:38 < jadew> R2COM, I'm married
2014-08-07T07:03:33 < GargantuaSauce> hey babe let me show you my firmware
2014-08-07T07:03:36 < jadew> but when I used to date, I don't remember any chick getting turned on by my hobbies lol
2014-08-07T07:03:49 < upgrdman_> let me show you my probes
2014-08-07T07:03:57 < upgrdman_> be gentle with the tips
2014-08-07T07:04:26 < upgrdman_> lol
2014-08-07T07:04:44  * upgrdman_ blushes
2014-08-07T07:06:24 < jadew> haha
2014-08-07T07:06:28 < upgrdman_> i am organized... :/
2014-08-07T07:06:53 < upgrdman_> so much room for activities!
2014-08-07T07:07:20 < jadew> I'm not, I have a wall full of big ikea boxes with crap that needs to be sorted out
2014-08-07T07:07:27 < upgrdman_> i even made a holder for my scope probes!
2014-08-07T07:07:37 < jadew> upgrdman_, pics?
2014-08-07T07:08:17 < upgrdman_> http://farrellf.com/temp/diy_scope_probe_holder.jpg
2014-08-07T07:08:20 < jadew> I never knew where to put mine, so they just hang on the side of the desk (above the paper shredere - which terrifies me)
2014-08-07T07:08:44 < jadew> upgrdman_, neat!
2014-08-07T07:08:49 < jadew> nice scope too
2014-08-07T07:08:55 < upgrdman_> thanks
2014-08-07T07:09:09 < jadew> that actually looks very organized
2014-08-07T07:09:22 < jadew> where do you work tho?
2014-08-07T07:09:25 < upgrdman_> as for the holder... its a fucking "toe separator" for pedicures
2014-08-07T07:09:36 < jadew> is there another body that goes in front of the shelfs?
2014-08-07T07:09:49 < jadew> upgrdman_, hah, neat
2014-08-07T07:09:58 < upgrdman_> i wonder on the table top:  http://farrellf.com/temp/new_meter.jpg
2014-08-07T07:10:05 < upgrdman_> errr work. not wonder.
2014-08-07T07:10:20 < jadew> upgrdman_, oh, that wasn't visible in the photo
2014-08-07T07:10:35 < jadew> now I see it!
2014-08-07T07:12:35 < upgrdman_> not anymore
2014-08-07T07:13:19 < upgrdman_> right now im putting the finishing touches on my combo servo test / 2.4g spectrum analyzer / shitty thermal imager / tetris      project
2014-08-07T07:13:42 < upgrdman_> R2COM: pretty much. could use more refinements but it's shelved for now.
2014-08-07T07:14:37 < upgrdman_> R2COM: http://www.farrellf.com/projects/hardware/2014-05-18_Balancing_Robot/robot_finished.jpg
2014-08-07T07:16:01 < upgrdman_> fun
2014-08-07T07:16:07 < jadew> you might want to change your lamps to something like this: http://shop.rabtron.co.za/catalog/images/vtlamp2.jpg
2014-08-07T07:16:13 < upgrdman_> for the time being, electronics is just a hobby.
2014-08-07T07:16:16 < jadew> not because of the magnifier, but because they have a much better coverage
2014-08-07T07:16:30 < jadew> they kick ass compared to regular lamps
2014-08-07T07:16:58 < upgrdman_> ya, i've had those bigger balanced arm lamps. nice, but im doing ok with what i've got now
2014-08-07T07:17:16 < upgrdman_> R2COM: not hobby? as in what i do for work?
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2014-08-07T07:25:28 < jadew> here's another question that I can't easily find an answer for, do I need to connect VBAT?
2014-08-07T07:25:51 < jadew> it appears that it's internally being switched on / off, so during normal operation, it's off
2014-08-07T07:26:00 < jadew> but should I still connect it to VDD?
2014-08-07T07:26:48 < GargantuaSauce> i believe it is a firm requirement yes
2014-08-07T07:26:51 < upgrdman_> iirc yes
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2014-08-07T07:27:10 < DanteA> Iirc, if you didn't have battery, you should connect that pin to main power bus.
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2014-08-07T07:27:20 < dongs> https://www.youtube.com/watch?v=l3Wa6HYjqQw oh wow
2014-08-07T07:27:24 < jadew> got it, thanks
2014-08-07T07:28:23 < dongs> you don't "need" to connect it.
2014-08-07T07:28:31 < dongs> when vcc is present, it goes to vdd circuits as well.
2014-08-07T07:28:34 < dongs> so you can just leave it nc.
2014-08-07T07:28:42 < dongs> datasheet specifically mentions this
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2014-08-07T07:29:25 < jadew> I can't see that being mentioned
2014-08-07T07:29:29 < DanteA> Reference designe always connect that pin.
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2014-08-07T07:29:59 < dongs> VBAT = 1.65 to 3.6 V: power supply for RTC, external clock 32 kHz oscillator and
2014-08-07T07:30:02 < dongs> backup registers (through power switch) when VDD is not present.
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2014-08-07T07:30:39 < jadew> dongs, it also says that it should be connected to Vdd when PDR_ON is not connected to Vdd - what is PDR_ON?
2014-08-07T07:30:41 < dongs> Like backup SRAM, the RTC and backup registers are supplied through a switch that is
2014-08-07T07:30:44 < dongs> powered either from the VDD supply when present or from the VBAT pin.
2014-08-07T07:30:52 < dongs> pdr_on should always be connected to vcc
2014-08-07T07:31:02 < jadew> power on?
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2014-08-07T07:31:13 < dongs> its some power reset shit, it needs to go to vcc.
2014-08-07T07:31:20 < jadew> got it
2014-08-07T07:31:38 < jadew> well, I see no harm in connecting it to vdd then
2014-08-07T07:31:43 < dongs> vbaT? correct.
2014-08-07T07:31:52 < jadew> yeah
2014-08-07T07:32:20 < dongs> to makea F4 pin compatible with F1, PDR_on on some packages (not all have it) is actually in place of a VDD pin.
2014-08-07T07:32:54 < dongs> the only other difference on F4 is a pair(?) of VCAP caps that need to go to GND on F4, or just 0R resistor to gnd on F1. (because its VSS pins there)
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2014-08-07T07:35:35 -!- Netsplit *.net <-> *.split quits: Posterdati, Intelaida, madist, masa, jaeckel, Smd_, esden, PaulFertser, sanity93, ds2,  (+1 more, use /NETSPLIT to show all of them)
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2014-08-07T07:51:42 < upgrdman_> roomba smears dog poop on guy's floor. rotfl.   https://www.youtube.com/watch?v=KbOqsp3oUQI
2014-08-07T07:52:00 < dongs> wtf. i changed footprint via size in altidong and made sure my component uses that footprint etc
2014-08-07T07:52:05 < dongs> but its still failing drc with <10mil hole
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2014-08-07T07:54:44  * jadew is trying to learn to use kicad
2014-08-07T07:54:50 < dongs> good luck
2014-08-07T07:54:53 < jadew> kinda crappy so far
2014-08-07T07:57:01 < jadew> when you select some parts and try to move them, it moves the wires too, with out keeping them connected
2014-08-07T07:57:22 < jadew> like if the selection happens to fall within a piece of wire
2014-08-07T07:57:26 < jadew> that wire will get selected
2014-08-07T07:57:56 < jadew> in a normal world, you'd have to fully cover the wire in order to get it selected
2014-08-07T07:58:10 < dongs> cant you ctrl=click to unselect?
2014-08-07T07:58:43 < jadew> no, the moment you lift your left mouse button it starts moving them
2014-08-07T07:58:56 < jadew> not to mention the completely uninterractive BS modes
2014-08-07T07:59:22 < dongs> sounds like time to upgrade to dicktrace
2014-08-07T07:59:37 < jadew> but that one looks much more like eagle :-s
2014-08-07T07:59:44 < dongs> um no
2014-08-07T07:59:56 < dongs> unlike eagle, its actually usable
2014-08-07T08:00:04 < jadew> hmm
2014-08-07T08:00:30 < jadew> might give it a try later, luckly I didn't lay out much of the schematic
2014-08-07T08:00:57 < jadew> I so wish altium would release a hobby version
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2014-08-07T08:01:15 < jadew> or that I was super rich to afford it anyway
2014-08-07T08:02:22 < damastaryu> Hi! I have an stm32 discovery board. I connected the 5V pin to GND with a 1kOhm resistor in between and this seems to have killed the board
2014-08-07T08:02:32 < damastaryu> Is there anyway I can revive the board? :-)
2014-08-07T08:02:46 < dongs> wat
2014-08-07T08:02:52 < dongs> unconnect the pin???
2014-08-07T08:03:02 < damastaryu> I did, it still won't power on
2014-08-07T08:03:14 < jpa-> that doesn't kill the board, you probably did something else
2014-08-07T08:03:45 < damastaryu> You're right. The board died when I tried to measure the current on the resistor
2014-08-07T08:03:51 < jpa-> apply normal electronics troubleshooting procedures to find the fault - the schematic is in the documentation
2014-08-07T08:04:01 < dongs> if stm32 is heating up, youre done
2014-08-07T08:04:02 < jpa-> ah, so you short-circuited 5V to GND
2014-08-07T08:04:14 < gxti> by 'measure the current on the resistor' you mean 'connect DMM probes in current mode across a power source'?
2014-08-07T08:04:18 < damastaryu> Yes, you're right!
2014-08-07T08:04:28 < damastaryu> jpa-: Yes, you're right!
2014-08-07T08:04:55 < jpa-> F1 discovery or something else?
2014-08-07T08:05:20 < jpa-> probably burned D2
2014-08-07T08:05:34 < gxti> or maybe just some polyfuse stuck open
2014-08-07T08:05:56 < damastaryu> jpa-: Yes, F100
2014-08-07T08:05:56 < jpa-> no polyfuse on F1 discovery atleast
2014-08-07T08:06:20 < gxti> i meant in the power source, if powered by USB. unlikely but it can happen.
2014-08-07T08:06:31 < jpa-> ah, could be also
2014-08-07T08:06:58 < jpa-> and how did he get 5V out of the discovery anyway, that is not brought out to any pin IIRC
2014-08-07T08:07:12 < damastaryu> There's a 5v and 3.3V pins
2014-08-07T08:07:18 < jpa-> which discovery?
2014-08-07T08:07:29 < gxti> f4disco definitely does, i'm not familiar with the others
2014-08-07T08:07:42 < damastaryu> stm32vldiscovery
2014-08-07T08:08:17 < jpa-> can't see it on vldiscovery schematics, only EXT_5V
2014-08-07T08:08:23 < jpa-> err
2014-08-07T08:08:33 < damastaryu> http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/PF250863?sc=stm32-discovery
2014-08-07T08:08:35 < jpa-> yeah, EXT_5V is that.. no extra diode on it :P
2014-08-07T08:08:53 < jpa-> so yeah, if you short-circuit EXT_5V to GND, you either burn D2 or you burn your USB port
2014-08-07T08:09:23 < gxti> damastaryu: plug something else into the same usb port and see if it works
2014-08-07T08:10:03 < damastaryu> The USB provides power, do I need to test the data too?
2014-08-07T08:10:11 < gxti> no.
2014-08-07T08:11:30 < damastaryu> Looking up schematic to see what D2 is then...
2014-08-07T08:12:17 < damastaryu> h
2014-08-07T08:16:59 < damastaryu> Oh, it's a diode! Should I order a duplicate then? http://www.mouser.com/ProductDetail/STMicroelectronics/BAT60JFILM/?qs=GnFZssByvVVVnMaukcyLZg==
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2014-08-07T08:17:37 < jpa-> you can just replace it with short-circuit if you are lazy
2014-08-07T08:17:46 < damastaryu> I am lazy
2014-08-07T08:18:09 < damastaryu> Why do they have a diode if none is needed? To prevent USB from being damaged?
2014-08-07T08:18:40 < jpa-> to allow you to feed external 5V
2014-08-07T08:19:55 < damastaryu> That makes sense!
2014-08-07T08:20:24 < damastaryu> Now if I want to create a short, should I heat up the diode with solder iron and tweezer it off?
2014-08-07T08:20:42 < damastaryu> Or would you recommend something else?
2014-08-07T08:20:52 < jpa-> doesn't matter much
2014-08-07T08:20:57 < jpa-> do as you find easiest
2014-08-07T08:21:17 < damastaryu> Ok :-)
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2014-08-07T08:32:42 < damastaryu> So I removed the diode, and now I'm confused how to create a short
2014-08-07T08:32:57 < dongs> ...
2014-08-07T08:33:03 < damastaryu> I'm scared that putting solder directly on the board will get onto adjacent components
2014-08-07T08:33:07 < dongs> got some DIP resistors?
2014-08-07T08:33:13 < dongs> bend the leg like L
2014-08-07T08:33:24 < dongs> hold against pads, solder
2014-08-07T08:33:26 < dongs> then snip
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2014-08-07T08:34:00 < damastaryu> Oh, thank you!
2014-08-07T08:38:46 < akaWolf1> very intresting dialog :)
2014-08-07T08:57:14 < damastaryu> Hrrmmm, when the diode was removed it left two little squares where the solders was
2014-08-07T08:57:43 < damastaryu> I've been trying to fill the squares with solder and then solder the resistor legs between them
2014-08-07T08:58:00 < damastaryu> Is this a bad strategy? Is a soldering iron the right tool?
2014-08-07T08:58:26 < qyx_> for soldering?
2014-08-07T08:58:29 < jpa-> yes, should work
2014-08-07T08:58:42 < damastaryu> (yes, for soldering)
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2014-08-07T09:08:10 < dongs> is this beaky 2.0
2014-08-07T09:09:50 < jpa-> more like beaky 0.5
2014-08-07T09:10:13 < emeb_mac> you're mean.
2014-08-07T09:10:31 < jpa-> sorry
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2014-08-07T09:25:44 < damastaryu> It's alive! Thank you the the help!
2014-08-07T09:26:14 < jpa-> :)
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2014-08-07T10:52:24 < scrts_w> gxti: well, I am doing IGMP reception and then multicast video processing on FPGA
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2014-08-07T10:54:55 < PaulFertser_> Hm, current gcc-arm-embedded toolchain seem to be cool enough wrt unwinding exceptions, I get proper backtrace from hardfault in gdb without any extra tweaks with stock openocd.
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2014-08-07T11:01:39 < jpa-> PaulFertser_: it has worked for a while, as long as there is no RTOS doing anything funny
2014-08-07T11:02:31 < jpa-> common trick that breaks it is having an interrupt wrapper that uses assembler code - seems like the unwinder cannot figure out where the return address is stacked then
2014-08-07T11:03:14 < jpa-> (other thing that breaks it is having separate MSP/PSP and no support in the gdb server.. but i think openocd supports reading them both)
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2014-08-07T11:26:19 < akaWolf1> PaulFertser_: good news for fancies of using C++ in MCU applications.
2014-08-07T11:32:29 < dongs> god damn fucking avr jungo trash
2014-08-07T11:40:36 < akaWolf1> now is thursday yet.. :(
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2014-08-07T11:44:12 < jpa-> akaWolf: by "exceptions" i think he means hardware exceptions, like hardfault
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2014-08-07T11:45:20 < akaWolf> hm
2014-08-07T11:48:01 < akaWolf> yeah, looks like it was he meant wrt "backtrace from hardfault"
2014-08-07T11:48:04 < xkonni> using a stm32f407, trying to read from adc (works) with dma (does not work). how do i know if i need dma1 or dma2, which stream?
2014-08-07T11:48:21 < efuentes> check the datasheet/reference manual
2014-08-07T11:48:53 < jpa-> yeah, ref manual lists them
2014-08-07T11:48:58 < xkonni> efuentes: hehe yes i thought this far, but didnt see any references. probably overlooking
2014-08-07T11:49:17 < jpa-> under dma controller, the part about the trigger soucres
2014-08-07T11:53:17 < xkonni> jpa-: mhhm... sorry, i still dont see it... could you specify it (even more)?
2014-08-07T11:54:50 < jpa-> xkonni: RM0090, section "10 DMA controller", subsection "10.3.3 Channel selection", Table 42-43 "DMAx request mapping"
2014-08-07T11:56:05 < xkonni> ahh...
2014-08-07T11:56:12 < xkonni> so obvious...
2014-08-07T11:56:15 < xkonni> jpa-: thanks!
2014-08-07T11:56:46 < jpa-> (also "Figure 1. System architecture" in "Memory and bus architecture" is somewhat relevant in which peripherals are accessible by which DMA.. but of course the DMAx request mapping table is already sane and doesn't map a peripheral to a DMA that can't access it..)
2014-08-07T11:57:28 < xkonni> alright, will check that again ;)
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2014-08-07T12:02:29 < xkonni> ah yes... good to know, will try to write to a FSMC later
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2014-08-07T12:37:19 < dongs> https://www.youtube.com/watch?v=AplM_ulwZio&feature=trueview-instream
2014-08-07T12:38:38 < madist> feature=trueview-instream ?
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2014-08-07T12:46:00 < dongs> attn zyp https://www.youtube.com/watch?v=DC5racUvDyI#t=80
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2014-08-07T13:29:03 < jon1012> hi
2014-08-07T13:29:25 < jon1012> someone knows if there is any advantage on using DMA for spi transfers ?
2014-08-07T13:32:22 < scrts_w> it depends
2014-08-07T13:32:45 < scrts_w> if you receive data from SPI and move it over UART, the of course ithe advantage is huge
2014-08-07T13:34:54 < jon1012> ok
2014-08-07T13:35:07 < jon1012> is there a good dma example/documentation for stm32 out there ?
2014-08-07T13:35:23 < jon1012> I want to handle SPI but also very fast gpio switching with DMA
2014-08-07T13:35:37 < jon1012> and haven't found good source of information for a beginner with this
2014-08-07T13:39:25 < xkonni> i just learned that you need to make sure to select the correct channels/streams in the dma setup... -> R0090/Table42-43
2014-08-07T13:39:28 < xkonni> jon1012: ^^
2014-08-07T13:39:42 < xkonni> besides that, not sure...
2014-08-07T13:39:44 < jon1012> xkonni, thank you
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2014-08-07T14:03:45 < dongs> < jon1012> someone knows if there is any advantage on using DMA for spi transfers ?
2014-08-07T14:03:52 < dongs> if you have more than a couple bytes to send/receive yes
2014-08-07T14:14:42 < jpa-> besides, you will not get very fast gpio switching with DMA, at best it is like 6 cycles per switch with some inaccuracy
2014-08-07T14:17:32 < dongs> eh?
2014-08-07T14:22:03 < jpa-> timer outputs are faster
2014-08-07T14:22:28 < jpa-> and dma to timer registers is also more accurate
2014-08-07T14:43:15 < jon1012> jpa-, I need to switch something like 24 gpio very fast with one clock for them all
2014-08-07T14:44:02 < jon1012> jpa-, right now I having pointers advancing in separate arrays of full port data and I juste write them to the ports in a function
2014-08-07T14:44:08 < jpa-> jon1012: what is "very fast"?
2014-08-07T14:44:32 < jon1012> jpa-, approx 40 mhz, I'm using the full cpu speed of my stm32 for that right now
2014-08-07T14:44:57 < jpa-> 72MHz cpu?
2014-08-07T14:45:02 < jon1012> jpa-, 168mhzstm32f4
2014-08-07T14:45:11 < jon1012> (stm32f407)
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2014-08-07T14:45:25 < jpa-> not sure if possible with DMA.. maybe if there is no other traffic on that DMA controller
2014-08-07T14:46:10 < jpa-> especially as you will be writing to atleast two separate ports
2014-08-07T14:47:00 < jon1012> jpa-, yup, I can narrow it down to two or even one port if necesarry
2014-08-07T14:47:20 < jon1012> jpa-, (writing faster I can chain the shift registers instead of writing in parallel)
2014-08-07T14:47:59 < jon1012> (at least to some extent, I will have at minimum 12 simultaneous ports to shift plus the clock and latch/enable at the start/end)
2014-08-07T14:48:14 < jpa-> hmm, i wonder if F4 DMA can do burst transfers to GPIO
2014-08-07T14:48:15 < jon1012> s/ports/gpio
2014-08-07T14:48:16 < jpa-> probably not
2014-08-07T14:48:26 < jon1012> oh ok
2014-08-07T14:48:39 < jpa-> or maybe it can.. atleast load using burst from memory
2014-08-07T14:48:48 < jpa-> never did any high-perf stuff on F4 DMA
2014-08-07T14:48:58 < jpa-> F1 DMA is pretty limited compared to that
2014-08-07T14:49:44 < jpa-> you could perhaps trigger the DMA from a timer and have the timer also output your clock pulse
2014-08-07T14:49:51 < jon1012> I've never worked with dma, so I was looking at some example on the subject, but didn't find any working on for that
2014-08-07T14:49:56 < jpa-> (on opposite phases of course)
2014-08-07T14:50:10 < jon1012> ok
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2014-08-07T15:11:33 < dongs> jon1012: use bitbanding
2014-08-07T15:11:49 < jon1012> dongs, that's what I use
2014-08-07T15:11:57 < dongs> tho i guess dma to port is probably just? as fast
2014-08-07T15:12:07 < dongs> i did 16port dmx shit using gpio dma haha
2014-08-07T15:12:07 < jon1012> (sorry I got disconnected)
2014-08-07T15:12:21 < jon1012> bitbanging feels slow sometimes
2014-08-07T15:12:31 < jon1012> advancing a pointer and then sending the data to the port
2014-08-07T15:12:47 < jon1012> I can barely achieve 30/40mhz with a clock of 200 mhz
2014-08-07T15:12:52 < dongs> bitbanding
2014-08-07T15:13:00 < jon1012> ah, what is it ?
2014-08-07T15:13:02 < dongs> different.
2014-08-07T15:13:17 < dongs> but if you ahve gpio continous on a port it doesnt matter
2014-08-07T15:13:24 < dongs> bitband = you can assign peripheral memory to another block of ram
2014-08-07T15:13:30 < dongs> and single 32bit write toggles 1 bit in destination
2014-08-07T15:13:45 < jon1012> oh
2014-08-07T15:13:51 < dongs> i.e you'll map GPIOA->BRR or wahtever into 32bytes
2014-08-07T15:13:54 < jon1012> do you have an example of it working ?
2014-08-07T15:13:57 < jon1012> nice !
2014-08-07T15:14:04 < dongs> so writing to bitband[0] will toggle pin0, [1] pin1, etc
2014-08-07T15:14:23 < dongs> just google stm32 bitbanding, tons of exmaples
2014-08-07T15:15:26 < jon1012> is it faster than BSRRH/BSRRL ?
2014-08-07T15:15:43 < dongs> its faster than read/modify/set
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2014-08-07T15:33:55 < zyp> it's slower than BSRR
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2014-08-07T15:57:14 < xkonni> whats the equivalent GPIO_PuPd value for F103 GPIO_Mode_OUT_PP on a F407?
2014-08-07T15:59:30 < xkonni> ah... it could just be OType_PP i'm looking for...
2014-08-07T16:11:04 < jon1012> zyp, dongs, so do I have interest to porting to bitbanding vs BSRR ?
2014-08-07T16:12:25 < zyp> no, not at all
2014-08-07T16:12:53 < zyp> for GPIO, BSRR is better than bitbanding in all possible ways
2014-08-07T16:15:52 < PaulFertser_> I've heard kinetis parts are way better at bitbanging.
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2014-08-07T16:29:26 < jon1012> zyp, ok
2014-08-07T16:31:04 < Thorn__> ada on a discovery board http://www.youtube.com/watch?v=bf6PyX6Xww0
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2014-08-07T17:15:58 < Steffann> Fully automatic temperature control for pan cake baking beaky.
2014-08-07T17:23:13 < damo_damo> it can be quite a few degrees off, in absolute value
2014-08-07T17:23:41 < damo_damo> though it's relavite reading should be fairly good
2014-08-07T17:30:16 < gxti> perfectly suitable for pancakes
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2014-08-07T18:24:05  * Tectu slaps jpa- 
2014-08-07T18:26:24 < Steffanx> sauna time?
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2014-08-07T18:39:00  * jpa- grabs Tectu's butt
2014-08-07T18:39:25 < Tectu> wtf
2014-08-07T18:40:23 < madist> is this a game ? can anyone grab Tectu's butt ?
2014-08-07T18:40:29 < jpa-> yes please join
2014-08-07T18:40:37 < Laurenceb_> happy fappy
2014-08-07T18:40:44 < baird> mantouching wants to be free
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2014-08-07T18:48:20 < PaulFertser_> gxti: pancakes bake at what, ~200C? I'm afraid using the integrated sensor there won't work.
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2014-08-07T18:55:16 < Tectu> I don't like where this is going
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2014-08-07T20:47:09 < tyson2> have been trying to get libre core ada to work with stm32f4, but st-link downloads code, but can't set breakpoints.  st-util says firmware on board too old. but ada instructions say don't upgrade firmware.  What gives?
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2014-08-07T21:10:44 < jpa-> tyson2: try openocd?
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2014-08-07T21:19:45 < tyson2> thanks, I will have a look at that
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--- Day changed Fri Aug 08 2014
2014-08-08T00:01:47  * Tectu slaps jpa- 
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2014-08-08T02:02:18 < ds2> hmmm propeller 1 is opensource
2014-08-08T02:12:10 < MrMobius> ya
2014-08-08T02:12:37 < MrMobius> curious but not really relevantto most people
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2014-08-08T02:37:21 < ds2> it is a nifty chip
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2014-08-08T02:53:57 < upgrdman> i wonder if anyone will do something weird with the prop1 code. like breadboard one with discrete transistors or someshit. just for the lulz.
2014-08-08T02:54:28 < upgrdman> "and on the first floor of my house is the memory manager and gpio breadboards..."
2014-08-08T03:01:22 < MrMobius> its a nifty chip but i dont know what people with fpgas are going to do with the source
2014-08-08T03:03:48 < dongs> propeller wat
2014-08-08T03:03:53 < dongs> parallax is still alive?
2014-08-08T03:06:52 < dongs> ds2: link to opensauce
2014-08-08T03:06:56 < dongs> (why would anyone care really)
2014-08-08T03:06:58 < dongs> is it HDL code or waT?
2014-08-08T03:07:24 < Lux> yep
2014-08-08T03:08:48 < MrMobius> Verilog it seems
2014-08-08T03:08:51 < dongs> ya
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2014-08-08T03:10:31 < dongs> found it
2014-08-08T03:10:56 < upgrdman> waT?
2014-08-08T03:11:10 < dongs> upgrdman: http://www.parallax.com/microcontrollers/propeller-1-open-source
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2014-08-08T03:20:19 < dongs> japan: http://imgur.com/gallery/0F6us
2014-08-08T03:25:51  * upgrdman furiously codes up a Tetris implementation for his "servo tester"
2014-08-08T03:26:12 < upgrdman> i wonder how hard it would be to pwm some shitty music to a piezo buzzer
2014-08-08T03:33:08 < dongs> easy
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2014-08-08T03:33:16 < dongs> do a .mod player
2014-08-08T03:33:34 < dongs> http://hackaday.com/2012/11/28/mod-player-for-the-stellaris-launchpad/
2014-08-08T03:33:35 < dongs> thar u go
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2014-08-08T03:38:05 < upgrdman> dongs: thank you!
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2014-08-08T03:52:42 < dongs> should be trivial to do on stm32
2014-08-08T03:58:04 < dongs> upgrdman: expecting blog progress
2014-08-08T03:58:10 < dongs> i wanna do this on my f4-disco or so
2014-08-08T03:58:57 < upgrdman> ok
2014-08-08T03:59:19 < upgrdman> you want blog updates on what? mod player? my servo tester project?
2014-08-08T03:59:20 < dongs> code looks pretty celan, i wonder where he stole mod32.c/h from
2014-08-08T03:59:23 < dongs> mod player :)
2014-08-08T03:59:26 < upgrdman> k
2014-08-08T03:59:51 < dongs> https://github.com/makapuf/bitbox-mod
2014-08-08T03:59:51 < dongs> hmm
2014-08-08T03:59:58 < upgrdman> "The project ports existing code from an STM32 application. Since that is also an ARM microcontroller there’s not a ton of work that needed to be done..."
2014-08-08T04:00:04 < dongs> haha
2014-08-08T04:00:08 < dongs> it already was done for stm32?
2014-08-08T04:00:09 < upgrdman> quoting your HaD link
2014-08-08T04:00:25 < dongs> well shit, then youre done
2014-08-08T04:00:29 < upgrdman> :)
2014-08-08T04:01:04 < upgrdman> dhl should be delivering my Dirty PCBs tomorrow.
2014-08-08T04:01:37 < upgrdman> so anxious. hoping for the best, but being my first fab'd pcb, i expect problems too
2014-08-08T04:01:45 < dongs> I haven.t looked past the landing page, but he does state that it was ported from the MIPS PiC32, while HaD cites the ARM STM32.
2014-08-08T04:01:49 < dongs> hmm
2014-08-08T04:01:55 < upgrdman> :(
2014-08-08T04:02:33 < dongs> anywho, the only hardware dependent part is obviously pwm output
2014-08-08T04:02:37 < dongs> you could even use a dac for it
2014-08-08T04:02:39 < dongs> it prepares a buffer
2014-08-08T04:02:43 < dongs> all you need to do is clock it out
2014-08-08T04:02:47 < upgrdman> nice
2014-08-08T04:03:24 < dongs>  Original code by "Pascal Piazzalunga" - http://www.serveurperso.com
2014-08-08T04:03:24 < dongs>  Adapted fir bitbox by makapuf - makapuf2@gmail.com
2014-08-08T04:03:48 < dongs> thatrs the guy who d id mod32
2014-08-08T04:04:11 < dongs> chipkit, yeah
2014-08-08T04:04:13 < dongs> its for mips
2014-08-08T04:04:28 < dongs> so yeah, latest mod32 is here > https://github.com/makapuf/bitbox-mod
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2014-08-08T04:06:43 < dongs> http://bitboxconsole.blogspot.jp/ lol bitbox
2014-08-08T04:08:04 < dongs> https://www.youtube.com/watch?v=lxYCuPsd4eA#t=42 not bad
2014-08-08T04:08:11 < dongs> is that pic32
2014-08-08T04:08:41 < dongs> no
2014-08-08T04:08:43 < dongs> its f4!
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2014-08-08T04:55:42 < upgrdman> nice quad  http://imgur.com/RQpS1vS
2014-08-08T04:57:33 < gnomad> doll head reminds me of Helena Bonham Carter
2014-08-08T04:57:54 < upgrdman> lol
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2014-08-08T07:51:48 < emeb_mac> rofl http://www.walesonline.co.uk/news/wales-news/dirty-bird-cardiff-food-company-7578230
2014-08-08T07:54:21 < dongs> loo
2014-08-08T07:59:15 < upgrdman> in c, the comma operator can be used to make multiple statements into a block, right? like instead of                if(foo){bar; baz;}                 you could do                if(foo) bar, baz;       right?
2014-08-08T08:00:46 < jpa-> yes
2014-08-08T08:00:55 < upgrdman> k thanks
2014-08-08T08:05:20 < PaulFertser_> But it doesn't introduce a sequence point, so you can't e.g. have some variable modified twice, e.g. (a++,a++) is UB afaik.
2014-08-08T08:06:21 < jpa-> humm, IIRC the evaluation order of comma operation was fully specified
2014-08-08T08:06:35 < jpa-> otherwise it would also be unknown if bar or baz will execute first
2014-08-08T08:07:09 < PaulFertser_> Eval order affects side effects, yes, but I think the compiler can just defer the actual assignment of "a" for the first operation until later.
2014-08-08T08:07:19 < jpa-> yeah, comma is sequence point: http://en.wikipedia.org/wiki/Sequence_point
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2014-08-08T09:14:23 < PaulFertser_> You're right, of course.
2014-08-08T09:16:45 < jpa-> on the other hand, foobar(a++, a++) is undefined behaviour, because comma in function calls is not a comma operator :P
2014-08-08T09:17:07 < PaulFertser_> Yep
2014-08-08T09:20:35 < dongs> https://drive.google.com/file/d/0B6obTnNhsMxJYlVjRVNIM19fYlk/edit?usp=sharing
2014-08-08T09:21:32 < emeb_mac> shiny!
2014-08-08T09:34:46 < PaulFertser_> attn, AVR ISP programmer to the left
2014-08-08T09:35:48 < PaulFertser_> Duh, every time I read about those sequence point I think "damn, _now
2014-08-08T09:36:11 < PaulFertser_> _ i'll finally remember the shit" and then a year or two later, bah, I've forgotten it again.
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2014-08-08T10:31:51 < dongs> ha
2014-08-08T10:31:55 < dongs> there's a F401-Disco
2014-08-08T10:32:22 < jadew> Hey, I'm about to make a breakout board for a chip. Any idea if I have to expose anything other than SWD and SWCLK in order to debug/program it?
2014-08-08T10:32:32 < dongs> nrst would be nice
2014-08-08T10:32:37 < jadew> also, should I pull them up/down externally?
2014-08-08T10:32:40 < jadew> ah ha
2014-08-08T10:32:41 < dongs> no
2014-08-08T10:32:51 < dongs> why not just use standard cortex debug connector?
2014-08-08T10:33:00 < jadew> I didn't know there's a standard
2014-08-08T10:33:03 < dongs> http://infocenter.arm.com/help/topic/com.arm.doc.faqs/attached/13634/cortex_debug_connectors.pdf
2014-08-08T10:33:06 < dongs> there is
2014-08-08T10:33:18 < dongs> page 2
2014-08-08T10:33:35 < dongs> and those work with https://www.olimex.com/Products/ARM/JTAG/ARM-JTAG-20-10/
2014-08-08T10:33:37 < jadew> is that standard IDC?
2014-08-08T10:33:47 < dongs> its 1.27mm idc for hte connector
2014-08-08T10:33:55 < dongs> and get that adapter for 5 eur to go to standard 20pin jtag
2014-08-08T10:34:05 < dongs> then  you can use it wiht any debug probe you got..
2014-08-08T10:34:24 < jadew> I see
2014-08-08T10:34:26 < jadew> thanks
2014-08-08T10:34:35 < dongs> for SWD you dont need TDI or TDO
2014-08-08T10:34:41 < dongs> unless you wanna do tracing over SWO
2014-08-08T10:34:43 < dongs> then connect that too.
2014-08-08T10:34:45 < dongs> but not required.
2014-08-08T10:34:51 < dongs> nRST is recommended tho.
2014-08-08T10:35:02 < qyx_> minimum req is swdat/swclk just directly from the cpu
2014-08-08T10:35:08 < dongs> ya.
2014-08-08T10:35:08 < jadew> I see, I suppose that with out it, I'd have to reset the chip myself?
2014-08-08T10:35:16 < dongs> you can reset over sw
2014-08-08T10:35:20 < dongs> just might not always work
2014-08-08T10:35:24 < dongs> if you fuckup pll for example
2014-08-08T10:35:27 < dongs> and overclock to 400mhz
2014-08-08T10:35:32 < dongs> that kills SWD block too
2014-08-08T10:35:35 < dongs> have t o connect under reset
2014-08-08T10:35:44 < jadew> thing is, I see SWDIO, SWCLK are also working as general IOs
2014-08-08T10:35:56 < qyx_> they are swd byd default
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2014-08-08T10:36:00 < jadew> got it
2014-08-08T10:36:00 < dongs> jadew: they very well could be
2014-08-08T10:36:06 < dongs> you can disable it later afrte boot
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2014-08-08T10:36:36 < jadew> makes sense
2014-08-08T10:36:40 < jadew> thanks a lot guys
2014-08-08T10:37:05 < dongs> fun fact: on F1, when y ou set all ports as AIN at beginning, you don't have to exclude SWD stuff.
2014-08-08T10:37:18 < dongs> but you do on F4, otherwise, it will happily turn them into analog ins and disconnect from debugger :)
2014-08-08T10:37:46 < jadew> ah, interesting so if you're in a debuggin session you can still change their role
2014-08-08T10:37:53 < jadew> *debugging
2014-08-08T10:41:35 < dongs> ya
2014-08-08T10:44:09 < zyp> dongs, that's because F1 has special remap to control whether SWD pins are enabled or not, while on the chips with the new GPIO stuff, SWD is a normal AF
2014-08-08T10:44:17 < dongs> yeah
2014-08-08T10:44:34 < dongs> suspected something like that
2014-08-08T10:44:38 < dongs> was jus funny when it happened first time
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2014-08-08T10:46:39 < dongs> http://www.richtek.com/product_detail.jsp?p=RT9917
2014-08-08T10:48:11 < emeb_mac> https://www.youtube.com/watch?feature=player_embedded&v=lrdkFXsr5Us
2014-08-08T10:49:13 < zyp> emeb_mac, why are you still awake?
2014-08-08T10:49:30 < dongs> wow
2014-08-08T10:49:33 < emeb_mac> zyp: watching a tv show
2014-08-08T10:49:34 < dongs> 300meg/sec reads from this usb3 ssd
2014-08-08T10:50:08 < zyp> is that impressive?
2014-08-08T10:50:18 < dongs> from a $15 enclosure yea
2014-08-08T10:50:27 < zyp> fair enough
2014-08-08T10:50:33 < dongs> that fucking M.2 intel ssd I got was sata6, not pcie, so it didnt work in my mobo
2014-08-08T10:50:46 < jadew> what enclosure is that?
2014-08-08T10:50:48 < dongs> so instead of tring to waste time selling it i repurposed it as my work drive
2014-08-08T10:50:55 < jadew> it could be cheaper to get enclosures than the chip
2014-08-08T10:51:17 < dongs> http://www.ebay.com/itm/121362009228 definitely.
2014-08-08T10:51:20 < zyp> that's just because you're not buying a couple thousand chips at once
2014-08-08T10:51:33 < dongs> they go for around $15 but i had to buy this more expensive one (same type) because that seller had other shit I needed
2014-08-08T10:51:59 < zyp> ah, msata
2014-08-08T10:52:01 < dongs> http://www.ebay.com/itm/201133957637 i.e. here
2014-08-08T10:52:07 < dongs> no its smaller than msata
2014-08-08T10:52:12 < zyp> oh
2014-08-08T10:52:12 < dongs> M.2
2014-08-08T10:52:17 < dongs> some newer than new shit
2014-08-08T10:52:25 < jadew> that's amazing
2014-08-08T10:52:26 < zyp> right
2014-08-08T10:52:36 < dongs> I did have to finish soldering usb3 socket into it
2014-08-08T10:52:42 < dongs> but i figured for that price thats to be expected
2014-08-08T10:52:50 < dongs> the DIP parts werent evn attempted to get solder on them :)
2014-08-08T10:53:02 < zyp> haha
2014-08-08T10:53:11 < dongs> the chip was some 30-40-ish pin 5x5 QFN
2014-08-08T10:53:14 < dongs> ASMedia something
2014-08-08T10:53:20 < dongs> and a linear vreg
2014-08-08T10:53:23 < dongs> thats al ltehre is on that board
2014-08-08T10:53:29 < dongs> then just usb socket and m2 socket.
2014-08-08T10:54:26 < zyp> I went through the repaired boards the other day, half of them worked now
2014-08-08T10:54:38 < jadew> I wonder if it's a dedicated chip or general purpose chip with different markings (like an FX3 or something)
2014-08-08T10:55:03 < zyp> a couple of them now has solder inside the usb-socket preventing the plug from entering
2014-08-08T10:55:28 < emeb_mac> ooops
2014-08-08T10:55:28 < zyp> and one board was completely dead, I suspect that's the one that had the chip rotated 180 degrees before
2014-08-08T10:55:45 < zyp> because I guess powering random pins kills chips :p
2014-08-08T10:56:01 < emeb_mac> strangely
2014-08-08T10:57:00 < zyp> and then five or so enumerated over usb but for some reason failed during bootloader, I don't really understand that one
2014-08-08T10:57:37 < jadew> poor connection
2014-08-08T10:57:59 < jadew> it worked fine when barely any data got transmitted and derped when you actually used it
2014-08-08T10:58:45 < zyp> I've never seen that failure mode before, and it kinda looks like a bug either in the bootloader or the host script, but it's happening consistly on a set of five boards or so, and no other boards
2014-08-08T10:59:33 < zyp> jadew, that's not really consistent with the behavior
2014-08-08T11:00:21 < zyp> anyway, I'm going to debug it later when I have time to dick around with that shit
2014-08-08T11:00:28 < jadew> I had something similar happen when I connected the wrong pin to a databus (the one next to the one I should have)
2014-08-08T11:00:28 < GargantuaSauce_> bootloader/firmware enabling an output that's short to ground or something?
2014-08-08T11:00:42 < dongs> hmpf, i wonder if I could have done a better job reworking them.
2014-08-08T11:00:49 < jadew> it was working fine most of the time, because the real pin was in high impedance and was picking up the level changes
2014-08-08T11:01:02 < dongs> i've done a number of those USB sockets with focused IR reflow and it worked great
2014-08-08T11:01:10 < dongs> did teh sockets lookeed melted/fucked up?
2014-08-08T11:01:26 < zyp> not that I could notice
2014-08-08T11:02:14 < zyp> but I saw the XH socket closest to the USB connector was a bit melted on the side facing it :p
2014-08-08T11:02:26 < dongs> faile
2014-08-08T11:02:32 < zyp> not enough to deform it though, so I don't care
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2014-08-08T12:24:33 < Tectu> dongs
2014-08-08T12:26:40 < jpa-> Tectu: why do you keep slapping me but then get upset if i grab you in return?
2014-08-08T12:27:06 < Tectu> jpa-, because slapping and grabbing is not the same
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2014-08-08T12:27:18 < Tectu> one expresses admiration, the other expresses sexual raep
2014-08-08T12:27:34 < jpa-> what, you admire people by slapping them?
2014-08-08T12:27:43 < jpa-> that's waaaay strange
2014-08-08T12:27:52 < jpa-> says the butt-grapper
2014-08-08T12:28:00 < Tectu> no, I slap people that I admire
2014-08-08T12:28:34 < jpa-> oh well, i grab people that slap me
2014-08-08T12:30:24 < Tectu> that indeed becomes a difficult situation
2014-08-08T12:30:27 < Tectu> how many people slap you?
2014-08-08T12:30:46 < jpa-> 1 so far
2014-08-08T12:31:01 < jpa-> i'm trying to deal with it by grabbing him until he stops
2014-08-08T12:31:59 < Tectu> do you expect any successful result from that?
2014-08-08T12:32:18 < jpa-> we will see
2014-08-08T12:32:38 < jpa-> there is always stuff that can happen in a dark sauna in the middle of the night
2014-08-08T12:32:42  * Tectu slaps jpa- :o
2014-08-08T12:32:50 < Tectu> stop the sauna thing please
2014-08-08T12:32:57 < Tectu> Steffanx already thinks that we are into something
2014-08-08T12:33:06 < jpa-> s/thinks/knows/
2014-08-08T12:33:35 < zyp> you're not really keeping it secret
2014-08-08T12:33:36 < jpa-> and apparently you admire me when i talk dirty?
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2014-08-08T12:35:04 < Tectu> I'd admire you even more if you'd design some necklace for me too
2014-08-08T12:35:39 < jpa-> nah, necklaces are for wives not for saunabuddies
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2014-08-08T12:42:45 < Tectu> lol
2014-08-08T12:46:42 < jpa-> i'm somehow surprised that time spent on necklaces is approved by Tectu, while time spent on juice decanter pipes is not approved
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2014-08-08T12:49:07 < Tectu> jpa-, different things
2014-08-08T12:49:51 < jpa-> equally useless
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2014-08-08T13:12:22 < Tectu> I don't think so
2014-08-08T13:13:58 < jpa-> http://forum.dlang.org/thread/20121030054142.00002a16@unknown#post-k6o8p9:242k8q:241:40digitalmars.com    oh no, someone wants to stab me in the face :(
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2014-08-08T13:25:07 < Tectu> do you prefer stabbing over slapping?
2014-08-08T13:25:18 < jpa-> not really
2014-08-08T13:25:29 < jpa-> but i wouldn't grab a stabber
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2014-08-08T13:25:37 < Tectu> how comes?
2014-08-08T13:25:53 < jpa-> i would be running away as fast as i can
2014-08-08T13:26:13 < Tectu> you could first grab, then run?
2014-08-08T13:26:47 < jpa-> grabbing is not a fast thing
2014-08-08T13:27:03 < jpa-> you first have to choose the perfect spot, then approach, then squeeze, and then hold for a while
2014-08-08T13:28:42 < Tectu> you can distract the stabber to gain some more time
2014-08-08T13:29:33  * jpa- jabs Tectu 
2014-08-08T13:29:40 < Tectu> LOL
2014-08-08T13:29:51 < Tectu> didn't see that one coming
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2014-08-08T13:37:22 < Viper168> you pull out a bigger knife
2014-08-08T13:37:31 < Viper168> and if they don't run off you gut them :P
2014-08-08T13:37:55 < Viper168> but that's just me :P
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2014-08-08T13:40:33 < Viper168> I have a nice big survival rambo knife that is good for that crocodile dundee bit
2014-08-08T13:40:40 < Viper168> you call that a knoif
2014-08-08T13:40:50 < Viper168> this is a knoif
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2014-08-08T14:02:29 < baird> I discovered a few weeks ago that the scene in the first Dundee movie with the water buffalo was filmed just behind my brother's place..
2014-08-08T14:02:46 < baird> So that makes me Special
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2014-08-08T14:03:13 < Steffanx> You were already special before that.
2014-08-08T14:03:26 < Steffanx> *Special
2014-08-08T14:06:32 < Steffanx> btw baird.. we need more pics of your stuff getting vacume sealed by your vacume-o-matic sealer on twitter.
2014-08-08T14:06:53 < Steffanx> *vacuum
2014-08-08T14:19:38 < dongs> what is he vacuumsealingshit for
2014-08-08T14:20:39 < zyp> http://upload.wikimedia.org/wikipedia/commons/a/ae/Vacuum_bed_18.jpg <- this kind of shit?
2014-08-08T14:21:29 < dongs> sounds like the kinda shit you'd find on wikipedia
2014-08-08T14:21:48 < zyp> what kind of shit do you not find on wikipedia?
2014-08-08T14:22:03 < dongs> normal shit
2014-08-08T14:23:32 < zyp> http://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/BearApplePoop.JPG/800px-BearApplePoop.JPG <- like this?
2014-08-08T14:24:00 < Steffanx> Almost zyp
2014-08-08T14:24:52 < Steffanx> https://twitter.com/Chris_J_Baird/status/493566546673807360 https://twitter.com/Chris_J_Baird/status/488873644408332288
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2014-08-08T15:17:09 < dongs> lol @ nexus10
2014-08-08T15:17:14 < dongs> what was the pooint
2014-08-08T15:18:18 < Steffanx> barometer metering?
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2014-08-08T15:41:53 < baird> Knew that the sealer was BSing about the 'vacuum' claim, and the N10 was the only thing around with a barometer in it..  (It would've been better to use a Garmin 60CS..)
2014-08-08T15:42:50 < baird> Still, the measurement of 245mmHg works out to have a drying/dessicating ability of about 3x better..
2014-08-08T15:43:37 < baird> (3x better than STP)
2014-08-08T15:44:15 < baird> Gots a freezer filled with dehydrated camping meals now.
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2014-08-08T15:45:56 < dongs> fuck
2014-08-08T15:46:00 < baird> I'm now trying to get a local Makerspace guy to bring his turbomolecular pump in to fuck around with.
2014-08-08T15:46:10 < dongs> i pressed something and altium is now moving entier union when I just drag one part
2014-08-08T15:46:14 < dongs> WTF
2014-08-08T15:48:44 < baird> Although a roughing pump is probably all that's needed. About the only thing made at that Makerspace so far is Coffee... so doing our own freeze-dried instant coffee should be done. :)
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2014-08-08T16:12:26 < dongs> ah making it a union automatically drags all
2014-08-08T16:12:40 < dongs> i guess thats only ok after im done routing everything inside and locked/decided
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2014-08-08T18:10:40 < Laurenceb_> sailfish dev team spotted
2014-08-08T18:10:41 < Laurenceb_> http://mynokiablog.com/wp-content/uploads/2013/02/DSC02158.jpg
2014-08-08T18:10:44 < Laurenceb_> or not....
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2014-08-08T18:14:49 < dongs> Sailfish OS : mobile-optimized with the flexibility, ubiquity and stability of the Linux core and a cutting edge user experience built with the renowned Qt. platform ...
2014-08-08T18:14:52 < dongs> wat
2014-08-08T18:15:29 < zyp> inb4 «failfish»
2014-08-08T18:15:41 < dongs> yeah, more like that
2014-08-08T18:19:39 < MrMobius> Laurenceb_, is that in sweden?
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2014-08-08T18:22:36 < Laurenceb_> Finland
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2014-08-08T18:49:33 < jadew> lol... did nokia start another fail OS?
2014-08-08T18:50:05 < jadew> like symbian didn't hurt them enough
2014-08-08T18:51:13 < jadew> also, the chick in first plan has no tits
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2014-08-08T19:00:56 < jpa-> it's jolla's
2014-08-08T19:01:14 < jadew> who is jolla?
2014-08-08T19:01:23 < jpa-> small startup of ex-nokia people
2014-08-08T19:01:58 < jadew> then I guess there's no harm in that
2014-08-08T19:02:33 < jadew> the fact that it's Qt based made me think it's a new nokia project
2014-08-08T19:03:03 < jpa-> well, qt is the most sane if one wants something ready-made
2014-08-08T19:03:10 < jadew> kinda silly to try to compete with google, apple and microsoft :)
2014-08-08T19:03:33 < jpa-> why, with a small company even a small marketshare can be profitable
2014-08-08T19:03:41 < jadew> jpa-, yeah, it's ok
2014-08-08T19:03:55 < jadew> jpa-, because you won't get even a small marketshare
2014-08-08T19:04:30 < jpa-> especially if their system to run android apps works (and becomes still better), it's not that different from regular android phone with different UI
2014-08-08T19:05:02 < jadew> they plan to run android apps?
2014-08-08T19:05:08 < jpa-> they already do
2014-08-08T19:05:16 < jadew> so it's an android clone + qt?
2014-08-08T19:05:17 < jpa-> the phone is on the market, buggy as hell of course
2014-08-08T19:05:28 < jpa-> no, it is custom OS with android compatibility layer
2014-08-08T19:05:33 < jadew> bullshit
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2014-08-08T19:06:10 < jpa-> bullshit how?
2014-08-08T19:06:16 -!- bvsh [~bvsh@unaffiliated/bvsh] has quit [Ping timeout: 255 seconds]
2014-08-08T19:06:33 < jpa-> of course they can reuse the open source parts of android standard library
2014-08-08T19:06:35 < jadew> they didn't re-write android stuff
2014-08-08T19:06:38 < jadew> they just copy it
2014-08-08T19:06:50 < jadew> so it's not a compatiblity layer, it's actually the android core
2014-08-08T19:07:04 < jpa-> android core inside a sandbox, AFAIK
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2014-08-08T19:07:14 < jpa-> and compatibility layer to interface with the rest of the OS
2014-08-08T19:07:22 < jpa-> because it's not all built on android
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2014-08-08T19:07:42 < jpa-> (for example, the user interface is QT)
2014-08-08T19:07:49 < jadew> yeah, I got that
2014-08-08T19:08:01 < jadew> but I suppose that the android stuff is rendered the android way
2014-08-08T19:08:05 < jadew> not via Qt
2014-08-08T19:08:17 < jpa-> probably wrapped somehow
2014-08-08T19:08:36 < jpa-> dunno how window managers on smartphones work anyway
2014-08-08T19:08:36 < jadew> would be too much trouble
2014-08-08T19:09:15 < jpa-> but considering you can see "overview" of running apps etc. together, it all has to be brought together in some single rendering system; not like you can give exclusive screen control
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2014-08-08T19:10:12 < jadew> jpa-, they're probably just passing their own device context to the android apps
2014-08-08T19:10:18 < jadew> and work their way from there
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2014-08-08T19:10:32 < jpa-> device context of which rendering system?
2014-08-08T19:11:04 < jadew> jpa-, it's probably a wrapper for their own rendering system
2014-08-08T19:11:04 < jpa-> it's not like they are stupid enough to run X11 on a smartphone
2014-08-08T19:11:12 < jpa-> aha, wrapped!
2014-08-08T19:11:13 < jadew> that exposes the same functionality the android apps expect
2014-08-08T19:12:23 < jadew> not that big of a deal really, the device context is nothing more than a chunk of memory in most cases, so they just have to implement some drawing functions & memory operations
2014-08-08T19:12:38 < jadew> I'd like to see some native apps tho
2014-08-08T19:14:22 < jpa-> there are quite many native apps
2014-08-08T19:14:38 < jadew> looking at a video right now, doesn't look bad
2014-08-08T19:14:51 < jpa-> dunno if it still runs the meego apps also
2014-08-08T19:15:12 < jpa-> it's also quite nice for hacking, as it is full linux with reasonable userland
2014-08-08T19:15:41 < jadew> interesting
2014-08-08T19:16:24 < jadew> I guess time will tell if it will have any success, personally I think it's futile to try to gain market share in this area
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2014-08-08T19:17:46 < jpa-> nah, as long as there is fast development going on, there are chances for runner-ups to catch
2014-08-08T19:17:56 < jpa-> not that i have much faith at jolla specifically
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2014-08-08T21:30:21 < jyraff> how to make a i2c repeated START condition with ST standard peripheral library?
2014-08-08T22:06:08 < zyp> just like a normal start
2014-08-08T22:06:27 < zyp> if you send another start after a start without a stop, it will be a repeated start
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2014-08-09T00:34:02 < jyraff> i have a problem. I connected ADXL345 to my STM32F4 discovery, I wrote a code to configure it and it stucks on this function: while(!I2C_CheckEvent(I2Cx, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
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2014-08-09T00:36:05 < GargantuaSauce> I had to write my own i2c implementation for that chip, cant remember exactly what the issue was
2014-08-09T00:36:15 < GargantuaSauce> one of the flags the reference implementation waited on did not toggle
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2014-08-09T00:58:45 < jyraff> it seems I solved that problem
2014-08-09T00:58:51 < jyraff> thanks
2014-08-09T00:59:33 < jyraff> but now I have another problem - I can't do repeated start, because program stucks on this moment: while(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY));
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2014-08-09T03:53:19 < dongs> jyraff: are you clearing i2c on startup
2014-08-09T03:53:50 < dongs> jyraff: https://github.com/multiwii/baseflight/blob/master/src/drv_i2c.c#L326 something like this
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2014-08-09T03:54:29 < jyraff> which register I should clear?
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2014-08-09T03:56:29 < dongs> none, read the code
2014-08-09T03:56:50 < jyraff> dongs, ok, thank you very much
2014-08-09T03:57:03 < dongs> you need to clock out bits on scl, just to make sure the slaves arent stuck or waiting for something etc
2014-08-09T03:57:08 < dongs> because your i2c code died
2014-08-09T03:57:59 < dongs> http://bcas.tv/paste/results/JktNQi24.html and this should be a working i2c impl on f4, at least it worked for me in 2012
2014-08-09T03:58:49 < jyraff> I use this: https://github.com/devthrash/STM32F4-examples/blob/master/I2C%20Master/main.c
2014-08-09T03:59:18 < dongs> well, try unsticking i2c and see how that works out.
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2014-08-09T04:17:18 < upgrdman> #if 0    ?
2014-08-09T04:17:26 < upgrdman> is that just to disable a block of code?
2014-08-09T04:17:55 < dongs> yes
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2014-08-09T04:22:53 < dongs> wow, that indentation style in gxti code
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2014-08-09T04:31:56 < upgrdman> link?
2014-08-09T04:32:07 < dongs> closed already
2014-08-09T04:32:14 < dongs> google his laureline gps ntp server
2014-08-09T04:32:20 < dongs> its on shithub
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2014-08-09T04:36:11 < upgrdman> found it
2014-08-09T04:36:16 < upgrdman> what file looked weird?
2014-08-09T04:36:20 < dongs> ive only looked at lib/stm32/i2c
2014-08-09T04:36:26 < upgrdman> main.c looks normal at first glance
2014-08-09T04:36:58 < upgrdman> the return time being on its own line?
2014-08-09T04:37:02 < upgrdman> s/time/type
2014-08-09T04:37:31 < dongs> yeah
2014-08-09T04:37:38 < dongs> and { on same line after that
2014-08-09T04:37:39 < dongs> horrible
2014-08-09T04:37:47 < upgrdman> unsettling for me too
2014-08-09T04:40:09 < emeb_mac> wonder if alibaba takes paypal
2014-08-09T04:40:16 < dongs> generally not.
2014-08-09T04:40:21 < dongs> what do you need?
2014-08-09T04:40:32 < emeb_mac> a bunch of SAW filters
2014-08-09T04:40:41 < dongs> i can check for you.
2014-08-09T04:40:43 < dongs> got a part#?
2014-08-09T04:41:10 < emeb_mac> TA1090EC and TA0232A
2014-08-09T04:41:34 < upgrdman> is there a nice way to deal with times when you need an enum whose constants are numbers? like enum {0, 90, 180, 270} rotation; ... can't do that. spell them out "ZERO" etc. ?
2014-08-09T04:41:48 < dongs> emeb_mac: how many?
2014-08-09T04:42:15 < emeb_mac> just a few - 5 or 10 ea
2014-08-09T04:43:03 < dongs> ok lemme see.
2014-08-09T04:46:13 < dongs> http://make.dmm.com/easy/figure/ jap 3d printing
2014-08-09T04:49:05 < dongs> emeb_mac: TA0232A  only is available, 2 days, 6.50/ea for samples
2014-08-09T04:49:17 < dongs> (if you see something else on alibaba claiming its avilable, then its not)
2014-08-09T04:49:39 < dongs> that seems spendy for a saw filter tho
2014-08-09T04:50:09 < emeb_mac> dongs:  there's a bunch of folks who resell cut tape
2014-08-09T04:50:21 < dongs> do they have actual pictures of htem tho?
2014-08-09T04:50:24 < emeb_mac> ya
2014-08-09T04:50:35 < dongs> there's lots of spam that just has "IC xxx" and no real price/availabiltiy
2014-08-09T04:50:50 < emeb_mac> it's a fairly popular part for ADS-B receivers
2014-08-09T04:56:37 < emeb_mac> I can get them from an outfit in germany for about 9euro ea. Probably have to go that way
2014-08-09T04:57:08 < dongs> emeb_mac: my girl says, places that claim having ta1090EC dont actually have stock
2014-08-09T04:57:19 < dongs> and are just trolling
2014-08-09T04:57:26 < emeb_mac> ugh
2014-08-09T04:58:03 < dongs> the 2nd one can get tho, has local stock in chian
2014-08-09T04:58:12 < dongs> but i duno if that price is good or bad or wat
2014-08-09T04:58:15 < dongs> seems a bit high, no?
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2014-08-09T05:02:03 < emeb_mac> Price isn't bad compared to what other outfits are charging
2014-08-09T05:02:38 < emeb_mac> I can get them from the germans for 7.98eu ea
2014-08-09T05:02:53 < emeb_mac> both kinds
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2014-08-09T06:18:20 < dongs> https://www.kickstarter.com/projects/105790017/oversized-illustration-on-a-building?ref=category
2014-08-09T06:20:07 < dongs> https://www.kickstarter.com/projects/252587878/biscuit-board-solderless-prototyping-board?ref=category what the fuck is this
2014-08-09T06:20:56 < GargantuaSauce> it is 500mL hard to fall out
2014-08-09T06:20:57 < GargantuaSauce> clearly
2014-08-09T06:22:39 < dongs> http://frentrep.com/shop/breadboardmaniac/bbm-muc.html ????????????????
2014-08-09T06:26:50 < dongs> blogging
2014-08-09T06:28:27 < dongs> https://twitter.com/breadbrdmaniac/status/463219193291108352 l o l
2014-08-09T06:29:55 < dongs> WAIT
2014-08-09T06:29:57 < dongs> The Biscuit Board is designed on the assumption that you use it one time only.
2014-08-09T06:29:57 < dongs> Once you install an electronic part in this Biscuit Board, the inside of hole gets expanded.
2014-08-09T06:30:00 < dongs> So, we do not recommend you to re-install it in the same part of the Biscuit Board.
2014-08-09T06:30:10 < dongs> holy shit, a $30 breadboard you cant reuse???????????
2014-08-09T06:34:02 < dongs> better than trolled
2014-08-09T06:35:03 < dongs> https://www.kickstarter.com/projects/1200779051/crazy-ant-crusher-kills-crazy-ants-no-chemicals?ref=category
2014-08-09T06:35:27 < upgrdman> R2COM: corrupt politicians taking bribes.
2014-08-09T06:36:44 < upgrdman> that, and politicians not wanting to properly fund public roads, so there can be genuinely insufficient public roadways ... retarded.
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2014-08-09T07:14:45 < upgrdman> got tetris implemented on my f0.
2014-08-09T07:15:17 < upgrdman> now i just need to optimize the lcd redraw code to speed it up and remove the taring.
2014-08-09T07:15:19 < upgrdman> https://www.youtube.com/watch?v=E-4d2yG9azA
2014-08-09T07:15:36 < upgrdman> and get a mod player going for it :)
2014-08-09T07:15:42 < GargantuaSauce> sweet
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2014-08-09T07:27:25 < dongs> upgrdman: it has a bug, its not deleteing complete lines
2014-08-09T07:28:21 < upgrdman> hmm
2014-08-09T07:28:29  * upgrdman reviews video
2014-08-09T07:31:42 < upgrdman> looks right to me. did you see the end of the video?
2014-08-09T07:37:38 < dongs> i didnt se it actually removing lines???
2014-08-09T07:37:43 < dongs> there's 2 complete lines
2014-08-09T07:38:32 < emeb_mac> latest project: http://ebrombaugh.studionebula.com/radio/adsb-cape/index.html
2014-08-09T07:38:34 < upgrdman> dongs: https://www.youtube.com/watch?v=E-4d2yG9azA&t=2m10s
2014-08-09T07:38:56 < dongs> oh
2014-08-09T07:38:59 < emeb_mac> that's what those SAWs are for
2014-08-09T07:39:00 < dongs> there was open one at end
2014-08-09T07:39:06 < upgrdman> ya :)
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2014-08-09T07:41:52 < madist> what's a "cape" ? some rPI thing ?
2014-08-09T07:42:01 < upgrdman> for beagleboners
2014-08-09T07:42:11 < madist> ah, should have realized that from the curves.
2014-08-09T07:42:49 < madist> emeb_mac: the RF section was designed by you ?
2014-08-09T07:42:57 < madist> (layout)
2014-08-09T07:43:12 < emeb_mac> madist: collaboration with another guy
2014-08-09T07:44:25 < emeb_mac> basic architecture similar to other ads-b receivers out there, with tweaks for better sensitivity.
2014-08-09T08:06:08 < ds2> does that work with mil aircraft?
2014-08-09T08:06:40 < ds2> and are you driving out to goodyear to test it?
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2014-08-09T08:29:33 < emeb_mac> ds2: that works with anyone who has a mode-s transponder
2014-08-09T08:29:49 < emeb_mac> most mil aircraft carry mode-s just for compatibility
2014-08-09T08:30:14 < emeb_mac> but I don't need to drive out to test it - I get about 100 mile range just from my office
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2014-08-09T08:54:08 < ds2> really?
2014-08-09T08:54:10 < ds2> hmmm
2014-08-09T08:54:29 < emeb_mac> yup
2014-08-09T08:55:13 < ds2> what's the bom like?
2014-08-09T08:55:31 < ds2> sounds tempting to know what's flying over head (I'm in flight path for SJC)
2014-08-09T08:56:19 < emeb_mac> haven't finished the bom yet, but guessing ~$75 for everything
2014-08-09T08:56:22 < PaulFertser> ds2: why not just get rtlsdr for that?
2014-08-09T08:56:44 < emeb_mac> rtlsdr is good for getting feet wet
2014-08-09T08:57:15 < emeb_mac> not very good for heavy traffic, noisy environments or weak signals
2014-08-09T08:57:29 < emeb_mac> cheap to try tho
2014-08-09T08:57:39 < ds2> rtlsdr is kind of dead
2014-08-09T08:57:57 < ds2> but then I donno what the noise floor of this is either
2014-08-09T08:58:08 < ds2> I'd expect it to be better since it wasn't designed as a comsumer item
2014-08-09T08:58:09 < emeb_mac> the front end is horrible - crappy tracking filters that aren't selective
2014-08-09T08:58:24 < emeb_mac> (of rtl-sdr)
2014-08-09T08:58:42 < emeb_mac> this front end is very selective and sensitive
2014-08-09T08:58:48 < dongs> i thought rt820t2 solvs that
2014-08-09T08:58:58 < ds2> emeb_mac: you using any exotic, hard to get parts?
2014-08-09T08:58:59 < emeb_mac> not really
2014-08-09T08:59:37 < emeb_mac> dongs: the r820t front end really isn't much different in performance from the e4000
2014-08-09T08:59:45 < dongs> emeb_mac: T2
2014-08-09T08:59:54 < dongs> has programmable bandwidth filter
2014-08-09T09:00:01 < dongs> so you can selcet waht you want inside 8mhz
2014-08-09T09:00:03 < dongs> specifically
2014-08-09T09:00:05 < emeb_mac> haven't seen those yet
2014-08-09T09:00:19 < emeb_mac> how much stopband rejection?
2014-08-09T09:00:34 < ds2> 6db? ;)
2014-08-09T09:00:39 < emeb_mac> haha
2014-08-09T09:00:40 < dongs> theres pics somewehre on airspy
2014-08-09T09:00:47 < emeb_mac> I'll look
2014-08-09T09:01:22 < emeb_mac> but 8MHz doesn't help much considering that rtlsdr sample rate is 2MHz max - still plenty of aliases
2014-08-09T09:01:47 < ds2> someone should get a 1MHz brickwall on there
2014-08-09T09:01:56 < dongs> uhhhhhhhhhhh lol  they';re making them with shittead studio
2014-08-09T09:02:01 < emeb_mac> ds2: all parts on this are at Digi-Key except the saws
2014-08-09T09:02:20 < emeb_mac> the saws come from an outfit in germany
2014-08-09T09:03:07 < dongs> sawzall
2014-08-09T09:05:53 < emeb_mac> a big problem w/ rtlsdr approach to ADS-B is that it samples at 2MHz which is exactly the pulse rate.
2014-08-09T09:06:04 < emeb_mac> so no chance for oversampling / data alignment
2014-08-09T09:06:37 < emeb_mac> if your timing phase is bad then you'll lose the burst
2014-08-09T09:06:58 < emeb_mac> my demod oversamples 10x and locks onto the best phase.
2014-08-09T09:07:30 < jadew> kicad blows
2014-08-09T09:07:36 < ds2> are the are the saw
2014-08-09T09:07:43 < dongs> agreed
2014-08-09T09:07:53 < ds2> are the saws available in singles?
2014-08-09T09:07:59 < emeb_mac> ds2: yes
2014-08-09T09:08:04 < ds2> and SAW == no tuning, right?
2014-08-09T09:08:11 < emeb_mac> yes
2014-08-09T09:08:18 < ds2> nice. no cal
2014-08-09T09:08:22 < emeb_mac> this stuff works at a single freq
2014-08-09T09:08:24 < ds2> what freq are the saw's on?
2014-08-09T09:08:29 < emeb_mac> 1090MHz
2014-08-09T09:09:01 < ds2> ah...thought it was for an IF
2014-08-09T09:09:42 < emeb_mac> nope - the whole front end runs at the carrier freq, then into a logamp detector with video out
2014-08-09T09:10:25 < ds2> that part I don't understand... thought it was data info on ADS
2014-08-09T09:10:31 < ds2> ?
2014-08-09T09:10:37 < emeb_mac> it is - pulse modulation
2014-08-09T09:10:48 < ds2> then what does video have to do with it?
2014-08-09T09:10:58 < dongs> thats how he gets it into beagleboner
2014-08-09T09:11:10 < emeb_mac> that's just a term for the fast analog after envelope detection
2014-08-09T09:12:07 < ds2> Ohhhhhhh got it
2014-08-09T09:12:12 < ds2> a la "Video amps"
2014-08-09T09:12:16 < emeb_mac> ya
2014-08-09T09:12:34 < ds2> and the fpga does pulse to data conversion?
2014-08-09T09:12:35 < emeb_mac> it's a fairly wide bandwidth baseband analog
2014-08-09T09:12:42 < emeb_mac> right
2014-08-09T09:12:51 < emeb_mac> I've got a 20MSPS ADC
2014-08-09T09:12:55 < emeb_mac> 10 bits
2014-08-09T09:13:05 < ds2> what's that for?
2014-08-09T09:13:13 < emeb_mac> goes into the FPGA where it's processed to extract the data
2014-08-09T09:13:22 < ds2> if it is pulse, why not just limit it and straight into FPGA?
2014-08-09T09:13:35 < emeb_mac> because the amplitude matters
2014-08-09T09:13:46 < ds2> oh
2014-08-09T09:13:50 < ds2> so it is not pure pulse mod
2014-08-09T09:13:51 < emeb_mac> there's lots of aircraft sending at once
2014-08-09T09:14:04 < emeb_mac> so you need to be able to pick the strongest one
2014-08-09T09:14:33 < emeb_mac> also need to adjust the slicing threshold as signal strength changes
2014-08-09T09:15:11 < ds2> nothing fancy like CDMA?
2014-08-09T09:15:14 < emeb_mac> no
2014-08-09T09:15:28 < emeb_mac> simple pulse-position modulation
2014-08-09T09:15:48 < ds2> how much are the 20MSPS adcs in singles?
2014-08-09T09:16:01 < emeb_mac> $8 I think
2014-08-09T09:16:21 < dongs> cool project
2014-08-09T09:16:23 < dongs> only one problem
2014-08-09T09:16:26 < ds2> if you are using a 20MSPS ADCs, then no way can a RTL handle it (you just said that is 2M bw)
2014-08-09T09:16:26 < dongs> requires beagleboner
2014-08-09T09:16:35 < ds2> dongs: I don't see anything specific to that so far
2014-08-09T09:16:46 < emeb_mac> dongs: I could redesign it for rpi if you like :)
2014-08-09T09:16:55 < dongs> Model B+ please
2014-08-09T09:16:55 < ds2> what's the BONE - FPGA interface?
2014-08-09T09:17:12 < emeb_mac> ds2: SPI & I2C
2014-08-09T09:17:26 < emeb_mac> you could drive this with an STM32 if you wanted
2014-08-09T09:17:33 < ds2> which one for ADS data?
2014-08-09T09:17:41 < emeb_mac> SPI
2014-08-09T09:17:48 < ds2> ah I2C to strap the FPGA?
2014-08-09T09:17:49 < emeb_mac> SPI also configures the FPGA
2014-08-09T09:17:57 < ds2> what's SPI for then?
2014-08-09T09:18:19 < emeb_mac> I2C controls the FPGA programming process
2014-08-09T09:18:30 < emeb_mac> just a port expander
2014-08-09T09:18:30 < ds2> I see
2014-08-09T09:18:38 < emeb_mac> could be GPIO if you've got 'em
2014-08-09T09:18:48 < ds2> wonder how much more expensive is to slap on a EEPROM instead
2014-08-09T09:19:12 < emeb_mac> Flash for the FPGA is about $4 or so
2014-08-09T09:19:34 < ds2> sounds like it might be worth $4 to avoid having to do strap'ing on the fpga
2014-08-09T09:19:44 < ds2> <--- sick and tire of the DT crap
2014-08-09T09:19:52 < emeb_mac> if you're running it from a microcontroller yeah
2014-08-09T09:20:03 < ds2> even on the bone
2014-08-09T09:20:19 < emeb_mac> but with embedded linux it's easier to load it from the host
2014-08-09T09:20:27 < emeb_mac> mainly during development
2014-08-09T09:20:34 < ds2> right now, it is nearly impossible to get a driver that moves nicely between kernel versions
2014-08-09T09:21:01 < emeb_mac> dunno about that - my driver is all userland
2014-08-09T09:21:07 < emeb_mac> spidev and i2cdev
2014-08-09T09:21:10 < ossifrage> Anyone use recent launchpad gcc with -flto?
2014-08-09T09:22:11 < ds2> oh one of THOSE
2014-08-09T09:22:20 < emeb_mac> ds2: yeah - one of those
2014-08-09T09:22:26 < PaulFertser> ossifrage: yes, I've tried it
2014-08-09T09:22:28 < ds2> spidev is in a state of flux due to DT
2014-08-09T09:22:33 < ds2> you just move the problem elsewhere
2014-08-09T09:22:49 < ossifrage> I've been trying to track down this really weird behavior with -flto enabled, every once and a while I get a compile that hard faults early in the startup
2014-08-09T09:22:51 < emeb_mac> people are always yelling at me about doing it in userland, but it's worked fine across multiple kernel versions
2014-08-09T09:23:07 < madis_> what is -flto ? google suggests LLVM but what is LLVM doing on MSP430 ?
2014-08-09T09:23:09 < ossifrage> But the weird thing is that I just recompile and the problem magically goes away
2014-08-09T09:23:34 < ossifrage> lto is the global optimizer
2014-08-09T09:23:47 < ossifrage> it is really useful for getting sane inlining
2014-08-09T09:24:26 < ossifrage> and it was knocking about 1us of an interrupt handler vs -Os
2014-08-09T09:25:07 < ds2> that's cuz you brush things under the rug
2014-08-09T09:25:15 < ossifrage> The next time it happens I need to capture the differences between a working and a failing version, but is so bloody strange
2014-08-09T09:25:25 < ds2> emeb_mac: what's the bit rate for the data?
2014-08-09T09:26:23 < dongs> haha theres beaky 3.0 in #stonertronics
2014-08-09T09:26:31 < dongs> < piglit> my dream is to make a swith mode psu that is very accurate dream of it last few years
2014-08-09T09:27:13 < ds2> emeb_mac: also, how big is the FPGA?
2014-08-09T09:28:45 < PaulFertser> ossifrage: for the interrupt handler, I think you can help the optimizer and have it inline everything needed even with -Os.
2014-08-09T09:28:52 < ds2> hmmm didn't Xilinx came out with pin compat. ones that have built in bootstrap flash?
2014-08-09T09:29:17 < ossifrage> PaulFertser, this was cross module stuff, it stripped out a few function calls
2014-08-09T09:29:40 < PaulFertser> ossifrage: I had to disable -flto on my work project because debugging is more problematic with it, it mostly works, but some structs or functions become unavailable for normal inspection with gdb etc.
2014-08-09T09:29:41 < dongs> ds2: you mean the AN series?
2014-08-09T09:29:42 < emeb_mac> ds2: bit rate is 1Mbps
2014-08-09T09:29:51 < dongs> i duno if there's a TQFP AN
2014-08-09T09:29:58 < dongs> i think smallest is 256bga
2014-08-09T09:29:59 < PaulFertser> ossifrage: yes, for cross-module the usual practice is to have it "static inline" in a header file.
2014-08-09T09:30:23 < PaulFertser> I agree with ST's library -flto is a huge win just because they decided not to do all of their shit static inline.
2014-08-09T09:30:24 < emeb_mac> ds2: I'm using an XC3S200A now - about 50% full
2014-08-09T09:30:29 < ds2> dongs: not sure... I was asked to buy a Xilinx programmer at customer expense to program their board and somewhere it said that
2014-08-09T09:30:51 < ds2> emeb_mac: would you recommend that as a FPGA to learn/start with?
2014-08-09T09:30:54 < ossifrage> PaulFertser, I really dislike the overuse of static inline in headers, it tends to bloat and is messy
2014-08-09T09:31:11 < emeb_mac> ds2: the spartan 3A parts are nice
2014-08-09T09:31:16 < ds2> dongs: ah I see
2014-08-09T09:31:17 < emeb_mac> plenty of room in them
2014-08-09T09:31:19 < dongs> oh im thinking spartan 3AN
2014-08-09T09:31:20 < dongs> i think
2014-08-09T09:31:21 < dongs> probably EOL now
2014-08-09T09:31:29 < emeb_mac> nah
2014-08-09T09:31:37 < emeb_mac> they're still around,
2014-08-09T09:31:39 < PaulFertser> ossifrage: how is it messy? If the function is just about tweaking a register or two, no reason to have it not inlined, I think?
2014-08-09T09:31:41 < emeb_mac> cheap too
2014-08-09T09:31:44 < ossifrage> PaulFertser, I compile with -Og or -Os -flto -fuse-linker-plugins -flto-partition=none
2014-08-09T09:31:46 < ds2> emeb_mac: I want something interesting to tweak and learn from...bare dev boards are not inspiring enough
2014-08-09T09:32:06 < ds2> emeb_mac: and your program seems interseting enough
2014-08-09T09:32:07 < PaulFertser> ossifrage: just -Os -flto -fuse-linker-plugins here
2014-08-09T09:32:32 < ds2> @ 1GHz, I can use a small antenna so no running 80M of wire around to receive SW
2014-08-09T09:32:51 < emeb_mac> ds2: I'm doing prototyping with this: http://ebrombaugh.studionebula.com/embedded/bcc/index.html
2014-08-09T09:33:19 < emeb_mac> have an ADC hooked to it to test out the concept
2014-08-09T09:33:39 < ossifrage> I added the -flto-partition=none just recently, was playing around
2014-08-09T09:34:03 < ds2> emeb_mac: that is too open ended and I think I'd lose interest before getting too far
2014-08-09T09:34:22 < emeb_mac> ds2: you want something specific
2014-08-09T09:34:44 < ds2> emeb_mac: something to stay focused on...something that will have interesting effects with small tweaks
2014-08-09T09:35:01 < ds2> hence the ADS board's interest
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2014-08-09T10:42:43 < ds2> emeb_mac: do you have anything brewing for receiving weather satellites?
2014-08-09T10:43:00 < emeb_mac> hmm...
2014-08-09T10:43:07 < emeb_mac> don't know enough about those
2014-08-09T10:44:35 < emeb_mac> we do have a wideband SDR project in the works
2014-08-09T10:44:58 < emeb_mac> an RF board that hooks to the BCC_S6 FPGA
2014-08-09T10:45:12 < emeb_mac> covers 1MHz - 500MHz
2014-08-09T10:50:23 < ds2> it is the antenna that is tricky
2014-08-09T10:51:55 < emeb_mac> needs to be aimed?
2014-08-09T10:52:49 < ds2> something about polarization
2014-08-09T10:52:56 < ds2> circular, IIRC
2014-08-09T10:53:45 < emeb_mac> oh yeah
2014-08-09T10:54:01 < emeb_mac> I remember seeing some of those before
2014-08-09T10:54:10 < emeb_mac> crazy corkscrew things
2014-08-09T10:54:29 < ds2> there is got to be a easier way
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2014-08-09T11:09:08 < dongs> oh no
2014-08-09T11:09:11 < dongs> packed dixels isnt gonna succeed
2014-08-09T11:09:15 < dongs> http://www.kicktraq.com/projects/753230753/packed-pixels-an-extra-monitor-for-your-laptop/
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2014-08-09T11:33:14 < dongs> < bolt> Are there any audiophiles in here who could explain the concept of "matching" a pre-amp with an amp, or an amp with a given set of speakers, other than the obvious power requirements to drive the mentioned speakers? In my head, whenever someone mentions that a particular CD player goes well with a given amp, for instance, it sounds like "this
2014-08-09T11:33:19 < dongs>  CD player gies out a broken signal, but if you heave this particular amp it fixes it".
2014-08-09T11:33:23 < dongs> lol
2014-08-09T11:33:42 < dongs> attn emeb_mac
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2014-08-09T14:02:23 < dongs> http://i.imgur.com/5S0A2Iy.png makin some p rogress
2014-08-09T14:02:56 < dongs> raspberrypi'ing all over the place
2014-08-09T14:06:06 < Laurenceb> wazzit do?
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2014-08-09T14:30:27 < zyp> hdmi to edp, I guess
2014-08-09T14:31:01 < zyp> so that people can hook up rpi to ipad lcd, to make some shit that's bigger and worse performing than an ipad
2014-08-09T14:32:10 < dongs> no ipad lcds
2014-08-09T14:32:18 < dongs> worktrash, so some shitty 1080piss panel
2014-08-09T14:32:27 < Sync> geiii
2014-08-09T14:32:57 < zyp> ah
2014-08-09T14:33:24 < zyp> that explains why I couldn't see dual backlight drivers
2014-08-09T14:33:43 < dongs> there are no backlight drivers at all
2014-08-09T14:33:48 < dongs> most of those panels have it built in
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2014-08-09T14:43:44 < dongs>  < zyp> so that people can hook up rpi to ipad lcd, to make some shit that's bigger and worse performing than an ipad
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2014-08-09T14:43:47 < dongs> chinks already did that anyway
2014-08-09T14:43:53 < dongs> they have some 'retina tablets' that use apple panel
2014-08-09T14:43:55 < dongs> with assdroid
2014-08-09T14:43:58 < dongs> and some rockchip shit
2014-08-09T14:44:03 < dongs> its real cheap too
2014-08-09T14:44:09 < dongs> like 100-something
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2014-08-09T15:01:27 < Laurenceb> or someone could write an lvds driver for the Rpi...
2014-08-09T15:01:48 < Laurenceb> along with the gpu accelerated window manager...
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2014-08-09T15:14:50 < Laurenceb> http://vimeo.com/62869207
2014-08-09T15:14:53 < Laurenceb> hipster alert
2014-08-09T15:15:28 < Steffanx> Yesterday on HaD, today in ##stm32
2014-08-09T15:16:40 < Laurenceb> "arts students… this reminded me of Interior Semiotics and then I cringed"
2014-08-09T15:16:42 < Laurenceb> i lolled
2014-08-09T15:18:09 < dongs> faggotry.
2014-08-09T15:19:52 < scrts> so guys
2014-08-09T15:20:02 < scrts> did you celebrate international orgasm day yesterday?
2014-08-09T15:20:23 < Laurenceb> http://knowyourmeme.com/memes/interior-semiotics
2014-08-09T15:20:25 < Laurenceb> ^SHE DID
2014-08-09T15:20:26 < xorm> my internal monologue has gone british
2014-08-09T15:21:45 < xorm> wat
2014-08-09T15:22:00 < xorm> that isn't even hipster
2014-08-09T15:22:00 < dongs> wat the actual fuck
2014-08-09T15:22:16 < xorm> i want to know what her mental process was like
2014-08-09T15:22:23 < xorm> maybe she was just fucking with everyone
2014-08-09T15:22:28 < xorm> "what can i get away with yo"
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2014-08-09T15:28:59 < Steffanx> “Everything is shit.  We apply meaning, value, and worth to the shit surrounding us.  We live by this meaning and by our words.  We live by worth and apply value, but everything is shit.” .. dongs could've said that.
2014-08-09T15:30:52 < baird> tl;dr
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2014-08-09T15:33:51 < Laurenceb> too lame, dont read
2014-08-09T15:34:38 < Steffanx> Yeah, it was your gf who said it Laurenceb.
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2014-08-09T15:39:48 < dongs> he has a gf?
2014-08-09T15:40:23 < Steffanx> Just the weird of that meme he just posted.
2014-08-09T15:40:28 < Steffanx> *weirdo
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2014-08-09T15:43:03 < Laurenceb> http://books.google.co.uk/books?id=cbWNirl8gsMC&pg=PT257&redir_esc=y#v=onepage&q&f=false
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2014-08-09T16:46:19 < dongs> sigh 72 drc to go
2014-08-09T16:47:03 < Steffanx> [approve]
2014-08-09T16:53:03 < dongs> http://www.amazon.com/dp/B00L403O94 haha
2014-08-09T16:55:42 < dongs> haha hackkitten in stonertronics
2014-08-09T17:02:38 < Steffanx> lol ok.
2014-08-09T17:05:25 < Sync> what the actual fuck
2014-08-09T17:06:07 < Steffanx> Don't ask, don't ask Sync
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2014-08-09T17:30:25 < dongs> 37 drc
2014-08-09T17:41:14 < baird> Fsck. My shimapan-coloured coffee cup cracked when I poured hot water into it.
2014-08-09T17:42:39 < baird> Can't go around saying "this coffee tastes like ass" :/
2014-08-09T17:49:07 < Steffanx> Poor baird.
2014-08-09T17:51:35 < BrainDamage> he probably already tasted asses so he can make a fair comparison
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2014-08-09T17:52:59 < Sync> what kind of mug cracks from temperature stress
2014-08-09T17:52:59 < Sync> wat.
2014-08-09T17:55:06 < baird> And it was a ceramic mug, too.
2014-08-09T17:56:10 < Steffanx> I think his bike needs better suspension :)
2014-08-09T17:56:33 < BrainDamage> btw, how exactly do you freeze dry stuff
2014-08-09T17:57:05 < BrainDamage> you need to cool to very low temps ~-30,-50°C to have a decency in sublimation effect
2014-08-09T17:57:12 < BrainDamage> and pressures below 0.01atm
2014-08-09T17:57:19 < Sync> yes
2014-08-09T17:57:21 < Sync> so?
2014-08-09T17:57:43 < BrainDamage> he wrote he freeze dries at home
2014-08-09T17:57:49 < BrainDamage> so I am curious how
2014-08-09T17:57:56 < Sync> dry ice and vacuumpump
2014-08-09T17:58:08 < BrainDamage> dry ice isn't available here :/
2014-08-09T17:58:19 < Sync> it probably is
2014-08-09T17:58:37 < BrainDamage> for business yes, not private
2014-08-09T17:58:40 < baird> No, the project is to do the freeze-drying. Only doing dissication atm.
2014-08-09T17:58:44 < baird> *dessication
2014-08-09T17:59:07 < Sync> just go to a gastro supply place
2014-08-09T17:59:12 < Sync> they will sell it to you by the kilo
2014-08-09T18:01:14 < baird> There's also those two-stage refrigerators that get to -100C
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2014-08-09T18:03:54 < Sync> yes but dry ice is much cheaper at home and cooling a lot of wet mass down with a PC cooler takes a while if you don't have a huge setup
2014-08-09T18:04:10 < Sync> an modern ones are just single stage but autocascading
2014-08-09T18:05:27 < baird> Still, I've had some good results from just vacuum dessication-- whole pieces of mandarin being completely dehydrated in ~24 hours; strawberry slices in 4-6 hours.
2014-08-09T18:07:01 < baird> ...in 1/3 the time of STP dessication. (and the whole pieces of mandarin went mouldy before they dried out)
2014-08-09T18:07:58 < Sync> I wonder why it takes so long
2014-08-09T18:10:06 < Sync> are you saturating your vacuum pump with vapor?
2014-08-09T18:10:35 < baird> The vacuum pump (well, vacuum sealer) only goes down to about 245mmHg
2014-08-09T18:10:48 < Sync> ewww
2014-08-09T18:11:06 < BrainDamage> a bycicle pump might yield better results than that :p
2014-08-09T18:11:22 < Sync> that's only like 300something mbar
2014-08-09T18:11:32 < BrainDamage> yep
2014-08-09T18:11:35 < baird> 1/3rd atmosphere..
2014-08-09T18:11:52 < Sync> yeah. get a single stage rotary vane
2014-08-09T18:11:55 < Sync> or a membrane pump
2014-08-09T18:12:21 < dongs> 15 drc
2014-08-09T18:12:34 < BrainDamage> you can get AC rework pumps for approx 100$
2014-08-09T18:12:52 < BrainDamage> which yield few Pa in pressure
2014-08-09T18:13:00 < Sync> most of them don't have a properly working ballast
2014-08-09T18:13:38 < Sync> and if that does not work you get all of the water in the oil
2014-08-09T18:14:08 < BrainDamage> you could add some silica gel prefilter
2014-08-09T18:14:14 < BrainDamage> to adsorb some of the water
2014-08-09T18:14:27 < Sync> that won't work
2014-08-09T18:14:40 < Sync> you either need a cold trap to freeze the water or use a pump that can handle it
2014-08-09T18:15:01 < Sync> or you just get a dry scroll pump
2014-08-09T18:15:12 < Sync> then you don't have to worry about the oil backstreaming too
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2014-08-09T18:16:17 < Sync> dry scrolls ftw :3
2014-08-09T18:16:41 < BrainDamage> a bit on the expensive side
2014-08-09T18:16:54 < Sync> I have two XDS10 here
2014-08-09T18:17:45 < Sync> one could use a tip seal change, but it works fine
2014-08-09T18:22:22 < Sync> the gas ballast works really well on them
2014-08-09T18:23:50 < BrainDamage> well, when you get in the few k range, you might as well buy just a commercial unit ...
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2014-08-09T18:26:57 < Sync> sure, but I did not pay a few k for them
2014-08-09T18:26:59 < baird> Hmm, I wonder how much a fishtank pump can do..
2014-08-09T18:27:24 < Sync> probably not much more
2014-08-09T18:28:50 < Sync> as long as it is not a compresshurr: http://dave.4hv.org/site_imgs/compresshurr.jpg
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2014-08-09T18:29:19 < baird> Bugger, the one I've got doesn't do a tube for the air intake.
2014-08-09T18:29:52 < Sync> just get a cheap hvac pump
2014-08-09T18:29:54 < Sync> they'll do
2014-08-09T18:30:11 < Sync> I'm just spoiled because I got proper pumps
2014-08-09T18:31:59 < baird> ..searching Gumtree for any stolen mining equipment that I could use..
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2014-08-09T18:33:42 < Sync> probably not much in a mine that generates enough vacuoles to work
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2014-08-09T18:33:51 < baird> resulting in lots of listings for breast pumps...
2014-08-09T18:41:38 < dongs> lol zero drc. but i probably forgot something.
2014-08-09T18:41:58 < dongs> and altium hasnt crashed even once this evening, much amaze
2014-08-09T18:42:39 < Sync> wow
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2014-08-09T19:50:52 < dongs> http://i.imgur.com/YjfjI2Y.png raspberrypi complete
2014-08-09T19:54:10 < qyx_> not much innovative routing there
2014-08-09T19:54:44 < madist> why so few traces on the board ?
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2014-08-09T19:56:34 < dongs> eh, theres 4 layers of traces there
2014-08-09T19:56:57 < emeb_mac> wut iz it?
2014-08-09T19:57:25 < Laurenceb> haha wtf
2014-08-09T19:57:33 < Laurenceb> im reading about really pro pumps
2014-08-09T19:57:40 < Laurenceb> then  http://dave.4hv.org/site_imgs/compresshurr.jpg
2014-08-09T19:57:57 < dongs> hdmi to edp w/speaker/headphone amp, stm32
2014-08-09T19:58:50 < emeb_mac> oh - right. is that the one w/ the crystal semi thing we talked about?
2014-08-09T19:58:57 < dongs> yep
2014-08-09T19:59:02 < emeb_mac> kewl
2014-08-09T19:59:22 < Sync> Laurenceb: yeah the compressors are interstingly shitty
2014-08-09T19:59:28 < emeb_mac> saw the L/R +/- and had a clue
2014-08-09T19:59:38 < dongs> that reminds me i should probly put testpoint into spdif line. incase all other shit doesnt work i can at least use it to make some noise
2014-08-09T20:02:19 < Steffanx> At least you label all your uart/i2c stuff, so the rpi hack community will be totally happy.
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2014-08-09T20:06:05 < Laurenceb> "omg we now have working i2c"
2014-08-09T20:06:20 < Sync> zomg
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2014-08-09T20:56:40 < upgrdman> damn it. i manage to create a concurrency problems when using a microcontroller. im not even using an os. lol. at least this should be an easy fix
2014-08-09T20:57:28 < upgrdman> my tetris implementation uses an ISR for the button presses, but down the auto-move-block-down-periodically in the normal software loop.
2014-08-09T20:58:24 < upgrdman> if you press left or right at just the right time, the ISR interrupts the block move function, and call the block move function again ... so the block can get stuck when it shouldn't be.
2014-08-09T20:59:38 < upgrdman> could, but i doubt that would be atomic.
2014-08-09T21:00:12 < upgrdman> fix is simple though: instead of the auto-move-down being in the software loop, just trigger the exti as if the user push down
2014-08-09T21:00:38 < upgrdman> that way only the ISR ever calls the block move function... so reentrancy is no longer a problem (i hope)
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2014-08-09T21:46:35 < jpa-> upgrdman: more standard way would be to just flag stuff in ISR and do them in a single loop
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2014-08-09T21:47:51 < upgrdman> hmmm
2014-08-09T21:47:57 < jpa-> then it is obviously without concurrency problems, whereas with interrupts one has to check NVIC config carefully to see that they are all on the same priority level
2014-08-09T21:48:53 < upgrdman> all == what? the exti's?
2014-08-09T21:49:43 < jpa-> yes, assuming that's all you use
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2014-08-09T21:50:00 < jpa-> so you have exti handling buttons and main loop emulating a timer? :P
2014-08-09T21:50:22 < upgrdman> well if only one ISR ever calls a function, why would other ISR priority levels come into play?
2014-08-09T21:50:38 < upgrdman> *the function
2014-08-09T21:51:03 < upgrdman> jpa-: ya. rookie mistake. :(
2014-08-09T21:51:37 < jpa-> doesn't exti have separate vectors for different pins?
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2014-08-09T21:52:29 < upgrdman> not sure, but by four buttons all map to one ISR function... EXTI4_15_IRQHandler()
2014-08-09T21:53:59 < upgrdman> state machine approach would be something like while(1){switch(state) case foo: case bar: case baz: etc...} ?
2014-08-09T21:54:35 < jpa-> yes, though i have no idea what that has to do with this
2014-08-09T21:54:45 < jpa-> flags != state machine
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2014-08-09T21:58:11 < upgrdman> you did tetris? link?
2014-08-09T21:58:48 < jpa-> eh, why would i have done that?
2014-08-09T21:59:00 < upgrdman> not you, beaky
2014-08-09T21:59:03 < qyx_> beaktris
2014-08-09T21:59:14 < jpa-> ah, ignore strikes again
2014-08-09T21:59:37 < Steffanx> jpa-, beaky is being nice today,
2014-08-09T21:59:58 < qyx_> exceptionally nice
2014-08-09T22:00:00 < Steffanx> no smps
2014-08-09T22:00:11 < qyx_> lot of warnings and stuff
2014-08-09T22:00:16 < qyx_> *not
2014-08-09T22:01:26 < qyx_> ah it is not supposed to work online probably
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2014-08-09T22:04:51 < upgrdman> they do. watch 'til the end
2014-08-09T22:05:05 < upgrdman> thanks
2014-08-09T22:06:12 < qyx_> any idea of how to prevent half bridge turning into smoke when using complementary timer outputs?
2014-08-09T22:06:43 < qyx_> is it even possible? except some misconfiguration
2014-08-09T22:07:10 < qyx_> software shouldn't get locked in a state that would turn both mosfets on
2014-08-09T22:07:42 < qyx_> i mean possible error states, not deadtime
2014-08-09T22:07:45 < upgrdman> comp out == ch1, ch1n, etc.?
2014-08-09T22:08:01 < qyx_> yes
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2014-08-09T23:34:27 < aadamson> whacky question of the day... anyone know how to change the clearance between a board cutout object and a copper pour in diptrace?
2014-08-09T23:34:53 < aadamson> it's not using the board outline clearance, it's using something else and I can't figure out how to narrow the clearance... :(
2014-08-09T23:35:48 < aadamson> OMG, I just found it... how obscure!!!
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2014-08-10T01:24:24 < upgrdman> where are ISR priority levels set?
2014-08-10T01:24:46 -!- hjf [~hjf@unaffiliated/hjf] has joined ##stm32
2014-08-10T01:27:16 < Steffanx> NVIC IPR
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2014-08-10T01:28:57 < Steffanx> aka Interrupt Priority Registers
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2014-08-10T02:29:49 < upgrdman> thanks
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2014-08-10T02:38:22 < upgrdman> levels are 0,1,2,3   right?
2014-08-10T02:38:33 < upgrdman> core_cm0.h doesn't seem to specify
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2014-08-10T03:17:20 < jadew> any idea if the swd interface on the discovery boards can program other arm chips? (from other manufacturers)
2014-08-10T03:22:48 < zyp> yes, I believe openocd supports that
2014-08-10T03:31:53 < jadew> thanks I'll look into it
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2014-08-10T05:16:58 < dongs> gxti: boop
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2014-08-10T05:17:10 < dongs> well, okl
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2014-08-10T05:34:41 < dongs> F4 uart can't do inverted rx/tx right?
2014-08-10T05:34:43 < dongs> only F3?
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2014-08-10T09:40:34 < t1memob> who killed chat
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2014-08-10T10:16:18 < Simon--> TXINV/RXINV looks like only on F3 (where it's at)
2014-08-10T10:36:38 < t1memob> OK
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2014-08-10T11:07:37 < dongs> http://www.head-fi.org/t/571987/is-sansa-clip-really-that-good/150#post_8111519
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2014-08-10T11:14:17 < dongs> (attn emeb_mac
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2014-08-10T12:57:17 < timemob> http://i.imgur.com/OQBYVKw.jpg
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2014-08-10T14:07:42 < dongs> upgrdman: your trashpcbs arrived yet?
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2014-08-10T16:04:46 < dongs> http://www.element14.com/community/thread/36623/l/new-eagle-licensing--goodbye-eagle lol drama
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2014-08-10T16:11:45 < scrts> moar to altium!
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2014-08-10T17:40:44 < Steffanx> All this fuzzz about EAGLE. It's not that they force you to upgrade to a new version.
2014-08-10T17:41:01 < Steffanx> New product new license stuff.. it happens
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2014-08-10T17:43:02 < fbs> EAGLE SUX
2014-08-10T17:43:24 < madist> They probably had 10,000 downloads per day and 1 licence sale per month.
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2014-08-10T17:46:18 < Steffanx> Yes all the open sores alternatives are best, fbs
2014-08-10T17:46:23 < englishman> still better ratio than winrar
2014-08-10T17:46:54 < madist> and winrar only costs 20$ per seat licence.
2014-08-10T17:47:23 < fbs> Steffanx: altium
2014-08-10T17:47:50 < Steffanx> Yah, but ... not going to mention it requires a certain os etc. :P
2014-08-10T17:48:35 < Steffanx> you don't use freebsd?
2014-08-10T17:48:45 < fbs> nah
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2014-08-10T17:56:47 < fbs> sup Steffanx
2014-08-10T17:57:01 < Steffanx> Rainy clouds, there?
2014-08-10T17:57:09 < Steffanx> No thunderstorms yet.
2014-08-10T17:57:27 < fbs> yea we had rain
2014-08-10T17:57:29 < fbs> dry now
2014-08-10T18:00:05  * Tectu slaps jpa- 
2014-08-10T18:00:45 < dongs> lol jsut got news airspy is $199 retail
2014-08-10T18:00:49 < dongs> they can go fuck themselves
2014-08-10T18:01:06 < dongs> made in china shitware
2014-08-10T18:01:13 < fbs> airspy?
2014-08-10T18:01:25 < Steffanx> airspy was  from that guy here not?
2014-08-10T18:01:27 < dongs> http://airspy.com/ some SDR shit
2014-08-10T18:01:27 < Steffanx> bvernoux or so?
2014-08-10T18:01:29 < dongs> yes
2014-08-10T18:01:30 < fbs> oh
2014-08-10T18:05:02 < Laurenceb__> useful for balloons
2014-08-10T18:05:23 < Laurenceb__> rofl i have a box of those enclosures
2014-08-10T18:11:38 < Steffanx> is the secret balloon project a success yet Laurenceb__?
2014-08-10T18:11:50 < dongs> Laurenceb__: is it some garbage from lincolnbinns
2014-08-10T18:11:52 < Laurenceb__> my BBB is working
2014-08-10T18:12:10 < dongs> i ordered some samples from there once, it was the nastiest looking extruded alu i ever seen
2014-08-10T18:12:13 < Laurenceb__> dongs: i got mine from seeedstudio
2014-08-10T18:12:17 < dongs> oh shitstudio
2014-08-10T18:12:18 < dongs> well right.
2014-08-10T18:12:22 < dongs> thats who's assembling them
2014-08-10T18:12:28 < Laurenceb__> it has some nice anodizing
2014-08-10T18:12:29 < dongs> so I guess they're using that enclosure
2014-08-10T18:12:31 < Laurenceb__> interesting
2014-08-10T18:12:37 < dongs> duno from the pic it looks complete shit
2014-08-10T18:12:40 < Laurenceb__> lol
2014-08-10T18:12:41 < dongs> but for $200 they can go fuck themselves
2014-08-10T18:13:04 < Laurenceb__> my BBB now sleeps at 20µA
2014-08-10T18:13:13 < Laurenceb__> but RTC is still fucked
2014-08-10T18:13:15 < dongs> now its ready to go in baloon
2014-08-10T18:13:32 < Laurenceb__> i need to fix RTC :-/
2014-08-10T18:13:37 < Steffanx> fucked as in..
2014-08-10T18:13:43 < Steffanx> not functional?
2014-08-10T18:13:43 < Laurenceb__> its turned off
2014-08-10T18:13:48 < Laurenceb__> during sleep
2014-08-10T18:13:58 < dongs> not very real time clock
2014-08-10T18:13:59 < Steffanx> so it sleeps but cant wake up or  ?
2014-08-10T18:14:02 < Laurenceb__> as the PMIC driver is screwed
2014-08-10T18:14:05 < Laurenceb__> yep
2014-08-10T18:14:17 < Laurenceb__> it can wake on button press or usb
2014-08-10T18:14:51 < Laurenceb__> i should take a photo of all the board mods when it finished
2014-08-10T18:15:14 < dongs> maybe you shouldnt
2014-08-10T18:15:26 < dongs> unless you're running in tom66 pcb murder contest
2014-08-10T18:15:31 < Laurenceb__> the current PMIC design is fail
2014-08-10T18:15:32 < Laurenceb__> lol
2014-08-10T18:15:47 < Laurenceb__> there are quite a few jumpers now
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2014-08-10T19:24:54 < aadamson> fscking amazing - https://www.kickstarter.com/projects/hello/sense-know-more-sleep-better
2014-08-10T19:27:35 < Tectu> "Sleep Score"
2014-08-10T19:27:37 < Tectu> better call dongs
2014-08-10T19:27:50 < Steffanx> Dongs already gave his view on this dickstarter.
2014-08-10T19:28:09 < Tectu> what were dem repors?
2014-08-10T19:28:11 < Tectu> reports*
2014-08-10T19:28:54 < Tectu> oh no, this product must be totally worth it
2014-08-10T19:29:00 < Tectu> it will be a billion dollar business
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2014-08-10T19:29:05 < Tectu> look, guy uses i3 (tiling window manager)
2014-08-10T19:29:06 < Tectu> https://s3.amazonaws.com/ksr/assets/002/306/142/5232eec456df94c0a2056050202dda19_large.png?1405795617
2014-08-10T19:29:13 < Tectu> must be ultra hax0r
2014-08-10T19:29:23 < superbia> i3 is for pusssies Tectu ....
2014-08-10T19:29:23 < Tectu> knows how to calculate sleep score better than anyone else
2014-08-10T19:29:47 < superbia> i question your unix-like knowladge
2014-08-10T19:29:48 < Tectu> Steffanx, is dongs browsing dickstarter on a regular basis?
2014-08-10T19:29:57 < Steffanx> im pretty sure, yes
2014-08-10T19:30:08 < Steffanx> could be on daily basis
2014-08-10T19:30:18 < Tectu> interesting
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2014-08-10T20:38:35 < jpa-> https://code.google.com/p/u8glib/  hmm, looks like a µGFX alternative with a reasonable license
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2014-08-10T20:41:10 < Fleck> jpa-: crap IMO, redraws full screen all the time afaik
2014-08-10T20:41:26 < jpa-> hm
2014-08-10T20:41:52 < Fleck> sure, you can hack and do things other way, but out of the box - I didn't like it!
2014-08-10T20:41:56 < jpa-> why is everything always crap
2014-08-10T20:42:23 < Fleck> and with slow AVR... that was baaad! :D
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2014-08-10T20:54:34 < Steffanx> heh jpa- visited HaD and saw that gps watch "hack"
2014-08-10T20:55:22 < jpa-> yes
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2014-08-10T21:08:25 < Steffanx> Sure it's really an alternative? uGFX looks like a more "complete" graphics lib where u8 is more back to the basics drawing.
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2014-08-10T21:11:24 < Tectu> jpa- can also always ask for a free license and get one instantly
2014-08-10T21:15:22 < upgrdman> dongs: dhl was too stupid to enter the gate code i provided them, so instead of delivering them on time, they gave up. i had to reschedule the delivery to my work address and should have the pcbs on mon. or tue.
2014-08-10T21:15:34 < upgrdman> i fucking hate dhl
2014-08-10T21:15:49 < upgrdman> they're the only courier i ever have problems with
2014-08-10T21:16:18 < Steffanx> Next time wait for them at the gate upgrdman
2014-08-10T21:16:29 < upgrdman> im not at home during the day
2014-08-10T21:16:58 < Tectu> see, there's your problem.
2014-08-10T21:17:03 < upgrdman> ?
2014-08-10T21:17:27 < upgrdman> everyone else can handle entering the gate code. fedex, ups, usps, even the high school drop-out pizza delivery guys...
2014-08-10T21:17:39 < Steffanx> Who needs a gate anyway?
2014-08-10T21:17:52 < Steffanx> Especially when you give "everyone" the code.
2014-08-10T21:17:53 < Tectu> gate code? What are we talking about?
2014-08-10T21:17:56 < upgrdman> i didnt choose it
2014-08-10T21:18:04 < upgrdman> Tectu: gated complex that i live in
2014-08-10T21:18:23 < Tectu> so you give DHL your access code?!
2014-08-10T21:18:30 < upgrdman> yes. everyone does.
2014-08-10T21:18:32 < Tectu> where the heck is the meaning behind the gate then?
2014-08-10T21:18:33 < Steffanx> upgrdman, make a barcode scanner that opens the gate when they hold your package in front of it
2014-08-10T21:18:40 < Tectu> LOL
2014-08-10T21:18:50 < upgrdman> Tectu: the gate keeps random walkers by out.
2014-08-10T21:19:02 < Tectu> use RPi + Camera and some OpenCV so everybody with a DHL dress can get it
2014-08-10T21:19:18 < upgrdman> it's not like anyone who wants in would be stopped by a gate anyway. jumping a fence isn't rocket science
2014-08-10T21:19:21 < Tectu> DHL man is in "random walker" category in my security system.
2014-08-10T21:19:32 < Tectu> then you bought the wrong fence
2014-08-10T21:19:44 < Steffanx> He didnt buy it ;)
2014-08-10T21:19:46 < upgrdman> not my fence.
2014-08-10T21:20:15 < Tectu> when I fenced my house I bought two fences
2014-08-10T21:20:18 < Tectu> an inner and an outer one
2014-08-10T21:20:20 < Steffanx> dhl deosnt deliver at work address?
2014-08-10T21:20:25 < Tectu> with 4m space between
2014-08-10T21:20:27 < fbs> jumping a fence with a tv in your hands is a bit harder tho
2014-08-10T21:20:29 < Tectu> with mines and claymore
2014-08-10T21:20:33 < Tectu> inner fence if electrified of course
2014-08-10T21:20:51 < Tectu> why would anyone with a tv in their hand want to jump a fence, fbs?
2014-08-10T21:21:00 < upgrdman> Steffanx: they will. but it was addressed to my home so i had to reschedule it to deliver to my work
2014-08-10T21:21:02 < fbs> because they dont have the access code yet
2014-08-10T21:21:06 < Tectu> to reach the inner fence to get free electricity for the TV? :P
2014-08-10T21:21:37 < fbs> claymore is lame
2014-08-10T21:21:41 < fbs> get ebola darts
2014-08-10T21:21:47 < jpa-> Tectu: free licenses do not make things open, as you know very well
2014-08-10T21:22:25 < Steffanx> i think dhl is mainy subcontractor work, so doesn't work out very well either.
2014-08-10T21:22:33 < Tectu> jpa-, not sure what you mean. If you go open source uGFX is free anyway
2014-08-10T21:22:33 < Steffanx> at least here in this region.
2014-08-10T21:22:48 < Tectu> jpa-, with the back-contribution clause, of course.
2014-08-10T21:23:02 < Tectu> fbs, lol'd
2014-08-10T21:23:20 < jpa-> Tectu: as long as µGFX does not have a license that is FSF or OSI approved, it will never be my first choice
2014-08-10T21:23:35 < fbs> Steffanx: isnt that dhl4you?
2014-08-10T21:23:35 < Tectu> jpa-, I fully understand and respect that
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2014-08-10T21:23:50 < Tectu> jpa-, I wonder if you have ever read the GPL license yourself, btw.
2014-08-10T21:23:56 < fbs> jpa-: why is that?
2014-08-10T21:24:00 < Tectu> (Yes, I know. ONce can chose another license too)
2014-08-10T21:24:00 < Steffanx> Not even for commercial projects jpa-?
2014-08-10T21:24:42 < jpa-> Tectu: i have read enough material about it - not that fond of lawyer texts as they are so difficult to interpret - which is why i'm even more afraid of custom crazyass licenses
2014-08-10T21:25:13 < Tectu> jpa-, right.
2014-08-10T21:25:14 < jpa-> Steffanx: no, not really - the quality is not on a level that i would feel safe using in a commercial setting
2014-08-10T21:25:54 < Steffanx> oh oops
2014-08-10T21:26:00 < jpa-> fbs: because i believe the easiest way to promote open source is to avoid the non-open alternatives
2014-08-10T21:26:27 < fbs> arent you mixing opensource and free software now?
2014-08-10T21:26:48 < jpa-> fbs: yes, but with open source = OSI etc. meaning
2014-08-10T21:26:54 < fbs> ah
2014-08-10T21:27:11 < jpa-> Steffanx: (though i have used NuttX in a commercial setting and it has even worse quality at places.. but it is a mistake i will not make twice)
2014-08-10T21:27:19 < Tectu> the source of ugfx is open, but ugfx is not open source ;-)
2014-08-10T21:27:43 < jpa-> open to view, not open to modify
2014-08-10T21:27:44 < Steffanx> hah, was about to say something about that jpa-, but i failed to remember the name.. NuttX it was.
2014-08-10T21:27:50 < Tectu> jpa-, wrong!
2014-08-10T21:28:06 < Tectu> jpa-, you are welcomed to modify ANY part of the uGFX source either in home or professional use
2014-08-10T21:28:17 < Steffanx> What WOULD you use instead jpa-?
2014-08-10T21:28:21 < Tectu> jpa-, but you have to make your modifications public available unless you paid ;-)
2014-08-10T21:28:30 < jpa-> Steffanx: no idea, which is why i'm always looking for alternatives
2014-08-10T21:28:35 < Steffanx> I don't get the idea you would use chibios instead.
2014-08-10T21:28:39 < jpa-> Steffanx: probably linux + qt, but even that sounds crazy
2014-08-10T21:28:50 < Steffanx> nuttx is more than an os ofcourse
2014-08-10T21:29:01 < Steffanx> *basic os
2014-08-10T21:29:03 < jpa-> Steffanx: chibios maybe, though it lacks features for such a large project as what i did with nuttx
2014-08-10T21:30:09 < Tectu> I love the fact that jpa- is always bitching about uGFX but he's one of the major contributors of the project :-P
2014-08-10T21:30:16 < Tectu> code base and even artwork
2014-08-10T21:30:31 < Steffanx> That's not this jpa- .. that's another guy.
2014-08-10T21:30:32 < jpa-> Tectu: i cannot modify uGFX to work with anti-grain geometry library
2014-08-10T21:30:48 < jpa-> as a one example.
2014-08-10T21:31:15 < Tectu> jpa-, don't know anti-grain... license compatiblity issue?
2014-08-10T21:31:18 < jpa-> yes
2014-08-10T21:31:28 < Tectu> stop using GPL.
2014-08-10T21:31:37 < jpa-> stop using crazy-ass
2014-08-10T21:31:49  * Tectu slaps jpa- 
2014-08-10T21:31:55 < fbs> make it double licensed
2014-08-10T21:32:00  * fbs hides
2014-08-10T21:32:06 < jpa-> yes, i've been telling Tectu that
2014-08-10T21:32:10 < jpa-> but he doesn't like gpl
2014-08-10T21:32:19 < Steffanx> Who does?
2014-08-10T21:32:21 < Tectu> read the GPL yourself - twice.
2014-08-10T21:32:26 < Tectu> then see how much it really supports opensource
2014-08-10T21:32:38 < Tectu> GPL is the most faggotry restrictive license on the planet
2014-08-10T21:32:58 < jpa-> it works, your doesn't
2014-08-10T21:32:59  * fbs sends Tectu gpl toiletpaper
2014-08-10T21:32:59 < Tectu> that is why sane people like ChibiOS/RT and FreeRTOS have the GPL with exception
2014-08-10T21:33:04 < Steffanx> Restrictive for people that want to be a bit less restrictive, yes :P
2014-08-10T21:33:15 < jpa-> and yes, for embedded GPL is not good
2014-08-10T21:33:28 < jpa-> it is still better than non-open licenses
2014-08-10T21:33:34 < mumptai> and neither is LGPL
2014-08-10T21:33:48 < Tectu> side note:  uGFX is fully compatible with LGPL
2014-08-10T21:34:15 < fbs> did you have a lawyer check it?
2014-08-10T21:34:24 < Tectu> for those who care, here's a short summary of why GPL sucks:  http://ugfx.org/licensing
2014-08-10T21:34:43 < Tectu> and believe me, we had to shorten that text drastically.
2014-08-10T21:35:24 < fbs> LGPL instead of GPL would make more sense anyway
2014-08-10T21:35:50 < jpa-> Tectu: eh, since when gpl is not compatible with apache?
2014-08-10T21:35:56 < jpa-> or bsd?
2014-08-10T21:36:28 < Tectu> jpa-, http://www.gnu.org/licenses/gpl-faq.html#OrigBSD
2014-08-10T21:36:41 < mumptai> only for systems that allow for dynamic linking, and partial exchange of a lib, which is not the case for most microcontroller systems
2014-08-10T21:36:50 < jpa-> yes, which is what "BSD" meant back in 1980s, not in 2000s
2014-08-10T21:37:09 < Tectu> jpa-, there is still software that uses the old one.
2014-08-10T21:37:16 < jpa-> of course
2014-08-10T21:37:46 < jpa-> like there is stuff that uses crazyass licenses whose originators have disappeared and no chance to rescue that code
2014-08-10T21:38:08 < Tectu> yep
2014-08-10T21:38:20 < Tectu> we covered that part already
2014-08-10T21:38:39 < jpa-> i wonder what would happen if i bought a support plan for µGFX.. would Tectu come asking me to support myself ;)
2014-08-10T21:38:56 < Tectu> jpa-, not sure what you mean
2014-08-10T21:39:02 < Steffanx> lol jpa-
2014-08-10T21:39:42 < Tectu> jpa-, we have covered that part when andrew and I should magically both disappear at the same time
2014-08-10T21:39:55 < Tectu> jpa-, we're not just doing this because for the lulz of it :P
2014-08-10T21:42:37 < Steffanx> i bet you've discussed this with jpa- quite a few times mr Tectu
2014-08-10T21:43:02 < Tectu> Steffanx, but we're making progress:      <jpa-> and yes, for embedded GPL is not good
2014-08-10T21:44:27 < mumptai> too bad the stm32f429disco isn't supported out of the box, i just had the urge to play with graphics ;)
2014-08-10T21:45:01 < Tectu> mumptai, there's a working FreeRTOS+uGFX project for that board.
2014-08-10T21:45:41 < upgrdman> is flyback banned? i wonder why he's not here, but in ##elec
2014-08-10T21:45:49 < Steffanx> not banned.
2014-08-10T21:45:54 < Tectu> mumptai, http://winfred-lu.blogspot.ch/2014/05/ugfx-notepad-on-stm32f429i-discovery.html
2014-08-10T21:46:04 < fbs> upgrdman: /ban
2014-08-10T21:46:04 < Steffanx> Probably dongs-issues, upgrdman
2014-08-10T21:46:12 < upgrdman> oh
2014-08-10T21:47:56 < Tectu> how can one have issues with dongs?
2014-08-10T21:48:27 < upgrdman> cat in zero gravity. lol...  https://www.youtube.com/watch?v=O-bjwQMepmE
2014-08-10T21:49:16 < Tectu> looks like you haven't seen the cat-copter yet?
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2014-08-10T21:52:49 < upgrdman> i havnt
2014-08-10T21:53:07 < Steffanx> yes you have
2014-08-10T21:53:25 < Tectu> upgrdman, https://www.youtube.com/watch?v=u3ctz3RTI-o
2014-08-10T21:53:44 < upgrdman> oh that, yes
2014-08-10T21:53:47 < upgrdman> quad kitty
2014-08-10T21:55:02 < mumptai> ohh, who could have issues with that ....
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2014-08-10T22:14:11 < gnomad> That's been out for a while.  IIRC, the cat was the guys pet.
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2014-08-10T23:36:50 < jadew> what's the difference between system memory and flash memory?
2014-08-10T23:37:31 < jadew> I'm not particularly clear on how the boot0, boot1 pins are being used
2014-08-10T23:38:05 < jadew> how exactly can you boot from the internal SRAM for example - wouldn't it be uninitialized at boot time?
2014-08-10T23:47:53 < karlp> depends on what else yu did :)
2014-08-10T23:48:00 < karlp> you can write to sram, then reboot....
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--- Day changed Mon Aug 11 2014
2014-08-11T00:00:32 < Tectu> too bad that TI does not source samples of their eval boards :P
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2014-08-11T00:08:11 < jadew> karlp, I see, thanks
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2014-08-11T01:04:43 < karlp> dongs fave tv show? http://imgur.com/gallery/1V8TBT0
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2014-08-11T01:31:24 < Tectu> dongs is show master
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2014-08-11T02:59:56 < dongs> yo blogs
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2014-08-11T03:52:16 < damastaryu> q
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2014-08-11T14:12:37 < timemob> I fucking hate lunix
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2014-08-11T14:24:59 < Sync> if you hate lennux how much must you hate wandows
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2014-08-11T14:39:55 < Laurenceb_> http://arstechnica.com/gadgets/2014/08/gun-linux-on-the-range-with-trackingpoints-new-ar-15s/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+arstechnica%2Findex+%28Ars+Technica+-+All+content%29
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2014-08-11T15:04:01 < Laurenceb_> http://hardware.slashdot.org/comments.pl?sid=5515063&cid=47645231
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2014-08-11T15:55:31 < Laurenceb_> http://www.analog.com/static/imported-files/data_sheets/ADuC7019_20_21_22_24_25_26_27_28_29.pdf
2014-08-11T15:55:34 < Laurenceb_> a 5v arm
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2014-08-11T15:56:36 < Steffanx> Link post monday for Laurenceb_? :)
2014-08-11T15:56:51 < Laurenceb_> yup
2014-08-11T15:59:18 < Steffanx> Anything very special about that analog mcu Laurenceb_?
2014-08-11T16:00:02 < karlp> don't silabs have a 5v arm too? fm3 or something?
2014-08-11T16:00:20 < Laurenceb_> ah
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2014-08-11T16:19:15 < qyx_> arduino-ready arm
2014-08-11T16:19:30 < qyx_> doesn't need level shifters!
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2014-08-11T16:36:22 < baird> ...to 20th Century components..
2014-08-11T16:38:33 < Steffanx> baird what kind of cupcake-style cake was that?
2014-08-11T16:39:03 < baird> They're muffins.. -_-
2014-08-11T16:39:10 < Steffanx> whatever
2014-08-11T16:39:13 < Steffanx> but what kind of muffins?
2014-08-11T16:39:31 < baird> strawberry
2014-08-11T16:39:44 < Steffanx> muffins are just cupcakes without the cups :P
2014-08-11T16:40:04 < baird> Turned out rather well-- although I used white instead of brown sugar.
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2014-08-11T16:47:15 < Laurenceb_> https://www.youtube.com/watch?v=O-bjwQMepmE
2014-08-11T16:47:23 < Laurenceb_> lol Reddoric Euphitor
2014-08-11T16:48:42 < Laurenceb_> lol average redditor
2014-08-11T16:48:46 < Laurenceb_> epic lulz
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2014-08-11T17:39:15 < aadamson> I so need one of these - http://xkcd.com/1406/
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2014-08-11T17:46:44 < englishman> hehe i already know what that links to :)
2014-08-11T17:47:16 < baird> ...no serial port
2014-08-11T17:47:39 < karlp> deliberate omission
2014-08-11T17:47:51 < karlp> fuck serial
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2014-08-11T17:48:08 < gxti> death to rs232
2014-08-11T17:48:24 < baird> Nothing with a standard-sized DIN connector, either.
2014-08-11T17:48:44 < karlp> fuck midi too
2014-08-11T17:48:58 < karlp> with a 50lb bag of gender changes you could probably get there though
2014-08-11T17:49:30 < karlp> also, "standard sized din" hahah
2014-08-11T17:49:43 < baird> Ammmerican fuel only goes up to RON93?
2014-08-11T17:49:51 < karlp> (you did mean the one commonly used with midi)
2014-08-11T17:49:58 < baird> There's an s-video on there, which is mini-dic
2014-08-11T17:50:01 < karlp> iirc american 93 isn't the same as aus 93
2014-08-11T17:50:02 < baird> mini-din
2014-08-11T17:50:51 < karlp> yeah, yanks use RON+MON/2, not RON on the pumps
2014-08-11T17:51:00 < englishman> he forgot the plug for armenian mains sockets, 1953-1957
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2014-08-11T19:51:06 < synic> does anyone know if the POR on stm32 puts it into reset mode at 2.4V no matter what speed the clock is set to?
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2014-08-11T21:29:26 < qyx_> wut xmos score
2014-08-11T21:29:37 < qyx_> for 4.50e/100
2014-08-11T21:29:44 < qyx_> *xcore
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2014-08-12T01:49:26 < qyx_> opus-codec encodes about 5.7x realtime on F4 discovery (24kHz, 6kbit/s)
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2014-08-12T02:10:18 < Abhishek_> interesting
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2014-08-12T02:25:47 < qyx_> and decoding 25.4x realtime
2014-08-12T02:26:13 < qyx_> seems a bit high to me
2014-08-12T02:28:47 < qyx_> it decodes 2544 frames per second, each frame is 240 samples at 24kHz, which is 10ms
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2014-08-12T03:08:28 < Abhishek_> qyx_: could you share more details on your port?
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2014-08-12T03:27:41 < dongs> qyx is cloning jackpair
2014-08-12T03:27:44 < dongs> https://www.kickstarter.com/projects/620001568/jackpair-safeguard-your-phone-conversation
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2014-08-12T03:34:59 < jadew> I take it back kicad doesn't blow, it's decent for the money
2014-08-12T03:35:15 < jadew> could use some bug fixes and some polishing but it gets the job done
2014-08-12T03:37:26 < jadew> the DRC blows tho and the fact that it gives so many false positives makes it useless which is scary
2014-08-12T03:39:34 < dongs> wait till you try copper pours
2014-08-12T03:39:43 < jadew> just did lol
2014-08-12T03:39:54 < jadew> I was just having a WTF moment
2014-08-12T03:40:08 < jadew> I'm sure it works :)
2014-08-12T03:40:28 < dongs> shift-del that shit and either use diptrace (freetard version is like 300 or 500 pin limit)
2014-08-12T03:40:37 < dongs> or altium
2014-08-12T03:41:52 < jadew> I need more pins and altium is $$$$$
2014-08-12T03:42:29 < jadew> it borders 10k these days
2014-08-12T03:43:26 < jadew> do you know how many kicads I get with that?
2014-08-12T03:43:58 < dongs> over 9000
2014-08-12T03:44:39 < jadew> division by zero
2014-08-12T03:44:56 < dongs> diptrace full is  like $600-ish
2014-08-12T03:45:00 < dongs> at leatst it was when I bought it
2014-08-12T03:45:17 < jadew> yeah, but I don't like it enough to pay 600 for it, I'd rather pay 9k for altium
2014-08-12T03:46:17 < dongs> agreed, but you arent paying either 600 or 9k, so might as well just stick with kikecad
2014-08-12T03:46:44 < jadew> yeah, I finished the board, I just don't know if it's correct lol
2014-08-12T03:47:10 < upgrdman> anyone know of a precision usb power meter? like 1mA resolution and maybe 3mA accuracy?
2014-08-12T03:47:22 < jadew> upgrdman, your bench meter
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2014-08-12T03:47:39 < jadew> well, any meter that has that accuracy + an USB breakout board
2014-08-12T03:47:39 < dongs> upgrdman: i bought this thing off ebay
2014-08-12T03:47:52 < upgrdman> ya, my 6.5 digit bench meter is plenty precise, but not convenient at times
2014-08-12T03:48:01 < dongs> http://www.ebay.com/itm/171258623046?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
2014-08-12T03:48:28 < jadew> I actually saw a dongle that's just a usb feedthrough with an ammeter
2014-08-12T03:48:38 < upgrdman> dongs: decent precision?
2014-08-12T03:48:51 < jadew> but it measures on the low side so the odds of shorting it out are high
2014-08-12T03:49:04 < dongs> upgrdman: 0.1mA claimed
2014-08-12T03:49:06 < dongs> seems to work
2014-08-12T03:49:12 < dongs> i have it inline to my main USB hub
2014-08-12T03:49:18 < dongs> so I can measure how much stuff draws
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2014-08-12T03:51:25 < dongs> https://www.youtube.com/watch?v=SOpwHaQnRSY
2014-08-12T03:51:28 < upgrdman> looks decent. i guess i'll try it out.
2014-08-12T03:51:53 < dongs> now my hub is drawing 743.1mA
2014-08-12T03:52:04 < dongs> and its moving around between .1-.3
2014-08-12T03:52:48 < dongs> anyway, it seemed better than the usual 3-digits shits that showed like 20A
2014-08-12T03:52:56 < dongs> with .1A precision
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2014-08-12T03:53:28 < dongs> you could negro it up into a inline USB-A or something cable
2014-08-12T03:53:33 < dongs> make on one end female on another
2014-08-12T03:53:41 < dongs> to use to measure draw of whatever stuff thats connected through it
2014-08-12T03:54:15 < dongs> as a bonus I think you can power it from separate power rail
2014-08-12T03:54:16 < upgrdman> i was gonna do what you're doing... meter my hub
2014-08-12T03:54:26 < dongs> so its internal draw doesn't affect measurement if you care about that
2014-08-12T03:54:39 < upgrdman> i don't, but that's cool.
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2014-08-12T03:58:24 < dongs> http://i.imgur.com/mOXCBm2.jpg nice dust
2014-08-12T03:58:48 < dongs> something plugged in wakes up every minute or so and it jumps to ~800mA
2014-08-12T04:01:26 < upgrdman> nice dust
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2014-08-12T04:31:26 < dongs> good dust for innovation
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2014-08-12T05:30:55 < dongs> http://i.imgur.com/nomZVCJ.jpg finally innovation
2014-08-12T05:42:39 < MrMobius> is that a ender for your dickstarter?
2014-08-12T05:42:43 < MrMobius> *render
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2014-08-12T06:16:48 < GargantuaSauce> haha dongs when you previously mentioned doing a metered usb power supply i was under the impression you'd get all fancy with an enclosure and shit
2014-08-12T06:17:18 < dongs> no i totally niggered it up
2014-08-12T06:17:29 < GargantuaSauce> good to see a ghetto implementation
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2014-08-12T07:06:43 < dongs> score http://www.ebay.com/itm/121402635262
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2014-08-12T07:40:06 < upgrdman> would you really buy silicon from some random fuck on ebay?
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2014-08-12T07:51:15 < dongs> upgrdman: its got a cool logo on it
2014-08-12T07:51:20 < dongs> and hes not a random fuck
2014-08-12T07:51:30 < dongs> he probly stole it from his old job that got acquired last month
2014-08-12T07:51:35 < dongs> looks pretty legit
2014-08-12T07:52:20 < upgrdman> hmm
2014-08-12T07:52:46 < dongs> besides he's been a ebay duder since 2001
2014-08-12T07:53:15 < dongs> http://audience.com/templates/corporate_response/images/sensor.jpg the logo is really nice too
2014-08-12T07:53:29 < dongs> im gonna ask him for hirespic of the logo before he ships the shit
2014-08-12T07:54:41 < upgrdman> i take it stm will laser your logo if you buy >10k units or something?
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2014-08-12T07:54:50 < dongs> maybe as little as 960!
2014-08-12T07:55:08 < dongs> there are places that'll do it separately also
2014-08-12T07:55:17 < dongs> my taiwan office has a machine that'll relabel chips
2014-08-12T07:55:26 < dongs> laser shit off, laser new shit back on
2014-08-12T07:55:34 < upgrdman> well separately... as in after the factory laser the stock lettering? sounds ugly?
2014-08-12T07:55:42 < upgrdman> oh, laser off. ok
2014-08-12T07:56:11 < dongs> last i saw stuff from it was about 5 years ago so I dont remember but i think it looked pretty good
2014-08-12T07:56:27 < upgrdman> laser a veiny dong on some f1's
2014-08-12T07:58:04 < dongs> k sent email asking for pic
2014-08-12T07:58:11  * GargantuaSauce adds to the christmas list: 1k f407IG with http://k.7w7.us/vk/cs1535.vkontakte.ru/u17040999/a_23516e3c.jpg
2014-08-12T07:58:23 < dongs> haha
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2014-08-12T08:07:37 < ossifrage> anyone know of a tool that can dump out the address ranges in an intel hex file?
2014-08-12T08:08:50 < dongs> notepad.exe?
2014-08-12T08:09:30 < ossifrage> I was pulling the ranges out with sed, but it imagine there is a tool that can do it for me...
2014-08-12T08:10:33 < baird> Maybe http://srecord.sourceforge.net/ ..
2014-08-12T08:11:20 < baird> I once used it for Intell files, and checking now it has a crop filter
2014-08-12T08:12:01 < ossifrage> normally I just use elf files, why bother with a text format, but pyocd is failing to handle this elf file
2014-08-12T08:12:55 < ossifrage> and s-records are far more sane then intel hex files
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2014-08-12T08:36:30 < emeb_mac> haha: http://www.electronicproducts.com/Manufacturing/IC_and_Board_Assembly/Are_hand_made_PCBs_going_out_of_fashion.aspx
2014-08-12T08:36:56 < emeb_mac> "it is nearly impossible to assemble surface-mount components (SMT) properly onto the board without the right machinery"
2014-08-12T08:37:51 < ossifrage> emeb_mac, I don't understand where that myth comes from, through hole is a pain in the ass
2014-08-12T08:38:05 < emeb_mac> true dat
2014-08-12T08:52:51 < GargantuaSauce> lol nearly impossible
2014-08-12T08:52:56 < GargantuaSauce> if *I* can do it anyone can
2014-08-12T08:54:13 < GargantuaSauce> then again this is an ad for an assembly firm
2014-08-12T09:13:16 < GargantuaSauce> it is funny they use the argument that diy methods can damage parts and boards
2014-08-12T09:13:30 < GargantuaSauce> because you can definitely do that with an iron with TH stuff too!
2014-08-12T09:14:07 < PaulFertser> ossifrage: probably objcopy to convert to binary, then dd?
2014-08-12T09:16:13 < dongs> PaulFertser: it might have gaps
2014-08-12T09:16:22 < dongs> which is i think what hes trying to do
2014-08-12T09:16:50 < PaulFertser> dongs: so objcopy will just add zeros instead of the gaps?
2014-08-12T09:17:32 < dongs> i doonno
2014-08-12T09:17:37 < dongs> i dont use freetard tools ~
2014-08-12T09:19:13 < PaulFertser> What tool would you use for the purpose?
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2014-08-12T09:41:02 < baird> paytard or stealtard tools
2014-08-12T09:53:13 < ossifrage> PaulFertser, sadly I ended up using hex2dump.py, od and meld to do what I wanted...
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2014-08-12T09:56:14 < ossifrage> okay here is another one, this vendor code I'm playing with likes to hide static data in weird places and I can't seem to get an address of where things are getting mapped to.
2014-08-12T09:58:05 < ossifrage> The symbol doesn't show up in my .map file and I can't seem to find it in nm (and gdb doesn't find it)
2014-08-12T10:17:42 < dongs> baird: i generally pay for my tools
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2014-08-12T12:42:56 < qyx_> Abhishek_: i will post it later
2014-08-12T12:47:44 < qyx_> dongs: not that bad desing from the point of crypto
2014-08-12T12:48:10 < qyx_> standard zrtp/otr approach
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2014-08-12T12:50:16 < dongs> sure
2014-08-12T12:50:26 < dongs> quality is pretty garbage tho
2014-08-12T12:50:41 < dongs> to get crypto over voice channel  they really gotta compress voice down to like 1kbps
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2014-08-12T15:45:00 < superbia> http://www.ebay.com/itm/Diamond-Sound-XSTU21-2-Channel-USB-2-0-Sound-Enhancer-with-Vacuum-Tube-Design-/371030174177?pt=US_Sound_Card_External&hash=item56631f29e1
2014-08-12T15:54:10 < dongs> super old
2014-08-12T15:54:21 < dongs> that shits been around forever
2014-08-12T16:18:15 < Laurenceb_> http://www.theregister.co.uk/2014/08/12/lohan_pi_palaver/
2014-08-12T16:18:21 < Laurenceb_> oh the dramaz
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2014-08-12T17:35:49 < dongs> https://www.youtube.com/watch?v=OMY_al9RNQI lool, found mcd's that Laurenceb_ works at
2014-08-12T17:38:40 < dongs> or shoiuld I say worked
2014-08-12T17:48:47 < Steffanx> Do all people do that.. look at the "inside" of the sandwich?
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2014-08-12T17:57:26 < Laurenceb_> http://album.dbrooke.me.uk/2014-07-05_BALYOLO/P1010818.JPG
2014-08-12T17:57:33 < Laurenceb_> how can this be a business O_o
2014-08-12T17:59:19 < Steffanx> You made it your business.. with all this secret bbb stuff
2014-08-12T18:00:13 < mumptai> beagleboneblack?
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2014-08-12T18:00:33 < Steffanx> yes mumptai
2014-08-12T18:02:50 < mumptai> but how big is the market anyways?
2014-08-12T18:06:01 < jpa-> well how many schools there are in europe?
2014-08-12T18:07:05 < jpa-> looks like they do other stuff also
2014-08-12T18:07:27 < Laurenceb_> dat logo
2014-08-12T18:07:59 < Laurenceb_> murica version
2014-08-12T18:08:00 < Laurenceb_> http://www.jpaerospace.com/
2014-08-12T18:14:12 < karlp> anyone seen any hsic devices? (other than usb hubs with hsic for upstream?)
2014-08-12T18:17:42 < jpa-> http://www.digikey.com/product-detail/en/USB4640-HZH-03/638-1113-ND/2507846   hub + card reader ;)
2014-08-12T18:18:51 < Laurenceb_> http://entertainment.slashdot.org/comments.pl?sid=5519435&cid=47653221
2014-08-12T18:18:55 < Laurenceb_> i lolld
2014-08-12T18:20:24 < karlp> yeah, the eval board is $100 bucks, was wondering if there was anything else around
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2014-08-12T18:31:28 < englishman> http://andybrown.me.uk/wk/2014/06/01/ase/
2014-08-12T18:33:49 < Laurenceb_> huh
2014-08-12T18:33:57 < Laurenceb_> stm32f4 can do all that in hardware
2014-08-12T18:34:10 < Steffanx> Yeah, i was wondering.. why the fpga.
2014-08-12T18:35:19 < Steffanx> As a learning projects it's nice though.
2014-08-12T18:35:53 < englishman> looks like it does sprite drawing as well as lcd stuff
2014-08-12T18:36:01 < englishman> but yeah seems f4 could do that as well
2014-08-12T18:36:09 < Laurenceb_> yup
2014-08-12T18:36:30 < zyp> the lcd controller in f429 doesn't really support sprites, does it?
2014-08-12T18:36:37 < zyp> just a few drawing layers
2014-08-12T18:36:55 < Laurenceb_> i thought it can do rectangle move and transparency layers?
2014-08-12T18:37:05 < englishman> It’s not possible to do all of this using an unassisted MCU with CPU power alone. We need to offload the heavy lifting involved with moving all those graphics around to a co-processor and as you can tell from the title of this article I’ve elected to use an FPGA to do that.
2014-08-12T18:37:16 < zyp> Laurenceb_, sure, but that's not a full sprite processor
2014-08-12T18:37:25 < Laurenceb_> good enough for this
2014-08-12T18:38:02 < englishman> or maybe two f4s if one really isnt fast enough
2014-08-12T18:38:27 < zyp> «It’s almost certainly overkill, and the fact that the F429 contains a ‘Chrome-ART’ accelerator that has considerable functional overlap with the sprite accelerator has not gone un-noticed.»
2014-08-12T18:38:46 < Laurenceb_> yeah
2014-08-12T18:39:37 < zyp> designed in altium, so that guy is real pro
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2014-08-12T19:12:09 < aadamson> oh, boy, I just graduated... designed and built from altium = pro!!! :) (I'll go back in the corner now)...
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2014-08-12T19:14:21 < Steffanx> aadamson, you're on IRC, do EE so you're an IRC EE pro
2014-08-12T19:14:36 < aadamson> hehe... been there done that, left it already
2014-08-12T19:14:41 < aadamson> wasteland...
2014-08-12T19:15:25 < aadamson> i don't get it tho descrete ldo's, fpga, etc... oh well, I know I've put things on boards just cuz you can and to play with.. maybe that's the *logic* to this all
2014-08-12T19:15:52 < aadamson> "The heat sinking around the AMS1117 3.3V SOT-223 package isn’t good enough. I should increase the size of the pad that the thermal tab is soldered to and mirror the pad on the opposite side of the board, connecting them together with a grid of vias."
2014-08-12T19:15:55 < aadamson> duh, ya think!!!
2014-08-12T19:16:16 < aadamson> smps's are almost as small as LDO's depending on the gazinta to gazouta voltages
2014-08-12T19:16:29 < aadamson> and currents
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2014-08-12T19:17:28 < aadamson> "The STM32F429 turned out to be just the overkill that I thought it would be and it’s the most expensive part on this board. My guess is that the sweet spot would be the new 84MHz F401 device that retains the important SDIO peripheral and FPU core while running plenty fast enough to execute game logic and costing half the price of the F429." and I guess he never really messed with the ART co functions... oh well.. each to their own
2014-08-12T19:18:28 < aadamson> funny too cuz, he actually does some pretty nice stuff...
2014-08-12T19:30:19 < emeb> Seems like a pretty well done article
2014-08-12T19:30:53 < emeb> Design has some issues, but he acknowledges them.
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2014-08-12T23:20:03 < GargantuaSauce> i was pretty impressed by that writeup
2014-08-12T23:20:38 < GargantuaSauce> i mean yeah the f4 could do all that stuff alone with grunt to spare but it's definitely a pedagogical affair
2014-08-12T23:20:55 < GargantuaSauce> and he wrote about it well
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2014-08-12T23:29:41 < Sync> yeah
2014-08-12T23:29:53 < Sync> he has made a driver for the display before with an f4
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2014-08-12T23:56:18 < qyx_> http://i.imgur.com/o4VVDsi.png
2014-08-12T23:56:27 < qyx_> is this going to work?
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2014-08-12T23:56:48 < qyx_> HS_R is output to 8ohm repro
--- Day changed Wed Aug 13 2014
2014-08-13T00:07:36 < GargantuaSauce> i cba to look up gate charge but it and max gpio source/sink current will limit the switching speed
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2014-08-13T00:11:02 < GargantuaSauce> not sure whether the actual output will be what you want. vaguely familiar with the topology wrt SMPS design but not audio
2014-08-13T00:12:42 < GargantuaSauce> a cap from l6/c13 to vcc might be in order, to make the charge/discharge of c13 symmetrical
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2014-08-13T02:50:27 < dongs> haha the guy with stm32f103rb has 4 more 960pc boxes
2014-08-13T02:50:52 < dongs> i asked for hirespics of the logo before shipping and he was like "ive got 4 more where this came from, do you want"?
2014-08-13T02:54:28 < zyp> cheap?
2014-08-13T03:04:34 < dongs> same as b efore
2014-08-13T03:04:40 < dongs> 1k for 960
2014-08-13T03:05:43 < Simon--> what's at 0x1FFFF7E8? ;)
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2014-08-13T03:08:10 < dongs> other than unique ID?
2014-08-13T03:10:17 < zyp> I guess what he's asking are «is the unique ID unique on them?»
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2014-08-13T03:15:22 < Simon--> and there's wafer/lot # or something there, too, I think
2014-08-13T03:15:39 < Simon--> maybe that was something else
2014-08-13T03:23:56 < Sync> well, that would make sense to encode that in there
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2014-08-13T04:00:33 < dongs> hm how did that altium guy do this http://i0.wp.com/andybrown.me.uk/wk/wp-content/images/ase/latch_schematic.png
2014-08-13T04:00:44 < dongs> the non-connected wires showing up as bumps
2014-08-13T04:00:56 < dongs> i guess its an option somewehre
2014-08-13T04:05:52 < upgrdman> dongs: GargantuaSauce: dirtypcbs blog update. im happy. copper, vias, soldermask seem very good. silk is a bit offset, but very acceptable for the price.  http://farrellf.com/temp/first2layerPcb.jpg
2014-08-13T04:06:54 < dongs> loks like mask is offset, too
2014-08-13T04:06:55 < dongs> :)
2014-08-13T04:07:07 < upgrdman> oh ya. it is :)
2014-08-13T04:07:39 < dongs> thats some pretty pro shit right there
2014-08-13T04:07:48 < dongs> wtf coating is that
2014-08-13T04:07:49 < dongs> OSP?
2014-08-13T04:07:52 < dongs> it doesnt look like hasl
2014-08-13T04:08:01 < upgrdman> supposed to be HASL
2014-08-13T04:08:26 < dongs> so everything worked out of the box?
2014-08-13T04:08:29 < upgrdman> only other option was ENIG, and it sure as fuck isn't ENIG.
2014-08-13T04:08:32 < upgrdman> yup
2014-08-13T04:09:12 < upgrdman> not bad for $1.40 per pcb ($14 for 10)
2014-08-13T04:11:16 < synic> I had the same experience.  Board worked fine, silk was a little messy.  I also liked that you could reupload your gerber files if you're an idiot like me and prone to mistakes
2014-08-13T04:39:12 < englishman> same chinafab as all the others i guess
2014-08-13T04:39:23 < dongs> sure
2014-08-13T04:39:25 < dongs> what do you expet
2014-08-13T04:39:30 < englishman> i expected that
2014-08-13T04:39:35 < dongs> anything that has that 10-something digit manufacturer code
2014-08-13T04:39:51 < dongs> with horrible inkjet-printed silk etc
2014-08-13T04:39:52 < englishman> and offset silk, and dirt cheap prices
2014-08-13T04:39:54 < englishman> ya
2014-08-13T04:40:06 < dongs> and offset drills
2014-08-13T04:40:14 < englishman> still better than oshpark
2014-08-13T04:40:26 < dongs> i thought oshpark was MADE IN USA
2014-08-13T04:40:37 < englishman> that doesnt mean anything about quality
2014-08-13T04:41:03 < englishman> pedro can be just as lazy as xiaubiu
2014-08-13T04:41:58 < englishman> whats that rf shit for upgrdman
2014-08-13T04:42:03 < englishman> looks neat
2014-08-13T04:42:24 < dongs> sounds like some 2.4ghz wireless shit, TI or whatever
2014-08-13T04:42:29 < dongs> i think its a servo tesster
2014-08-13T04:42:32 < dongs> that he got carried away with
2014-08-13T04:42:36 < upgrdman> yes :)
2014-08-13T04:42:37 < dongs> next hes gonna make a flight controller out of it
2014-08-13T04:42:44 < upgrdman> rf == hc05 bluetooth, and ti cc2500
2014-08-13T04:42:53 < upgrdman> cc2500 for the spectrum analyzer part
2014-08-13T04:43:03 < englishman> oh thats hc05, didnt recognize
2014-08-13T04:43:16 < upgrdman> hc05 for general dicking around. maybe logging servo current draw graphs, etc.
2014-08-13T04:43:23 < englishman> i bought some hm10 to dick with
2014-08-13T04:43:27 < englishman> btle y0
2014-08-13T04:43:37 < englishman> network all the things
2014-08-13T04:43:47 < upgrdman> it's a servo tester + spec an + tetris + whatever else i can manage to think off.
2014-08-13T04:43:48 < dongs> I got HM-11 in a proj
2014-08-13T04:44:05 < englishman> im going to corner the market on social buttplugs
2014-08-13T04:44:24 < englishman> all networked to central server recording all anus data
2014-08-13T04:44:39 < upgrdman> lol
2014-08-13T04:45:03 < dongs> dont end up like this guy http://metro.co.uk/2014/08/12/man-dies-after-getting-vibrator-stuck-up-his-anus-and-waiting-too-long-to-get-medical-attention-4830046/
2014-08-13T04:45:07 < upgrdman> with a 10W power resistor to encourage/enforce social interaction?
2014-08-13T04:45:21 < englishman> no you will be able to set up an alert
2014-08-13T04:45:28 < englishman> and tweet it to facebook
2014-08-13T04:45:32 < englishman> automatically
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2014-08-13T05:59:42 < dongs> ooooooooooooooooooooooooo
2014-08-13T06:00:10 < dongs> http://i.imgur.com/dAaXjtQ.jpg oOOoooooOOOooooo
2014-08-13T06:00:24 < dongs> looks liek that was done by ST
2014-08-13T06:00:27 < dongs> and not  relasering
2014-08-13T06:02:26 < gxti> maybe they just like the font
2014-08-13T06:04:38 < englishman> whats that
2014-08-13T06:05:28 < dongs> my ebay score
2014-08-13T06:05:31 < englishman> obfuscated chips?
2014-08-13T06:05:41 < dongs> http://www.ebay.com/itm/121402635262
2014-08-13T06:06:29 < englishman> but wheres the stm part no?
2014-08-13T06:06:34 < englishman> like, f1
2014-08-13T06:06:46 < dongs> custom part# just like the shit in wii u
2014-08-13T06:06:56 < dongs> you buy few k from ST and they'll put wahtever you want on it
2014-08-13T06:06:57 < englishman> ah k
2014-08-13T06:07:24 < dongs> non-cloneable afro64!!11
2014-08-13T06:07:39 < englishman> On July 11th 2014, Audience completed the acquisition of Sensor Platforms.
2014-08-13T06:07:45 < dongs> yes
2014-08-13T06:07:53 < dongs> that guy walked out with 5 boxes of those things.
2014-08-13T06:07:59 < dongs> hes trying to sell me the other 4.
2014-08-13T06:08:13 < englishman> and the ceos walked out with rolls royces and villas in the caribbean
2014-08-13T06:08:27 < dongs> gotta have priorities
2014-08-13T06:08:34 < dongs> carribean = snore
2014-08-13T06:08:40 < dongs> rollsroyce = ugly as shit car
2014-08-13T06:08:42 < englishman> amakusa then
2014-08-13T06:08:46 < englishman> and toyotas
2014-08-13T06:08:54 < dongs> i'd rather walk out with a bunch of chips.
2014-08-13T06:09:42 < dongs> nice, click, m-i in altium to drop component on opposite layer
2014-08-13T06:09:48 < dongs> much handy
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2014-08-13T06:55:23 < gxti> or just press L while dragging...
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2014-08-13T07:37:47 < dongs> ok that works too
2014-08-13T07:37:47 < dongs> cool
2014-08-13T07:40:03 < englishman> but my keyboard is in lower case
2014-08-13T07:41:56 < englishman> anyone used TPS6223x before
2014-08-13T07:43:08 < dongs> 1x1.5mm
2014-08-13T07:43:11 < dongs> sounds innovative
2014-08-13T07:44:22 < englishman> gotta keep XS size buttplugs in mind
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2014-08-13T07:51:07 < gxti> no but i used LM3691 which is similar but bigger... a massive 1.6mm x 1.3mm. bitch to solder but it worked great. looks like yours has bigger lands so it might be easier?
2014-08-13T07:51:48 < englishman> TI has so goddamn many parts its hard to tell whats similar
2014-08-13T07:52:12 < gxti> yes. i'm looking at LM3671 now for a future project, xbox huge sot-23-5
2014-08-13T07:52:18 < gxti> same shit yet again
2014-08-13T07:52:45 < dongs> for sot23-5 NCP1521 or so is good
2014-08-13T07:53:03 < dongs> simple, low parts count, can be adjustable etc
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2014-08-13T07:53:31 < dongs> and there's a dual version of same
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2014-08-13T07:53:59 < gxti> yep, same shit same footprint etc
2014-08-13T07:54:30 < dongs> ah, right. i used to use 3670
2014-08-13T07:54:33 < gxti> at least they're kind enough to not change the pins around
2014-08-13T07:54:34 < dongs> same footprint, but different vref
2014-08-13T07:54:41 < dongs> yea, i like those pin compatible things
2014-08-13T07:54:54 < dongs> like all those LDOs compatibvle with LP2992 in sot23-5
2014-08-13T07:55:03 < dongs> theres like hundreds of htem from many manufacturers
2014-08-13T07:55:19 < gxti> long time ago i used SC189 which is yet another, the foldback current limiting pissed me off enough because when connecting a capacitive load it would drop to 1v and never recover
2014-08-13T07:55:37 < englishman> they all seem the same
2014-08-13T07:55:51 < englishman> roughly same current rating, same switching speed, same external components
2014-08-13T07:55:58 < englishman> just package size and other stuff
2014-08-13T07:56:00 < gxti> they can't change physics
2014-08-13T07:56:15 < englishman> buy why 6000 part numbers :(
2014-08-13T07:56:20 < gxti> all a buck converter does is chop stuff up and poop it into an inductor
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2014-08-13T10:12:34 < dongs> where is chat
2014-08-13T10:18:24 < emeb_mac> no chatz
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2014-08-13T10:31:21 < baird> I
2014-08-13T10:31:53 < baird> I'm recovering from the trauma of being shat-attacked by an owl.
2014-08-13T10:33:35 < baird> Don't everyone say "O Rly?" at once..
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2014-08-13T10:36:40 < dongs> or'ly
2014-08-13T10:36:45 < dongs> actual;ly I was biking yesterday
2014-08-13T10:36:49 < dongs> and liek 2 meters of me, splat!
2014-08-13T10:36:57 < dongs> there was an eagle sitting on power lines above me
2014-08-13T10:44:35 < rewolff> Watch the path, if there is a pile of bird-shit, take a detour....
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2014-08-13T10:51:49 < baird_> The culprit here even looks like a complete dick. http://t.co/ShalRlT9PY
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2014-08-13T11:20:42 < dongs> wow
2014-08-13T11:20:47 < dongs> he looks srs
2014-08-13T11:33:19 < dongs> https://www.youtube.com/watch?v=lY_BMzqP6rE
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2014-08-13T12:05:04 < gnomad> dongs: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740002978.pdf
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2014-08-13T12:25:34 < karlp> englishman: what don't you like about oshpark pcbs?
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2014-08-13T12:32:40 < dongs> gnomad: good shit
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2014-08-13T14:06:10 < tyler_durden> hi i'm working on stm32l152cb MCU and it uses 6mA where as the data sheet shows 1mA @ 4Mhz MSI clock , i configured for 2Mhz MSI , are there any configurations to change
2014-08-13T14:08:12 < karlp> check your measurements for starters, and what else you might be including in your measurements, that you weren't thinking of.
2014-08-13T14:11:15 < Claude> tyler_durden, yeah depening on which peripherial is activated the current might be quite high. for example it took me quite a long time to achieve the 1.xx uA stop+rtc current claimed in the stm32l datasheet. also keep try to get a DMM with a low burden resistance :) using a cheapo DMM for sub mA currents usually just give crap
2014-08-13T14:11:55 < dongs> do you have a led connected to it ? :)
2014-08-13T14:12:10 < Claude> or a level shifter ;)
2014-08-13T14:13:19 < dongs> oh nice
2014-08-13T14:13:30 < dongs> my ipad air retina lcd is already in jp from chinapost
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2014-08-13T14:22:35 < rewolff1>  tyler_durden The number they quote in the datasheet is "optimal" which means they do everything to make that number as low as possible. They might even go as far as "cheating".
2014-08-13T14:23:16 < rewolff1> Anyway, they have turned off things like gpio ports, timers etc etc and specify the current use of those modules elesewhere....
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2014-08-13T14:40:34 < dongs> http://hackaday.com/2014/08/10/reverse-engineering-a-gps-watch-to-upload-custom-firmwares/ cool
2014-08-13T14:40:41 < dongs> i guess someone finally ported u8lib to arm
2014-08-13T14:40:43 < dongs> ugfx is dead now
2014-08-13T14:44:32 < qyx_> converter for fonts in exe? you are kidding
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2014-08-13T15:23:01 < englishman> karlp: drills really, causing huge vias
2014-08-13T15:23:22 < englishman> but since 4L allows way smaller vias i guess its a different fab for those
2014-08-13T15:34:57 < baird> There was eTrex Yellow firmware hacks back in the day..
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2014-08-13T15:49:36 < Steffanx> ok
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2014-08-13T16:07:17 < dongs> sup blogs
2014-08-13T16:07:37 < dongs> http://gerblook.org/pcb/26RnRznCyjWM6W3P3cngo6 this guy is fucking pro
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2014-08-13T16:09:20 < Laurenceb_> trolling detected
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2014-08-13T16:13:29 < gnomad> what's with the stripes in the copper pour?
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2014-08-13T16:14:38 < rewolff1> Could be that he scaled the image by 0.95, so that it is a scaling artefact.
2014-08-13T16:14:44 < dongs> just gerblook
2014-08-13T16:14:49 < dongs> well pours are done as lines
2014-08-13T16:14:57 < dongs> in gerbers
2014-08-13T16:14:59 < dongs> so thats probly why
2014-08-13T16:15:13 < Laurenceb_> rounding errors
2014-08-13T16:15:20 < rewolff1> Same shit, interference at the rendering level.
2014-08-13T16:15:36 < rewolff1> interference, aliasing moire....
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2014-08-13T16:29:59 < qyx_> too much smd
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2014-08-13T17:06:46 < Steffanx> know issues of gerbv ..
2014-08-13T17:06:54 < Steffanx> A couple of rendering issues with gerbv
2014-08-13T17:06:54 < Steffanx> Files generated from Eagle Cad sometimes have horizontal lines running through polygons
2014-08-13T17:06:58 < Steffanx> @ homepage of gerblook
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2014-08-13T18:13:59 < dongs> im trying to route this with 0.1mm grid
2014-08-13T18:14:05 < dongs> seems OK so far, at least for parts placement.
2014-08-13T18:15:26 < dongs> hm, but for routing it sux
2014-08-13T18:17:58 < CipherWizard> I use the archlinux package
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2014-08-13T18:39:43 < Laurenceb_> http://i2.kym-cdn.com/news_feeds/icons/original/000/014/370/19b.jpg
2014-08-13T18:40:46 < Steffanx> Source..
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2014-08-13T19:33:16 < dongs> gxti: any good way to drop a via w/specific net that doesnt involve sticking it on pad first then moving?
2014-08-13T19:33:54 < dongs> somethin like pv, then press something + click to grab a net for the  via, then click again to drop it
2014-08-13T19:34:16 < gxti> dunno. you can press tab and pick from dropdown but that's not easier. what are you trying to do?
2014-08-13T19:34:26 < dongs> yeah, i know tab
2014-08-13T19:34:41 < dongs> im just making vias next to pads, then routing them. i know i can do * to switch layers etc.
2014-08-13T19:34:52 < dongs> (and add auto-via
2014-08-13T19:35:02 < dongs> but this is too small of a design, i dont want auto stuff
2014-08-13T19:35:45 < gxti> i would just route and use *. you can stop after placing the via then go back later i guess.
2014-08-13T19:36:13 < dongs> well,  i dont always like the extra bends and shit it adds if you *
2014-08-13T19:36:23 < dongs> like via would be on grid but trace isnt, etc
2014-08-13T19:36:31 < dongs> if youre routing from center of some pad
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2014-08-13T19:36:42 < gxti> do you have 'snap to object hotspot' turned off?
2014-08-13T19:36:43 < dongs> so it adds a _/ etc and it looks like shit
2014-08-13T19:36:49 < dongs> no, i have it turned on
2014-08-13T19:36:51 < dongs> thats what causes it
2014-08-13T19:36:57 < gxti> then you'd get the same thing whether you route first or last
2014-08-13T19:37:04 < dongs> i.e. you have a 0402 on grid
2014-08-13T19:37:09 < dongs> but center of 0402 pads isnt on grid
2014-08-13T19:37:19 < zyp> there's a button to add via without changing layer too
2014-08-13T19:37:21 < dongs> so when you route (from snap), its already offgrid, but * will drop via on grid
2014-08-13T19:37:27 < dongs> oh?
2014-08-13T19:37:34 < dongs> that might be what i need
2014-08-13T19:37:38 < zyp> hmm, I don't remember
2014-08-13T19:37:39 < zyp> 2?
2014-08-13T19:37:50 < zyp> while routing
2014-08-13T19:37:52 < dongs> weet
2014-08-13T19:37:53 < gxti> you can press f1 while routing and it will show you all the shotcuts
2014-08-13T19:37:56 < dongs> sweet, yea
2014-08-13T19:38:00 < dongs> that works thx zyp
2014-08-13T19:38:10 < gxti> i still don't understand what you expect to be different
2014-08-13T19:38:57 < dongs> * is annoying as I am not interested in next layer
2014-08-13T19:39:09 < gxti> sure, but you were complaining about grids
2014-08-13T19:39:15 < dongs> dropping via into pad first then dragging it out + doing trace is also annoying
2014-08-13T19:39:17 < dongs> yes
2014-08-13T19:39:25 < dongs> but "2" seesm to worwk fine
2014-08-13T19:39:33 < dongs> the via is centered at pad center
2014-08-13T19:39:35 < dongs> not on grid
2014-08-13T19:39:51 < dongs> with * it would be always a few pixels off, making a bend in the trace
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2014-08-13T19:55:41 < gnomad> any actual news on this? https://twitter.com/eevblog/status/499035676814225408
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2014-08-13T19:59:58 < zyp> huh
2014-08-13T20:01:32 < Steffanx> i guess not.. no press release about it yet
2014-08-13T20:02:21 < zyp> wonder what «free» entails
2014-08-13T20:02:31 < Lux> they should rather make a cheaper pcb only version
2014-08-13T20:02:32 < zyp> probably «horribly crippled»
2014-08-13T20:02:44 < Lux> noone needs all the stuff altium has
2014-08-13T20:02:55 < Steffanx> You mean schematic + pcb only? :)
2014-08-13T20:02:59 < Lux> yep
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2014-08-13T20:18:47 < Steffanx> The eevblog forum doesnt say more either, so i guess it's still a secret.
2014-08-13T20:20:52 < dongs> free version will only support DIP components
2014-08-13T20:21:25 < Steffanx> Yes and it will be open sores
2014-08-13T20:21:35 < dongs> fat chance
2014-08-13T20:21:55 < Steffanx> Only usable with components sold by .. [insert distributor]
2014-08-13T20:22:33 < gxti> altium vault components only, and you can't export gerbers. you just insert your credit card and it auto-orders pcb and parts from an overpriced middleman.
2014-08-13T20:22:44 < dongs> sweet!
2014-08-13T20:22:53 < dongs> i might as well just keep using expresspcb then
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2014-08-13T20:23:13 < Steffanx> or this mentor stuff digikey supports?
2014-08-13T20:23:16 < dongs> their software does exactly  that
2014-08-13T20:23:27 < dongs> digikey supports some eda package?
2014-08-13T20:23:41 < dongs> shitty places support this "PCB ARTIST" thing
2014-08-13T20:24:09 < Steffanx> http://www.digikey.com/product-highlights/us/en/mentor-graphics-designer-software/4171
2014-08-13T20:24:22 < dongs> hah
2014-08-13T20:24:25 < dongs> 300/year
2014-08-13T20:24:28 < dongs> lemme get right on that
2014-08-13T20:25:10 < Steffanx> free beta version
2014-08-13T20:25:25 < dongs> so its schematic capture only?
2014-08-13T20:25:27 < dongs> what good is that
2014-08-13T20:26:04 < Steffanx> i've no idea
2014-08-13T20:26:05 < dongs> The web-based software, now available in beta form, allows engineers to transform Digi-Key's parametric data into EDA representation (specifically symbols and footprints), so that they can instantly and accurately instantiate parts into their design. - See more at: http://www.newelectronics.co.uk/electronics-news/mentor-teams-with-digi-key-on-affordable-eda-tool/61606/#sthash.xMnYdJwk.dpuf
2014-08-13T20:26:13 < dongs> motherfucker , see more shit
2014-08-13T20:26:20 < dongs> oh right, i reinstalled
2014-08-13T20:26:23 < dongs> and didnt save hosts
2014-08-13T20:26:32 < dongs> ugh
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2014-08-13T20:26:54 < dongs> "web based"
2014-08-13T20:26:55 < Steffanx> oh yeah the beta doesn't include the pcb stuff
2014-08-13T20:27:03 < dongs> got enough shitty cloud schematic things
2014-08-13T20:32:04 < Steffanx> At least you are addicted to Altium now, behing hooked to the mouse/keyboard at 2:30
2014-08-13T20:32:10 < Steffanx> *being
2014-08-13T20:34:36 -!- superbia1 is now known as superbia666
2014-08-13T20:37:52 < superbia666> http://www.theregister.co.uk/2014/08/13/512k_invited_us_out_to_play/
2014-08-13T20:39:04 < dongs> i think my internet was slow last night
2014-08-13T20:39:28 < superbia666> pause the torrents .
2014-08-13T20:39:42 < superbia666> but on the other hand.. porn cant wait.
2014-08-13T20:40:02 < dongs> torrents? waht the fuck do you think i am, 13?
2014-08-13T20:40:16 < Steffanx> You caused this hiccip in the interwebs?
2014-08-13T20:40:23 < superbia666> i doubt u buy ur windows shit anyway..
2014-08-13T20:40:30 < dongs> i do actually
2014-08-13T20:40:41 < Steffanx> *hiccup
2014-08-13T20:40:41 < superbia666> well then i take it all back
2014-08-13T20:40:53 < Steffanx> https://www.bgpmon.net/what-caused-todays-internet-hiccup/ <= that one
2014-08-13T20:41:55 < Steffanx> oh mr superbia already posted that, but his messages magically disappear :P
2014-08-13T20:45:03 < Steffanx> im curious dongs. How the fancy table-sensor project ended?
2014-08-13T20:45:59 < dongs> Steffanx: works, the dudes are writing software for the BT end of things
2014-08-13T20:46:27 < dongs> stopped being my problem at this point, tho I'm going to need to do some protocol adjustments after they finish the stuff
2014-08-13T20:46:37 < Steffanx> i guess we'll never see the result?
2014-08-13T20:46:56 < dongs> i think i have a pic of it being installed into the enclosure
2014-08-13T20:46:57 < dongs> somewhere
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2014-08-13T21:53:30 < dongs> routing done, time tosleep
2014-08-13T21:59:04 < Steffanx> blog-out?
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2014-08-13T23:14:36 < qyx_> farnell down again
2014-08-13T23:14:45 < qyx_> why the hell are they doing maintenance at 22:00?
2014-08-13T23:15:04 < qyx_> at the time of the highest productivity
2014-08-13T23:15:44 < karlp> 512k routing problems still?
2014-08-13T23:16:23 < Sync> yeah qyx_
2014-08-13T23:16:27 < Sync> they always get me with that
2014-08-13T23:18:06 < qyx_> now 500 internal server error
2014-08-13T23:24:39 < rewolff1> Karlp: no, a neat "site unavailable" message, site is reachable.
2014-08-13T23:24:48 < rewolff1> (from here...)
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2014-08-14T00:23:25 < superbia666> https://www.youtube.com/watch?v=WSIR89-GfeM
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2014-08-14T02:14:59 < dongs> blogs
2014-08-14T02:15:15 < superbia666> already morning ?
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2014-08-14T02:17:58 < dongs> morning and blogging and ready
2014-08-14T02:18:33 < superbia666> sleepin for 4 hrs.. im well.. well
2014-08-14T02:21:09 < dongs> ya a bit rough
2014-08-14T02:21:14 < dongs> will have to deal
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2014-08-14T05:39:36 < dongs> hm
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2014-08-14T06:02:58 < dongs> hmp i can consistently reproduce a crash in polygon manager
2014-08-14T06:03:09 < dongs> polygon manager more like your design is polyGONE manager
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2014-08-14T07:35:32 < ds2> hmm
2014-08-14T07:35:42 < dongs> dongggggggggggggggggggggggggggssssssssssssss
2014-08-14T07:35:49 < dongs> ds2 whats the current innovation
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2014-08-14T07:45:18 < upgrdman> need to buy some ptc fuses. is "hold current" the current it can pass indefinitely? (normal load)
2014-08-14T07:45:51 < dongs> ya
2014-08-14T07:46:11 < dongs> 200mA = you can draw around that without it tripping.
2014-08-14T07:47:36 -!- madis_ [madist@unaffiliated/madist] has joined ##stm32
2014-08-14T07:48:27 < upgrdman> k thanks
2014-08-14T07:49:26 -!- madist [madist@unaffiliated/madist] has quit [Ping timeout: 250 seconds]
2014-08-14T07:51:00 < upgrdman> lol. "bel. defining a degree of exellence" ... a degree. at least they're honest.   http://www.belfuse.com/pdfs/0ZCJ.pdf
2014-08-14T07:53:50 < GargantuaSauce> our products are pretty ok
2014-08-14T07:54:01 < GargantuaSauce> buy them if you want, i guess
2014-08-14T07:58:54 < upgrdman> does this look like a decent 200mA ptc fuse? i've never bought a ptc before.   http://www.digikey.com/product-detail/en/0ZCJ0020FF2E/507-1797-1-ND/4156228
2014-08-14T07:59:21 < dongs> looks good
2014-08-14T08:00:04 < upgrdman> and why the concave contacts? my smd led's are like that too.
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2014-08-14T08:00:23 < GargantuaSauce> think it helps prevent tombstoning for bigger smd stuff
2014-08-14T08:01:18 < upgrdman> k
2014-08-14T08:01:22 < GargantuaSauce> make sure your inrush current isnt high enough to trip it of course
2014-08-14T08:01:29 < upgrdman> ya
2014-08-14T08:01:30 < dongs> ur a tombstoner
2014-08-14T08:03:48 < GargantuaSauce> no u
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2014-08-14T08:05:03 < upgrdman> GargantuaSauce: did you see my dirtypcbs pcb?
2014-08-14T08:05:08 < GargantuaSauce> ya
2014-08-14T08:05:16 < GargantuaSauce> the mask offset looks pretty nasty
2014-08-14T08:05:55 < GargantuaSauce> get what you pay for i guess
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2014-08-14T08:08:43 < GargantuaSauce> oh i didnt notice before, whats with the discolouration on top of the vias next to the middle of the lcd pins?
2014-08-14T08:09:02 < GargantuaSauce> looks like theres a bit of that reddish crap on a couple pads too
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2014-08-14T08:10:43 < upgrdman> ya
2014-08-14T08:10:47 < dongs> heh
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2014-08-14T08:12:40 < GargantuaSauce> oh also what highside current sensors are those
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2014-08-14T08:13:37 < upgrdman> red shit was some sort of marker. sharpie maybe. went away when i defluxed
2014-08-14T08:13:49 < upgrdman> current sensors are ti ina something.
2014-08-14T08:13:53 < upgrdman> lemme find link
2014-08-14T08:13:57 < GargantuaSauce> ah ok if its soluble that's nbd i guess
2014-08-14T08:14:30 < dongs> INA169? or wahjtnot
2014-08-14T08:14:41 < upgrdman> ina199a1    http://www.mouser.com/Search/ProductDetail.aspx?R=INA199A1DCKRvirtualkey59500000virtualkey595-INA199A1DCKR
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2014-08-14T08:20:41 < ds2> stagnation
2014-08-14T08:21:48 < GargantuaSauce> that is a hell of a lot fancier than the ones i got
2014-08-14T08:21:58 < upgrdman> the amps?
2014-08-14T08:22:02 < GargantuaSauce> yeah
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2014-08-14T08:24:10 < upgrdman> they're the first current amps i've ever used.
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2014-08-14T08:24:25 < upgrdman> seems nice so far.
2014-08-14T08:24:47 < upgrdman> i bought the 50x and the 100x versions.
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2014-08-14T08:28:30 < dongs> can you detect mA draw wiht that
2014-08-14T08:28:48 < GargantuaSauce> would probably need a bigger series resistor
2014-08-14T08:32:06 < upgrdman> with the 100x version and the 10mOhm shunt, yes. 3A with 1mA resolution, in theory. in practice, the stm adc noise means you have to do rolling averages.
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2014-08-14T08:33:13 < GargantuaSauce> oh i dropped a zero ._.
2014-08-14T08:33:16 < dongs> ive got a lcd panel i need to keep track of its current consupmtion to see if its dead or not
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2014-08-14T08:33:29 < dongs> i used some shit from allegro
2014-08-14T08:33:31 < upgrdman> err >1mA resolution. 3 / 4096 ... so uh 732.4uA resolution
2014-08-14T08:33:44 < dongs> ACS711
2014-08-14T08:33:46 < dongs> fucking overkill
2014-08-14T08:33:48 < dongs> cuz its like 15A
2014-08-14T08:33:54 < dongs> so its noisy as fuck at mA resolution
2014-08-14T08:36:34 < dongs> and i already fucked that board up by reversing pfet pinout on it, so i gotta redo it anyway
2014-08-14T08:36:37 < dongs> mgiht as well fix this shit too while im at it
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2014-08-14T08:57:12 < ReadError> ive used the ina169 and opamp
2014-08-14T08:57:19 < ReadError> works good
2014-08-14T08:59:08 < ReadError> http://www.digikey.com/product-detail/en/OPA188AIDBVT/296-36218-1-ND/4212804
2014-08-14T09:05:58 < dongs> lol nice i got more pics from magnet array
2014-08-14T09:07:19 < GargantuaSauce> oh sweet i definitely wanna see those
2014-08-14T09:08:01 < GargantuaSauce> whats the sample/refresh rate on that thing? would be awesome to see a video of the field around a running motor or something
2014-08-14T09:08:52 < dongs> i am sampling adc longest clock and  multiplexing but its still seems instant to readout whole thing
2014-08-14T09:09:03 < ds2> is that a hall effect sensor?
2014-08-14T09:12:34 < dongs> 420 hall effect sensors
2014-08-14T09:12:43 < upgrdman> photos?
2014-08-14T09:13:33 < dongs> after 4. need to get work done
2014-08-14T09:13:37 < dongs> ive t weeted them before
2014-08-14T09:13:54 < upgrdman> o ok
2014-08-14T09:14:05 < upgrdman> twitter account?
2014-08-14T09:14:11 < upgrdman> "dongs" ?
2014-08-14T09:14:15 < dongs> right her eon irc
2014-08-14T09:14:41 < upgrdman> ok. will poke the logs.
2014-08-14T09:14:44 < dongs> maybe yoiu can checkl logs
2014-08-14T09:14:53 < dongs> y
2014-08-14T09:15:38 < GargantuaSauce> k goin to bed. highlight me if you post new pics
2014-08-14T09:16:14 < dongs> kk will do. assdroid is such shit, takes ages to export/reupload/link pics from LINE cuz imgur app is garbage
2014-08-14T09:16:18 < dongs> and i got other shit i need to finsih firrst
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2014-08-14T12:37:00 < qyx_> i started to do electret mic preamp for stm32, internal mic & headset mic and mic detection
2014-08-14T12:37:19 < qyx_> the proper way, two stage lna, low noise bias supply and stuff
2014-08-14T12:37:37 < qyx_> then some headphone output, discrete d-class amp + internal speaker amp
2014-08-14T12:38:13 < qyx_> then i realized that all that stuff takes too much space, around 2x2cm and is too complicated
2014-08-14T12:38:19 < qyx_> then i realized it is 2014 already
2014-08-14T12:38:26 < GargantuaSauce> did you get someone more competent than me to comment on your output driver?
2014-08-14T12:38:47 < qyx_> and grabbed WM8901 for 1e
2014-08-14T12:39:13 < qyx_> which has 3 muxed stereo inputs, mic bias, preamp & PGA, output DC coupled driver for headphones
2014-08-14T12:39:20 < qyx_> diff output for speaker amp
2014-08-14T12:39:34 < qyx_> and all those things in just 5x5mm QFN.. for that price
2014-08-14T12:39:44 < qyx_> *WM8903
2014-08-14T12:40:24 < GargantuaSauce> ya that definitely makes more sense
2014-08-14T12:40:29 < qyx_> with the addition of WM9001, which is like 1e 4x4mm QFN D-class 1W speaker amp
2014-08-14T12:40:57 < GargantuaSauce> our age of integration has its perks
2014-08-14T12:41:00 < Laurenceb_> http://images.techhive.com/images/article/2014/08/hype-cycle-2014-100371840-large.idge.jpeg
2014-08-14T12:41:02 < Laurenceb_> lulwtf
2014-08-14T12:41:35 < t1memob> qyx what about that cs thing on disco board
2014-08-14T12:41:46 < t1memob> it has headphone and speaker amp
2014-08-14T12:42:51 < qyx_> it is DAC only
2014-08-14T12:43:00 < qyx_> this wolfson part is ADC/DAC stereo
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2014-08-14T12:43:46 < qyx_> or maybe its input also
2014-08-14T12:44:10 < qyx_> hm, ok, it would work too
2014-08-14T12:46:20 < qyx_> price $5.67/1pcs, only 150 in stock on DK, farnell nothing
2014-08-14T12:46:35 < timemob> it's like $1
2014-08-14T12:46:40 < qyx_> wut
2014-08-14T12:46:48 < timemob> or less I forgot what I paid
2014-08-14T12:46:53 < qyx_> http://www.digikey.com/product-detail/en/CS43L22-CNZ/598-1650-ND/2024884
2014-08-14T12:47:03 < timemob> right, but that's Jew price
2014-08-14T12:49:59 < dongs> 4	CS43L22	QFN40	10	$1.000 	$10.00
2014-08-14T12:50:04 < dongs> thats wat i paid for 10 of htem in samples
2014-08-14T12:50:09 < dongs> i think it was like .80 or less in trays
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2014-08-14T12:50:29 < dongs> theres a reason ST uses them on f4disco, that shit wouldnt be $20 retail if it had $5 chip on it
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2014-08-14T12:59:59 < qyx_> thats right
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2014-08-14T14:25:22 < dongs> http://www.theregister.co.uk/2014/08/14/siri_how_can_i_dispose_of_a_corpse/ haha
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2014-08-14T14:43:00 < qyx_> lol that PDR_ON thing
2014-08-14T14:43:12 < dongs> just connect to vcc, done deal
2014-08-14T14:43:20 < qyx_> no
2014-08-14T14:43:29 < jpa-> yeah, no ancient chips in circulation anymore
2014-08-14T14:43:44 < qyx_> Z revision should have it connected to VSS
2014-08-14T14:43:59 < dongs> > ancient
2014-08-14T14:44:07 < dongs> shit's all on Y now
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2014-08-14T14:44:17 < jpa-> isn't Z never than Y?
2014-08-14T14:44:20 < qyx_> i still get Z from farnell
2014-08-14T14:44:23 < jpa-> and A the old VCC stuff?
2014-08-14T14:44:26 < qyx_> yep
2014-08-14T14:44:37 < qyx_> A is the old one with VCC connected PDR_ON
2014-08-14T14:45:02 < dongs> isnt it only affecting 100lqfp
2014-08-14T14:45:09 < qyx_> it is
2014-08-14T14:45:14 < dongs> so who cares :)
2014-08-14T14:45:20 < qyx_> me for example .)
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2014-08-14T15:28:48 < superbia> i need a flight controller
2014-08-14T15:31:01 < superbia> says 0 in stock
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2014-08-14T15:37:03 < superbia> infamous hamasaki.. hmm
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2014-08-14T16:26:21 < Laurenceb_> https://www.dentalethics.org/pead/index-pead.htm
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2014-08-14T18:57:12 < qyx_> hm, could i use internal 1.2V vreg on F4 to power something else?
2014-08-14T18:58:25 < Laurenceb_> probably
2014-08-14T18:58:34 < Laurenceb_> try it :P
2014-08-14T18:59:08 < qyx_> i hate these 1.2/1.8/1.something chips :s
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2014-08-14T19:01:46 < qyx_> vddcore recommended is 0.95-1.89, i am going to feed it with 1.8 :S
2014-08-14T19:02:18 < scrts_w> qyx_: usually it's defined in the datasheet
2014-08-14T19:02:46 < scrts_w> e.g. for our automotive SPC56 series microcontroller, you can't connect external 1.2V to it or you can't use internal 1.2V to feed anything else
2014-08-14T19:03:03 < scrts_w> that's probably functional safety related and not for STM32...
2014-08-14T19:03:08 < scrts_w> but.. check it ;)
2014-08-14T19:04:14 < qyx_> you can feed 1.2V to stm32 externally to conserve some power (up to half)
2014-08-14T19:04:35 < qyx_> but i can't find anything about drawing anthing from it
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2014-08-14T19:05:26 < scrts_w> it's just an ouput or you have a transistor there?
2014-08-14T19:07:19 < qyx_> vcap1/2 pins are outputs of internal vreg, you should place decoupling caps here
2014-08-14T19:07:49 < qyx_> i am going to risk it, 1mA won't kill anything
2014-08-14T19:08:11 < scrts_w> put 0ohm in series just in case
2014-08-14T19:08:36 < qyx_> yep, and to 1.8V too
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2014-08-15T03:13:08 < dongs> hmpf
2014-08-15T03:13:15 < dongs> had trouble buying 8 trays of stm32f103 yesterday
2014-08-15T03:14:00 < emeb> thought you got a big batch on ebay?
2014-08-15T03:14:03 < zyp> heh
2014-08-15T03:14:13 < dongs> thats RB, im buying CB
2014-08-15T03:14:24 < zyp> dongs, say, is stm32l0 available from your guys yet?
2014-08-15T03:14:37 < dongs> i can check at 10, but new shit is usually not
2014-08-15T03:14:50 < zyp> I see it's available from mouser
2014-08-15T03:14:50 < dongs> is l0 the M0+ with fixed shit?
2014-08-15T03:14:55 < zyp> yeah
2014-08-15T03:14:59 < dongs> part#?
2014-08-15T03:15:09 < zyp> let me check
2014-08-15T03:15:22 < dongs> mousDERP
2014-08-15T03:15:41 < zyp> l052 and l053 both have USB
2014-08-15T03:15:59 < zyp> looks like difference is that l053 have segment lcd driver
2014-08-15T03:16:16 < dongs> sounds ike same naming scehme as L153 shit
2014-08-15T03:16:20 < dongs> 3 = lcdtrash
2014-08-15T03:16:27 < zyp> makes sense
2014-08-15T03:16:34 < dongs> STM32L052 then
2014-08-15T03:16:34 < dongs> kk
2014-08-15T03:16:56 < dongs> it comes in qfp48? or wat
2014-08-15T03:17:06 < zyp> yeah, and 64
2014-08-15T03:17:48 < zyp> might be interested in either, memory size is not important
2014-08-15T03:17:49 < dongs> oh yea
2014-08-15T03:17:54 < dongs> and your wires shit is done today
2014-08-15T03:18:13 < zyp> looks like it's only available in 32k and 64k, so I guess c6/c8/r6/r8 is what I'd be interested in
2014-08-15T03:18:31 < dongs> yesterday they ran out of fast connectors cuz the dicks who sent them measured qty by weight, so they got sent extras yesterday and they'll finish it up today
2014-08-15T03:18:57 < zyp> hmm, there's a qfp32 too, that could be nice for small simple shit
2014-08-15T03:19:08 < dongs> qfp32? tarduino style?
2014-08-15T03:19:11 < dongs> 0.65mm pitch
2014-08-15T03:19:15 < zyp> dunno
2014-08-15T03:19:24 < zyp> oh, both qfp32 and qfp48 is 7x7mm
2014-08-15T03:19:26 < zyp> no point then
2014-08-15T03:19:55 < emeb> zyp: more of your ui / controls stuff?
2014-08-15T03:20:50 < zyp> yeah, I might revise the board for next batch
2014-08-15T03:21:04 < zyp> and then I have a bunch of other shit planned
2014-08-15T03:21:48 < zyp> oh, speaking of that
2014-08-15T03:22:24 < zyp> dongs, does your part guys have cr95hf (and possibly st95hf in the future, when that gets available)?
2014-08-15T03:23:39 < zyp> mouser have both, the latter still nonstocked, but they're kinda expensive
2014-08-15T03:28:35 < dongs> NFC ic?
2014-08-15T03:29:02 < dongs> kk, queued
2014-08-15T03:30:35 < zyp> yeah, it's for the shit I started on ages ago but still haven't bothered finishing
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2014-08-15T03:51:06 < baird> http://www.ntnews.com.au/news/northern-territory/were-asking-all-the-hard-questions-about-wandering-cock-problem/story-fnk0b1zt-1227024757035
2014-08-15T03:51:44 < baird> Includes a link to the magnificent sky penis, as well.
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2014-08-15T04:45:02 < dongs> zyp: CR95HF-VMD5T is available, ST9whatever isnt, L0 isnt
2014-08-15T04:45:17 < zyp> okay, price?
2014-08-15T04:45:55 < zyp> if CR95HF is available, I expect ST95HF will be too
2014-08-15T04:47:23 < dongs> zyp: samples $3, 100+ $1.92
2014-08-15T04:47:30 < dongs> for CR95HF
2014-08-15T04:47:59 < zyp> nice, that's like half of mouser prices
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2014-08-15T04:51:48 < dongs> y
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2014-08-15T14:57:14 < timemob> chat
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2014-08-15T15:11:48 < Steffanx> No chatz todayz.
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2014-08-15T15:31:13 < madis_> IRC is shut down today in order of Gwangbokjeol.
2014-08-15T15:31:51 < madis_> *in honour of
2014-08-15T15:32:12 < jpa-> is that icelandic for a fuckfest?
2014-08-15T15:32:30 < madis_> I make these typos a lot - writing a similar sounding word instead of the one I'm thinking of
2014-08-15T15:32:37 -!- Vutral [~ss@mirbsd/special/Vutral] has quit [Ping timeout: 260 seconds]
2014-08-15T15:32:46 < madis_> I wonder if its symptomatic of a particular kind of brain damage
2014-08-15T15:34:22 < jpa-> did you learn to speak english before learning to write it?
2014-08-15T15:34:43 < madis_> doesn't everyone learn to speak before learning to write ?
2014-08-15T15:35:05 < qyx_> no, i can't speak
2014-08-15T15:35:17 < jpa-> no, not really; atleast around here already in the first year of english studies you study both speech and writing
2014-08-15T15:35:22 < PaulFertser> When you're learning a foreign language no, usually not.
2014-08-15T15:35:43 < jpa-> so spelling trouble exists mostly for native english speakers
2014-08-15T15:35:52 < jpa-> for 2nd language, more often the problem is the pronounciation
2014-08-15T15:36:10 < madis_> this isn't a spelling mistake. I was thinking "honour" but my fingers typed out "order".
2014-08-15T15:36:20 < madis_> that's why I suggested brain damage.
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2014-08-15T15:36:35 < jpa-> yes, i was just interested if you are native english or not
2014-08-15T15:36:41 < madis_> no I'm not.
2014-08-15T15:36:45 < PaulFertser> I sometimes write absolutely inappropriate homonyms even though I learnt writing first.
2014-08-15T15:36:46 < jpa-> ok
2014-08-15T15:37:34 < jpa-> PaulFertser: homonyms or homophones?
2014-08-15T15:37:43 < madis_> timemob: go see the poop and get his blessings.
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2014-08-15T15:39:40 < PaulFertser> jpa-: homophones, right.
2014-08-15T15:40:22 < jpa-> madis_: took time to figure that out, as seeing the poop was much more appropriate for timemob :P
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2014-08-15T15:43:41 < Laurenceb_> https://www.youtube.com/watch?v=TTd7azt9-FM
2014-08-15T15:44:04 < Cyric> hey guys i have a question... if i want to create usb to can converter, can i do it with STM32F103?
2014-08-15T15:44:51 < Cyric> i want something that i connect to my pc by usb and show me a sort of "COM" port
2014-08-15T15:45:03 < Cyric> like the standard FTDI chips
2014-08-15T15:46:18 < timemob> yes
2014-08-15T15:46:52 < Laurenceb_> i thought CAN and USB were shared?
2014-08-15T15:46:55 < timemob> but you can also get USB to can stuff at deal extreme for like #10
2014-08-15T15:46:58 < timemob> $10
2014-08-15T15:47:31 < Cyric> really? i havent found any IC solution that does that
2014-08-15T15:47:36 < PaulFertser> 10 bucks? what do you recommend?
2014-08-15T15:48:16 < effractur> well ftdi + can to uart
2014-08-15T15:48:38 < madis_> CAN is multi-master. How does that fit in USB ?
2014-08-15T15:51:27 < PaulFertser> 53.72€ for 8device's usb2can
2014-08-15T15:53:24 < Cyric> no... i need to integrate it into a larger system
2014-08-15T15:53:46 < Cyric> so i need an embedded solution that i can reproduce on a PCB
2014-08-15T15:54:52 < PaulFertser> On the USB side I recommend using some popular enough protocol so you would be able to use e.g. upstream drivers for 8devices while debugging.
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2014-08-15T15:56:30 < Cyric> but i see there that they have the schematic...
2014-08-15T15:56:47 < Cyric> if they pubblish the schematic, can i reuse it? :D
2014-08-15T15:57:10 < Cyric> is that a sort of open source project?
2014-08-15T15:57:30 < qyx_> No, you can't
2014-08-15T15:57:38 < Cyric> because if i take the schematic and flash their firmware on it than i have what i need!
2014-08-15T15:57:40 < qyx_> USB and CAN has shared some components and pins on 103
2014-08-15T15:58:11 < madis_> it appears to be open source
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2014-08-15T16:00:48 < Cyric> ok..what is the correct way for reusing part of their code?
2014-08-15T16:01:07 < Cyric> should i sent them an email and ask permission to reuse part of it?
2014-08-15T16:05:18 < madis_> I misread. they are using an opensource dll on windows.
2014-08-15T16:05:30 < madis_> not sure why they've got the firmware up for download though.
2014-08-15T16:05:42 < madis_> and the schematic.
2014-08-15T16:05:46 < madis_> weird.
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2014-08-15T16:23:16 < Steffanx> Is your umesh ready for release yet qyx_? Your website has a download section, but no actual download :(
2014-08-15T16:23:32 < Steffanx> It looks pretty advanced and im curious how you implemented all this.
2014-08-15T16:24:55 < qyx_> it's not ready to be shown to the world yet :X
2014-08-15T16:25:06 < Steffanx> ah, too bad.
2014-08-15T16:25:38 < qyx_> it's 5K lines of mess excluding third party sources
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2014-08-15T16:35:27 < qyx_> basically radio drivers are done, interface abstraction too, layer2 protocol too (except channel access method), key exchange & auth too (except hierarchical CA-chain auth)
2014-08-15T16:36:01 < qyx_> and routing too, but there are some optimizations i would like to implement.. also constraint based routing is not implemented yet
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2014-08-15T16:37:01 < qyx_> now i am being stuck in a research of some suitable distributed time slot allocation algo
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2014-08-15T17:21:12 < dongs> wow what teh fuck
2014-08-15T17:21:23 < dongs> some chinaman did a copper pour.... out of individual traces http://i.imgur.com/zJQiPmJ.png
2014-08-15T17:22:00 < dongs> why would anyone waste time on that shit
2014-08-15T17:23:30 < qyx_> looks good
2014-08-15T17:23:57 < dongs> yeah, very good
2014-08-15T17:23:59 < dongs> also very dumb
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2014-08-15T17:36:06 < Laurenceb_> sure its not a flooding process?
2014-08-15T17:36:31 < dongs> very
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2014-08-15T17:44:46 < Steffanx> When you're paid by hour this IS the best way to do it dongs.
2014-08-15T17:44:54 < Steffanx> *per
2014-08-15T17:45:19 < Laurenceb_> http://tech.slashdot.org/story/14/08/15/1323210/web-trolls-winning-as-incivility-increases
2014-08-15T17:45:33 < Steffanx> tl;dr
2014-08-15T17:45:40 < Laurenceb_> " the dismal judgment of the handful of scholars who study the broad category of online incivility known as trolling"
2014-08-15T17:45:43 < Laurenceb_> i lolled
2014-08-15T17:45:54 < Laurenceb_> prof of trolling
2014-08-15T17:53:03 < dongs> you'd be a master of that
2014-08-15T17:53:05 < dongs> bedtime
2014-08-15T17:53:44 < Steffanx> and you his master dongs?
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2014-08-15T18:27:07 < Sync_> oh lel wat dongs
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--- Day changed Sat Aug 16 2014
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2014-08-16T00:01:16 < gxti> maybe it was imported from gerbers?
2014-08-16T00:01:27 < gxti> that's what fills look like once they've been barfed out
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2014-08-16T03:06:34 < upgrdman> if you're writing a lib, let's say for the f4 and f0, you might use #ifdef's to only include the code for the right architecture. maybe #define STM32F0 or #define STM32F4... is there any way to force an error if both or neither of those are defined?
2014-08-16T03:07:22 < qyx_> #if .... #error
2014-08-16T03:07:35 < upgrdman> oh, didn't know about #error. thanks.
2014-08-16T03:07:49 < dongs> sup dongs
2014-08-16T03:08:22 < dongs> #if defined(FGT) #elsif defined(FGT2) #else #error you need to define something, FGT
2014-08-16T03:08:39 < upgrdman> nice
2014-08-16T03:09:01 < dongs> actually #elif
2014-08-16T03:09:08 < upgrdman> how would you error on both FGT and FGT2 defined at the same time?
2014-08-16T03:09:09 < dongs> shitty gnu preprocessor spelling
2014-08-16T03:09:15 < dongs> you dont, but it'll error out anyway
2014-08-16T03:09:18 < dongs> because ytou'll have multiple defines
2014-08-16T03:09:19 < dongs> of same shit
2014-08-16T03:09:36 < upgrdman> oh ok
2014-08-16T03:09:50 < dongs> just do something like
2014-08-16T03:10:00 < dongs> #define PLATFORM FGT or somethign
2014-08-16T03:10:03 < dongs> FGT2 and such
2014-08-16T03:10:06 < dongs> and if you define both
2014-08-16T03:10:10 < dongs> it'll error out wiht duplicate define
2014-08-16T03:10:17 < upgrdman> excellent
2014-08-16T03:10:35 < dongs> which should be enough for a newb to read the .h or whatever and notice hes dumb as shit
2014-08-16T03:10:43 < upgrdman> lol
2014-08-16T03:11:08 < qyx_> upgrdman: #if defined(fgt) && defined(fgt2)
2014-08-16T03:11:14 < qyx_> should do
2014-08-16T03:11:21 < upgrdman> k
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2014-08-16T04:18:23 < dongs> thast too
2014-08-16T04:18:26 < dongs> but it gets ugly to maintain
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2014-08-16T05:00:24 < dongs> ugh
2014-08-16T05:00:38 < emeb_mac> ?
2014-08-16T05:00:48 < dongs> i cant decide how to name parts, half my crap is RES0402 another RES 0402 some RES >value< 0402
2014-08-16T05:00:54 < dongs> makes for annoying editing before proper BOM is out
2014-08-16T05:01:10 < dongs> need to stop copypasting from fail designs :D
2014-08-16T05:01:17 < emeb_mac> consistency is the hobgoblin of little minds
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2014-08-16T05:17:37 < upgrdman> anyone know how the myDac compares to the analogDiscover?
2014-08-16T05:17:45 < upgrdman> *analogDiscovery
2014-08-16T05:18:08 < upgrdman> sometimes im too lazy to walk over to my scope :( wouldn't mind a cheap usb jack-of-all-trades
2014-08-16T05:24:47 < dongs> analog discuntvery
2014-08-16T05:24:51 < dongs> what is it
2014-08-16T05:25:04 < dongs> isnt that just a USBEEDX clone?
2014-08-16T05:25:10 < upgrdman> http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,842,1018&Prod=ANALOG-DISCOVERY&CFID=5858748&CFTOKEN=b01d39da1d3f0c9-9DF292CF-5056-0201-026C0641E01DA8E0
2014-08-16T05:26:00 < dongs> no idea whats mydac is
2014-08-16T05:26:13 < dongs> if you can get that analog discuntshit at $100 by being a usa student i guess its ok
2014-08-16T05:26:46 < upgrdman> http://www.ni.com/mydaq/ ... shit. lol. FAIL
2014-08-16T05:26:56 < upgrdman> ya i qualify for $100
2014-08-16T05:26:59 < dongs> Lo sentimos, por el momento ni.com está fuera de servicio por mantenimiento.
2014-08-16T05:30:11 < dongs> upgrdman: looks pretty damn pro for 100bux
2014-08-16T05:30:31 < upgrdman> ya
2014-08-16T05:30:50 < upgrdman> and theres even a cheap BNC board for using real probes
2014-08-16T05:31:38 < upgrdman> i wish their logAnal'er did more than 16k sample depth :(
2014-08-16T05:32:01 < dongs> its not opensauce?
2014-08-16T05:32:21 < dongs> 16k is probly just due to using blockram on fpga
2014-08-16T05:32:23 < dongs> for buffers
2014-08-16T05:32:24 < upgrdman> iirc they released APIs but their software is XP+ only. no mac or linux
2014-08-16T05:33:36 < dongs> Students & Educators: This suite can be bundled with our Analog Discovery, Electronics Explorer, Basys2, Nexys2, Nexys3, or Nexys4 FPGA boards for only $9.95!
2014-08-16T05:33:39 < dongs> wow
2014-08-16T05:33:42 < dongs> what a deal
2014-08-16T05:33:42 < dongs> lo
2014-08-16T05:35:28 < upgrdman> what suite?
2014-08-16T05:35:35 < dongs> NI Multisim & NI Ultiboard (NI Circuit Design Suite)
2014-08-16T05:35:40 < dongs> schematic/layout shiz
2014-08-16T05:35:47 < dongs> 'i remember it was mega expensive
2014-08-16T05:35:56 < dongs> its kinda ok, still better than eagle lolz
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2014-08-16T06:26:39 < upgrdman> lolwut   http://i.imgur.com/nnG5Nrl.jpg
2014-08-16T06:29:52 < emeb_mac> for those really tough citrus juicing jobs
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2014-08-16T06:49:35 < baird> A Bloody Mary? No, those use tomatos..
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2014-08-16T06:49:51 < gnomad> I'll see you and raise: http://media.houseofgord.com/previews/0656/MA-022-004_large.jpg
2014-08-16T06:50:25 < gnomad> (nsfw)
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2014-08-16T06:54:19  * emeb_mac is not clicking
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2014-08-16T08:16:22 < dongs> not nsfw , just retarded
2014-08-16T08:20:26 < dongs>  LRH IS NOW LIVE! https://www.youtube.com/watch?v=FlzyByI9nrk THIS WEEK: THE SHOW MUST GO ON: LIVE FROM NOISEBRIDGE! the real
2014-08-16T08:20:29 < dongs>        call in # is (415) 349-5666  the call in numbers for craigslist are 858-666-1861 , 631-403-5033 and 844-221-5033
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2014-08-16T08:29:15 < upgrdman> wtf is lrh?
2014-08-16T08:38:04 < emeb_mac> meanwhile in best korea... http://www.nbcnews.com/news/world/kim-jong-un-amused-lubricant-north-korea-factory-n174051
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2014-08-16T09:17:38 -!- claude is now known as Claude
2014-08-16T09:19:42 < baird> blogging my blog: https://www.flickr.com/photos/chris_j_b/sets/72157646095962767/
2014-08-16T09:23:33 < jef79m> I was going to go to that today, but the weather looked shitty. was it any good?
2014-08-16T09:24:08 -!- Claude is now known as claude
2014-08-16T09:25:47 < baird> Not bad-- I met /fucking Sam Mitchell!/ .. Seriously, they should've had the guy as a Guest-of-Honour, but no, he's just there as an anon exhibitor for UNSW..
2014-08-16T09:26:07 < dongs> k time to run dicknplace for a bit
2014-08-16T09:26:20 < baird> I actually only spent about a half-day there.
2014-08-16T09:27:37 < jef79m> i might go check it out tomorrow
2014-08-16T09:27:48 < jef79m> if its nt raining
2014-08-16T09:28:19 < baird> Could be a bit of a problem with everyone's electric vehicles. :P
2014-08-16T09:30:01 < baird> (Sam Mitchel: the first guy to ride completely around Australia on a solar-powered bicycle (well, recumbent trike) that wasn't some bullshit publicity stunt. He built everything himself, at 18.)
2014-08-16T09:30:58 < jef79m> tried googling him, all i got was some football player.
2014-08-16T09:31:14 < baird> Add "solar" to the search
2014-08-16T09:32:55 < jef79m> fuck, he can build a solar trike but can't spell.
2014-08-16T09:33:16 < jef79m> cool blog though.
2014-08-16T09:37:00 < ossifrage> is it common for thumb instructions (cortex-m0) not to be 16 bit aligned?
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2014-08-16T11:01:22 < jadew> so I found a silly bug in the gcc compiler, where do I report that?
2014-08-16T11:03:30 < jadew> it "optimizes" initialization away from inline asm statements
2014-08-16T11:06:45 < fbs> gcc mailing list
2014-08-16T11:06:58 < jadew> the main gcc one?
2014-08-16T11:12:43 < jpa-> jadew: pastebin the statement
2014-08-16T11:12:52 < jpa-> maybe you just have clobber list wrong or something
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2014-08-16T11:17:18 < jadew> jpa-: http://pastebin.com/MvnL1rna
2014-08-16T11:17:47 < jadew> it gets optimized so while loop jumps before the initialization of the asm statement
2014-08-16T11:18:02 < jadew> resulting in an infinite loop
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2014-08-16T11:21:41 < jadew> well, there was an infinite loop thing going on there, with the current snippet I can only make it do the overflow thing
2014-08-16T11:23:03 < jadew> http://pastebin.com/Hb1Xf8H5
2014-08-16T11:23:31 < jadew> I made it so it initializes the counter with 1 (that's line 12 in the pastebin)
2014-08-16T11:24:59 < jadew> now the bcs on line 16, will jump to line 13, instead of line 12, where the initialization happens
2014-08-16T11:25:37 < jadew> basically taking the counter to 0xffffffff and then counting down until the dawn
2014-08-16T11:26:33 < jadew> with out optimization it jumps properly
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2014-08-16T11:42:08 < jpa-> jadew: you are saying "r" to that register, meaning that you only read from it
2014-08-16T11:42:12 < jpa-> but you are writing to it
2014-08-16T11:42:16 < jpa-> so make it "rw"
2014-08-16T11:43:00 < jadew> jpa-, ah! I was under the impression that that's only important for push/pop and passing the value back to the variable
2014-08-16T11:43:18 < jpa-> no, gcc uses it a lot for optimization also
2014-08-16T11:43:41 < jadew> yeah, makes sense now
2014-08-16T11:43:45 < jpa-> i've been bitten by that many times.. especially when passing pointers in registers, you need to add clobber "memory"
2014-08-16T11:44:01 < jadew> thanks
2014-08-16T11:44:19 < jadew> waht do you mean? you have to specify that it's a memory pointer?
2014-08-16T11:44:53 < jadew> you can't just pass its address?
2014-08-16T11:45:02 < jpa-> https://github.com/PetteriAimonen/nanopb-benchmark/commit/602f6fbc5782448020e7f5a5a90a982f687766e6   for example here
2014-08-16T11:45:36 < jpa-> before i had that "memory" there, it would optimize away the array initialization
2014-08-16T11:45:49 < jpa-> because it thought i was only interested in the value of the pointer, not the other stuff in memory
2014-08-16T11:46:13 < jadew> hah, interesting
2014-08-16T11:46:28 < jpa-> (the "static" was a workaround for that before zyp found out the real cause :)
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2014-08-16T11:55:01 < jadew> I wish this discovery board had the option to use an external clock with out taking out current crystal
2014-08-16T11:55:23 < jpa-> hmm, VL discovery had the crystal on a socket
2014-08-16T11:55:34 < jadew> this one is soldered
2014-08-16T11:56:02 < jpa-> probably 5 cent cheaper
2014-08-16T11:56:07 < jadew> heh
2014-08-16T11:56:58 < jadew> I guess I can take out some resistors and then fill two solder bridges
2014-08-16T11:57:03 < jadew> I think that's what they had in mind
2014-08-16T11:57:46 < jadew> got any better ideas for measuring if the number of clock ticks matches what you're expecting?
2014-08-16T11:58:00 < jadew> (I'm trying to feed a better clock in and measure the pulse width with a frequency counter)
2014-08-16T11:59:08 < jpa-> umm what are you really trying to do?
2014-08-16T11:59:17 < jadew> a perfect 1ms delay :P
2014-08-16T11:59:20 < jpa-> use a timer
2014-08-16T11:59:21 < jadew> well, any number of ms
2014-08-16T11:59:24 < jadew> with out a timer
2014-08-16T11:59:27 < jpa-> use a timer
2014-08-16T11:59:34 < jadew> it won't be as accurate
2014-08-16T11:59:38 < jpa-> it will
2014-08-16T11:59:59 < jpa-> flash prefetch, wait states, interrupts, dma access etc. will ruin your delay loop accuracy
2014-08-16T12:00:30 < jpa-> besides, if you e.g. want to toggle an IO pin at a specific moment, use a timer output
2014-08-16T12:01:01 < jadew> no, I'm using the pin just to measure this, the issue with the interrupt is that you have to poll it anyway
2014-08-16T12:01:16 < jpa-> delay loops on cortex-m are silly and stupid (they are okish for very short delays or during early boot)
2014-08-16T12:01:27 < jadew> which introduces a completely unpredictable delay
2014-08-16T12:01:37 < jpa-> jadew: what are you really trying to do?
2014-08-16T12:01:38 < jadew> because checking if the flag is set takes several cycles
2014-08-16T12:01:56 < jpa-> i.e. what will you do with your "perfect" 1 ms delay
2014-08-16T12:02:10 < jadew> jpa-, well, not much really
2014-08-16T12:02:14 < jadew> but I want to have it
2014-08-16T12:02:23 < jpa-> eh
2014-08-16T12:02:37 < jadew> since I started making it, I'd rather have it perfect
2014-08-16T12:03:31 < jpa-> forget it, cortex-m is complex enough processor that cycle-counting is not perfect
2014-08-16T12:03:50 < jpa-> it will have one value at some alignment, and then your linker rearranges it and timing changes
2014-08-16T12:03:53 < dongs> actually it is deterministic, as long as you don't involve interrupts
2014-08-16T12:04:15 < dongs> but doing perfect 1ms delay without say, timer hw is dumb
2014-08-16T12:04:27 < jadew> as I was saying
2014-08-16T12:04:36 < jadew> you can't do perfect 1ms WITH hw timer
2014-08-16T12:04:44 < jadew> not with out interrupts
2014-08-16T12:04:51 < jadew> well, not with out handling it in an interrupt
2014-08-16T12:05:00 < jadew> which is not what you usually need
2014-08-16T12:05:03 < jpa-> the loop over the timer flag is as perfect as it will ever get
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2014-08-16T12:05:19 < jpa-> even your counter loop has similar granularity
2014-08-16T12:05:20 < jadew> jpa-, yes, except it's not 1 cycle
2014-08-16T12:05:24 < jpa-> nor is your loop
2014-08-16T12:05:34 < jadew> but I know when my loop starts
2014-08-16T12:05:44 < jpa-> and the next instruction after your delay is still going to have unpredictable delay, especially if it is a branch/return
2014-08-16T12:05:45 < jadew> and when it ends
2014-08-16T12:06:04 < jadew> the timer can stop 1 cycle in the flag checking thingie
2014-08-16T12:06:10 < jadew> can stop 2 cycles in, 3 cycles in, etc
2014-08-16T12:06:22 < jpa-> it will be deterministic also
2014-08-16T12:06:29 < jpa-> because they run from the same clock source
2014-08-16T12:06:50 < jadew> it will be a lot more complex
2014-08-16T12:06:53 < jadew> to get it right
2014-08-16T12:06:57 < jadew> because you'll need conditions
2014-08-16T12:07:03 < jadew> if time % 3 do that
2014-08-16T12:07:07 < jadew> if time % 2 do that
2014-08-16T12:07:14 < jadew> take conditions into account, etc
2014-08-16T12:07:20 < jpa-> the "right" way is just to consider the 1-3 cycles inaccuracy normal
2014-08-16T12:07:22 < jadew> no, timers are not better than barebone loop
2014-08-16T12:07:39 < jpa-> jadew: how do you handle differences in timing due to flash alignment in your loop?
2014-08-16T12:07:47 < jadew> jpa-, of course and in that case you can use a timer or any other method
2014-08-16T12:08:07 < jpa-> jadew: you haven't told us why you need it perfectly accurate, and i suspect you don't have any real reason
2014-08-16T12:08:14 < jadew> jpa-, I don't know yet
2014-08-16T12:08:20 < jadew> yeah, I don't
2014-08-16T12:08:26 < jpa-> and if you had a real reason, there would be better ways to do it completely in HW
2014-08-16T12:08:46 < jpa-> for example, timer triggering DMA is a common way to do accurate bitbang operations
2014-08-16T12:09:46 < jadew> can you control the GPIO via DMA?
2014-08-16T12:09:49 < jpa-> sure
2014-08-16T12:09:52 < dongs> of course
2014-08-16T12:10:00 < jadew> holly smokes, how?
2014-08-16T12:10:01 < jpa-> though dma is not 0-cycle accurate either, if your cpu is doing memory access
2014-08-16T12:10:10 < jpa-> jadew: just make the dma write to the gpio register
2014-08-16T12:10:33 < jadew> that's awesome, can it do reads too?
2014-08-16T12:10:37 < jpa-> of course
2014-08-16T12:10:42 < jadew> damn, that's great
2014-08-16T12:11:08 < dongs> you can do a ghetto logic analyzer / waveform generator this way
2014-08-16T12:11:24 < jadew> neat
2014-08-16T12:11:43 < jpa-> been there done that it sucked :P
2014-08-16T12:12:42 < jadew> I'll have to look into it, sounds nice
2014-08-16T12:12:53 < jadew> wonder how I missed it
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2014-08-16T12:57:41 < dongs> ah nice
2014-08-16T12:57:44 < dongs> packed dixels is diyng
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2014-08-16T13:41:23 < jadew> jpa-, you were right, it's pretty unreliable
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2014-08-16T13:56:33 < jadew> ffs... the datasheets are full of inconsistencies
2014-08-16T13:56:53 < jadew> CK_INT - no mention on how its generated
2014-08-16T13:57:37 < jadew> CK_TIM18 - only mentioned as a source for something that seems to be CK_INT, but it's only mentioned ONCE
2014-08-16T13:57:46 < jadew> no mention of the source for that clock
2014-08-16T13:58:03 < upgrdman> check clock tree in RM
2014-08-16T13:58:16 < jadew> upgrdman, I did, it's not there
2014-08-16T13:58:25 < upgrdman> CK_TIM18 might just be their name for the timer clock from the tree
2014-08-16T13:58:50 < jadew> now... given that the APB2 can go up to 84 MHz max, and the clock source for the freaking timers is unclear, how can a timer work at 168?
2014-08-16T13:59:07 < upgrdman> guess theres a x2 somewhere in the tree
2014-08-16T13:59:26 < jadew> that's what I thought, but I can't locate it
2014-08-16T13:59:35 < upgrdman> fwhat? f4?
2014-08-16T13:59:49 < jadew> yeah
2014-08-16T14:00:13 < upgrdman> notice the "else x2"
2014-08-16T14:00:14 < upgrdman> http://www.farrellf.com/projects/hardware/2012-08-11_STM32F4_Basics:_Timers_(Part_1)/clock_tree.png
2014-08-16T14:00:39 < jadew> I'll be damned
2014-08-16T14:00:42 < jadew> thanks
2014-08-16T14:00:57 < upgrdman> sure
2014-08-16T14:01:11 < upgrdman> my super shitty notes: http://www.farrellf.com/projects/hardware/2012-08-11_STM32F4_Basics:_Timers_(Part_1)/
2014-08-16T14:01:14 < jadew> I looked over that tree several times looking for something related to the timers
2014-08-16T14:02:19 < jadew> they're good
2014-08-16T14:02:20 < upgrdman> i do that shit all of the time... glance over the vitally important bit of info.
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2014-08-16T14:04:20 < jadew> can't believe I spent all morning trying to get delay() to work
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2014-08-16T14:28:18 < dongs> thats because you love to waste time
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2014-08-16T14:49:02 < jadew> I was hoping I'd get a proper delay
2014-08-16T14:51:12 < jadew> would have been nice if the core did that by default
2014-08-16T14:52:01 < jadew> aven a loop instruction, like on the intel CPUs would have solved this
2014-08-16T14:57:46 < dongs> https://www.kickstarter.com/projects/funknug/funknug-tcc-13-amps these guys arent making it
2014-08-16T14:58:09 < jadew> I remember reading a brochure for a MCU and it said "fully deterministic timing" or something along those lines - it sounded a bit strange at the time, but now I know where they were hitting
2014-08-16T14:59:11 < dongs> jadew: cortex-m is deterministic
2014-08-16T14:59:15 < zyp> jadew, don't be dumb
2014-08-16T14:59:51 < zyp> dongs, is it really? I thought the pipelining made the timing nondeterministic, based on pipeline state
2014-08-16T15:00:02 < zyp> and then you have the ART caches and shit
2014-08-16T15:00:05 < dongs> zyp, according to arm.com M3 is
2014-08-16T15:00:13 < zyp> and wait states from bus contention and shit
2014-08-16T15:00:31 < zyp> so instruction timing is pretty useless
2014-08-16T15:00:41 < zyp> and pointless, considering all the timers you have
2014-08-16T15:00:59 < qyx_> is deterministic a proper word here? it is determined by many things
2014-08-16T15:01:12 < jadew> zyp, precisely my point
2014-08-16T15:01:25 < zyp> jadew, which?
2014-08-16T15:01:28 < dongs> jadew: you don't have a point
2014-08-16T15:01:32 < dongs> you're just wasting time :)
2014-08-16T15:01:35 < qyx_> jadew: no, because you hate timers
2014-08-16T15:01:42 < dongs> (pun intended)
2014-08-16T15:01:52 < jadew> heh
2014-08-16T15:01:57 < zyp> jadew, my point is that you're going about it the wrong way
2014-08-16T15:02:12 < zyp> so if that's precisely your point too, maybe you should reconsider how you go about stuff
2014-08-16T15:02:20 < dongs> The ARM® Cortex®-M3 processor is the industry-leading 32-bit processor for highly deterministic real-time applications, specifically developed to enable partners to develop high-performance low-cost platforms for a broad range of devices including microcontrollers, automotive body systems, industrial control systems and wireless networking and sensors.
2014-08-16T15:02:21 < jadew> dongs, point was that it's not possible to do determine the ammount of time in which something executes
2014-08-16T15:02:26 < jadew> zyp, yeah, I know that now
2014-08-16T15:02:29 < dongs> jadew: it is
2014-08-16T15:02:46 < jadew> dongs, well, I had very little success with that
2014-08-16T15:02:48 < dongs> jadew: you can breakpoint at start, check cycle counter, breakpoint at end, check cycle counter
2014-08-16T15:02:51 < dongs> it will always be samea
2014-08-16T15:02:58 < dongs> and you will know exactly how long that section took to exexcute
2014-08-16T15:03:01 < zyp> dongs, highly deterministic real-time applications != fully deterministic instruction timing
2014-08-16T15:03:40 < dongs> zyp: sounds like you need xmos
2014-08-16T15:03:45 < zyp> :p
2014-08-16T15:03:58 < dongs> get your openvizsla yet?
2014-08-16T15:04:21 < madist> does any mcu/cpu have deterministic instruction execution time ?
2014-08-16T15:04:24 < zyp> dunno, I'm not home
2014-08-16T15:04:32 < jadew> madist, plenty
2014-08-16T15:04:38 < zyp> madist, any cpu without pipelining and cache
2014-08-16T15:04:52 < madist> 8051 ?
2014-08-16T15:04:53 < dongs> tarduino?
2014-08-16T15:05:09 < jadew> avrs are deterministic, yes
2014-08-16T15:05:28 < dongs> https://www.kickstarter.com/projects/520034819/lets-make-a-supercomputer?ref=category
2014-08-16T15:06:02 < jadew> lol
2014-08-16T15:06:19 < zyp> heh
2014-08-16T15:06:32 < jadew> at first I thought he raised 11k and I was thinking, damn... so many stupid people
2014-08-16T15:06:55 < dongs> https://www.kickstarter.com/projects/95880921/global-email-postal-service?ref=category thats cute
2014-08-16T15:07:07 < dongs> except I think every country postal service actually HAS this kinda service. at ieast I know japan does.
2014-08-16T15:07:27 < zyp> how was the math on that, one single intel i7 is as fast as a couple hundred rpis?
2014-08-16T15:07:52 < zyp> I'd rather want the opposite thing
2014-08-16T15:08:08 < zyp> a service that scans paper letters to me and mails them to me
2014-08-16T15:08:13 < dongs> ;d
2014-08-16T15:08:14 < jadew> haha
2014-08-16T15:09:30 < zyp> I mostly get everything on mail anyway, but there's some other bullshit once in a while
2014-08-16T15:09:35 < dongs> https://www.kickstarter.com/projects/1787797382/stop-safe-vehicle-for-medical-loss-of-consciousnes
2014-08-16T15:09:52 < dongs> dickstarter doesnt even bother spellchecking some of these projects
2014-08-16T15:09:53 < dongs> My daughter has epilepsy and is not aloud to drive for fear of having a seizure and loosing control of the vehicle.  This has had a major impact on her life.  She's a great driver and a free spirit.
2014-08-16T15:09:59 < dongs> spot the fails in just this one sentence!
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2014-08-16T15:11:01 < jadew> tbh, the idea is not bad, but it's something that can just be built
2014-08-16T15:11:37 < jadew> with $200
2014-08-16T15:12:34 < jadew> except for the part where it stops by itself
2014-08-16T15:12:39 < jadew> safely
2014-08-16T15:12:53 < dongs> https://www.kickstarter.com/projects/recruiterpoet/ducky-diapers wtfffffffffff
2014-08-16T15:15:09 < jadew> that one's a winner
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2014-08-16T15:21:03 < Steffanx> and then the vaporware kickstarter project gets suspended..
2014-08-16T15:21:19 < dongs> trollpen?
2014-08-16T15:21:28 < Steffanx> no, vaporware :)
2014-08-16T15:21:37 < dongs> link
2014-08-16T15:21:42 < Steffanx> fail to find it
2014-08-16T15:22:24 < Steffanx> https://www.kickstarter.com/projects/1668001271/vaporware-10
2014-08-16T15:22:46 < dongs> ahaha
2014-08-16T15:25:53 < zyp> aww
2014-08-16T15:42:01 < dongs> attn Laurenceb_ https://www.kickstarter.com/projects/28037678/high-altitude-balloon
2014-08-16T15:42:13 < dongs> We have already a lot of experience with Arduino, programming and electronics, but now we want to reach the ultimate goal.
2014-08-16T15:42:17 < dongs> The final solution
2014-08-16T15:47:42 < Steffanx> oh no.. dutchies
2014-08-16T15:49:11 < baird> One of the bikes at the EVFest today had a Tarduino on it. I pointed and laughed.
2014-08-16T15:49:50 < Steffanx> Did you make a selfie?
2014-08-16T15:50:02 -!- superbia1 is now known as superbai
2014-08-16T15:50:07 -!- superbai is now known as superbia
2014-08-16T15:50:18 < baird> I hit 88mph instead: https://www.flickr.com/photos/chris_j_b/14929365911/
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2014-08-16T15:54:01 < baird> It belongs to a mate of mine from high-school..
2014-08-16T16:00:18 < baird> I also found a local dealer of 'Goal Zero' panels. They're good shit... but not with when sold at 3 times the RRP. :/
2014-08-16T16:03:33 < baird> Typical Attlasian employee thinking a WeBsToRe means MoNiEs..
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2014-08-16T17:35:18 < jpa-> zyp, dongs, jadew: i think cortex-m is deterministic in the sense that a "binary once compiled will always execute in the same way"; but it is not deterministic in the sense that "a function once written will always execute in the same way"
2014-08-16T17:42:03 < dongs> http://www.azfamily.com/home/200K-worth-of-Legos-found-during-theft-investigation-271463821.html
2014-08-16T17:42:06 < dongs> haha
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2014-08-16T17:45:09 < zyp> jpa-, given the same inputs at the same time
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2014-08-16T17:48:31 < jpa-> hmm maybe
2014-08-16T17:48:48 < jpa-> though i'm not sure cortex-m3 pipeline acts so much over branches
2014-08-16T17:50:01 < zyp> maybe not, but you'll still have wait states due to bus contention, that may come from interaction with hardware triggered dma transfers, and so on
2014-08-16T17:50:52 < zyp> there's lots of stuff that can cause variances in timing
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2014-08-16T18:22:58 < madist> what parts, beaky ?
2014-08-16T18:23:27 < Steffanx> phy, fets, coils.. ethernet controlled smps you know..
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2014-08-16T18:25:48 < Steffanx> i think that board is AWESOME.
2014-08-16T18:27:15 < Steffanx> he's your little brother?
2014-08-16T18:27:32 < madist> I wish!
2014-08-16T18:27:53 < BrainDamage> what is an unknown but good characteristic of beaky?
2014-08-16T18:28:21 < Steffanx> He seems to be friendly and patient.. isnt that good? :P
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2014-08-16T19:28:27 < jpa-> zyp: yeah.. maybe it only refers to the deterministic interrupt latency (which is, actually, constant IIRC)
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2014-08-16T21:10:14 < superbia> got ms team foundation server..
2014-08-16T21:12:18 < qyx_> 2012 i assume
2014-08-16T21:22:46 < qyx_> http://sk.farnell.com/tdk/mlz2012a2r2wt/inductor-shielded-2-2uh-20/dp/2215643
2014-08-16T21:22:59 < qyx_> is it possible to abuse this for buck smps operating at 2MHz?
2014-08-16T21:37:23 < jpa-> why "abuse"?
2014-08-16T21:37:46 < jpa-> should work as long as your current is less than 500mA or so
2014-08-16T21:45:03 < qyx_> it seems that it is specifically made for decoupling.. but, inductor is just inductor
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2014-08-17T00:10:31 < gxti> actually more like 200ma, and that's peak not average
2014-08-17T00:11:01 < gxti> saturation current
2014-08-17T00:13:52 < qyx_> maybe even less, 650mA is rated current for 20% temp rise
2014-08-17T00:14:05 < qyx_> 210mA is rated current for 50% inductance
2014-08-17T00:14:10 < qyx_> and that's even worse
2014-08-17T00:14:32 < gxti> right, peak switching current must not exceed saturation rating
2014-08-17T00:15:03 < gxti> not sure if 50% is standard for that
2014-08-17T00:15:56 < qyx_> inductance starts to fall behing 90mA according to datasheet :S
2014-08-17T00:16:55 < qyx_> but that should be enough, i need about 50mA @ 1.8V from one cell li-po
2014-08-17T00:20:23 < gxti> sure, and it's shielded (somehow) so that's nice too
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2014-08-17T01:20:24 < jadew> that's interesting, are they shielding the magnetic field?
2014-08-17T01:22:19 < jadew> I was under the impression that the energy "bucket" of an inductor has a fairly big radius around it
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2014-08-17T01:46:26 < gxti> that's why you shield them.
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2014-08-17T02:13:14 < jadew> gxti, yeah, but shielding it so close, wouldn't that reduce its capacity?
2014-08-17T02:13:33 < jadew> on a different topic: how do I enable interrupts?
2014-08-17T02:14:22 < jadew> I suppose it's a combination of __enable_irq() + enable the needed interrupt
2014-08-17T02:14:33 < jadew> but I can't find out how to enable the needed interrupt
2014-08-17T02:16:17 < jadew> NVIC_EnableIRQ()? if so.. how do I know what number to put in there? is there a defines list somewhere with the interrupt vector index for each interrupt?
2014-08-17T02:20:39 < jadew> well, that didn't do the trick
2014-08-17T02:23:14 < CoolBear> jadew: This is how I do it(do note that I'm a total beginner at this): http://pastebin.com/N0Wgn18z
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2014-08-17T02:26:11 < jadew> thanks
2014-08-17T02:30:53 < jadew> problem is I can't find that function (NVIC_Init)
2014-08-17T02:31:08 < jadew> and I found very little info on the NVIC registers in the reference manual
2014-08-17T02:31:12 < jadew> (none)
2014-08-17T02:31:41 < CoolBear> NVIC_Init is is misc.h
2014-08-17T02:32:41 < jadew> alright, found it
2014-08-17T02:32:42 < jadew> thank you
2014-08-17T02:33:08 < CoolBear> No problem, I was tearing my hair out myself ;)
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2014-08-17T02:50:57 < jadew> lol... this priority grouping scheme is insane
2014-08-17T02:51:07 < jadew> it's like they couldn't spare 4 bits...
2014-08-17T02:51:27 < jadew> so they decided to create this weird ass scheme of setting interrupt priority
2014-08-17T02:54:45 < zyp> huh?
2014-08-17T02:54:54 < zyp> weird how?
2014-08-17T02:54:55 < jadew> zyp, correct me if I'm wrong
2014-08-17T02:55:15 < zyp> you're wrong
2014-08-17T02:55:17 < jadew> but priority grouping basically tells the core how many bits to use for preemptive priority and how many for the subpriority
2014-08-17T02:55:27 < zyp> that is correct
2014-08-17T02:55:33 < jadew> now that's screwed up
2014-08-17T02:55:38 < zyp> no, it's not
2014-08-17T02:55:42 < jadew> they could have simply used two registers and be done with it
2014-08-17T02:55:50 < zyp> two registers?
2014-08-17T02:56:00 < jadew> yes, internally
2014-08-17T02:56:22 < jadew> they could map it to a single exposed register tho, with a fixed number of bits for each thing
2014-08-17T02:56:40 < jadew> instead they decided to make it super confusing
2014-08-17T02:57:08 < zyp> isn't that like what they've done, except the number of bits is not fixed?
2014-08-17T02:57:31 < jadew> zyp, well that's the issue, the number of points is not fixed so it leaves room for a lot of questions
2014-08-17T02:57:47 < zyp> points?
2014-08-17T02:57:56 < jadew> bits
2014-08-17T02:58:32 < zyp> it leaves room for a lot of flexibility, IMO
2014-08-17T02:59:07 < jadew> no, it's stupid
2014-08-17T02:59:23 < zyp> can you tell me what you find confusing?
2014-08-17T02:59:24 < jadew> they could have used the same number of bits for both things and be done with it
2014-08-17T02:59:39 < jadew> zyp, the way it works
2014-08-17T02:59:44 < jadew> for example
2014-08-17T03:00:16 < zyp> oh, that's easy
2014-08-17T03:00:20 < jadew> do interrupts from different priority groups get to race eachother based on the preemptive priority, or is the priority group playing a role too?
2014-08-17T03:00:59 < jadew> (what's annoying me the most is the lack of information about this stuff in the manual)
2014-08-17T03:01:05 < jadew> or maybe I'm reading the wrong thing...
2014-08-17T03:01:39 < zyp> you have x number of priority bits in total (4 on stm32), and you can specify how many of those you want to be group subpriority
2014-08-17T03:02:50 < zyp> the full priority number including subpriority controls which interrupt gets serviced first, the group stuff is only relevant for preemption
2014-08-17T03:03:30 < zyp> and the rule is simple, one interrupt can preempt another interupt only if it's in a higher priority group, a higher subpriority interrupt in the same group will not preempt
2014-08-17T03:04:25 < jadew> what does preempt mean?
2014-08-17T03:04:31 < jadew> does it mean interrupt another interrupt?
2014-08-17T03:04:39 < zyp> exactly
2014-08-17T03:04:57 < zyp> if you don't want preemption, just make the whole field into subpriority
2014-08-17T03:05:03 < zyp> i.e. everything one big group
2014-08-17T03:05:30 < jadew> and if I do, I set the group priority to 1?
2014-08-17T03:05:43 < jadew> and I can have 2 groups?
2014-08-17T03:06:01 < jadew> one that can preempt the other
2014-08-17T03:06:18 < zyp> yeah, I guess
2014-08-17T03:06:20 < jadew> 1000
2014-08-17T03:06:22 < jadew> and 0000
2014-08-17T03:06:28 < jadew> 1xxx
2014-08-17T03:06:30 < jadew> 0xxx
2014-08-17T03:06:34 < zyp> yep
2014-08-17T03:06:42 < jadew> THANK YOU
2014-08-17T03:07:02 < jadew> omg... I feel so relieved
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2014-08-17T03:07:56 < jadew> this was bugging me so bad - any idea which manual documents this?
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2014-08-17T03:08:43 < zyp> cortex-m core documentation
2014-08-17T03:09:14 < jadew> I've been browsing the online version and couldn't find info on this
2014-08-17T03:09:23 < jadew> thanks tho, I'll see if I can find more
2014-08-17T03:09:41 < zyp> http://infocenter.arm.com/help/topic/com.arm.doc.dui0553a/BABHGEAJ.html
2014-08-17T03:11:05 < zyp> http://infocenter.arm.com/help/topic/com.arm.doc.dui0553a/Cihehdge.html#BABIJABJ <- also the binary point-part here
2014-08-17T03:12:04 < jadew> oh yeah, wish I found that
2014-08-17T03:12:45 < jadew> I thought preemption works with full width no matter what
2014-08-17T03:12:45 < zyp> note that stm32 only implements the upper four bits of the priority field, not the lower four
2014-08-17T03:12:55 < jadew> and that grouping was just a weird ass way of setting things
2014-08-17T03:13:25 < jadew> yeah, I did read about that somewhere
2014-08-17T03:14:04 < jadew> now the only remaining question is why is my interrupt not fireing hehe
2014-08-17T03:15:12 < jadew> http://pastebin.com/qXUf99cD
2014-08-17T03:15:18 < zyp> upper bits being implemented makes sense if you consider the priority field a binary fraction in the range [0, 1)
2014-08-17T03:16:15 < zyp> 0x00 would be highest priority, 0x80 would be half priority and so on
2014-08-17T03:16:29 < jadew> I think they did it like that for forward compatibility
2014-08-17T03:16:51 < jadew> but yeah, makes senes as a fraction too
2014-08-17T03:16:52 < zyp> yeah, if you distribute your interrupts over the full range, you'll just lose granularity on platforms with less bits
2014-08-17T03:17:10 < zyp> not really forward compatibility, but interplatform compatibility
2014-08-17T03:17:28 < zyp> the number is fully customizable from ARM's side, and ST chose 4 for stm32
2014-08-17T03:17:58 < jadew> ah, I see
2014-08-17T03:18:26 < zyp> you aren't enabling any interrupt flags for TIM10 as far as I can see
2014-08-17T03:18:35 < zyp> you've enabled the interrupt, but nothing that triggers it
2014-08-17T03:20:17 < jadew> CR1 register has this: URS: Update request source. This bit is set and cleared by software to select the update interrupt (UEV) sources. 0: Any of the following events generate an UEV if enabled: – Counter overflow – Setting the UG bit. 1: Only counter overflow generates an UEV if enabled.
2014-08-17T03:20:46 < jadew> I figured that if I leave it on 0, it will trigger the UEV and that will generate the interrupt
2014-08-17T03:21:13 < zyp> oh
2014-08-17T03:21:17 < zyp> TIM10 is weird
2014-08-17T03:21:17 < jadew> didn't find a flag to actually enable it
2014-08-17T03:22:07 < zyp> hang on, I need to check the RM
2014-08-17T03:22:20 < zyp> I haven't touched this in a while
2014-08-17T03:24:41 < zyp> hmm
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2014-08-17T03:25:04 < zyp> TIMx_DIER is not documented in the chapter for TIM10, but it's listed in the register map in the end
2014-08-17T03:25:28 < zyp> normally you'd want to set the UIE bit in TIMx_DIER to enable the update interrupt
2014-08-17T03:25:35 < jadew> ah, got it
2014-08-17T03:25:36 < jadew> thanks
2014-08-17T03:26:24 < zyp> at least that's how it is for the full functioned timers, I'm not sure if TIM10 also requires that or if it's reduced into simply being always on
2014-08-17T03:27:02 < jadew> well, it doesn't get called so... hopefully it uses that
2014-08-17T03:27:29 < zyp> I'd guess that since it's in the register map at the end, probably a documentation error
2014-08-17T03:27:31 < jadew> what is UDE?
2014-08-17T03:27:51 < jadew> alright, setting UIE called it
2014-08-17T03:28:26 < jadew> thanks a lot, would have been a nightmare to figure out there's another register that is missing from the RM
2014-08-17T03:28:34 < zyp> UDE is same as UIE, except DMA request instead of interrupt request
2014-08-17T03:28:46 < jadew> I see
2014-08-17T03:28:47 < jadew> thanks
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2014-08-17T04:05:29 < damastaryu> Why do GPIO peripherals have BSRR and BRR registers? It looks like BSRR can already do reseting so BRR seems unneeded?
2014-08-17T04:06:39 < jadew> they don't have BRR
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2014-08-17T04:07:54 < jadew> are you sure you're not confusing it with the baudrate register of the UART peripheral?
2014-08-17T04:08:57 < zyp> some stm32 families have BRR, some don't
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2014-08-17T04:09:32 < jadew> oh really? what does it do?
2014-08-17T04:09:36 < zyp> IIRC F1 has BRR, and then it got removed in the new style GPIO block in F2/F4, and then it got added back in F0/F3
2014-08-17T04:09:52 < zyp> BRR is just the reset part, same as the upper 16 bits of BSRR
2014-08-17T04:09:58 < jadew> ah
2014-08-17T04:10:03 < damastaryu> But why the repetition?
2014-08-17T04:10:08 < zyp> so it's strictly redundant
2014-08-17T04:10:28 < zyp> dunno, some people might like it :p
2014-08-17T04:10:29 < jadew> is it really a separate register or just pointing to the upper part of BSRR?
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2014-08-17T04:10:47 < zyp> it's a separate register
2014-08-17T04:11:02 < damastaryu> Uhh, are you saying it's for backwards compatibility?
2014-08-17T04:11:05 < zyp> but it's probably just an alias in the address decoder in the GPIO block
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2014-08-17T04:11:12 < zyp> no
2014-08-17T04:11:46 < zyp> I guess it's for people who for some reason don't want to do a 16-bit shift when resetting gpio pins :p
2014-08-17T04:12:16 < damastaryu> weird... haha
2014-08-17T04:12:35 < zyp> certain people insist on all sorts of silly stuff, you know :p
2014-08-17T04:20:15 < upgrdman> BRR is nice on the f0 since you don't have bit banding
2014-08-17T04:20:42 < upgrdman> so it's a bit faster than bit shifting on top of your other logic
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2014-08-17T04:47:20 < damastaryu> Do some pins require special config? I can turn PB15 to high, but I can't turn PB3 to high
2014-08-17T04:48:05 < damastaryu> Both pins are being configured/written to in the same way, and I've checked with a DMM that one turns on and the other doesn't
2014-08-17T04:51:36 < qyx_> PB3 is part of JTAG
2014-08-17T04:51:55 < qyx_> it is configured as AF after reset, you have to disable it if you want to use it as GPIO
2014-08-17T04:57:06 < gxti> if you're flipping a pin on and off, using the same constant for BSRR/BRR/BSRRL/BSRRH means less code
2014-08-17T05:02:27 < damastaryu> gxti: Thank you! Disabling it worked!
2014-08-17T05:02:36 < gxti> i didn't do anything
2014-08-17T05:02:49 < damastaryu> err, qyx
2014-08-17T05:03:07 < damastaryu> :-)
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2014-08-17T05:12:19 < qyx_> np
2014-08-17T05:13:36 < qyx_> if i wanted to provide some sort of supervising "service" by a bootloader..
2014-08-17T05:14:31 < qyx_> WWDG should do
2014-08-17T05:18:33 < qyx_> although its early wakeup interrupt was not probably meant to be used to periodically jump to the bootloader
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2014-08-17T06:26:20 < dongs> https://imgur.com/a/5xiPJ ...
2014-08-17T06:35:08 -!- baird [~cjb@ppp121-44-118-192.lns20.syd6.internode.on.net] has joined ##stm32
2014-08-17T06:41:16 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has quit [Ping timeout: 260 seconds]
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2014-08-17T06:44:29 < emeb_mac> awesome
2014-08-17T06:45:08 < emeb_mac> meanwhile in Romania: http://www.liveleak.com/view?i=d5b_1408099087#sthash.A9EGqxiO.gbpl
2014-08-17T06:47:36 < dongs> http://i.imgur.com/bjDdVgz.png
2014-08-17T06:51:34 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Remote host closed the connection]
2014-08-17T07:03:33 < emeb_mac> haha - "not affiliated with the calculators"
2014-08-17T07:08:24 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has joined ##stm32
2014-08-17T07:10:35 < dongs> hmm waht hte fuck
2014-08-17T07:10:41 < dongs> Your web browser settings are blocking cookies.
2014-08-17T07:10:42 < dongs> "Cookies" are small files that are placed on the hard drive of your computer when you visit various websites. eBay uses cookies to provide services to you, and to help ensure the security of your account. Your web browser must accept cookies in order to access all of the features that eBay has to offer. Here's how you can get your web browser to accept cookies:
2014-08-17T07:13:16 < emeb_mac> take the cookie! TAKE IT!
2014-08-17T07:17:09 -!- tonyarkles [~aja042@71-17-38-145.sktn.hsdb.sasknet.sk.ca] has quit [Quit: tonyarkles]
2014-08-17T07:18:49 < dongs> https://www.kickstarter.com/projects/697708033/hdmipi-affordable-9-high-def-screen-for-the-raspbe/posts/897018
2014-08-17T07:18:56 < dongs> The bad news is that we've lost a couple of weeks because we had to do another iteration of the driver board. The reason for this is that the previous board was not ready for pick-and-place production. A couple of pads needed adding to make that possible. And it's not wise to go into production on a new board layout without testing that it works. Obviously, having said, in the previous update, that we'd frozen the hardware, we had to back-track, and that makes us look s
2014-08-17T07:19:03 < dongs> ????????????????????????????
2014-08-17T07:19:13 < dongs> > adding pads for pick and place production
2014-08-17T07:20:25 < dongs> fucking newbs
2014-08-17T07:20:48 < dongs> https://s3.amazonaws.com/ksr/assets/002/440/183/5a27d8b03cf97cb23c66e072cb0e39fc_large.JPG?1408121965 and this looks like your typical fucking horrible chink lvds driver board
2014-08-17T07:20:59 < dongs> waisougly
2014-08-17T07:23:29 < upgrdman> what pads might they need to add?
2014-08-17T07:23:36 < upgrdman> test points for automated testing?
2014-08-17T07:23:55 < dongs> just typical clueless dickstarter yapping
2014-08-17T07:23:58 < dongs> thats the "final" board
2014-08-17T07:24:14 < dongs> an ugly fucking mix of dip and SMT
2014-08-17T07:24:24 < dongs> and way bigger than it should have been
2014-08-17T07:25:24 < emeb_mac> gah!
2014-08-17T07:25:48 < emeb_mac> those crazy non-square pkgs - so 90's
2014-08-17T07:27:32 < upgrdman> ya, why do non-square packages exist?
2014-08-17T07:28:04 < upgrdman> and why do many flash chips use a weird ass package too --- long and pins on the "wrong" edges?
2014-08-17T07:29:20 < emeb_mac> just to f*ck with your head
2014-08-17T07:29:35 < upgrdman> i guess so :(
2014-08-17T07:34:50 < dongs> http://i.imgur.com/uAhOLt9.jpg
2014-08-17T07:41:30 < emeb_mac> ummm... so what's with the wasps?
2014-08-17T07:41:38 < dongs> they're near my window.
2014-08-17T07:41:48 < dongs> i think i should get them removed
2014-08-17T07:44:06 < emeb_mac> ya, prolly
2014-08-17T07:44:26 < emeb_mac> I've been stung by that kind - not pleasant
2014-08-17T07:45:23 < emeb_mac> interesting that they've got blue nesting paper - wonder where they're getting that.
2014-08-17T07:48:13 < dongs> its just camera being shitty, i think its more like gray
2014-08-17T07:50:17 < emeb_mac> aha - makes sense
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2014-08-17T08:03:41 < dongs> in a 100V in switcher with sync diode, does diode need to be rated at V_in or just at V_out
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2014-08-17T08:04:32 < emeb_mac> good question
2014-08-17T08:04:39 < emeb_mac> depends on exact circuit
2014-08-17T08:04:44 < dongs> its before SW pin
2014-08-17T08:04:52 < dongs> like your typical switcher with diode to gnd
2014-08-17T08:04:55 < dongs> at SW
2014-08-17T08:05:27 < emeb_mac> got a datasheet recommended ckt?
2014-08-17T08:05:34 < dongs> LM5008 for example
2014-08-17T08:05:59 < dongs> http://www.ti.com/general/docs/datasheetdiagram.tsp?genericPartNumber=LM5008&diagramId=26052
2014-08-17T08:06:02 < dongs> D1
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2014-08-17T08:07:19 < dongs> huh wtf is taht Vout2 in that pic
2014-08-17T08:07:29 < dongs> its going through 2R resistor... ?
2014-08-17T08:09:08 < emeb_mac> "D1’s reverse voltage rating must be at least as great as the maximum Vin"
2014-08-17T08:09:44 < dongs> nice.
2014-08-17T08:09:46 < dongs> does it actually say t hat
2014-08-17T08:09:49  * dongs sucks f or not reading
2014-08-17T08:11:03 < dongs> ok i see now. that section makes it prety clear
2014-08-17T08:11:17 < emeb_mac> yep
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2014-08-17T08:36:40 < PaulFertser> Is anyone here has some ICDI stellaris handy and windows PC to run uniflash or lmflashprogrammer?
2014-08-17T08:36:58 < dongs> ICDI stellaris = launchpad shiz?
2014-08-17T08:37:04 < PaulFertser> Yep
2014-08-17T08:37:09 < dongs> ive got one laying aroudn somewehre
2014-08-17T08:37:15 < dongs> what do you need to do?
2014-08-17T08:37:36 < dongs> steallaris launchpad LM4F120 evaluation kit
2014-08-17T08:37:40 < PaulFertser> Oh, I'd like someone to do "Debug unlock port" operation in lmflashprogrammer while capturing usb traffic with wireshark.
2014-08-17T08:37:55 < dongs> oh, fuck that.
2014-08-17T08:38:01 < PaulFertser> http://wiki.wireshark.org/CaptureSetup/USB#Windows
2014-08-17T08:38:01 < dongs> i suspect wireshark capture in windows involves instaslling libusb
2014-08-17T08:38:07 < dongs> and all the aftereffects of that
2014-08-17T08:38:22 < dongs> i've got a hardware usb protocol analzyer.
2014-08-17T08:38:50 < PaulFertser> Well, that would work too of course :)
2014-08-17T08:39:09 < PaulFertser> (I do not think USBPcap involves libusb anyhow)
2014-08-17T08:39:26 < dongs> it doesnt sound very safe anyway
2014-08-17T08:39:51 < PaulFertser> I'll try looking through lmflash binary for now...
2014-08-17T08:39:57 < dongs> k tell me what to do
2014-08-17T08:39:59 < dongs> ill hook it up now
2014-08-17T08:40:01 < jpa-> hardware vs. software usb analyzers often show a bit different things anyway
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2014-08-17T08:40:42 < jpa-> but either is probably ok for reverse engineering :P
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2014-08-17T08:41:31 < PaulFertser> dongs: do you already have that uniflash or lmflashprogrammer shit installed?
2014-08-17T08:41:50 < dongs> no, link me to it.
2014-08-17T08:41:56 < dongs> preferably .zips and not installers that aids up my system
2014-08-17T08:42:03 < dongs> or if it can be standalone, even better
2014-08-17T08:43:11 < PaulFertser> Ok, I'll go dig out my ti.com credentials.
2014-08-17T08:43:23 < PaulFertser> They don't allow to download soft easily :/
2014-08-17T08:43:33 < PaulFertser> Even though the datasheets seem damn good and the site is nice to use.
2014-08-17T08:44:00 < dongs> do you just have .exe or something
2014-08-17T08:44:07 < dongs> im sure it doesnt need installing
2014-08-17T08:44:13 < dongs> i remember using some C8051 tools
2014-08-17T08:44:20 < dongs> for their CC2xxx shit
2014-08-17T08:44:26 < dongs> and that was just a single dir with a bunch of .exe
2014-08-17T08:46:58 < PaulFertser> I'm trying to get it atm, not so easy.
2014-08-17T08:50:59 < dongs> http://bcas.tv/paste/results/xhUwQj86.html
2014-08-17T08:51:02 < dongs> i can export this kinda shit
2014-08-17T08:51:27 < dongs> (this is just plugin + enumerate
2014-08-17T08:51:50 < dongs> thre's more verbose stuff also.
2014-08-17T08:51:55 < dongs> anyway, figure out where the software is.
2014-08-17T08:52:06 < PaulFertser> I'm on it, currently got .msi installer.
2014-08-17T08:52:33 < dongs> nice
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2014-08-17T09:05:43 < dongs> dark.exe from wix tools should be able to unpack that
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2014-08-17T09:05:53 < dongs> dark -x cocks.xml fail.msi cocks
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2014-08-17T09:30:19 < dongs> PaulFertser: status
2014-08-17T09:33:14 < PaulFertser> dongs: http://paulfertser.info/LMFlashProgrammer.msi can't reasonably sane extract it, sorry
2014-08-17T09:33:21 < PaulFertser> cabextract mangles filenames
2014-08-17T09:33:28 < dongs> getting
2014-08-17T09:36:18 < dongs> haha its just one .exe
2014-08-17T09:36:41 < dongs> ok
2014-08-17T09:37:20 < PaulFertser> dongs: and while at it, please also issue "hardware reset" command.
2014-08-17T09:37:30 < PaulFertser> It's not currently known how to do that with icdi properly.
2014-08-17T09:37:43 < dongs> ok. lemme save flash first then ill try dicking with it
2014-08-17T09:39:43 < dongs> wtf
2014-08-17T09:39:46 < dongs> i think it needs a driver
2014-08-17T09:39:48 < dongs> that wasnt part of this shit
2014-08-17T09:40:26 < dongs> k foudn
2014-08-17T09:41:56 < dongs> wetf
2014-08-17T09:42:36 < PaulFertser> TI :/
2014-08-17T09:44:02 < dongs> ok
2014-08-17T09:44:03 < dongs> got shit working
2014-08-17T09:44:04 < dongs> lets log
2014-08-17T09:44:47 < dongs> whre is hardfware reset
2014-08-17T09:45:24 < dongs> 'reset mcu after program'?
2014-08-17T09:45:36 < dongs> oh isee button
2014-08-17T09:46:53 < dongs> PaulFertser: http://bcas.tv/paste/results/b0YqT274.html hardware reset
2014-08-17T09:47:01 < dongs> i took out all NAK responses shit was flooding with them
2014-08-17T09:47:57 < dongs> theres 2 choices for debug unlock port
2014-08-17T09:48:13 < PaulFertser> dongs: what are they? I thought only one is applicable to icdi.
2014-08-17T09:48:41 < dongs> 'Fury, DuestDebvig, TM4C123 and EM4C129 classes
2014-08-17T09:48:46 < dongs> Tempest and Firestorm classes
2014-08-17T09:48:50 < dongs> and "unlock" button
2014-08-17T09:48:56 < dongs> no idea waht either of that means :)
2014-08-17T09:48:58 < dongs> i can do both?
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2014-08-17T09:50:13 < PaulFertser> dongs: TM4C123
2014-08-17T09:51:06 < dongs> ok
2014-08-17T09:51:06 < dongs> doing.
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2014-08-17T09:52:10 < dongs> http://bcas.tv/paste/results/FGz6xe78.html
2014-08-17T09:52:13 < dongs> unlock
2014-08-17T09:54:29 < dongs> PaulFertser: does that make sense/
2014-08-17T09:55:07 < PaulFertser> dongs: awesome, thanks! It seems like I can somewhat understand those usb captures, that'll give me a nice start, much appreciated.
2014-08-17T09:55:36 < dongs> if you need more data or wahtever just lemme know. it should include all teh bytes at least.
2014-08-17T09:55:42 < madist> dongs: bcas.tv is your personal site ?
2014-08-17T09:55:52 < dongs> PaulFertser: it seems shit is ascii, heh
2014-08-17T09:56:03 < dongs> $qRcmd,6465627
2014-08-17T09:56:03 < dongs> 56720636c6f636
2014-08-17T09:56:04 < dongs> b2000#fc
2014-08-17T09:56:05 < dongs> etc
2014-08-17T09:56:10 < PaulFertser> Indeed
2014-08-17T09:56:14 < PaulFertser> GDB-like protocol
2014-08-17T09:56:29 < dongs> madist: yea
2014-08-17T09:56:41 < PaulFertser> It would probably be interesting to extract firmware this way while it's updating it.
2014-08-17T09:56:51 < dongs> would you like to do that?
2014-08-17T09:56:53 < PaulFertser> This shit seems to be able to reflash ICDI.
2014-08-17T09:56:58 < dongs> i noticed "upgrade firmware" button
2014-08-17T09:57:01 < PaulFertser> Well, if you still has this connected...
2014-08-17T09:57:04 < dongs> its probably encrypted tho
2014-08-17T09:57:05 < dongs> yea i do
2014-08-17T09:58:02 < PaulFertser> Who knows. At least the upgrade procedure is probably not board-dependent, so one would be able to reflash from within any OS once the shit is understood.
2014-08-17T09:59:43 < dongs> http://timecop.mine.nu/dfu2.zip
2014-08-17T10:00:00 < dongs> it disconnects, installs new driver, flashes, reconnetts
2014-08-17T10:00:03 < dongs> should be all in there i gu ess
2014-08-17T10:00:29 < dongs> PaulFertser: that shit is fucking slow
2014-08-17T10:00:35 < dongs> it took like 20 secnods to flash 256k
2014-08-17T10:00:36 < dongs> horrible
2014-08-17T10:01:15 < dongs> and their drivers dont work on win8.1
2014-08-17T10:01:19 < dongs> i had to installthe shit i nxp VM
2014-08-17T10:01:21 < dongs> what a fucking fail
2014-08-17T10:03:51 < dongs> no wonder stellolis is dying
2014-08-17T10:09:38 < PaulFertser> dongs: oh, I see. Thank you very much indeed!
2014-08-17T10:10:52 < PaulFertser> So if it's a regular dfu mode, that'd be great.
2014-08-17T10:13:08 < dongs> it installed "stellaris device in DFU mode"
2014-08-17T10:14:16 < PaulFertser> Seems like it's plain compliant DFU device and I was even able to dump firmware with the dfu-util, no protection or anything like that.
2014-08-17T10:15:51 < madist> TI generally doesn't secure their firmware afaik.
2014-08-17T10:16:29 < madist> you can download the MSP430 FET firmware directly from their website.
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2014-08-17T10:27:19 < jadew> I've been at this for at least an hour, any idea why I can't get this timer to toggle chanel 3? http://pastebin.com/igaeJybn
2014-08-17T10:27:43 < jadew> the timer is working, because I can see how the CNT register is changing
2014-08-17T10:28:54 < dongs> TIM8 needs BDTR setting.
2014-08-17T10:28:56 < dongs> to enable PWM outputs.
2014-08-17T10:29:03 < dongs> TIm1/8 needs it.
2014-08-17T10:29:21 < jadew> thanks, checking
2014-08-17T10:31:04 < dongs> i think top bit, at least on F1
2014-08-17T10:31:07 < dongs> might be sam on F4
2014-08-17T10:32:29 < jadew> and it works, thank you
2014-08-17T10:32:43 < jadew> yes, top bit
2014-08-17T10:32:51 < CoolBear> jadew: Small steps toward the goal.
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2014-08-17T10:33:18 < jadew> CoolBear, yeah, but sadily I've been spending the past 2 days on silly things :)
2014-08-17T10:33:32 < jadew> hopefully I won't forget this stuff
2014-08-17T10:33:42 < CoolBear> Heh, there is that :P
2014-08-17T10:41:13 < dongs> haha PaulFertser TI starting guide for ICDI drivers says a "driver not signed" warning may appear
2014-08-17T10:41:18 < dongs> and says to ignore it anyway
2014-08-17T10:41:30 < dongs> they DO appear to be signed, but in 2011, and probably not correctly - they're failing to install on win8.1
2014-08-17T10:41:52 < dongs> i have had some drivers like that that needed re-signing in order to install
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2014-08-17T11:16:08 < PaulFertser> dongs: haha
2014-08-17T11:16:14 < PaulFertser> Windows is complicated
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2014-08-17T12:07:50 < dongs> windows works just fine
2014-08-17T12:07:58 < dongs> clueless companies not knowing how to make use of it is the problem
2014-08-17T12:08:07 < dongs> once I've re-signed the stuff it would work
2014-08-17T12:08:13 < dongs> (ddint bother with icdi driver)
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2014-08-17T14:18:19 < dongs> sup
2014-08-17T14:18:20 < dongs> where chat
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2014-08-17T14:22:35 < scrts> dead.
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2014-08-17T14:23:46 < dongs> indeed
2014-08-17T14:24:31 < scrts> sup dongs?
2014-08-17T14:24:37 < dongs> not much
2014-08-17T14:24:42 < dongs> trying to think what to innovate next
2014-08-17T14:24:44 < scrts> having summer holidays?
2014-08-17T14:24:47 < dongs> i wish
2014-08-17T14:24:56 < scrts> a yeah... take over the world
2014-08-17T14:27:43 < jadew> if I want to run code with out interruptions, the proper way of doing it is by calling __disable_irq() and then enable them again?
2014-08-17T14:28:34 < scrts> why you want to enable them if you say, that you want to run without them?
2014-08-17T14:29:01 < jadew> scrts, so a section of code doesn't get interrupted
2014-08-17T14:29:22 < scrts> enable interrupts fter that section of code
2014-08-17T14:29:32 < scrts> I usually disable interrupts when I enter one
2014-08-17T14:29:40 < scrts> then do the stuff in interrupt function
2014-08-17T14:29:48 < scrts> enable interrupts again and leave
2014-08-17T14:29:52 < jadew> you don't have to disable interrupts when you enter an ISR
2014-08-17T14:30:06 < jadew> you can just set the priority group to 0 if you don't want more than 1 ISR to run at one time
2014-08-17T14:31:22 < jadew> then any irq that takes place during the time when your current ISR is running, will have to wait until this one finishes
2014-08-17T14:39:32 < scrts> What if I Have a couple of same priority interrupts?
2014-08-17T14:39:46 < jadew> scrts, they don't overlap
2014-08-17T14:39:54 < scrts> plus my interrupts are extremely quick -> I put incoming data to the scheduler and leave
2014-08-17T14:40:27 < jadew> same priority interrupts will be ran in the order in which they are in the interrupt table I suppose
2014-08-17T14:40:32 < jadew> but they won't interrupt each other
2014-08-17T14:41:07 < jadew> only a higher priority interrupt can interrupt an ongoing interrupt
2014-08-17T14:45:01 < scrts> that's in STM32?
2014-08-17T14:45:17 < zyp> you can also use primask to disable interrupts up to a certain priority and leave higher priority interrupts on
2014-08-17T14:47:40 < jadew> scrts, yes
2014-08-17T14:47:46 < jadew> zyp, nice, good to know
2014-08-17T14:47:58 < jadew> zyp, any idea about my question?
2014-08-17T14:48:21 < jadew> is it ok to __disable_irq() and enable them back when I don't want any interruptions?
2014-08-17T14:48:44 < zyp> sure, but what are you doing that requires that?
2014-08-17T14:48:58 < jadew> reading two volatiles
2014-08-17T14:49:18 < zyp> ldrex/strex may be a better option
2014-08-17T14:49:22 < jadew> I suspect that when you're reading only one atomicity (if that's a word) is guaranteed
2014-08-17T14:49:48 < zyp> yeah
2014-08-17T14:50:31 < zyp> hmm, I'm not sure you could do atomic read of two volatiles with ldrex/strex
2014-08-17T14:50:43 < jadew> yeah, I don't believe you can
2014-08-17T14:50:49 < dongs> http://www.ebay.com/itm/321488353258
2014-08-17T14:51:11 < jadew> and their existence disproves my earlier assumption :)
2014-08-17T14:51:41 < zyp> well, I guess you could read the first with ldrex, read the second normally, then write back the first with strex
2014-08-17T14:52:09 < zyp> if the write succeeds, there have been no interrupts in between, so the second should also be unchanged unless by DMA
2014-08-17T14:52:13 < jadew> yeah, but an interrupt could occur right after ldrex
2014-08-17T14:52:22 < zyp> that would cause strex to fail
2014-08-17T14:52:26 < jadew> ah
2014-08-17T14:52:37 < jadew> neat
2014-08-17T14:54:03 < zyp> normally it's used to make atomic read/modify/write operations, by having it fail if something happened between the read and the write
2014-08-17T14:54:39 < zyp> but I guess it's possible to use it to protect a second read in between instead of the modify
2014-08-17T14:54:39 < jadew> yeah, I figured, just read the description
2014-08-17T14:55:18 < jadew> I can't think of a situation where I'd use that
2014-08-17T14:55:31 < zyp> use what?
2014-08-17T14:55:39 < jadew> ldrex and strex
2014-08-17T14:56:03 < zyp> http://cgit.jvnv.net/laks/tree/os/mutex.h <- like this, for instance
2014-08-17T14:56:05 < jadew> I mean, if I want to read and write something, I usually don't plan it to be optional
2014-08-17T14:56:24 < jadew> ok, that's a good one
2014-08-17T14:57:32 < jadew> might be the only purpose for that pair of instructions, no?
2014-08-17T14:58:16 < zyp> no
2014-08-17T14:58:32 < zyp> you can use them for all sorts of synchronization stuff
2014-08-17T14:59:09 < jadew> well, that's what I mean, strictly synchronization based on that pattern
2014-08-17T14:59:32 < zyp> imagine a queue to transfer stuff between thread or interrupts or whatever
2014-08-17T14:59:54 < jadew> it would still follow the mutex pattern
2014-08-17T14:59:59 < zyp> you could use ldrex/strex to grab a queue slot atomicly, instead of locking down everything
2014-08-17T15:00:23 < zyp> no it wouldn't
2014-08-17T15:00:56 < jadew> wouldn't the thing that will provide the slot have to lock everything out?
2014-08-17T15:01:06 < zyp> using a lock means you prevent access from other threads, using ldrex/strex you don't
2014-08-17T15:01:08 < jadew> it wouldn't be able to keep track otherwise
2014-08-17T15:02:13 < zyp> say the queue is a ring buffer, you just use ldrex/strex to increment the buffer pointer, and return the old one
2014-08-17T15:02:54 < jadew> but that's an operation that might fail, how is that useful?
2014-08-17T15:04:30 < jadew> you might get the old pointer and by the time you write it back its changed, and strex fails
2014-08-17T15:04:33 < dongs> you do it again
2014-08-17T15:04:59 < jadew> if you do that it's still the mutex pattern
2014-08-17T15:05:05 < jadew> try_lock()
2014-08-17T15:05:31 < zyp> sure, it's a pattern of retrying, but it's not related to a mutex at all
2014-08-17T15:05:42 < jadew> yeah, I think you're right
2014-08-17T15:06:05 < jadew> if you succesfully increment the index you can use the read address
2014-08-17T15:06:34 < jadew> ok, convinced :)
2014-08-17T15:06:47 < jadew> I'll keep those two instructions in mind
2014-08-17T15:06:59 < zyp> using a lock means that you have to do a bunch of stuff to lock and unlock the system every time you're using shared resources to prevent races
2014-08-17T15:07:22 < jadew> zyp, yeah, I understand
2014-08-17T15:07:28 < zyp> using ldrex/strex means that you only have to deal with failed operation due to races that have already occured
2014-08-17T15:07:50 < zyp> so in practice it should have much less overhead, considering races shouldn't happen very often
2014-08-17T15:08:20 < jadew> even if they would, it would still be very light
2014-08-17T15:11:00 < jadew> on F4, only TIM1 and 8 can count down?
2014-08-17T15:11:29 < jadew> ah, 2 and 5 seem to do it too
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2014-08-17T16:27:44 < TheSeven> if you were designing a circuit around an F407, which has one USB device port and one USB host port, both running in FS mode, which OTG would you use for which one?
2014-08-17T16:27:56 < TheSeven> how severely limited is the host mode of OTG_FS?
2014-08-17T16:28:33 < TheSeven> would you consider the additional endpoints on the device side more important, or DMA (and maybe more host channels?) on the host side?
2014-08-17T16:28:56 < TheSeven> I haven't used this thing in host mode yet, just in device mode...
2014-08-17T16:33:30 < CoolBear> jadew: What are you making?
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2014-08-17T16:35:37 < kakeman> nice
2014-08-17T16:35:37 < CoolBear> :o
2014-08-17T16:44:18 < zyp> TheSeven, that's a very general question, the answers would likely be very application dependant
2014-08-17T16:44:35 < TheSeven> that's the problem... I'm asking for experiences here
2014-08-17T16:44:46 < zyp> what would you use the device for and what would you use the host for?
2014-08-17T16:45:02 < TheSeven> I'm designing a general purpose board, and am not sure yet what I'm going to actually use it for :P
2014-08-17T16:45:34 < zyp> FWIW I'm planning a project where I'll use OTG_FS in device mode and OTG_HS in host mode
2014-08-17T16:45:45 < TheSeven> I guess I can get away with OTG_FS as the device mode one, should have enough endpoints for most purposes
2014-08-17T16:45:49 < zyp> I haven't used host mode myself so far, but this is a project I've been planning
2014-08-17T16:46:07 < TheSeven> not having DMA is a bit nasty though, an I figure that I'm going to use the device side way more often than the host side
2014-08-17T16:46:26 < TheSeven> having the device side on FS also has the advantage of being able to use DFU
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2014-08-17T16:46:49 < TheSeven> and the disadvantage of not being able to downgrade to e.g. F205 (which has only the HS)
2014-08-17T16:46:51 < zyp> I'd use the device as a configuration&control interface which doesn't need to be particularly fast, while reading files from a memory stick running in HS mode on OTG_HS
2014-08-17T16:47:44 < zyp> DMA in FS mode is kinda wasted, FS is so slow that you have plenty of time shuffling data with the cpu
2014-08-17T16:47:58 < TheSeven> hm, I guess for full speed it should be feasible to just place both connectors in parallel on the HS :P
2014-08-17T16:48:08 < zyp> whatever you do you can write your own bootloader that works with anything
2014-08-17T16:48:30 < TheSeven> DMA in host mode is somewhat wasted as well if you just aren't using host mode often ;)
2014-08-17T16:49:00 < TheSeven> well DFU has the advantage of not being brickable, at least not without major effort
2014-08-17T16:49:10 < zyp> anyway, my design choice is that I want to use HS host
2014-08-17T16:49:27 < TheSeven> I'm pondering to make FS device and HS both ;)
2014-08-17T16:49:48 < zyp> the main reason I'm planning on that route is that HS USB is faster than the SDIO interface
2014-08-17T16:50:09 < TheSeven> well, with an external phy, which I'm not going to use here
2014-08-17T16:50:17 < zyp> true
2014-08-17T16:50:43 < zyp> without a HS PHY the differences between OTG_FS and OTG_HS are so small that they almost don't matter
2014-08-17T16:50:44 < TheSeven> but given that you seem to have done that research already: which phy is adequate for this, and how much does it cost?
2014-08-17T16:51:04 < zyp> unsure, my waveshare devboard is using a USB3000
2014-08-17T16:51:45 < zyp> I'm going to prototype the project on that first
2014-08-17T16:52:09 < TheSeven> usb3300?
2014-08-17T16:52:22 < dongs> 3300 yes
2014-08-17T16:52:25 < zyp> ah, right
2014-08-17T16:52:26 < dongs> <3 waveshare
2014-08-17T16:52:41 < zyp> yeah, is nice
2014-08-17T16:52:48 < jpa-> TheSeven: put AB connectors on both, then you can always pick either :P
2014-08-17T16:52:57 < dongs> hss
2014-08-17T16:53:03  * TheSeven wonders how the ports on those waveshare boards are wired
2014-08-17T16:53:07 < zyp> jpa-, you still need to be able to supply vbus
2014-08-17T16:53:08 < TheSeven> just hooked up in parallel?
2014-08-17T16:53:08 < dongs> "ports"?
2014-08-17T16:53:19 < dongs> for multiple devices?
2014-08-17T16:53:35 < TheSeven> it seems to have a USB A socket + some miniusb port
2014-08-17T16:53:37 < jpa-> zyp: yeah, but you need that for host anyway.. just one fet more
2014-08-17T16:53:37 < dongs> they just have shit broken out, there's only one copy of SPIx, USARTx etc
2014-08-17T16:53:40 < zyp> TheSeven, on the HS board? it's wired in parallel, with a jumper on the ID line, since the A port doesn't have that
2014-08-17T16:53:54 < dongs> oh usb board i duno
2014-08-17T16:53:56 < dongs> didnt look.
2014-08-17T16:53:59 < dongs> tehy do have schematics for download
2014-08-17T16:54:03 < dongs> for all their modules and stuff
2014-08-17T16:54:05 < dongs> .. somewehre on the site
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2014-08-17T16:56:20 < TheSeven> I'm also wondering if using mini or micro USB is more clever these days ;)
2014-08-17T16:57:01 < zyp> mini-AB is deprecated so you should use micro if you're doing OTG
2014-08-17T16:57:05 < dongs> micro
2014-08-17T16:57:19 < TheSeven> micro-B is the de facto standard for just about everything today, but because of that you typically have tons of unused mini-B cables
2014-08-17T16:57:31 < dongs> let them stay unused
2014-08-17T16:58:02 < zyp> I'm doing micro on everything I'm designing
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2014-08-17T17:05:45 < Steffanx> My main issue with micro usb is crappy cables.. many people have cheap arse micro usb with cables that have a huge voltage drops with "high" currents.
2014-08-17T17:07:06 < jpa-> i have chinese mini-usb cable that has 1 ohm end-to-end resistance :)
2014-08-17T17:07:20 < Steffanx> i never had issues with mini-usb cables.
2014-08-17T17:12:15 < TheSeven> in my experience the contact resistance of mini-usb increases dramatically after a few hundred plugging cycles
2014-08-17T17:12:40 < TheSeven> that's something where micro-usb seems to be much more robust
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2014-08-17T17:23:52  * TheSeven wonders if it's worth it to power the 1.2V rail through an external switching regulator
2014-08-17T17:28:48 < jpa-> depends on how short on power you are
2014-08-17T17:29:13 < jpa-> IIRC it will reduce usage by some 25-50%
2014-08-17T17:29:16 < dongs> TheSeven: making new rockbox platform??
2014-08-17T17:29:23 < TheSeven> nah
2014-08-17T17:31:21 < TheSeven> also, is the on-chip RTC worth it, or should I go for something external?
2014-08-17T17:31:42 < jpa-> worth it in what way? it works
2014-08-17T17:32:09 < jpa-> (atleast as long as you don't have too slow Vdd fall rate :)
2014-08-17T17:32:50 < TheSeven> is the clock somewhat accurate? compared to e.g. DS1307? battery power consumption?
2014-08-17T17:33:17 < jpa-> it is as accurate as your 32kHz crystal is
2014-08-17T17:33:28 < jpa-> battery consumption is in datasheet, not particularly much
2014-08-17T17:34:18 < TheSeven> hm, DS1307 uses 300-500nA
2014-08-17T17:36:18 < TheSeven> STM32F4 uses 1400-11000nA with backup SRAM, and 760-5000 without
2014-08-17T17:38:31 < TheSeven> a CR2032 is 200mAh typically... which supplies the STM32 for 2 to 16 or 4.5 to 30 years, or the DS1307 for 45-76 years
2014-08-17T17:38:53 < TheSeven> guess that's acceptable...
2014-08-17T17:39:59 < CoolBear> Battery will probably die of old age before that.
2014-08-17T17:40:35 < TheSeven> well unless you have the backup RAM on and are storing the whole thing at 105°C
2014-08-17T17:40:41 < TheSeven> then it'll be empty in 2 years
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2014-08-17T17:54:17 < jpa-> a battery stored at 105°C will be death in less than a month
2014-08-17T17:54:33 < jpa-> *dead
2014-08-17T17:57:24 < madist> how many atmospheres is that ?
2014-08-17T17:57:35 < madist> (water at 105C)
2014-08-17T18:00:26 < madist>  much less than I thought: http://i2.wp.com/4.bp.blogspot.com/-FPYAWI1Vg5o/UVApKmUYC3I/AAAAAAAAEzU/S9-_LEIqmtU/s1600/pressures_and_boiling_points.PNG?w=630
2014-08-17T18:01:42  * TheSeven wonders whether it's possible to make a universal PCB footprint that works with nearly all STM32 devices
2014-08-17T18:01:51 < TheSeven> (well, the LQFP package ones)
2014-08-17T18:06:11 < qyx_> huh
2014-08-17T18:10:05 < TheSeven> well, have LQFP 32/48/64/100/144/176/208 footprints overlaying each other, and the right pads connected to each other ;)
2014-08-17T18:11:34 < zyp> no, different families have different pinouts
2014-08-17T18:12:50 < TheSeven> IIRC it should be very similar for anything F1/F2/F4
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2014-08-17T18:13:02 < TheSeven> with just 2-3 configuration solder bridges needed
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2014-08-17T18:13:39 < TheSeven> but no idea if the differen package size pinouts allow this, and if the footprints can be placed without touching each other
2014-08-17T18:15:26 < qyx_> and why would you do that?
2014-08-17T18:18:40 < TheSeven> to make a PCB that fits whichever chip you happen to have around ;)
2014-08-17T18:18:45 < TheSeven> just wondering whether it's possible
2014-08-17T18:21:16 < dongs> its possible just.............................................dumb.
2014-08-17T18:24:03 < qyx_> and will that pcb have any other purpose besides accepting all chips you have around?
2014-08-17T18:29:27 < TheSeven> I'm basically just wondering if ST designed the pinouts in a sane way, because if that is possible, it's very easy to scale something up and down as needed without having to re-route everything
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2014-08-17T18:32:39 < TheSeven> such a kind of thing can also be fairly useful if it's mostly a power supply and breakout board
2014-08-17T18:34:54 < TheSeven> jpa-: do I understand correctly that even on the big chips you can't use both ULPI and RMII?
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2014-08-17T18:37:45 < Tectu> hi
2014-08-17T18:39:09 < zyp> TheSeven, no
2014-08-17T18:40:47 < zyp> also, I think the order of pins on the qfps is pretty closely related to the order of the pins on the die
2014-08-17T18:42:10 < TheSeven> zyp: "no" refers to what?
2014-08-17T18:42:37 < zyp> no refers to «no, it's not true that you can't use both ULPI and RMII»
2014-08-17T18:42:48 < zyp> in other words, using both ULPI and RMII should be fine
2014-08-17T18:43:45 < TheSeven> right, I missed the second possible location for the RMII TXD pins
2014-08-17T18:43:50 < TheSeven> otherwise the pins would have conflicted
2014-08-17T18:52:04 < superbia>  #loldongs        14   Now operating at 9001 jiggadongs per second. | http://youtu.be/zPaEztBuY-8 | http://imgur.com/KDWMD.jpg
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2014-08-17T20:19:37 < superbia> doing favours http://strawpoll.me/2362559
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2014-08-17T21:21:41 < baird> Day 2 of the Electric Vehicle festival: https://www.flickr.com/photos/chris_j_b/sets/72157646508733526/
2014-08-17T21:22:31 < baird> He had the most Swag Electric bike, and the all-girls schoolgirls were all over him: https://www.flickr.com/photos/chris_j_b/14762175999/in/set-72157646508733526
2014-08-17T21:25:40 < Laurenceb> pedobaird
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2014-08-17T21:40:10 < baird> pedalbaird :P
2014-08-17T21:46:50 < upgrdman> how is baird pronounced? bayer'd?
2014-08-17T21:52:21 < MrMobius> like bared
2014-08-17T21:54:03 -!- Smd_ [~Smd_@79.114.21.177] has joined ##stm32
2014-08-17T21:57:18 < baird> As in John Logie.  B-aair-d.
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2014-08-17T23:12:57 < upgrdman> does extern imply volatile, or should both be used for volatile variables?
2014-08-17T23:13:14 < zyp> the latter
2014-08-17T23:17:27 < upgrdman> k
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2014-08-17T23:34:54 < zyp> extern just means that it's stored in a different translation unit and doesn't prevent that the compiler might cache the value of a read for subsequent reads
2014-08-17T23:37:47 < superbia> timecop the troll huter https://www.youtube.com/watch?v=9WoM2bHfr48
2014-08-17T23:48:49 < upgrdman> can you do "extern volatile uint32_t a,b,c;" or will extern volatile only apply to a?
2014-08-17T23:59:04 < zyp> IIRC it'll apply to all
2014-08-17T23:59:16 < zyp> but I prefer not declaring variables like that
--- Day changed Mon Aug 18 2014
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2014-08-18T00:47:57 < TheSeven> IIUC it's safe to apply up to 5V to any regular STM32 GPIO even when the chip isn't powered, right?
2014-08-18T00:52:00 < qyx_> no, read the datasheet
2014-08-18T00:52:25 < qyx_> not all pins are 5V tolerant
2014-08-18T00:52:46 < qyx_> and even on those you can have only VDD+4V according to datasheet
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2014-08-18T01:19:51  * Laurenceb is watching crank 2
2014-08-18T01:19:56 < Laurenceb> this shit is brilliant
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2014-08-18T01:21:59 < Steffanx> What's next Laurenceb? Sharknado? The human centipede?
2014-08-18T01:22:18 < Laurenceb> probably
2014-08-18T01:22:35 < Laurenceb> according to rotten tomatoes its like an explosion in a meth lab
2014-08-18T01:22:39 < Laurenceb> sounds pretty accurate
2014-08-18T01:26:33 < englishman> crank 2 is in the top 10 crank movies ever
2014-08-18T01:30:10 < Steffanx> just because there are only two or .. ?
2014-08-18T01:30:22 < Laurenceb> http://www.youtube.com/watch?v=t2kr2Gpt060
2014-08-18T01:31:46 < Steffanx> At least your favourite male performer is in that video too.
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2014-08-18T01:40:16 < kakeman> what happens if I ask nxp lpc questions here?
2014-08-18T01:40:32 < zyp> depends
2014-08-18T01:40:37 < zyp> either they get answered or they don't
2014-08-18T01:41:24 < zyp> actually, the chance of it being answered is pretty high, but the usefulness of the answer might be lacking :)
2014-08-18T01:41:30 < kakeman> I can't get gpio working
2014-08-18T01:41:36 < kakeman> first thing
2014-08-18T01:41:39 < kakeman> hello world
2014-08-18T01:41:54 < kakeman> all pins stay in default state
2014-08-18T01:42:01 < zyp> okay, which lpc?
2014-08-18T01:42:08 < kakeman> 1313/01
2014-08-18T01:42:10 < zyp> and what are you doing?
2014-08-18T01:42:46 < zyp> normally on stm32 all peripherals start out being turned off, so you have to turn on the gpio blocks before you can use them
2014-08-18T01:42:57 < effractur> post tha code
2014-08-18T01:43:04 < effractur> and what are you using?
2014-08-18T01:43:04 < zyp> so I suggest checking the clock control chapter of your reference manual
2014-08-18T01:43:10 < effractur> for dev env
2014-08-18T01:43:13 < zyp> clock/power/reset control
2014-08-18T01:43:16 < kakeman> by datasheet GPIO clock is on
2014-08-18T01:43:25 < kakeman> but iocon is not
2014-08-18T01:43:32 < kakeman> taken care of it
2014-08-18T01:43:37 < effractur> how are you flasing it?
2014-08-18T01:43:40 < kakeman> still notin
2014-08-18T01:43:48 < kakeman> with flash magic
2014-08-18T01:43:54 < zyp> are the pins assigned to be gpios?
2014-08-18T01:43:55 < kakeman> it's says all is good
2014-08-18T01:44:42 < kakeman> http://paste.dy.fi/uRZ
2014-08-18T01:45:17 < qyx_> oh, lpc1313 != lpc3131
2014-08-18T01:45:37 < effractur> how are you compiling it
2014-08-18T01:45:50 < effractur> the for loops could be removed by the compiler
2014-08-18T01:46:06 < kakeman> https://drive.google.com/file/d/0B2GcdpJiNGfKWUcwbTU3Vk80RzQ/edit?usp=sharing
2014-08-18T01:46:35 < kakeman> made my first lpc board before using any lpc
2014-08-18T01:47:50 < kakeman> so pin 1_4 is WAKEUP jumper pin on that board
2014-08-18T01:48:33 < kakeman> so there is no transistors driving leds or stuff that could cause anything
2014-08-18T01:48:53 < kakeman> it stays in weak pullup state
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2014-08-18T01:49:16 < effractur> check with a scope if it is switching the pin
2014-08-18T01:49:37 < kakeman> I use lpcxresso defaults with changed post-stuff
2014-08-18T01:49:45 < kakeman> so that ihex comes out
2014-08-18T01:50:09 < kakeman> I forgot to use scope
2014-08-18T01:50:28 < kakeman> need to be sure>
2014-08-18T01:50:44 < effractur> and no jtag?
2014-08-18T01:50:48 < effractur>  /swd
2014-08-18T01:51:04 < kakeman> my lpc-link board is comming some day
2014-08-18T01:51:12 < kakeman> trying to figure it out before
2014-08-18T01:51:49 < kakeman> should have made connector for it but almost all pins are assigned
2014-08-18T01:51:55 < kakeman> for stuff
2014-08-18T01:54:13 < kakeman> 3.279volts constant
2014-08-18T01:54:29 < effractur> and the ledpin?
2014-08-18T01:55:01 < kakeman> both led pins are same too
2014-08-18T01:55:26 < kakeman> if I pull those down with 6.8k resistor those drop to something like 300mV
2014-08-18T01:56:01 < kakeman> -> weak pull ups
2014-08-18T01:56:11 < kakeman> -> default state
2014-08-18T01:57:22 < kakeman> if I don't have jtag yet
2014-08-18T01:57:43 < kakeman> what is way to work this?
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2014-08-18T02:02:16 < kakeman> maybe when my lpc-link arrives i try to blink led with it forst
2014-08-18T02:02:19 < kakeman> first
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2014-08-18T02:07:55 < kakeman> it has target board with 17xx build in
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2014-08-18T02:52:10 < dongs> sup innovator pros
2014-08-18T02:54:18 < dongs> http://www.foxnews.com/politics/2014/08/17/hillary-clinton-requires-presidential-suite-for-speaking-engagements-report/ haha
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2014-08-18T03:00:15 < Laurenceb> lolz
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2014-08-18T03:36:26 < upgrdman> "normal" 0805, 0402, etc. are imperial, right?
2014-08-18T03:36:35 < jadew> yeah
2014-08-18T03:37:35 < jadew> http://s3-blogs.mentor.com/tom-hausherr/files/2011/03/table-1-chip-component-names.png
2014-08-18T03:37:38 < zyp> yeah, each two-digit number being 10 mils
2014-08-18T03:37:50 < zyp> so 0402 is 40x20 mils
2014-08-18T03:37:56 < upgrdman> i wonder of 02001 will fit between lqfp legs
2014-08-18T03:38:26 < zyp> 0.5mm long, so yeah, they should
2014-08-18T03:38:59 < kakeman> man.
2014-08-18T03:39:19 < kakeman> hillary clinton
2014-08-18T03:39:28 < jadew> can the p&p machine put them there tho?
2014-08-18T03:39:37 < upgrdman> not P&P'ing
2014-08-18T03:39:51 < upgrdman> i might need to bodge some caps on my pcb :)
2014-08-18T03:39:59 < upgrdman> well 1 cap per pcb
2014-08-18T03:40:38 < upgrdman> we'll see. im gonna add a cap between VDDA and VSSA to see if my readings get cleaner
2014-08-18T03:41:08 < kakeman> what side of states you guys live?
2014-08-18T03:41:17 < upgrdman> cali
2014-08-18T03:41:32 < dongs> wait
2014-08-18T03:41:34 < dongs> you didnt have a cap
2014-08-18T03:41:38 < dongs> on vdda?
2014-08-18T03:41:41 < dongs> fale
2014-08-18T03:42:06 < jadew> by readings you mean ADC?
2014-08-18T03:42:11 < zyp> kakeman, who guys? lots of people here not living in US at all
2014-08-18T03:42:20 < kakeman> me nether
2014-08-18T03:42:28 < upgrdman> i did, but no where near by :)
2014-08-18T03:42:35 < upgrdman> yes, such fail.
2014-08-18T03:42:44 < upgrdman> jadew: ya
2014-08-18T03:42:48 < zyp> kakeman, your nick kinda suggests you're norwegian?
2014-08-18T03:43:17 < kakeman> everybody says I'm blody norwegian
2014-08-18T03:43:29 < kakeman> finnish
2014-08-18T03:43:36 < upgrdman> bukakeman?
2014-08-18T03:43:51 < jadew> upgrdman, ideally you would isolate VDDA from VCC
2014-08-18T03:44:08 < kakeman> once went to states
2014-08-18T03:44:13 < jadew> with some sort of inductor
2014-08-18T03:44:22 < zyp> kakeman, shame, being norwegian is pretty good
2014-08-18T03:44:39 < qyx_> now do i become norwegian?
2014-08-18T03:44:47 < upgrdman> jadew: will consider that for Rev. B :)
2014-08-18T03:44:54 < kakeman> being finnish is fighting agony
2014-08-18T03:45:07 < kakeman> in dark cold forrest
2014-08-18T03:45:27 < kakeman> summer just ended here
2014-08-18T03:45:47 < jadew> oh, it was this week?
2014-08-18T03:45:59 < kakeman> last week
2014-08-18T03:46:13 < kakeman> 30celsius to 10celsius
2014-08-18T03:46:20 < zyp> I'm currently in the north of norway for a couple of days, it's awfully cold here compared to the south where I live
2014-08-18T03:46:32 < jadew> heh, I heard finland is pretty nice
2014-08-18T03:46:39 < jadew> a lot of empty land, but nice
2014-08-18T03:47:02 < zyp> travelled through Kiruna in Sweden on my way here, were like 3-4°C there
2014-08-18T03:47:17 < kakeman> at this moment 5c here
2014-08-18T03:47:44 < zyp> I'm just glad I'm flying back south on tuesday
2014-08-18T03:47:56 < jadew> 17°C here
2014-08-18T03:48:06 < jadew> and almost 40 during the day
2014-08-18T03:48:51 < kakeman> where?
2014-08-18T03:48:56 < jadew> romania
2014-08-18T03:49:34 < zyp> hmm, we should get you to go find izua and tell him that we miss him
2014-08-18T03:49:34 < jadew> the downside of a warmer climate is more dust tho
2014-08-18T03:49:40 < zyp> IIRC he lived in romania
2014-08-18T03:50:41 < jadew> you miss him?
2014-08-18T03:50:54 < jadew> oh, you said that
2014-08-18T03:52:30 < jadew> there's no way to actually clock the timers from a higher clock than the APB's, right?
2014-08-18T03:52:39 < zyp> wrong
2014-08-18T03:52:54 < qyx_> finally found some potentially usable embedded flash filesystem
2014-08-18T03:52:58 < qyx_> https://github.com/swift-nav/piksi_firmware/blob/a9ab327c12faeffc52c3d47c6998d1ce5c4a9977/src/cfs/cfs-coffee.c
2014-08-18T03:53:09 < qyx_> my eyes hurts when i see structs in .c files
2014-08-18T03:53:13 < qyx_> *hurt
2014-08-18T03:53:17 < zyp> newer chips will feed some of the timers with a faster clock than the bus clock
2014-08-18T03:53:23 < gxti> jadew: if you scale down APB then the timers run at 2x the APB clock
2014-08-18T03:53:27 < zyp> and you also have the option to feed in an external clock source
2014-08-18T03:53:32 < kakeman> can you guys show what kind of devices you are playing with?
2014-08-18T03:53:33 < jadew> zyp, yeah, but you can't get that clock externally, right?
2014-08-18T03:53:44 < gxti> MCO, if you really wanted to
2014-08-18T03:53:51 < dongs> that indentation is fucking painful to read
2014-08-18T03:54:00 < zyp> the GPIOs are only rated for 100MHz or so
2014-08-18T03:54:02 < jadew> gxti, yeah, but was thinking about feeding the clock from the trigger input
2014-08-18T03:54:26 < jadew> zyp, I believe the external clock is synchronized on the APB clock
2014-08-18T03:54:35 < zyp> maybe
2014-08-18T03:54:37 < jadew> which means it needs to be <= than that clock
2014-08-18T03:54:40 < zyp> haven't used it
2014-08-18T03:54:46 < dongs> how is piksi d oing anyway
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2014-08-18T03:54:51 < dongs> have tehy shipped something that works
2014-08-18T03:54:53 < qyx_> don't know
2014-08-18T03:54:56 < qyx_> it is acually from contiki
2014-08-18T03:55:04 < dongs> yeah i suspected that
2014-08-18T03:55:10 < dongs> contiki being the c64 lunix os?
2014-08-18T03:55:18 < qyx_> pls
2014-08-18T03:55:47 < qyx_> hm, i should try and see if it works
2014-08-18T03:55:53 < dongs> http://www.thingsquare.com/customers/ hyaha wat
2014-08-18T03:56:00 < dongs> lifx used htem..?
2014-08-18T03:57:17 < dongs> Atmel AVRTI CC2420micazYes
2014-08-18T03:57:19 < dongs> wyut
2014-08-18T03:57:24 < dongs> TI has CC2420 with AVR core?
2014-08-18T03:57:34 < jadew> hah, that's neat
2014-08-18T03:57:41 < zyp> heh
2014-08-18T03:57:41 < dongs> i dont think it is tho
2014-08-18T03:57:45 < dongs> and they're just trolling/being dumb
2014-08-18T03:57:52 < jadew> they're not
2014-08-18T03:58:03 < jadew> AVRs are one of the best cores out there
2014-08-18T03:58:20 < qyx_> hate "mica" and "mote" words
2014-08-18T03:58:44 < qyx_> couldn't they call them just like "nodes"
2014-08-18T03:59:05 < dongs> oh i see
2014-08-18T03:59:09 < dongs> that table is like separate
2014-08-18T03:59:12 < dongs> im dum
2014-08-18T03:59:19 < dongs> what a micaz
2014-08-18T03:59:22 < dongs> sounds liek some spic shit
2014-08-18T03:59:46 < dongs> New features and mechanisms:
2014-08-18T03:59:46 < dongs> New code style script
2014-08-18T03:59:49 < dongs> yaaa
2014-08-18T04:00:50 < qyx_>  /* Scan the flash memory sequentially otherwise. */
2014-08-18T04:00:52 < qyx_> not going to work
2014-08-18T04:02:18 < zyp> «MICAz is a mote from Crossbow technology. It is composed of the ATmega128L microcontroller and the CC2420 radio chip.»
2014-08-18T04:02:29 < dongs> woosh
2014-08-18T04:02:31 < kakeman> have you guys made board that uses mcu to generate itself operating voltage with buck converter circuit?
2014-08-18T04:02:42 < dongs> whoa, beaky 3.0
2014-08-18T04:03:00 < zyp> shit even has a jp wp page
2014-08-18T04:03:01 < zyp> http://ja.wikipedia.org/wiki/MICAz
2014-08-18T04:03:08 < dongs> kakeman: no we're too busy making SMPS with STM32F334
2014-08-18T04:03:56 < dongs> what the actual fuck is a mote
2014-08-18T04:04:00 < qyx_> a mesh node
2014-08-18T04:04:39 < zyp> dongs, I thought TI Hercules was the shit for making SMPS, so that you have two redundant CPUs in case one fails
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2014-08-18T04:06:19 < qyx_> be patient, i will show you how F401 fails at doing boost MPPT
2014-08-18T04:06:25 < qyx_> soon
2014-08-18T04:07:01 < kakeman> dongs: really?
2014-08-18T04:07:09 < dongs> yes
2014-08-18T04:07:37 < dongs> beaky is project leader
2014-08-18T04:08:30 < kakeman> do you have project hmm site? what are those called
2014-08-18T04:08:45 < dongs> its liveblogged here on irc
2014-08-18T04:08:52 < dongs> you have to idle to get updates
2014-08-18T04:09:25 < kakeman> what are you using it for?
2014-08-18T04:09:57 < kakeman> is there specific need?
2014-08-18T04:10:16 < GargantuaSauce> got a real hankerin' for some magic smoke
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2014-08-18T04:15:20 < kakeman> maybe I put some buck circuit aside with 5volt regulator
2014-08-18T04:15:34 < kakeman> i have seperate 3v3 regulator
2014-08-18T04:16:04 < kakeman> connected with 5v regulator output
2014-08-18T04:17:14 < kakeman> mcu boots and starts driving 5volt rail little bit above typical level with buck circuit
2014-08-18T04:17:42 < qyx_> wut
2014-08-18T04:17:55 < kakeman> or should I make 5v regulator to go little bit under 5volt
2014-08-18T04:18:42 < kakeman> in paraller 5v linear reg and buck circuit driven by mcu
2014-08-18T04:18:42 < qyx_> i can't even imagine what you are trying to do
2014-08-18T04:19:35 < kakeman> 3v3 linear reg uses 5volt rail as supply
2014-08-18T04:19:44 < kakeman> mcu uses 3v3 rail as supply
2014-08-18T04:20:30 < qyx_> and wheres the problem?
2014-08-18T04:21:04 < kakeman> just wondering aloud
2014-08-18T04:21:38 < kakeman> could it be that easy
2014-08-18T04:22:22 < qyx_> wy should the mcu drive 5V higher?
2014-08-18T04:22:25 < qyx_> *why
2014-08-18T04:22:50 < kakeman> to stop current via linear reg
2014-08-18T04:23:28 < qyx_> are you going like 12V->5V linear and then 5V->3.3V linear?
2014-08-18T04:23:46 < kakeman> more like 30V->5V
2014-08-18T04:24:05 < kakeman> losses are notable
2014-08-18T04:24:25 < qyx_> so use some dedicated buck switcher
2014-08-18T04:25:08 < qyx_> it will be definitelly cheaper than some hackish combination of linear reg and mcu driving mosfet driver driving mosfet
2014-08-18T04:25:33 < kakeman> yea
2014-08-18T04:25:35 < kakeman> and easy
2014-08-18T04:26:27 < qyx_> like L5973D or some newer alternatives
2014-08-18T04:29:35 < dongs> LM5008
2014-08-18T04:29:39 < dongs> futureproof with up to 100V in
2014-08-18T04:29:48 < kakeman> does it need mosfet driver? wouldn't pair of mosfets do?
2014-08-18T04:30:02 < dongs> it doesnt need anything just coil and diode and some passives.
2014-08-18T04:30:41 < kakeman> nice
2014-08-18T04:31:10 < qyx_> see MIC28510, the same price
2014-08-18T04:31:11 < kakeman> and it's cheaper
2014-08-18T04:31:56 < qyx_> or that LM part
2014-08-18T04:32:17 < qyx_> the MIC is only for cases you really need 4A..
2014-08-18T04:32:37 < kakeman> usually it's need for 100mA or so
2014-08-18T04:32:46 < dongs> qyx_: thats prety cool i wonder how cheap it is
2014-08-18T04:32:50 < kakeman> mcu + some shit + leds
2014-08-18T04:33:23 < dongs> oh lawd
2014-08-18T04:33:26 < dongs> it really is for 4A
2014-08-18T04:33:31 < dongs> nice PQFN or someshit package
2014-08-18T04:33:35 < dongs> with stuff on bottom
2014-08-18T04:33:48 < qyx_> there are even nicer ones
2014-08-18T04:33:53 < qyx_> like 12A
2014-08-18T04:34:03 < kakeman> 100V maann
2014-08-18T04:34:11 < dongs> i want absolutely cheapest shit for 75-100V < 1A
2014-08-18T04:36:27 < kakeman> bought some buck chip that was like 10euros with vat
2014-08-18T04:36:44 < kakeman> and old
2014-08-18T04:36:48 < qyx_> recently i found things like FAN2315
2014-08-18T04:37:04 < qyx_> 15A sync buck
2014-08-18T04:37:19 < kakeman> and needed a ton of extra shit
2014-08-18T04:38:08 < kakeman> haven't heard of micrel
2014-08-18T04:40:22 < kakeman> where do you need 15A 3v3 rail 8)
2014-08-18T04:40:28 < kakeman> ie.
2014-08-18T04:41:45 < qyx_> high pro stuff
2014-08-18T04:42:12 < qyx_> a bunch of high speed FPGA's can easilly eat 15A
2014-08-18T04:42:14 < kakeman> something very expensive stuff
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2014-08-18T04:50:19 < dongs> haha kicad for windows is 200megs
2014-08-18T04:50:26 < dongs> i wonder how many copies of WINE it comes with
2014-08-18T04:53:22 < baird> wxGTK being the culprit most likely..
2014-08-18T04:53:59 < qyx_> wine emulates api the other way around
2014-08-18T04:55:19 < kakeman> do you guys own copies of any nice expensive tools?
2014-08-18T04:56:39 < qyx_> no
2014-08-18T04:57:00 < dongs> i do
2014-08-18T04:58:10 < qyx_> the most expensive tool was Xilinx ISE which has eaten 20GB of my ssd space
2014-08-18T04:58:11 < kakeman> i don't own one
2014-08-18T04:58:32 < kakeman> but i may use one
2014-08-18T04:58:44 < kakeman> god I feel bad
2014-08-18T04:58:59 < qyx_> pls
2014-08-18T04:59:02 < qyx_> anyway, gn, 4am here
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2014-08-18T04:59:32 < dongs> qyx_: haha @ 20gb
2014-08-18T04:59:37 < dongs> yea ise is aids
2014-08-18T04:59:42 < dongs> helped mostly by the fact that its crossplatform
2014-08-18T04:59:49 < dongs> which means it works liek shit on all platforms
2014-08-18T05:00:13 < kakeman> 5am here
2014-08-18T05:01:41 < kakeman> nite guys o/
2014-08-18T05:03:09 < zyp> dongs, not OS X :(
2014-08-18T05:06:40 < dongs> not a big loss
2014-08-18T05:08:38 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 250 seconds]
2014-08-18T05:14:20 < dongs> https://www.youtube.com/watch?v=_21qj4C_eLk lol'd
2014-08-18T05:16:23 < zyp> nah, just a minor inconvenience
2014-08-18T05:24:05 < karlp> micaz isn't even available anymore, just lying around university labs
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2014-08-18T05:34:08 < dongs> i saw some prices on that jap site it was liek $400+
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2014-08-18T06:14:09 < dongs> holy shit, ADI sold its mems microphones biz to invensense
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2014-08-18T06:34:13 < upgrdman> what the advance of mems mics?
2014-08-18T06:34:18 < upgrdman> err advantage
2014-08-18T06:34:23 < dongs> low power i think
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2014-08-18T06:50:38 < dongs> zyp: DHL is cheapers for wires to norgay
2014-08-18T06:50:41 < dongs> $60
2014-08-18T06:50:43 < dongs> chepest.
2014-08-18T06:50:48 < dongs> they can undervalue the shit etc.
2014-08-18T06:58:25 < madist> upgrdman: from what I've seen the only advantage is that they occupy less space.
2014-08-18T07:06:52 < upgrdman> k
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2014-08-18T07:13:28 < damastaryu> Do you guys ever get 'load failed' when trying to load an ELF file? I'm not sure how to troubleshoot this :-(
2014-08-18T07:16:08 < upgrdman> i dont load with gdb, but:
2014-08-18T07:16:22 < upgrdman> does your target require connect-under-reset
2014-08-18T07:16:25 < upgrdman> and
2014-08-18T07:16:41 < upgrdman> try loading a bin without using gdb
2014-08-18T07:17:23 < jadew> any idea why I can't get SPI_CR bits to stick?
2014-08-18T07:17:38 < jadew> only SSM appears to stick
2014-08-18T07:18:21 < damastaryu> upgrdman: How do you load without gdb?
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2014-08-18T07:19:10 < jadew> actually, it appears they all stick, except SPE and MSTR
2014-08-18T07:21:02 < upgrdman> damastaryu: i use openocd
2014-08-18T07:21:13 < jadew> nvm, figured it out
2014-08-18T07:21:27 < upgrdman> but you would use whatever tool you use... openocd, stlink, some proprietary shit, etc.
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2014-08-18T07:39:35 < dongs> anyone done a rly lowpower design with L151 or similar?
2014-08-18T07:39:53 < dongs> LIS331EB quotes 800uA during "WFI sleep" which seems like total bullshit
2014-08-18T07:40:04 < dongs> STM32L151 is liek 4uA in sleep mode
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2014-08-18T07:50:42 < upgrdman> 0.8mA in sleep sounds fucking high
2014-08-18T07:51:01 < upgrdman> but i haven't messing with L stuff
2014-08-18T07:51:08 < upgrdman> messed*
2014-08-18T07:52:37 < upgrdman> nice color of shirt... "nigger brown"  http://www.ralph-lauren.us.com/mens-new-ralph-lauren-short-sleeved-dual-polo-niggerbrown-p-2044.html
2014-08-18T07:53:26 < jpa-> wfi sleep is like "peripherals running, only core is sleeping"
2014-08-18T07:54:06 < dongs> jpa-: theres a section 10.1 in LIS331EB, its actually like 'almsot nothing runing'
2014-08-18T07:54:09 < dongs> at 800uA
2014-08-18T07:54:12 < jpa-> uh
2014-08-18T07:54:14 < dongs> tahts still a fuckton for something that c laaims to be "low power
2014-08-18T07:55:07 < jpa-> http://essentialscrap.com/doglight/   this was like 2mA tops (stm32l151), when running accelerometer and LED
2014-08-18T07:56:32 < jpa-> 2µA at deepest sleep
2014-08-18T07:56:48 < jpa-> (which includes the accelerometer standby current)
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2014-08-18T07:58:42 < dongs> impress
2014-08-18T08:01:20 < jpa-> though in the grand scope of things, the deepest sleep current of stm32L151 is not particularly great, it is still way less than 800µA :P
2014-08-18T08:03:11 < dongs> right
2014-08-18T08:03:28 < dongs> either that datasheet is bs or they're running something constantly or no idea
2014-08-18T08:08:30 < jpa-> probably just coded stupidly and it never enters the lowest power modes
2014-08-18T08:08:52 < jpa-> fortunately it seems to have that "reset mode"
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2014-08-18T08:10:38 < jpa-> hmm though that may not help much
2014-08-18T08:10:45 < jpa-> i'm probably misunderstanding that chip :P
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2014-08-18T08:11:43 < jpa-> is it like accelerometer coupled with poorly documented stm32 variant?
2014-08-18T08:12:42 < jpa-> if it is really on the same die, the MEMS process for the accelerometer could limit the low-powerness of the stm32
2014-08-18T08:14:04 < dongs> accelerometer itself is 11uA @ 3Hz ODR
2014-08-18T08:14:19 < jpa-> yeah, but accelerometer's digital stuff is simple
2014-08-18T08:14:45 < dongs> it does kinda sux cuz i thought it would be a memory mapped peripheral
2014-08-18T08:14:49 < dongs> but it sjust connected internally by I2C
2014-08-18T08:14:51 < dongs> NOT IMPRESSED
2014-08-18T08:14:59 < dongs> just gonna use L0+ and some low-power accel standalone
2014-08-18T08:22:38 < madis_> have they figured that out already ? (how to do MEMS on the same die as the transistors)
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2014-08-18T08:24:54 < jpa-> madis_: uh, most MEMS sensors have transistors on the same die.. they are just bad transistors :D
2014-08-18T08:25:18 < jpa-> and judging by the 800µA idle current, maybe so are the ones on that integrated L0
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2014-08-18T08:53:55 < upgrdman> YES! decoupling wasn't my problems with shitty ADC readings. just needed to put a 104 cap across the voltage divider used to sense battery voltage. can't believe i didn't think of that earlier.
2014-08-18T08:54:23 < upgrdman> well i guess that's still decoupling, but not vssa/vdda decoupling
2014-08-18T08:55:36 < upgrdman> so i'm using     batt+ > 47kOhm > tap to adc > 10kOhm > ground. and without a 104 between the tap and ground i would get blips consistent with ADC sampling. what kind of impedance does the ADC present?
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2014-08-18T09:00:48 < jpa-> upgrdman: the ADC has 4pF sampling capacitor
2014-08-18T09:01:03 < jpa-> the impedance and the load it presents depends on your sample time and sample rate
2014-08-18T09:01:44 < upgrdman> k thanks
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2014-08-18T09:38:56 < upgrdman> lolwut   https://www.youtube.com/watch?v=1imL5zGD_h0&list=PL78710AFED969FBE9&index=44
2014-08-18T09:41:41 < dongs> saved
2014-08-18T09:41:56 < upgrdman> lol
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2014-08-18T10:44:30 < dongs> what do you think uses less power SPI or I2C
2014-08-18T10:45:49 < jpa-> SPI
2014-08-18T10:46:01 < jpa-> and more reliable also
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2014-08-18T11:00:38 < dongs> jpa, because of pullups on i2c opendrain?
2014-08-18T11:00:51 < dongs> wasting current or someshit.
2014-08-18T11:01:19 < jpa-> yes
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2014-08-18T11:01:46 < jpa-> and with explicit chip-select on SPI, keeps the other chips offline if you have multiple on the same bus
2014-08-18T11:01:57 < dongs> yeah
2014-08-18T11:02:04 < dongs> tho this wont be a problem for thi sshit
2014-08-18T11:02:16 < dongs> since thres onyl one device
2014-08-18T11:04:22 < jpa-> also with I2C pull-up crap, if you have low resistance you waste power in pull-up, and if you have high resistance the signal changes slowly => wastes power in input pins when they are in mid-state
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2014-08-18T12:49:10 < dongs> http://i.imgur.com/TmWu3VS.jpg
2014-08-18T12:53:20 < TheSeven> so US export laws forbid selling STM32's with hash/crypto unit to EU countries (Germany)!?
2014-08-18T12:53:30 < TheSeven> are they kidding me?
2014-08-18T12:54:43 < dongs> yes
2014-08-18T12:54:48 < dongs> if it was me
2014-08-18T12:54:52 < Laurenceb_> kiddy fiddling you
2014-08-18T12:54:53 < dongs> i'd prohibit shipping anything to germany
2014-08-18T12:54:55 < dongs> their customs suck dick
2014-08-18T12:55:02 < TheSeven> that for sure
2014-08-18T12:55:13 < TheSeven> but this time US customs seem to be the cause :P
2014-08-18T12:55:19 < dongs> TheSeven: buy from mouser
2014-08-18T12:55:21 < dongs> they dont care
2014-08-18T12:55:22 < dongs> digieky does
2014-08-18T12:55:41 < TheSeven> dongs: mouser just refused that
2014-08-18T12:55:45 < dongs> hm really
2014-08-18T12:55:51 < dongs> i remembver i ccouldnt buy accelerometers and shit form dk
2014-08-18T12:56:01 < TheSeven> "this product is not available in your country due to U.S. export laws"
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2014-08-18T13:05:55 < TheSeven> anyone here who has used the FSMC? especially with SDRAM? is that worth it? ;)
2014-08-18T13:08:47 < CoolBear> TheSeven: Maybe they were spying on Merkel for a reason, to see if she had imported any?
2014-08-18T13:08:57 < TheSeven> lol
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2014-08-18T13:14:53 < Steffanx> TheSeven, the FSMC doesnt work with SDRAM, the FMC which comes with 4x9 (or something) does ;)
2014-08-18T13:15:38 < TheSeven> yes, I'm debating on whether to use an F429IG or an F407IG
2014-08-18T13:16:06 < TheSeven> I guess SDRAM has worse access latency?
2014-08-18T13:16:21 < TheSeven> does it have an advantage, except for price/density?
2014-08-18T13:16:22 < jpa-> the controller has cache, though
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2014-08-18T13:20:19 < Steffanx> Get a f429 disco, play around with the sdram and see if it's worth it TheSeven?
2014-08-18T13:20:45 < TheSeven> that doesn't give me a comparison to SRAM though
2014-08-18T13:21:15 < Steffanx> no true
2014-08-18T13:21:25 < jpa-> if you do mostly serial access, sdram is probably faster than external sram
2014-08-18T13:25:29 < Steffanx> At least the f429 doesnt have this wonderful DMA2 data corruption issue :P
2014-08-18T13:25:41 < Steffanx> Not sure if that's relevant for you, but.. who knows
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2014-08-18T13:49:43 < zyp> dongs, ok, fine
2014-08-18T13:50:01 < dongs> OK
2014-08-18T14:12:14 < dongs> emailed. but I guess you can just send 60bux there, (same as w ire invoice), or can wait until tomrorw ~10am jp time
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2014-08-18T14:19:03 < Sync_> hm
2014-08-18T14:25:23 < TheSeven> does someone have a clue if it's possible without too much effort to modify the f429i-disco board to free up a lot of pins?
2014-08-18T14:25:48 < TheSeven> e.g. modify display to be serial only, remove all kinds of other pointless peripherals, ...
2014-08-18T14:26:12 < TheSeven> I guess one has to cut a bunch of traces on that board...
2014-08-18T14:27:03 < dongs> not sure if you missed the memo
2014-08-18T14:27:06 < dongs> but whole purpose of 429disco
2014-08-18T14:27:14 < dongs> is to hookup lcd to fsmc so you can use the gpu
2014-08-18T14:27:19 < dongs> and sdram controller
2014-08-18T14:27:25 < jpa-> TheSeven: how many pins do you need?
2014-08-18T14:27:42 < TheSeven> I need to get rid of everything that collides with RMII most importantly
2014-08-18T14:28:07 < TheSeven> and I figure that the LCD would still be plenty fast through SPI
2014-08-18T14:28:09 < dongs> is 429 pin compatible with 407?
2014-08-18T14:28:26 < TheSeven> 429 should be a drop in replacement for 407 IIUC
2014-08-18T14:28:29 < dongs> if so, just get a wvshare core board that breaks out 100pin qfp or whatever
2014-08-18T14:29:02 < dongs> oh they have a 429 core
2014-08-18T14:29:10 < dongs> http://www.wvshare.com/product/Core429I.htm
2014-08-18T14:29:11 < dongs> 30 bucks
2014-08-18T14:29:21 < TheSeven> that site seems to be down?
2014-08-18T14:29:30 < dongs> how did i just open it hten
2014-08-18T14:29:43 < dongs> haha, that already HAS sdram on board
2014-08-18T14:29:50 < dongs> for 30bucks.
2014-08-18T14:30:31 < Sync_> >2mm header
2014-08-18T14:30:44 < TheSeven> well the discovery is 329 + RAM + display + touchscreen for 30 bucks :P
2014-08-18T14:31:01 < dongs> TheSeven: + having to cut traces and fail at it, throwing away 30bucks
2014-08-18T14:31:02 < TheSeven> so if I could just remove some traces easily and switch the LCD to SPI, that would be awesome
2014-08-18T14:31:06 < jpa-> and how much time wasted cutting traces?
2014-08-18T14:31:17 < jpa-> isn't the LCD on the same pins as sdram anyway?
2014-08-18T14:31:30 < jpa-> TheSeven: have you checked what conflicts with RMII anyway?
2014-08-18T14:31:43 < dongs> download stm32cubeMX
2014-08-18T14:31:47 < dongs> filthy java gui shit
2014-08-18T14:31:57 < Steffanx> dongs wvshare is always EXTREMELY slow.. from europe (i think)
2014-08-18T14:32:10 < dongs> Steffanx: its like instant here duno why
2014-08-18T14:32:15 < zyp> works nicely from here
2014-08-18T14:32:26 < dongs> and no i'm not hosting it in my bedroom
2014-08-18T14:32:26 < Steffanx> Downloads: ~10-20kbps or something like that
2014-08-18T14:32:35 < jpa-> works fine for me
2014-08-18T14:32:39 < dongs> what pin package is on 429disco
2014-08-18T14:32:41 < dongs> 100qfp?
2014-08-18T14:32:42 < dongs> or 144
2014-08-18T14:32:56 < Steffanx> i guess scandinavia has a higher priority :P
2014-08-18T14:33:35 < dongs> looks like ZIT6
2014-08-18T14:33:36 < dongs> 144
2014-08-18T14:33:37 < jpa-> or better routes
2014-08-18T14:33:55 < Steffanx> jpa-, wget http://www.wvshare.com/downloads/accBoard/USB3300-USB-HS-Board.7z .. how fast is that?
2014-08-18T14:33:58 < dongs> RMII only needs like 9 pins
2014-08-18T14:34:00 < Steffanx> 5kbps here
2014-08-18T14:34:09 < Steffanx> KB*
2014-08-18T14:34:10 < jpa-> can't bother
2014-08-18T14:34:13 < TheSeven> LCD DB9/G5, USB QC, USB PSO, L3GD20 CS, USB ID, USB VBUS, L3GD20 INT1, L3GD20 INT2 and ACP_RF RST are conflicting from what it seems
2014-08-18T14:34:20 < TheSeven> some of those can probably be kept as is though
2014-08-18T14:34:29 < Steffanx> yes you can
2014-08-18T14:34:49 < jpa-> desolder L3GD20 and run LCD in 8-bit mode?
2014-08-18T14:35:08 < zyp> why not get a full devboard with RMII already broken out if that's what you want to use?
2014-08-18T14:35:20 < dongs> because he's being a cheapfuck
2014-08-18T14:35:22 < jpa-> maybe even a phy connected
2014-08-18T14:35:24 < dongs> i alreadyt offered that option
2014-08-18T14:35:33 < dongs> Steffanx: 20:35:18 (40.16 KB/s) - `USB3300-USB-HS-Board.7z' saved [1570202/1570202]
2014-08-18T14:35:35 < zyp> if your time is worth anything, that'd be the cheapest option
2014-08-18T14:36:08 < dongs> http://www.wvshare.com/img/devkit/Core429I/Core429I-3.jpg you can get it inside this, and with a PHY breakout board of <$100 totalshipped, iom sure
2014-08-18T14:37:55 < dongs> 67 bucks for core+breakout, http://www.wvshare.com/column/Accessory_Boards.htm#Ethernet 10 bucks for DP83848 ethernet breakout. done.
2014-08-18T14:38:06 < Steffanx> ebaying it in the wvshare store can be cheaper i you only want a few modules.
2014-08-18T14:38:21 < dongs> ya , store is free shipping
2014-08-18T14:38:24 < Steffanx> As that's without shipping (included in product iirc)
2014-08-18T14:38:31 < Steffanx> *product price
2014-08-18T14:39:21 < dongs> lol best offer
2014-08-18T14:40:09 < dongs> http://www.ebay.com/itm/261557242179 + http://www.ebay.com/itm/260868624339 done
2014-08-18T14:40:15 < dongs> just under $100.
2014-08-18T14:42:57 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##stm32
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2014-08-18T14:50:12 < TheSeven> hm, are the SDRAM pins broken out on that core board?
2014-08-18T14:50:25  * TheSeven wonders how susceptible those would be to signal integrity issues
2014-08-18T14:56:15 < dongs> surely less issues than your "cut traces" on 429-disco
2014-08-18T14:57:40 < dongs> hey digipee has l0
2014-08-18T14:57:54 < dongs> hm just the nasty sized qfp version
2014-08-18T14:58:48 < Steffanx> but your pro-tools dont care about nasty sizes do they?
2014-08-18T14:59:01 < dongs> i care about sizes in this proj
2014-08-18T14:59:04 < dongs> qfp48 is too big
2014-08-18T14:59:16 < Steffanx> oh, nasty as in too big
2014-08-18T15:00:01 < zyp> rather expensive too
2014-08-18T15:00:11 < dongs> Ya.
2014-08-18T15:00:16 < dongs> i dont see QFN in stock anywehre
2014-08-18T15:00:17 < dongs> gay.
2014-08-18T15:00:28 < dongs> i might have to do  reverse qfp to mount this then
2014-08-18T15:00:42 < zyp> heh
2014-08-18T15:00:44 < dongs> http://i.imgur.com/8UsOq9t.jpg like this
2014-08-18T15:00:56 < dongs> might not work as well for .5mm pitch tho
2014-08-18T15:01:28 < dongs> anyway qfp48 will do for prototyping.
2014-08-18T15:01:54 < dongs> ohh, there's taht LQFP32
2014-08-18T15:02:01 < dongs> thats just like the one in my pic
2014-08-18T15:02:35 < zyp> so what you really want is wlcsp36? :p
2014-08-18T15:03:37 < zyp> huh, there's a 1.2mm pitch bga64
2014-08-18T15:03:52 < dongs> TFBGA64?
2014-08-18T15:03:55 < zyp> yeah
2014-08-18T15:03:55 < dongs> no way its 1.2
2014-08-18T15:04:04 < dongs> its 5x5mm
2014-08-18T15:04:06 < zyp> hmm, no
2014-08-18T15:04:14 < zyp> 1.2mm thickness
2014-08-18T15:04:15 < zyp> :p
2014-08-18T15:04:31 < dongs> i have 30 of F103's in BGA
2014-08-18T15:04:38 < dongs> they;re: SMALL
2014-08-18T15:05:38 < dongs> and i need microvias to fanout
2014-08-18T15:05:57 < dongs> apparently drilling for 05mm pitch violates IPC rules
2014-08-18T15:06:04 < dongs> it stresses teh material too much or someshit
2014-08-18T15:06:46 < karlp> Steffanx: wvshare is only ~6KB/sec here too
2014-08-18T15:06:57 < dongs> your countries suck
2014-08-18T15:08:00 < Laurenceb_> http://hackaday.com/2014/08/18/the-hackaday-antiduino-browser-plugin/
2014-08-18T15:09:44 < Fleck> lol, nice plugin!
2014-08-18T15:10:04 < dongs> well, that assumes anyone reads failaday anyway
2014-08-18T15:10:08 < dongs> isnt 99% of their shit tardruino
2014-08-18T15:11:08 < Fleck> looks like you are reading :D
2014-08-18T15:11:55 < dongs> Nope, you are wrong. For anything just a little bit more complex than blinking a LED arduino is huge pain in the ass and a waste of time.
2014-08-18T15:13:06 < jpa-> how about annoying thousands of people online? can your stm32 do that, hmm?
2014-08-18T15:13:09 < Fleck> sure, stm32 is the way!
2014-08-18T15:15:31 < Laurenceb_> http://pastebin.com/7BNBizeP
2014-08-18T15:16:30 < dongs> typical unfunny brit shit
2014-08-18T15:18:22 < dongs> im not sure if i should bother with reverse mount for a prototype
2014-08-18T15:20:28 < Steffanx> it looks bad ass so, yes you should
2014-08-18T15:21:33 < dongs> rtc xtal is 32.768 right
2014-08-18T15:21:47 < jpa-> usually yeah
2014-08-18T15:21:55 < jpa-> you can use others if you really want to
2014-08-18T15:22:22 < dongs> why are those ugly huge 4pin packages more expnesive than a flat thin one
2014-08-18T15:22:54 < dongs> http://www.digikey.com/product-detail/en/ABS25-32.768KHZ-6-T/535-10240-1-ND/2218053 like this
2014-08-18T15:23:09 < jpa-> price always varies between vendors
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2014-08-18T15:23:24 < jpa-> one day it is cheaper, other day more expensive
2014-08-18T15:23:36 < dongs> hm again different pF load shit too
2014-08-18T15:23:48 < dongs> looks like 12.5 is most common
2014-08-18T15:24:49 < dongs> http://www.digikey.com/product-detail/en/9HT10-32.768KDZF-T/887-1504-1-ND/2690372 this looks ok
2014-08-18T15:26:02 < Laurenceb_> i use those on dataloggers
2014-08-18T15:26:06 < Laurenceb_> works ok
2014-08-18T15:26:15 < dongs> ^ that exact one?
2014-08-18T15:26:19 < Laurenceb_> yes
2014-08-18T15:26:26 < Laurenceb_> ive trimmed them now
2014-08-18T15:26:31 < dongs> hm piezo transducers are expensive as shit now
2014-08-18T15:26:34 < Laurenceb_> using drift over a few months
2014-08-18T15:26:38 < dongs> what else choice do I have for a small speaker
2014-08-18T15:26:52 < Laurenceb_> drift is now about 1s/month on average
2014-08-18T15:26:57 < jpa-> a normal speaker with coil? easier to drive too
2014-08-18T15:27:12 < jpa-> though strange if piezos are costly
2014-08-18T15:27:13 -!- timemob [~dongs@g1-27-253-251-8.bmobile.ne.jp] has quit [Ping timeout: 272 seconds]
2014-08-18T15:27:36 < dongs> http://www.digikey.com/product-detail/en/APS3008S-R/668-1266-ND/3232356 all speker, piezo category = $6+
2014-08-18T15:29:28 -!- trepidaciousMBR [~trepidaci@dsl-217-155-137-246.zen.co.uk] has quit [Quit: trepidaciousMBR]
2014-08-18T15:29:28 < jpa-> the non-piezos seem to be cheap
2014-08-18T15:33:02 < karlp> sparkfun sells piezzo speakers for $1.9, must be somethign wrong
2014-08-18T15:33:37 < dongs> piezo buzzers?
2014-08-18T15:33:47 < karlp> yeah
2014-08-18T15:33:58 < jpa-> buzzers are cheap on digikey also
2014-08-18T15:34:12 < jpa-> can't see why anyone would want raw piezo anyway, they are a pain to drive
2014-08-18T15:34:35 < dongs> http://static.flickr.com/31/53523608_3d4268ba68_o.jpg
2014-08-18T15:34:49 < dongs> i think that'll do
2014-08-18T15:34:54 < dongs> is this a "piezo buzzer"?
2014-08-18T15:35:15 < Laurenceb_> its serious business
2014-08-18T15:35:32 < dongs> http://www.digikey.com/product-detail/en/CEP-1110/102-1144-ND/412403 wiss
2014-08-18T15:35:43 < dongs> 24mm
2014-08-18T15:35:47 < dongs> k, i think im in biz
2014-08-18T15:35:56 < dongs> ill just mount my pcb right behind that shit
2014-08-18T15:36:21 < jpa-> dongs: if it beeps with DC voltage, then it is a buzzer
2014-08-18T15:36:32 < dongs> wait
2014-08-18T15:36:32 < dongs> 10V
2014-08-18T15:36:34 < dongs> fucking
2014-08-18T15:36:45 < jpa-> if it requires AC drive at 20V, then it is a piezo speaker
2014-08-18T15:36:59 < dongs> i need something that buzzses at like 1.8-3V
2014-08-18T15:37:22 < dongs> wait that shit is a self-driving buzzer
2014-08-18T15:37:25 < dongs> at fixed rfreq
2014-08-18T15:37:39 < jpa-> so do you want fixed frequency or not?
2014-08-18T15:37:44 < dongs> no
2014-08-18T15:37:46 < dongs> i wan to pwm it
2014-08-18T15:37:48 < dongs> to make noise
2014-08-18T15:37:52 < jpa-> put a normal magnetic speaker
2014-08-18T15:38:02 -!- timemob [~dongs@g1-27-253-251-5.bmobile.ne.jp] has joined ##stm32
2014-08-18T15:38:41 < dongs> hm
2014-08-18T15:38:47 < dongs> jpa-: but thats not loud?
2014-08-18T15:39:01 < jpa-> sure it is
2014-08-18T15:39:31 < jpa-> you can drive quite much power to a 4 ohm speaker at even 1.8 V
2014-08-18T15:39:37 -!- tim3mob [~dongs@g1-27-253-251-5.bmobile.ne.jp] has joined ##stm32
2014-08-18T15:39:50 < dongs> i was hoping to just have a fet
2014-08-18T15:39:51 < jpa-> just needs a bit of casing, like any speaker
2014-08-18T15:39:57 < jpa-> would work
2014-08-18T15:41:09 -!- t1memob [~dongs@g1-27-253-251-5.bmobile.ne.jp] has quit [Ping timeout: 272 seconds]
2014-08-18T15:41:19 -!- t1memob [~dongs@g1-27-253-251-11.bmobile.ne.jp] has joined ##stm32
2014-08-18T15:41:23 < dongs> hm piezo shit is all 10+ Vpp
2014-08-18T15:42:35 < Steffanx> You can still pwm a piezo buzzer not?
2014-08-18T15:43:03 -!- timemob [~dongs@g1-27-253-251-5.bmobile.ne.jp] has quit [Ping timeout: 272 seconds]
2014-08-18T15:43:28 < Steffanx> And make awful "music"
2014-08-18T15:43:56 -!- tim3mob [~dongs@g1-27-253-251-5.bmobile.ne.jp] has quit [Ping timeout: 240 seconds]
2014-08-18T15:47:11 < Laurenceb_> https://www.youtube.com/watch?v=S95ZJSSZjBo
2014-08-18T15:47:53 < baird> Bleeding edge
2014-08-18T15:53:56 < dongs> OK
2014-08-18T15:54:29 < Steffanx> ok
2014-08-18T15:57:30 < dongs> hm
2014-08-18T15:57:35 < dongs> low response on these cheap small speakers is trash
2014-08-18T15:57:39 < dongs> starts with like 400Hz???
2014-08-18T15:57:41 < dongs> da fuq
2014-08-18T16:04:29 -!- DanteA [~X@host-125-157-66-217.spbmts.ru] has joined ##stm32
2014-08-18T16:05:35 -!- trepidaciousMBR [~trepidaci@dsl-217-155-137-246.zen.co.uk] has joined ##stm32
2014-08-18T16:07:24 < dongs> http://www.digikey.com/product-detail/en/CDM-13008/102-2495-ND/2791825 y/n/m
2014-08-18T16:08:16 < Sync_> they are seriously expensive o0
2014-08-18T16:08:30 < dongs> definitely
2014-08-18T16:12:11 -!- madist [madist@unaffiliated/madist] has joined ##stm32
2014-08-18T16:12:22 -!- blight [~greg@reactos/developer/blight] has quit [Quit: Konversation terminated!]
2014-08-18T16:14:23 < dongs> jpa, haha, you even powered the accel from GPIO pin?
2014-08-18T16:14:33 -!- blight [~greg@reactos/developer/blight] has joined ##stm32
2014-08-18T16:16:57 < dongs> just noticed, had schematic still open while closing browser windows
2014-08-18T16:25:34 -!- IkedaChitose [~Kuro@177.45.247.152] has joined ##stm32
2014-08-18T16:25:50 < dongs> http://www.digikey.com/product-detail/en/STM32L0538-DISCO/497-14709-ND/4866483 ohh
2014-08-18T16:25:53 < dongs> is that the one with epaper??
2014-08-18T16:26:16 < Steffanx> looks like it
2014-08-18T16:26:21 < dongs> sweet
2014-08-18T16:26:29 < dongs> and that gives me free shipping
2014-08-18T16:26:30 < dongs> yipee
2014-08-18T16:27:01 -!- Sync_ is now known as _Sync_
2014-08-18T16:27:48 < CoolBear> \o/
2014-08-18T16:27:55  * CoolBear likes free shipping.
2014-08-18T16:28:32 -!- Geleia [~Kuro@177.95.119.126] has quit [Ping timeout: 250 seconds]
2014-08-18T16:29:35 < dongs> ordered
2014-08-18T16:29:36 < dongs> yay
2014-08-18T16:33:05 -!- DanteA [~X@host-125-157-66-217.spbmts.ru] has quit [Ping timeout: 272 seconds]
2014-08-18T16:35:00 -!- barthess [~barthess@86.57.155.106] has quit [Remote host closed the connection]
2014-08-18T16:35:28 < dongs> There's a message saying that project was cancelled, but my baker valeu still applying and going on. I need to baker it again? Where's the new link?
2014-08-18T16:36:08 -!- barthess [~barthess@86.57.155.106] has joined ##stm32
2014-08-18T16:40:56 < dongs> http://gfycat.com/UnselfishFriendlyLabradorretriever
2014-08-18T16:43:09 -!- Amkei [~Amkei@unaffiliated/amkei] has joined ##stm32
2014-08-18T16:46:26 < Steffanx> it looks better in reverse.
2014-08-18T16:47:02 -!- Intelaida [~webchat@188.134.9.161] has quit [Quit: Page closed]
2014-08-18T16:47:20 < dongs> do tell
2014-08-18T16:47:30 < dongs> oh ahahah
2014-08-18T16:47:33 < dongs> that is e pic
2014-08-18T16:47:36 -!- Cyric [~Cyric@cCAE7653E.static.as2116.net] has quit [Ping timeout: 256 seconds]
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2014-08-18T16:53:59 < jpa-> dongs: oh, maybe i did :D
2014-08-18T16:54:05 < dongs> you did
2014-08-18T16:54:12 < jpa-> didn't remember :P
2014-08-18T16:55:04 -!- Tectu [~Tectu@78-167.60-188.cust.bluewin.ch] has quit [Quit: Leaving]
2014-08-18T16:57:46 < dongs> ahahhaahah
2014-08-18T16:57:53 < dongs> my pal is trying to isntall some node.js trash
2014-08-18T16:58:06 < dongs> and it requires PYTHON > 2.5 < 3.4
2014-08-18T16:58:11 < dongs> er
2014-08-18T16:58:13 < dongs> < 3.0
2014-08-18T16:58:15 < dongs> and he has 3.4 on
2014-08-18T16:58:16 < dongs> lool
2014-08-18T16:58:25 < dongs> such FUCKING FAIL
2014-08-18T17:00:26 -!- rigid [~rigid@unaffiliated/rigid] has quit [Ping timeout: 260 seconds]
2014-08-18T17:00:46 -!- tkoskine [~tkoskine@irc.tkoskine.me] has quit [Ping timeout: 272 seconds]
2014-08-18T17:02:07 -!- scrts_w [528ddb42@gateway/web/freenode/ip.82.141.219.66] has quit [Ping timeout: 246 seconds]
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2014-08-18T17:03:58 -!- rigid [~rigid@unaffiliated/rigid] has joined ##stm32
2014-08-18T17:04:05 < jpa-> dongs: well you can install python3 and python2 in parallel
2014-08-18T17:04:28 < dongs> i dont want to install ANY python
2014-08-18T17:04:40 < jpa-> sure you do
2014-08-18T17:04:56 -!- baird_ [~cjb@ppp121-44-118-192.lns20.syd6.internode.on.net] has joined ##stm32
2014-08-18T17:04:57 < jpa-> at night the python will crawl to your bed and import you
2014-08-18T17:09:58 < dongs> LIS3DH seems to be quite low pwoer
2014-08-18T17:10:35 < jpa-> yeah and it has arduino code for it
2014-08-18T17:12:03 -!- Netsplit *.net <-> *.split quits: twixx, baird, ossifrage
2014-08-18T17:12:08 -!- Cyric [~Cyric@138.62.237.26] has joined ##stm32
2014-08-18T17:13:57 < qyx_> quite expensive discovery
2014-08-18T17:14:07 < qyx_> i like the epaper
2014-08-18T17:14:16 < dongs> qyx_: epaper!1111
2014-08-18T17:14:26 < jpa-> i wonder what people do with those tiny epaper displays
2014-08-18T17:14:42 < qyx_> display stuff
2014-08-18T17:14:48 < qyx_> i have seen some in shops
2014-08-18T17:15:06 < Lux> pricetags
2014-08-18T17:15:10 < qyx_> yep
2014-08-18T17:15:19 < jpa-> yeah, pricetags is pretty much the only application i have seen
2014-08-18T17:15:20 < zyp> the l0 discovery?
2014-08-18T17:15:24 < zyp> I just ordered one
2014-08-18T17:16:03 < qyx_> i would like to have that display only
2014-08-18T17:16:05 < dongs> me2
2014-08-18T17:16:22 < jpa-> can't you buy it on mouser or digikey?
2014-08-18T17:16:29 < dongs> the epaper?
2014-08-18T17:16:34 < dongs> do tehy even have any epeaper there
2014-08-18T17:16:59 < Laurenceb_> huh
2014-08-18T17:17:04 < jpa-> http://www.digikey.com/product-detail/en/EK014AS014/EK014AS014-ND/4437987
2014-08-18T17:17:06  * Laurenceb_ googles
2014-08-18T17:17:08 < dongs> http://www.lcd-module.de/fileadmin/pdf/grafik/epa20-a.pdf
2014-08-18T17:17:12 < dongs> 40 bucks wat
2014-08-18T17:17:27 < Laurenceb_> http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF260319?sc=stm32l0-discovery
2014-08-18T17:17:30 < Laurenceb_> sweet
2014-08-18T17:17:44 < qyx_> hm, that caramel pudding is cheaper
2014-08-18T17:17:54 < qyx_> they cost like $40 on ebay
2014-08-18T17:18:20 -!- ossifrage [~ossifrage@c-71-224-59-2.hsd1.pa.comcast.net] has joined ##stm32
2014-08-18T17:18:33 < Fleck> here dongs: https://www.youtube.com/watch?v=7CotisrQvsc
2014-08-18T17:18:52 < qyx_> woohoo, spi interface O_o
2014-08-18T17:19:00 < qyx_> 128x96 is not much though
2014-08-18T17:19:10 < dongs> Fleck: wat the fuck am i looking at
2014-08-18T17:19:21 < dongs> tl;dw
2014-08-18T17:19:47 -!- MrMobius [~Joey@c-98-223-189-47.hsd1.in.comcast.net] has joined ##stm32
2014-08-18T17:19:47 < jpa-> qyx_: http://www.digikey.com/product-detail/en/EM027BS013/EM027BS013-ND/4898785
2014-08-18T17:21:23 < qyx_> lol the capacitors
2014-08-18T17:24:50 -!- Cyric [~Cyric@138.62.237.26] has quit [Quit:  HydraIRC -> http://www.hydrairc.com <- It'll be on slashdot one day...]
2014-08-18T17:26:24 < qyx_> hmm, 20eur @ farnell for L0 disco
2014-08-18T17:26:37 -!- tkoskine [~tkoskine@irc.tkoskine.me] has joined ##stm32
2014-08-18T17:27:05 < dongs> yes, its 30usd at digikey
2014-08-18T17:27:07 < dongs> sounds reasonable?
2014-08-18T17:27:28 < qyx_> half the prices is that epd probably
2014-08-18T17:27:32 < qyx_> -s
2014-08-18T17:27:33 < dongs> ya
2014-08-18T17:27:40 -!- baird_ [~cjb@ppp121-44-118-192.lns20.syd6.internode.on.net] has quit [Quit: Konversation terminated!]
2014-08-18T17:39:17 < Laurenceb_> http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1581?s_searchtype=keyword
2014-08-18T17:39:18 < Laurenceb_> noooooooo
2014-08-18T17:39:21 < Laurenceb_> NRND
2014-08-18T17:40:17 < Steffanx> oh they're now all nrnd, wasn the last one(HB) still "active"
2014-08-18T17:40:32 < Laurenceb_> yeah
2014-08-18T17:40:36 < jpa-> luls, they finally realized how useless they were
2014-08-18T17:40:53 < Laurenceb_> internet of things
2014-08-18T17:42:09 -!- tonyarkles [~aja042@207.195.86.210] has joined ##stm32
2014-08-18T17:43:12 < zyp> haven't they been NRND for months already?
2014-08-18T17:43:14 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Read error: Connection reset by peer]
2014-08-18T17:43:49 < dongs> oho stm32w is nrnd?
2014-08-18T17:43:56 < dongs> i guess nobody wanted them cuz all the docs were NDA
2014-08-18T17:44:10 < Laurenceb_> 6lowpan drivers and stuff was cool
2014-08-18T17:44:16 < Laurenceb_> but contiki has all that
2014-08-18T17:44:30 < dongs> condick'd
2014-08-18T17:44:47 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has joined ##stm32
2014-08-18T17:46:29 < Steffanx> http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1581/PF245419 ... heh there it says "active" ;O
2014-08-18T17:46:33 < Steffanx> *:o
2014-08-18T17:47:49 < dongs> install BSD on it, problem solved
2014-08-18T17:48:10 -!- blight [~greg@reactos/developer/blight] has quit [Ping timeout: 250 seconds]
2014-08-18T17:48:29 < _Sync_> oh wow
2014-08-18T17:48:36 < _Sync_> that st site sure is slow here
2014-08-18T17:48:50 < Steffanx> no it's you. Ask network admins
2014-08-18T17:49:12 < Laurenceb_> http://www.sitedelapeur.com/index.php/post/2005/08/25/284-le-grille-pain-dope-par-linux
2014-08-18T17:50:52 < dongs> clicking cuz says lunix
2014-08-18T17:51:34 < Steffanx> Je ne parle pas francais
2014-08-18T17:52:02 < _Sync_> Я не понимаю
2014-08-18T17:52:32 < dongs> http://www.embeddedarm.com/software/arm-netbsd-toaster.php english version for non-international fucks
2014-08-18T17:52:36 < Laurenceb_> NetBSD, une distrib Linux
2014-08-18T17:52:38 < Laurenceb_> le wut
2014-08-18T17:53:11 < dongs> netbsd, just as shitty as lunix
2014-08-18T18:13:43 < Fleck> windows the best dongs? :D
2014-08-18T18:14:04 < dongs> yes
2014-08-18T18:15:30 < dongs> hey wat
2014-08-18T18:15:35 < dongs> l0-disco has SWO
2014-08-18T18:15:39 < dongs> does that mean stdink supports that now?
2014-08-18T18:16:46 < zyp> every discovery board with stlinkv2 has that
2014-08-18T18:16:56 < zyp> the only without is the old vldiscovery, IIRC
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2014-08-18T18:17:56 < karlp> except that l0 is a m0 part, so doesn't have swo anyway....
2014-08-18T18:18:13 < karlp> just the stlink2 portion of the l0 disco board
2014-08-18T18:18:14 < zyp> not M0+ either?
2014-08-18T18:18:22 < karlp> nope,
2014-08-18T18:18:23 < karlp> MTB only
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2014-08-18T18:20:40 < karlp> m0+ does have support for multdrop swd though,
2014-08-18T18:22:43 < zyp> ooh
2014-08-18T18:22:53 < zyp> that's nice
2014-08-18T18:23:26 < zyp> now I'm going to make a board with a cluster of l0 chips just so I can program them all through one port!
2014-08-18T18:23:33 < dongs> whats that, like jtag tdi/tdo shit?
2014-08-18T18:23:42 < zyp> no
2014-08-18T18:23:57 < zyp> just wire up swdio/swclk in parallel to all chips
2014-08-18T18:24:05 < dongs> and it works?
2014-08-18T18:24:08 < zyp> yep
2014-08-18T18:24:11 < dongs> how does it KNOW
2014-08-18T18:24:14 < dongs> thats amazing
2014-08-18T18:24:23 < zyp> some addressing shit
2014-08-18T18:24:58 < zyp> remember that swd is overlaid on a subset of jtag pins, and jtms/jtck would be hooked in parallel for a normal jtag chain as well
2014-08-18T18:38:00 < dongs> yes but the 'chain' is done by TDO going into TDI of next chip
2014-08-18T18:39:48 < emeb> wonder if stlink or bmp (or jlink, etc) actually support multi-drop?
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--- Day changed Tue Aug 19 2014
2014-08-19T00:17:05 < Laurenceb> https://www.kickstarter.com/projects/1668001271/vaporware-10
2014-08-19T00:17:07 < Laurenceb> wut
2014-08-19T00:18:32 < synic> some dude just trying to be hilarious.  What the fuck is on the wall by the door
2014-08-19T00:21:14 < Steffanx> or some guy who tries to show how useless some crap is.
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2014-08-19T00:30:13 < kakeman> 100% waste of time
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2014-08-19T00:49:49 < Steffanx> That's what ##stm32 exists for kakeman :D
2014-08-19T00:51:33 < kakeman> maan
2014-08-19T00:51:52 < kakeman> I need 3pin waterproof connector
2014-08-19T00:51:53 < Laurenceb> kakemaaaan
2014-08-19T00:52:04 < kakeman> one to case
2014-08-19T00:52:07 < kakeman> one to cable
2014-08-19T00:52:14 < kakeman> a lot of them
2014-08-19T00:52:23 < kakeman> recommends?
2014-08-19T00:52:24 < Steffanx> dongs is cable guy.
2014-08-19T00:52:47 < Laurenceb> http://www.imdb.com/title/tt0115798/
2014-08-19T00:53:19 < Steffanx> :P
2014-08-19T00:53:30 < kakeman> movies are weird stuff
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2014-08-19T01:35:44 < qyx_> is there anything ai have to do in the bootloader to start user app?
2014-08-19T01:35:49 < qyx_> eh
2014-08-19T01:36:32 < qyx_> besides loading reset handler address a, loading new stack pointer and jumping here?
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2014-08-19T01:50:09 < qyx_> aha, remap vector table
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2014-08-19T02:14:07 < qyx_> chibios, Y U set VTOR to fixed 0x00000000
2014-08-19T02:14:32 < gxti_> there's a prepropecessor define you can set
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2014-08-19T02:15:20 < qyx_> finally found it
2014-08-19T02:20:15 < dongs> haha chibios
2014-08-19T02:20:34 < qyx_> now i need a way how to prevent user application setting exception handlers
2014-08-19T02:21:58 < dongs> do you control user app?
2014-08-19T02:23:11 < qyx_> yes, but that's a bad presumption
2014-08-19T02:24:41 < qyx_> also i need to periodically check battery and force standby mode with RTC wakeup if it is low
2014-08-19T02:24:56 < qyx_> even in situations when the user app could be possibly nonfunctional
2014-08-19T02:25:42 < zyp> why not just use the watchdog?
2014-08-19T02:25:46 < qyx_> this can be done with WWDG, but again, if the app remaps its handler..
2014-08-19T02:25:54 < zyp> handler?
2014-08-19T02:26:03 < zyp> the watchdog will reset if it times out
2014-08-19T02:26:17 < qyx_> WWDG has early wakeup handler
2014-08-19T02:26:30 < qyx_> which is called just before the reset
2014-08-19T02:27:20 < zyp> well, if you can't trust the user application to not be dumb, I guess the only thing you can do is running it in restricted mode
2014-08-19T02:27:21 < qyx_> reset alone won't help be to solve this periodic system check
2014-08-19T02:27:30 < qyx_> *me
2014-08-19T02:28:29 < zyp> as long as the user application is running with full privileges, it can always remap VTOR and thus take full control of all handlers
2014-08-19T02:29:09 < zyp> and if you want to run it in restricted mode, you pretty much have to build a full set of OS services around it
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2014-08-19T02:30:30 < Steffanx> or lua/python
2014-08-19T02:30:40 < Steffanx> :P
2014-08-19T02:30:49 < Steffanx> dongs will love that
2014-08-19T02:30:50 < qyx_> meh
2014-08-19T02:31:08 < qyx_> not-that-restricted
2014-08-19T02:33:07 < qyx_> lets assume that user app won't remap vectors, ideal solution would be IWDG if it had early wakeup interrupt
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2014-08-19T02:52:57 < qyx_> ok, enough beaky-style questions, lets assume the app won't be dumb
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2014-08-19T03:11:53 < upgrdman> if you're designed firmware for something with a GUI, and an ISR needs to notify the current GUI screen about an event, what is a good way to do that? i currently have an enum Event {possible events}; and call notifyCurrentScreen(enum Event) ... works fine. but notifyCurrentScreen() is just a big if(currentScteen == screen1)notiftyScreen1(event); else if(currentScreen == ...) and that seems like it would get unwieldy if the number of screens g
2014-08-19T03:11:53 < upgrdman> et large.
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2014-08-19T03:13:21 < upgrdman> is there a cleaner way to do that?
2014-08-19T03:19:06 < dongs> write a gui toolkit from scratch
2014-08-19T03:21:01 < upgrdman> i know what you're getting at, but it not actually a gui so much as a tui with a bit of gui-ness in a few spots.
2014-08-19T03:23:33 < zyp> ugh
2014-08-19T03:25:11 < upgrdman> ?
2014-08-19T03:25:18 < zyp> keep a pointer to some object representing the current screen that contains a function pointer to the active event handler
2014-08-19T03:25:40 < zyp> then update it when you change active screen
2014-08-19T03:25:47 < upgrdman> thank you!
2014-08-19T03:26:01 < upgrdman> i haven't played with function pointer before. now's a good time to learn.
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2014-08-19T03:27:12 < zyp> in C++ you'd probably do it with polymorphic classes, but strictly speaking that's just syntactic sugar for a struct containing function pointers
2014-08-19T03:28:47 < upgrdman> im doing c, but that's good to know.
2014-08-19T03:30:13 < zyp> you could of course also just keep the function pointer separately instead of stuffing it into a struct
2014-08-19T03:30:26 < zyp> but the struct is nice if you also have other related data to the active screen to keep
2014-08-19T03:30:33 < upgrdman> did your initial "ugh" indicate that my question sounded dumb? :)
2014-08-19T03:31:09 < dongs> heh
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2014-08-19T03:31:52 < dongs> workdudes are making one of those ad playing spamboxes that they put on store isles to play ads/crap about nearby products , with allwhiner A23
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2014-08-19T03:32:31 < dongs> told them why not just buy china trashtablet, "quality is too shit"
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2014-08-19T03:35:21 < upgrdman> do any of the cheap chinese tablets provide schematics/datasheets/etc. so you could program them bare metal if you don't want assdroid for embedded apps like spamboxes?
2014-08-19T03:38:29 < ds2> if you got datasheets for the SoCs in the chinese tablets....
2014-08-19T03:39:02 < dongs> Did you know? The term "blacksmith" came from feudal England where at the time, men had no choice but to form their own feces into tools for farming and daily life.
2014-08-19T03:39:56 < zyp> upgrdman, no, your gui code sounded dumb
2014-08-19T03:40:09 < upgrdman> fair enough
2014-08-19T03:40:24 < dongs> upgrdman: they're usually just reference design of some Allwhiner/Rockchip thing, there's generally docs but they're all assdroid centered. you can probly get baremetal stuff out of lunix drivers, but it would be effort
2014-08-19T03:40:40 < upgrdman> i'd like to learn, know of a reasonably readable codebase or tutorial?
2014-08-19T03:41:08 < zyp> I'm not the guy to ask about gui stuff
2014-08-19T03:41:14 < upgrdman> ok
2014-08-19T03:41:32 < zyp> I like Qt, but I'm not sure how applicable that model would be for embedded use
2014-08-19T03:41:37 < dongs> upgrdman: why not not reinvent the wheel and take a look how stuff like u8gfx etc do it?
2014-08-19T03:41:52 < upgrdman> u8gfx. ok. will google.
2014-08-19T03:41:58 < zyp> ugfx
2014-08-19T03:42:04 < upgrdman> o ok
2014-08-19T03:42:17 < dongs> no
2014-08-19T03:42:20 < dongs> ugfx is tectu's shit
2014-08-19T03:42:24 < dongs> thats bloated crap
2014-08-19T03:42:44 < dongs> u8glib
2014-08-19T03:42:45 < dongs> that
2014-08-19T03:42:48 < upgrdman> k
2014-08-19T03:43:06 < zyp> heh
2014-08-19T03:43:28 < zyp> I thought you just had fat fingers, 8 being right over u and everything
2014-08-19T03:43:33 < dongs> and theres some windowing gui on top of that
2014-08-19T03:44:22 < upgrdman> i probably should have said "gui" ... its really just my servo tester / specAn / tetris thinggy. it's not like i wrote a whole toolkit or anything. just trying to learn as i do more hobby stuff.
2014-08-19T03:44:55 < upgrdman> but i'm sure i'll want proper gui's soon enough, so i'll look into 'em
2014-08-19T03:45:12 < upgrdman> *i probably shouldn't
2014-08-19T03:45:16 < dongs> ah, yea u8 links to that shit
2014-08-19T03:45:21 < dongs> https://code.google.com/p/m2tklib/ this is the gui lib on top of it
2014-08-19T03:45:39 < dongs> meh, no windowing and stuff.
2014-08-19T03:45:53 < dongs> i coulda swore there was something really light that did it that wasnt tectuGFX
2014-08-19T03:46:21 < qyx_> windowing stuff can be written in couple of lines
2014-08-19T03:46:26 < qyx_> event handling too
2014-08-19T03:46:34 < dongs> well, thats what hes having trouble with :)
2014-08-19T03:47:24 < qyx_> a bit messing with structs simulating objects like zyp said
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2014-08-19T04:23:22 < dongs> oh wow.
2014-08-19T04:23:31 < dongs> i installed kikecad in a VM to export gerbers for somethign
2014-08-19T04:23:36 < dongs> hoollllllly shit
2014-08-19T04:23:39 < dongs> do people USE this
2014-08-19T04:25:09 < dongs> ---------------------------
2014-08-19T04:25:10 < dongs> Error
2014-08-19T04:25:10 < dongs> ---------------------------
2014-08-19T04:25:10 < dongs> IO_ERROR: Component with value of "" has empty reference id.
2014-08-19T04:25:10 < dongs> from f:/kicad-launchpad/stable/stable_2013-07-07_BZR4022/pcbnew/specctra.cpp : ThrowIOError() : line 118
2014-08-19T04:25:13 < dongs> Unable to export, please fix and try again.
2014-08-19T04:25:16 < dongs> ---------------------------
2014-08-19T04:25:18 < dongs> OK
2014-08-19T04:25:20 < dongs> ---------------------------
2014-08-19T04:25:23 < dongs> hahaha
2014-08-19T04:27:09 -!- blight [~greg@reactos/developer/blight] has quit [Quit: Konversation terminated!]
2014-08-19T04:30:53 < ds2> 'j #beagle-gsoc
2014-08-19T04:36:21 < emeb_mac> dongs: got my own version of ws281x timer/dma starting to work. Pretty simple.
2014-08-19T04:36:39 < dongs> emeb_mac: ya, its simple
2014-08-19T04:37:05 < emeb_mac> just uses a bunch of memory - 16-bit word for every bit you send. :P
2014-08-19T04:38:23 < dongs> yeah. the 24bit mask for  DMA
2014-08-19T04:38:43 < dongs> only 48bytes, would be a problem on avrturd
2014-08-19T04:42:35 < GargantuaSauce> oh come on, you ruined a perfectly good chance for "avtard"
2014-08-19T04:45:18 < dongs> whats the difference
2014-08-19T04:50:14 < dongs> me
2014-08-19T04:50:17 < dongs> zyp
2014-08-19T04:50:58 < dongs> plz.
2014-08-19T04:51:05 < dongs> you want specific net to have a separate clearance drc rule?
2014-08-19T04:51:15 < dongs> then waht the fuck is your question
2014-08-19T04:51:48 < dongs> same-net...?
2014-08-19T04:52:46 < dongs> add new drc rule for clerance
2014-08-19T04:52:59 < dongs> select 'same nets only'
2014-08-19T04:53:03 < dongs> it does
2014-08-19T04:53:09 < dongs> you enedto enable it
2014-08-19T04:55:38 < dongs> it is probably because your request is retarded
2014-08-19T04:56:18 < dongs> why would you ever have a routing situation where "same net" is too close to same net, and why would you care if it wasn't shorted to begin wiht
2014-08-19T04:56:19 < gxti> so why not use real pro software like allegro
2014-08-19T04:56:36 < emeb_mac> super-pro kicad
2014-08-19T04:58:07 < dongs> how do you even envision it getting calculated tht way
2014-08-19T04:59:19 < dongs> then youre doing it wrong - there's obviosuly same net drc rules.
2014-08-19T04:59:34 < dongs> i cba to go and add them because I can't think of a single use case wehre i'd nee dthis
2014-08-19T04:59:38 < gxti> there are, they're just not smart enough to do whatever wacky shit R2COM is up to
2014-08-19T05:01:28 < gxti> ok so stop using it
2014-08-19T05:05:51 < dongs> sounds more ilke you're used to a fucked workflow and you just have to http://xn--d-bga.su/dial.gif
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2014-08-19T05:14:10 < GargantuaSauce> do you have like an index of image macros or did you just happen to actually remember a gif on my domain
2014-08-19T05:15:54 < dongs> i actually totally just typed it up form memory
2014-08-19T05:15:59 < GargantuaSauce> sweet
2014-08-19T05:18:23 < GargantuaSauce> ikr
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2014-08-19T05:21:10 < dongs> zyp: you ahvente paid DHL 60bux
2014-08-19T05:32:26 < dongs> not bad
2014-08-19T05:32:29 < dongs> innovating furiously
2014-08-19T05:32:47 < dongs> < dongs> http://i.imgur.com/TmWu3VS.jpg
2014-08-19T05:32:50 < dongs> latest trollproj
2014-08-19T05:33:04 < upgrdman> whats the plastic in the middle?
2014-08-19T05:33:58 < dongs> upgrdman: i duno, not my pic - thats what they took before sending me the stuff.
2014-08-19T05:34:09 < dongs> sounds like there was other crap attached on top of hte boards?
2014-08-19T05:34:12 < dongs> maybe dessicant?
2014-08-19T05:34:25 < dongs> DO NOT EAT
2014-08-19T05:34:28 < upgrdman> they take a pic before shipping it? why? chronic distrust?
2014-08-19T05:34:45 < dongs> no, i ordered singles but it got arrayed
2014-08-19T05:34:57 < dongs> so tehy were like wai this array
2014-08-19T05:35:25 < dongs> yes
2014-08-19T05:35:30 < dongs> doublesided too
2014-08-19T05:36:09 < dongs> i got lazy and filled the back with bypass caps
2014-08-19T05:36:57 < dongs> no way, ill do those directly to dicknplace
2014-08-19T05:37:16 < dongs> tehre's like ~50 0402 caps on there
2014-08-19T05:37:19 < dongs> not worth my time
2014-08-19T05:37:43 < GargantuaSauce> that the lcd+audio driver?
2014-08-19T05:38:05 < dongs> yea
2014-08-19T05:38:19 < dongs> spdif>i2s>dac, gonna end very well
2014-08-19T05:39:09 < dongs> like what? they might look at them for orientation and shit, but all you need is XY and you can do stuff visually once the board is in machine
2014-08-19T05:39:12 < dongs> for initial setup
2014-08-19T05:40:30 < dongs> even easier when you have camera looking at teh board
2014-08-19T05:45:03 < dongs> no
2014-08-19T05:45:11 < dongs> i74970k is all you need
2014-08-19T05:45:25 < dongs> no
2014-08-19T05:46:01 < dongs> socket 2011 or wahtever is dead
2014-08-19T05:48:23 < dongs> no its the one wiht triple memory controller or wahtever.
2014-08-19T05:49:28 < dongs> 1150
2014-08-19T05:51:45 < dongs> yes, and use 100% less power in the process
2014-08-19T05:51:49 < upgrdman> nom nom nom
2014-08-19T05:52:03 < dongs> AMD released a new processor in 2014 just recently
2014-08-19T05:52:05 < dongs> that uses 220W
2014-08-19T05:52:12 < dongs> and gets demolished by i5
2014-08-19T05:52:13 < upgrdman> lolwut
2014-08-19T05:52:33 < upgrdman> what kind of core voltages to modern cpu's want?
2014-08-19T05:52:45 < dongs> http://www.anandtech.com/show/8316/amds-5-ghz-turbo-cpu-in-retail-the-fx9590-and-asrock-990fx-extreme9-review/6
2014-08-19T05:52:50 < dongs> upgrdman: ^ check that shit out
2014-08-19T05:52:53 < madist> 1.2V for the older intels.
2014-08-19T05:52:55 < dongs> upgrdman: like 0.8V or someshit
2014-08-19T05:53:09 < madist> ya. I think I saw 0.9V somewhere.
2014-08-19T05:53:11 < upgrdman> shit, so that's like 200+ amps
2014-08-19T05:53:46 < dongs> 220W tho, for a 2014 processor, and its not even FAST
2014-08-19T05:53:50 < dongs> amd is fucking dead
2014-08-19T05:54:16 < madist> do people use AMD for the speed or for the price ?
2014-08-19T05:54:31 < emeb_mac> lol win8.1 patch fail
2014-08-19T05:54:43 < dongs> madist: for sure running it 24/7 @ 220W would quickly negate any price differences
2014-08-19T06:05:41 < GargantuaSauce> i have a 4790k machine and it's ridiculous
2014-08-19T06:07:18 < dongs> you mean amazing?
2014-08-19T06:07:21 < GargantuaSauce> ya
2014-08-19T06:07:25 < dongs> me2, just upgraded to 32gig ram also
2014-08-19T06:07:33 < dongs> during irc it idles at 700mhz all the time
2014-08-19T06:07:35 < dongs> amaze
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2014-08-19T06:17:05 < baird> Aha! My Element14 delivery problems-- it's because my address is being kept secret from the Americans (well, UPS). A lot of maps and GPS can't find this place because the autorouters locate another nearby road with the same name..
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2014-08-19T07:00:54 < emeb_mac> those 5050 ws281x integrated LEDs are so cheap
2014-08-19T07:02:48 < GargantuaSauce> link?
2014-08-19T07:03:01 -!- Viper168 [~Viper@unaffiliated/viper168] has joined ##stm32
2014-08-19T07:03:35 < emeb_mac> http://www.ebay.com/itm/New-100PCS-WS2812B-IC-Built-in-5050-RGB-LED-Individually-Addressable-Fullcolor-/111348494595?pt=LH_DefaultDomain_0&hash=item19ece33103
2014-08-19T07:04:13 < dongs> they're about 13c/ in reel qty
2014-08-19T07:04:15 < dongs> yea sounds about right
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2014-08-19T07:05:02 < GargantuaSauce> sweet
2014-08-19T07:06:14 < emeb_mac> be getting some of those shortly to test out
2014-08-19T07:06:28 < GargantuaSauce> ya i'll order some too
2014-08-19T07:07:22 < emeb_mac> adafruit sells 'em already mounted on tape w/ bypass caps
2014-08-19T07:07:35 < emeb_mac> not quite so cheap of course...
2014-08-19T07:07:46 < GargantuaSauce> ive seen them with lens/diffusers in a string also
2014-08-19T07:08:03 < GargantuaSauce> didnt realize the driver was actually integrated
2014-08-19T07:09:17 < emeb_mac> ya - that makes it too easy
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2014-08-19T07:29:02 < dongs> emeb_mac: wagts tge ghetto way to do speaker on F1, just PWM + fet + speaker?
2014-08-19T07:29:30 < emeb_mac> yeah - that should work fine
2014-08-19T07:29:45 < emeb_mac> keep the pwm base rate nice & high
2014-08-19T07:29:50 < dongs> do i need RC anywhere?
2014-08-19T07:30:03 < emeb_mac> probably not
2014-08-19T07:30:19 < emeb_mac> might be some issues with RFI if you don't tho
2014-08-19T07:30:46 < dongs> whats reasonable pwm to get decently sounding voice out of it?
2014-08-19T07:31:04 < emeb_mac> for voice do at least 8kHz
2014-08-19T07:31:32 < GargantuaSauce> probably higher
2014-08-19T07:31:56 < emeb_mac> yeah
2014-08-19T07:32:23 < emeb_mac> you can do 16kHz and do two cycles of each sample
2014-08-19T07:32:28 < dongs> is it same as usual, 1/2 of pwm freq will be the highest shit I cna do?
2014-08-19T07:32:39 < GargantuaSauce> it will be worse than that in practice
2014-08-19T07:32:54 < dongs> and at 8khz, im gonna hear the base frequency whine, no?
2014-08-19T07:32:59 < GargantuaSauce> yup
2014-08-19T07:33:00 < dongs> i.e 8khz whine
2014-08-19T07:33:04 < dongs> right, so better go higher than that
2014-08-19T07:33:13 < GargantuaSauce> yeah well into ultrasonic would be ideal
2014-08-19T07:34:12 < emeb_mac> just depends on what you can put up with
2014-08-19T07:34:15 < dongs> this will be on that L0 so i probly wont have all that much mem for pcm buffers
2014-08-19T07:34:25 < emeb_mac> higher pwm freq means less filtering
2014-08-19T07:34:28 < GargantuaSauce> yeah sounds like something to dick with on a breadboard till it's acceptable
2014-08-19T07:34:37 < dongs> l0-disco incoming for that purpose
2014-08-19T07:35:08 < emeb_mac> where's the data coming from for voice?
2014-08-19T07:35:15 < dongs> flash
2014-08-19T07:35:19 < GargantuaSauce> well you can pulse way quicker than the sample updates right?
2014-08-19T07:35:19 < dongs> possibly compressed
2014-08-19T07:35:24 < GargantuaSauce> using a slaved timer with dma or whatever
2014-08-19T07:35:51 < GargantuaSauce> or a software counter in the update interrupt etc
2014-08-19T07:35:55 < emeb_mac> if you can run pwm at integer multiples of sample rate that would be good
2014-08-19T07:36:01 < GargantuaSauce> ya
2014-08-19T07:36:26 < dongs> i think l0 is 32mhz at flul speed, so there's probly some divider that clceanly turns into 16 or 24khz for pwm
2014-08-19T07:36:31 < emeb_mac> figure voice sampled at 8k, run pwm @ 24k = 3 cycles/sample
2014-08-19T07:36:58 < dongs> emeb_mac: does it mean same pwm repeats 3 times?
2014-08-19T07:37:02 < dongs> same width
2014-08-19T07:37:04 < emeb_mac> yes
2014-08-19T07:38:07 < GargantuaSauce> yeah and then do an lc low pass filter with the knee at 8k or so
2014-08-19T07:38:10 < GargantuaSauce> ideally
2014-08-19T07:39:38 < emeb_mac> well, ~4k ideally if the data rate is 8ksps
2014-08-19T07:40:34 < GargantuaSauce> well i say 8 because it'll be a halfassed one pole filter and you don't want to attenuate the nyquist freq too much
2014-08-19T07:40:59 < emeb_mac> hmmm
2014-08-19T07:41:26 < emeb_mac> I'd still put the 3dB point of a 1pole at or slightly below nyquist
2014-08-19T07:42:01 < emeb_mac> voice in the 300-3500Hz range is highly intelligible
2014-08-19T07:46:59 < dongs> can arduino do this
2014-08-19T07:47:15 < dongs> is the real question
2014-08-19T07:50:20 < emeb_mac> sure
2014-08-19T07:50:21 < GargantuaSauce> well the rpi can
2014-08-19T07:50:26 < GargantuaSauce> that's how its actual audio output works!
2014-08-19T07:50:27 < GargantuaSauce> pro
2014-08-19T07:50:34 < emeb_mac> there's folks doing pwm audio on ard
2014-08-19T07:50:36 < dongs> i would hope so
2014-08-19T07:50:46 < dongs> for $35 and 700mhz processor
2014-08-19T07:50:48 < dongs> that it can pwm some shit
2014-08-19T07:50:50 < dongs> at 8khz
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2014-08-19T07:54:14 < jpa-> dongs: why pwm and not direct stream digital?
2014-08-19T07:54:47 < jpa-> should be pretty easy to stream out of e.g. spi and stm32 can probably convert pcm -> dsd in realtime
2014-08-19T07:55:07 < dongs> on l0 with limited-ish ram?
2014-08-19T07:55:46 < dongs> how would  you get spi double buffered neough to avoid clipping
2014-08-19T07:55:51 < dongs> err clickign
2014-08-19T07:55:54 < dongs> when it switches buffers.
2014-08-19T07:56:22 < dongs> (only f4 has double buffered dma, i think)
2014-08-19T07:56:36 < jpa-> doesn't need much ram.. it's like   sigma += input; if (sigma > 0) { output = 1; sigma -= 32767; } else { output = 0; sigma += 32767 }
2014-08-19T07:56:38 < emeb_mac> dongs: you don't need double buffer
2014-08-19T07:56:50 < jpa-> circular buffer is enough
2014-08-19T07:56:55 < dongs> hmm
2014-08-19T07:56:57 < jpa-> as long as it has HTIF
2014-08-19T07:56:58 < emeb_mac> use circular mode and enable both half-transfer and transfer complete
2014-08-19T07:56:59 < dongs> and constantly updating it?
2014-08-19T07:57:02 < dongs> yeah
2014-08-19T07:57:04 < dongs> hmm
2014-08-19T07:57:24 < emeb_mac> that's how I do audio output on f100
2014-08-19T07:57:38 < emeb_mac> use tiny little buffer - 32 sample
2014-08-19T07:58:31 < emeb_mac> recompute 1/2 the buffer every 16 samples
2014-08-19T07:58:34 < jpa-> but it does take some cpu to run that loop at some 1-2 MHz.. so if you are doing lots of other stuff, F0 might not cope
2014-08-19T07:58:47 < dongs> no, that'd be the only thing its doing.
2014-08-19T07:59:20 < dongs> so t'd be running at like 2.4whatevermhz like dsd stuff?
2014-08-19T07:59:28 < dongs> er 2.8
2014-08-19T07:59:48 < dongs> 64Fs!111
2014-08-19T07:59:58 < jpa-> for example; the higher the better, considering that dsd is like "hifi", you could probably do with 1 MHz
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2014-08-19T08:00:54 < dongs> hm i think i better find my f0disco and try this out
2014-08-19T08:01:05 < dongs> sounds cool
2014-08-19T08:01:09 < jpa-> i wonder if one could somehow make a lookup table to get 8 bits for SPI output at a time.. though not really needed if that's the only thing its running
2014-08-19T08:01:12 < emeb_mac> dsd is similar to sigma-delta which can be computed with an overflow adder
2014-08-19T08:01:22 < emeb_mac> every time a carry out that's a bit
2014-08-19T08:02:48 < jpa-> true
2014-08-19T08:02:49 < emeb_mac> jpa-: I suspect that the repeat period of 2.8MHz dsd is longer than 8 bits esp for 8kHz sampled data in
2014-08-19T08:03:11 < emeb_mac> you'd need multi-word tables for LUT
2014-08-19T08:04:03 < emeb_mac> reduce the oversample rate and it might be easier tho
2014-08-19T08:07:50 < dongs> only problem is this would fuck wiht "low power" part
2014-08-19T08:08:01 < emeb_mac> ya - computationally intensive
2014-08-19T08:08:02 < dongs> dma'ing pcm buffers would be "simpler"
2014-08-19T08:08:11 < emeb_mac> yep
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2014-08-19T08:26:34 < dongs> i still need to precompute buffers for PWM, right?
2014-08-19T08:26:47 < dongs> i.e. sample -> 3(?) pwm shits
2014-08-19T08:26:53 < emeb_mac> ya
2014-08-19T08:27:35 < emeb_mac> if you just duplicate each sample 3x then you need to filter @ sample rate/2
2014-08-19T08:27:51 < emeb_mac> if you interpolate while you precompute then the filter is even easier
2014-08-19T08:28:41 < dongs> is this kinda shit public domain? do i just google "pcm player for arduino" and i can find some examples? (i havent looked yet)
2014-08-19T08:28:44 < emeb_mac> but interpolating takes cycles you may not have
2014-08-19T08:29:03 < emeb_mac> I'd bet you could find lots of FOSS code for that
2014-08-19T08:29:21 < dongs> since it sounds like i have to have a precompute step in either way
2014-08-19T08:29:27 < dongs> and similarly-configured circular DMA
2014-08-19T08:29:36 < dongs> i can try both ways and see which one sucks less
2014-08-19T08:31:18 < emeb_mac> http://projectproto.blogspot.com/2010/06/mini-stm32-wave-audio-player.html
2014-08-19T08:31:28 < emeb_mac> looks like PWM
2014-08-19T08:31:43 < dongs> that guy probably used NuttX
2014-08-19T08:32:05 < dongs> how come he has RC
2014-08-19T08:32:07 < dongs> on spaker
2014-08-19T08:32:12 < dongs> and wat, directly driving it, not even fet?
2014-08-19T08:32:14 < dongs> is that OK?
2014-08-19T08:32:24 < GargantuaSauce> it's ok if you stay under 10mA
2014-08-19T08:32:32 < emeb_mac> fet would give you more loudness
2014-08-19T08:32:33 < GargantuaSauce> er 20-25 i guess depending on family and pin type
2014-08-19T08:32:51 < emeb_mac> he's got a 1k resistor in series - weak
2014-08-19T08:33:12 < GargantuaSauce> well it would be loading the clamping diodes when it switches i think? probably a pretty good idea
2014-08-19T08:33:18 < emeb_mac> looks like CoOS
2014-08-19T08:34:28 < dongs> oh gawd
2014-08-19T08:34:36 < dongs> that whine
2014-08-19T08:34:40 < emeb_mac> GargantuaSauce: yeah - the AC loads could get ugly
2014-08-19T08:35:05 < dongs> is that waht my shit gnna sound like
2014-08-19T08:35:14 < emeb_mac> dongs: if you don't oversample, yeah
2014-08-19T08:35:22 < emeb_mac> keep the PWM freq high
2014-08-19T08:35:37 < dongs> so 3x sample shits + interpolation(?) will sovle this?
2014-08-19T08:36:41 < jpa-> and filter
2014-08-19T08:36:50 < emeb_mac> yep
2014-08-19T08:36:52 < jpa-> could use LC instead of RC
2014-08-19T08:37:02 < GargantuaSauce> i love the aliasing in the sine sweep
2014-08-19T08:37:12 < dongs> haha
2014-08-19T08:37:18 < emeb_mac> yeah - that's crunchy!
2014-08-19T08:37:25 < dongs> ya i was wondering that
2014-08-19T08:37:31 < dongs> also 100hz sine is horrible
2014-08-19T08:37:57 < dongs> i need to know
2014-08-19T08:37:57 < dongs> play & STOP & Previous File
2014-08-19T08:37:58 < dongs> HOW TO do ?
2014-08-19T08:38:08 < emeb_mac> 100hz square was pretty awful
2014-08-19T08:38:36 < emeb_mac> music would have sounded better with a better speaker
2014-08-19T08:38:51 < emeb_mac> but it did whine some
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2014-08-19T09:07:53 < dongs> http://www.infoworld.com/d/data-center/systemd-harbinger-of-the-linux-apocalypse-248436 lawl
2014-08-19T09:13:02 < GargantuaSauce> time to go freebsd
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2014-08-19T09:42:03 < GargantuaSauce> same toolchain that is recommended for all the other ones
2014-08-19T09:42:35 < GargantuaSauce> depending on who you ask, keil or the linaro gcc distro
2014-08-19T09:43:09 < emeb_mac> JIHAD!!
2014-08-19T09:43:25 < GargantuaSauce> is there a third option i am neglecting?
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2014-08-19T09:44:56 < emeb_mac> isn't two enough for JIHAD!!?
2014-08-19T09:45:16 < GargantuaSauce> i suppose
2014-08-19T09:45:38 < GargantuaSauce> i guess it's mostly a question of whether you want to wrestle with broken shit all the time, or pay $5k
2014-08-19T09:45:43 < GargantuaSauce> and wrestle with broken shit some of the time
2014-08-19T09:45:59 < emeb_mac> well and precisely phrased
2014-08-19T09:46:29 < PaulFertser> GargantuaSauce: do you mean linaro gcc is broken shit?
2014-08-19T09:47:18 < GargantuaSauce> not exactly, but there's a lot more moving parts when you're dealing with the foss toolchain
2014-08-19T09:47:25 < GargantuaSauce> as opposed to a compile and run button
2014-08-19T09:47:25 < PaulFertser> Like what?
2014-08-19T09:47:56 < emeb_mac> ehrmagerd! what's a linker script?
2014-08-19T09:47:56 < GargantuaSauce> i am trying to overgeneralize here, quit threatening me with the use of ~logic~
2014-08-19T09:48:26 < GargantuaSauce> i have long since walked through door #1
2014-08-19T09:48:42 < emeb_mac> what does system_startup.asm do?!!?
2014-08-19T09:49:14 < PaulFertser> "to wrestle with broken shit all the time" doesn't sound neither precise nor nice to the developers who care about that "shit".
2014-08-19T09:49:34 < GargantuaSauce> to clarify i feel that way about ALL software
2014-08-19T09:49:38 < GargantuaSauce> don't get all up in arms!
2014-08-19T09:49:42 < PaulFertser> The question of niceness doesn't belong to this channel, granted, but at least the description should be accurate, imho.
2014-08-19T09:50:08 < emeb_mac> oh don't get yer panties in a wad. we're just trollin'. :)
2014-08-19T09:50:28 < PaulFertser> I know. But some people lurking here might get a wrong impression.
2014-08-19T09:51:09  * emeb_mac uses gcc and loooooooooves it. in every possible way. 
2014-08-19T09:51:42 < GargantuaSauce> also i guess to be more precise, "wrestling with broken shit" refers to one's CONFIGURATION of said foss toolchain
2014-08-19T09:51:49 < emeb_mac> +1
2014-08-19T09:51:53 < GargantuaSauce> rather than the software itself
2014-08-19T09:52:10 < PaulFertser> But the said toolchain requires zero configuration actually, that's my point.
2014-08-19T09:52:12 < emeb_mac> I still haven't figured out all the options I use in my makefile
2014-08-19T09:52:23 < GargantuaSauce> yeah that is patently false
2014-08-19T09:52:35 < emeb_mac> talk about "superstitious behavior"
2014-08-19T09:52:50 < emeb_mac> "we do this because that's what we've always done"
2014-08-19T09:53:08 < GargantuaSauce> because the build and linker scripts constitute that configuration, and they are nontrivial
2014-08-19T09:53:13 < emeb_mac> and it stops working when we fuck with it...
2014-08-19T09:53:36 < GargantuaSauce> anyway i don't feel like arguing over nothing so i will concede the point in full, whatever it is exactly
2014-08-19T09:53:49 < emeb_mac> lulz
2014-08-19T09:54:11 < PaulFertser> That's not toolchain configuration, the linker script belong to the target-specific and sometimes project-specific configuration, and when one wants some custom behaviour, it's the same with proprietary tools, you need to edit a very similar-looking linker script anyhow.
2014-08-19T09:54:41 < GargantuaSauce> it's the configuration of the toolchain for your project....semantics i guess
2014-08-19T09:54:47 < GargantuaSauce> bleehhh not doing this anymore
2014-08-19T09:54:52 < PaulFertser> :D
2014-08-19T09:55:08 < GargantuaSauce> i appreciate your work in making oocd suck less!
2014-08-19T09:55:23 < PaulFertser> Thank you, I'm glad that's of use.
2014-08-19T09:56:07  * emeb_mac also likes oocd + stlink.
2014-08-19T09:56:18 < emeb_mac> when not using bmp...
2014-08-19T09:56:50 < GargantuaSauce> Sorry for the interruption. We have been receiving a large volume of requests from your network. To continue with your YouTube experience, please enter the verification code below.
2014-08-19T09:56:55 < GargantuaSauce> youtube thinks i'm a damn bot!
2014-08-19T09:57:23 < emeb_mac> spending too much time looking for pr0n?
2014-08-19T09:57:32 < GargantuaSauce> i bet an ajaxy script broke and has been spinning on a request or something
2014-08-19T09:58:32 < emeb_mac> write a script to respond to the verification codes
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2014-08-19T10:52:21 < rewolff> Has anybody had succes with one of these ?: http://www.ebay.com/itm/NEW-Mini-ST-Link-V2-stlink-Emulator-Downloader-STM8-STM32-With-Metal-Shell-/171186334233?pt=LH_DefaultDomain_0&hash=item27db802a19
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2014-08-19T10:59:00 < rewolff> Well....
2014-08-19T10:59:21 < rewolff> mine doesn't assert "reset" when "st-util" or "openocd" tries to do that....
2014-08-19T11:00:16 < rewolff> So, either the firmware doesn't support working with the reset, and somehow the windows software doesn't care.
2014-08-19T11:00:27 < Fleck> I have one, but never tried it...
2014-08-19T11:00:35 < rewolff> Or something is wrong with the "reset" handling and teh windows users also would have that problem.
2014-08-19T11:00:44 < rewolff> Or the ones that I Have are simply broken....
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2014-08-19T11:01:15 < rewolff> Fleck: Are you a windows user? Or Linux?
2014-08-19T11:01:26 < Fleck> but, I remmember, when I upgraded F4-Discovery board, I had problems too
2014-08-19T11:01:28 < Fleck> Linux
2014-08-19T11:01:53 < rewolff> explain: "upgrade F4-discovery board". ....
2014-08-19T11:02:13 < Fleck> firmware upgrade
2014-08-19T11:02:14 < rewolff> de-soldered  the F407, soldered on an F429 ?
2014-08-19T11:02:19 < Fleck> noo :)
2014-08-19T11:02:23 < rewolff> :-)
2014-08-19T11:02:54 < Fleck> but after upgrade I could not flash new code
2014-08-19T11:03:01 < rewolff> Is there a way to firmware-upgrade the stlink on the discoveryboards?
2014-08-19T11:03:04 < rewolff> Under Linux?
2014-08-19T11:03:16 < Fleck> I did not investigate though, maybe the same "reset" problem
2014-08-19T11:03:42 < rewolff> (there is a guy who started to reverse engineer the process, but he disappeared after the first: "this is where I am now"....)
2014-08-19T11:03:45 < Fleck> rewolff: I think I did it on windows PC
2014-08-19T11:04:01 < rewolff> But you can't flash anymore?
2014-08-19T11:04:35 < Fleck> and I could not flash in linux, yes, then I downgraded back, and everything is ok now!
2014-08-19T11:04:40 < Fleck> sorr for my bad english! :P
2014-08-19T11:04:45 < rewolff> no worries.
2014-08-19T11:05:15 < rewolff> So... if I manage to find a windows PC, and maybe downgrade the ebay module.... who knows...
2014-08-19T11:05:29 < Fleck> I could try that :D
2014-08-19T11:05:59 < rewolff> (they claim the modules are fully hardware compatible: They claim they can  be field-upgraded  byt hte ST tools)
2014-08-19T11:06:22 < Fleck> yeah, inside there is tha same chip as on F4-Discovery :D
2014-08-19T11:06:24 < Fleck> almost...
2014-08-19T11:07:42 < rewolff> I can't read the lettering on my small STLINK module's chip.
2014-08-19T11:07:55 < Fleck> I can on mine, sec
2014-08-19T11:08:39 < Fleck> STM32F101CBT
2014-08-19T11:09:44 < Fleck> STM32F103C8T on F4-Discovery
2014-08-19T11:10:27 < rewolff> I'd say there is a "B" on my 'discovery....
2014-08-19T11:11:21 < Fleck> yep, looks like I can upgrade FW on that "dongle" too
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2014-08-19T11:12:45 < Fleck> http://im9.eu/picture/fl3813 << "dongle"
2014-08-19T11:13:22 < rewolff> OK.
2014-08-19T11:13:53 < rewolff> But... I'm now guessing that hte latest firmware might not be compatible with st-util and openocd under Linux.
2014-08-19T11:14:21 < PaulFertser> rewolff: openocd works with all known stlink versions.
2014-08-19T11:15:01 < Fleck> http://im9.eu/picture/xq3813 << F4
2014-08-19T11:15:16 < rewolff> As you said you had to downgrade the firmware of the F4 to get it to work again...
2014-08-19T11:15:28 < Fleck> yep
2014-08-19T11:15:31 < PaulFertser> How so?
2014-08-19T11:15:47 < PaulFertser> Fleck: do you really mean OpenOCD doesn't support some specific firmware as shipped by ST?
2014-08-19T11:15:53 < PaulFertser> Fleck: can you spare some details then?
2014-08-19T11:16:19 < Fleck> PaulFertser: no, orig. fw was working OK!
2014-08-19T11:16:33 < rewolff> PaulFertser: /IF/ Fleck and I share the same problem,
2014-08-19T11:16:44 < PaulFertser> rewolff: can you show the logs then please?
2014-08-19T11:16:46 < rewolff> then it has something to do with "reset".
2014-08-19T11:16:55 < rewolff> The reset fails.
2014-08-19T11:17:25 < rewolff> I"ve attached a LED to the outgoing reset line and it asserts for about 200ms when I use dhte embedded STLINK on the F4 discovery,
2014-08-19T11:17:33 < rewolff> but not when I use the module....
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2014-08-19T11:18:06 < PaulFertser> rewolff: what if you're using "reset_config none"?
2014-08-19T11:18:08 < rewolff> During this conversation, some weird noises from my desk here, some burnt-electronics smell
2014-08-19T11:18:23 < rewolff> and it might be the module that was shorting......
2014-08-19T11:18:37 < rewolff> i.e. I'm not entirely sure I didn't burn the hardware just now... let me try.
2014-08-19T11:19:14 < rewolff> Openocd seems to have quite elaborate config files which is a steep "learning curve" for
2014-08-19T11:19:19 < rewolff> people like me...
2014-08-19T11:19:30 < rewolff> So as the embedded discovery stlink works,
2014-08-19T11:19:32 < PaulFertser> rewolff: for discovery boards the config files are few lines long.
2014-08-19T11:19:37 < rewolff> I just used that config file.
2014-08-19T11:19:57 < PaulFertser> Same as when you're using an external adapter.
2014-08-19T11:20:07 < rewolff> Yeah, but having problems with "reset" one of the lines has two mentions of "reset" and I've been unable to find documentation for those keywords.
2014-08-19T11:20:29 < rewolff> Anyway...
2014-08-19T11:20:44 < rewolff> log file of the failing run?
2014-08-19T11:20:51 < PaulFertser> Yes
2014-08-19T11:20:51 < rewolff> let me try.
2014-08-19T11:21:10 < PaulFertser> rewolff: all the commands should be documented in the official Info manual, if something's missing, please report.
2014-08-19T11:21:42 < rewolff> Yeah, but I'm probably not finding the "official info manual".
2014-08-19T11:21:44 < rewolff> info?
2014-08-19T11:21:50 < rewolff> Yo mean teh "info command" ?
2014-08-19T11:21:54 < rewolff> I shouldn't have been googling?
2014-08-19T11:22:05 < rewolff> (for an online manual?)
2014-08-19T11:23:24 < rewolff> Info : STLINK v2 JTAG v17 API v2 SWIM v4 VID 0x0483 PID 0x3748
2014-08-19T11:23:45 < PaulFertser> online manual actually means a manual that's present on the machine itself, contrasting to printed (on paper) manual.
2014-08-19T11:23:51 < qyx_> did they cut stlinkv2 from discovery and repackaged it?
2014-08-19T11:24:05 < qyx_> meh, scroll fail
2014-08-19T11:24:08 < PaulFertser> And OpenOCD comes with a maintained online manual in the Info format.
2014-08-19T11:24:21 < rewolff> :-)
2014-08-19T11:24:36 < rewolff> How the meaning of a word can change in 10 years...
2014-08-19T11:25:06 < rewolff> (gdb) load
2014-08-19T11:25:07 < rewolff> -> Error: Target not halted
2014-08-19T11:25:14 < PaulFertser> man (1)              - an interface to the on-line reference manuals
2014-08-19T11:25:25 < PaulFertser> rewolff: oh, you're not using 0.8.0 ?
2014-08-19T11:25:32 < PaulFertser> (or later)
2014-08-19T11:25:51 < rewolff> Open On-Chip Debugger 0.7.0 (2013-10-22-08:31)
2014-08-19T11:25:56 < PaulFertser> Please upgrade
2014-08-19T11:25:58 < rewolff> From distro: ubuntu.
2014-08-19T11:26:04 < rewolff> OK. Working on it.
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2014-08-19T11:30:10 < rewolff> Built 0.7.0, to verify my "building openocd" ability.....
2014-08-19T11:30:35 < PaulFertser> 0.8.0 is usually easier to build.
2014-08-19T11:30:44 < PaulFertser> Btw, you can take it from Debian unstable.
2014-08-19T11:31:32 < rewolff> Can I run it with the installed 0.7.0 scripts?
2014-08-19T11:31:43 < rewolff> Runtime Error: embedded:startup.tcl:47: Can't find interface/stlink-v2.cfg
2014-08-19T11:31:46 < rewolff> NO?
2014-08-19T11:32:32 < PaulFertser> You shouldn't use 0.7.0 scripts, please.
2014-08-19T11:32:40 < PaulFertser> The scripts are maintained along with the codebase.
2014-08-19T11:32:57 < PaulFertser> You can run it from the source directory with "./src/openocd -s tcl"
2014-08-19T11:33:26 < rewolff> I've done "make install" and now run with -f /...local...scripts.... F4...discovery
2014-08-19T11:33:31 < rewolff> Error: timed out while waiting for target halted
2014-08-19T11:33:45 < rewolff> But this is with the reset line still connected to the led...
2014-08-19T11:33:52 < PaulFertser> No wonder
2014-08-19T11:34:05 < PaulFertser> F4 disco config says "reset_config srst_only" i.e. it forces use of srst.
2014-08-19T11:34:14 < rewolff> Well... if hte led flashed... I'd be happier.
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2014-08-19T11:34:23 < PaulFertser> It might be short enough.
2014-08-19T11:34:31 < rewolff> But there is of course the option that the pulse is short enough that I don't see it.
2014-08-19T11:34:38 < PaulFertser> Btw, if you use "reset_config none" then the target will work okish too, with software reset over swd.
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2014-08-19T11:34:44 < rewolff> I can see about 1 microsecond....
2014-08-19T11:35:01 < rewolff> but if you look away for... litterally ... 1 microsecond, yo umight miss it. ;-)
2014-08-19T11:35:38 < rewolff> I have a gdb alias that worked with st-util: "reset".
2014-08-19T11:35:48 < rewolff> (gdb) reset
2014-08-19T11:35:48 < rewolff> invalid command name "jtag_reset"
2014-08-19T11:35:48 < rewolff> timed out while waiting for target halted
2014-08-19T11:35:48 < rewolff> TARGET: stm32f4x.cpu - Not halted
2014-08-19T11:35:48 < rewolff> in procedure 'reset'
2014-08-19T11:35:49 < rewolff> (gdb)
2014-08-19T11:36:19 < rewolff> It triggers something anyway that also tries to do the reset.
2014-08-19T11:36:35 < rewolff> When I connected the reset line, the CPU stopped.
2014-08-19T11:36:43 < rewolff> Now it's back running again.
2014-08-19T11:37:12 < PaulFertser> You should use "tar ext :3333" when connecting to openocd, then you'll be able to use "start" and "run" gdb commands that reset.
2014-08-19T11:37:20 < rewolff> monitor reset init
2014-08-19T11:37:39 < rewolff> is the one that causes the reset timeout.
2014-08-19T11:37:59 < PaulFertser> bbiab
2014-08-19T11:38:15 < rewolff> Warn : WARNING! The target is already running. All changes GDB did to registers will be discarded! Waiting for target to halt.
2014-08-19T11:42:56 < Fleck> st-flash with new FW on F4-Discovery: http://paste.opensuse.org/83444061
2014-08-19T11:43:05 < Fleck> just exits there
2014-08-19T11:43:28 < Fleck> with old fw: http://paste.opensuse.org/91297112
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2014-08-19T11:44:14 < rewolff> This doesn't look good: Flash: 0 bytes (0 KiB) in pages of 16384 bytes
2014-08-19T11:44:38 < Fleck> yep
2014-08-19T11:45:04 < rewolff> Info : STLINK v2 JTAG v17 API v2 SWIM v4 VID 0x0483 PID 0x3748
2014-08-19T11:45:34 < rewolff> I think that's the "J17"  (or "J19" or "J14") in your  previous screenshots....
2014-08-19T11:46:03 < Fleck> http://im9.eu/picture/xq3813 << this is OLD, working fw
2014-08-19T11:46:10 < rewolff> So I' have the "inbetween" version: I could upgrade to 19, or down to 14..
2014-08-19T11:46:19 < Fleck> V2.J19.S0 is that 0KB flash :D
2014-08-19T11:46:31 < rewolff> yes.
2014-08-19T11:46:57 < Fleck> PaulFertser: ideas?
2014-08-19T11:48:14 < rewolff> But I'm not so sure anymore  that my reset-problems are the same as your "flash 0"...
2014-08-19T11:48:27 < Fleck> yeah
2014-08-19T11:48:29 < rewolff> Paul: http://pawelserwan.files.wordpress.com/2014/03/terminator.jpg
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2014-08-19T11:50:19 < rewolff> STLINK on discovery boards have "reset" on pin 5 of the connector....
2014-08-19T11:50:42 < rewolff> Does anybody know the pin number on the STM32F103 that this should be connected to?
2014-08-19T11:50:57 < rewolff> Hmm. . I can look that up in the schematics for the F4-discovery....
2014-08-19T11:51:02 < rewolff> brb
2014-08-19T11:53:22 < rewolff> Pin 18 of the '103.
2014-08-19T11:54:52 < rewolff> Verified on the discovery board.
2014-08-19T11:57:26 < rewolff> 41, swim reset in on the ebay modue.
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2014-08-19T12:07:00 < rewolff> PaulFertser: Is there a software-way to make the STLINK software use pin 41 SWIM_RST_IN PB5 instead of pin 18 PB0 T_NRST
2014-08-19T12:07:08 < dongs> no
2014-08-19T12:07:17 < dongs> stdink firmware is closed sores.
2014-08-19T12:07:31 < Fleck> dongs sores :D
2014-08-19T12:07:36 < dongs> swim rst is for stm8
2014-08-19T12:07:39 < rewolff> THAT I know.
2014-08-19T12:07:56 < rewolff> But it might be possible to ask it nicely to use a different pin,
2014-08-19T12:07:57 < dongs> so it has that fiunctiom if you use swim
2014-08-19T12:08:05 < dongs> no  dont think so
2014-08-19T12:08:16 < rewolff> or maybe send it an "use that pin as GPIO" command, even if we don't have the source.
2014-08-19T12:09:30 < PaulFertser> Fleck: st-flash is not relevant
2014-08-19T12:10:07 < PaulFertser> rewolff: so what's the result with "reset_config none", can you paste a -d3 log please?
2014-08-19T12:10:21 < rewolff> Wait...
2014-08-19T12:10:26 < rewolff> I'm a bit further now.
2014-08-19T12:10:41 < rewolff> OpenOCD asks the STLINK module to reset the target,
2014-08-19T12:10:57 < rewolff> the '103 in the STLINK asserts (low) pin 18,...
2014-08-19T12:11:11 < rewolff> and suddenly... nothing happens on pin 41,
2014-08-19T12:11:17 < rewolff> marked "RST" on my module...
2014-08-19T12:11:30 < PaulFertser> (btw, "mon reset init" is not recommended if you plan to run the firmware later without another reset, as "init" reconfigures PLLs on some targets, better use "mon reset halt" or just "start" command in gdb)
2014-08-19T12:12:14 < rewolff> I noticed my programs would not start reliably, but after some googling and testing,
2014-08-19T12:13:14 < rewolff> I now have "RLC", reset, load, continue... that seemed to work well with teh F4-discovery as the STLINK, st-util as the gdb-server and my own target....
2014-08-19T12:14:10 < rewolff> where rlc is "reset load continue" just those three commands, and "reset is defined as: monitor jtag_reset // monitor reset init
2014-08-19T12:14:45 < PaulFertser> With openocd >= 0.8.0 "reset init" happens automatically when you "load".
2014-08-19T12:14:57 < rewolff> Ah!
2014-08-19T12:15:33 < PaulFertser> BTW, regarding "not start reliably", I've seen some bad linker scripts that didn't define ENTRY() and thus the program couldn't be run after "load" but worked ok after reset.
2014-08-19T12:16:08 < rewolff> Anyway, Paul, do you know if there might be a software way to trick the STLINK to issue teh reset using PB5 instead of PB0 ?
2014-08-19T12:16:53 < PaulFertser> I'm afraid no, only if you decrypt (the key is known), disassemble, change the binary, reencrypt.
2014-08-19T12:17:09 < rewolff> OK.
2014-08-19T12:17:31 < rewolff> And I found yesterday that there might be open source software that runs on this hardware?
2014-08-19T12:17:44 < PaulFertser> BlackMagicProbe, yes.
2014-08-19T12:18:17 < rewolff> Different one than the one I found yesterday (but can't remember the name right now)...
2014-08-19T12:18:19 < PaulFertser> rewolff: do you really need hardware reset anyway?
2014-08-19T12:18:26 < rewolff> Ehh.
2014-08-19T12:18:30 < rewolff> I don't know.
2014-08-19T12:18:48 < PaulFertser> rewolff: it's nededed only if you want to wakeup a really sleeping target or after the SWD pins reconfigured by the firmware etc.
2014-08-19T12:19:01 < PaulFertser> rewolff: just use "reset_config none" and proceed with your main target.
2014-08-19T12:19:03 < rewolff> No, I'm not doing that.
2014-08-19T12:19:11 < PaulFertser> So you do not need hardware reset.
2014-08-19T12:19:24 < rewolff> cp /usr/local/share/openocd/scripts/board/stm32f4discovery.cfg myreset.cfg
2014-08-19T12:19:48 < PaulFertser> And if you need it at some point, you'll be able to emulate it by manually shorting the srst pin temporarily, then connect, then deassert srst, then reflash.
2014-08-19T12:19:54 < rewolff> remove old line with two keywords after reset_config
2014-08-19T12:19:59 < rewolff> replaced by one: none.
2014-08-19T12:20:05 < PaulFertser> reset_config none is default
2014-08-19T12:20:16 < rewolff> started openocd, target still running.
2014-08-19T12:20:38 < rewolff> connected gdb, target still running.
2014-08-19T12:20:47 < rewolff> Error: Target not halted
2014-08-19T12:20:47 < rewolff> Error: failed erasing sectors 0 to 1
2014-08-19T12:20:47 < rewolff> Error: flash_erase returned -304
2014-08-19T12:20:54 < rewolff> load -> those errors.
2014-08-19T12:21:08 < rewolff> Oh. before that: Warn : acknowledgment received, but no packet pending
2014-08-19T12:21:08 < rewolff> undefined debug reason 6 - target needs reset
2014-08-19T12:21:53 < PaulFertser> What does "mon reset halt" say?
2014-08-19T12:22:14 < PaulFertser> "target still running" -- proper, expected behaviour.
2014-08-19T12:22:31 < rewolff> (gdb) mon reset halt
2014-08-19T12:22:31 < rewolff> target state: halted
2014-08-19T12:22:32 < rewolff> target halted due to debug-request, current mode: Thread
2014-08-19T12:22:32 < rewolff> xPSR: 0x01000000 pc: 0x08000bc0 msp: 0x20000400
2014-08-19T12:22:32 < rewolff> (gdb)
2014-08-19T12:22:38 < rewolff> Hmm. target seems halted.
2014-08-19T12:22:42 < PaulFertser> Ok, right.
2014-08-19T12:22:42 < rewolff> Led stops flashing.
2014-08-19T12:22:49 < PaulFertser> So far so good, expected behaviour.
2014-08-19T12:22:58 < rewolff> I now have "openocd" running with -d 3, so lots of output there.
2014-08-19T12:23:01 < rewolff> :-)
2014-08-19T12:23:19 < rewolff> Debug: 319 29332 core.c:719 jtag_add_reset(): SRST line released
2014-08-19T12:23:19 < rewolff> Debug: 320 29332 core.c:743 jtag_add_reset(): TRST line released
2014-08-19T12:23:37 < rewolff> Did something go wrong with my reset_config none, or is this too expected?
2014-08-19T12:23:45 < PaulFertser> That can be ignored with "reset_config none".
2014-08-19T12:23:51 < rewolff> ok.
2014-08-19T12:24:07 < PaulFertser> It's just one-time output during the startup to put things into default position.
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2014-08-19T12:24:44 < rewolff> Can I try a "load" ?
2014-08-19T12:24:49 < PaulFertser> Sure
2014-08-19T12:25:06 < rewolff> Hmm. ok. works.
2014-08-19T12:25:11 < rewolff> Transfer rate: 15 KB/sec, 7090 bytes/write.
2014-08-19T12:25:25 < rewolff> Then how do I properly start this?
2014-08-19T12:25:41 < rewolff> I'd like it to go WRONG if my entry point is wrong.
2014-08-19T12:25:47 < rewolff> Test that too... :-)
2014-08-19T12:26:16 < PaulFertser> After "load" you can either "continue" or "start" (that'll stop on main())
2014-08-19T12:26:28 < rewolff> It says: Start address 0x8000bc0, load size 28360
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2014-08-19T12:27:27 < rewolff> OK. continue works.
2014-08-19T12:27:35 < rewolff> program started.
2014-08-19T12:27:59 < rewolff> Apparently the rasbperry pi that has the USB has crashed due to the short you guys already know about...
2014-08-19T12:28:30 < rewolff> but control-C stops the program and "where" does nto give me the "stopped at idle" that i'm used to.
2014-08-19T12:28:51 < rewolff> Nah.. maybe I'm misreading something.
2014-08-19T12:28:58 < PaulFertser> "bt"
2014-08-19T12:29:00 < rewolff> looks god.
2014-08-19T12:29:04 < rewolff> *good.
2014-08-19T12:29:13 < rewolff> (gdb) bt
2014-08-19T12:29:13 < rewolff> #0  0x08000da4 in _idle_thread (p=0x0) at ../ChibiOS-RT/os/rt/src/chsys.c:76
2014-08-19T12:29:13 < rewolff> #1  0x0800036a in _port_thread_start ()
2014-08-19T12:29:13 < rewolff> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
2014-08-19T12:29:41 < rewolff> hmm. the raspberry pi was "just a bit slow". :-)
2014-08-19T12:30:04 < PaulFertser> If you're using stable ChibiOS (not their newer latest in-development version), you can have "thread awareness" too, i.e. watching where every thread is at and local vars etc.
2014-08-19T12:30:22 < rewolff> I am.
2014-08-19T12:30:55 < PaulFertser> For that add to the end of your config: "stm32f4x.cpu configure -rtos auto"
2014-08-19T12:31:58 < PaulFertser> Then you'll be able to use "i thr", "thr 3" etc.
2014-08-19T12:32:11 < PaulFertser> Or have it all in some gdb frontend, e.g. eclipse.
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2014-08-19T12:33:39 < rewolff> Shouldn't I have a main thread and the idle thread?
2014-08-19T12:33:54 < rewolff> I get only one on i thr.
2014-08-19T12:33:55 < PaulFertser> Depends on how many threads you have
2014-08-19T12:34:04 < PaulFertser> Have you added that line and restarted openocd after that?
2014-08-19T12:34:21 < PaulFertser> It should have reported some RTOS-related lines after halt.
2014-08-19T12:34:27 < rewolff> Duh. But I have a main program waiting for spawning a shell. and the idle thread.
2014-08-19T12:34:49 < rewolff> Once I get the ttyACM on the raspberry I'd be able to spawn that shell in a separate thread for sure.
2014-08-19T12:35:50 < rewolff> OK. Replugged into main computer.
2014-08-19T12:35:56 < rewolff> So the STM target powercycle.d
2014-08-19T12:36:02 < rewolff> Then: mon reset halt,
2014-08-19T12:36:09 < rewolff> but no halt: timed out while waiting for target halted
2014-08-19T12:36:44 < rewolff> fresh startup: then it works.
2014-08-19T12:37:03 < rewolff> (that's what I consider "unreiable"... sometimes having to restart thigns from the beginning).
2014-08-19T12:37:32 < PaulFertser> I do not see that "timed out while waiting" here ever...
2014-08-19T12:37:35 < rewolff> ch> threads
2014-08-19T12:37:36 < rewolff>     addr    stack prio refs     state   name
2014-08-19T12:37:36 < rewolff> 20000CD8 2000078C   64    1  SLEEPING   main
2014-08-19T12:37:36 < rewolff> 20000D20 20000DB4    1    1     READY   idle
2014-08-19T12:37:36 < rewolff> 20000FF0 200010D4    2    1     READY   usb_lld_pump
2014-08-19T12:37:36 < rewolff> 20001280 2000136C   74    1  SLEEPING   dummythread
2014-08-19T12:37:36 < rewolff> 200029F8 2000314C   64    1   WTSTART   shell
2014-08-19T12:37:37 < rewolff> ch>
2014-08-19T12:37:42 < rewolff> (gdb) i thr
2014-08-19T12:37:42 < rewolff>   Id   Target Id         Frame
2014-08-19T12:37:42 < rewolff> * 1    Remote target     0x08000da4 in _idle_thread (p=0x0)
2014-08-19T12:37:42 < rewolff>     at ../ChibiOS-RT/os/rt/src/chsys.c:76
2014-08-19T12:37:42 < rewolff> (gdb) c
2014-08-19T12:38:12 < PaulFertser> Did openocd say anything about rtos?
2014-08-19T12:38:58 < rewolff> I don't know. Should I scan the 1144 lines of debug output?
2014-08-19T12:39:08 < PaulFertser> Disable debug, run as usual
2014-08-19T12:39:10 < rewolff> Or shall I restart without -d 3 ?
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2014-08-19T12:39:24 < PaulFertser> Yes
2014-08-19T12:39:53 < rewolff> target halted due to debug-request, current mode: Thread
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2014-08-19T12:40:18 < rewolff> No nothing about rtos.
2014-08-19T12:42:09 < PaulFertser> Probably that line wasn't added to the right place...
2014-08-19T12:42:18 < rewolff> source [find interface/stlink-v2.cfg]
2014-08-19T12:42:18 < rewolff> source [find target/stm32f4x_stlink.cfg]
2014-08-19T12:42:19 < rewolff> # use hardware reset, connect under reset
2014-08-19T12:42:19 < rewolff> #reset_config srst_only srst_nogate
2014-08-19T12:42:19 < rewolff> reset_config none
2014-08-19T12:42:19 < rewolff> stm32f4x.cpu configure -rtos auto
2014-08-19T12:42:28 < rewolff> Tha's my config now.
2014-08-19T12:43:00 < PaulFertser> Here's the config of the board I'm debugging right atm http://paste.debian.net/116324/
2014-08-19T12:43:45 < rewolff> OK. How do I spell chibios?
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2014-08-19T12:44:31 < rewolff> Warn : RTOS ChibiOS not detected. (GDB could not find symbol 'rlist')
2014-08-19T12:44:47 < rewolff> Wait.
2014-08-19T12:44:53 < rewolff> Didn't I read something about that.
2014-08-19T12:45:03 < rewolff> I had to enable something in the config for this to work, right?
2014-08-19T12:46:08 < rewolff> Ah. .maybe I'm using 3.0 after all...
2014-08-19T12:46:10 < rewolff> Sorry about that.
2014-08-19T12:47:08 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 240 seconds]
2014-08-19T12:47:09 < rewolff> Yes... it was another software package where I tried 3.0 first (Like before with chibios) and had to revert to 2.x...
2014-08-19T12:47:18 < rewolff> (which didn't happen with chibios. )
2014-08-19T12:49:01 < rewolff> So... apparently you guys don't have hte hardware reset connected?
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2014-08-19T13:40:41 < dongs> http://i.imgur.com/fK4bk3n.jpg
2014-08-19T13:42:35 < Steffanx> boring mirror.
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2014-08-19T14:19:47 < dongs> hm
2014-08-19T14:31:33 < Steffanx> but what exactly are we looking at dongs? CNC ground plane/plate/whatever its called?
2014-08-19T14:32:29 < dongs> shit for my stencil printer
2014-08-19T14:32:31 < dongs> to align pcb
2014-08-19T14:32:38 < dongs> now im using a stack of old pcbs
2014-08-19T14:32:40 < dongs> and its pretty lame
2014-08-19T14:33:48 < dongs> hm, at 24khz pwm, i only have 1500 periods
2014-08-19T14:34:04 < dongs> thats way less than 16bit!
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2014-08-19T14:35:19 < Laurenceb_> looks like an optical bench
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2014-08-19T14:40:25 < rewolff1> FYI: Apparently "versalon" is also an open source firmware for STLINK V2 hardware....
2014-08-19T14:40:33 < dongs> versaloon
2014-08-19T14:40:34 < dongs> yes
2014-08-19T14:40:41 < dongs> sucks just as bad as all teh others
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2014-08-19T14:55:40 < _Sync_> Steffanx: that plate is not ground
2014-08-19T14:58:48 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Ping timeout: 250 seconds]
2014-08-19T14:58:54 < Steffanx> yeah, i have no idea what it's called _Sync_ ;)
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2014-08-19T15:07:52 < _Sync_> the plate probably is fly cut, it does not like a blanchard grind
2014-08-19T15:09:40 -!- Viper168_ is now known as Viper168
2014-08-19T15:17:31 < dongs> Laurenceb_: can i  use wolframalpha to make me a list of values for sin() that starts/ends at 32*3 with amplitude 1500?
2014-08-19T15:17:45 < Laurenceb_> no
2014-08-19T15:17:47 < Laurenceb_> use octave
2014-08-19T15:17:55 < dongs> i dont have lunix
2014-08-19T15:18:06 < karlp> buy matlab then :)
2014-08-19T15:18:07 < Laurenceb_> then use windozer
2014-08-19T15:18:28 < Laurenceb_> ooh look what i found
2014-08-19T15:18:31 < Laurenceb_> http://wiki.octave.org/Octave_for_Microsoft_Windows
2014-08-19T15:18:53 < dongs> its probably like kikecad, installs 300megs of GTK and WINE
2014-08-19T15:18:58 < dongs> haha mingw
2014-08-19T15:19:17 < Laurenceb_> http://mxeoctave.osuv.de/
2014-08-19T15:19:24 < Laurenceb_> 119meg
2014-08-19T15:19:28 < dongs> huge
2014-08-19T15:19:34 < _Sync_> > uses wandows
2014-08-19T15:19:39 < _Sync_> > complains about large software
2014-08-19T15:19:55 < dongs> native windows software isnt huge
2014-08-19T15:19:59 < dongs> lunix ports are usually hugely retarded
2014-08-19T15:20:05 < dongs> because they  come with a million dlls
2014-08-19T15:20:07 < Laurenceb_> fap over this
2014-08-19T15:20:09 < Laurenceb_> http://linux.slashdot.org/story/14/08/18/2219253/munich-reverses-course-may-ditch-linux-for-microsoft
2014-08-19T15:20:14 < dongs> libufckoff.nobody.uses.so.0.0.0.1
2014-08-19T15:22:20 < dongs> Laurenceb_: ok so how do i do that in octave
2014-08-19T15:22:29 < Laurenceb_> i dunno lol
2014-08-19T15:22:31 < Laurenceb_> trolld
2014-08-19T15:22:35 < dongs> fuckin
2014-08-19T15:22:40 < Laurenceb_> what do you want to do?
2014-08-19T15:22:46 < Laurenceb_> to lazy to scroll
2014-08-19T15:22:51 < dongs> im testing pwm playback
2014-08-19T15:22:55 < dongs> so i wanna make a buffer w/sine wave in it
2014-08-19T15:23:27 < Steffanx> dongs, wolframalpha has table function
2014-08-19T15:23:31 < Laurenceb_> sound=round(1500.*sin([1:100].*(2*pi)))
2014-08-19T15:23:33 < Steffanx> which can generate a table for you
2014-08-19T15:23:48 < Laurenceb_> wavwrite("shit.wav",sound)
2014-08-19T15:24:19 < _Sync_> dongs: I could also complain that I have to install 23492348GW of .net shit if I want to use certain stuff
2014-08-19T15:24:38 < dongs> sync, .NET has been included with windows since vista
2014-08-19T15:24:54 < dongs> and .net runtime even for 4.x is like what, ~20-30megs download?
2014-08-19T15:24:58 < Steffanx> unless your crap included .net 10.5 and you have to upgrade because..
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2014-08-19T15:25:56 < dongs> oh man
2014-08-19T15:26:03 < dongs> that portable octave 7zip is brutal
2014-08-19T15:26:05 < dongs> like 30k files
2014-08-19T15:26:34 < Steffanx> http://www.wolframalpha.com/input/?i=table%5B1500*sin%28x%29%2C%7Bx%2C0%2C+3*32%2C1.5%7D%5D .. or whatever your needs are.
2014-08-19T15:27:01 < Steffanx> table[x, {var, start, end, stepsize}]
2014-08-19T15:27:39 < dongs> hm that doesnt look right
2014-08-19T15:27:59 < dongs> what hte hell are hte params
2014-08-19T15:28:33 < dongs> http://www5a.wolframalpha.com/Calculate/MSP/MSP101601c2899hh9hbe4fi800000d5e195e2352id54?MSPStoreType=image/gif&s=36&w=325.&h=153.&cdf=RangeControl
2014-08-19T15:28:47 < dongs> basically i want the range from -2pi to 0 (for example)
2014-08-19T15:29:05 < dongs> but 32*3 samples of that
2014-08-19T15:29:07 < dongs> so it should be like..
2014-08-19T15:29:12 < dongs> 0.. 100. 150.. etc
2014-08-19T15:29:13 < dongs> or somethign
2014-08-19T15:29:15 < Steffanx> http://reference.wolfram.com/language/ref/Table.html
2014-08-19T15:29:38 < dongs> k trying
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2014-08-19T15:30:02 < Steffanx> you can also do excel magics :P
2014-08-19T15:32:12 < dongs> 'uses steps di'
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2014-08-19T15:32:19 < dongs> but what is the "unit" of step?
2014-08-19T15:33:02 < dongs> looks like unit of range
2014-08-19T15:33:02 < dongs> hmm
2014-08-19T15:33:45 < dongs> http://www.wolframalpha.com/input/?i=table%5B1500*sin%28x%29%2C%7Bx%2C-2pi%2C0%2Cpi%2F48%7D%5D lawl
2014-08-19T15:33:48 < dongs> much fail
2014-08-19T15:34:07 < Laurenceb_> use octave lolz
2014-08-19T15:34:33 < dongs> http://www.wolframalpha.com/input/?i=table%5B1500*sin%28x%29%2C%7Bx%2C-2pi%2C0%2C0.06545%7D%5D there
2014-08-19T15:34:37 < dongs> Laurenceb_: octave doesn run
2014-08-19T15:34:41 < Steffanx> haha
2014-08-19T15:34:54 < Laurenceb_> windozer 8  ?
2014-08-19T15:35:31 < dongs> Steffanx: that looks right, yea?
2014-08-19T15:35:41 < dongs> i wonder if I can make it cast to ints
2014-08-19T15:35:43 < Steffanx> you can also click "apprimate form" in the box that shows all your sine crap
2014-08-19T15:36:28 < dongs> Steffanx: not in freetard version i think
2014-08-19T15:36:37 < Steffanx> i use that version
2014-08-19T15:36:38 < dongs> whats it look line?
2014-08-19T15:36:39 < dongs> like
2014-08-19T15:37:14 < dongs> where is "appropriate form"?
2014-08-19T15:37:26 < dongs> o
2014-08-19T15:37:28 < dongs> approximate
2014-08-19T15:37:30 < Steffanx> in the top right of the result box it show "approximate form", which gets rids of the sine crap
2014-08-19T15:37:30 < dongs> yeah that one
2014-08-19T15:37:33 < Steffanx> yeah, typo :)
2014-08-19T15:37:38 < dongs> right right, i see it.
2014-08-19T15:37:40 < dongs> that looks legit.
2014-08-19T15:37:43 < dongs> just need to cast
2014-08-19T15:38:29 < dongs> round()
2014-08-19T15:38:30 < Steffanx> it can round i think
2014-08-19T15:38:49 < dongs> round[table[1500*sin(x),{x,-2pi,0,pi/48}]]
2014-08-19T15:38:51 < dongs> this
2014-08-19T15:38:53 < dongs> perfect
2014-08-19T15:38:58 < Steffanx> See, no one needs octave Laurenceb_ :D
2014-08-19T15:39:07 < dongs> fuck this, shift-del'ing octave
2014-08-19T15:39:24 < dongs> 18,105 Files, 863 Folders < octave portable folder
2014-08-19T15:39:31 < dongs> EIGHTEEN FUCKING THOUSAND F ILES
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2014-08-19T15:39:37 < dongs> what the FUCK
2014-08-19T15:39:44 < dongs> for a piece of shit that opens a black command prompt
2014-08-19T15:39:46 < dongs> with some GNU license crap
2014-08-19T15:41:45 < Steffanx> you need mathlab
2014-08-19T15:42:10 < trepidaciousMBR> In theory, should it be possible to connect an SWD debugger to a halted STM32, and debug it? Without needing to be connected when the halt occurs?
2014-08-19T15:42:20 < dongs> sure?
2014-08-19T15:42:48 < trepidaciousMBR> Awesome, I've never actually done that, just wanted to check :)
2014-08-19T15:43:19 < dongs> you might have to disable debugger trying to dick with reset/etc, but at least on jlink you can do that
2014-08-19T15:44:16 < trepidaciousMBR> I've been using STLink V2 and texane thingy, I should probably have a look at openocd
2014-08-19T15:44:24 < trepidaciousMBR> no commercial stuff ;(
2014-08-19T15:44:55 < karlp> texane's not commercial, and the stlinkv2 hardware is equally commercial, whether you use texane or openocd...
2014-08-19T15:45:09 < trepidaciousMBR> yup, I mean I don't have any commercial debug tools
2014-08-19T15:46:09 < trepidaciousMBR> It wasn't a criticism of commercial tools, just I don't have any (except the hardware ;)
2014-08-19T15:54:59 < dongs> hm i got the shit outputting pwm
2014-08-19T15:55:02 < dongs> but hte period is huge
2014-08-19T15:55:25 < dongs> oh nvm
2014-08-19T15:55:34 < dongs> was doing at 8khz but calculated for 24
2014-08-19T15:55:47 < dongs> now i need to find a speakr
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2014-08-19T16:06:31 < dongs> hm
2014-08-19T16:07:05 < dongs> 8 ohm speakr
2014-08-19T16:07:25 < dongs> oh do i need a cap
2014-08-19T16:08:37 < dongs> fuckall
2014-08-19T16:08:38 < dongs> k
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2014-08-19T16:16:16 < CoolBear> Are you trying to drive a speaker straight from an IO port?
2014-08-19T16:23:03 < _Sync_> dongs: be happy to install 4G of matlab then
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2014-08-19T16:39:42 < Laurenceb_> heh yeah
2014-08-19T16:39:50 < Laurenceb_> matlab comes on DVD for a reason
2014-08-19T16:40:10 < Laurenceb_> http://www.quickmeme.com/img/c6/c6f064d01f88580c59d3dd3c5b0020b0d1402bdf510e900cb0b346613b6fa938.jpg
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2014-08-19T16:43:25 < Laurenceb_> we use it to develop production interface guis at work :S
2014-08-19T16:55:15 < dongs> CoolBear: yessir, and spectacularly failing
2014-08-19T16:55:50 < CoolBear> Might need to buffer it a tad, not sure the output can source that amount of current.
2014-08-19T16:56:14 < dongs> yeah i gota waveshare board with speaker amp. but i need to power it up separately.
2014-08-19T16:56:17 < dongs> trying to mess wiht it now
2014-08-19T16:56:49 < CoolBear> A single transitor will do if you are just whacking a squarewave across.
2014-08-19T16:57:09 < dongs> LM386 heh
2014-08-19T16:57:29 < dongs> ya but i dont have any fets not in SOT23
2014-08-19T16:57:36 < dongs> and thats even more work thatn hooking up this wvshare shit
2014-08-19T16:58:03 < CoolBear> Oh well, should get sound at least, might round the squares a bit as well.
2014-08-19T17:01:14 < Laurenceb_> chiptune
2014-08-19T17:01:42 < Laurenceb_> hmm this makes me realise
2014-08-19T17:01:58 < Laurenceb_> im the only guy at work who doesnt use matlab for everything
2014-08-19T17:02:39 < dongs> omg
2014-08-19T17:02:43 < dongs> i have a tone
2014-08-19T17:08:53 < dongs> https://www.youtube.com/watch?v=8FKdct2hCBk
2014-08-19T17:08:54 < dongs> opinion
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2014-08-19T17:09:19 < dongs> what frequency would that e
2014-08-19T17:09:22 < Steffanx> bit noisy
2014-08-19T17:09:38 < dongs> emeb: https://www.youtube.com/watch?v=8FKdct2hCBk
2014-08-19T17:10:10 < emeb> starting to work?
2014-08-19T17:10:20 < Steffanx> according to some fancy app its 500
2014-08-19T17:10:21 < Steffanx> hz
2014-08-19T17:10:28 < dongs> pwm part at least
2014-08-19T17:10:50 < Steffanx> + lots of harmonics @ 1000Hz, 1500 etc.
2014-08-19T17:11:18 < emeb> nice
2014-08-19T17:11:29 < dongs> emeb: i did have a question
2014-08-19T17:11:32 < Steffanx> Wonderful SpectrumView app by OxfordWaveResearch
2014-08-19T17:11:45 < emeb> dongs: sure - what?
2014-08-19T17:11:45 < dongs> i calcualted at 24kHz, my period on a 36mhz timer would be onlyt like 1500
2014-08-19T17:11:56 < dongs> so my 16bit stuff would need to be rescale ed into 0..1500?
2014-08-19T17:11:57 < dongs> or wat?
2014-08-19T17:12:15 < emeb> true
2014-08-19T17:12:25 < dongs> i see.
2014-08-19T17:12:27 < dongs> hm.
2014-08-19T17:13:07 < emeb> so take 16-bit data & scale from +/-32768 to 750 +/- 750
2014-08-19T17:13:19 < dongs> right
2014-08-19T17:13:27 < emeb> you lose SNR of course
2014-08-19T17:13:38 < dongs> right now i used amazing Steffanx advice w/wolframalpha and generated a sintab
2014-08-19T17:13:59 < dongs> http://www.wolframalpha.com/input/?i=round%5Btable%5B1500*sin%28x%29%2C%7Bx%2C-2pi%2C0%2Cpi%2F48%7D%5D%5D this is whats playing
2014-08-19T17:14:03 < emeb> alternative is to do what jpa- was saying and try sigma/delta aka dsd
2014-08-19T17:14:05 < dongs> is it 500hz? (and how was that determined)
2014-08-19T17:14:13 < dongs> yes, ill try that after i get pwm working from a buffer
2014-08-19T17:15:03 < emeb> that equation is probably not going to work quite right
2014-08-19T17:15:19 < dongs> well, its a sine, i think
2014-08-19T17:15:22 < emeb> using 1500 for the amplitude won't give you a sine
2014-08-19T17:15:27 < dongs> oh
2014-08-19T17:15:30 < dongs> should i have done 750?
2014-08-19T17:15:32 < emeb> if the PWM period max is 1500
2014-08-19T17:15:56 < dongs> so 750?
2014-08-19T17:16:08 < emeb> 750 + 750*sin()
2014-08-19T17:16:09 < BrainDamage> you want purely positive values
2014-08-19T17:16:12 < BrainDamage> that
2014-08-19T17:16:29 < BrainDamage> pwm time cannot go negative, it'll be from 0 to max
2014-08-19T17:16:55 < BrainDamage> a sin goes from +1 to -1
2014-08-19T17:17:01 < dongs> quieter
2014-08-19T17:17:15 < dongs> gonan see wat it looks like at speaker output of the wvshare thign
2014-08-19T17:17:35 < emeb> ya - fewer harmonics so all you hear is the fundamental. will be quieter
2014-08-19T17:18:05 < dongs> https://secure.chamsys.co.uk/ emeb your pals?
2014-08-19T17:18:37 < emeb> never heard of 'em
2014-08-19T17:19:01 < emeb> maybe mervaka has
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2014-08-19T17:19:44 < dongs> hmm, the shit @ speaker looks complete garbage
2014-08-19T17:21:05 < emeb> scoping the speaker terminals?
2014-08-19T17:21:23 < dongs> http://i.imgur.com/I6nJLsU.jpg
2014-08-19T17:21:24 < dongs> ya
2014-08-19T17:21:42 < emeb> right - that's gonna be ugly
2014-08-19T17:21:55 < BrainDamage> what's that supposed to be?
2014-08-19T17:21:56 < emeb> a lot of high-freq content that you don't actually hear
2014-08-19T17:22:19 < dongs> BrainDamage: that wolframalpha sintab playing through 24khz pwm to speakr
2014-08-19T17:22:56 < emeb> plus inductive kickback
2014-08-19T17:23:07 < dongs> it looks basically like input pwm
2014-08-19T17:23:12 < dongs> i expected an actual SINE wav
2014-08-19T17:23:34 < BrainDamage> 24kHz? does it even go trough the audio card un-aliased?
2014-08-19T17:23:39 < emeb> got a mic handy? put scope on that - see what's actually getting out to the air
2014-08-19T17:25:36 < Laurenceb_> eek
2014-08-19T17:25:41 < Laurenceb_> thats gunna fry the gpio
2014-08-19T17:25:49 < dongs> wat is
2014-08-19T17:25:52 < dongs> its going to lm386 amp
2014-08-19T17:25:55 < Laurenceb_> inductive mess
2014-08-19T17:25:56 < Laurenceb_> oh
2014-08-19T17:26:11 < dongs> directly hooking up speaker did fuckall
2014-08-19T17:26:18 < emeb> dongs: what's the signal look like @ 20uS/div?
2014-08-19T17:26:24 < dongs> lets see
2014-08-19T17:26:32 < dongs> about same
2014-08-19T17:26:32 < emeb> so you see a full cycle of the sine
2014-08-19T17:26:43 < dongs> the peak and pwm moving
2014-08-19T17:27:31 < dongs> k gonna copy that modplayer thing and se if I can make it output to a buffer
2014-08-19T17:27:45 < dongs> also not sure what im doing in DMA_HT? thats wehre I start a buffer rescale job?
2014-08-19T17:29:58 < emeb> dongs: when I use DMA w/ HT/TC I compute 1/2 the buffer at each and fill the part that's not playing.
2014-08-19T17:30:28 < emeb> so when you get HT, compute the 1st half, when you get TC compute the 2nd half
2014-08-19T17:30:43 < dongs> yeah i see.
2014-08-19T17:30:43 < dongs> hm
2014-08-19T17:31:02 < dongs> time to blink leds and see how long that takes
2014-08-19T17:31:37 < emeb> hopefully faster than IRQ rate. :)
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2014-08-19T17:34:34 < dongs> well leds are on
2014-08-19T17:34:35 < dongs> and not dark
2014-08-19T17:34:38 < dongs> doesnt sound good
2014-08-19T17:35:06 < dongs> 250Hz
2014-08-19T17:35:34 < dongs> i guess.. thats a lot?
2014-08-19T17:35:51 < emeb> led blink rate is 250Hz?
2014-08-19T17:35:56 < dongs> y
2014-08-19T17:35:58 < dongs> togle
2014-08-19T17:36:08 < emeb> how big is your DMA buffer
2014-08-19T17:36:14 < dongs> 32*3
2014-08-19T17:36:29 < superbia> looks fine
2014-08-19T17:36:33 < emeb> so your interrupt is every 48 samples
2014-08-19T17:36:43 < emeb> @ 24kHz
2014-08-19T17:37:11 < emeb> 24k/48 = 500Hz
2014-08-19T17:37:24 < emeb> so toggling @250 is right
2014-08-19T17:37:39 < emeb> more useful is to set signal high @ start of IRQ, drop at end
2014-08-19T17:37:48 < dongs> well right
2014-08-19T17:37:50 < emeb> that way you can see the overall duty-cycle of the computation
2014-08-19T17:37:51 < dongs> but right now it doesnt do shit
2014-08-19T17:37:53 < dongs> yeah
2014-08-19T17:38:14 < emeb> you won't (hopefully) see that on the LED, but scope can show it.
2014-08-19T17:40:08 < dongs> hm
2014-08-19T17:41:28 < BrainDamage> if your scope has a digital filter function, put one at ~1kHz and you should see a clean-ish sine if pwm worked
2014-08-19T17:41:45 < BrainDamage> ( lowpass )
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2014-08-19T17:43:33 < dongs> dont see anything opbvious in acquire menu
2014-08-19T17:50:49 < dongs> ha
2014-08-19T17:51:12 < dongs> i did like... averaging? i guess
2014-08-19T17:51:17 < dongs> it looks like a cutoff sine tho
2014-08-19T17:51:20 < dongs> hm i wonder why
2014-08-19T17:51:25 < BrainDamage> averaging is another name for lowpass :)
2014-08-19T17:51:28 < dongs> yeah
2014-08-19T17:52:29 -!- madist [madist@unaffiliated/madist] has quit [Quit: Leaving]
2014-08-19T17:53:38 < Lux> hmm averaging usually just smoothes out the waveforms over multiple aquisitions
2014-08-19T17:53:54 < Lux> lpf does actually get rid of higher freqs
2014-08-19T17:54:22 < Lux> pretty sure your scope can do that, even my 300$ rigol has that option
2014-08-19T17:56:18 < dongs> lo'
2014-08-19T17:56:22 < dongs> you never know
2014-08-19T17:56:25 < dongs> i havent found it yet.
2014-08-19T17:56:34 < dongs> checked channel menus and acquire menus
2014-08-19T17:56:34 < BrainDamage> try on the channel meny
2014-08-19T17:56:36 < BrainDamage> -y+u
2014-08-19T17:56:41 < dongs> ya, already went there
2014-08-19T17:57:01 < dongs> coupling/termination/invert/bandwidth/more (mostly related to deskew/highspeed shit)
2014-08-19T17:57:09 < BrainDamage> try bandwith
2014-08-19T17:57:12 < dongs> bandwidth works but theres not a lot of choices
2014-08-19T17:57:21 < dongs> it looks less peaky but still fail
2014-08-19T17:57:32 < dongs> 20mhz is lowest i can set in it
2014-08-19T17:57:44 < BrainDamage> too close to the pwm main freq
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2014-08-19T17:59:24 < dongs> hm
2014-08-19T17:59:40 < dongs> this bitbox mod player uses 8bit sampels
2014-08-19T17:59:46 < dongs> and adjusts samplerate to match
2014-08-19T17:59:56 < dongs> so like 32469Hz for sample rate, so it gives exactly 8bit pwm
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2014-08-19T18:00:07 < dongs> er 31469
2014-08-19T18:00:24 < dongs> hm or not, how did they come up with that
2014-08-19T18:04:20 < dongs> k whatever. time to make some actual audio buffers
2014-08-19T18:07:46 -!- MrMobius [~Joey@c-98-223-189-47.hsd1.in.comcast.net] has quit [Ping timeout: 260 seconds]
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2014-08-19T18:14:09 < dongs> hm
2014-08-19T18:14:11 < dongs> modplayer builds :)
2014-08-19T18:16:02 < emeb> setting a weird sample rate like that makes it tough to play std-rate audio
2014-08-19T18:16:10 < emeb> needs weird interpolation ratios
2014-08-19T18:16:16 < dongs> yea, im just wonmdering where they came up with that shit
2014-08-19T18:16:29 < dongs> its not direct d ivide of 72/36mhz as I thought
2014-08-19T18:16:31 < dongs> oh maybe 168..
2014-08-19T18:16:43 < dongs> hmm still no
2014-08-19T18:20:51 < emeb> dongs: which L0 is this for?
2014-08-19T18:21:02 < dongs> will be for L053 or wahtever
2014-08-19T18:21:07 < dongs> now prototyping on my f1 board
2014-08-19T18:21:07 < emeb> kk
2014-08-19T18:21:21 < Laurenceb_> k
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2014-08-19T18:24:56 < dongs> (1 << BITDEPTH - 1)
2014-08-19T18:24:56 < dongs> cute
2014-08-19T18:25:15 < emeb> for signed scaling?
2014-08-19T18:25:18 < dongs> (needs some parenthesis
2014-08-19T18:25:40 < emeb> ambiguous expression
2014-08-19T18:38:06 < dongs> ha, i got some playback
2014-08-19T18:38:13 < dongs> very shit and clippy
2014-08-19T18:39:32 < emeb> got link for code you're using?
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2014-08-19T18:42:14 < dongs> https://github.com/makapuf/bitbox-mod
2014-08-19T18:43:57 < dongs> i can almost hear the sound
2014-08-19T18:44:00 < dongs> i mean the tune
2014-08-19T18:46:35 < dongs> hm
2014-08-19T18:46:38 < dongs> its calculating way off
2014-08-19T18:46:49 < dongs> pwm buffer is full of trash > 1500
2014-08-19T18:46:53 < dongs> which would explain why it does fuckall
2014-08-19T18:47:09 < emeb> ya
2014-08-19T18:47:43 < dongs> return (sumL + (1 << BITDEPTH - 1)) << 8 | ((sumR + (1 << BITDEPTH - 1)));
2014-08-19T18:47:47 < dongs> this is waht fucks it up i think
2014-08-19T18:47:52 < dongs> hm wait, is that stereo
2014-08-19T18:47:58 < dongs> its fucking trolling me
2014-08-19T18:48:31 < emeb> kinda looks like 2 8-bit chunks concatenated
2014-08-19T18:48:36 < dongs> O M G
2014-08-19T18:48:55 < dongs> wtf haha it sounds like poop
2014-08-19T18:49:08 < dongs> whats a quicky way to merge L+R
2014-08-19T18:49:09 < dongs> as a test
2014-08-19T18:49:12 < dongs> just L+R/2?
2014-08-19T18:50:03 < dongs> seems
2014-08-19T18:50:04 < emeb> (L+R)/2
2014-08-19T18:51:50 < dongs> uplolding
2014-08-19T18:52:22 < emeb> slow tubes
2014-08-19T18:54:43 < Laurenceb_> now you can play
2014-08-19T18:54:45 < Laurenceb_> https://www.youtube.com/watch?v=pq64rcST6LM
2014-08-19T18:55:14 < emeb> :P
2014-08-19T18:55:50 < Laurenceb_> rofl the title
2014-08-19T18:55:51 < dongs> https://www.youtube.com/watch?v=G0Ig_GQOdng
2014-08-19T18:55:52 < Laurenceb_> https://www.youtube.com/watch?v=jJb1J52tQQ0
2014-08-19T18:56:26 < emeb> tinny!
2014-08-19T18:56:39 < dongs> ya it sounds shit
2014-08-19T18:56:43 < dongs> im doing something wrong im sure
2014-08-19T19:01:10 < emeb> could be worse I suppose
2014-08-19T19:01:30 < dongs> some other mod i can at least make out the melody
2014-08-19T19:01:30 < dongs> hm
2014-08-19T19:01:59 < emeb> what's the goal - what do you need cheap audio for?
2014-08-19T19:02:23 < dongs> lol it sounds different with -O3
2014-08-19T19:02:29 < emeb> bad sign
2014-08-19T19:04:32 < dongs> cheap audio = play pcm from cheap speaker
2014-08-19T19:04:39 < dongs> mod player is just to dick
2014-08-19T19:04:42 < emeb> right
2014-08-19T19:05:06 < emeb> any requirements on type of audio? BW, SNR, etc?
2014-08-19T19:05:10 < emeb> sample rate...
2014-08-19T19:05:29 < dongs> nope just hearable speech/screaming
2014-08-19T19:05:36 < emeb> and what's source? SD card, flash?
2014-08-19T19:05:40 < dongs> flash
2014-08-19T19:05:44 < dongs> very small sample
2014-08-19T19:05:48 < dongs> gonna be inside L0 flash
2014-08-19T19:05:57 < dongs> http://bcas.tv/paste/results/bQ65Sn29.html check ou how I implemented fatfs
2014-08-19T19:05:58 < emeb> so you can preprocess at compile time if needed
2014-08-19T19:05:59 < dongs> in that mod_32
2014-08-19T19:06:07 < dongs> not PWM preprocess no
2014-08-19T19:06:30 < emeb> I mean you could scale, or filter, etc.
2014-08-19T19:06:34 < dongs> oh, right
2014-08-19T19:06:40 < dongs> sample in flash will be clean/nice
2014-08-19T19:08:26 < dongs> http://bcas.tv/paste/results/47cQcG73.html i just did this for DMA stuff, heh
2014-08-19T19:08:43 < dongs> instead of running player in another loop and just preprocessing pcm>pwm
2014-08-19T19:09:24 < dongs> depending on complexity of tune, the leds sometime dim
2014-08-19T19:09:25 < Simon--> dma all the things
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2014-08-19T19:12:08 < dongs> hm well, poop
2014-08-19T19:12:28 < dongs> emeb: so why does it sound like ass? :)
2014-08-19T19:12:37 < dongs> is that just how its gonna be
2014-08-19T19:14:02 < Simon--> check output on scope?
2014-08-19T19:14:13 < dongs> i did, it was ass
2014-08-19T19:14:27 < dongs> http://i.imgur.com/I6nJLsU.jpg i.e. this
2014-08-19T19:15:18 < Simon--> maybe you are modulating the volume of a 0-frequency fm channel on an adlib
2014-08-19T19:15:26 < dongs> heh
2014-08-19T19:16:47 < Simon--> feed it with some software sin() or somecrap to see where the problem is?
2014-08-19T19:16:48 < emeb> dongs: could be a lot of reasons
2014-08-19T19:17:00 < emeb> might just need some lowpass filtering
2014-08-19T19:17:03 < emeb> might be clipping
2014-08-19T19:17:18 < emeb> might be aliasing due to low sample rate.
2014-08-19T19:17:38 < emeb> might be crappy lo-fi amp & speaker
2014-08-19T19:18:12  * emeb is tempted to prototype an 8-bit 8kHz PWM player
2014-08-19T19:18:17 < Simon--> steal examples from http://wavepot.com/
2014-08-19T19:18:26 < qyx_> lolz, should that be sine?
2014-08-19T19:18:36 < dongs> yes
2014-08-19T19:19:03 < Simon--> is that a dac or are you trying to pwm stuff?
2014-08-19T19:19:11 < dongs> pwm
2014-08-19T19:19:16 < Simon--> oh
2014-08-19T19:19:40 < Simon--> well, looks to me like inductive bits. make it complementary :)
2014-08-19T19:19:48 < dongs> whoa
2014-08-19T19:19:50 < dongs> its getting better
2014-08-19T19:19:53 < dongs> if i increase buffer
2014-08-19T19:19:55 < qyx_> and if you measure directly on gpio with like 10us/div?
2014-08-19T19:20:13 < qyx_> how dies the pwm look like
2014-08-19T19:20:42 < emeb> longer buffer = better? wtf?
2014-08-19T19:20:47 < qyx_> assuming the pic is at 40us/div
2014-08-19T19:20:53 < dongs> emeb: ya
2014-08-19T19:20:56 < dongs> qyx_: it is
2014-08-19T19:21:06 < dongs> qyx_: direct on gpio is just square wave
2014-08-19T19:21:09 < emeb> makes no sense
2014-08-19T19:21:12 < dongs> ~50% avg duty cycle
2014-08-19T19:21:38 < BrainDamage> direct on gpio should be square wave, unless you're pulling too much current
2014-08-19T19:21:43 < qyx_> it should be.. but how does it change in time
2014-08-19T19:21:48 < BrainDamage> the duty cycle being fixed is not correct
2014-08-19T19:24:36 < Simon--> if you lift the speaker, does it look square?
2014-08-19T19:25:25 < dongs> its not "fixed"
2014-08-19T19:25:28 < dongs> its moving
2014-08-19T19:25:42 < emeb> hence "avg"
2014-08-19T19:26:00 < dongs> https://www.youtube.com/watch?v=zWK0_O2T72k
2014-08-19T19:26:32 < emeb> hrm
2014-08-19T19:26:45 < dongs> this is with 512byte pwm buffer
2014-08-19T19:26:58 < emeb> that crackly crap may mean buffer overlap issues or clipping
2014-08-19T19:27:23 < emeb> buffer overlap may also explain why longer buffer = better
2014-08-19T19:28:18 < Simon--> yah, that sounds like part of the buffer isn't working
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2014-08-19T19:28:56 < dongs> ooo
2014-08-19T19:29:11 < dongs> whoa its perfect now
2014-08-19T19:29:18 < emeb> what'd you do?
2014-08-19T19:29:25 < dongs> removed /2 from DMA init
2014-08-19T19:29:41 < emeb> what was the /2 for?
2014-08-19T19:29:50 < Simon--> for making it not work
2014-08-19T19:29:53 < emeb> :P
2014-08-19T19:29:58 < dongs>     dma.DMA_BufferSize = PWM_BUFFER_SIZE; //  / 2;
2014-08-19T19:30:01 < dongs> me being d um
2014-08-19T19:30:04 < emeb> derp
2014-08-19T19:30:05 < emeb> :)
2014-08-19T19:30:11 < dongs> wow, tis really nice now
2014-08-19T19:30:16 < emeb> \o/
2014-08-19T19:30:19 < qyx_> how does it smell now?
2014-08-19T19:30:20 < qyx_> uh
2014-08-19T19:30:21 < qyx_> sound
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2014-08-19T19:30:52 < dongs> jewtubing
2014-08-19T19:31:12 < emeb> so if the DMA length was 1/2 what you thought, then when you updated the buffer you were overwriting the stuff that was being played
2014-08-19T19:31:28 < dongs> no
2014-08-19T19:31:30 < emeb> plus sticking a big discontinuity into the waveform when the other half didn't play
2014-08-19T19:31:33 < dongs> it was only playing half buffer
2014-08-19T19:31:35 < dongs> right
2014-08-19T19:32:58 < dongs> fucking shittube how long does it take to upload 25megs
2014-08-19T19:32:58 < dongs> rage
2014-08-19T19:33:05 < dongs> probly shouldnt be filming this in 1080p
2014-08-19T19:33:10 < emeb> lol
2014-08-19T19:33:41 < emeb> 25MB HD video for an 8-bit PWM tiny-speaker audio
2014-08-19T19:33:50 < dongs> yes
2014-08-19T19:33:53 < BrainDamage> I hope you're at least taping the diaphram movements
2014-08-19T19:33:59 < trepidaciousMBR> Should OpenOCD work with STLink V2 and STM32F427?
2014-08-19T19:34:02 < BrainDamage> so the high res video is useful for something
2014-08-19T19:34:06 < dongs> probably not F427
2014-08-19T19:34:09 < dongs> too new for opensauce
2014-08-19T19:34:24 < qyx_> works for f401 which is newer
2014-08-19T19:34:46 < trepidaciousMBR> Ah great. I guess I'll try compiling from source and see what it does :)
2014-08-19T19:34:50 < dongs> PROCESSING
2014-08-19T19:34:51 < emeb> hmm - I think that F429 Disco worked with oocd
2014-08-19T19:35:14 < trepidaciousMBR> emeb: Ah in that case very likely 427 will be fine
2014-08-19T19:35:25 < emeb> ya
2014-08-19T19:36:31 < emeb> yes - F429 Disco definitely works w/ oocd
2014-08-19T19:37:05 < emeb> source [find target/stm32f4x_stlink.cfg]
2014-08-19T19:38:09 < trepidaciousMBR> Great, thanks :) I was just looking at the 0.8.0 release notes, they refer to the 429 disco as well
2014-08-19T19:38:19 < trepidaciousMBR> so I'll build 0.8.0
2014-08-19T19:38:39 < dongs> https://www.youtube.com/watch?v=36DfA2DWDe0
2014-08-19T19:42:02 < emeb> much better
2014-08-19T19:43:26 < dongs> https://www.youtube.com/watch?v=Wu5zd5fCaPA trieed to play this but it trashes that ghetto modplayer
2014-08-19T19:43:29 < dongs> lu
2014-08-19T19:44:10 < emeb> ETOOCOMPLICATED
2014-08-19T19:47:20 < dongs> oh lets see if it sounds same wiht O3 now
2014-08-19T19:47:31 < dongs> ok, its good
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2014-08-19T19:53:55 < dongs> not recording at 1080piss helps
2014-08-19T19:54:01 < dongs> almost 2minute vid and only 6megs ^_^
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2014-08-19T19:54:25 < emeb> but will yootoob process faster?
2014-08-19T19:54:31 < dongs> thats the question
2014-08-19T19:54:32 < dongs> hopefully.
2014-08-19T19:54:35 < dongs> its doing so: now
2014-08-19T19:55:56 < dongs> was a bit faster
2014-08-19T19:56:06 < dongs> https://www.youtube.com/watch?v=-L-ZGksh9n8
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2014-08-19T19:56:45 < dongs> i think its fine now for what i wanted to do with it.
2014-08-19T19:56:54 < emeb> sounds pretty good - can even hear the different voices
2014-08-19T19:57:39 < emeb> no crackles, reasonable noise floor
2014-08-19T19:57:49 < emeb> not bad for 1-bit
2014-08-19T19:59:00 < emeb> "think twice before sharing"
2014-08-19T19:59:14 < superbia> recorded with arduino ?
2014-08-19T19:59:15 < emeb> words to live by
2014-08-19T20:00:49 < dongs> gonna stick scope on speaker output and see how it looks like while acutally playing something normal
2014-08-19T20:00:59 < dongs> oh so those half-trashed sinewavs were probably due to halfbuffer too
2014-08-19T20:02:33 < dongs> hm, pwm has very low "amplitude"
2014-08-19T20:02:45 < dongs> i think that modplayer code rescales it wrong
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2014-08-19T20:06:20 < dongs> yeah, it was
2014-08-19T20:07:20 < superbia> 1080p in name, but only 240p on video
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2014-08-19T20:10:19 < dongs> hm
2014-08-19T20:10:33 < dongs> emeb: i shift pwm to 750, it becomes quieter..
2014-08-19T20:10:36 < dongs> shouldnt it be louder?
2014-08-19T20:11:10 -!- twixx [~Wenzel@hq.aura-optik.de] has quit [Quit: Leaving.]
2014-08-19T20:11:13 < emeb> dongs: depends if you were clipping the extra harmonics could have made it sound louder
2014-08-19T20:12:00 < emeb> the audio you were getting from the modplayer was already unsigned tho, right?
2014-08-19T20:12:11 < dongs> i think so?
2014-08-19T20:12:24 < dongs> ill post this shit up as a .zip somewehre, too embarssing for shithub
2014-08-19T20:12:32 < emeb> sure
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2014-08-19T20:13:32 < dongs> timecop.mine.nu/droptest.zip
2014-08-19T20:13:41 < dongs> will work on any F1board, TIM3_CH1 for pwm
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2014-08-19T20:14:22 < dongs> can trash i2c stuff cuz t hat was leftover of something else
2014-08-19T20:16:07 < emeb> got it
2014-08-19T20:16:32 < dongs> oh i should try smaller buffers now
2014-08-19T20:16:37 < emeb> +1
2014-08-19T20:16:50 < dongs> seems ok still ;d
2014-08-19T20:16:53 < dongs> at 256
2014-08-19T20:17:11 < dongs> 128??
2014-08-19T20:17:19 < dongs> still ok.
2014-08-19T20:17:21 < dongs> cool.
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2014-08-19T20:21:13 < emeb> looks like period is 3k
2014-08-19T20:21:15 < emeb> not 1500
2014-08-19T20:21:22 < dongs> did i fuck it up?
2014-08-19T20:21:24 < emeb> 72M/24K
2014-08-19T20:21:54 < emeb> just means your PWM signal amplitude is about 1/2 of what it could be
2014-08-19T20:22:22 < dongs> uint32_t period = 72000000 / SAMPLERATE; isnt that waht i hve there now?
2014-08-19T20:22:27 < dongs> or do you mean i can increase bitdepth
2014-08-19T20:23:49 < emeb> your period is correctly computed
2014-08-19T20:24:09 < emeb> but you can increase the bitdepth / signal amplitude in the buffer
2014-08-19T20:27:02 < dongs> ya.
2014-08-19T20:27:10 < dongs> i think this speaker/amp is just trash
2014-08-19T20:27:16 < dongs> for some reason volume controls on it dont work
2014-08-19T20:27:25 < dongs> they must be part of osmethign else
2014-08-19T20:31:20 < emeb> ok
2014-08-19T20:31:34 < karlp> dongs, you're an inspriation, I've got fuck all done at work today
2014-08-19T20:31:45 < dongs> haha
2014-08-19T20:32:31 < emeb> so BITDEPTH could be 11 = 2048
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2014-08-19T20:32:42 < emeb> then offset by adding 1500
2014-08-19T20:32:48 < dongs> ya
2014-08-19T20:32:56 < emeb> not that it really matters
2014-08-19T20:33:13 < dongs> for some weird reason it sounds better if pwm is lesser amplitude
2014-08-19T20:34:14 < emeb> could be getting close to the rails causes distortion or something
2014-08-19T20:34:22 < emeb> gotta go - bbiaw
2014-08-19T20:34:43 < dongs> http://imgur.com/QwiB8Tx
2014-08-19T20:34:55 < dongs> like at here it sounds nice
2014-08-19T20:35:04 < dongs> but if i add 1500++, so its more centered, it sounds assy
2014-08-19T20:35:08 < dongs> its probably the trash amp
2014-08-19T20:35:16 < dongs> or it expects some other signal than wat im doing
2014-08-19T20:35:42 < Laurenceb_> http://www.theregister.co.uk/2014/08/19/intel_windows_enables_galileo/
2014-08-19T20:38:26 < dongs> 32-bit SoC with single-threat Pentium
2014-08-19T20:38:33 < dongs> not good enough for allahu  snackbar
2014-08-19T20:38:41 < dongs> need multiple-thret
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2014-08-19T20:39:24 < dongs> bedtime
2014-08-19T20:39:32 < Laurenceb_> 72 threads?
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2014-08-19T20:51:37 < scrts> ghm... 400MHz
2014-08-19T20:51:41 < scrts> slowish stuff
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2014-08-19T21:03:48 < kakeman> bought rb freq std
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2014-08-19T21:04:56 < Steffanx> uh?
2014-08-19T21:05:33 < kakeman> rubidium frequecy standart
2014-08-19T21:06:07 < kakeman> used ones are reasonable priced
2014-08-19T21:08:17 < kakeman> maybe trying to do some accurate distance measurement with it
2014-08-19T21:08:30 < kakeman> someday
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2014-08-19T21:12:59 < madist> don't they have a bulb or soemething that wears out ?
2014-08-19T21:13:10 < madist> if they're used how do you know they still work ?
2014-08-19T21:13:23 < gxti> if the lock signal asserts then it works
2014-08-19T21:14:28 < kakeman> it does or doesn't
2014-08-19T21:14:29 < scrts> kakeman: ebay?
2014-08-19T21:14:33 < kakeman> ye
2014-08-19T21:14:40 < gxti> and yes, they do eventually wear out. although depending on the construction, you may be able to remove the lamp (or was it the vapor cell? i forget which piece) and blast it with hot air to fix it
2014-08-19T21:15:17 < kakeman> does rb itself wear?
2014-08-19T21:15:19 < gxti> it's not like caesium standards where it's actually a consumable
2014-08-19T21:15:23 < madist> hwo does blasting with hot air fix a worn out electrode ?
2014-08-19T21:15:40 < madist> I think its a lamp. like a neon lamp. the electrodes wear out.
2014-08-19T21:15:44 < gxti> nope
2014-08-19T21:15:50 < scrts> kakeman: maybe you have a link?
2014-08-19T21:15:54 < gxti> no electrodes, it's a rb vapor that gets energized by rf
2014-08-19T21:16:00 < kakeman> a sec. pls
2014-08-19T21:16:06 < gxti> over time it deposits on the glass envelope. hot air revaporizes it.
2014-08-19T21:16:21 < gxti> that's my understanding, anyway
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2014-08-19T21:17:20 < kakeman> http://m.ebay.com/itm/300849129949
2014-08-19T21:18:46 < kakeman> wondering how much new one would cosr
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2014-08-19T21:18:51 < kakeman> cost
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2014-08-19T21:22:03 < gxti> madist: http://www.thinksrs.com/assets/instr/PRS10/PRS10stage3LG.jpg - the blue thing is the lamp
2014-08-19T21:22:16 < gxti> no connections through the envelope
2014-08-19T21:24:59 < scrts> FFS price... :o
2014-08-19T21:25:19 -!- jadew [~jadew@86.126.0.51] has joined ##stm32
2014-08-19T21:25:22 < scrts> I wonder what's the accuracy compared to gps controlled clocks
2014-08-19T21:26:31 -!- DanteA [~X@host-125-157-66-217.spbmts.ru] has quit [Ping timeout: 272 seconds]
2014-08-19T21:27:33 < madist> normal gps modules are good to 1 second.
2014-08-19T21:27:40 < kakeman> ain't gps clock from rubidium?
2014-08-19T21:28:09 < BrainDamage> yes, but they are better quality, also, gps use multiple clocks syncronized
2014-08-19T21:28:19 < BrainDamage> so they have lower long term drift
2014-08-19T21:28:26 < madist> yes, but the module in your reciever has a regular quartz clock.
2014-08-19T21:28:44 < BrainDamage> yep, which gets disciplined by averaging the received clocks
2014-08-19T21:28:54 < BrainDamage> the best of both worlds is having a Ru source disciplined by a gps
2014-08-19T21:28:57 < gxti> gps satellites have rubidium clocks but they are synchronized to USNO's primary standard, which is the source of their accuracy
2014-08-19T21:28:57 < scrts> ok so what accuracy we're talking here? 1pps?
2014-08-19T21:28:58 < BrainDamage> aka gpsdo
2014-08-19T21:29:01 < madist> and there's some leap second shenanigans that happens which might cause your gps to be off by 12 seconds.
2014-08-19T21:29:17 < GargantuaSauce> they correct the gps time signal periodically
2014-08-19T21:29:37 < BrainDamage> like 10^-8 for raw gps, 10^-11 for Ru, and 10^-13-15 or so for the combination of both
2014-08-19T21:30:12 < gxti> it's possible but depending on what you're doing you might be better off just letting the rb run free and just using gps to check it occasionally
2014-08-19T21:32:25 < scrts> http://en.wikipedia.org/wiki/GPS_disciplined_oscillator
2014-08-19T21:32:29 < scrts> seems like 1pps here
2014-08-19T21:32:41 < BrainDamage> 1pps is an output FORMAT
2014-08-19T21:32:43 < BrainDamage> not a precision
2014-08-19T21:32:48 < BrainDamage> 1 pulse per second
2014-08-19T21:33:19 < madist> BrainDamage: the accuracy is also +-1 second for commercial gps modules. (not gpsdo)
2014-08-19T21:33:26 < scrts> ah...
2014-08-19T21:33:43 < gxti> eh, the absolute worst i've seen was +/-1ms
2014-08-19T21:33:51 < gxti> and that was some ancient shit
2014-08-19T21:34:34 < gxti> and it wasn't poor accuracy, it was just that it would randomly jump ahead 1ms every 10-15 seconds. with a long enough averaging time it would have worked.
2014-08-19T21:35:02 < gxti> modern ones like NEO-7M are more like +/-30ns worst case
2014-08-19T21:36:35 < madist> Ublox make their own chips or there is something like a SiRF chip inside ?
2014-08-19T21:36:43 < gxti> they make their own.
2014-08-19T21:42:22 < scrts> hmm
2014-08-19T21:42:38 < scrts> they use GPSDO for GSM Station afaik
2014-08-19T21:42:41 < scrts> enough accuracy
2014-08-19T21:43:49 < gxti> yes. although GSM doesn't really need super tight timing, but CDMA d oes.
2014-08-19T21:44:16 < kakeman> maybe trying to do some locationing with 2 stations with fixed position and one moving device that is as small and low power possibly
2014-08-19T21:44:36 < kakeman> one station has that rb clock
2014-08-19T21:45:25 < kakeman> or multiple moving devices
2014-08-19T21:46:29 < kakeman> haven't thought more detail yet
2014-08-19T21:46:52 < kakeman> i don't want to use gps and gsm
2014-08-19T21:47:09 < kakeman> or rely on those
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2014-08-19T22:58:09 < qyx_> let's make some super beaky-clock with stm32f4
2014-08-19T22:59:35 < Steffanx> Or a Tectu clock
2014-08-19T23:02:02 < scrts> dongs cock
2014-08-19T23:02:34 < BrainDamage> there's some experimental atomic-clock-on-a-chip packages
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2014-08-19T23:03:21 < gxti> they're not experimental, although apparently they fucked up the seal and a huge percentage failed in the field
2014-08-19T23:04:18 < qyx_> destroyed themselves with their own radiation?
2014-08-19T23:04:52 < gxti> silly noob, there's no radiation in an atomic clock. even the super expensive beam tube ones.
2014-08-19T23:04:54 < BrainDamage> the price is: if you ask you can't afford it
2014-08-19T23:05:16 < gxti> more like the vacuum failed
2014-08-19T23:05:18 < gxti> or whatever
2014-08-19T23:05:24 < qyx_> wut, aren't they counting some particles?
2014-08-19T23:05:32 < qyx_> or should i read something about it first?
2014-08-19T23:05:51 < gxti> the beam tube ones count particles yes, but it's not radioactive decay, which is extremely random and unpredictable and totally useless for basing a clock off of
2014-08-19T23:06:11 < qyx_> ok, makes sense
2014-08-19T23:06:22 < qyx_> i forgot the cats
2014-08-19T23:06:24 < qyx_> half dead
2014-08-19T23:06:27 < gxti> the resonance cell ones like rubidium standards and like that chipscale crap don't even do that, it's just light wavelengths
2014-08-19T23:06:30 < Tectu> Steffanx, still not F4 on my clock
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2014-08-19T23:06:50 < Steffanx> i was more referring to the clock thing than the f4
2014-08-19T23:07:12 < gxti> they're "atomic" because they're measuring the properties of an atom. but naturally a lot of people associate 'atomic' with radioactivity.
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2014-08-19T23:08:56 < BrainDamage> they are masers
2014-08-19T23:09:39 < GargantuaSauce> https://www.youtube.com/watch?v=jXygVlgPkn0
2014-08-19T23:10:42 < BrainDamage> ie lasers in the microwave range
2014-08-19T23:10:49 < BrainDamage> they typically have a lamp that pumps the energy levels and are put in a resonant cavity that further selects frequency
2014-08-19T23:10:49 < BrainDamage> and then act as filter for a regular amplifier to oscillate
2014-08-19T23:12:03 < BrainDamage> wrong channel? :p
2014-08-19T23:12:32 < GargantuaSauce> related due to atomic!
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2014-08-19T23:46:56 < kakeman> I need low profile waterproof buttons to be soldered smd style and clued to surface of pcb
2014-08-19T23:47:04 < kakeman> is there such?
2014-08-19T23:47:37 < kakeman> or mounted and clued in milled hole on pcb
2014-08-19T23:47:49 < kakeman> recommends?
2014-08-19T23:49:22 < superbia> pcb waterproofed ?
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2014-08-19T23:50:03 < kakeman> can be done
2014-08-19T23:50:13 < kakeman> with lacker or such
2014-08-19T23:50:20 < kakeman> epoxies
2014-08-19T23:50:25 < kakeman> anything
2014-08-19T23:52:14 < Tectu> dongs, ping
2014-08-19T23:52:39 < superbia> sleeping
2014-08-19T23:52:45 < superbia> ping someone else
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2014-08-20T00:09:04 < Tectu> so I have some SOT23 MosFET wich has the wrong footprint (pins 123 are like   DGS   instead of   GSD   or similar). Is there any chance that there are SOT23 mosfets out there which have a different pinout or are they all the same?
2014-08-20T00:11:09 < GargantuaSauce> wait so which are you looking for?
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2014-08-20T00:12:47 < GargantuaSauce> they are definitely not all the same
2014-08-20T00:12:55 < Tectu> I need:    1 Gate,  2 Source,  3 Drain
2014-08-20T00:13:09 < Tectu> It does not need to be any special MosFET. It's just to multiplex some LED matrix
2014-08-20T00:13:10 < kakeman> all I have seen (just a handful) had same pinout
2014-08-20T00:13:16 < Tectu> damn
2014-08-20T00:13:35 < GargantuaSauce> this is p-channel right?
2014-08-20T00:13:57 < GargantuaSauce> cause the nfets i am familiar with are all GDS
2014-08-20T00:15:56 < Tectu> GargantuaSauce, yes, P-channel. Sorry.
2014-08-20T00:18:14 < Tectu> GargantuaSauce, any chance?
2014-08-20T00:19:06 < GargantuaSauce> bss84?
2014-08-20T00:21:36 < Tectu> <3
2014-08-20T00:21:50 < GargantuaSauce> i literally just went on mouser and chose the cheapest pfet
2014-08-20T00:22:16 < Tectu> LOL
2014-08-20T00:22:19 < Tectu> thanks mate <3
2014-08-20T00:22:30 < GargantuaSauce> also some datasheets number the pins differently! fuck thats confusing
2014-08-20T00:22:46 < _Sync_> yeah
2014-08-20T00:23:00 < _Sync_> I got trolled once there
2014-08-20T00:23:04 < Tectu> yes, that is why I fucked it up in first place
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2014-08-20T00:27:37 < Tectu> GargantuaSauce, actually, it does not match again because of fucked up pin numbering
2014-08-20T00:27:38 < Tectu> screw this shit
2014-08-20T00:27:41 < Tectu> I hate SOT23
2014-08-20T00:28:00 < GargantuaSauce> ok so you want
2014-08-20T00:28:02 < GargantuaSauce>   S
2014-08-20T00:28:03 < GargantuaSauce> G    D
2014-08-20T00:28:53 < Steffanx> Can't you rotate the sot on the pads? I remember seeing that once.
2014-08-20T00:28:59 < Steffanx> couldve been some eevblog project?
2014-08-20T00:29:01 < GargantuaSauce> yeah that works in a pinch
2014-08-20T00:29:33 < Tectu> GargantuaSauce, just a sec, I try to work it out
2014-08-20T00:30:09 < GargantuaSauce> i am not sure that pinout exists though. bs250 for example has S and D swapped from the above
2014-08-20T00:30:45 < GargantuaSauce> oh the one i mentioned is the same
2014-08-20T00:31:24 < Tectu>     S
2014-08-20T00:31:26 < Tectu>   G    D
2014-08-20T00:31:35 < Tectu> which will probably not exist?
2014-08-20T00:31:41 < GargantuaSauce> i dont think so yeah
2014-08-20T00:31:51 < Tectu> fuck shit
2014-08-20T00:32:39 < GargantuaSauce> yeah do the ones you have sideways and/or upside down with a blob of solder, assuming that's an option
2014-08-20T00:32:52 < Steffanx> upside down :)
2014-08-20T00:33:07 < Tectu> GargantuaSauce, upside down is not an option if gate is not pin 1
2014-08-20T00:33:10 < Tectu> the middle one
2014-08-20T00:34:13 < Fleck> ghm, looks like my eclipse setup is broken, guessing, after update, everything compiles ok, but after flash - code is not working
2014-08-20T00:35:09 < Fleck> even simple led blink doesn't blink! :P
2014-08-20T00:37:28 < Fleck> and what's wrong? :/
2014-08-20T00:37:30 < kakeman> we are in same boat with that blink thing
2014-08-20T00:40:03 < Tectu> Fleck, have you tried to turn it off and on again?
2014-08-20T00:40:47 < kakeman> Fleck: what eclipse version?
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2014-08-20T00:42:50 < Fleck> Tectu: sure, many times, even used CooCox IDE and code worked w/o problems on first upload
2014-08-20T00:43:15 < Fleck> kakeman: Version: Kepler Service Release 2
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2014-08-20T00:51:34 < kakeman> do you know lpcxpresso?
2014-08-20T00:52:14 < kakeman> eclipse based nxp lpc-development platform
2014-08-20T00:53:24 < kakeman> can't get simple led blink, most likely user error
2014-08-20T00:53:38 < kakeman> but if you find anything please tell
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2014-08-20T01:02:47 < kakeman> let's try that coocox thing
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2014-08-20T01:04:00 < kakeman> do you guys recommend STM32F4 DISCOVERY?
2014-08-20T01:04:33 < Steffanx> sure its a nice board.. i think most (active) people here have one or more of those.
2014-08-20T01:05:26 < GargantuaSauce> yup
2014-08-20T01:05:31 < GargantuaSauce> great bang for buck
2014-08-20T01:07:04 < Fleck> yep, nice board! :)
2014-08-20T01:07:35 < baird> Does mandelbrots and spinning cubes better than anything else in its class.
2014-08-20T01:07:44 < karlp> that's the 429i disco,
2014-08-20T01:07:47 < karlp> not the f4 disco....
2014-08-20T01:07:52 < karlp> (just because it's confusing)
2014-08-20T01:08:07 < kakeman> what.. you draw graphics with it?
2014-08-20T01:08:23 < karlp> the f429 has an lcd, which baird was referring to.
2014-08-20T01:08:40 < karlp> the f4 disco has no lcd, but a microphone and some audio stuff
2014-08-20T01:09:33 < baird> Actually, my original F4 Disco had a Mandelbrot generator which communicated with a display.  Took a while to get the hard-float toolchain builds correct, but it was impressive when it came together.
2014-08-20T01:09:43 < kakeman> let's see
2014-08-20T01:09:51 < GargantuaSauce> ya did that too
2014-08-20T01:09:53 < GargantuaSauce> fun stuff
2014-08-20T01:10:11 < GargantuaSauce> http://workman-industries.net/images/f4_cube.jpg http://workman-industries.net/images/f4_mb.jpg
2014-08-20T01:10:27 < baird> Later got an LCD board for it: https://www.youtube.com/watch?v=Eu1vbLMDltk
2014-08-20T01:10:41 < CoolBear> kakeman: What NXP board did you have?
2014-08-20T01:12:24 < kakeman> I have my own board that has lpc1313 and OM13000 with lpc1769 is comming someday soon
2014-08-20T01:12:49 < kakeman> first one is one I try to blink led with
2014-08-20T01:13:35 < kakeman> non-nxp board
2014-08-20T01:13:37 < CoolBear> kakeman: I see Em::Blocks have support for some NXP chips, including LPC13xx
2014-08-20T01:15:05 < effractur> you can also grap just the lpcexpreso studio
2014-08-20T01:16:14 < kakeman> what is the difference?
2014-08-20T01:16:16 < Steffanx> hows the hexapod going GargantuaSauce?
2014-08-20T01:16:37 < GargantuaSauce> did you see the onboard video video? havent done anything since
2014-08-20T01:16:39 < Fleck> Flash written and verified! jolly good! << so I guess .bin is not good, something wrong with it, how can I tell/know?
2014-08-20T01:16:53 < Steffanx> only seen the videos you have on your website GargantuaSauce
2014-08-20T01:17:07 < jadew> the STM32 datasheets are shit
2014-08-20T01:17:12 < jadew> damn it, I'm so pissed off
2014-08-20T01:17:17 < GargantuaSauce> https://www.youtube.com/watch?v=TXvZWTZWN8A
2014-08-20T01:17:39 < jadew> I'm spending a lot more time than I should on figuring out why crap isn't working, because the datasheet fails to explain things properly
2014-08-20T01:18:12 < GargantuaSauce> the a10 isnt quiiite grunty enough to do the CV stuff i have in mind and wifi is too shit for it to be done offboard reliably so i need to come up with a better high performance computing platform
2014-08-20T01:18:17 < GargantuaSauce> for onboard stuff
2014-08-20T01:20:41 < GargantuaSauce> and those servos have terrible electronics that i need to replace
2014-08-20T01:21:03 < Steffanx> which is going to be ~never? :P
2014-08-20T01:21:14 < GargantuaSauce> maybe
2014-08-20T01:24:46 < karlp> jadew: what are you overcomplicating tonight? :)
2014-08-20T01:25:00 < GargantuaSauce> i do have something in mind, a board with f030 and a pair of h bridges either discrete or L6203 or something to control two servos
2014-08-20T01:25:01 < jadew> :) I can't get a damn timer to trigger
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2014-08-20T01:25:08 < jadew> it just starts
2014-08-20T01:25:13 < karlp> Fleck: as the person who wrote that "jolly good" line, I would highly recommend you toss texane/stlink and use openocd....
2014-08-20T01:25:14 < jadew> completely ignoring the settings in SMCR
2014-08-20T01:25:16 < GargantuaSauce> but nothing nearly as miniature as what's currently in there
2014-08-20T01:26:13 < Fleck> karlp: :D ok, how do I upload .bin with openocd? but I am sure it's not st-link, I used windows STM utility, and the .bin is not working anyway
2014-08-20T01:28:58 < jadew> TIM8->SMCR = (0b111 << 4) | 0b110; shouldn't this be enough to make the timer start on the rising edge of ETR?
2014-08-20T01:29:37 < jadew> 0b111 << 4 means external trigger input (etrf) and 110 means trigger mode
2014-08-20T01:31:27 < Fleck> karlp: it's something with my setup, but, I have no idea where to look, before linux upgrade everything was ok...
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2014-08-20T01:39:23 < Fleck> anyone compiles with arm-linux-gnueabi-gcc-4.7 (Ubuntu/Linaro 4.7.3-12ubuntu1) 4.7.3 ?
2014-08-20T01:43:20 < GargantuaSauce> gnueabi?
2014-08-20T01:43:36 < GargantuaSauce> also that's pretty old
2014-08-20T01:43:46 < Fleck> is it?
2014-08-20T01:43:51 < GargantuaSauce> afaik you want arm-none-eabi-gcc
2014-08-20T01:44:02 < GargantuaSauce> and i am using 4.8.2
2014-08-20T01:44:27 < Fleck> arm-none-eabi-gcc (4.8.2-14ubuntu1+6) 4.8.2
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2014-08-20T01:49:26 < kakeman> is that CoSmart useful tool?
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2014-08-20T01:53:10 < Fleck> so you compile just fine GargantuaSauce?
2014-08-20T01:53:25 < GargantuaSauce> yes for the most part
2014-08-20T01:53:54 < Fleck> can you share .bin/.hex for F4-Discovery ?
2014-08-20T01:54:20 < Fleck> simple blink
2014-08-20T01:54:45 -!- superbia [~superbia@unaffiliated/superbia] has quit [Ping timeout: 260 seconds]
2014-08-20T01:54:52 < Fleck> http://paste.opensuse.org/74668533 << code
2014-08-20T01:54:59 < BrainDamage> you don't want gnueabi
2014-08-20T01:55:14 < BrainDamage> it will only work with a linux kernel on top
2014-08-20T01:56:41 < Fleck> yeah, my bad, eclipse uses arm-none-eabi-gcc
2014-08-20T02:00:50 < GargantuaSauce> http://xn--d-bga.su/flashy.bin
2014-08-20T02:01:58 < Fleck> GargantuaSauce: thx, perfect! :(
2014-08-20T02:02:07 < GargantuaSauce> works?
2014-08-20T02:02:12 < Fleck> yep!
2014-08-20T02:02:39 < kakeman> what is eabi?
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2014-08-20T02:03:19 < Fleck> GargantuaSauce: share code please
2014-08-20T02:03:37 < Fleck> I'll compile your flashy
2014-08-20T02:03:40 < GargantuaSauce> i kind of commented out a bunch of shit from one of my projects
2014-08-20T02:03:49 < Fleck> heh
2014-08-20T02:04:35 < BrainDamage> kakeman: https://en.wikipedia.org/wiki/Application_binary_interface#EABI
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2014-08-20T02:08:19 < Fleck> GargantuaSauce: did you set clock in flashy?
2014-08-20T02:08:32 < GargantuaSauce> ya
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2014-08-20T02:10:29 < GargantuaSauce> fuck it i'll just commit my half baked thing
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2014-08-20T02:11:16 < kakeman> nobody happens to have lpc1313 blinkled?
2014-08-20T02:11:40 < Fleck> GargantuaSauce: hmm, ok, some progress here, I found an old code where I was learning how to set clock sources, and that example compiles and runs ok!
2014-08-20T02:11:41 < kakeman> :)
2014-08-20T02:12:31 < GargantuaSauce> i just copypasted whatever_system.c from one of the stdperiphlib examples
2014-08-20T02:13:30 < GargantuaSauce> https://bitbucket.org/Ultrasauce/robots/src/d664b0102ea95769367268f7dda36c3c8dfb87df/purscvt/onboard/stm32f4/?at=master
2014-08-20T02:13:42 < GargantuaSauce> i dont consider this shareable quality but it's what i gave you <_<
2014-08-20T02:13:57 < GargantuaSauce> makefile contains references to my system etc
2014-08-20T02:14:20 < Fleck> thank you GargantuaSauce!
2014-08-20T02:14:29 < GargantuaSauce> ignore my gdb invocation also
2014-08-20T02:14:32 < GargantuaSauce> it's wrong
2014-08-20T02:15:52 < kakeman> man
2014-08-20T02:16:06 < kakeman> I can already tell coocox rules
2014-08-20T02:16:28 < kakeman> if compared to lpcxpresso
2014-08-20T02:16:53 < kakeman> will see
2014-08-20T02:21:35 < Fleck> :P
2014-08-20T02:23:05 < kakeman> it needs gcc path
2014-08-20T02:24:01 < kakeman> i hope I don't need mingw
2014-08-20T02:24:49 < Tectu> does anybody happen to have an OpenOCD target script for the samsung S3C2416?
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2014-08-20T02:32:04 < kakeman> once installed mingw
2014-08-20T02:32:39 < kakeman> trauma
2014-08-20T02:33:10 < kakeman> tized
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2014-08-20T02:52:02 < kakeman> is default reset handler where program starts?
2014-08-20T02:58:21 -!- blight [~greg@reactos/developer/blight] has quit [Quit: Konversation terminated!]
2014-08-20T02:58:42 < kakeman> led didn't blink with coocox
2014-08-20T02:58:45 < kakeman> yet
2014-08-20T03:21:26 -!- rbarris [~rbarris@ip68-4-252-214.oc.oc.cox.net] has quit [Quit: rbarris]
2014-08-20T03:22:03 < Tectu> kakeman, don't go mingw, use cygwin
2014-08-20T03:22:35 < kakeman> oh that's what i meant
2014-08-20T03:30:21 < dongs> Tectu: unlikely
2014-08-20T03:31:35 < dongs> sup blogs
2014-08-20T03:31:46 < Tectu> bloggin hard dongs
2014-08-20T03:33:13 < emeb> dongs awakes
2014-08-20T03:34:18 < dongs> yea
2014-08-20T03:34:56 < emeb> ready for another fun day of pwm-ing?
2014-08-20T03:35:06 < dongs> hah
2014-08-20T03:37:17 < dongs> not sure theres much left to pwm
2014-08-20T03:37:37 < kakeman> should I put oscillator frequency to flash magic?
2014-08-20T03:37:37 < dongs> i could try to deadbug sot23 fet
2014-08-20T03:37:55 < emeb> port to L05x
2014-08-20T03:37:56 < dongs> to try the actual final driving circuit instead of thise LM386 stuff
2014-08-20T03:37:56 < kakeman> I think it's only for communications
2014-08-20T03:38:04 < qyx_> you stole ma idea
2014-08-20T03:38:05 < dongs> emeb: well, the -disco needs to arrive firsr
2014-08-20T03:38:21 < dongs> should be on the way to jp today
2014-08-20T03:38:23 < dongs> qyx_: wat idea
2014-08-20T03:38:26 < qyx_> of ghetto d-class amp!
2014-08-20T03:38:28 < dongs> o
2014-08-20T03:38:34 < emeb> dongs: ah - you don't have an F05x disco board yet
2014-08-20T03:38:38 < dongs> right
2014-08-20T03:38:42 < dongs> ordered monday evening
2014-08-20T03:38:49  * emeb looks at his f051 disco
2014-08-20T03:39:07 < dongs> no, this is L053
2014-08-20T03:39:14 < emeb> aha - new one
2014-08-20T03:39:19 < dongs> oh, its in osaka
2014-08-20T03:39:23 < dongs> tomrorwo i guess its here
2014-08-20T03:39:25 < dongs> quick
2014-08-20T03:39:32 < emeb> dk?
2014-08-20T03:39:36 < dongs> ya
2014-08-20T03:39:46 < dongs> i was ordering some crap for the L0proj and needed freeshipping
2014-08-20T03:39:53 < dongs> noticed there was 10 l0'disco in stock
2014-08-20T03:40:37 < emeb> filler
2014-08-20T03:40:52 < emeb> ooo - epaper?
2014-08-20T03:40:55 < dongs> yep
2014-08-20T03:40:58 < emeb> nifty
2014-08-20T03:41:11 < emeb> and usb too
2014-08-20T03:41:16 < emeb> that sounds like fun
2014-08-20T03:41:51 < emeb> I need to order some stuff from DK anyway, sounds like a good idea
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2014-08-20T03:43:20 < emeb> not cheap
2014-08-20T03:45:37 < GargantuaSauce> so i have a little uhf ASK transceiver
2014-08-20T03:45:42 < GargantuaSauce> it has a single active device.
2014-08-20T03:46:06 < GargantuaSauce> and shits all over like a MHz of spectrum to transmit 4800bps or so
2014-08-20T03:47:29 < emeb> get that man a filter
2014-08-20T03:50:17 < dongs> sounds like those chinese thingies
2014-08-20T03:50:23 < dongs> that are like $3 on ebay
2014-08-20T03:50:32 < GargantuaSauce> more like 30 cents
2014-08-20T03:50:38 < emeb> "chinese thingies"  that's pretty much everything these days, right?
2014-08-20T03:50:55 < dongs> http://store.elsevier.com/So-You-Wanna-Be-an-Embedded-Engineer/Lewin-Edwards/isbn-9780080498157/
2014-08-20T03:51:06 < GargantuaSauce> http://www.567.dk/arduino/arduinorf315-43301.png these things
2014-08-20T03:51:07 < emeb> heh - lewin edwards
2014-08-20T03:51:16 < emeb> guy follows me on g+
2014-08-20T03:51:23 < dongs> GargantuaSauce: yea exactly waht i thought
2014-08-20T03:51:41 < qyx_> huh
2014-08-20T03:52:03 < qyx_> better buy the $3 version
2014-08-20T03:52:50 < kakeman> good radios?
2014-08-20T03:53:09 < GargantuaSauce> lol
2014-08-20T03:53:29 < emeb> "the frequency is determined by the length of the antenna"
2014-08-20T03:53:37 < emeb> oh, I bet that's just peachy.
2014-08-20T03:53:56 < kakeman> god..
2014-08-20T03:54:05 < kakeman> don't touch those
2014-08-20T03:54:10 < kakeman> :)
2014-08-20T03:54:23 < GargantuaSauce> i can poke it and it flies all around my waterfall diagram
2014-08-20T03:54:25 < GargantuaSauce> it's awesome
2014-08-20T03:54:42 < emeb> oh god - the hookup picture shows it plugged into a solderless breadboard
2014-08-20T03:54:49 < emeb> with the antenna coming out of the breadboard
2014-08-20T03:55:10 < emeb> that won't introduce any parasitics will it? :P
2014-08-20T03:55:27 < jadew> have you noticed what kind of phone numbers the chinese have?
2014-08-20T03:55:34 < dongs> ?
2014-08-20T03:55:36 < jadew> I have to put my phone in landscape mode to fit them
2014-08-20T03:55:41 < qyx_> its special L-type antenna design!
2014-08-20T04:00:06 < GargantuaSauce> http://xn--d-bga.su/315.png
2014-08-20T04:00:39 < GargantuaSauce> idle at bottom, crap going through the uart in the middle, settling again at the top
2014-08-20T04:01:04 < dongs> http://shop.oreilly.com/product/0636920028000.do everyone needs this
2014-08-20T04:01:19 < GargantuaSauce> i should probably stick an antenna on there i guess that might increase the stability a little
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2014-08-20T04:02:21 < dongs> dat spektrum, is being shitted on
2014-08-20T04:02:39 < qyx_> lol harmonics
2014-08-20T04:03:31 < qyx_> 312MHz ism? usa?
2014-08-20T04:03:43 < GargantuaSauce> i am in canada
2014-08-20T04:04:13 < GargantuaSauce> this is probably illegal but eh
2014-08-20T04:04:17 < GargantuaSauce> won't transmit my callsign :V
2014-08-20T04:04:31 < qyx_> and what it's going to be
2014-08-20T04:04:41 < GargantuaSauce> just dicking around
2014-08-20T04:05:01 < GargantuaSauce> if it wasn't a piece of garbage i would consider using it for long range telemetry
2014-08-20T04:05:06 < qyx_> you can dick with rfm12/22/24/26/69
2014-08-20T04:05:27 < qyx_> 24/26 and 69 are new with decent link budget
2014-08-20T04:05:34 < qyx_> all like $3.60 with spi
2014-08-20T04:05:51 < qyx_> (g)fsk, g(msk), ook
2014-08-20T04:06:08 < GargantuaSauce> http://www.ebay.com/itm/281085585286 ordered a couple of these
2014-08-20T04:06:21 < GargantuaSauce> half watt at 433 should do
2014-08-20T04:07:02 < qyx_> o\
2014-08-20T04:07:47 < GargantuaSauce> why do i have no measuring implements that are longer than 18cm
2014-08-20T04:09:09 < qyx_> use A4 paper + some millimeters
2014-08-20T04:10:01 < qyx_> +- 2cm, things won't be better probably
2014-08-20T04:13:18 < kakeman> what are you guys doing?
2014-08-20T04:13:46 < kakeman> with 433
2014-08-20T04:18:54 < GargantuaSauce> this works quite nicely when i am the antenna
2014-08-20T04:19:13 < kakeman> I think half a watt is illegal here
2014-08-20T04:19:31 < qyx_> good module for arduino wearables then
2014-08-20T04:20:05 < kakeman> but wouldn't go for less
2014-08-20T04:20:42 < GargantuaSauce> i wonder how much power this thing is actually radiating
2014-08-20T04:20:47 < GargantuaSauce> i should probably stop assuming it's minuscule
2014-08-20T04:20:48 < qyx_> in .fi? if they follow etsi, 0.5W could be done on 868MHz ism
2014-08-20T04:21:05 < qyx_> with some constraints
2014-08-20T04:22:11 < GargantuaSauce> i do have a ham license and 433 is a band with secondary allocation to that here
2014-08-20T04:23:19 < qyx_> you can connect 50ohm resistor to rfout and measure voltage with scope
2014-08-20T04:23:54 < GargantuaSauce> i have a 50mhz scope
2014-08-20T04:24:23 < GargantuaSauce> no idea what the attenuation would be at that frequency
2014-08-20T04:25:06 < qyx_> then maybe some 50ohm resistor, diode, cap..
2014-08-20T04:25:18 < qyx_> and DMM
2014-08-20T04:25:51 < kakeman> what is etsi?
2014-08-20T04:26:14 < qyx_> etsi.org
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2014-08-20T04:29:14 < GargantuaSauce> the damn thing is a metre away from me and the frequency still depends on my posture
2014-08-20T04:31:37 < dongs> upgrdman: beep
2014-08-20T04:31:53 < upgrdman> hi
2014-08-20T04:32:01 < dongs> have link to your dirtypcbs pcb
2014-08-20T04:32:17 < upgrdman> http://www.farrellf.com/temp/first2layerPcb.jpg
2014-08-20T04:33:00 < dongs> upgrdman: also duno if you were paying attention, i got that modplayer working on F1 w/pwm audio out
2014-08-20T04:33:10 < upgrdman> nice. didn't notice.
2014-08-20T04:33:21 < dongs> http://timecop.mine.nu/droptest.zip + https://www.youtube.com/watch?v=-L-ZGksh9n8
2014-08-20T04:33:34 < upgrdman> im optimizing my firmware to clean shit up right now :)
2014-08-20T04:33:40 < upgrdman> i almost ran out of RAM
2014-08-20T04:33:45 < dongs> haah
2014-08-20T04:33:49 < upgrdman> had like 300KB left
2014-08-20T04:33:51 < upgrdman> err
2014-08-20T04:33:54 < upgrdman> 300B
2014-08-20T04:34:35 < upgrdman> most of it was taken up my current logging
2014-08-20T04:34:59 < upgrdman> so easy to optimize, but i figure i'd give everything a once over and clean up some lazy stuff
2014-08-20T04:36:18 < upgrdman> dongs: why are most of you videos unlisted? you do lots of neat stuff.
2014-08-20T04:36:36 < dongs> too lazy to monetize them
2014-08-20T04:38:14 < upgrdman> you don't need to monetize them :) just make them public
2014-08-20T04:38:39 < upgrdman> anyway, were you thinking of trying dirtypcbs?
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2014-08-20T04:41:10 < dongs> no
2014-08-20T04:41:13 < dongs> pal wanted some cheap trash
2014-08-20T04:41:19 < dongs> and i didnt feel like letting him use my shit
2014-08-20T04:41:20 < upgrdman> ah
2014-08-20T04:41:24 < upgrdman> lol
2014-08-20T04:41:28 < dongs> so i was like just get from  these people
2014-08-20T04:41:36 < dongs> his a shitty autorouted eagle board
2014-08-20T04:41:38 < dongs> i dont even wanna see it
2014-08-20T04:41:45 < dongs> i only make quality pcbs
2014-08-20T04:41:50 < dongs> which means quality routing too
2014-08-20T04:41:57 < kakeman> you guys have own cnc-mills?
2014-08-20T04:42:51 < upgrdman> any idea why people bother with silkscreening in detail for pcb's that are dick-n-placed, and never intended to be repaired? like cell phones and shit. seems like a waste of effort for them to write all of their refdes's on the board
2014-08-20T04:43:01 < upgrdman> kakeman: i dont
2014-08-20T04:43:40 < dongs> upgrdman: duno, i generally dont but thats due to density, tehres just no fucking space
2014-08-20T04:43:47 < kakeman> helps debuging and so?
2014-08-20T04:43:52 < upgrdman> dongs: ya
2014-08-20T04:43:54 < dongs> pretty sure phones dont have refres on stuff
2014-08-20T04:44:34 < upgrdman> i saw some mobo pic on imgur the other day... and it was like fucking CRAMMED with silk text... like more boardspace allocated to "R101 R102 R103 C971" ... than actual parts
2014-08-20T04:44:42 < kakeman> before phone is released
2014-08-20T04:44:45 < dongs> laff
2014-08-20T04:45:06 < upgrdman> i wish i bookmarked it. it was fucking hilarious.
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2014-08-20T04:45:23 < dongs> looked at random intel board, only refdes is for biggie stuff
2014-08-20T04:45:27 < dongs> ICs, some larger coils etc
2014-08-20T04:45:36 < dongs> all 0402 and shit passives are unmarked
2014-08-20T04:45:43 < upgrdman> ya. that makes sense.
2014-08-20T04:45:47 < dongs> not even silk courtyard
2014-08-20T04:45:55 < upgrdman> cy = outline?
2014-08-20T04:45:59 < dongs> ya
2014-08-20T04:47:00 < upgrdman> bbl. times to mask and paint my ceiling. long overdue.
2014-08-20T04:48:06 < kakeman> you need more area for markings on board than stuff itself
2014-08-20T04:48:24 < kakeman> when using 0402 etc.
2014-08-20T04:49:29 < kakeman> it becomes impossible
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2014-08-20T05:00:04 < kakeman> I use PSUs to warm feet under planket
2014-08-20T05:00:17 < kakeman> very nice
2014-08-20T05:06:50 < GargantuaSauce> btw upgrdman did you remove the solder mask across the qfp pins or did they do that
2014-08-20T05:07:08 < dongs> ?
2014-08-20T05:07:28 < dongs> their mask resolution is probly so shit they edited it
2014-08-20T05:07:45 < GargantuaSauce> probably has something to do with the offset too i guess
2014-08-20T05:07:53 < aadamson> dongs what are doing for pick and place these days?
2014-08-20T05:08:22 < aadamson> not that I'm going to do a bunch of boards at once, but I'm tired of tweezers and hand placement that way...
2014-08-20T05:08:26 < aadamson> looking for a better option?
2014-08-20T05:08:40 < dongs> not gonna find anything that actually works for < $40k
2014-08-20T05:08:50 < dongs> better just keep twizzering
2014-08-20T05:09:13 < aadamson> yeah... I thought maybe you were doing something with *aquarium pumps and vacuum*?
2014-08-20T05:09:20 < dongs> lol.
2014-08-20T05:09:22 < aadamson> I looked at the tm-220a, but nah....
2014-08-20T05:09:25 < dongs> no i have a proper-ish thing
2014-08-20T05:09:45 < dongs> no way, those tm things are complete garbage
2014-08-20T05:09:52 < dongs> no vision, no accuracy/repeatability etc
2014-08-20T05:09:55 < dongs> complete trash
2014-08-20T05:09:59 < aadamson> yeah, vision would be nice
2014-08-20T05:10:12 < aadamson> I found one in CA with vision sub 10k, but still out of my price range
2014-08-20T05:10:14 < kakeman> wat are you guys investing at?
2014-08-20T05:10:43 < dongs> ive probly spent about same as i paid for machine in feeders
2014-08-20T05:10:51 < dongs> but now i have it almsot full, and i can swap parts faster
2014-08-20T05:14:49 < aadamson> thanks dongs, guess I'll stick with tweezers :)
2014-08-20T05:14:56 < aadamson> it's only like 50 parts anyway
2014-08-20T05:32:09 < upgrdman> GargantuaSauce: no, they did that. they enlarged the soldermask holes a bit, and they thickened my silk lines a bit too.
2014-08-20T05:32:45 < GargantuaSauce> k
2014-08-20T05:36:33 < dongs> enraged holes
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2014-08-20T06:01:16 < baird> Woohoo! The components for my dirty nuclear bomb have arrived! :D
2014-08-20T06:02:45 < dongs> i hope it involves at least one stm32
2014-08-20T06:02:51 < dongs> so when they google stm32 bomb they will find this channel
2014-08-20T06:04:18 < baird> nah. Real nukes have to have a 6502. This msp430fr5969 is probably the next best thing.
2014-08-20T06:04:52 < MrMobius> I had to sign a government form about cryptology tech when i bought a 6502 from mouser last month
2014-08-20T06:05:08 -!- madist [madist@unaffiliated/madist] has joined ##stm32
2014-08-20T06:06:19 < baird> There was a story that a Russian cruise-missle-type mid-range nuke had smuggled Apple][s encased entirely in epoxy..
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2014-08-20T06:08:21 < MrMobius> i hope they didnt overheat
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2014-08-20T06:08:37 < MrMobius> but then the soviets made their own cpu eventually. wasnt it like a z80?
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2014-08-20T06:09:18 < dongs>    great
2014-08-20T06:09:23 < dongs> altidong is failing to export the dot on top of 'i'
2014-08-20T06:09:26 < dongs> what he fuck
2014-08-20T06:09:33 < dongs> it doesnt actually show up on altidong cam output
2014-08-20T06:11:12 < dongs> oh craaaap
2014-08-20T06:11:14 < dongs> it missed it on last time too
2014-08-20T06:11:15 < dongs> haha
2014-08-20T06:14:57 < paulfertser> MrMobius: there was a popular soviet system which was a clone of Intel 8080 (KP580).
2014-08-20T06:16:06 < paulfertser> https://en.wikipedia.org/wiki/KR580VM80A
2014-08-20T06:19:55 < paulfertser> dongs: thank you very much for the logs the other day, "debug unlock" command works nicely, and now one doesn't need to mess with the drivers and other strange TI software to use (an reliably unlock) tiva controllers on any popular OS.
2014-08-20T06:22:30 < dongs> i hope "popular os" includes "windows 8.1 pro"
2014-08-20T06:22:56 < paulfertser> The TI's docs seem to be quite nice, I wonder what the real gotcha is with the stuff so it's still not popular.
2014-08-20T06:23:52 < paulfertser> dongs: to the best of my knowledge, yes, OpenOCD runs on windows 8.1 pro, I can probably test it myself on my relative's netbook (not pro version).
2014-08-20T06:24:04 < madist> they lost momentum. they changed the name, the cancelled some chips.
2014-08-20T06:24:11 < madist> and they cost more than STM32
2014-08-20T06:24:19 < paulfertser> And afaict, OS X is quite popular among desktop/laptop users too.
2014-08-20T06:24:38 < dongs> considering macos only runs on very limtied set of hardware
2014-08-20T06:24:53 < dongs> i'd say its even worse than windows
2014-08-20T06:24:53 < paulfertser> Same applies to windows.
2014-08-20T06:24:58 < dongs> incorrect
2014-08-20T06:25:52 < paulfertser> Well, compared to GNU/Linux or *BSDs, both OS X and windows run on very limited set of hardware (if you count all computers, not only desktop PCs).
2014-08-20T06:27:15 < paulfertser> I do not remember whom to thank here for that 25$ free promo code for TI's store but without that I wouldn't have a chance to fix tiva support.
2014-08-20T06:27:28 < dongs> haha
2014-08-20T06:27:36 < dongs> it was easy to get $25 tiva for free - all you had to do was order it
2014-08-20T06:27:38 < dongs> with paypal
2014-08-20T06:27:47 < dongs> and by the time they shipped, paypal authorization expired
2014-08-20T06:27:54 < dongs> so they would keep begging you to pay
2014-08-20T06:27:56 < dongs> which you could just ignored
2014-08-20T06:27:59 < paulfertser> :D
2014-08-20T06:28:20 < dongs> i ordered the 1st launchpad
2014-08-20T06:28:23 < dongs> bfeore they shitcanned it
2014-08-20T06:28:24 < dongs> i think
2014-08-20T06:28:28 < dongs> which took a while to ship
2014-08-20T06:28:31 < dongs> ~months if ir ecall
2014-08-20T06:28:36 < upgrdman> nice   http://i.imgur.com/at2TtTe.jpg
2014-08-20T06:28:48 < dongs> holy balls
2014-08-20T06:28:54 < dongs> are those dead bugs
2014-08-20T06:29:11 < upgrdman> i think so
2014-08-20T06:29:14 < upgrdman> from    http://www.reddit.com/r/WTF/comments/2e0jfv/sometimes_at_my_job_we_get_a_phone_thats_kind_of/
2014-08-20T06:29:24 < emeb_mac> your circuit is buggy
2014-08-20T06:29:36 < paulfertser> What I like about st discoveries is that those are cheap and still have some external peripherals to play with, unlike nucleo and launchpad.
2014-08-20T06:29:58 < GargantuaSauce> so thats what dead bugging means!
2014-08-20T06:29:59 < emeb_mac> what - an RGB LED doesn't count as a peripheral?
2014-08-20T06:31:07 < upgrdman> nucleo is just programmer + mcu? no toys on board?
2014-08-20T06:31:20 < dongs> its a tarduino drop-in
2014-08-20T06:31:24 < GargantuaSauce> and the all-important arduino headers
2014-08-20T06:32:29 < upgrdman> srsly? trash.
2014-08-20T06:33:02 < upgrdman> you'd think if stm wants some of the arduino market they would make a point-n-click free ide
2014-08-20T06:34:18 < GargantuaSauce> i am so glad they don't. because people would come in here wanting help with it
2014-08-20T06:34:34 < upgrdman> poor CoolBear:  http://i.imgur.com/QQq4Dgn.gif
2014-08-20T06:34:52 < GargantuaSauce> and considering that the arduino IDE is the single worst piece of ["complete"] software I have ever used, an ST implementation of it would not be fun to support.
2014-08-20T06:36:00 < upgrdman> ya
2014-08-20T06:36:04 < GargantuaSauce> this is the stuff nightmares are made of
2014-08-20T06:36:47 < upgrdman> BS2 pissed me off because of BASIC. Arduino pissed me off because of shitty AND buggy ide.
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2014-08-20T06:37:07 < GargantuaSauce> alright time to redo my f103 board layout in 2 layer, because i'm too lazy to etch the one layer one i did
2014-08-20T06:38:54 < emeb_mac> wait what?
2014-08-20T06:39:15 < emeb_mac> if one layer is too hard, how is two an improvement?
2014-08-20T06:39:18 < GargantuaSauce> ie i'm going to make chinese fleshrobots do it
2014-08-20T06:39:25 < emeb_mac> ah
2014-08-20T06:39:56 < emeb_mac> I gave up home etching because batchpcb/oshpark
2014-08-20T06:40:20 < upgrdman> just hire an <ethnic minority> to etch your board at home. pick up a day laboring at the home improvement store.
2014-08-20T06:40:45 < emeb_mac> right - all the guys at the day labor stand know electronics
2014-08-20T06:41:06 < upgrdman> they do a good job if your prod them with a hot soldering iron.
2014-08-20T06:41:33  * emeb_mac expects that one day this will be true - all the anglo EEs will be looking for work
2014-08-20T06:41:49 < upgrdman> anglo == white?
2014-08-20T06:41:55 < emeb_mac> ya
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2014-08-20T06:42:18 < emeb_mac> as opposed to hispanic == brown here int the southwest
2014-08-20T06:47:24 < upgrdman> i think i'll pick up one of those Analog Discoveries. it would be nice to debug shit when not at the workbench.
2014-08-20T06:49:29 < emeb_mac> looks cool
2014-08-20T06:49:58 < emeb_mac> basically just a cypress fx + fpga + adc + dac
2014-08-20T06:50:09 < upgrdman> i should go to the public library with out and lay my shit out on a table. if i grew a beard and got a tan they might suspect me of making an explosive.
2014-08-20T06:50:37 < GargantuaSauce> ya and get some cardboard tubes, paint them red
2014-08-20T06:50:40 < upgrdman> flying wires, jumpers and mini-grabbers all off a DIY pcb
2014-08-20T06:50:54 < upgrdman> + wind up alarm clock, to make it look legit
2014-08-20T06:50:59 < GargantuaSauce> fill them with D-cells! convenient power source
2014-08-20T06:51:26 < emeb_mac> get some play-doh or modeling clay too
2014-08-20T06:51:39 < emeb_mac> and don't forget curly wires - all pros use curly wires
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2014-08-20T06:54:37 < upgrdman> maybe i could make a beowulf cluster of dingleberry pi's or something
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2014-08-20T06:55:48 < emeb_mac> don't forget to make a rack for your cluster out of legos
2014-08-20T06:56:07 < gxti> and immerse it in cooking oil for cooling
2014-08-20T06:56:30 < upgrdman> jesus fuck. that Waveforms software is peaking me cpu
2014-08-20T06:56:47 < upgrdman> fucking 8 core 2013 intel something, and its pegging it.
2014-08-20T06:57:01 < upgrdman> wtf are they do, nop'ing for fun
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2014-08-20T06:59:15 < madist> http://njw.me.uk/consent/
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2014-08-20T07:09:10 < GargantuaSauce> i see.
2014-08-20T07:10:09 < GargantuaSauce> progress and social liberation are good and all but
2014-08-20T07:10:30 < GargantuaSauce> if "he fucked the dog on that one" ever becomes a politically incorrect thing to say i am going to be unhappy
2014-08-20T07:15:34 < upgrdman> lol
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2014-08-20T07:27:41 < dongs> fuck so I was shopping for a pool pump  on jap auctions and didnt fucking pay atention and ordered a pool instead
2014-08-20T07:28:16 < dongs> now i got something I dont need, and i still dont have a pump :(
2014-08-20T07:30:45 < GargantuaSauce> lol what size
2014-08-20T07:31:33 < dongs> http://gfycat.com/SlightNearBat oh wow
2014-08-20T07:31:56 < baird> I start my day with a big bowl of coffee for breakfast... https://twitter.com/Chris_J_Baird/status/501942511338676225
2014-08-20T07:32:13 < dongs> i figured you'd start your day with a bowl, but not cofee
2014-08-20T07:32:22 < GargantuaSauce> whats the ps2 stuff youre doing btw baird
2014-08-20T07:32:51 < baird> GargantuaSauce: the youtube video? That was an old hack when I got the Independence Day Exploit happening.
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2014-08-20T07:33:30 < GargantuaSauce> ah
2014-08-20T07:33:43 < baird> The PS2 coding community were a bunch of wannabe Demosceners, so there wasn't much you could do with it because the stuff I did there.
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2014-08-20T07:53:18 < baird> I wonders if Hackaday could have its own Quinnspiracy shit being hidden away..
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2014-08-20T07:55:21 < baird> ..given that both groups both groups have ridiculously pathetic 'journalism' going..
2014-08-20T07:57:19 < dongs> lol journalism
2014-08-20T08:12:25 < dongs> heh
2014-08-20T08:12:33 < dongs> getscribblepen baleeted all their youtube vids
2014-08-20T08:12:39 < dongs> i wonder if people noticed it was all trolls
2014-08-20T08:14:51 < dongs> gentlemen, hide your SMPS designs
2014-08-20T08:18:28 < madist> transformers work by the magneticky principle
2014-08-20T08:19:29 < dongs> wow
2014-08-20T08:19:33 < dongs> that elsevier book is trash
2014-08-20T08:19:40 < madist> the electricky becomes magenticky and then the magneticky becomes electricky. sometimes there's a little bit of capacitiky stuff in there as well.
2014-08-20T08:19:44 < dongs> http://store.elsevier.com/So-You-Wanna-Be-an-Embedded-Engineer/Lewin-Edwards/isbn-9780080498157/
2014-08-20T08:19:47 < dongs> this
2014-08-20T08:19:55 < dongs> 1st illustration: 40-DIP 8051 pinout
2014-08-20T08:20:09 < dongs> then goes on to talk about Atmega32L and PIC and some brief mentio nof MSP430
2014-08-20T08:21:28 < GargantuaSauce> so in the dicktrace pcb layout program there's a distinction between 'components' and 'patterns'
2014-08-20T08:21:39 < GargantuaSauce> if i place a pattern is there a way to promote it to a component?
2014-08-20T08:21:44 < dongs> nope
2014-08-20T08:21:47 < dongs> you have to put it on schematic
2014-08-20T08:21:48 < emeb_mac> dongs: heh.
2014-08-20T08:21:49 < dongs> then resync
2014-08-20T08:22:04 < dongs> and afaik you cant back-reference pcb->schematic
2014-08-20T08:22:07 < GargantuaSauce> fuck
2014-08-20T08:22:14 < emeb_mac> the guy who wrote that is a bit of a pain in the ass
2014-08-20T08:22:56 < dongs> GargantuaSauce: any "pads" you place from PCB that didn't come from a linked schematic aren't considered as components, i guess
2014-08-20T08:23:08 < GargantuaSauce> yeah
2014-08-20T08:23:13 < GargantuaSauce> cant even select them properly, just the pads
2014-08-20T08:23:15 < dongs> its easy tho just add the shit in scheamtic and file->update  from schema or wahtever
2014-08-20T08:23:18 < dongs> eya
2014-08-20T08:23:38 < dongs> it keeps all your current layout/placement just adds misisng stuff
2014-08-20T08:23:43 < emeb_mac> yep
2014-08-20T08:23:47 < emeb_mac> best way
2014-08-20T08:23:56 < emeb_mac> always fwd annotate
2014-08-20T08:24:56 < GargantuaSauce> eh screw it
2014-08-20T08:25:17 < GargantuaSauce> dont need no steenking schematics
2014-08-20T08:25:33 < dongs> pfft
2014-08-20T08:25:50 < dongs> ya i use pcb in dicktrace/altium to do simple 2d cad stuff
2014-08-20T08:25:55 < emeb_mac> that's crazy talk
2014-08-20T08:26:03 < dongs> i did my deck stuff in it
2014-08-20T08:27:35 < GargantuaSauce> ha i can copypaste an existing component and change the pattern to what i want
2014-08-20T08:27:45 < dongs> well, that works.. too
2014-08-20T08:28:03 < GargantuaSauce> who needs the right way when there's the me way
2014-08-20T08:28:21 < emeb_mac> as long as you never need documentation
2014-08-20T08:28:39 < emeb_mac> could just do it with a dremel and a slab of fr4
2014-08-20T08:29:09 < GargantuaSauce> i've actually considered that
2014-08-20T08:29:39 < GargantuaSauce> .4mm pitch would be hard though
2014-08-20T08:29:55 < emeb_mac> there's that
2014-08-20T08:30:13 < dongs> wat are you doing wiht .4mm pitch if you dont need scheamtics
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2014-08-20T08:33:31 < GargantuaSauce> er .5
2014-08-20T08:33:44 < GargantuaSauce> i dunno if i'm making 10 of this board it's going to do a bit of everything
2014-08-20T08:33:55 < GargantuaSauce> 100 pin f103 breakout
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2014-08-20T08:34:21 < GargantuaSauce> spi for nrf24l01, i2c for whatever, usb
2014-08-20T08:35:00 < GargantuaSauce> guess i'll break out a few channels of one of the timers
2014-08-20T08:35:05 < emeb_mac> fun
2014-08-20T08:35:30 < GargantuaSauce> i really suck at this but it's kind of fun
2014-08-20T08:35:58 < GargantuaSauce> should be using the 48 pin package but i have the 100 pin one
2014-08-20T08:36:18 < emeb_mac> make what you want with what you've got
2014-08-20T08:44:39 < dongs> ;he cant refuse the $10/10 from dirtyshitpcbs
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2014-08-20T09:04:32 < effractur> [6~[6~[6~[6~[6~[6~[6~[6~/win 56
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2014-08-20T09:17:07 < dongs> http://www.goodluckbuy.com/aee-s71-4k-hd-wifi-portable-sport-motion-camera-10x-zoom-magicam-100m-waterproof.html lol
2014-08-20T09:18:57 < emeb_mac> good luck is right
2014-08-20T09:19:10 < emeb_mac> as in "good luck with that"
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2014-08-20T09:31:11 < ReadError_> i rather get banggood'd
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2014-08-20T12:17:25 < paulf_> Has anyone tried building a sleep phase tracker? I'd need some advice to not spend too much time on it.
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2014-08-20T12:21:50 < paulf_> Tectu: ping regarding openocd
2014-08-20T12:24:02 < karlp> kakeman: https://github.com/libopencm3/libopencm3-examples/tree/master/examples/lpc/lpc13xx/lpc-p1343/miniblink might be close enough for you...
2014-08-20T12:25:10 < Tectu> paulf_, pong
2014-08-20T12:26:02 < paulf_> Tectu: s3c2416 should be rather similar and the existing configs are likely to be working. Would you like to move over to #openocd to discuss this in more detail? I have a s3c2442 device handy for testing.
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2014-08-20T12:27:11 < Tectu> paulf_, sure, thanks
2014-08-20T12:39:41 < dongs> NDA chats
2014-08-20T12:39:44 < dongs> about kawaii things
2014-08-20T12:42:43 < paulf_> Just debugging some old board with jtag :)
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2014-08-20T13:43:10 < Fleck> GargantuaSauce: my problem solved! Broken code... bad systick config etc... :D
2014-08-20T13:43:18 < GargantuaSauce> cool
2014-08-20T13:44:16 < Fleck> I have no clue how this happened, one project w/o systick handler :D another with bad systick config etc...
2014-08-20T13:44:43 < Fleck> btw, can you compile default C code sample for F4 in eclipse?
2014-08-20T13:45:08 < Fleck> all examples gives me: fatal error: cstdlib: No such file or directory
2014-08-20T13:46:41 < paulf_> cstdlib? C++ ?
2014-08-20T13:46:56 < Fleck> I select C project
2014-08-20T13:47:26 < paulf_> cstdlib is C++
2014-08-20T13:47:42 < Fleck> so the examples are broken?
2014-08-20T13:49:23 < Fleck> or am I missing some packages?
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2014-08-20T14:05:51 < karlp> what examples?
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2014-08-20T14:10:33 < Fleck> eclipse > new project -> C Project -> STM32F4xx C/C++ Project
2014-08-20T14:12:02 < karlp> ohboi
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2014-08-20T14:15:15 < Fleck> before update those examples where ok, now they don't compile!
2014-08-20T14:19:09 < karlp> no-one knows what examples you're talking about man.
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2014-08-20T14:31:35 < GargantuaSauce> http://workman-industries.net/images/f1_rb2_pcb1.png
2014-08-20T14:31:37 < GargantuaSauce> so what'd i do wrong
2014-08-20T14:32:34 < GargantuaSauce> other than make a board for like 4 different projects
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2014-08-20T14:43:48 < Fleck> bad assumption karlp! :D
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2014-08-20T15:12:25 < karlp> well, you've not been getting any real answers, and you haven't really said what you updated, or where it all came from, and, hey, they don't work...
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2014-08-20T15:16:48 < CoolBear> GargantuaSauce: I see your problem, there is sauce on the pcb.
2014-08-20T15:17:05 < GargantuaSauce> i'll be sure to wipe it off before soldering
2014-08-20T15:17:25 < Laurenceb_> man sauce
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2014-08-20T15:22:11 < CoolBear> So between VDD and VDDA, what kind of inductance is recommended?
2014-08-20T15:22:30 < madis_> one million megafarads
2014-08-20T15:22:38 < madis_> err... henries
2014-08-20T15:22:41 < Fleck> :D
2014-08-20T15:22:41 < CoolBear> Heh
2014-08-20T15:23:05 < madis_> CoolBear: a ferrite bead, not an inductor. there's a difference.
2014-08-20T15:23:10 < madis_> inductors create problems.
2014-08-20T15:24:21 < CoolBear> Ah, right, my bad.
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2014-08-20T15:45:34 < Tectu> hi
2014-08-20T15:50:41 < Laurenceb_> attn dongs
2014-08-20T15:50:54 < Laurenceb_> i just got asked to remove my afro esc from shelf at work
2014-08-20T15:51:04 < Laurenceb_> apparently its "offensive"
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2014-08-20T15:54:30 < Tectu> efro esc?
2014-08-20T15:54:32 < Tectu> afro*
2014-08-20T15:55:42 < Laurenceb_> http://www.hobbyking.com/hobbyking/store/__39708__afro_esc_30amp_multi_rotor_motor_speed_controller_simonk_firmware_.html
2014-08-20T15:55:55 < Laurenceb_> "Enter Simon and Hamasaki AKA SimonK and timecop"
2014-08-20T15:57:00 < CoolBear> PC gone mental?
2014-08-20T15:57:26 < Laurenceb_> or successful troll is successful
2014-08-20T15:58:09 < englishman> full name: Ayumi Hamasaki
2014-08-20T15:58:30 < Tectu> how is that offensive
2014-08-20T15:58:34 < Tectu> it's a freaking motor controller
2014-08-20T15:59:05 < superbia> afro does the best work
2014-08-20T15:59:21 < superbia> for small money
2014-08-20T15:59:38 < Laurenceb_> hehe
2014-08-20T15:59:55 < Laurenceb_> i think you mean no money
2014-08-20T16:00:21 < superbia> one afro will cost u 20usd
2014-08-20T16:00:56 < Laurenceb_> wooshhh
2014-08-20T16:02:48 < superbia> Laurenceb_: next level http://www.polaroid.com/cube
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2014-08-20T17:31:45 < Tectu> That moment when your STM32F4 Discovery runs OpenGL (µGFX)   http://i.imgur.com/qfNihNe.jpg
2014-08-20T17:32:24 < Tectu> gears spinning at ~25FPS at 120x120 px
2014-08-20T17:34:09 < Laurenceb_> wut
2014-08-20T17:34:16 < Laurenceb_> opengl in µGFX?
2014-08-20T17:34:17 -!- IkedaChitose [~Kuro@177.45.247.152] has quit [Ping timeout: 272 seconds]
2014-08-20T17:36:03 < GargantuaSauce> sweet
2014-08-20T17:36:07 < GargantuaSauce> what subset are you supporting
2014-08-20T17:36:52 < kakeman> go my lpclink board today
2014-08-20T17:37:14 < kakeman> got
2014-08-20T17:37:44 < Tectu> Laurenceb_, yep, µGFX now optionally handles OpenGL
2014-08-20T17:37:53 < Laurenceb_> nice
2014-08-20T17:38:13 < Steffanx> *subset of
2014-08-20T17:38:22 < Tectu> ported TinyGL
2014-08-20T17:38:56 < Laurenceb_> now run doom
2014-08-20T17:39:13 < Tectu> Laurenceb_, we have a working doom demo since over a year now
2014-08-20T17:39:19 < Laurenceb_> wut?!
2014-08-20T17:39:24 < Laurenceb_> video :D
2014-08-20T17:39:39 < Tectu> never made a video, I don't have a good camera
2014-08-20T17:39:49 < Tectu> Laurenceb_, https://bitbucket.org/Tectu/ugfx/src/fbc9ce3a451e90cdc04ceb22765762fa22979578/demos/3rdparty/doom/?at=master
2014-08-20T17:40:10 < Laurenceb_> ok
2014-08-20T17:40:11 < Tectu> Laurenceb_, once run it on the STM32F429i-Discovery
2014-08-20T17:40:47 < Tectu> uGFX does some crazy things from time to time to show what can be done and to get away from the serious work
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2014-08-20T17:55:09 < Tectu> http://www.thecoinsman.com/2014/08/bitcoin/inside-chinese-bitcoin-mine/
2014-08-20T17:55:32 < Steffanx> people still do buttcoin?
2014-08-20T17:59:40 < gxti> lol
2014-08-20T18:00:30 < gxti> they are providing a valuable service -- feeding my schadenfreude
2014-08-20T18:03:44 < Tectu> wait, is 'schadenfreude' actually an official english word?
2014-08-20T18:03:52 < Tectu> also, 60k$ electricity bill per month.
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2014-08-20T18:04:34 < gxti> yes, it is pronounced "scootin' fruity" https://www.youtube.com/watch?v=d3_DjiLLDfo
2014-08-20T18:06:36 < Laurenceb_> word thieves
2014-08-20T18:08:56 < Steffanx> in german it sounds better.
2014-08-20T18:10:45 < kakeman> someday people realize that mining bitcoins is turning elecricity into heat
2014-08-20T18:11:05 < kakeman> mostly
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2014-08-20T18:44:31 < Laurenceb_> http://www.everythinginflatables.com/wp-content/uploads/2014/01/bubble-soccer.jpg
2014-08-20T18:44:35 < Laurenceb_> safety soccer
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2014-08-20T18:52:21 < karlp> no, just because it's fun
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2014-08-20T18:55:07 < gnomad> kakeman: that's why the real money is doing it on FPGA, or better yet, a botnet of hijacked machines.
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2014-08-20T18:59:41 < emeb> even FPGAs aren't really effective now
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2014-08-20T19:00:54 < jpa-> my friend makes some money by hijacking botnets set up by someone else
2014-08-20T19:01:40 < jpa-> 1. set up leaky php application in a honeypot  2. wait for a botnet to turn up  3. figure out how it communicates (usually not very complex or secure)  4. send command to transfer bitcoins to your account
2014-08-20T19:03:34 < emeb> haha
2014-08-20T19:03:51 < emeb> works great until the Russian mob turns up looking for their bitcoins
2014-08-20T19:04:14 < jpa-> yeah, and he has been wondering what the taxmen think about it
2014-08-20T19:05:06 < emeb> how do the taxmen even know?
2014-08-20T19:05:56 < Steffanx> they know everything..
2014-08-20T19:06:35 < jpa-> emeb: well if you take them as money to your account and later there is an investigation due to something or other
2014-08-20T19:06:54 < jpa-> so he has been wondering whether to declare as income or not
2014-08-20T19:07:12 < emeb> spend them as not_money
2014-08-20T19:07:34 < emeb> (no conversion)
2014-08-20T19:07:56 < emeb> then they just wonder "how did he get this thing?"
2014-08-20T19:08:11 < emeb> and you say "my rich aunt gave it to me"
2014-08-20T19:08:13 < jpa-> though what can you buy with bitcoins? drugs and vpn servers?
2014-08-20T19:08:32 < emeb> fair point
2014-08-20T19:08:48 < Steffanx> i think some webshops here in dutchland accept bitcoins
2014-08-20T19:08:50  * emeb gets income from a client in a foreign country via paypal
2014-08-20T19:08:54 < Steffanx> but im not sure which ones.
2014-08-20T19:09:01 < emeb> all gets declared on taxes...
2014-08-20T19:09:16 < gxti> gnomad: all of those shitty boards are custom ASICs that are useless for anything but mining buttcoins
2014-08-20T19:09:34 < emeb> that
2014-08-20T19:09:38 < gxti> it's long past the phase where FPGAs or botnets can do anything, it went full retard
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2014-08-20T19:10:21 < jpa-> botnets can still do things
2014-08-20T19:10:30 < jpa-> because you don't care about power efficiency
2014-08-20T19:10:43 < emeb> other people's electricity/time
2014-08-20T19:11:03 < jpa-> yeah
2014-08-20T19:11:39 < gxti> it's not totally free, because if you run it hard 24/7 people might actually notice and get their PC fixed
2014-08-20T19:13:03 < emeb> the secret to being a good parasite is to not kill your host
2014-08-20T19:13:44 < gxti> so if you make less money on the buttcoins (and it will be quite sparing) than you lose from machines getting fixed (or dying because they're clogged with dust monsters), you lose
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2014-08-20T19:19:16 < twixx> where can i find the can fifo size?
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2014-08-20T20:01:11 < madist> How missile guidance systems work: https://www.youtube.com/watch?v=3Bby5pOVZJ0
2014-08-20T20:03:30 < Steffanx> lol
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2014-08-20T20:06:06 < kakeman> before wathcing: there is tiny chinese man inside a missile
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2014-08-20T20:23:27 < superbia> b o n e r
2014-08-20T20:23:42 < superbia> http://www.beingjewish.com/conversion/becomingjewish.html
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2014-08-20T20:50:31 < gnomad> jpa-: that's a clever approach.
2014-08-20T20:51:12 < gnomad> superbia: and then there is the whole circumcision thing.
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2014-08-20T20:55:34 < kakeman> :D
2014-08-20T20:55:51 < kakeman> why would one turn to jewish?
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2014-08-20T21:01:13 < madist> I think everyone who converts to Judaism gets a free Jewish grandmother.
2014-08-20T21:01:28 < madist> they're good cooks, so ...
2014-08-20T21:05:55 < Laurenceb_> get to bomb arabs
2014-08-20T21:08:05 < kakeman> get nice chicks?
2014-08-20T21:08:44 < Laurenceb_> get jewgold
2014-08-20T21:09:12 < Laurenceb_> http://www.gagful.com/uploads/2012_1/1326188829_The_jew_factory_gag.jpg
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--- Day changed Thu Aug 21 2014
2014-08-21T00:04:48 < Tectu> are all pins on STM32 5V compatible?
2014-08-21T00:05:02 < Tectu> can I take a GPIO, make it OpenDrain and go 5V pullup?
2014-08-21T00:06:38 < aadamson> Tectu, NO not all the pins are 5v tolerant, you need to read the datasheets, they tell you which are, and it depends on what processor
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2014-08-21T00:07:08 < Tectu> aadamson, in which section of the datasheet do I find that?
2014-08-21T00:07:12 < Tectu> aadamson, STM32F405RGT
2014-08-21T00:07:33 < aadamson> in the section that tell you what each pin does
2014-08-21T00:07:51 < aadamson> there is a column with an f/t or something you'll have to decode it and read it
2014-08-21T00:07:58 < Tectu> okay, thanks
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2014-08-21T00:12:12 < kakeman> :)
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2014-08-21T00:50:25 < Tectu> c'mon
2014-08-21T00:50:31 < Tectu> somebody wants to fool me toda
2014-08-21T00:50:32 < Tectu> today*
2014-08-21T00:51:02 < Tectu> PA6 (pin 22) of STM32F405RGT6... It is 5V tolerant. I put a pullup (1k) on it and set it to opendrain mode. I toggle the pin but it stays high
2014-08-21T00:51:05 < Tectu> any wild guesses?
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2014-08-21T00:59:48 < Tectu> fixed.... chibios documentation states old code... -.-
2014-08-21T01:10:41 < Laurenceb> need Doom videos...
2014-08-21T01:14:54 < Steffanx> https://www.youtube.com/watch?v=yr-lQZzevwA
2014-08-21T01:15:35 < Laurenceb> on stm32
2014-08-21T01:20:57 < Tectu> Laurenceb, download µGFX, run demo.
2014-08-21T01:21:19 < Tectu> note: you need a dev-board with external memory
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2014-08-21T01:26:29 < Laurenceb> ill try it tomorrow
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2014-08-21T01:51:38 < dongs> sup innovators
2014-08-21T01:53:47 < qyx_> reinventing file transfer over radio
2014-08-21T01:54:01 < dongs> zmodem??
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2014-08-21T01:55:41 < qyx_> king of
2014-08-21T01:55:45 < qyx_> kind of
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2014-08-21T02:12:02 < Laurenceb> pedobear approves
2014-08-21T02:12:20 < Laurenceb> what the actual fuck
2014-08-21T02:12:21 < Laurenceb> http://hackaday.com/2014/08/20/lost-pla-casting-with-a-little-help-from-your-microwave/
2014-08-21T02:12:39 < Laurenceb> metal level: soviet russia
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2014-08-21T02:34:05 < dongs> https://www.packtpub.com/hardware-and-creative/raspberry-pi-secret-agents
2014-08-21T02:34:08 < dongs> lool
2014-08-21T02:36:57 < dongs> https://www.kickstarter.com/projects/1859884318/oscar-the-open-screen-adapter/posts
2014-08-21T02:37:00 < dongs> haha
2014-08-21T02:37:12 < dongs> so they made ~100 with burned connector,s and had so much cash left over, they orderdd another 100
2014-08-21T02:37:19 < dongs> from "another board house"
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2014-08-21T02:49:27 < _Sync_> kek
2014-08-21T02:50:51 < gxti> kek?
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2014-08-21T03:05:36 < upgrdman> i wonder if this is just a well-tuned PID loop    https://www.youtube.com/watch?v=KBMU6l6GsdM
2014-08-21T03:07:40 < GargantuaSauce> i suspect it's more sophisticated than that
2014-08-21T03:07:55 < GargantuaSauce> also shit that's cool
2014-08-21T03:07:59 < GargantuaSauce> and that was 6 years ago!
2014-08-21T03:08:00 < upgrdman> only one way to find out. it's on my to-do list now ;)
2014-08-21T03:08:47 < dongs> isnt that super old
2014-08-21T03:10:09 < upgrdman> 2008 according to the movie
2014-08-21T03:10:28 < GargantuaSauce> yeah no i dont think it'd be just a straight pid loop
2014-08-21T03:10:39 < GargantuaSauce> cause that whole approach is built on the principle of a linear system right
2014-08-21T03:10:52 < GargantuaSauce> and the action of those rockets is definitely nonlinear
2014-08-21T03:12:18 < GargantuaSauce> and given that it's tracking a target with probably ir vision or radar there's probably some serious probabilistic models involved
2014-08-21T03:12:43 < dongs> probably controlled by a single arduino
2014-08-21T03:14:24 < upgrdman> + pi
2014-08-21T03:14:39 < upgrdman> and a super long hdmi cable
2014-08-21T03:14:56 < GargantuaSauce> look how it moves from the starting location with a hole in the floor to straight concrete much closer to it
2014-08-21T03:15:06 < GargantuaSauce> zero loss of stability from the ground effect
2014-08-21T03:15:19 < upgrdman> (i was kidding about the PID part... i was certain it was more complex)
2014-08-21T03:15:19 < GargantuaSauce> it's like it's sitting on a damn pedestal
2014-08-21T03:16:53 < GargantuaSauce> the more i watch this the more amaze i am
2014-08-21T03:18:34 < dongs> waht i want to see is bloopers
2014-08-21T03:18:39 < dongs> they got that netting around for a reason
2014-08-21T03:18:52 < dongs> imagine that thing throwing itself around the room out of control
2014-08-21T03:18:59 < GargantuaSauce> oh yeah i'm sure it's accelerated fullspeed into the wall a good few times
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2014-08-21T03:21:23 < GargantuaSauce> wonder what kind of thrusters those are...the whole thing is rather compact
2014-08-21T03:30:44 < dongs> and heavy
2014-08-21T03:31:09 < dongs> plot twist: what if that room is artifical zero gravity
2014-08-21T03:36:32 < upgrdman> wtf robot https://www.youtube.com/watch?v=V2zNOP6RqRk&t=11m26s
2014-08-21T03:39:35 < GargantuaSauce> lol .1" header
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2014-08-21T04:31:23 < emeb_mac> l053 discovery ordered. seems like it might be fun
2014-08-21T04:33:49 < upgrdman> that the eink one?
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2014-08-21T04:34:59 < emeb_mac> ya
2014-08-21T04:35:06 < emeb_mac> that look interesting
2014-08-21T04:58:39 < dongs> mine arrives today
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2014-08-21T04:58:49 < dongs> furiously finishing up morning dicknplacing so i can dick wiht it aat afternon
2014-08-21T04:58:55 < emeb_mac> w00t
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2014-08-21T05:05:20 < dongs> ohh
2014-08-21T05:05:25 < dongs> dk just got some stock in
2014-08-21T05:05:31 < dongs> 34 avail now
2014-08-21T05:05:36 < dongs> from ~9 monday
2014-08-21T05:13:37 < emeb_mac> they sense increased demand
2014-08-21T05:34:21 < GargantuaSauce> ha dirtypcbs lets you browse other peoples' orders
2014-08-21T05:34:29 < dongs> lol
2014-08-21T05:34:30 < dongs> url
2014-08-21T05:34:36 < dongs> so i can see waht embarassing shit others order
2014-08-21T05:34:46 < GargantuaSauce> http://dirtypcbs.com/view.php?share=1372&accesskey= well theres mine
2014-08-21T05:34:49 < GargantuaSauce> just play with the param
2014-08-21T05:34:52 < GargantuaSauce> access needs to be blank
2014-08-21T05:35:25 < dongs> hm i think thats just part of thier shit that you can reorder someone elses freetard stuff, no?
2014-08-21T05:35:31 < GargantuaSauce> oh maybe
2014-08-21T05:35:53 < GargantuaSauce> nope thats definitely a small subset
2014-08-21T05:36:06 < dongs> http://dirtypcbs.com/view.php?share=1368&accesskey=
2014-08-21T05:36:07 < dongs> wtf
2014-08-21T05:36:09 < dongs> that QFP
2014-08-21T05:36:25 < dongs> its like 24qfp in 7x7?-ish
2014-08-21T05:36:28 < dongs> such waste
2014-08-21T05:36:44 < GargantuaSauce> ya lots of these are about 3x too big
2014-08-21T05:36:51 < GargantuaSauce> lots of very trivial ones too
2014-08-21T05:36:57 < GargantuaSauce> i feel better about my shitty first attempt not
2014-08-21T05:36:58 < GargantuaSauce> now
2014-08-21T05:37:49 < dongs> trying to find something that isnt retraeded huge dip shit
2014-08-21T05:37:57 < GargantuaSauce> then again at this price point there isnt really such thing as waste
2014-08-21T05:38:50 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1358 sweet
2014-08-21T05:40:20 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1349
2014-08-21T05:40:29 < upgrdman> i guess my pcb was pretty ambitious compared to some of those boards
2014-08-21T05:40:40 < GargantuaSauce> yeah looks like it
2014-08-21T05:41:12 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1344 4 layers??
2014-08-21T05:41:29 < GargantuaSauce> looks like 2 to me
2014-08-21T05:41:36 < dongs> theres some vias that go nowhere
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2014-08-21T05:41:54 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1342 haha dickcopter
2014-08-21T05:42:07 < GargantuaSauce> oh yeah near the middle
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2014-08-21T05:43:58 < GargantuaSauce> 1330 is kinda weird, wonder what the big dip module is
2014-08-21T05:44:17 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1335
2014-08-21T05:44:22 < dongs> lol mega328
2014-08-21T05:44:55 < dongs> GargantuaSauce: there was a red version of this
2014-08-21T05:44:56 < dongs> ~20 back
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2014-08-21T05:45:13 < dongs> GargantuaSauce: im guessing LCD of some kind
2014-08-21T05:45:22 < dongs> or led/someshit
2014-08-21T05:45:26 < dongs> and those shift registers to drive it
2014-08-21T05:45:46 < GargantuaSauce> makes sense
2014-08-21T05:46:17 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1328 ohhh
2014-08-21T05:46:20 < dongs> putting emeb_mac out of biz
2014-08-21T05:46:26 < dongs> with beagleboner capes
2014-08-21T05:46:35 < emeb_mac> lol
2014-08-21T05:47:05 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1326 wow that is cool
2014-08-21T05:47:13 < emeb_mac> lame cape
2014-08-21T05:47:52 < GargantuaSauce> man the yellow is fugly
2014-08-21T05:48:03 < GargantuaSauce> probably looks just as bad irl
2014-08-21T05:48:15 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1307 lol
2014-08-21T05:48:47 < GargantuaSauce> the ULTIMATE POWER
2014-08-21T05:49:03 < GargantuaSauce> this is awesome i am so glad their webapp is a buggy piece of shit
2014-08-21T05:49:09 < dongs> haha
2014-08-21T05:49:22 < dongs> wait, PDP-11...
2014-08-21T05:49:59 < dongs> why the fuck a bunch of boards have mirrored silk
2014-08-21T05:50:00 < dongs> on bottom
2014-08-21T05:50:03 < dongs> is it thier previewer
2014-08-21T05:50:07 < GargantuaSauce> its the preview
2014-08-21T05:50:07 < dongs> or people are just dum
2014-08-21T05:50:09 < dongs> oh ok
2014-08-21T05:50:12 < dongs> they're all inverted?
2014-08-21T05:50:16 < GargantuaSauce> viewed from the top right
2014-08-21T05:50:31 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1299 wau
2014-08-21T05:50:33 < dongs> another 4L
2014-08-21T05:50:34 < GargantuaSauce> so you're looking through the text from the back
2014-08-21T05:51:05 < dongs> waht does this kidna routing?
2014-08-21T05:51:15 < dongs> all traces going in one direction on one layer
2014-08-21T05:51:18 < dongs> then perpendicular ona nother
2014-08-21T05:51:23 < dongs> is that eagle autoroute or somethign
2014-08-21T05:51:41 < GargantuaSauce> thats how dave jones teaches it :V
2014-08-21T05:51:50 < emeb_mac> I know people who do it by hand that way
2014-08-21T05:51:51 < dongs> pfft
2014-08-21T05:51:52 < GargantuaSauce> so what if you end up having 4 vias along a signal path
2014-08-21T05:53:45 < GargantuaSauce> :( ran out
2014-08-21T05:53:56 < GargantuaSauce> oh there's just a big gap
2014-08-21T05:54:29 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1298 i wonder what this is..
2014-08-21T05:54:45 < dongs> http://dirtypcbs.com/order_images/-1297_top.png
2014-08-21T05:54:46 < dongs> lol
2014-08-21T05:55:29 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=1293 someone cloned buttpirate
2014-08-21T05:55:35 < GargantuaSauce> this is them
2014-08-21T05:56:39 < dongs> where does it drop afer 1200/
2014-08-21T05:57:01 < GargantuaSauce> theres a few sporadic ones around
2014-08-21T05:57:08 < GargantuaSauce> seems to come back solid 650-ish
2014-08-21T05:57:12 < dongs> oh, 1100
2014-08-21T05:57:16 < GargantuaSauce> maybe more
2014-08-21T05:57:33 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=673 promising
2014-08-21T05:58:14 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=690
2014-08-21T05:58:16 < dongs> YESSSSSSSSSSSSSSSSSS
2014-08-21T05:58:51 < emeb_mac> ooops
2014-08-21T05:59:13 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=668 pros put everything at 45 degrees rite
2014-08-21T05:59:25 < GargantuaSauce> and feed the xtal through vias
2014-08-21T05:59:45 < dongs> .ru
2014-08-21T05:59:57 < dongs> R2COM land
2014-08-21T06:00:07 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=694 ... VHS?
2014-08-21T06:00:49 < englishman> hehe
2014-08-21T06:01:15 < englishman> did rocketcom ever say where he went
2014-08-21T06:01:19 < englishman> ISS?
2014-08-21T06:01:22 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=658 oop nobody better steal this design, it's copyrighted!
2014-08-21T06:01:34 < GargantuaSauce> he's back if you havent noticed
2014-08-21T06:01:39 < dongs> thats for rapeberrypi, isnt it
2014-08-21T06:01:40 < GargantuaSauce> i dont think he said anything
2014-08-21T06:01:47 < GargantuaSauce> oh yes i suppose it is
2014-08-21T06:01:53 < englishman> i noticed
2014-08-21T06:01:56 < englishman> only three leds, lame
2014-08-21T06:02:06 < englishman> hmm, yep
2014-08-21T06:02:07 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=672 wot
2014-08-21T06:02:13 < englishman> mypifi
2014-08-21T06:02:26 < GargantuaSauce> looks like there's an order for EVERY soldermask colour for that design
2014-08-21T06:02:31 < dongs> yep
2014-08-21T06:02:33 < dongs> must be tom66
2014-08-21T06:02:38 < dongs> next hes gonna throw it into the grass
2014-08-21T06:02:42 < dongs> to see how it contrasts with green
2014-08-21T06:03:06 < GargantuaSauce> that one looks like a touch button and ....possibly the same shit uhf transmitter as i was messing with last night?
2014-08-21T06:03:11 < GargantuaSauce> http://xn--d-bga.su/315.png that one
2014-08-21T06:03:56 < GargantuaSauce> http://mypifi.net/ holy fuck
2014-08-21T06:04:09 < GargantuaSauce> flash buttons
2014-08-21T06:04:25 < dongs> oh gawd
2014-08-21T06:04:28 < dongs> they have a kicksarter link
2014-08-21T06:04:33 < dongs> https://www.kickstarter.com/projects/1059145052/mypifi-led-board loooooooooooooooooooooooool
2014-08-21T06:04:59 < englishman> actually delivered
2014-08-21T06:05:01 < englishman> not so bad
2014-08-21T06:05:08 < GargantuaSauce> 6 pounds.
2014-08-21T06:05:22 < dongs> BOM cost < $1 right
2014-08-21T06:05:33 < dongs> and fgt used dirtypcbs to get rich quick.
2014-08-21T06:05:36 < GargantuaSauce> well he's not panelizing the boards so they're about a dollar each
2014-08-21T06:05:44 < GargantuaSauce> assuming lots of quantity
2014-08-21T06:05:46 < englishman> 1300gbp, get rich quick
2014-08-21T06:05:54 < englishman> ok
2014-08-21T06:06:11 < englishman> any news from castAR dongs?
2014-08-21T06:07:09 < dongs> looks like boring shit
2014-08-21T06:07:10 < dongs> nope
2014-08-21T06:07:30 < dongs> https://www.kickstarter.com/projects/1883701526/matchboxarm/comments
2014-08-21T06:07:40 < dongs> mostly rage in comments
2014-08-21T06:08:10 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=641 CRT driver? :/
2014-08-21T06:08:15 < dongs> https://www.youtube.com/watch?v=OuWqJCdwi7s my sdcard mediaplayer
2014-08-21T06:08:16 < GargantuaSauce> made by a google engineer
2014-08-21T06:08:25 < englishman> rage is irrelevant, money has changed hands
2014-08-21T06:09:07 -!- madist [madist@unaffiliated/madist] has quit [Ping timeout: 255 seconds]
2014-08-21T06:09:55 < GargantuaSauce> dat compression
2014-08-21T06:10:31 < englishman> you keeping that ws2812 guy in business dongs
2014-08-21T06:10:38 < dongs> englishman: thats not 2812
2014-08-21T06:10:52 < dongs> its 2801? or wahtever with 3 dots per pixel
2014-08-21T06:10:57 < englishman> cool
2014-08-21T06:12:04 < dongs> ughhh
2014-08-21T06:12:07 < dongs> theres like 20 mypifi orders
2014-08-21T06:12:16 < GargantuaSauce> yeah
2014-08-21T06:12:22 < GargantuaSauce> 3 or 4 revs in every colour
2014-08-21T06:13:18 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=625 bluetooth module with the antenna right over the board
2014-08-21T06:13:23 < GargantuaSauce> at least theres no ground plane i guess
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2014-08-21T06:13:53 < dongs> bluewatch
2014-08-21T06:13:56 < dongs> what is that logo
2014-08-21T06:14:19 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=639 lol 3d dicker for PI
2014-08-21T06:15:09 < GargantuaSauce> house4hack
2014-08-21T06:15:13 < GargantuaSauce> http://wiki.openhardware.co.za/index.php?title=House4Hack_BlueWatch_Project
2014-08-21T06:16:08 < dongs> haah
2014-08-21T06:16:22 -!- MrM0bius [~Joey@c-98-223-189-47.hsd1.in.comcast.net] has quit [Ping timeout: 260 seconds]
2014-08-21T06:17:11 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=616 why do people bother to do this shit!
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2014-08-21T06:17:20 < GargantuaSauce> break a perfboard, god.
2014-08-21T06:17:26 < dongs> thats also for pi
2014-08-21T06:17:33 < GargantuaSauce> ya
2014-08-21T06:17:38 < GargantuaSauce> with all th parts
2014-08-21T06:17:39 < dongs> so that explains it
2014-08-21T06:18:19 < englishman> i have a rpi with an afroinverter :P
2014-08-21T06:19:00 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=611 wonder if he did that with eagle
2014-08-21T06:19:37 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=608
2014-08-21T06:20:07 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=604 wow finally something with stm43
2014-08-21T06:20:32 < dongs> that ur lis unreadable
2014-08-21T06:21:09 < dongs> somethingsomething .info/demo-stick
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2014-08-21T06:21:21 < dongs> something-electronics.info
2014-08-21T06:21:47 -!- sanity93 [~san@ec2-54-79-46-246.ap-southeast-2.compute.amazonaws.com] has joined ##stm32
2014-08-21T06:22:36 < dongs>    wtf google is down
2014-08-21T06:22:52 < dongs> https://www.google.com/search?q=electronics.info%2Fdemo-stick
2014-08-21T06:22:57 < dongs> just times out.
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2014-08-21T06:24:26 < GargantuaSauce> i cant figure out the 4th character
2014-08-21T06:24:34 < GargantuaSauce> mag_ustron electronics
2014-08-21T06:25:52 < dongs> uggg
2014-08-21T06:27:11 < GargantuaSauce> looks like an e but thats not right
2014-08-21T06:27:48 < dongs> fuck
2014-08-21T06:27:49 < dongs> i must know what it is
2014-08-21T06:28:09 < GargantuaSauce> i know it's captivating
2014-08-21T06:29:13 < dongs> magnus?
2014-08-21T06:29:25 < dongs> newp
2014-08-21T06:29:43 < dongs> http://hackaday.io/hacker/22880
2014-08-21T06:30:45 < GargantuaSauce> yeah probably that guy, and maybe the domain expired or something
2014-08-21T06:30:47 < dongs> not a very active twitterer
2014-08-21T06:30:49 < dongs> yea
2014-08-21T06:30:52 < GargantuaSauce> bad web presence
2014-08-21T06:30:54 < GargantuaSauce> for shame
2014-08-21T06:31:35 < GargantuaSauce> 603 is sooo huuuuge
2014-08-21T06:31:53 < GargantuaSauce> guess they decided 10x10 cause thats what they're paying for
2014-08-21T06:32:11 < GargantuaSauce> oh fuck me i forgot mounting holes
2014-08-21T06:32:24 < GargantuaSauce> hot glue it is.
2014-08-21T06:33:11 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=599 ooklay
2014-08-21T06:33:18 < dongs> er,, ookay
2014-08-21T06:33:39 < GargantuaSauce> lol 595
2014-08-21T06:33:45 < dongs> yea i just saw that
2014-08-21T06:34:03 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=593
2014-08-21T06:34:05 < dongs> hahah
2014-08-21T06:34:13 < dongs> i wonder waht the fuck is going on there
2014-08-21T06:34:19 < dongs> nice vias/bends in ghz traces
2014-08-21T06:34:29 < dongs> msut be adapting trashberry hdmi connector into some enclosure
2014-08-21T06:34:33 < dongs> lunch time bbl
2014-08-21T06:35:30 < GargantuaSauce> 590 is really weird
2014-08-21T06:35:39 < GargantuaSauce> holes offset
2014-08-21T06:44:22 < dongs> GargantuaSauce: its pre-offset
2014-08-21T06:44:25 < dongs> to compensate for shitty drilling
2014-08-21T06:44:35 < dongs> so when it comes out, there's some hope of it beign right!
2014-08-21T06:44:48 < GargantuaSauce> yeah but how do they know which way the offset will be!
2014-08-21T06:44:59 < GargantuaSauce> i imagine when they panelize stuff gets rotated
2014-08-21T06:45:27 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=589 if this shit wasnt i2c this would actually be useful
2014-08-21T06:45:36 < dongs> ive got liek 20 of those lcds w/o carrier boards
2014-08-21T06:50:20 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=582
2014-08-21T06:51:16 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=570
2014-08-21T06:51:19 < dongs> looks like a ninendong cart
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2014-08-21T06:53:00 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=555 prooo
2014-08-21T06:53:16 < dongs> 68k lo
2014-08-21T06:53:32 < dongs> i wonder what the fuck is going on tehre
2014-08-21T06:53:33 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has quit [Ping timeout: 272 seconds]
2014-08-21T06:53:52 < dongs> oh wat
2014-08-21T06:53:56 < dongs> 9tails A600 acelerator
2014-08-21T06:54:07 < ReadError> lol
2014-08-21T06:54:10 < ReadError> this a bug in the site?
2014-08-21T06:54:14 < dongs> http://www.ppa.pl/forum/komentarze/26455/ninetails-68ec020-do-a600-prototyp-walki-ciag-dalszy
2014-08-21T06:54:26 < dongs> looks like some amiga garbage
2014-08-21T06:54:33 < dongs> ReadError: yea
2014-08-21T06:54:40 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has joined ##stm32
2014-08-21T06:55:35 < dongs> Add 4MB of Fast RAM to your unexpanded Amiga 600/1200. This additional memory will make your system much faster and allow to run more demanding games and applications..
2014-08-21T06:56:42 < baird> And load more essential German beastiality IFFs files
2014-08-21T06:57:00 < dongs> IFFs? more like YiFFs
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2014-08-21T06:57:19 < emeb_mac> haters
2014-08-21T06:59:19 < dongs> https://github.com/rkujawa/ppa-pcmcia-sram/tree/master/board/v2.1/Eagle
2014-08-21T06:59:20 < dongs> eagle :(
2014-08-21T06:59:31 -!- Rickta59 [~Rickta59@cpe-174-106-144-066.ec.res.rr.com] has quit [Ping timeout: 255 seconds]
2014-08-21T06:59:53 < emeb_mac> wonder if anyone has inmos t801 designs so I can use up these ancient transputers I've got.
2014-08-21T07:00:15 < dongs> http://dirtypcbs.com/view.php?accesskey=&share=552
2014-08-21T07:00:17 < dongs> englishman: ^
2014-08-21T07:00:21 < dongs> err emeb_mac ^
2014-08-21T07:00:26 < dongs> "inmos link adapter"
2014-08-21T07:01:43 < emeb_mac> lol
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2014-08-21T07:02:55 < emeb_mac> rpi to inmos - waste of good inmos
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2014-08-21T07:21:35 < GargantuaSauce> http://dirtypcbs.com/view.php?accesskey=&share=527 dongs
2014-08-21T07:23:44 < dongs> loo
2014-08-21T07:24:07 < dongs> um wat
2014-08-21T07:24:12 < dongs> single channel led driver?
2014-08-21T07:24:20 < dongs> wait, not even
2014-08-21T07:24:25 < dongs> just boost and some resistors in series
2014-08-21T07:24:31 < dongs> lol'd
2014-08-21T07:25:35 < dongs> MSP-SBW..
2014-08-21T07:25:37 < dongs> is that MSP430 in there?
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2014-08-21T07:30:21 < upgrdman> i find that my code has globals defined in several files. would it be neater / better style to just define ALL globals in main.c and use externs everywhere else?
2014-08-21T07:31:27 < GargantuaSauce> externs in a header
2014-08-21T07:31:38 < GargantuaSauce> solid definitions in a c file, probably not main but like a globals.c
2014-08-21T07:32:00 < upgrdman> solid?
2014-08-21T07:32:09 < GargantuaSauce> not the right term
2014-08-21T07:32:16 < GargantuaSauce> concrete? i dunno
2014-08-21T07:32:24 < upgrdman> as in with a value assigned?
2014-08-21T07:32:31 < GargantuaSauce> no as in declared without extern
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2014-08-21T07:32:35 < upgrdman> o ok
2014-08-21T07:32:51 < GargantuaSauce> extern just says "there's a variable like this somewhere, we'll let the linker deal with it"
2014-08-21T07:32:56 < upgrdman> ya
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2014-08-21T07:39:38 < paulf_> http://withimagination.imgtec.com/wp-content/uploads/2013/04/MIPS_Microchip-PIC32-MCUs-first-in-EE-Times-survey-1024x697.jpg
2014-08-21T07:40:53 < GargantuaSauce> i like how they say arduino instead of atmega8
2014-08-21T07:41:54 < dongs> wut
2014-08-21T07:42:01 < dongs> who teh fuck actually uses pic32
2014-08-21T07:44:11 < emeb_mac> I tried - hated it.
2014-08-21T07:44:23 < emeb_mac> "it's slower, but it uses more memory"
2014-08-21T07:44:40 < paulf_> There should be some explanation for the
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2014-08-21T07:44:42 < GargantuaSauce> not a fan of mips?
2014-08-21T07:44:45 < paulf_> EE times statistics though.
2014-08-21T07:44:46 < GargantuaSauce> or are the peripherals bad too
2014-08-21T07:44:53 < madist> azonenberg is a fan of MIPS
2014-08-21T07:45:05 < emeb_mac> peripherals are the same as PIC18 and PIC24
2014-08-21T07:45:15 < emeb_mac> but the MIPS CPU is a dog
2014-08-21T07:45:21 < emeb_mac> horrible code density
2014-08-21T07:47:24 < baird> I think the PIC32 thing is because Windows IDEs are chucked in with it..
2014-08-21T07:48:16 < paulf_> New micromips ISA, is said to improve code density considerably: http://blog.imgtec.com/mips-processors/new-microaptiv-based-pic32mz-32-bit-mcu-family-microchip
2014-08-21T07:48:41 < emeb_mac> maybe - the ones I was (trying) were mx
2014-08-21T07:49:24 < emeb_mac> PIC24 w/ same clock & memory actually performs better
2014-08-21T07:49:37 < ds2> thumb2 or bust :D
2014-08-21T07:49:42 < emeb_mac> +1
2014-08-21T08:01:35 < upgrdman> "sqi" wtf?
2014-08-21T08:02:19 < upgrdman> from   http://withimagination.imgtec.com/wp-content/uploads/2013/11/Microchip-PIC32MZ-block-diagram-MIPS-microAptiv.jpg
2014-08-21T08:03:39 < dongs> serial soemthing interface
2014-08-21T08:03:43 < dongs> probly some useless PIC shit
2014-08-21T08:03:59 < dongs> lol @ no dma for spi/capcom
2014-08-21T08:04:01 < GargantuaSauce> "serial quad interface"
2014-08-21T08:04:08 < GargantuaSauce> sounds like.....a parallel interface
2014-08-21T08:04:20 < GargantuaSauce> or maybe it's serial at 4x clock rate
2014-08-21T08:05:19 < dongs> oh maybe 8ch dma thing d oes random peripherals
2014-08-21T08:05:25 < dongs> and t he other ones are for the other shit
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2014-08-21T08:19:33 < emeb_mac> pretty sure that's right
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2014-08-21T08:43:17 < paulf_> E.g. Quad-SPI: http://www.winbond-usa.com/hq/enu/ProductAndSales/ProductLines/FlashMemory/SerialFlash/
2014-08-21T08:48:18 < paulf_> Apparently quad spi means you have 4 bidirectional data lines which are sampled by the slave on the rising clk edge and you get the reply on the falling edge.
2014-08-21T08:48:29 < rewolff> Like "SD": the protocol is like SPI (serial), but instead of one data lane, you have 2, or 4.
2014-08-21T08:48:44 < englishman> dongs you can stop all your pcb purchases https://www.kickstarter.com/projects/botfactory/squink-the-personal-electronic-circuit-factory
2014-08-21T08:48:50 < dongs> l0 just arrived
2014-08-21T08:52:01 < dongs> haha what the hell
2014-08-21T08:52:04 < dongs> theres L152 and L053
2014-08-21T08:52:08 < dongs> on that -disco
2014-08-21T08:52:10 < dongs> and F103
2014-08-21T08:52:46 < englishman> f103 for stdink right
2014-08-21T08:54:29 < dongs> y
2014-08-21T08:56:37 < baird> Odd. gas isn't accepting 0b-encoded binary value .byte statements..
2014-08-21T08:57:16 < baird> Ox-encoded hex, decimal are a-okay.
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2014-08-21T09:02:02 < dongs> englishman: http://www.kicktraq.com/projects/botfactory/squink-the-personal-electronic-circuit-factory/ nice private funding
2014-08-21T09:02:11 < dongs> they saw tehy were failing
2014-08-21T09:02:16 < dongs> so chipped in 20k of thier own
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2014-08-21T09:12:33 < dongs> omg
2014-08-21T09:12:35 < dongs> so epaper
2014-08-21T09:12:37 < dongs> looks amaze
2014-08-21T09:13:29 < emeb_mac> new disco?
2014-08-21T09:13:47 -!- kuldeepdhaka [~kuldeepdh@unaffiliated/kuldeepdhaka] has joined ##stm32
2014-08-21T09:14:01 < dongs> ya
2014-08-21T09:14:09 < dongs> 14:52 < dongs> haha what the hell
2014-08-21T09:14:09 < dongs> 14:52 < dongs> theres L152 and L053
2014-08-21T09:14:11 < dongs> ^ arrived
2014-08-21T09:14:20 < dongs> looks like L152 is driving the epper thing..
2014-08-21T09:14:33 < emeb_mac> lol
2014-08-21T09:14:42 < emeb_mac> I guess that explains the pricing
2014-08-21T09:15:27 < emeb_mac> are both L0x parts programmable?
2014-08-21T09:16:14 < dongs> hm no directly i cguess
2014-08-21T09:16:16 < dongs> i see a 4 pin thing
2014-08-21T09:16:19 < dongs> that goes under the epaper
2014-08-21T09:16:24 < dongs> i think thats SWD for L152
2014-08-21T09:17:11 < emeb_mac> so that's purely the epaper driver
2014-08-21T09:23:33 < dongs> englishman: actually reading thier page, its such a fucking scam
2014-08-21T09:24:34 < dongs> 1) doesnt work very well https://www.youtube.com/watch?v=FYgIuc-VqHE
2014-08-21T09:24:55 < dongs> 2) they're selling you a $2000 printer (that nbody actually pledged for) so you can make circuits for "less than cost of coffee"
2014-08-21T09:25:08 < dongs> that $2k will go a long way on buying 5x5 PCBs from dirtypcbs.com
2014-08-21T09:28:19 < dongs> https://www.kickstarter.com/projects/343910040/atomwear wat
2014-08-21T09:28:35 < dongs> HEY
2014-08-21T09:28:44 < dongs> that shit looks like stuff i saw on dirtypcbs
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2014-08-21T09:52:15 < qyx_> dongs: wat
2014-08-21T09:52:22 < dongs> qyx_: wat wat
2014-08-21T09:52:34 < qyx_> theres no L152 according to theri schematic
2014-08-21T09:53:06 < qyx_> is it directly attached to the epd module?
2014-08-21T09:53:52 < qyx_> wait what
2014-08-21T09:54:17 < qyx_> it is there
2014-08-21T09:55:09 < qyx_> for IDD measurement
2014-08-21T10:02:09 < dongs> haha
2014-08-21T10:02:11 < dongs> thats all its for??
2014-08-21T10:05:31 < paulf_> CN6 allows to reprogram it. It's "Multi-function eXpander" haha
2014-08-21T10:13:35 < paulf_> And solder bridges allow to connect its usart3 to stlink for serial access.
2014-08-21T10:14:10 < paulf_> I wonder why they decided to go with another controller instead of implementing the same idea as they used for the l152 disco.
2014-08-21T10:15:10 < dongs> maybe they wanted to measure it really a ccuratelyt
2014-08-21T10:26:42 < dongs> http://i.imgur.com/pmBmxVT.jpg
2014-08-21T10:34:17 < Fleck> morning ppl! :)
2014-08-21T10:45:33 -!- phantoxe [~destroy@acarlosss.broker.freenet6.net] has joined ##stm32
2014-08-21T10:52:58 < scrts_w> hi
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2014-08-21T10:55:06 < ABLomas> dongs: cool screen! What's this? I already want to order this just to get such cool screen!
2014-08-21T11:03:30 < dongs> ABLomas: stm32l0-discovery
2014-08-21T11:10:00 < ABLomas> yy
2014-08-21T11:10:15 < ABLomas> already found ofc, i can read (sometimes), just pricey here, locally
2014-08-21T11:10:20 < ABLomas> would be better to read about screen
2014-08-21T11:10:45 < dongs> amazing kk2 replacement
2014-08-21T11:10:47 < dongs> amirite
2014-08-21T11:11:06 -!- timemob [~dongs@g1-27-253-251-7.bmobile.ne.jp] has joined ##stm32
2014-08-21T11:14:45 < ABLomas> sure
2014-08-21T11:14:47 < ABLomas> =)
2014-08-21T11:17:43 < scrts_w> ABLomas: moving away from PIC series?
2014-08-21T11:19:56 < ABLomas> no ofc, i'm lame copypaster ;-)
2014-08-21T11:20:13 < ABLomas> so use everything what i have around (and code for it)
2014-08-21T11:21:02 < dongs> http://www.springer.com/philosophy/history+of+science/book/978-94-007-3931-4
2014-08-21T11:21:21 < dongs> right
2014-08-21T11:22:01 < GargantuaSauce> "complementary science"
2014-08-21T11:22:42 < GargantuaSauce> is that like a complementary colour?
2014-08-21T11:34:51 < zyp> dongs, that l0disco looks nice
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2014-08-21T11:39:23 < baird> ffffffffffffuuuuuuuuuuuuu. The reason my MSP430 code wasn't working all afternoon? Used R3 as a general-purpose register. -_-
2014-08-21T11:41:32 < baird> (R3 being the 'constant generator' on the RISC instruction set..)
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2014-08-21T12:21:58 < dongs> zyp, did you pay for DHL
2014-08-21T12:22:07 < dongs> i toldyou like monday
2014-08-21T12:22:10 < zyp> no
2014-08-21T12:22:12 < dongs> she keeps beeing me, but I think shit was sent
2014-08-21T12:22:13 < dongs> you should then
2014-08-21T12:22:50 < zyp> right
2014-08-21T12:23:07 < zyp> same addr as previous invoice? how much?
2014-08-21T12:23:42 < dongs> y
2014-08-21T12:23:43 < dongs> 60bux
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2014-08-21T12:29:30 < zyp> done
2014-08-21T12:29:43 < dongs> cool
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2014-08-21T12:48:27 < dongs> i suppose i should try porting modplayer to L0
2014-08-21T12:48:36 < dongs> i wonder if they have stdperiphlib for it
2014-08-21T12:48:41 < dongs> or its all timecube shit now
2014-08-21T12:50:08 < dongs> ohy man
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2014-08-21T12:50:13 < dongs> its fucking timcube only
2014-08-21T12:50:36 < dongs> what the FUcK
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2014-08-21T12:53:16 < dongs> wow this sucks
2014-08-21T12:55:51 < GargantuaSauce> heheh
2014-08-21T12:55:57 < dongs> thats it, im switching to PIC32
2014-08-21T12:56:00 < dongs> this is fucking ridiculous
2014-08-21T12:56:06 < dongs> void HAL_NVIC_EnableIRQ(IRQn_Type IRQn)
2014-08-21T12:56:06 < dongs> { /* Enable interrupt */ NVIC_EnableIRQ(IRQn);
2014-08-21T12:56:06 < dongs> }
2014-08-21T12:56:08 < dongs> ^ from timecube
2014-08-21T12:56:23 < dongs> lets add another function call to do samea fucking thing
2014-08-21T12:56:24 < GargantuaSauce> time to start writing your own peripheral drivers
2014-08-21T12:56:38 < dongs> i dont wanna do it for shit like timers
2014-08-21T12:56:42 < dongs> where its more effort than its worth
2014-08-21T12:56:45 < dongs> fucking stdperiph worked
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2014-08-21T12:56:55 < dongs> if this shit wasn't timecube I bet all I'd need to do for L0 is recompile
2014-08-21T12:56:57 < dongs> and make sure it fits in ram
2014-08-21T12:57:05 < dongs> but now its all fucked
2014-08-21T12:57:07 < dongs> u g h
2014-08-21T12:59:20 < dongs>   TimHandle.Instance = TIM2;
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2014-08-21T12:59:24 < dongs>   if(HAL_TIM_PWM_Init(&TimHandle) != HAL_OK)
2014-08-21T12:59:25 < dongs> haha
2014-08-21T12:59:28 < dongs> all that fucking shit changed
2014-08-21T12:59:31 < dongs> aids
2014-08-21T12:59:48 < dongs> too bad libopencm3 sucks even more
2014-08-21T12:59:58 < dongs>   if(  HAL_TIM_PWM_Start_DMA(&TimHandle, TIM_CHANNEL_3, aCCValue_Buffer, 3) != HAL_OK)
2014-08-21T13:03:15 < dongs> ugh
2014-08-21T13:03:24 < dongs> just auto-closed "your feedback is important to us" on ST's site
2014-08-21T13:03:33 < dongs> shoulda used the chance teo tell them how much timecube sux
2014-08-21T13:06:16 < dongs> well fuck this
2014-08-21T13:06:20 < dongs> not gonna touch this shit today.
2014-08-21T13:06:22 < dongs> maybe when im less raged
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2014-08-21T13:21:08 < scrts_w> dongs: what about that eink display board?
2014-08-21T13:22:42 -!- jadew [~jadew@86.126.0.51] has quit [Ping timeout: 245 seconds]
2014-08-21T13:27:24 < dongs> i have it
2014-08-21T13:27:30 < dongs> thats the l0
2014-08-21T13:27:48 < zyp> mine apparently arrived yesterday
2014-08-21T13:27:57 < zyp> but I won't be home before the weekend
2014-08-21T13:33:42 < dongs> hah
2014-08-21T13:33:48 < dongs> that epaper module is 45bux on ebay
2014-08-21T13:35:12 < dongs> http://www.seeedstudio.com/document//pdf/2.7''%20e-Paper%20Panel%20Datasheet.pdf
2014-08-21T13:37:16 < dongs> http://www.seeedstudio.com/depot/27-ePaper-Panel-p-1596.html wow 25bux
2014-08-21T13:37:19 < dongs> not bad
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2014-08-21T13:46:21 < GargantuaSauce> i saw 27 and got excited
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2014-08-21T13:51:34 < Steffanx> fixed your timer thingy yet jadew?
2014-08-21T13:51:52 < Steffanx> or still mad at ST?
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2014-08-21T14:25:20 < dongs> I'm really mad at st.
2014-08-21T14:31:01 < Steffanx> What for mr dongs?
2014-08-21T14:31:39 < dongs> did you like totally miss all my ranting like 20 linesa bove?
2014-08-21T14:32:21 < Steffanx> No intentionally forgot about it.
2014-08-21T14:34:15 < Tectu> better ask jpa- how to drive eInk
2014-08-21T14:34:45 < dongs> no this is spi and all waveforms are in driver rom
2014-08-21T14:35:49 < Steffanx> dongs you can also blame yourself for trying to use timecube javacrap.
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2014-08-21T14:38:05 < dongs> Steffanx: wat, tehre's no stdperiph for l0
2014-08-21T14:38:08 < dongs> thats the fucking problem
2014-08-21T14:38:09 < dongs> only timecube
2014-08-21T14:38:27 < zyp> huh? really?
2014-08-21T14:38:34 < dongs> yep.
2014-08-21T14:38:37 < dongs> unless you manage to find it
2014-08-21T14:38:39 < dongs> i couldnt
2014-08-21T14:38:44 < dongs> all the trash links to http://www.st-japan.co.jp/web/en/catalog/tools/PF260508
2014-08-21T14:38:59 < zyp> I don't really care enough to look for it, but ok :p
2014-08-21T14:39:13 < dongs> why, cuz youre gonna hack l0 support into your c++ mess?
2014-08-21T14:39:22 < zyp> yeah
2014-08-21T14:39:25 < dongs> pfft
2014-08-21T14:40:11 < englishman> doesnt aadamson use l0
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2014-08-21T14:40:16 < dongs> l1
2014-08-21T14:40:19 < englishman> ah
2014-08-21T14:40:22 < dongs> which has stdperiph
2014-08-21T14:40:25 < englishman> ya
2014-08-21T14:40:26 < Tectu> dongs, make suff simpler
2014-08-21T14:40:55 < dongs> ?
2014-08-21T14:42:06 < Steffanx> oh, i thought that the timecube thing was the name of the java tool, but it's also the name of the new periperhal hal library. Now it's clear :D
2014-08-21T14:42:23 < dongs> they both equally suck
2014-08-21T14:42:54 < Steffanx> Tim-E-Cube.. must be best tool ever.
2014-08-21T14:45:49 < Fleck> dongs: https://www.youtube.com/watch?v=CJrVZCbKxsE
2014-08-21T14:50:36 < dongs> Fleck: thanx
2014-08-21T14:50:39 < Fleck> ;)
2014-08-21T14:50:56 < Fleck> I know you love such songs :pp
2014-08-21T14:52:19 < aadamson> gonna drive us all to libopencm3 which *sucks* even more... :(..  someone needs to tell ST that a GUI interface to code generation is less than ideal...
2014-08-21T14:53:40 < Steffanx> Not really aadamson, the name of the code-only lib is also called STMCubeXXXX
2014-08-21T14:54:39 < dongs> crap-only lib
2014-08-21T14:55:20 < aadamson> so there is both? can you get the code only lib still?  just not called stdperiph... ?
2014-08-21T14:55:35 < dongs> yes but its all doubly-abstracted shit
2014-08-21T14:55:46 < dongs> 18:56 < dongs> void HAL_NVIC_EnableIRQ(IRQn_Type IRQn)
2014-08-21T14:55:47 < dongs> 18:56 < dongs> { /* Enable interrupt */ NVIC_EnableIRQ(IRQn); }
2014-08-21T14:55:51 < dongs> shit like THIS
2014-08-21T14:55:58 < dongs> all crap got prefixed with HAL_
2014-08-21T14:56:03 < aadamson> oh, bloat-ware... sheesh
2014-08-21T14:56:07 < dongs> and structs from stdpereiph changed etc
2014-08-21T14:56:29 < _Sync_> yeah it is that huuur we are doing OOP in C shit
2014-08-21T14:56:56 < Steffanx> So no L0 for dongs in future projects.
2014-08-21T14:57:06 < dongs> nope, dealing with it
2014-08-21T14:57:10 < dongs> no choice
2014-08-21T14:57:58 < _Sync_> just make your own lib
2014-08-21T14:59:56 < GargantuaSauce> ^
2014-08-21T15:00:06 < dongs> requires work
2014-08-21T15:00:08 < dongs> and reinventing wheel
2014-08-21T15:00:18 < GargantuaSauce> to be round instead of a hexagon
2014-08-21T15:00:51 < GargantuaSauce> ....or if i were on the ball i would have said cube i GUESS
2014-08-21T15:01:41 < Laurenceb_> latest µGFX product spotted
2014-08-21T15:01:44 < Laurenceb_> http://ecx.images-amazon.com/images/I/81gzKDFSy2L._SL1500_.jpg
2014-08-21T15:02:04 < dongs> sraping
2014-08-21T15:02:32 < Tectu> lol
2014-08-21T15:02:54 < GargantuaSauce> looks shooped
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2014-08-21T15:24:01 < Tectu> when I have some crystal (32.xxkHz) that says "Load capacitance 12.5pf", do I put 12.5pF per pin or do I have to run some calculations?
2014-08-21T15:25:21 < dongs> no
2014-08-21T15:25:22 < englishman> hexagonal wheel still better than cube wheel
2014-08-21T15:25:26 < dongs> thats its internal capacitance
2014-08-21T15:26:55 < englishman> https://www.sparkfun.com/news/1575
2014-08-21T15:27:06 < englishman> $45 for that
2014-08-21T15:28:48 < Steffanx> shit happens.
2014-08-21T15:28:53 < englishman> they say per unit cost is $30?
2014-08-21T15:30:22 < Tectu> dongs, is capacitor crap usually listed in the datasheet?
2014-08-21T15:32:13 < Steffanx> afaik its not the internal capicitance at least normally it's not. You have to calculate the right capacitors.. to get the right freq.
2014-08-21T15:32:58 < paulf_> Tectu: any luck debugging s3c?
2014-08-21T15:33:18 < Tectu> paulf_, didn't try yet. Something more important flew in. Sorry
2014-08-21T15:33:26 < Tectu> paulf_, will hopefully have time tonight
2014-08-21T15:33:41 < Steffanx> Using the trace capacity, oscillator circuit capacity and extra capacitors to get the right load.
2014-08-21T15:33:55 < paulf_> Tectu: no problem. Feel free to ping me whenever you get to it.
2014-08-21T15:34:01 < Tectu> paulf_, thank you very much
2014-08-21T15:34:02 < Steffanx> capacitance whats the right word?
2014-08-21T15:34:20 < Tectu> capacity
2014-08-21T15:34:57 < Tectu> I have some .txt where I store useful information about electronics...
2014-08-21T15:34:58 < Tectu> <zyp> anyway, the formula for calculating crystal caps is C1 * C2 / (C1 + C2) = C_L, with C_L being a property of the crystal
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2014-08-21T15:38:11 < Steffanx> yes, but dont forget the traces and osc. circuit.
2014-08-21T15:38:27 < dongs> pfft
2014-08-21T15:39:25 < dongs> Over the past few months we have been building approximately 8,000 units??????????
2014-08-21T15:39:28 < dongs> few months???
2014-08-21T15:39:39 < dongs> holy shit, my equipment sucks and I can easily make 8k in a week
2014-08-21T15:39:52 < dongs> of those useless shitsr
2014-08-21T15:41:36 < Tectu> because you're asian
2014-08-21T15:41:38 < Tectu> don't forget that
2014-08-21T15:41:44 < dongs> no, i'm black
2014-08-21T15:41:48 < Tectu> link?
2014-08-21T15:42:03 < Tectu> btw, where is talsit? Haven't heart of him for ages
2014-08-21T15:42:15 < dongs> http://il.linkedin.com/pub/gary-niger/52/862/775
2014-08-21T15:42:20 < dongs> hes in another channel
2014-08-21T15:42:24 < dongs> i think he had some personal issues wiht me
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2014-08-21T15:42:59 < Steffanx> he busy working on moving stuff using some piezo thing
2014-08-21T15:43:30 < Tectu> "Gary Niger's Experience:  Blogging Systems"
2014-08-21T15:44:01 < Steffanx> is Tim E Cop... your other alter ego ?
2014-08-21T15:44:21 < dongs> Next, six connections are required for in-circuit serial programming (ISP). Three of the connections are located on external pins (easy to connect), and three of the connections are small vias on the internal PCB. This means the end user has to open the Microview unit and attach (by soldering or holding) three wires to vias on the board, as well as attaching three wires to the exposed pins.
2014-08-21T15:44:29 < dongs> i dont fucking understand
2014-08-21T15:44:43 < dongs> they made production unit, and didnt provide for flying probes / programming jig type flashing?
2014-08-21T15:44:57 < dongs> how the fuck were they programming hte other 8k units?
2014-08-21T15:45:01 < dongs> maybe thats why it took them "several months"
2014-08-21T15:45:24 < Tectu> they solder chip on programmer board, then unsolder and solder on final board
2014-08-21T15:45:24 < Steffanx> probe touching pins on of chip?
2014-08-21T15:45:36 < Tectu> or those TQFP clamps
2014-08-21T15:45:38 < dongs> Tectu: thats waht tarduino fgts would probably do
2014-08-21T15:45:39 < Steffanx> -on
2014-08-21T15:47:19 < Tectu> dongs, teach'em
2014-08-21T15:47:24 < dongs> no
2014-08-21T15:48:08 < Tectu> yes
2014-08-21T15:48:36 < Steffanx> Go get a room you tw
2014-08-21T15:48:37 < Steffanx> o
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2014-08-21T15:55:30 < englishman> maybe they buy preprogrammed chips
2014-08-21T15:55:52 < dongs> heh they're using SPX3819
2014-08-21T15:55:55 < dongs> for 5V
2014-08-21T15:56:57 < dongs> so teh board has tarduino328p, 10 caps, 4 resistors, and a resonator.
2014-08-21T15:57:03 < dongs> it takes them "several months" to make 8k
2014-08-21T15:57:15 < dongs> someone is lying
2014-08-21T15:57:26 < dongs> or extremely incompetent
2014-08-21T15:57:57 < Tectu> englishman, when you do a tarduino board you do ALWAYS have some ISP available
2014-08-21T15:58:06 < Tectu> otherwise you suck quite hard
2014-08-21T15:58:24 < englishman> yes well
2014-08-21T16:02:06 < Laurenceb_> wtf are you talking about?
2014-08-21T16:02:51 < GargantuaSauce> some kickstarter shipped a few hundred arduinos with no bootloader
2014-08-21T16:03:12 < GargantuaSauce> and of course the people who back such a thing can't flash it
2014-08-21T16:03:54 < Laurenceb_> the horror
2014-08-21T16:04:13 < zyp> last year I shipped ~40 boards with a broken bootloader
2014-08-21T16:04:34 < Tectu> zyp, the HID thing?
2014-08-21T16:05:00 < zyp> yep, Windows HID driver didn't like the descriptor and refused to enumerate it
2014-08-21T16:05:03 < Tectu> when something like that happens, do you refund their part of the shipping costs or how does that work?
2014-08-21T16:05:39 < Tectu> I mean when I have to ship something like that back to you from .ch to .no it can cost 15 to 20 bucks easily
2014-08-21T16:06:02 < GargantuaSauce> would make the most sense to just buy a few hundred avrisps and ship them out lol
2014-08-21T16:06:14 < Tectu> LOL
2014-08-21T16:06:15 < zyp> neither, I made a tool that bound it to WinUSB instead to access the bootloader directly, then I wrote a firmware that would overwrite the bootloader after being flashed through the old bootloader
2014-08-21T16:06:27 < Tectu> nice
2014-08-21T16:07:32 < zyp> Tectu, 15-20 bucks is more than a board costs me to have made
2014-08-21T16:08:20 < englishman> Tectu: you in .ch?
2014-08-21T16:08:35 < zyp> so I'd rather just send out a new board rather than pay more in return shipping
2014-08-21T16:08:37 < Tectu> englishman, yes
2014-08-21T16:08:55 < englishman> cool, i was there last month, nice place.
2014-08-21T16:09:00 < Tectu> where have you been?
2014-08-21T16:09:08 < Tectu> zyp, probably sane
2014-08-21T16:09:10 < dongs> shit
2014-08-21T16:09:10 < dongs> i know
2014-08-21T16:09:14 < englishman> zurich
2014-08-21T16:09:17 < dongs> my next dickstarter project, i'll be like
2014-08-21T16:09:24 < Tectu> englishman, worst part of the country :P
2014-08-21T16:09:26 < dongs> bla bla bla, Arduino-compatible* bla bla bla
2014-08-21T16:09:28 < englishman> hehe
2014-08-21T16:09:31 < dongs> and in fine print
2014-08-21T16:09:41 < dongs> * you can run arduino ide and type some shit in it, then click file-.exit
2014-08-21T16:10:00 < Tectu> englishman, should have visited my part of .ch instead:   https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Aletschgletscher_mit_Pinus_cembra2.jpg/1280px-Aletschgletscher_mit_Pinus_cembra2.jpg
2014-08-21T16:10:14 < englishman> yeah im already planning my next trip
2014-08-21T16:10:17 < BrainDamage> aka "cold as balls"
2014-08-21T16:10:35 < Tectu> BrainDamage, nah
2014-08-21T16:10:49 < Tectu> we have around 30 to 35°C in an average summer
2014-08-21T16:10:50 < englishman> warmer than canada
2014-08-21T16:10:55 < Tectu> but this summer was cold as fuck... 10°C tops
2014-08-21T16:10:55 < BrainDamage> I guess rain shadow saved you then
2014-08-21T16:11:02 < BrainDamage> because this summer it was fucking cold
2014-08-21T16:11:07 < zyp> I visited north sweden last week, I didn't really enjoy the 3°C there
2014-08-21T16:11:08 < Tectu> englishman, lemme know when you're here
2014-08-21T16:11:18 < Tectu> zyp, I thought .no is cold as well?
2014-08-21T16:11:31 < zyp> depends
2014-08-21T16:11:43 < BrainDamage> countries spanning ~Mm can have varying climates :p
2014-08-21T16:11:50 < zyp> 17°C where I'm now
2014-08-21T16:11:53 < Tectu> impossible for .ch :P
2014-08-21T16:11:59 < zyp> apparently even warmer at home
2014-08-21T16:12:04 < Tectu> went to italy a few weeks ago, BrainDamage
2014-08-21T16:12:09 < Tectu> BrainDamage, 40°C wasn't really nice either
2014-08-21T16:12:27 < BrainDamage> where I am it barely reached 25
2014-08-21T16:12:41 < BrainDamage> normally it's around 35
2014-08-21T16:13:10 < Tectu> "global warming" you know
2014-08-21T16:14:12 < BrainDamage> I am a bit tired of everytime the weather is unnormal people blame / contradict global warming
2014-08-21T16:14:18 < BrainDamage> global average != local peak
2014-08-21T16:14:28 < Tectu> it was a joke...
2014-08-21T16:15:16 < Steffanx> no things to joke about sir.
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2014-08-21T16:41:04 < Tectu> any zsh users here?
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2014-08-21T17:01:05 < dongs> well thats interesting
2014-08-21T17:01:15 < dongs> LIS3DH has two ADCs for some reason
2014-08-21T17:01:27 < dongs> and the 2nd one just has 3 extrenal analog inputs
2014-08-21T17:03:36 < _Sync_> meh, wtf my stm32f103 won't talk to the debugger
2014-08-21T17:06:41 < PaulFertser> Pull reset low, it'll make it behave!
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2014-08-21T17:16:09 < edmont> hi
2014-08-21T17:16:12 < dongs> sup
2014-08-21T17:16:25 < edmont> how do you access internal EEPROM in STM32L
2014-08-21T17:16:27 < edmont> ?
2014-08-21T17:16:48 < _Sync_> hmm wtf
2014-08-21T17:17:56 < edmont> any library?
2014-08-21T17:18:08 < edmont> read/write functions
2014-08-21T17:18:15 < edmont> something
2014-08-21T17:18:42 < dongs> uhh
2014-08-21T17:18:45 < dongs> edmont: ... its like 2 lines
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2014-08-21T17:20:05 < jpa-> edmont: https://svn.kapsi.fi/jpa/led-controller/sw/src/stm32l_eeprom.c
2014-08-21T17:20:42 < edmont> jpa-: thx
2014-08-21T17:20:43 < dongs> ya. those 2 lines
2014-08-21T17:20:54 < edmont> so it can be accessed directly
2014-08-21T17:21:03 < dongs> reference manual says so
2014-08-21T17:21:03 < jpa-> yes, mostly
2014-08-21T17:21:07 < dongs> did you try reading it? :)
2014-08-21T17:21:17 < edmont> i did :)
2014-08-21T17:21:17 < jpa-> note that writing will block the cpu for a few ms
2014-08-21T17:21:30 < dongs> really?
2014-08-21T17:21:36 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Ping timeout: 260 seconds]
2014-08-21T17:21:42 < jpa-> yes, if you are executing from flash
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2014-08-21T17:33:47 < _Sync_> hm
2014-08-21T17:33:55 < _Sync_> what the actual fuck.
2014-08-21T17:34:12 < dongs> heh h eh.
2014-08-21T17:34:14 < zyp> no, it's just a theoretical fuck
2014-08-21T17:34:20 < dongs> ST posted "gerber files" for LIS3DH breakout
2014-08-21T17:34:29 < dongs> and included all the altium sores f iles too
2014-08-21T17:34:33 < dongs> sch and pcb
2014-08-21T17:34:42 < zyp> does it looks like shit?
2014-08-21T17:34:42 < dongs> i was gonna steal footprint from gerbers, but they made it even easier
2014-08-21T17:34:58 < dongs> i think its same LGA as LSM303D
2014-08-21T17:35:40 < _Sync_> do I have to have Vbat connected?
2014-08-21T17:35:44 < dongs> no
2014-08-21T17:35:45 < zyp> no
2014-08-21T17:35:50 < jpa-> yes
2014-08-21T17:35:55 < dongs> no U
2014-08-21T17:36:01 < zyp> jpa-, is that a stm32l specific thing?
2014-08-21T17:36:03 < jpa-> on which chip?
2014-08-21T17:36:28 < jpa-> l1 does not have vbat
2014-08-21T17:36:47  * Tectu slaps jpa- 
2014-08-21T17:36:49 < zyp> heh
2014-08-21T17:36:53 < dongs>  C:\User\Maurizio\pcb\Template by MAU\STM_logo.bmp
2014-08-21T17:36:55 < zyp> so no then
2014-08-21T17:37:01 < dongs> ^ ST's altium guy
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2014-08-21T17:37:29 < dongs> Maurizio Minotti
2014-08-21T17:37:56 < dongs> it.linkedin.com/pub/maurizio-minotti/a/551/4b7
2014-08-21T17:38:15 < dongs> pretty trashy dicked-in
2014-08-21T17:38:19 < dongs> no blogging experience
2014-08-21T17:38:50 < _Sync_> f103
2014-08-21T17:39:03 < dongs> sync, shoiulda bought matchboxarm
2014-08-21T17:39:10 < jpa-> hmm maybe vbat is indeed not needed, i was thinking about vdda which is needed
2014-08-21T17:39:35 < dongs> vbat is definitely not needed, on f103
2014-08-21T17:39:41 < jpa-> ok
2014-08-21T17:39:50 < dongs> the datasheet mentions it
2014-08-21T17:40:42 < Tectu> jpa-, ignoring tectu's needs?
2014-08-21T17:42:42 < _Sync_> yeah that was what I was thinking
2014-08-21T17:42:52 < _Sync_> then I'm wondering why it does not talk to the debugger
2014-08-21T17:43:19 < jpa-> measure nrst, the processor pulls it down if voltages are not ok
2014-08-21T17:43:21 < dongs> how did you fuck it up
2014-08-21T17:45:56 < _Sync_> nrst is high
2014-08-21T17:47:45 < jpa-> try pulling it down and then connecting with debugger - in case the processor goes into lockup or something on boot
2014-08-21T17:52:19 < _Sync_> nope
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2014-08-21T17:53:59 < Laurenceb_> https://www.youtube.com/watch?v=LrxZblVUkMU
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2014-08-21T18:02:16 < dongs> looks like L0 has same sane GPIO
2014-08-21T18:02:19 < dongs> as F3/F4
2014-08-21T18:04:16 < zyp> yeah
2014-08-21T18:04:21 < zyp> everything newer than F1 has
2014-08-21T18:07:10 < _Sync_> AAAH
2014-08-21T18:07:13 < _Sync_> the pain
2014-08-21T18:07:17 < _Sync_> gaycad trolled me
2014-08-21T18:07:20 < dongs> LOL
2014-08-21T18:07:29 < dongs> kikecad?
2014-08-21T18:07:37 < dongs> do share
2014-08-21T18:07:54 < _Sync_> the netlist got fucked up and I have two unconnected grounds
2014-08-21T18:07:55 < _Sync_> GAAAAY
2014-08-21T18:08:15 < dongs> netlist what
2014-08-21T18:08:18 < dongs> are you using; GEDA
2014-08-21T18:08:26 < dongs> (or some other horrible opensauce abortion
2014-08-21T18:09:00 < dongs> interesting, DMA controller has same peripheral function repeated in diferent channels
2014-08-21T18:09:13 < dongs> ch2/ch4 do usart1_tx
2014-08-21T18:09:26 < dongs> same for other stuff
2014-08-21T18:09:41 < _Sync_> yeah I'm using kicad, could be worse
2014-08-21T18:09:41 < dongs> usart, spi, i2c are all repeated twice across different channels
2014-08-21T18:09:43 < _Sync_> my fault really
2014-08-21T18:09:52 < zyp> so you can make out a combination that fits your application if you need multiple channels
2014-08-21T18:09:57 < dongs> zyp: right
2014-08-21T18:10:24 < zyp> if each function were only available once, you could only use one of the functions on that channel
2014-08-21T18:10:49 < dongs> well, its neat that its allowed like that.
2014-08-21T18:10:56 < dongs> its still F1-shitty DMA controller tho :)
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2014-08-21T18:33:21 < _Sync_> hmm
2014-08-21T18:33:36 < _Sync_> just connected the missing grounds but NRST is still staying low
2014-08-21T18:39:48 < trepidaciousMBR> So it turns out you can connect an stlink v2 to a running (or halted) STM32F4 without resetting it, although gdb complains slightly :)
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2014-08-21T18:42:01 < dongs> trepidaciousMBR: isnt that by design?
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2014-08-21T18:42:37 < trepidaciousMBR> dongs: Yup I imagine so, I've just not done it before, I couldn't find anything specifically about it, so I wasn't sure it would work ;)
2014-08-21T18:44:44 < edmont> jpa-: i'm trying to read from eeprom like in the link you posted, but after something between 50-100 consecutive reads the MCU goes to a hard fault
2014-08-21T18:45:59 < dongs> bullshit
2014-08-21T18:46:08 < dongs> then youre doing somethin else wrong
2014-08-21T18:47:37 < edmont> i narrowed the margin, it't 90-100 reads
2014-08-21T18:47:52 < edmont> it's
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2014-08-21T18:48:42 < zyp> I'm with dongs, you're doing something wrong
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2014-08-21T18:57:01 < Laurenceb_> http://habitat.habhub.org/mobile-tracker/
2014-08-21T18:57:04 < Laurenceb_> dat map
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2014-08-21T19:00:32 < edmont> found the problem. I was increasing the pointer with the counter instead of with 1 (facepalm)
2014-08-21T19:00:44 < dongs> good job
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2014-08-21T19:01:15 < dongs> hm
2014-08-21T19:01:23 < dongs> L0 datasheet claims it should have 3 Wakeup pins
2014-08-21T19:01:34 < dongs> but pin listing doesnt evne have them
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2014-08-21T19:02:50 < dongs> so i was making this SMPS with L0
2014-08-21T19:03:13 < dongs> and then I thought i better make a mod player instead
2014-08-21T19:03:25 < _Sync_> fucking shit
2014-08-21T19:03:29 < _Sync_> why is it not resetting
2014-08-21T19:03:33 < dongs> sync, more fail?
2014-08-21T19:03:39 < _Sync_> not that I can see
2014-08-21T19:03:42 < dongs> sync, download free diptrace.
2014-08-21T19:03:47 < _Sync_> pfft
2014-08-21T19:03:48 < dongs> redo your schematic in a tool that doesn't fuck you over.
2014-08-21T19:04:15 < _Sync_> the rest is looking good
2014-08-21T19:06:24 < dongs> bedtime
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2014-08-21T19:16:18 < jpa-> edmont: hardfaults are pretty easy to debug, often you get the PC of the failing instruction and can see what it tries to do
2014-08-21T19:16:52 < edmont> i see, thanks
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2014-08-21T19:21:38 < edmont> i couldn't find how to access the memory before because my RM0038 was from april '13 and the current one is from may '14...
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2014-08-21T19:24:41 < karlp> heh, used stlink 6 pin header on design.  manufacturing partner tweaking it for em certs went, "oh it's just a programming header, we'll just rearrange those pins as we see fit"
2014-08-21T19:24:46 < karlp> thanks guys.
2014-08-21T19:27:38 < zyp> nice
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2014-08-21T19:31:34 < _Sync_> kek
2014-08-21T19:32:14 < qyx_> kek?
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2014-08-21T19:41:09 < qyx_> reminds me
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2014-08-21T19:41:45 < qyx_> i should find some nice hardfault handler
2014-08-21T19:42:15 < _Sync_> toggle a pin that lets the C4 detonate
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2014-08-21T20:04:23 < jpa-> qyx_: i have some here that print necessary info and also save dump of whole ram for gdb.. maybe useful as a base   https://github.com/PetteriAimonen/QuadPawn/blob/master/Runtime/debug.c
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2014-08-21T20:25:26 < qyx_> jpa-: thx, i will steal few lines
2014-08-21T20:25:30 < qyx_> er, i will inspire myself
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2014-08-21T21:30:10 < Tectu> at which resistance is a weak pullup considered as weak? Is there a common rule for that?
2014-08-21T21:32:51 < MrM0bius> what are you trying to do?
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2014-08-21T21:34:36 < Tectu> nothing, just curious while reading datasheet
2014-08-21T21:34:43 < zyp> dunno if there's a rule, but I'd expect a weak pullup to be 20k or more
2014-08-21T21:36:45 < Tectu> ah, I'd have guessed >= 100k
2014-08-21T21:36:59 < zyp> yeah, 100k is over 20k
2014-08-21T21:37:05 < Tectu> :D
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2014-08-21T22:13:31 < _Sync_> k, reset now goes high
2014-08-21T22:13:39 < _Sync_> but I still can't talk with it
2014-08-21T22:13:39 < jadew> Steffanx, yeah, I fixed it, but gave up on it because something else wasn't working as I was expecting
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2014-08-21T22:22:42 < gxti> __attribute__((naked, externally_visible)) -- sounds like a good time
2014-08-21T22:22:54 < jadew> heh
2014-08-21T22:24:18 < madist> what is naked ?
2014-08-21T22:25:18 < Tectu> jpa-
2014-08-21T22:25:35 < gxti> skips the preamble that normal functions have (push stuff on stack, etc)
2014-08-21T22:26:05 < gxti> in this case, so it can save values of registers without messing them up
2014-08-21T22:29:16 < jadew> and it's usually not a good idea, unless you're doing very basic things and you know what status registers are being changed by them
2014-08-21T22:30:07 < jadew> well, you can push them manually, but then there's little use for the attribute
2014-08-21T22:31:11 < jadew> it's useless for ISRs
2014-08-21T22:31:29 < gxti> on cortex anyway
2014-08-21T22:31:36 < jadew> because there you really have to push everything, so you end up doing the same thing the compiler would have done
2014-08-21T22:31:54 < jadew> oh, right
2014-08-21T22:31:58 < jadew> cortex switches registers
2014-08-21T22:32:06 < jadew> but not all of them IIRC
2014-08-21T22:32:15 < gxti> 8/16-bit usually makes software do something special on interrupt
2014-08-21T22:32:24 < gxti> but the compiler will have some magic keyword to generate the code for you
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2014-08-21T23:02:27 < _Sync_> hm.
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2014-08-21T23:15:15 < Tectu> what the hell is an "LED printer"
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2014-08-21T23:40:32 < PaulFertser> Take a look at the table of contents to get a brief overview of what modern C++ is about: http://scottmeyers.blogspot.ru/2014/08/near-final-draft-of-effective-modern-c.html
2014-08-21T23:40:47 < Tectu> PaulFertser, still had no time for the s3c...
2014-08-21T23:41:24 < PaulFertser> Tectu: I'm in UTC+4, will probably be available tomorrow during the dayjob and later in the evening.
2014-08-21T23:42:13 < Tectu> PaulFertser, not sure if I make it tomrrow either. Morning is sleeping, afternoon is helping some friends with computer issues, evening is girlfriend time
2014-08-21T23:42:20 < Tectu> PaulFertser, I'm at GMT+1, btw
2014-08-21T23:42:25 < Tectu> or GMT+2, depends...
2014-08-21T23:43:15 < PaulFertser> Tectu: GMT is an ill-defined word ;) You might be interested in learning about UTC, UT1 and TAI instead ;)
2014-08-21T23:43:27 < PaulFertser> Yay, girlfriends!
2014-08-21T23:45:00 < Tectu> PaulFertser, to be honest I don't know the difference. I thought it was just a different longitude zero-line?
2014-08-21T23:46:29 < Tectu> PaulFertser, issue here is daylight saving time... always switching between time zones
2014-08-21T23:46:29 < PaulFertser> Tectu: UTC is the current way to measure universal time, it differs from atomic clock (TAI) by an integer number of seconds (leap seconds).
2014-08-21T23:46:38 < PaulFertser> Yep, no DST here in Russia anymore, unfortunately.
2014-08-21T23:46:51 < PaulFertser> UT1 is universal time precisely in sync with Earth rotation.
2014-08-21T23:47:02 < Tectu> I'm not really interested in leap seconds anyway when I tell someone on the internet what timezone I am in in order to communicate
2014-08-21T23:47:25 < Tectu> wait... DST is something you get rid of? I thought it's something you would start and never get rid of again
2014-08-21T23:47:28 < Tectu> also, why "unfortunately"?
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2014-08-21T23:50:55 < PaulFertser> I do not like walking in the dark on winter mornings.
2014-08-21T23:51:16 < Tectu> I love the dark
2014-08-21T23:51:22 < Tectu> I know, taht sounds a bit kiddy like
2014-08-21T23:51:35 < Tectu> but seriously, I prefer to get out doing someting at 3am instead of 3pm
2014-08-21T23:58:48 < Steffanx> nerd.
--- Day changed Fri Aug 22 2014
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2014-08-22T00:02:14 < kakeman> I know what you are trying to say
2014-08-22T00:03:13 < kakeman> move to finland. at middle winter sun doesn't rise
2014-08-22T00:04:15 < Steffanx> the country where the kakeman live?
2014-08-22T00:06:04 < kakeman> ye
2014-08-22T00:08:21 < Tectu> kakeman, I'm not allowed to move to .fi
2014-08-22T00:08:29 < Tectu> although I planned to do that already when I was a young boy
2014-08-22T00:08:33 < Tectu> either .no or .fi
2014-08-22T00:08:49 < Tectu> but I am sure that neither zyp or jpa- would want to share their country with me after I've been a dick sometimes
2014-08-22T00:09:50 < Steffanx> just go .no .. not .fi
2014-08-22T00:09:54 < kakeman> what have you done?
2014-08-22T00:09:55 < Steffanx> too close to russian border
2014-08-22T00:10:26 < Tectu> kakeman, nothing really. I'm just sometimes a bit special when I am either bored or I have too many things to do
2014-08-22T00:10:30 < Tectu> Steffanx, can tell
2014-08-22T00:10:50 < Steffanx> i can, but wont
2014-08-22T00:10:52 < kakeman> Tectu: I think I have no going to states anymore
2014-08-22T00:11:03 < Tectu> not sure what you mean, kakeman
2014-08-22T00:11:23 < kakeman> not going to tell you
2014-08-22T00:11:42 < Tectu> just tell me
2014-08-22T00:11:54 < Tectu> we can to go the sauna so nobody else hears us
2014-08-22T00:17:41 < kakeman> dreaming of own sauna cabin on top of hill
2014-08-22T00:22:41 < zyp> Tectu, you dick
2014-08-22T00:23:12 < Tectu> .__.
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2014-08-22T01:01:18 < baird> Ended up having to software bitbang the SPI for this asshole: http://i.imgur.com/SbSmdrw.jpg
2014-08-22T01:03:33 < Steffanx> please mind you words baird
2014-08-22T01:04:45 < Tectu> baird, please watch your language
2014-08-22T01:05:40 < Laurenceb> http://www.youtube.com/watch?v=75N6DeoNuuo
2014-08-22T01:06:13 < baird> A pox on both you mongrels
2014-08-22T01:06:23 < Steffanx> oh nice movie Laurenceb :)
2014-08-22T01:06:31 < Tectu> Laurenceb, nice movie
2014-08-22T01:06:38 < GargantuaSauce> dat compression
2014-08-22T01:07:30 < Fleck> camrip
2014-08-22T01:08:32 < Tectu> MS Pain
2014-08-22T01:08:35 < Tectu> Paint*
2014-08-22T01:09:33 < baird> I should be congratulated on switching to profanity that doesn't reference the genitals, anyway.
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2014-08-22T01:10:39 < Tectu> someone like you should not be allowed to reference to anything but bicycle parts when it comes to that
2014-08-22T01:10:51 < Fleck> :D
2014-08-22T01:11:25 < kakeman> you guys bicycle lot?
2014-08-22T01:11:30 < kakeman> much?
2014-08-22T01:11:41 < Steffanx> often?
2014-08-22T01:11:51 < Tectu> nah, only about 450 days NON STOP per trip...
2014-08-22T01:12:00 < Steffanx> i do.. but not lot or much or often
2014-08-22T01:12:10 < Tectu> baird, is our bicycle guy
2014-08-22T01:12:25 < Tectu> he bicycles in a year more than all other people here combined in a decade.
2014-08-22T01:12:34 < Tectu> afaik jpa- is a bicycle person too
2014-08-22T01:13:03 < Tectu> I would love to do too but here everything is mountains and shit, sucks to cycle up a 35° slope just to reach the next toiled
2014-08-22T01:13:05 < Tectu> toilet*
2014-08-22T01:13:25 < kakeman> remember his nick from somewhere. let's hope he doesn't remember mine
2014-08-22T01:13:34 < baird> Tectu: that was a Motorbike...
2014-08-22T01:13:39 < Tectu> baird, oh
2014-08-22T01:13:43 < Tectu> baird, now that makes a lot more sense
2014-08-22T01:13:49 < baird> The Bicycle is nedxt year
2014-08-22T01:13:52 < Tectu> kakeman, I just read your nick the first time... german?
2014-08-22T01:14:06 < Steffanx> What's next baird.. tour de france?
2014-08-22T01:14:51 < kakeman> around the world would be nice
2014-08-22T01:16:02 < baird> I know two people who've done that.. pacelachance.com .. www.thepostman.org.uk
2014-08-22T01:16:18 < baird> (well, doing)
2014-08-22T01:16:39 < Tectu> I still don't see the reason to do such a thing
2014-08-22T01:16:45 < kakeman> www.thepostman.org.uk
2014-08-22T01:16:53 < kakeman> putty...
2014-08-22T01:17:00 < Tectu> it's like wasting your life/time on something that givey ou nothing in my opinion. I hope nobody takes any offense
2014-08-22T01:17:43 < kakeman> maybe
2014-08-22T01:18:00 < baird> The 'gives you nothing' is the part that's wrong... It isn't even a lonely trip.
2014-08-22T01:19:34 < Steffanx> little mr Tectu has much too learn.
2014-08-22T01:20:48 < kakeman> it's how you see a thing
2014-08-22T01:21:41 < kakeman> and what your life situation is
2014-08-22T01:21:44 < kakeman> and what you want
2014-08-22T01:22:38 < kakeman> it's huge amount of money, time and energy
2014-08-22T01:24:09 < Tectu> agreed
2014-08-22T01:25:15 < Laurenceb> around the world balloon is more fun
2014-08-22T01:25:31 < Steffanx> lol but that is all fake
2014-08-22T01:25:43 < Laurenceb> http://www.leobodnar.com/balloons/B-64/index.html
2014-08-22T01:25:46 < fbs> lies
2014-08-22T01:26:06 < kakeman> I would prefer around the world velomobile
2014-08-22T01:26:38 < BrainDamage> I want to see a pic of laurenced strapped to a balloon in mid stratosphere cringing by lack of oxygen and awful temps
2014-08-22T01:27:54 < Laurenceb> rofl
2014-08-22T01:28:27 < Tectu> I think that he would not survive
2014-08-22T01:29:10 < Tectu> which would be bad for his health
2014-08-22T01:30:19 < fbs> better for ours
2014-08-22T01:32:31 < kakeman> http://en.wikipedia.org/wiki/Around_the_world_cycling_record
2014-08-22T01:36:28 < kakeman> 23years old
2014-08-22T01:37:05 < kakeman> too old for ridin around globe
2014-08-22T01:38:48 < kakeman> time to work and then die
2014-08-22T01:39:56 < baird> The record for cycling around Australia by bicycle was 49.5 days, set by a 50 year-old..
2014-08-22T01:40:21 < baird> It wasn't a Charity/Commercial thing, either.
2014-08-22T01:43:20 < kakeman> age crisis certainly
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2014-08-22T01:44:49 < baird> Those happen at my age >_>
2014-08-22T01:45:41 < kakeman> ?
2014-08-22T01:50:28 < kakeman> I have had age crisis since I learned to write and read
2014-08-22T01:53:14 < kakeman> should try sleeping 3hours early now>
2014-08-22T01:53:20 < kakeman> 2am
2014-08-22T01:55:07 < Steffanx> 1am
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2014-08-22T02:20:37 < upgrdman> when doing embedded stuff, how common is it to need non-trivial data structures? like the stuff they teach at uni's ... avl trees, graphs, etc.
2014-08-22T02:28:18 < qyx_> depends, most of them need dynamic allocations which are not recommended
2014-08-22T02:28:55 < qyx_> in most cases you can just use statically allocated linear lists
2014-08-22T02:30:24 < qyx_> there are some obscure cases when you need to optimize data accesses for speed, then you need to save your data in more suitable way for search algo to work
2014-08-22T02:38:03 < upgrdman> k thx
2014-08-22T02:43:13 < Laurenceb> http://olimex.wordpress.com/2014/08/19/our-first-a31-som-quad-core-arm-cortex-a7-system-on-module-prototypes-work-fine/
2014-08-22T02:43:18 < Laurenceb> such allwin
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2014-08-22T03:20:30 < dongs> sup pros
2014-08-22T03:32:52 < upgrdman> re: that olimex stuff. wtf is it with people who silk "RoHS compliant" and other trash so large that you can see it from across the room.
2014-08-22T03:33:26 < upgrdman> it's bigger than the fucking olidong logo
2014-08-22T03:37:17 < upgrdman> lol. fail.  http://i.imgur.com/UORxXo0.jpg
2014-08-22T03:38:43 < gnomad> It is amazing the number of people who don't know how drywall anchors work.
2014-08-22T03:39:05 < upgrdman> ya no shit
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2014-08-22T03:50:13 < gnomad> heh, this must be making the rounds.... I just saw it agan...
2014-08-22T03:50:14 < gnomad> http://www.reddit.com/r/photoshopbattles/comments/2e8bd2/psbattle_this_cracked_screen/
2014-08-22T03:54:43 < upgrdman> i found it on the front page :) #1 too.
2014-08-22T03:56:14 < gnomad> heh.  I unsub to every reddit that makes it to the front page.
2014-08-22T03:56:47 < gnomad> pretty much all of reddit has gone to shit these days, but the front page subs are the worst.
2014-08-22T03:57:11 < MrM0bius> hipster much bro?
2014-08-22T03:57:22 < gnomad> Shit is shit.
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2014-08-22T04:03:22 < dongs> http://www.crossroadsfencing.com/speaker_driver_revised.jpg will this work?
2014-08-22T04:04:36 < dongs> i mean without all the other crap there
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2014-08-22T04:06:23 < dongs> oh, emeb_mac should be expert at arduino audio
2014-08-22T04:06:31 < emeb_mac> lol
2014-08-22T04:06:41 < emeb_mac> never messed with arduino audio
2014-08-22T04:06:42 < dongs> < dongs> http://www.crossroadsfencing.com/speaker_driver_revised.jpg will this work?
2014-08-22T04:07:13 < emeb_mac> probably
2014-08-22T04:07:31 < emeb_mac> might be a bit of inductive kickback on the FET - a diode might help
2014-08-22T04:07:47 < dongs> ya there's this: https://sites.google.com/site/vanyambauseslinux/arduino/arduino-generator-signalov/fast-pwm-sound2.png that has a diode
2014-08-22T04:08:32 < dongs> is that wehre it goes?
2014-08-22T04:09:36 < emeb_mac> yes
2014-08-22T04:10:18 < dongs> is this gonna draw any current when fet is off?
2014-08-22T04:10:23 < dongs> like at all
2014-08-22T04:10:32 < emeb_mac> nope
2014-08-22T04:10:33 < dongs> cuz,, this shit is battery pwoered and i cant have it just leaking crap everywehre
2014-08-22T04:11:20 < emeb_mac> you might put a pulldown on the FET gate to be sure just in case the GPIO pin floats
2014-08-22T04:11:52 < dongs> good idea, i duno if GPIO keeps its configuration when its in sleep mode
2014-08-22T04:11:58 < dongs> (it probly does but whos knows0
2014-08-22T04:12:10 < emeb_mac> 10k resistor is cheap
2014-08-22T04:13:23 < emeb_mac> that 2nd schematic (the one in eagle) is not a good one
2014-08-22T04:13:32 < dongs> im not keeping any of the Rs
2014-08-22T04:14:07 < emeb_mac> that pot from +5V to Gnd will draw power - 5mA continuous even when not playing
2014-08-22T04:14:14 < dongs> heh right
2014-08-22T04:14:19 < emeb_mac> and it's totally pointless
2014-08-22T04:14:28 < dongs> i think they were trying to do volume control?
2014-08-22T04:14:36 < emeb_mac> yeah
2014-08-22T04:14:50 < emeb_mac> but the GND connection serves no purpose other than to draw power
2014-08-22T04:14:57 < emeb_mac> GND connection on the pot
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2014-08-22T04:16:55 < dongs> lnix crash
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2014-08-22T04:20:00 < dongs> hmm
2014-08-22T04:20:01 < dongs> crappy
2014-08-22T04:20:11 < dongs> 32pin package only has one SPI
2014-08-22T04:20:14 < dongs> on L0
2014-08-22T04:20:29 < dongs> which im using for a device
2014-08-22T04:20:35 < dongs> no DSD for me :(
2014-08-22T04:21:02 < emeb_mac> only 1 in the device or only 1 pinned out?
2014-08-22T04:21:03 < dongs> usart?
2014-08-22T04:21:14 < dongs> i think 48pin has 2
2014-08-22T04:21:32 < dongs> 64pin has SPI2
2014-08-22T04:21:33 < emeb_mac> if there's a MOSI pin available that's all you need
2014-08-22T04:21:48 < emeb_mac> don't need clk / miso
2014-08-22T04:21:58 < dongs> ya, there isnt
2014-08-22T04:22:01 < dongs> 48pin has it too
2014-08-22T04:22:03 < dongs> but not 32.
2014-08-22T04:22:07 < emeb_mac> gah
2014-08-22T04:22:11 < dongs> laem
2014-08-22T04:22:22 < dongs> the 32pin is huge too, but for final I'll use 5x5 qfn for it
2014-08-22T04:22:29 < dongs> so i dont wanna use 48pin 7x7
2014-08-22T04:22:35 < emeb_mac> right
2014-08-22T04:22:57 < emeb_mac> how fast can usart clock?
2014-08-22T04:23:06 < dongs> good point, probly not 1mhz fast
2014-08-22T04:23:30 < dongs> A common programmable transmit and receive baud rate of up to 4 Mbit/s when the
2014-08-22T04:23:30 < dongs> clock frequency is 32 MHz and oversampling is by 8
2014-08-22T04:23:31 < emeb_mac> if it can clock fast w/ no start/stop bits that would work
2014-08-22T04:23:51 < emeb_mac> 4Mbps is fine
2014-08-22T04:24:01 < dongs> Configurable stop bits (1 or 2 stop bits)
2014-08-22T04:24:05 < dongs> doesnt have "none"?
2014-08-22T04:24:05 < dongs> wtf
2014-08-22T04:24:09 < emeb_mac> stupid
2014-08-22T04:24:23 < dongs> Programmable data order with MSB-first or LSB-first shifting
2014-08-22T04:24:24 < dongs> meh
2014-08-22T04:25:03 < emeb_mac> I thought uSart mean sync and that would allow no framing
2014-08-22T04:25:11 < dongs> The following stop bits are supported by USART: 1, 1.5 and 2 stop bits.
2014-08-22T04:25:12 < dongs> ya no way
2014-08-22T04:25:17 < emeb_mac> bogus
2014-08-22T04:25:33 < emeb_mac> not really synchronous
2014-08-22T04:26:39 < dongs> The USART offers basic support for the implementation of Modbus/RTU and Modbus/ASCII
2014-08-22T04:26:43 < dongs> protocols
2014-08-22T04:26:45 < dongs> lolwut
2014-08-22T04:27:01 < emeb_mac> nobody cares
2014-08-22T04:27:26 < dongs> reading sync mode
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2014-08-22T04:30:02 < gnomad> dongs: that is the cheap and sleazy way of doing it.  However, you are only using speaker excursion in one direction.
2014-08-22T04:33:02 < dongs> gnomad: are you saying i need hbridge
2014-08-22T04:33:41 < gnomad> Putting a big cap in series with the speaker will remove the DC bias,.
2014-08-22T04:33:56 < dongs> oh that
2014-08-22T04:33:58 < gnomad> of course, big caps are expensive, and, well big.
2014-08-22T04:34:12 < dongs> cant i just put 10uF ceramic 0805
2014-08-22T04:34:31 < gnomad> normally I see values 100uF to 470 uF
2014-08-22T04:35:10 < dongs> yeah.. thats not gonna happen
2014-08-22T04:35:21 < dongs> that'd be bigger than the whole board
2014-08-22T04:35:22 < dongs> lulz
2014-08-22T04:35:27 < gnomad> you can do a sim with 10uF and see with the waveform looks like
2014-08-22T04:35:35 < emeb_mac> small cap cuts off low freq resp
2014-08-22T04:35:55 < dongs> i need it fairly clear in voice band
2014-08-22T04:36:02 < dongs> dont care about 50Hz bass.
2014-08-22T04:36:05 < emeb_mac> ya
2014-08-22T04:36:13 < emeb_mac> 300-3500Hz
2014-08-22T04:36:25 < emeb_mac> 10uf mlcc might be ok
2014-08-22T04:36:30 < gnomad> there are formulas for that, I just thow it into ltspice.
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2014-08-22T04:37:02 < dongs> whats the name for that cap. DC bias removing cap for speaker?
2014-08-22T04:37:42 < dongs> http://www.diyaudioprojects.com/Solid/ZCA/sch_ZCA.png
2014-08-22T04:37:44 < dongs> looks pro
2014-08-22T04:37:50 < emeb_mac> bzzt - 10uf w/ 8ohm speaker has 2kHz HPF
2014-08-22T04:37:52 < emeb_mac> no good
2014-08-22T04:38:24 < emeb_mac> dongs: yeah - dc blocking cap
2014-08-22T04:38:49 < emeb_mac> oh wait!
2014-08-22T04:39:24 < emeb_mac> 24kHz PWM will almost always have DC signal riding on high freq carrier...
2014-08-22T04:39:30 < emeb_mac> wonder if that helps...
2014-08-22T04:40:31 < emeb_mac> probably not
2014-08-22T04:41:31 < emeb_mac> dongs: have 32ohm speakers?
2014-08-22T04:41:39 < emeb_mac> that plus 10uF would work
2014-08-22T04:42:11 < dongs> what would use less power when makign noise?
2014-08-22T04:42:13 < dongs> 8 or 32ohm
2014-08-22T04:42:21 < emeb_mac> 32
2014-08-22T04:42:24 < dongs> hmm.
2014-08-22T04:42:33 < emeb_mac> but 32 might be quieter too
2014-08-22T04:42:38 < dongs> right
2014-08-22T04:42:41 < emeb_mac> depends on efficiency
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2014-08-22T04:43:15 < dongs> wow
2014-08-22T04:43:23 < dongs> so many cellphone-style 32ohm shits on digikey
2014-08-22T04:43:34 < dongs> like openframe stuff  that needs a cavity/enclosure to resonate in
2014-08-22T04:43:45 < dongs> http://www.digikey.com/product-detail/en/2403%20260%2000051/423-1174-2-ND/3854662
2014-08-22T04:43:48 < dongs> this type of stuff
2014-08-22T04:43:50 < dongs> hm
2014-08-22T04:44:14 < emeb_mac> cute
2014-08-22T04:44:24 < dongs> emeb_mac: theire frequency response also seems better? all ~8ohm stuff i saw that was small started at 400-600hz
2014-08-22T04:44:29 < emeb_mac> not much of a working surface
2014-08-22T04:44:38 < dongs> im checking 32ohm by price on digikey, and t hey're all 100-200hz
2014-08-22T04:44:49 < emeb_mac> interesting
2014-08-22T04:45:09 < dongs> http://www.digikey.com/product-detail/en/SP-1304/433-1095-ND/3973689 this is not bad
2014-08-22T04:45:13 < emeb_mac> surprising that the smaller area ones have lower freq resp
2014-08-22T04:45:25 < dongs> yeah, i would have imagine thats a factor of size
2014-08-22T04:45:36 < dongs> but if you look at SAME sized 8ohm stuff none of htem go below 400hz
2014-08-22T04:46:54 < dongs> anyway ok i can stick a 0805 pad in series to the speaker and just 0R it for testing or add stuff if I get a 32ohm speaker hooked up
2014-08-22T04:47:29 < emeb_mac> ya
2014-08-22T04:47:59 < emeb_mac> maybe put 2 0805 in series in case you want to add some resistance in too?
2014-08-22T04:48:08 < emeb_mac> if it's LOUDer than you want
2014-08-22T04:48:41 < dongs> no, it needs to be as loud as possible
2014-08-22T04:48:47 < emeb_mac> kk
2014-08-22T04:48:47 < dongs> there's no volume control.
2014-08-22T04:49:12 < emeb_mac> "please put down your weapon - you have 20 seconds to comply"
2014-08-22T04:50:49 < dongs> more like shutdown your blog
2014-08-22T04:51:33 < emeb_mac> for people who need reminding
2014-08-22T04:58:01 < emeb_mac> dongs: that L053 has a DAC - why not use that?
2014-08-22T04:59:08 < dongs> it does?
2014-08-22T04:59:10 < dongs> 051 doesnt
2014-08-22T04:59:16 < dongs> 053 doesnt have 5x5 qfn
2014-08-22T05:00:01 < dongs> ya no dac at 051
2014-08-22T05:01:42 < emeb_mac> aha
2014-08-22T05:01:49 < emeb_mac> wrong part
2014-08-22T05:01:58 < dongs> ya i thought i was doing 053 also
2014-08-22T05:02:01 < dongs> and downloaded RM and datasheet and shit
2014-08-22T05:02:06 < dongs> then iw as like wait, theres no 32qfp
2014-08-22T05:02:13 < dongs> then I looked at what I ordered
2014-08-22T05:02:15 < dongs> and it was 051
2014-08-22T05:02:33 < dongs> since thats  the only one that has 32qfn/qfp
2014-08-22T05:12:19 < emeb_mac> right
2014-08-22T05:12:26 < emeb_mac> what's the spi used for?
2014-08-22T05:12:41 < dongs> accel
2014-08-22T05:12:49 < dongs> i suppose i dont need it while playing sound.
2014-08-22T05:12:58 < dongs> but.
2014-08-22T05:13:22 < dongs> hmm.
2014-08-22T05:13:29 < dongs> yeah, i could just not set CS and use mosi.
2014-08-22T05:13:32 < dongs> k, will wire it up
2014-08-22T05:13:38 < emeb_mac> true
2014-08-22T05:14:28 < emeb_mac> meh - you'd need some sort of gate on mosi to keep it from toggling the speaker when you access the accel
2014-08-22T05:14:59 < dongs> oh, fuck right
2014-08-22T05:23:47 < dongs> hmm
2014-08-22T05:23:59 < dongs> sync usart claims to work with "syncronous device" e.g slave SPI
2014-08-22T05:24:05 < dongs> SPI wouldnt have stop bits, so how does that work
2014-08-22T05:24:12 < emeb_mac> good question
2014-08-22T05:27:26  * emeb_mac tries futilely to download the L0x1 RM from the choking st.com site
2014-08-22T05:27:59 < dongs> haha
2014-08-22T05:28:05 < dongs> i grabbed mine from st-japan
2014-08-22T05:28:56 < dongs> http://www.st-japan.co.jp/st-web-ui/static/active/en/resource/technical/document/reference_manual/DM00108282.pdf
2014-08-22T05:29:00 < dongs> thats the only one thats on google actually
2014-08-22T05:29:24 < dongs> i see ST fucking fails their googlefu as usual
2014-08-22T05:30:00 < emeb_mac> no clock pulses on start bit and stop bit, and a software option to send a clock pulse on the last data bit
2014-08-22T05:30:01 < dongs> theres no mention of stopbits in sync uart mode
2014-08-22T05:30:09 < emeb_mac> they fake it
2014-08-22T05:30:12 < dongs> oh
2014-08-22T05:30:22 < emeb_mac> useless for audio
2014-08-22T05:35:42 < emeb_mac> wtf good is that firewall thing?
2014-08-22T05:37:17 < dongs> hah
2014-08-22T05:37:21 < dongs> sounds like some smartcard-ish shit
2014-08-22T05:42:14 < emeb_mac> makes sense
2014-08-22T05:45:38 < dongs> antihax
2014-08-22T05:47:59 < emeb_mac> oh - got some of those 5050 ws281x RGB LEDs in today
2014-08-22T05:48:33 < emeb_mac> need to find a pinout and try hooking to my ws driver code...
2014-08-22T05:50:20 < dongs> http://www.rushlane.com/perodua-axia-bookings-cross-12128172.html i wonder how many people ordered cuz it says EEV
2014-08-22T05:50:42 < dongs> (but doesnt mean electric vehicle)
2014-08-22T05:52:41 < emeb_mac> haha
2014-08-22T05:52:55 < emeb_mac> maybe it's promoted on EEVBlog
2014-08-22T05:54:09 < dongs> i clicked cuz  cheap EV cars are cool
2014-08-22T05:54:12 < dongs> but totally disappointed
2014-08-22T05:54:19 < dongs> its just some azn shitbox
2014-08-22T05:54:22 < dongs> with 1L gas engine
2014-08-22T05:56:35 < emeb_mac> gutless
2014-08-22T06:00:34 < dongs> got stencil for spdif board
2014-08-22T06:00:36 < dongs> pcb arrives soon
2014-08-22T06:00:40 < dongs> i suppose i should start loading it into dicknplace
2014-08-22T06:01:20 < emeb_mac> the fun never stops
2014-08-22T06:07:50 < dongs> and pcb is here
2014-08-22T06:17:06 < dongs> http://i.imgur.com/NyMfgYV.jpg
2014-08-22T06:17:13 < dongs> fuckers enlarged (more like enraged) silk
2014-08-22T06:43:55 < emeb> thicker linewidths?
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2014-08-22T07:08:14 < upgrdman> nice aim  http://imgur.com/uqg2W96
2014-08-22T07:20:20 < dongs> hmm
2014-08-22T07:20:21 < dongs> waht hte hell
2014-08-22T07:20:29 < dongs> 200V 3 phase is cheaper than what im paying for 100/200V single phase...
2014-08-22T07:20:37 < dongs> like 16y vs 22-24
2014-08-22T07:22:59 < upgrdman> per kWh?
2014-08-22T07:24:01 < emeb> ws281x timer dma fail
2014-08-22T07:24:23 < emeb> starts off with a short pulse
2014-08-22T07:25:41 < dongs> uyeah
2014-08-22T07:25:42 < dongs> upgrdman: yeah
2014-08-22T07:26:03 < upgrdman> and $1 ~= 100 yen, right?
2014-08-22T07:26:06 < dongs> yu
2014-08-22T07:26:08 < dongs> es
2014-08-22T07:26:24 < upgrdman> 22-24 seems really high. that sucks.
2014-08-22T07:26:40 < dongs> 22.50 < 80kWh/mo, 29.72 < 200, 33.59 over that
2014-08-22T07:26:57 < upgrdman> in so cal, it starts at like $0.14 / kWh and tier go up to like $0.38 / kWh
2014-08-22T07:27:48 < dongs> this 3 phase shit is onlyt 15/16yen
2014-08-22T07:29:15 < upgrdman> well 3phase is usually high-power industrial stuff, right? maybe the price is lower because they assume you're going to suck them dry with your marijuna grow house.
2014-08-22T07:29:41 < dongs> they dont have monthly usave tiers
2014-08-22T07:29:43 < dongs> usage
2014-08-22T07:29:54 < dongs> i.e. < 80 < 200 > 200
2014-08-22T07:29:57 < upgrdman> k
2014-08-22T07:30:05 < dongs> so its weird.
2014-08-22T07:30:15 < dongs> if this is the case, im definitely taking one phase out for my reflow oven
2014-08-22T07:30:23 < dongs> cuz wtf
2014-08-22T07:42:03 < emeb> preload enable ftw
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2014-08-22T09:33:36 < zyp> in norway, three phase is the norm everywhere except old houses
2014-08-22T09:33:53 < emeb_mac> wow
2014-08-22T09:34:20 < emeb_mac> US generally only gets split phase 120/120
2014-08-22T09:34:59 < zyp> new houses over here usually have a 20-25 kW supply
2014-08-22T09:36:22 < jpa-> i've never seen a house in .fi that doesn't have three phase.. some summer cottages only
2014-08-22T09:36:25 < zyp> actually, new areas tend to have 400V supplies, I'm not sure how much power you usually get from those
2014-08-22T09:36:35 < emeb_mac> honestly don't know what my house service is rated for
2014-08-22T09:37:05 < zyp> but 230V supplies tend to be 50A or 63A three phase, which makes out to 20 and 25kW respectively
2014-08-22T09:38:24 < zyp> I once lived in a house with a 35A single phase supply, i.e. 8kW
2014-08-22T09:38:45 < zyp> during the winter, cooking food meant running a risk of blowing the main fuse
2014-08-22T09:39:28 < emeb_mac> oops
2014-08-22T09:39:39 < emeb_mac> needs a load controller
2014-08-22T09:41:12 < emeb_mac> hmm... looks like we used 50kWH last sat
2014-08-22T09:41:33 < emeb_mac> that was a hot day - lots of A/C running
2014-08-22T09:41:44 < dongs> in a day?
2014-08-22T09:42:26 < emeb_mac> yes
2014-08-22T09:45:49 < emeb_mac> averaged about 51kWH/day in July
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2014-08-22T10:37:39 < dongs> http://i.imgur.com/ISGoYrE.jpg
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2014-08-22T10:42:42 < GargantuaSauce> new dick&place software?
2014-08-22T10:42:49 < dongs> no, still same garbage software
2014-08-22T10:42:53 < dongs> just showing chinafail on silk expansion
2014-08-22T10:44:23 < dongs> that grid is 5 mil, so I think tehy grew all silk by 5 mil
2014-08-22T10:44:25 < dongs> expanded
2014-08-22T10:44:41 < dongs> cuz 2 caps next to SOT23-5 are now touching /overlapping silk outlines
2014-08-22T10:45:02 < dongs> and sot23 outline is gone
2014-08-22T10:45:25 < emeb_mac> wow - that really did grow
2014-08-22T10:45:32 < GargantuaSauce> ah yeah
2014-08-22T10:46:12 < GargantuaSauce> my sauceboard has gone off to the fab! i'm stoked
2014-08-22T10:46:36 < dongs> also they plated hoels which I specifically marked as npth
2014-08-22T10:47:50 < emeb_mac> fail
2014-08-22T10:48:02 < emeb_mac> sauceboard?
2014-08-22T10:49:00 < dongs> the shit he did in dicktrace
2014-08-22T10:49:02 < dongs> withotu schematic
2014-08-22T10:49:04 < dongs> LIKE A BOSS
2014-08-22T10:49:33 < GargantuaSauce> http://dirtypcbs.com/order_images/-1372_top.png
2014-08-22T10:49:45 < dongs> nice mounting holes
2014-08-22T10:50:01 < GargantuaSauce> hot glue, you're my only hope
2014-08-22T10:50:09 < emeb_mac> lol
2014-08-22T10:50:24 < emeb_mac> seat o' the pants
2014-08-22T10:50:27 < dongs> did you perm-tie 1.5K usb to vcc?
2014-08-22T10:50:30 < emeb_mac> what's it for?
2014-08-22T10:50:46 < dongs> enjoy your non-enumerating device
2014-08-22T10:50:57 < GargantuaSauce> elaborate dongs?
2014-08-22T10:51:10 < dongs> GargantuaSauce: it should only be pulled up when you want to "connect" to usb
2014-08-22T10:51:21 < dongs> usaully people put it on gpio
2014-08-22T10:51:23 < jpa-> it will work fine, as long as your processor boots up quickly
2014-08-22T10:51:25 < dongs> so you can disconnect/renumerate
2014-08-22T10:51:27 < dongs> yeah
2014-08-22T10:51:34 < dongs> as longas you setup USB right away it'll work
2014-08-22T10:51:44 < GargantuaSauce> oh shit good to know :/
2014-08-22T10:52:16 < GargantuaSauce> emeb_mac it's for whatever i feel like tying to a f103 breakout, basically
2014-08-22T10:52:20 < dongs> and with that.. its kinda hard to debug USB
2014-08-22T10:52:27 < dongs> if you step stuff or reboot board
2014-08-22T10:52:31 < dongs> you can't force renumeration
2014-08-22T10:52:44 < emeb_mac> GargantuaSauce: breakouts are good
2014-08-22T10:52:46 < emeb_mac> gn
2014-08-22T10:52:48 < GargantuaSauce> guess i'll cut the trace and run a jumper if it becomes a problem
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2014-08-22T10:52:54 < dongs> yeah
2014-08-22T10:53:00 < dongs> it looks easily patchable
2014-08-22T10:53:10 < dongs> do bluewire from it to BOOT1 or something
2014-08-22T10:53:18 < dongs> then use BOOT1 as PB5 or wahtever it is
2014-08-22T10:53:28 < dongs> then you dont have to solder to  bare pin
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2014-08-22T10:54:25 < GargantuaSauce> yeah or i'll just use one less timer channel
2014-08-22T10:55:16 < GargantuaSauce> dont think i plan on using 4 servos on anything usb connected so that'll do
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2014-08-22T12:10:29 < zyp> dongs, says the guy who does boards with perm-tied pullup
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2014-08-22T12:31:40 < dongs> zyp, the ones i do wiht perm tied pullup are for a single purpose and because I don't have any extra pins
2014-08-22T12:31:52 < dongs> for sure anything that does have enough pins i am doing it properly
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2014-08-22T12:39:19 < dongs> god damn such fucking asshattery in altidong
2014-08-22T12:39:36 < dongs> trying to figure out how to make it show parts for JUST TOP
2014-08-22T12:39:42 < dongs> so I can see which reels of what I need for the shit
2014-08-22T12:39:48 < dongs> BOM manager is fucked
2014-08-22T12:39:57 < dongs> if I choose TOP it misses a bunch of parts, that are mounted both top and bottom
2014-08-22T12:40:09 < dongs> but if I include "contains top"m, then it shows both, and fucks up the counts
2014-08-22T12:40:13 < dongs> fucking asshats
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2014-08-22T12:42:00 < dongs> i was like do i really have no0402 0.1uF on top
2014-08-22T12:42:03 < dongs> hjdfghdfkjgh
2014-08-22T12:50:54 < zyp> so seeed just mailed me to tell me that jpa- gets a DSO Touch
2014-08-22T12:51:09 < Laurenceb> rofl
2014-08-22T12:51:11 < Laurenceb> http://www.bbc.co.uk/news/uk-england-derbyshire-28885927
2014-08-22T12:51:20  * Laurenceb was taught by this guy
2014-08-22T12:51:56 < zyp> and look how you turned out
2014-08-22T12:52:08 < Fleck> lol
2014-08-22T12:52:08 -!- claude is now known as Claude
2014-08-22T12:52:41 < Laurenceb> yeah didnt do me any harm
2014-08-22T12:52:59 < PaulFertser> Laurenceb: no kidding?
2014-08-22T12:53:12 < Laurenceb> yup he was my science teacher
2014-08-22T12:53:46 < dongs> lorf
2014-08-22T12:53:48 < PaulFertser> Did he really swear a lot?
2014-08-22T12:53:58 < Laurenceb> yup
2014-08-22T12:54:06 < PaulFertser> Or punched anybody?
2014-08-22T12:54:13 < PaulFertser> How old were the pupils?
2014-08-22T12:54:16 < Laurenceb> once he knocked someone out with an acorn Archimedes
2014-08-22T12:54:18 < Laurenceb> about 12
2014-08-22T12:54:27 < PaulFertser> Hehe
2014-08-22T12:55:09 < dongs> Following the hearing, the Secretary of State for Education banned him from teaching in England indefinitely.
2014-08-22T12:55:14 < dongs> glad to know he can't teach in england
2014-08-22T12:55:17 < dongs> but probly ok for USA
2014-08-22T12:57:40 < PaulFertser> I was told once I shouldn't use swear words even when not addressing any of my students.
2014-08-22T12:59:12 < GargantuaSauce> isnt the use of mat in public technically illegal anyway
2014-08-22T12:59:23 < PaulFertser> It is, afaik.
2014-08-22T12:59:55 < PaulFertser> But it's really common here.
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2014-08-22T13:09:40 < jpa-> zyp: lul what, they haven't told me :D
2014-08-22T13:10:06 < zyp> well, now you know
2014-08-22T13:10:28 < zyp> http://www.seeedstudio.com/blog/2014/08/22/updated-beta-program-of-dso-touch/ <- this shit
2014-08-22T13:11:26 < jpa-> nice
2014-08-22T13:12:30 < jpa-> i wonder how the hardware is, i.e. what processor they used this time
2014-08-22T13:15:50 < jpa-> looks crappier than the quad
2014-08-22T13:17:11 < jpa-> 72 MSps -> 10 MSps is quite a downgrade
2014-08-22T13:18:47 < _Sync_> o0
2014-08-22T13:18:51 < _Sync_> 10MSps
2014-08-22T13:18:52 < _Sync_> wtf
2014-08-22T13:20:13 < scrts_w> :---D
2014-08-22T13:20:20 < scrts_w> barely to see 1MHz sine...
2014-08-22T13:21:05 < jpa-> probably just MCU this time then.. no fpga fun :(
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2014-08-22T13:58:49 < karlp> dongs: l052 has dac, and comes in 32qfn/qfp, fwiw...
2014-08-22T13:59:31 < karlp> also, the modbus support is cool! less code to do the same thing, same with the auto rs485 driver support
2014-08-22T14:02:24 < karlp> upgrdman: speaking of nice aim: http://en.wikipedia.org/wiki/Arbre_du_T%C3%A9n%C3%A9r%C3%A9 (he wouldn't be the first to find the only thing in a wide open space to hit)
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2014-08-22T14:08:29 < karlp> heh, emeb uses 10 times as much power as our home.  we're only ~5kWh/day.  (but we're only a tiny 48m2 appartment too) 5.8/day in winter...
2014-08-22T14:13:06 < GargantuaSauce> i do about 12
2014-08-22T14:13:34 < GargantuaSauce> too many computers
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2014-08-22T14:40:06 < trepidaciousMBR> karlp: I bet you have actual insulation, we don't do that in the UK
2014-08-22T14:40:18 < trepidaciousMBR> We're just either cold, or poor from paying energy bills
2014-08-22T14:42:40 < Steffanx> because the houses are old or because it's not required trepidaciousMBR?
2014-08-22T14:42:55 < trepidaciousMBR> Both
2014-08-22T14:43:00 < trepidaciousMBR> We just can't be bothered
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2014-08-22T14:49:03 < trepidaciousMBR> It's kind of funny - there was a government scheme to encourage installing insulation, everyone loved it, it started up a whole industry, then the next government cancelled it and replaced it with a loan/finance thing that was so complicated only 2 people actually successfully got a loan. Literally 2.
2014-08-22T14:49:14 < trepidaciousMBR> Lots of insulation fitters lost their jobs, it was awful.
2014-08-22T14:49:18 < trepidaciousMBR> Hence just cold houses
2014-08-22T14:49:39 < trepidaciousMBR> We're going to build thousands of new houses, and they don't have to have particularly good energy efficiency either ;)
2014-08-22T14:51:31 < trepidaciousMBR> It's here if you fancy a laugh: http://en.wikipedia.org/wiki/The_Green_Deal
2014-08-22T14:53:01 < dongs> karlp: hm
2014-08-22T14:54:35 < dongs> karlp: ok, ill use that pin also
2014-08-22T14:54:46 < dongs> prototype with 051 first then order some 052s next time
2014-08-22T14:54:47 < Steffanx> I think energy efficiency is a big thing here in dutchland trepidaciousMBR. I think we actually do have some law that requires a certain efficiency for new houses
2014-08-22T14:55:49 < trepidaciousMBR> Steffanx: Yeah I think you do it right. For example, if you want to make an energy efficient house in the UK, you go find the designs for it from a Dutch or German company, then probably have to get builders from Europe as well, over here no one would know what to do
2014-08-22T14:56:24 < dongs> but for dac output, i can't use fet, im gonna need some kinda opamp or something to amplify it?
2014-08-22T14:56:27 < Steffanx> " from Europe" => poland
2014-08-22T14:56:42 < trepidaciousMBR> We're probably 20-30 years behind on a lot of building stuff, not just insulation but avoiding nasty stuff like VOCs, using sustainable materials, decent plumbing (e.g. pressurised hot water), etc.
2014-08-22T14:56:55 < trepidaciousMBR> Steffanx: Yeah pretty much anywhere except the UK ;) Just kidding :)
2014-08-22T14:57:25 < trepidaciousMBR> We just like to build huge numbers of ugly, badly constructed red brick houses that look exactly the same, and fall apart after a few years
2014-08-22T14:58:11 < zyp> uh, what's the alternative to pressurised hot water?
2014-08-22T14:59:34 < Laurenceb_> http://www.gassafestafford.co.uk/images/gravity-hot-water-system.jpg
2014-08-22T15:00:46 < zyp> wait, are we talking about hot water for heating or hot water for taps and showers?
2014-08-22T15:01:18 < trepidaciousMBR> zyp: It's epic, basically involves a bucket, some drinking straws, a big tank of water with a dead pigeon floating in it, people getting burnt in the shower when someone else flushes the toilet, etc.
2014-08-22T15:01:49 < trepidaciousMBR> zyp: Yup hot water for taps and showers
2014-08-22T15:02:10 < zyp> heh
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2014-08-22T15:02:33 < zyp> I don't think I've ever seen a house in norway without pressurised hot water
2014-08-22T15:03:34 < trepidaciousMBR> zyp: That's because you guys are sane :)
2014-08-22T15:03:44 < trepidaciousMBR> Over here, we just cannot be bothered
2014-08-22T15:04:48 < trepidaciousMBR> When I moved into my house, it had a gravity fed hot water system with a 30 year old thermostat that then broke and filled my bedroom with steam, more or les ruining it. I got it replaced with a pressurised system, but pretty much all plumbers are terrified of them, because they will explode or something ;)
2014-08-22T15:05:40 < zyp> never heard of that happening either
2014-08-22T15:06:13 < zyp> but then again I believe all water heaters are fitted with burst valves to avoid that
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2014-08-22T15:12:59 < mattbrejza> anyone experienced a pin failing and shorting to gnd on a f1?
2014-08-22T15:13:06 < mattbrejza> and by short i mean ~1.5ohms
2014-08-22T15:15:43 < zyp> yeah, I set it to output low
2014-08-22T15:16:12 < zyp> for some reason they always seem to short to ground when I do that :/
2014-08-22T15:16:43 < mattbrejza> er thanks :P
2014-08-22T15:16:54 < mattbrejza> this is without power applied
2014-08-22T15:17:45 < zyp> are you sure you're not measuring the ESD protection paths then?
2014-08-22T15:18:12 < PaulFertser> 1.5Ohms? Unlikely?
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2014-08-22T15:19:42 < mattbrejza> na, the diode test thing on the multimeter is reading almost zero
2014-08-22T15:19:54 < mattbrejza> also the pin refuses to go high and causes excessive current draw
2014-08-22T15:19:59 < mattbrejza> (if set high)
2014-08-22T15:20:35 < zyp> are you sure you don't have a short on the pad/trace then?
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2014-08-22T15:21:36 < mattbrejza> pretty sure, its a short track and doesnt connect next to gnd
2014-08-22T15:21:41 < mattbrejza> also it isnt a dead short
2014-08-22T15:24:39 < Laurenceb_> https://www.youtube.com/watch?feature=player_detailpage&v=jE5dJDgZ644#t=70s
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2014-08-22T15:35:19 < karlp> trepidaciousMBR: yeah, double glazed windows, also, my "winter" figure is cheating, as it doesn't include the hot water bill, as we heat all our homes with hot water piped in from the street
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2014-08-22T15:35:54 < trepidaciousMBR> karlp: Awesome, that's another thing we don't do :)
2014-08-22T15:37:23 < karlp> well, it only works when you have copious geothermal hot water,
2014-08-22T15:37:38 < karlp> not really super efficient to pipe hot water around all over the place
2014-08-22T15:38:02 < trepidaciousMBR> karlp: Yeah, but other countries seem to do stuff where hot water is reused from industry, power plants etc., I don't think we bother
2014-08-22T15:38:16 < karlp> "not as hot" water on the output path goes into under street and under foothpath snow melting coils too
2014-08-22T15:38:32 < karlp> you can only use that hot water pretty locally, and if you have the right industries,
2014-08-22T15:38:56 < karlp> industry here is aluminum, tourism and fishing, only toilet waste water really from them
2014-08-22T15:39:14 < karlp> and lots and lots and lots of heavy carbon emissions from unregulated fishing fleet engines
2014-08-22T15:39:27 < trepidaciousMBR> karlp: Yeah there are probably good reasons we don't do some stuff, other stuff we just can't be bothered
2014-08-22T15:39:27 < karlp> kinda shocked when I saw what the emiisions rates were from fishing fleets
2014-08-22T15:39:42 < trepidaciousMBR> I guess heavy diesel engine stuff can be pretty bad
2014-08-22T15:40:22 < karlp> there's some companies here doing neat stuff to help automatically trim ballast tanks and things to conserve fuel though, which is neat: http://www.marorka.com/
2014-08-22T15:40:51 < trepidaciousMBR> Cool :)
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2014-08-22T15:45:41 < trepidaciousMBR> I want to see more container ships with sails or huge kites: http://www.gizmag.com/cargill-ship-will-be-largest-ever-to-utilize-kite-power/18005/
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2014-08-22T16:15:50 < Laurenceb_> attn dongs
2014-08-22T16:15:51 < Laurenceb_> http://diydrones.com/profiles/blogs/first-flight-of-ardupilot-on-linux
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2014-08-22T17:41:35 < karlp> meh, stm32l0 only has 10 adc channels on the qfp48 packages
2014-08-22T17:42:47 < jpa-> you needed 11?
2014-08-22T17:43:57 < karlp> 12
2014-08-22T17:44:17 < dongs> add LIS3DH
2014-08-22T17:44:22 < dongs> it has 3 channels of 10bit adc
2014-08-22T17:44:37 < karlp> harhar
2014-08-22T17:44:53 < dongs> i dunno why they bothered
2014-08-22T17:45:04 < dongs> based on diagram, its actually another adc thats separate from the accel part.
2014-08-22T17:45:20 < jpa-> probably to hook up analog gyro/mag or something
2014-08-22T17:45:30 < dongs> right, except those dont really exist anymore
2014-08-22T17:45:43 < jpa-> karlp: also remember that if you are 1 byte short on RAM you can use CRC->IDR
2014-08-22T17:46:51 < karlp> thanks man :)
2014-08-22T17:51:00 < emeb> pro haxors
2014-08-22T17:51:26 < emeb> add external mux
2014-08-22T17:51:55 < dongs> drill into the chip packaging and tap temperature ADC channel
2014-08-22T17:52:11 < karlp> no, sampling simultaneously, doesn't matter. was just thinking of using the rs485 driving and modbus support features for a cheaper/faster/newer version, doesn't matter much
2014-08-22T17:52:41 < dongs> board of doom is dicknplacing
2014-08-22T17:52:50 < Steffanx> live stream?
2014-08-22T17:52:50 < Laurenceb_> lol the temperature thingy
2014-08-22T17:52:53 < Laurenceb_> thats annoying
2014-08-22T17:52:57 < emeb> no such thing as sampling simultaneously unless you've got separate SH and/or individual converters
2014-08-22T17:53:05 < dongs> Steffanx: boring, just placing a shitload 0402s
2014-08-22T17:53:13 < dongs> on a board i am not gonna bake, just to see that it aligns all OK
2014-08-22T17:53:19 < dongs> hm its dfone
2014-08-22T17:53:21 < dongs> done
2014-08-22T17:53:48 < dongs> wow, got it all right on the first try
2014-08-22T17:54:00 < dongs> i guess i spent half a day programming that shit for good results
2014-08-22T17:55:17 < emeb> heh - DK order @ local PO. should get l053 disco today
2014-08-22T17:56:53 < dongs> oh, nice. used wrong pattern for inverter
2014-08-22T17:57:05 < dongs> used sot23-5 and the shit igot is 1 size smaller.
2014-08-22T17:59:14 < emeb> new PCB or new part?
2014-08-22T18:05:50 < karlp> emeb: true enough, but sequential channel stuff, not really interested in putting another mux in front of it.
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2014-08-22T18:43:14 < dongs> looks like i did use correct footprint for t he inverter thing
2014-08-22T18:43:17 < dongs> i was thinking something else i had.
2014-08-22T18:43:18 < dongs> nice
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2014-08-22T18:54:08 < Laurenceb_> http://sdr.osmocom.org/trac/wiki/sdrangelove
2014-08-22T18:54:09 < Laurenceb_> lolz
2014-08-22T18:59:18 < dongs> no wonder opensauce dudes never get laid
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2014-08-22T19:04:49 < scrts> haha :D
2014-08-22T19:06:39 < bvsh> sex is overrated :)
2014-08-22T19:10:36 < scrts> no
2014-08-22T19:16:00 < scrts> http://ebayus.channeleffect.com/ImageHosting/viewImage?CompanyId=19321&FilePath=Images/403&DisplaySize=600
2014-08-22T19:16:09 < scrts> ghm... adapter with missing components
2014-08-22T19:16:11 < scrts> china...
2014-08-22T19:16:28 < dongs> tada! my personal raspberrypi clone is complete! connectors everywehre! http://i.imgur.com/0OSjcxu.jpg
2014-08-22T19:17:15 < emeb> meh - sdrangelove needs Qt 5.
2014-08-22T19:17:23 < emeb> sorry, no.
2014-08-22T19:18:19 < emeb> dongs: nice
2014-08-22T19:18:23 < emeb> does it work?
2014-08-22T19:18:41 < dongs> no clue. it just came out of oven and i got the amazinggreen socket hand-soldered
2014-08-22T19:18:47 < dongs> it poweres up and only drwaes 50mA so thats a good start
2014-08-22T19:18:57 < dongs> gonna try poking dac/i2s thing over i2c
2014-08-22T19:19:02 < dongs> and the bga
2014-08-22T19:19:05 < scrts> so hdmi is only for audio?
2014-08-22T19:19:06 < emeb> occupies space and consumes power - "Mission Accomplished"
2014-08-22T19:19:48 < emeb> amazing NCP1532 dual smps?
2014-08-22T19:19:52 < dongs> yessir
2014-08-22T19:19:58 < dongs> and NCP1532 single next to it
2014-08-22T19:20:05 < dongs> err 153somethign
2014-08-22T19:20:06 < emeb> recognized the telltale inductors
2014-08-22T19:20:18 < dongs> 1521
2014-08-22T19:20:21 < emeb> single? orly!
2014-08-22T19:20:30 < emeb> in easy-to-solder sot23-5
2014-08-22T19:20:49 < dongs> ya.
2014-08-22T19:21:06  * emeb makes note
2014-08-22T19:22:50 < emeb> meh - only 600ma max
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2014-08-22T19:23:42 < dongs> its pin compatible with a bunch of htem
2014-08-22T19:23:52 < dongs> LM3670 etc
2014-08-22T19:24:18 < dongs> (tho that one is even worse current)
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2014-08-22T19:25:24 < Steffanx> why dongs doesnt do tag-connect style for programming?
2014-08-22T19:25:42 < Steffanx> or do you only solder the headers to prototypes?
2014-08-22T19:25:48 < dongs> prototypes
2014-08-22T19:26:11 < Laurenceb_> wtf does it do?
2014-08-22T19:26:15 < Laurenceb_> hdmi to jewpad?
2014-08-22T19:26:33 < Steffanx> with audio.
2014-08-22T19:26:49 < dongs> negative
2014-08-22T19:26:59 < dongs> hdmi to some shitty 1080p panel with audio
2014-08-22T19:27:22 < dongs> but theres a bunch of htem wiht that pinout.
2014-08-22T19:27:38 < emeb> has easter-egg mode that inserts japanese insults into audio stream...
2014-08-22T19:27:52 < Steffanx> needs more ST chips btw
2014-08-22T19:27:54 < dongs> that would work if I had i2s going through stm32
2014-08-22T19:28:07 -!- ccole [~cole@coledd.com] has quit [Ping timeout: 245 seconds]
2014-08-22T19:28:13 < emeb> missed opportunity
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2014-08-22T19:29:07 < Steffanx> so what is the stm32 doing?
2014-08-22T19:29:34 < dongs> all the talking
2014-08-22T19:30:03 < emeb> I2C configuration of audio DAC
2014-08-22T19:30:32 < dongs> its i2c to all the chips
2014-08-22T19:30:44 < dongs> and controls power and stuff
2014-08-22T19:30:48 < dongs> switching shit on/off
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2014-08-22T19:32:14 < emeb> dongs: that CS4322 has aux analog audio inputs - shoulda put PWM input from STM32 on one
2014-08-22T19:32:16 < dongs> k ill power it up, do chip erase and if it works, go to sleep
2014-08-22T19:32:45 < dongs> emeb: yeah, considered, but not really needed here. i'll do it for next rev or something, if thi sshit works
2014-08-22T19:33:49 < emeb> interestingly, those analog inputs only go to HP/Line outputs, not speakers.
2014-08-22T19:34:05 < dongs> huh really
2014-08-22T19:34:21 < emeb> guess that's cause the speaker drivers are tapped off the digital side prior to analog summing.
2014-08-22T19:36:05 < emeb> just have to use the on-chip beep generator to annoy & amaze
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2014-08-22T19:43:31 < dongs> wtf
2014-08-22T19:43:37 < dongs> i have 3v everywehre except on the SWD connector
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2014-08-22T19:45:26 < dongs> annd now i do
2014-08-22T19:45:34 < dongs> and chip erase works
2014-08-22T19:45:37 < dongs> sleepy time
2014-08-22T19:46:32 < Steffanx> sweet dreams.
2014-08-22T19:50:53 < Laurenceb_> https://www.kickstarter.com/projects/vulture2spaceplane/balloon-launch-of-the-vulture-2-rocket-powered-spa
2014-08-22T19:53:57 < dongs> what, they cant bankroll that shit from theregister ads?
2014-08-22T19:54:05 < Laurenceb_> nope
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2014-08-22T19:54:10 < dongs> such scam
2014-08-22T19:54:17 < emeb> which one is Laurenceb_?
2014-08-22T19:54:22 < Laurenceb_> guess
2014-08-22T19:54:23 < dongs> none of htem
2014-08-22T19:54:27 < Laurenceb_> correct
2014-08-22T19:54:40 < emeb> troll harder
2014-08-22T19:55:12 < dongs> ^ troll hater
2014-08-22T19:55:17 < emeb> damn - those 5050 ws2812 LEDs are bright
2014-08-22T19:55:44  * emeb blinks away spots in vision
2014-08-22T19:56:13 < dongs> heh
2014-08-22T19:56:34 < zyp> no wonder, they're pulling like 20mA per color
2014-08-22T19:57:04 < emeb> I've got a piece of masking tape over the lens and it's still to bright to look at directly
2014-08-22T19:57:28 < zyp> so don't run them at full brightness? :p
2014-08-22T19:57:46 < emeb> stop being so reasonable
2014-08-22T20:04:17 < Laurenceb_> http://pastebin.com/69gPnGDK
2014-08-22T20:04:23 < Laurenceb_> whats wrong with this python?
2014-08-22T20:06:08 < dongs> besides the part that its python?
2014-08-22T20:06:27 < Laurenceb_> and running on a mac...
2014-08-22T20:06:27 < emeb> dongs beats me to the obvious joke
2014-08-22T20:07:06 < Steffanx> something should be wrong except what dreamland-dongs said?
2014-08-22T20:07:26 < Laurenceb_> apparently it doesnt run
2014-08-22T20:07:32 < Laurenceb_> i dont have a mac to test
2014-08-22T20:07:34 < Steffanx> ooh
2014-08-22T20:07:50 < Steffanx> right serial port?
2014-08-22T20:07:56 < Laurenceb_> yes
2014-08-22T20:08:05 < dongs>  /dev/lunix/sucks
2014-08-22T20:08:06 < Laurenceb_> hmm
2014-08-22T20:08:08 < dongs> ok, really bedtime :)
2014-08-22T20:08:34 < Laurenceb_> i bet it cant open the port
2014-08-22T20:11:38 < Steffanx> could be you have to use cu.serialstuff not tty.serialstuff there is a difference but i dont remember the details
2014-08-22T20:17:31 < Laurenceb_> fap level: Tectu
2014-08-22T20:17:33 < Laurenceb_> https://derpicdn.net/img/2014/5/17/628875/full.jpg
2014-08-22T20:17:35 < Laurenceb_> nsfw
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2014-08-22T20:27:40 < PaulFertser> Steffanx: cu vs tty is probably different on *BSDs/OSX, not on GNU/Linux iirc.
2014-08-22T20:28:16 < Steffanx> is there even a cu on lunix?
2014-08-22T20:29:11 < PaulFertser> Laurenceb_: i'd strace the app to see what's happening
2014-08-22T20:29:11 < Steffanx> i was inferring Laurenceb_ was talking about os x.
2014-08-22T20:30:26 < Steffanx> because most people use that on a mac
2014-08-22T20:30:30 < PaulFertser> Ah
2014-08-22T20:31:04 < PaulFertser> I do not understand how hardcoding the dev path can work for a generic case then.
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2014-08-22T20:32:53 < PaulFertser> http://stuffthingsandjunk.blogspot.nl/2009/03/devcu-vs-devtty-osx-serial-ports.html hm
2014-08-22T20:37:16 < PaulFertser> Steffanx: you seem to be right, cu vs tty is the likely issue with that script.
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2014-08-23T01:06:34 < ds2> ]
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2014-08-23T01:31:56 < Tectu> [
2014-08-23T01:35:17 < Tectu> Laurenceb, ping
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2014-08-23T01:49:31 < Laurenceb> sup
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2014-08-23T02:46:20 < dongs> sup dongs
2014-08-23T02:46:38 < dongs> not much chat occured while i was gone
2014-08-23T02:52:13 < Fleck> anyone got a lib for this: http://www.geeetech.com/wiki/index.php/3.2TFT_LCD ?
2014-08-23T02:53:05 < GargantuaSauce> i think thats the same as the one i have
2014-08-23T02:53:11 < GargantuaSauce> i can give you my code but it's fucking garbage
2014-08-23T02:53:31 < Fleck> what? all your code is garbage? :D
2014-08-23T02:53:42 < GargantuaSauce> most is
2014-08-23T02:53:54 < GargantuaSauce> i believe uGFX supports that chipset btw
2014-08-23T02:54:29 < Fleck> ok, thx GargantuaSauce! :)
2014-08-23T02:57:03 < GargantuaSauce> https://bitbucket.org/Ultrasauce/robots/src/d664b0102ea95769367268f7dda36c3c8dfb87df/stm32/first-steps/lcd.c?at=master yep this is my code for the same lcd driver
2014-08-23T02:57:43 < GargantuaSauce> the init sequence is copypasta, i had trouble producing a functional one straight from the datasheet for whatever reason
2014-08-23T03:02:10 < GargantuaSauce> also uh the "mandelbrot" function actually draws a julia set at the moment i think
2014-08-23T03:02:48 < GargantuaSauce> eew this is from when i still used stdperiph
2014-08-23T03:02:49 < GargantuaSauce> gross
2014-08-23T03:08:57 < dongs> why so nop
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2014-08-23T03:15:15 < Fleck> what are you using now GargantuaSauce?
2014-08-23T03:17:27 < GargantuaSauce> i just dick with the registers
2014-08-23T03:18:00 < Fleck> ouch ;D
2014-08-23T03:18:07 < GargantuaSauce> i really like it actually
2014-08-23T03:20:19 < GargantuaSauce> but yeah the way that should really be done is using the fsmc
2014-08-23T03:20:28 < GargantuaSauce> or at the very least, dma to the gpios
2014-08-23T03:20:49 < GargantuaSauce> or a state machine and timer interrupts
2014-08-23T03:20:58 < GargantuaSauce> anything but what it's doing now
2014-08-23T03:22:03 < emeb> GargantuaSauce: ws2812 LED working w/ STM32F100
2014-08-23T03:22:21 < GargantuaSauce> cool
2014-08-23T03:22:22 < ds2> emeb: what are you doing with the LEDs?
2014-08-23T03:22:26 < GargantuaSauce> about to order a tape of those
2014-08-23T03:22:53 < emeb> ds2: synthesizer client wants 'em for indicators
2014-08-23T03:23:33 < ds2> isn't it cheaper to run LEDs via the GPIOs?
2014-08-23T03:24:28 < emeb> ds2: depends - these RGB LEDs are about $0.14/ea in qty and include 3-chl PWM driver
2014-08-23T03:24:45 < emeb> very easy to use
2014-08-23T03:24:57 < emeb> and only takes 1 GPIO
2014-08-23T03:25:06 < emeb> for a string of up to 1k
2014-08-23T03:26:12 < emeb> I need four indicators, so that would be 12 PWM GPIO channels vs 1 w/ this approach
2014-08-23T03:26:36 < GargantuaSauce> yeah it'd be a nice simple solution for like...one or two maybe
2014-08-23T03:26:46 < GargantuaSauce> or more if you have to be able to update them all at once
2014-08-23T03:26:49 < GargantuaSauce> for a pov or something
2014-08-23T03:27:06 < GargantuaSauce> otherwise you cant beat these serial ones i think
2014-08-23T03:27:49 < emeb> yup
2014-08-23T03:28:18 < dongs> http://i.imgur.com/YhtCN4V.jpg dat bga
2014-08-23T03:28:40 < _Sync_> wow such bridges
2014-08-23T03:29:19 < dongs> more like caps on the bottom
2014-08-23T03:29:52 < _Sync_> ah
2014-08-23T03:30:34 < emeb> xray dongs
2014-08-23T03:30:48 < _Sync_> what xray machine is it? seems like it resolves pretty well
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2014-08-23T03:44:36 < dongs> dental sensor, http://www.ebay.com/itm/261562249057 one of these things
2014-08-23T03:44:50 < dongs> infact, i think that exact one
2014-08-23T03:45:19 < _Sync_> oh nice
2014-08-23T03:45:48 < dongs> hm no, mine has cable slightly prpotruding from back
2014-08-23T03:46:00 < dongs> which is annoying to mount on flat surface, so i end up holding pcb + sensor under the xray tube
2014-08-23T03:46:47 < dongs> maybe that would be a useful use for 3d-dicker
2014-08-23T03:46:54 < dongs> to make a holder fo that thing so i can just set pcb on top of it
2014-08-23T03:46:57 < _Sync_> ah, well that only covery a pretty small area
2014-08-23T03:47:04 < _Sync_> what source are you using?
2014-08-23T03:47:07 < dongs> yep, its like 2x2 at most
2014-08-23T03:47:20 < dongs> less probly
2014-08-23T03:47:52 < dongs> source = some old tube
2014-08-23T03:48:30 < _Sync_> that sounds like a pretty ghetto setup
2014-08-23T03:48:35 < dongs> it is
2014-08-23T03:48:44 < dongs> but it works
2014-08-23T03:49:29 < dongs> http://www.ebay.com/itm/310838942860 wow sweet
2014-08-23T03:49:32 < dongs> such a deal, and from china
2014-08-23T03:49:34 < _Sync_> I guess, I'd probably want something that covers a bigger area
2014-08-23T03:50:02 < _Sync_> those things are not sufficiently shielded at the back
2014-08-23T03:50:13 < dongs> no shit? :)
2014-08-23T03:50:55 < _Sync_> they could be, if the chinese would invest in 2mm lead shield
2014-08-23T03:51:18 < _Sync_> iirc there was some case in the uk where people took those things seriously
2014-08-23T03:53:08 < dongs> sync, you could always just go ghetto and use photopaper
2014-08-23T03:53:20 < dongs> the source would be wide enough to cover a bigger area.
2014-08-23T03:53:38 < dongs> for my purposes its fine, i actually did use paper once to get much amaze rez
2014-08-23T03:53:51 < dongs> lemme see if i stil have it cached somewhere
2014-08-23T03:54:26 < dongs> http://pbx.mine.nu/random/haxray.jpg this was photopaper
2014-08-23T03:54:30 < _Sync_> yeah but using photopaper is teh geii
2014-08-23T03:54:44 < dongs> but you can count bonding wirez
2014-08-23T03:55:23 < dongs> vcc wires are like 3 bonds per pin!
2014-08-23T03:56:29 < _Sync_> yeah well no shit paper has proper resolution
2014-08-23T03:57:06 < dongs> so dont complain
2014-08-23T03:57:23 < dongs> buy that chinese EMP beam, wrap it in lead, then start snapping pix
2014-08-23T03:57:35 < _Sync_> apparently there are a few that film off some intensifier
2014-08-23T03:57:46 < _Sync_> I could just use my siemens dental xray head
2014-08-23T04:00:12 < _Sync_> if I'd get a small developing station dealing with paper would be ok maybe
2014-08-23T04:09:21 < ds2> 0.14? hmmmm
2014-08-23T04:09:41 < ds2> how fast can you update a chain of 1000 of them?
2014-08-23T04:10:05 < dongs> 800kHz per bit
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2014-08-23T04:10:43 < dongs> 3us/pixel
2014-08-23T04:11:23 < dongs> 3ms/1k
2014-08-23T04:11:47 < ds2> it doesn't need any settling time per pixel?
2014-08-23T04:11:52 < dongs> not per pixel
2014-08-23T04:11:58 < dongs> 700us? I think blanking pulse at end
2014-08-23T04:12:06 < ds2> Ohhh
2014-08-23T04:12:31 < ds2> does that blanking pulse allow all 1000 LEDs to be synchronized ?
2014-08-23T04:13:04 < dongs> dunno. prety sure it just propagates
2014-08-23T04:13:07 < dongs> its only 1 wire protocol
2014-08-23T04:13:21 < ds2> I saw that. just assumed there are a lot of limitations
2014-08-23T04:13:45 < _Sync_> I actually wonder what the internal circuit looks like
2014-08-23T04:13:50 < ds2> wanted to do something like a 1000 LED screen
2014-08-23T04:14:12 < ds2> if it can do 3ms/1000 LEDs, then 30fps is in range
2014-08-23T04:14:21 < dongs> oh, for sure
2014-08-23T04:14:27 < dongs> i've made huge arrays of these (like 60k? pixels)
2014-08-23T04:14:30 < dongs> doing 30fps
2014-08-23T04:14:40 < ds2> hmmm
2014-08-23T04:14:45 < ds2> and each one only needs 3 wires?
2014-08-23T04:15:03 < dongs> you need some massive power supplies and drop them every xx pixels
2014-08-23T04:15:20 < ds2> massive as in current capacity?
2014-08-23T04:15:26 < dongs> yeah, obiosuly
2014-08-23T04:15:42 < _Sync_> yeah no shit
2014-08-23T04:15:50 < ds2> (vs high voltage tricks with bare LEDs)
2014-08-23T04:15:59 < dongs> these are 5v vcc max
2014-08-23T04:16:20 < ds2> per LED but i was hoping it can do some chaining tricks
2014-08-23T04:16:36 < dongs> you can't
2014-08-23T04:16:48 < _Sync_> they need to have their ground
2014-08-23T04:16:51 < dongs> if you want chaining tricks, use ws2801 drivers
2014-08-23T04:16:54 < _Sync_> so you can't dick around
2014-08-23T04:16:59 < dongs> and regular leds
2014-08-23T04:17:58 < ds2> with a 1000 LEDs drawing even 10mA each, that's like 10A's on a very high inductance setup....
2014-08-23T04:18:12 < dongs> https://www.youtube.com/watch?v=OuWqJCdwi7s this is using ws2801 and here's idea of its scale https://www.youtube.com/watch?v=DgujVPFQ8IA
2014-08-23T04:18:16 < ds2> RFI is got to be pretty nasty with certain display patterns
2014-08-23T04:27:09 < dongs> wtf
2014-08-23T04:27:12 < dongs> dickstarter went all gay
2014-08-23T04:27:13 < dongs> and web 3.-
2014-08-23T04:27:38 < dongs> https://www.kickstarter.com/projects/1058334310/kickstart-tel-aviv-fest-2015 furiosuly donating
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2014-08-23T04:28:49 < dongs> https://www.kickstarter.com/projects/1408347240/internet-steamgauge?ref=category
2014-08-23T04:29:10 < dongs> I've written a program which runs on a Raspberry Pi computer to poll an Internet router every 10 seconds. This data is sent to an Arduino microcontroller which is connected to a servo that moves the needle on the gauge.
2014-08-23T04:30:37 < _Sync_> lel
2014-08-23T04:31:29 < _Sync_> dongs: did you get anywhere with the afrobgc stuff?
2014-08-23T04:31:44 < dongs> it works, i dont have time to do anythign else wiht it
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2014-08-23T04:32:56 < baird> steamgauge - hardly the 'calm technology' that invented that particular idea: http://www.ubiq.com/weiser/calmtech/calmtech.htm
2014-08-23T04:38:54 < _Sync_> ah k, I was just interested because I hacked together a single axis one and was wondering on what position estaminator to use
2014-08-23T04:41:39 < dongs> tehres opensauce shit, its just a dumb pid loop
2014-08-23T04:41:42 < dongs> nothing fancy
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2014-08-23T04:44:33 < _Sync_> yeah no shit pid, I was just thinking that there might be a clevur trick to the imu
2014-08-23T04:45:39 < dongs> no, nothing at all
2014-08-23T04:45:51 < dongs> you just keep it level.
2014-08-23T04:45:56 < dongs> thats the target
2014-08-23T04:46:08 < dongs> error is by how much its off level target etc.
2014-08-23T04:46:22 < dongs> same principle as balancing robot etc shit.
2014-08-23T04:48:49 < _Sync_> yup, I was just thinking that there might be more magic to determining the positional error
2014-08-23T04:49:04 < dongs> gyro is on the thing you want ot keep level.
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2014-08-23T05:46:07 < bsdfox> I like risk #1 "there is another war"
2014-08-23T05:49:02 < bsdfox> while ((SPI1-SR & 0x1800) != 0);
2014-08-23T05:49:26 < bsdfox> I don't understand why I can't do that to wait for the tx fifo to empty
2014-08-23T05:55:58 < upgrdman> -> not -
2014-08-23T05:56:30 < bsdfox> typo
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2014-08-23T05:56:33 < upgrdman> and i use this on the f0:
2014-08-23T05:56:41 < upgrdman> while((SPI1->SR & SPI_SR_TXE) == 0);				// wait for empty TX buffer
2014-08-23T05:56:55 < upgrdman> perhaps you need ==, not !=
2014-08-23T05:57:14 < bsdfox> upgrdman, yeah but that bit changes when the fifo is half empty
2014-08-23T05:57:47 < upgrdman> hmmm, ya i think i was doing 1byte at atime
2014-08-23T05:57:52 < bsdfox> I need to toggle another pin for command bytes vs data bytes and the fifo is making this occur prematurely
2014-08-23T05:58:09 < bsdfox> is there a way to disable the spi txfifo on f0?
2014-08-23T06:00:30 < upgrdman> dunno
2014-08-23T06:00:36 < upgrdman> check rm
2014-08-23T06:00:48 < dongs> cool, dac is alive on i2c
2014-08-23T06:01:29 < bsdfox> yeah read it for quite a while and couldn't find an easy way to do it.. seems like a silly reason to add some overhead but it's not that big of a deal I suppose
2014-08-23T06:04:32 < upgrdman> anyone know how to keep flash from locking onto mouse back/forward buttons? in chrome if that matters. when i press the mouse back button, i was the browser to go back, not have the flash shit think i want to rewind a video or some retarded shit.
2014-08-23T06:14:19 < dongs> cool. WM8804 also alive
2014-08-23T06:14:33 < dongs> i guess spdif part should work
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2014-08-23T06:58:37 < bsdfox> yeah.. so definitely none of the three status flags are useful to determine if the tx fifo is empty
2014-08-23T06:58:56 < bsdfox> I feel like a dbag but the only way I can get this working is adding a delay
2014-08-23T07:13:55 < upgrdman> bsdfox: what about SR->FTLVL
2014-08-23T07:16:59 < upgrdman> o you were
2014-08-23T07:17:00 < upgrdman> hmmm
2014-08-23T07:19:09 < upgrdman> would the busy flag work?
2014-08-23T07:25:46 < bsdfox> upgrdman, nope, busy doesn't clear
2014-08-23T07:26:17 < upgrdman> :(
2014-08-23T07:26:23 < bsdfox> I fought with it this morning, looked again after some beer.. still doesn't make sense. I'll probably take another look next week
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2014-08-23T08:23:47 < dongs> 17uS /bit is what buttrate
2014-08-23T08:23:58 < emeb_mac> slow
2014-08-23T08:24:41 < dongs> hm, wait, 1 bit  is up|transition|down, or just up|transition
2014-08-23T08:25:08 < dongs> nybve 8,6us
2014-08-23T08:25:22 < dongs> #define Bitime 0x045 // 8.6 us bit length ~ 115942
2014-08-23T08:25:22 < dongs> hm
2014-08-23T08:25:25 < dongs> thats 115200
2014-08-23T08:25:30 < dongs> which is wat i would expect
2014-08-23T08:25:38 < dongs> time for logic analyzer, tek sucks ass at usart decodeing
2014-08-23T08:25:58 < emeb_mac> usBEE
2014-08-23T08:26:10 < emeb_mac> or saelae
2014-08-23T08:26:15 < dongs> no not that filth
2014-08-23T08:26:18 < emeb_mac> haha
2014-08-23T08:26:45 < emeb_mac> I use that for i2c sometimes. works OK
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2014-08-23T08:32:36 < dongs> um lol @ this fir,warew
2014-08-23T08:39:02 < dongs> http://bcas.tv/paste/results/EBB3uf75.html i think someone forgot to do printf that can do %d etc
2014-08-23T08:39:19 < ds2> bah
2014-08-23T08:39:23 < ds2> use a beaglebone
2014-08-23T08:48:07 < dongs> nie
2014-08-23T08:48:08 < dongs> it all wokrs
2014-08-23T08:48:40 < dongs> http://i.imgur.com/NQR5Y2N.jpg
2014-08-23T08:49:00 < emeb_mac> speakers too?
2014-08-23T08:49:18 < dongs> well ill get to that part,m i need to program dac+i2s thing
2014-08-23T08:49:23 < dongs> need to murder kids first
2014-08-23T08:49:29 < dongs> but yes i guess it should work
2014-08-23T08:51:10 < dongs> .55A including panel and bl
2014-08-23T08:51:12 < dongs> at 5v
2014-08-23T08:51:13 < dongs> not too bad
2014-08-23T08:51:26 < emeb_mac> so green
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2014-08-23T09:00:10 < ds2> that's nearly 2.5Ws
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2014-08-23T09:05:35 < dongs> can almost usb power! (legally)
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2014-08-23T09:08:58 < ds2> USB 3
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2014-08-23T09:14:33 < jadew> dongs, what are you using for a LA?
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2014-08-23T09:17:11 < dongs> that pokemon thing.
2014-08-23T09:17:27 < jadew> no name?
2014-08-23T09:19:05 < jadew> 4 GHz sampling speed?
2014-08-23T09:19:07 < jadew> wtf
2014-08-23T09:19:49 < jadew> is that what this means: http://www.jds.co.jp/?page_id=107
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2014-08-23T09:23:10 < dongs> its rebrand of http://www.acute.com.tw/product/la.php
2014-08-23T09:23:45 < jadew> what's the difference between timing analysis and state analysis?
2014-08-23T09:24:05 < jadew> 200 MHz bandwidth / 4 GHz sampling?
2014-08-23T09:24:32 < jadew> even so, that's pretty bad ass
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2014-08-23T09:29:56 < jpa-> jadew: or it can capture timing down to 4 GHz accuracy, but only up to 200 M timestamps per second
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2014-08-23T09:30:33 < jpa-> i.e. fast frontend, slow RAM
2014-08-23T09:30:40 < jadew> yeah, that would make sense too
2014-08-23T09:31:03 < jadew> kinda hard to get 4 GHz with those connections
2014-08-23T09:31:20 < jadew> looks like a regular header
2014-08-23T09:32:01 < jpa-> ah the datasheet seems to tell more
2014-08-23T09:32:12 < jpa-> 4 GHz free running, 200 MHz max external clock
2014-08-23T09:32:43 < jadew> ah ah, so we can assume the bandwidh is indeed 200 MHz
2014-08-23T09:33:14 < jadew> it's probably where the clock limitation comes from
2014-08-23T09:33:21 < jadew> looks very good tho
2014-08-23T09:33:39 < jpa-> yeah, probably the 4 GHz is something useless just so that they can say it is "4 GHz"
2014-08-23T09:34:15 < jadew> well, you might get better timing resolution, but yeah, you're probably right
2014-08-23T09:34:37 < jpa-> have you found some price for that? i'm too mlazy to google
2014-08-23T09:34:57 < jadew> no, was about to do an e-bay search, but I'm eating a sandwitch atm
2014-08-23T09:35:24 < dongs> its around 1k or something.
2014-08-23T09:35:26 < dongs> i forget.
2014-08-23T09:35:37 < dongs> the software is absolutely amaze
2014-08-23T09:36:02 < dongs> shitload of decoders, all sorts of triggering (in hardware + software), its worth it just for the functions alone even if hardware only did shit like saleae crap
2014-08-23T09:37:40 < jadew> is this it? http://www.eltusys.co.kr/cheditor/attach/travellogic_software_window_copy1.jpg
2014-08-23T09:37:59 < dongs> ya
2014-08-23T09:39:39 < jadew> I should start making LA hardware, would probably make a killing based on the software quality alone
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2014-08-23T09:40:06 < jadew> I find most LA software bad on so many levels
2014-08-23T09:40:16 < jadew> is like EEs have no clue how to make a good UI
2014-08-23T09:40:54 < dongs> ya saleae UI is absolutely useless
2014-08-23T09:41:02 < dongs> perfect example of fail
2014-08-23T09:41:25 < jadew> it's a win with people who like shiny stuff
2014-08-23T09:42:07 < jpa-> making good logic analyzer gui is not that easy for some reason
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2014-08-23T09:42:29 < jadew> jpa-, I made it
2014-08-23T09:42:33 < jadew> and I think it kicks ass
2014-08-23T09:42:47 < dongs> pics or it didnt happen
2014-08-23T09:42:55 < jadew> http://dumb.ro/lafront/
2014-08-23T09:43:15 < jadew> spent only about a month on it and I don't have any incentive to improve it further
2014-08-23T09:43:33 < jpa-> so not very good - it is quite easy to make a good start :P
2014-08-23T09:43:38 < jadew> but if I was actually earning money from that, it would be top quality
2014-08-23T09:43:44 < dongs> looks good
2014-08-23T09:43:47 < dongs> .nut?
2014-08-23T09:43:54 < dongs> or winapi
2014-08-23T09:43:58 < jadew> jpa-, oh no, it already is better than everything else I tried
2014-08-23T09:44:05 < jadew> dongs, winapi
2014-08-23T09:44:18 < jpa-> doesn't tell much, because every one i have seen is crap :P
2014-08-23T09:44:48 < jadew> jpa-, well, it's got proper search, protocol decoders in JS, so you can easily write your own
2014-08-23T09:44:58 < jadew> decoded data is linked with crap on the screen
2014-08-23T09:45:13 < jadew> so you can select data in the decoded window by actually selecting the annotations
2014-08-23T09:45:36 < jadew> nice measurements
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2014-08-23T09:46:58 < jadew> I really think that if I was doing it for $$, I'd be able to make something legendary
2014-08-23T09:47:00 < jadew> like VS
2014-08-23T09:47:20 < dongs> jadew: whats stopping you
2014-08-23T09:47:35 < dongs> lets go make hardware to go with this shit and dickstart it
2014-08-23T09:47:37 < jpa-> there isn't that much money in yet-another-la
2014-08-23T09:47:40 < dongs> web3.0 javascript decoders
2014-08-23T09:47:42 < dongs> sure tehre is
2014-08-23T09:47:44 < jadew> dongs, I don't think there's too big of a market for good LAs
2014-08-23T09:47:53 < jadew> people buy $8 saleae clones
2014-08-23T09:48:00 < jpa-> also windows-only :F
2014-08-23T09:48:01 < dongs> because people are idiots
2014-08-23T09:48:12 < dongs> all the pros use windows
2014-08-23T09:48:24 < dongs> its the lunix crowd that buys $8 saleal clones
2014-08-23T09:48:38 < dongs> cuz they owuldnt pay for a real thing anyway
2014-08-23T09:49:24 < jadew> most people wouldn't, not when there are cheaper alternatives around that get the job done
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2014-08-23T10:43:48 < jadew> jpa-, I have no issue with writing software for other operating systems, but I'm not particularly fond of opensourcing my stuff and there's also the issue of difficulty in implementing some things
2014-08-23T10:45:32 < jadew> for example the diagram control is very tightly integrated with the OS API and porting that to every OS would be way too much work
2014-08-23T10:46:58 < jadew> now you can always use some framework that cross compiles, but their functionality is usually within the constraints of all the operating systems they support
2014-08-23T10:47:56 < jadew> so a lot of things that work great with a pure windows application, will be pretty much garbage, implemented with that framework
2014-08-23T10:48:39 < jadew> it's a big compromise, but given that the most important user of that application is me, I didn't have any problem making it :)
2014-08-23T10:50:37 < jadew> one thing that's poorly supported in most frameworks and it's pretty much missing on linux is the support for docking windows
2014-08-23T10:51:54 < jadew> I can't even think of an application that has that on linux, come to think of it, maybe that's why GIMP has such a crazy interface
2014-08-23T10:55:32 < jadew> I believe UX is very important and if you have to sacrifice half of the possible user base to get it right, I think it's worth it and it might even get you more users than if you offered crappy UX, but for everyone
2014-08-23T11:00:28 < Fleck> morning ppl!
2014-08-23T11:04:53 < jadew> morning
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2014-08-23T11:05:11 < jadew> I'm off
2014-08-23T11:05:12 < jadew> bye
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2014-08-23T11:07:35 < Fleck> take care!
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2014-08-23T11:18:59 < Fleck> GargantuaSauce: where did you got those cmds in lcd.c ?
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2014-08-23T11:25:56 < dongs> jadew: fuck yea, 100% agreed
2014-08-23T11:26:33 < dongs> hm i need to get some small HDMI source for debugging
2014-08-23T11:26:38 < dongs> keeping my laptop on next t o this shit isnt gonna work
2014-08-23T11:26:56 < dongs> hm maybe gobro
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2014-08-23T11:33:30 < Fleck> got raspi? :)
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2014-08-23T11:39:17 < timemob> is it hard to use Ethernet phy without ip
2014-08-23T11:39:27 < timemob> just raw data pump
2014-08-23T11:39:41 < timemob> for point to point shit
2014-08-23T11:40:46 < timemob> or like 1:n shit
2014-08-23T11:40:53 < timemob> but just tx only
2014-08-23T11:41:55 < jpa-> probably harder on the PC side than on the device side
2014-08-23T11:42:03 < Fleck> ;p
2014-08-23T11:42:50 < jpa-> not sure if you can do continuous transmission or if you still need to do ethernet frames
2014-08-23T11:42:55 < timemob> no PC side
2014-08-23T11:43:05 < timemob> embedded to embedded
2014-08-23T11:43:33 < _Sync_> jpa-: I guess you would have to make a custom kernel driver
2014-08-23T11:43:42 < timemob> basically just to get xx mbps of data across some distance
2014-08-23T11:43:54 < timemob> and has existing wiring
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2014-08-23T12:08:42 < timemob> hm
2014-08-23T12:09:14 < timemob> I think I've seen China shit use phy with FPGA just for data transfer
2014-08-23T12:14:35 < _Sync_> yeah why not
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2014-08-23T12:18:17 < t1memob> dix
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2014-08-23T14:18:13 < dongs> http://www.ebay.com/itm/151202948718 wat
2014-08-23T14:19:26 < Tectu> -- This USB 2.0 16 port HUB can be used for testing your device, transferring data.
2014-08-23T14:19:29 < Tectu> there you go
2014-08-23T14:20:39 < dongs> zyp: retweeting http://www.st.com/web/en/catalog/tools/PF260318
2014-08-23T14:22:19 < Steffanx> wasnt beaky totally happy with that board?
2014-08-23T14:22:39 < dongs> http://www.ebay.com/itm/151195262567 in case 16 USB ports wasn't enough, you can get 320
2014-08-23T14:23:34 < dongs> http://www.ebay.com/itm/171426225908 this is a nice deal
2014-08-23T14:23:52 < Tectu> dongs, if you care, this is what I use:  http://www.exsys.ch/images/exsys/EX-1177.jpg
2014-08-23T14:24:18 < dongs> close, but no cigar
2014-08-23T14:24:24 < dongs> yours doesnt have individual port switching
2014-08-23T14:24:40 < dongs> i've got a 13 port usb2/3 hub with a pushbutton on each plug
2014-08-23T14:24:45 < dongs> so I can quickdisconnect stuffz
2014-08-23T14:24:58 < Tectu> I haven't had the need for that so far
2014-08-23T14:25:01 < Steffanx> only available in jappyland?
2014-08-23T14:25:06 < Steffanx> i want a hub like that.
2014-08-23T14:25:32 < dongs> Steffanx: bought in best korea actually
2014-08-23T14:25:33 < Tectu> I prefer my swiss industrial grade 80€ 7-port USB hub... -.-'
2014-08-23T14:25:50 < Steffanx> just a rebranded sweex Tectu..
2014-08-23T14:25:53 < dongs> lemme d ig part#
2014-08-23T14:26:03 < Tectu> Steffanx, nope, this is from a swiss company
2014-08-23T14:26:09 < Steffanx> yes rebranded
2014-08-23T14:26:15 < Tectu> ...
2014-08-23T14:26:21 < Tectu> it is not
2014-08-23T14:26:24 < Steffanx> :P
2014-08-23T14:26:30 < Tectu> their fucking name is embedded in the metal casing and the PCB
2014-08-23T14:26:30 < dongs> Steffanx: http://item2.gmarket.co.kr/English/detailview/item.aspx?goodscode=339896455
2014-08-23T14:26:46 < dongs> looks like that
2014-08-23T14:26:57 < Steffanx> oh nice nice, will google a bit.
2014-08-23T14:26:59 < Tectu> with that cheap asian crap I am always wondering if they really give you the speed
2014-08-23T14:27:31 < Tectu> dongs, but does it disable the actual data crap? because 95% of those hubs I've seen so far just cut VBUS
2014-08-23T14:28:19 < dongs> Tectu: yes, its only vbus. no problem for me since thats what I need.
2014-08-23T14:28:52 < Tectu> okay
2014-08-23T14:29:03 < dongs> http://itempage3.auction.co.kr/DetailView.aspx?itemno=A886567549 lol its ~$16
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2014-08-23T15:03:23 < GargantuaSauce> Fleck: probably some arduino blogpost :V
2014-08-23T15:03:30 < GargantuaSauce> i dont remember it was like a year ago
2014-08-23T15:03:45 < Fleck> ok :)
2014-08-23T15:03:45 < GargantuaSauce> look at ugfx if you want a solution that doesnt suck
2014-08-23T15:03:55 < Fleck> no problem! Just asking!
2014-08-23T15:06:31 -!- CoolBear is now known as CoolBeer
2014-08-23T15:09:36 < Fleck> GargantuaSauce: also I have not BSRRH and BSRRL, did you define those by your self so that you have acc to 16bit regs?
2014-08-23T15:09:58 < GargantuaSauce> no, they're in the f4xx header
2014-08-23T15:10:15 < GargantuaSauce> but yeah they're just the high and low shorts of bsrr
2014-08-23T15:16:36 < Tectu> arduino <3
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2014-08-23T15:22:59 < Steffanx> Tectu look look
2014-08-23T15:23:45 < Tectu> where?
2014-08-23T15:25:16 < dongs> zyp, dig this http://www.everprotech.com/UploadFiles/Images//admin/201403/11.jpg.axd
2014-08-23T15:28:10 < Laurenceb> double high speed to superspeed?
2014-08-23T15:28:39 < dongs> no
2014-08-23T15:28:41 < dongs> other way around
2014-08-23T15:28:46 < dongs> superspeed to highspeed
2014-08-23T15:29:31 < GargantuaSauce> oh sweet
2014-08-23T15:29:37 < GargantuaSauce> any idea what the price is? not on their page
2014-08-23T15:29:39 < Laurenceb>  /troll
2014-08-23T15:30:00 < dongs> GargantuaSauce: unsure, sent them email
2014-08-23T15:30:15 < dongs> it sounds industrial
2014-08-23T15:30:16 < dongs> so probly $$
2014-08-23T15:30:30 < GargantuaSauce> ya if it has a fibre bridge probably pretty spensive
2014-08-23T15:31:25 < GargantuaSauce> oh thats a separate cable thing
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2014-08-23T15:33:29 < dongs> hmpf
2014-08-23T15:33:35 < dongs> i cant make my fucking laptop actually output hdmi audio shit
2014-08-23T15:33:44 < dongs> is this something that i'd see in EDID or what
2014-08-23T15:33:56 < GargantuaSauce> probably windows audio config
2014-08-23T15:34:01 < dongs> already there
2014-08-23T15:45:11 < scrts> change the default audio device
2014-08-23T15:45:14 < scrts> in audio settings
2014-08-23T15:45:22 < scrts> happened this when connected to my TV..
2014-08-23T15:46:54 < Laurenceb> http://forums.theregister.co.uk/forum/1/2014/08/23/bofh_2014_episode_8/
2014-08-23T15:47:00 < Laurenceb> third comment :D
2014-08-23T15:47:45 < Steffanx> theregister is gathering of troll.. even worse than ##stm32
2014-08-23T15:47:49 < Steffanx> *trolls
2014-08-23T15:56:26 < dongs> ugh
2014-08-23T15:56:37 < dongs> does gumstix not provide a fucking single-file download for some lunix for thier shit
2014-08-23T15:56:44 < dongs> all i see is fucking tar.gz files
2014-08-23T15:56:51 < dongs> i wanna write someshit to sd card to boot from
2014-08-23T15:57:15 < dongs> https://s3-us-west-2.amazonaws.com/gumstix-yocto/Releases/2014-05-27/overo/master/gumstix-xfce-image-overo.tar.bz2 wtf is this shit
2014-08-23T15:58:53 < dongs> OMFG WTF
2014-08-23T15:58:57 < dongs> i have eto use lunix t o do it
2014-08-23T15:59:01 < dongs> http://www.gumstix.org/create-a-bootable-microsd-card.html
2014-08-23T15:59:19 < dongs> complete fucking faggotry. lunix doersnt even support USB devices
2014-08-23T15:59:20 < dongs> or SD cards
2014-08-23T15:59:23 < dongs> waht the fuck are these people talking about
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2014-08-23T16:00:28 < Tectu> is somebody of you able to tell me how the fuck I can set up GDB with Qt? Note: not for remote targets, for actually debugging a computer application
2014-08-23T16:00:32 < Tectu> it always used to work out of the bex
2014-08-23T16:00:35 < Tectu> box*
2014-08-23T16:00:46 < Tectu> now it throws "no debugger set up." at my face but I don't see anything missing
2014-08-23T16:01:19 < Laurenceb> trolls trolling trolls
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2014-08-23T16:26:49 < Steffanx> You mean, the register .co .uk, Laurenceb
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2014-08-23T17:37:05 < dongs> http://i.imgur.com/gAre3iu.jpg works with aspieberrypi: ship it.
2014-08-23T17:38:10 < scrts> your table is damn tidy compared to mine
2014-08-23T17:38:28 < Steffanx> You should see Tectu's desk.
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2014-08-23T17:39:00 < dongs> yea i shoved some shit off for the screenshot
2014-08-23T17:39:34 < Tectu> http://i.imgur.com/tduvIOF.jpg
2014-08-23T17:39:40 < Tectu> tectu's desk ^
2014-08-23T17:39:55 < Steffanx> mr dongs is watching sattelites?
2014-08-23T17:39:59 < Tectu> on average day
2014-08-23T17:40:04 < Steffanx> *satellites
2014-08-23T17:40:07 < Tectu> scrts, show us
2014-08-23T17:40:21 < scrts> not at that place atm :(
2014-08-23T17:40:26 < scrts> kitchen.. ;)
2014-08-23T17:40:35 < dongs> Steffanx: reading about galileo sat fuckup
2014-08-23T17:40:45 < dongs> http://www.nasaspaceflight.com/2014/08/arianespace-soyuz-st-b-galileo-mission/
2014-08-23T17:41:14 < Tectu> dongs, give summary
2014-08-23T17:41:37 < dongs> tl;dr wrong orbit, oops
2014-08-23T17:41:43 < Steffanx> Do they know yet if they have enough fuel to get them in the proper orbit?
2014-08-23T17:41:51 < dongs> seems no
2014-08-23T17:42:12 < dongs> they might repurpose them for something else but theres not much else they can do with the equipment on there.
2014-08-23T17:43:20 < Tectu> LOL
2014-08-23T17:43:25 < Tectu> now that is an expensive fail
2014-08-23T17:47:27 < scrts> how many glonass satellites did russians fail to launch?
2014-08-23T17:47:30 < dongs> according to another article they're about 1000km too low
2014-08-23T17:47:41 < dongs> so they're probly fucked
2014-08-23T17:48:02 < scrts> I know at least two blown up when launched from Baikonur
2014-08-23T17:48:58 < Tectu> dongs, does text say how much per satelite?
2014-08-23T17:49:14 < dongs> 53mil
2014-08-23T17:49:15 < dongs> $
2014-08-23T17:49:25 < dongs> and 105mil to send it up
2014-08-23T17:49:35 < Tectu> million per satelite?
2014-08-23T17:49:37 < dongs> y
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2014-08-23T17:49:47 < Tectu> wait... it costs two times as much to bring them up than building the thing?
2014-08-23T17:49:49 < dongs> no, per flight
2014-08-23T17:49:59 < dongs> and i think they're sending them in pairs/quads
2014-08-23T17:50:18 < Tectu> 105 millions to bring them up and the actual thing is just 50 millions?
2014-08-23T17:50:32 < dongs> all that fucking fuel is expensive
2014-08-23T17:50:50 < Tectu> is the main portion really the fuel?
2014-08-23T17:50:57 < Tectu> or is that an assumption?
2014-08-23T17:51:04 < dongs> no clu, you gotta ask R2COM
2014-08-23T17:51:09 < dongs> our resident spaceX employee
2014-08-23T17:51:27 < Tectu> meh
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2014-08-23T18:15:28 < dongs> lol. why the h ell does aspieberrypi boot in 1824x984 window
2014-08-23T18:15:37 < dongs> is it for overscan incase esomeone uses RCA video connector
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2014-08-23T18:18:16 < Tectu> learn how to type
2014-08-23T18:18:38 < Tectu> (kidding, obviously)
2014-08-23T18:23:48 < scrts> well there're also blanking periods for lcds
2014-08-23T18:24:16 < dongs> http://wiki.raspberrytorte.com/index.php?title=HDMI_Configuration was this
2014-08-23T18:24:24 < dongs> disable_overscan=1
2014-08-23T18:37:00 < dongs> haha what the fuck
2014-08-23T18:37:04 < dongs> i opened youtube on aspieberry
2014-08-23T18:37:08 < dongs> NOTHING HAPPENS
2014-08-23T18:37:10 < dongs> no flash player, no html5
2014-08-23T18:37:13 < dongs> what hte fuck is this ancient trash
2014-08-23T18:37:25 < ReadError> be happy the shit didnt crash 30 seconds after starting x
2014-08-23T18:38:01 < Steffanx> install windows dongs
2014-08-23T18:38:02 < dongs> haha it comes wiht DILLO
2014-08-23T18:38:03 < dongs> o man
2014-08-23T18:38:08 < dongs> i remember this in like 1996
2014-08-23T18:38:11 < dongs> it was some GTK trash
2014-08-23T18:38:15 < dongs> it still looks same
2014-08-23T18:38:29 < dongs> i just need the fucking t hing to make some noise
2014-08-23T18:38:35 < dongs> so i can see if my hdmi audio is working or nto
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2014-08-23T19:36:54 < _Sync_> Tectu: it is
2014-08-23T19:37:29 < Tectu> _Sync_, context?
2014-08-23T19:41:17 < t1memob> I guess fuel
2014-08-23T19:42:25 < Tectu> aah
2014-08-23T19:42:27 < Tectu> thanks _Sync_
2014-08-23T19:46:34 < kakeman> should one prefer using three op amp instrumentation amplifier scheme with wien bridge weight scale elements?
2014-08-23T19:48:20 < jpa-> total of some 300 000 kg of fuel.. so rocket fuel costs 300 EUR/kg? :P
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2014-08-23T19:48:56 < jpa-> kakeman: depends on accuracy requirements
2014-08-23T19:49:04 < jadew> this chip is pissing me off
2014-08-23T19:49:23 < jpa-> though i wouldn't bother making it from three op amps, instead use a ready-made instrumentation amplifier chip
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2014-08-23T19:50:44 < kakeman> oh
2014-08-23T19:50:50 < kakeman> there are such
2014-08-23T19:51:06 < bvernoux> hi
2014-08-23T19:51:45 < kakeman> I would have used standart opam
2014-08-23T19:53:50 < jadew> any idea why a stm32f4 would deassert RTS when it shouldn't?
2014-08-23T19:53:51 < jadew> http://dumb.ro/files/rts_issue.png
2014-08-23T19:54:05 < jadew> this is what the main loop does: http://pastebin.com/hSRPtuq0
2014-08-23T19:56:06 < jadew> after the transmission, it receives something and properly deasserts RTS (high), then for absoluteley no obvious reason it reasserts it (low)
2014-08-23T19:56:21 < jadew> when it clearly isn't consuming any more data, so RTS should stay freaking high
2014-08-23T19:56:43 < jadew> suggestions?
2014-08-23T19:57:58 < jadew> I checked, it's not resetting or anything like that
2014-08-23T19:59:49 < kakeman> what kind of voltage range is typical for trasfering amplified analog signal?
2014-08-23T19:59:53 < kakeman> 0-12V ?
2014-08-23T20:00:12 < scrts> guys, anyone use LwIP?
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2014-08-23T20:02:12 < upgrdman> kakeman: how long?
2014-08-23T20:02:52 < upgrdman> for example, with current amps doing 0-3V they work fine on a pcb, but it might get really noisey if you run some long ass wires
2014-08-23T20:03:14 < kakeman> in machine scale
2014-08-23T20:03:19 < kakeman> 5meters
2014-08-23T20:03:47 < upgrdman> coax or just flying wires
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2014-08-23T20:09:43 < kakeman> coax certainly
2014-08-23T20:13:14 < upgrdman> i would try 12v.
2014-08-23T20:13:22 < upgrdman> heh. stealing a lawn. http://www.liveleak.com/view?i=1bd_1408766241
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2014-08-23T20:17:56 < kakeman> or twisted differential pair
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2014-08-23T20:37:22 < qyx_> kakeman: coax is better
2014-08-23T20:37:30 < qyx_> and mostly it is done ~1Vpp
2014-08-23T20:37:35 < qyx_> see standard audio/video
2014-08-23T20:37:44 < qyx_> or vga
2014-08-23T20:38:57 < upgrdman> cool. TIL
2014-08-23T20:39:05 < kakeman> my design is 3v3 so I can plug it right in
2014-08-23T20:40:56 < kakeman> to adc
2014-08-23T20:41:22 < kakeman> keeping max resolution
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2014-08-23T21:24:33 < upgrdman> is a transmission line just a pair of conductors with very consistent parasitics along it's length?
2014-08-23T21:25:31 < jadew> yeah, may not be that consistent tho and still be governed by the rules of a transmission line
2014-08-23T21:26:50 < jadew> I believe a more apropriate deffinition would be 2 conductors that have some sort of measurable capacitance between them
2014-08-23T21:27:08 < jadew> the rest are just properties
2014-08-23T21:27:25 < upgrdman> wouldn't that be ~all conductors that are within a few cm of each other?
2014-08-23T21:27:54 < jadew> pretty much, which is why you try to keep them as close as possible
2014-08-23T21:28:01 < jadew> (the pairs)
2014-08-23T21:28:06 < upgrdman> k
2014-08-23T21:33:10 < jadew> btw, the idea is not to have consistent properties across both wires (altho that would help) but to pick up equal quantities of noise at the same positions
2014-08-23T21:34:11 < jadew> so at the other end the signal amplitude is the same in respect to the other wire as it was when you put it on the line
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2014-08-23T21:51:50 < gxti> not all transmission lines are differential pairs
2014-08-23T21:52:27 < gxti> the main characteristic of transmission lines is that they have a uniform impedance, of which consistent parasitics are one part
2014-08-23T21:53:06 < jadew> uniform impedance is desired, it's not what makes it a transmission line
2014-08-23T21:53:39 < jadew> if it doesn't have uniform impedance it's a crappy transmission line, but still a transmission line
2014-08-23T21:53:42 < gxti> it's what makes it one transmission line and not an amalgamation of several :P
2014-08-23T21:55:10 < gxti> wikipedia says so, and wikipedia is always right
2014-08-23T21:55:31 < Steffanx> agreed
2014-08-23T21:55:49 < gxti> differential signalling is also important but it's a separate concept
2014-08-23T21:56:15 < gxti> audio stuff is often poorly matched but still has good noise characteristics because of differential signalling
2014-08-23T21:57:09 < jadew> I think a transmission line is anything that can "hold" a signal inside
2014-08-23T21:57:27 < jadew> I view everything else as mere properties
2014-08-23T21:57:29 < gxti> that's an odd defnition. ifit's a transmission line why is it holding something? :p
2014-08-23T21:57:44 < jadew> :P
2014-08-23T22:08:55 < kakeman> i need measurement of weight scale element in second(s) scale so some filters will do
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2014-08-23T23:12:00 < jadew> lmfao, I turned a power strip on while my frequency counter was plugged in it and had the power button in the On position
2014-08-23T23:12:09 < jadew> stopped responding, nothing brought it back
2014-08-23T23:12:29 < jadew> so I put the power button back in the on position and switched the power strip off and then on again
2014-08-23T23:12:33 < jadew> now it works lol
2014-08-23T23:13:11 < jadew> prior to that, I tried cutting the power completely too, but had no effect
2014-08-23T23:13:49 < Steffanx> Real magics
2014-08-23T23:13:54 < jadew> indeed
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2014-08-24T00:57:08 < qyx_> 		for(;;) {
2014-08-24T00:57:08 < qyx_> 		start_trans:
2014-08-24T00:57:20 < qyx_> ...
2014-08-24T00:57:22 < qyx_> goto start_trans;
2014-08-24T00:57:26 < qyx_> wut..
2014-08-24T00:57:35 < Laurenceb__> how do i install python packages?
2014-08-24T00:57:47 < Laurenceb__> in the site-packages folder?
2014-08-24T00:58:01 < Laurenceb__>  Traceback (most recent call last):   File "examples/LXtest.py", line 28, in <module>     main()   File "examples/LXtest.py", line 7, in main     import LX200 ImportError: No module named LX200
2014-08-24T00:58:35 < qyx_> https://docs.python.org/2/install/ ?
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2014-08-24T01:00:20 < Steffanx> pip does that for me.
2014-08-24T01:01:55 < Laurenceb__> this is a custom module with no setup.py
2014-08-24T01:02:27 < Steffanx> so dont install it?
2014-08-24T01:02:29 < qyx_> it should be enough to have LX200.py in the current directory
2014-08-24T01:02:45 < Laurenceb__> oh
2014-08-24T01:02:51 < Laurenceb__> im confused
2014-08-24T01:02:58 < Steffanx> dont be its python.
2014-08-24T01:03:10 < Laurenceb__> http://rjs.org/Python/
2014-08-24T01:03:28 < Laurenceb__> i want to install
2014-08-24T01:03:29 < Laurenceb__> LX200.zip
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2014-08-24T01:04:33 < Steffanx> it says to copy it to the site-packages dir, yay.
2014-08-24T01:04:53 < Laurenceb__> yup, done
2014-08-24T01:04:57 < Laurenceb__> no worky
2014-08-24T01:05:30 < Laurenceb__> what else do i have to do?
2014-08-24T01:05:36 < Laurenceb__> PYTHONPATH or something?
2014-08-24T01:07:36 < Laurenceb__> no clue here :-/
2014-08-24T01:10:33 < Steffanx> it should be possible to have the directory(a package because of your __init__.py) in the current directory and import LX200.whatever
2014-08-24T01:10:58 < Steffanx> site-packages dir in your python path?
2014-08-24T01:11:31 < Laurenceb__> hmm
2014-08-24T01:11:43 < Laurenceb__> ill ask
2014-08-24T01:11:48 < Laurenceb__> my mac friend has issues
2014-08-24T01:12:29 < Steffanx> You like fuckly so you can also just add in the python code sys.path.append("dir-to-site-packages") to be sure its in your path :P
2014-08-24T01:12:43 < Steffanx> before you import your other crap
2014-08-24T01:13:16 < Steffanx> or ask dongs how to fix.
2014-08-24T01:13:30 < Laurenceb__> lol
2014-08-24T01:13:33 < Laurenceb__> ok thanks
2014-08-24T01:13:36 < Laurenceb__> will pass it on
2014-08-24T01:14:04 < Steffanx> no dont :P
2014-08-24T01:18:26 < Steffanx> how you fixed your serialport issues btw Laurenceb__?
2014-08-24T01:18:38 < Steffanx> i mean his/her issues.
2014-08-24T01:25:28 < qyx_> nah, using snprintf() enlarges the code by 19K
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2014-08-24T01:47:47 < Laurenceb__> back
2014-08-24T01:47:48 < Laurenceb__> ['/usr/local/lib/python2.6/site-packages',  '/Library/Frameworks/SQLite3.framework/Versions/B/Python/2.6', etc
2014-08-24T01:47:55 < Laurenceb__> File "__init__.py", line 108, in <module>     from Telescope import Telescope   File "/usr/local/lib/python2.6/site-packages/Telescope.py", line 16, in <module>     import LX200 ImportError: No module named LX200
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2014-08-24T01:56:59 < Laurenceb__> wtf
2014-08-24T01:57:02 < Laurenceb__> works on ubuntu
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2014-08-24T03:13:46 < baird> lul: https://twitter.com/humanclock/status/503325034652258304
2014-08-24T03:16:38 < GargantuaSauce> generally when we say 'retweeting' in here we aren't being quite that literal
2014-08-24T03:19:20 < baird> +1
2014-08-24T03:19:41 < GargantuaSauce> upboats to the left
2014-08-24T03:33:14 < baird> Returning from the bushwalk yesterday, I noticed a suspicious looking plant growing out in the clear about two metres from the road.
2014-08-24T03:41:35 < GargantuaSauce> add it to openstreetmaps
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2014-08-24T03:49:00 < baird> After I satisfy myself with the new air compressor
2014-08-24T03:49:50 < GargantuaSauce> e_e
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2014-08-24T03:58:57 < dongs> Look up "Linux driver ABI" and you'll find out...it doesn't exist. it doesn't exist NOT because its a bad idea (hint: every other OS has one) but because of POLITICS, because some of the hardcore zealots scream "ZOMFG they might not give us teh precious codez ZOMFG"...except most of the major corps ALREADY DON'T GIVE YOU THE CODE so it makes not a shitting lick of fricking difference!
2014-08-24T04:00:24 < GargantuaSauce> i am pretty sure it's more so they can happily break the abi with every new kernel release
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2014-08-24T04:03:32 < GargantuaSauce> ....come to think of it is this an argument for freebsd i'm hearing from dongs? :D
2014-08-24T04:08:36 < baird> Someone mentioned doing an ARM port of CP/M (68k) .. Perfect for anyone who needs API that's been set in stone for 40 years..
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2014-08-24T04:22:47 < Simon--> hrm, is it me or is stm32f3 stdperiph lib ADC_GetInjectedConversionValue() totally broken.. eg (not my code, just reference) https://github.com/espruino/Espruino/blob/master/targetlibs/stm32f3/lib/stm32f30x_adc.c#L2122
2014-08-24T04:23:55 < Simon--> it's expecting ADC_InjectedChannel_1 if you want the fist channel, but that's literal 1, which when added to JDR_Offset is one byte past JDR1
2014-08-24T04:24:56 < Simon--> avr called and wanted its pointer math back
2014-08-24T04:25:08 < dongs> lols, probably - i wonder why hte fuck they're even going through the trouble of doing that
2014-08-24T04:25:17 < dongs> isnt tehre ADCx->JDRxx already to begin wiht?
2014-08-24T04:25:35 < dongs> is ADC_InjectedChannel_1 zero-based?
2014-08-24T04:25:36 < dongs> or 1
2014-08-24T04:25:44 < Simon--> yes. you could just use that. but you know, binary driver ABI ;)
2014-08-24T04:26:03 < Simon--> JDR_Offset ends up pointing it at the equiv of ADCx->JDR1
2014-08-24T04:26:09 < dongs> huh no, fuck abi dude
2014-08-24T04:26:13 < Simon--> then it adds bytes to it, when the regs are 32-bit
2014-08-24T04:26:27 < dongs> the only reason stdperiph exists is so you can see how its broken and write your own impl
2014-08-24T04:26:34 < Simon--> hehe
2014-08-24T04:26:40 < Simon--> example how not to do it
2014-08-24T04:26:55 < dongs> i mean,,, all ST samples for DMA and shit still do garbage like DMA->CMAR = 0x400234234234 whatever, instead of doing &ADC->DR
2014-08-24T04:27:00 < dongs> like what hte fuck?!
2014-08-24T04:27:13 < Simon--> all ST docs are like what's stdperiphlib
2014-08-24T04:27:16 < dongs> why would you wanna put some magic shit number if stuff is already properly broken up in structs in the main processor .h
2014-08-24T04:27:25 < dongs> yeah , timecube or bust
2014-08-24T04:28:00 < Simon--> pfft
2014-08-24T04:30:03 < GargantuaSauce> whatcha workin on simon
2014-08-24T04:30:16 < dongs> sounds like NDA stuff
2014-08-24T04:30:17 < Simon--> life safety equipment
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2014-08-24T05:09:31 < dongs> https://www.indiegogo.com/projects/ritot-the-first-projection-watch lewl
2014-08-24T05:11:13 < GargantuaSauce> lol those photos
2014-08-24T05:11:30 < GargantuaSauce> https://images.indiegogo.com/file_attachments/665053/files/20140621123426-style3.png?1403379266 shooped, pixels, etc
2014-08-24T05:12:30 < dongs> haha
2014-08-24T05:12:33 < dongs> they're gonna use DLP projector, DLP3000DMD
2014-08-24T05:12:36 < dongs> check 'updatres'
2014-08-24T05:12:38 < dongs> updates
2014-08-24T05:12:54 < GargantuaSauce> >Unfortunately we did not have enough time to prepare projection at an angle.
2014-08-24T05:12:58 < GargantuaSauce> isnt that KIND OF KEY
2014-08-24T05:13:02 < dongs> lul
2014-08-24T05:13:22 < GargantuaSauce> and their prototype board is so huge!
2014-08-24T05:14:21 < dongs> its not even theirs
2014-08-24T05:14:24 < dongs> its just TI's devkit
2014-08-24T05:14:32 < dongs> yo can order it at digikey or someshit
2014-08-24T05:14:37 < GargantuaSauce> i see
2014-08-24T05:14:44 < GargantuaSauce> and people gave them a million dollars
2014-08-24T05:14:48 < GargantuaSauce> gonna have to watch this one.
2014-08-24T05:20:14 < dongs> totally legit
2014-08-24T05:20:27 < dongs> https://www.indiegogo.com/projects/mu-thermal-camera-a-great-tool-to-save-on-energy-costs lets see if these guys delivered yet
2014-08-24T05:20:36 < dongs> nope
2014-08-24T05:20:39 < dongs> 3 months last update
2014-08-24T05:21:31 < GargantuaSauce> theres a new one that sucks less and looks like it'll actually deliver
2014-08-24T05:21:40 < GargantuaSauce> still shit resolution though
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2014-08-24T05:34:47 < dongs> dickstarter?
2014-08-24T05:34:52 < dongs> that hema cam or someshit?
2014-08-24T05:34:54 < dongs> homocam
2014-08-24T05:35:02 < dongs> but its only 32x32 rez or so
2014-08-24T05:35:07 < dongs> and not bolomter but some other tech
2014-08-24T05:35:10 < dongs> same shit as IRBlue
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2014-08-24T05:36:02 < GargantuaSauce> yeah hema is what i was thinking of. 64x62
2014-08-24T05:36:34 < GargantuaSauce> which is probably just on the threshold of usefulness i guess
2014-08-24T05:36:58 < GargantuaSauce> in any case if i wanted an ir cam i would probably get the cheapest flir
2014-08-24T05:37:34 < dongs> right
2014-08-24T05:37:35 < dongs> thats what i got
2014-08-24T05:37:40 < dongs> the 1k one that gets hax0red into 320x240
2014-08-24T05:37:44 < dongs> i duno if theyt're still haxable
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2014-08-24T07:56:54 < Simon--> whole stm32f3 stdperiph injected everything is broken. guess they never tested it
2014-08-24T07:57:05 < Simon--> works fine wih direct config
2014-08-24T07:58:05 < dongs> no surprise
2014-08-24T07:58:11 < dongs> maybe timecube works better
2014-08-24T07:58:17 < Simon--> timecube?
2014-08-24T07:58:27 < dongs> the "other" new stdperiph
2014-08-24T07:58:29 < dongs> that tehy want you to use
2014-08-24T07:58:39 < dongs> http://www.st-japan.co.jp/web/en/catalog/tools/PF260613
2014-08-24T07:58:39 < dongs> yepo
2014-08-24T07:58:44 < dongs> thats newer than stdperiph already.
2014-08-24T07:58:45 < Simon--> is that some gui codesplat thing?
2014-08-24T07:58:47 < dongs> yes
2014-08-24T07:58:57 < dongs> that shit has sores tho
2014-08-24T07:59:04 < dongs> you can probly crosscheck injection stuff to confirm it fails
2014-08-24T07:59:46 < Simon--> dling 45.9MB
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2014-08-24T08:53:32 < dongs> sup
2014-08-24T08:54:46 < dongs> R2COM: did you preorder https://www.indiegogo.com/projects/ritot-the-first-projection-watch
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2014-08-24T09:28:37 < baird> Dick Smiths (or Jaycar?) were selling a similuar thing back in the 80s...
2014-08-24T09:29:19 < baird> That didn't project on the backhand, though
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2014-08-24T09:55:39 < dongs> sup blogs
2014-08-24T10:27:34 < jpa-> blogs down
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2014-08-24T15:06:15 < dongs> any good soft-off circuit
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2014-08-24T15:28:20 < dongs> hm wow the one in eevblag is huge+ugly
2014-08-24T15:32:17 < Laurenceb__> like ur mum
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2014-08-24T15:55:58 < dongs> ctrl+click to show alternative locations for same signal in timecubeMX - pretty cool
2014-08-24T15:56:55 < baird> Seeing how slow I can get a MSP430's MCLK going, without an external clock. Seems to be 1.5kHz
2014-08-24T15:58:12 < Laurenceb__> <LeoBodnar> pyserial does not work <LeoBodnar> all i want to do is to open the port at 9600 and write :MS# to it <LeoBodnar> it does not work
2014-08-24T15:58:15 < Laurenceb__> loldongs
2014-08-24T15:59:21 < PaulFertser> Laurenceb__: have you seen that suggestion to use cu instead of tty on OS X?
2014-08-24T15:59:30 < Laurenceb__> yes :P
2014-08-24T15:59:44 < PaulFertser> Does it not work with cu?
2014-08-24T16:00:24 < Laurenceb__> AttributeError: 'module' object has no attribute 'Serial'
2014-08-24T16:00:30 < Laurenceb__> helps to have pyserial installed
2014-08-24T16:02:03 < baird> If it were a plain Unix system, serial ports default to 9600 baud. echo ":MS#"
2014-08-24T16:02:38 < baird> ..."echo -n ':MS#' >/dev/ttyS0 .. would work
2014-08-24T16:02:48 < Laurenceb__> <LeoBodnar> now i understand why US has so many pointless shootings
2014-08-24T16:07:52 < dongs> no doubt all because of python
2014-08-24T16:07:57 < dongs> totally agree with him there
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2014-08-24T18:06:05 < qyx_> Laurenceb__: wtf are you doing
2014-08-24T18:06:09 < qyx_> apt-get install python-serial
2014-08-24T18:06:29 < qyx_> every sane distrib should have these basic packages in repos
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2014-08-24T18:07:09 < qyx_> ah, osx
2014-08-24T18:19:36 < Steffanx> and even then it still a piece of cake to get it installed qyx_
2014-08-24T18:20:18 < Steffanx> Especially if you already have tools like pip (pipy) installed
2014-08-24T18:21:47 < jpa-> what if your are trollfected?
2014-08-24T18:25:14 < Steffanx> i think that guy is smart enough not to get trollfected by trollenceb.
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2014-08-24T23:48:08 < Fleck> kinda stuppid q. I guess, but where are GPIO_TypeDef struct member offsets assigned?
2014-08-24T23:48:45 < Fleck> or they get offset by member data types sizes?
2014-08-24T23:49:34 < zyp> of course
2014-08-24T23:49:37 < upgrdman> iirc, the data types
2014-08-24T23:49:46 < Fleck> ok
2014-08-24T23:52:40 < GargantuaSauce> yeah that's how a struct works
2014-08-24T23:52:56 < GargantuaSauce> the funny thing is there's no guarantee the compiler will actually put them where you expect
2014-08-24T23:53:36 < GargantuaSauce> like it can choose to add an arbitrary offset to any of those members for the purposes of alignment etc
2014-08-24T23:54:45 < Fleck> yeah, and thats why I tried to find place where offset are assigned :p lol
2014-08-24T23:54:55 < GargantuaSauce> there's an offsetof() directive i think
2014-08-24T23:55:41 < GargantuaSauce> but in practice unless you do something silly like put a char before an int in the struct, it will be arranged as expected
2014-08-24T23:56:56 < Fleck> Some platforms have specific rules about how variables must be laid out in memory - consequently, the compiler may leave gaps between the variables.
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--- Day changed Mon Aug 25 2014
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2014-08-25T00:08:53 < Laurenceb__> new airport tannoy prank
2014-08-25T00:08:59 < Laurenceb__> message for Ivy Bowler
2014-08-25T00:15:30 < Steffanx> im not sure i should ask .. but where's the fun Laurenceb__?
2014-08-25T00:18:10 < Laurenceb__> say it quickly
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--- Log closed Mon Aug 25 00:27:29 2014
--- Log opened Mon Aug 25 00:27:35 2014
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2014-08-25T00:27:43 < Tectu> upgrdman, it does check for type compatibility at compile time
2014-08-25T00:28:10 < upgrdman> (foo *) doesn't?
2014-08-25T00:28:14 < Tectu> no
2014-08-25T00:28:27 < Tectu> upgrdman, for example, you cannot cast class A to class B if class B is not derivered from class A
2014-08-25T00:28:32 < upgrdman> ya
2014-08-25T00:28:39 < Tectu> "derivered" is definitely the wrong term...
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2014-08-25T00:28:50 < upgrdman> descended
2014-08-25T00:29:03 < Tectu> "derived" is the correct one
2014-08-25T00:29:20 < _Sync_> Tectu: does the static cast really check it?
2014-08-25T00:30:55 < Tectu> _Sync_, i've been told by professional C++ developers
2014-08-25T00:31:04 < Tectu> _Sync_, I don't know the insights. better ask zyp or jpa-
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2014-08-25T00:32:14 < Tectu> _Sync_, google says yes
2014-08-25T00:33:02 < _Sync_> we are currently discussing what the idea behind that construct is
2014-08-25T00:33:09 < _Sync_> and if it makes sense or not
2014-08-25T00:33:56 < Tectu> "we"?
2014-08-25T00:35:12 < _Sync_> yes
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2014-08-25T00:48:07 < zyp> after being away for two weeks I had seven packages waiting for me when I arrived home yesterday
2014-08-25T00:48:16 < zyp> one of them is apparently my openviszla board
2014-08-25T00:48:27 < Steffanx> whoa, after 17 years.
2014-08-25T00:49:07 < zyp> yeah, it really exists
2014-08-25T00:56:42 < Steffanx> You know x-mas is a few months from now zyp.. you should keep the packages closed.
2014-08-25T00:58:34 < zyp> I just opened t
2014-08-25T00:58:49 < zyp> and then I wrapped it back up, too tired to dick around with it now
2014-08-25T00:59:11 < zyp> one of the other packages contained my stm32l0-disco
2014-08-25T00:59:14 < zyp> that looks more fun
2014-08-25T00:59:22 < zyp> but that's also for another day
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2014-08-25T01:06:01 < Fleck> so, I have code with 16bit struct members, but my chips stdperiph has that register in 32bits, how do you adapt things in this situation usually?
2014-08-25T01:08:09 < zyp> can you clarify your question, please?
2014-08-25T01:08:53 < Fleck> well, struct with BSRR member that is 32bits, and code is for struct with BSRRL and BSRRH
2014-08-25T01:09:00 < zyp> pretty much all peripheral registers in stm32 are mapped on 32-bit boundaries, so describing them all as 32-bit even though the amount of data they can hold is smaller takes care of alignment
2014-08-25T01:09:28 < zyp> you'd map BSRR as a single register, mapping BSRRL and BSRRH separately is pointless and dumb
2014-08-25T01:10:04 < zyp> I mean, BSRR _is_ a single 32-bit register
2014-08-25T01:10:18 < Fleck> I have single, but code example is with BSRRL and BSRRH :D
2014-08-25T01:10:30 < zyp> the entire point of it is to be able to write the set and the reset parts simultaneously
2014-08-25T01:10:41 < zyp> then the example is dumb and you should stop reading it
2014-08-25T01:10:46 < Fleck> :p
2014-08-25T01:12:17 < Tectu> how was dongsland, zyp ?
2014-08-25T01:12:37 < zyp> oh, it was great
2014-08-25T01:12:47 < zyp> but I went home from that a month ago
2014-08-25T01:12:51  * Tectu sits down and gathers some popcorn
2014-08-25T01:12:52 < Tectu> go on.
2014-08-25T01:12:54 < Tectu> oh
2014-08-25T01:13:06 < Tectu> sorry, I wasn't home much the past month, didn't get that update
2014-08-25T01:13:09 < qyx_> land mismatch detected
2014-08-25T01:13:20 < Fleck> ;p
2014-08-25T01:13:21 < Tectu> where were you this time, zyp ?
2014-08-25T01:13:40 < zyp> a bit here and there
2014-08-25T01:13:47 < zyp> mostly just around in norway
2014-08-25T01:14:01 < zyp> and a brief visit to sweden
2014-08-25T01:14:11 < Tectu> didn't go to .fi?
2014-08-25T01:14:22 < zyp> nah
2014-08-25T01:15:00 < Tectu> okay
2014-08-25T01:16:07 < Steffanx> took a extra long holiday or .. is it normal to have such long holidays in norway?
2014-08-25T01:16:26 < Tectu> big macs are expensive, holidays are long
2014-08-25T01:17:43 < Steffanx> i care more about long holidays than big macs..
2014-08-25T01:19:35 < Tectu> Steffanx, aren't you the person that has holidays for like two years now? :D
2014-08-25T01:19:44 < Steffanx> no.
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2014-08-25T01:20:43 < kakeman> what are holidays in u.s. like?
2014-08-25T01:20:53 < kakeman> 2 weeks?
2014-08-25T01:21:29 < Laurenceb__> get back to work
2014-08-25T01:21:36 < Steffanx> dont know.. but in this little country its ~25days/year
2014-08-25T01:21:39 < zyp> Steffanx, currently unemployed and just dicking around with random stuff
2014-08-25T01:21:44 < Steffanx> ah
2014-08-25T01:22:06 < kakeman> the best
2014-08-25T01:22:09 < Steffanx> you dont look like the person to be unemployed :)
2014-08-25T01:25:39 < kakeman> zyp: doing your own stuff?
2014-08-25T01:26:54 < zyp> not for a living
2014-08-25T01:28:20 < zyp> Steffanx, maybe not, but I haven't even found anything interesting in the area to apply for yet
2014-08-25T01:28:34 < zyp> and I don't want to consider moving yet
2014-08-25T01:32:15 < zyp> a bit tempted to go self-employed and make/sell stuff for a living, maybe to a kickstarter or whatever
2014-08-25T01:32:43 < zyp> but that sounds like a lot of hassle, easier just to go to work every day and then get paid
2014-08-25T01:32:55 < qyx_> meh, did that for 2 years, not enough projects, incompatible people etc.
2014-08-25T01:33:51 < Steffanx> incompatible people heh :)
2014-08-25T01:34:48 < qyx_> it's ok if you are able to make a set of good selling products
2014-08-25T01:34:54 < zyp> the problem with kickstarter is that when you run the numbers, there's not really that much money in most of them
2014-08-25T01:34:59 < qyx_> then you have enough time to spend with weird customers
2014-08-25T01:35:13 < zyp> except the crazy successful ones
2014-08-25T01:35:29 < Steffanx> doesnt that happen with colleagues too qyx_.. the "incompatibility'" ?
2014-08-25T01:36:05 < qyx_> yes, but the salary is not dependent on the "compatibility".. mostly
2014-08-25T01:38:27 < qyx_> and not like requesting features when the boards are already in the fab
2014-08-25T01:42:45 < zyp> yeah, working directly with customers is always a pain
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2014-08-25T01:47:08 < qyx_> then there are many customers who don't pay for their stuff and even don't want it anymore
2014-08-25T01:47:25 < qyx_> and you can choose to do either paperwork or actual work
2014-08-25T01:56:11 < kakeman> i have 1cm x 3cm piece of pcb left. any useful ideas how to use that?
2014-08-25T01:56:38 < kakeman> something that comes handy
2014-08-25T01:57:28 < kakeman> :)
2014-08-25T01:58:04 < kakeman> plenty of area
2014-08-25T01:58:34 < kakeman> pcb *layout
2014-08-25T01:58:49 < kakeman> maybe just some adapters
2014-08-25T02:02:52 < zyp> uh, what?
2014-08-25T02:03:16 < zyp> what kind of layout is this?
2014-08-25T02:03:28 < zyp> is this a panel?
2014-08-25T02:03:53 < zyp> because why would you make adapters on a different design?
2014-08-25T02:04:16 < kakeman> something like you order from dirtypcb:s
2014-08-25T02:04:30 < kakeman> protoboard
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2014-08-25T02:05:48 < kakeman> i just seperate pieces with grinder
2014-08-25T02:06:20 < kakeman> using itead for boards
2014-08-25T02:06:35 < kakeman> they allow multiple designs per board
2014-08-25T02:07:37 < zyp> you must be pretty frugal to go to that length
2014-08-25T02:07:59 < kakeman> :)
2014-08-25T02:08:09 < zyp> last time I did boards at seeed, I used like 9 of the 25 sqcm I paid for
2014-08-25T02:09:03 < kakeman> and when chinese people hav all adaptor boards for sale 10pcs for a dollar
2014-08-25T02:09:39 < kakeman> I use ton of time fitting my designs as small are as possible
2014-08-25T02:09:41 < zyp> http://bin.jvnv.net/f/ts9IZ.JPG <- I made silly-shaped boards
2014-08-25T02:09:49 < kakeman> and what is good thing
2014-08-25T02:09:57 < kakeman> im getting better at it
2014-08-25T02:10:08 < zyp> heh
2014-08-25T02:10:38 < kakeman> it's like those brain games
2014-08-25T02:10:48 < kakeman> tetris or something
2014-08-25T02:11:09 < zyp> http://bin.jvnv.net/f/cN8Zp.jpg <- this is probably the most compact design I've done
2014-08-25T02:12:15 < zyp> but that's because it had to be compact
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2014-08-25T02:13:41 < zyp> in a real project, pcb area is usually not the dominating cost, so going to lengths to save on pcb area is not so useful
2014-08-25T02:13:45 < kakeman> http://boldport.blogspot.fi/2013/01/introducing-pcbmode.html
2014-08-25T02:14:17 < zyp> uh, wat
2014-08-25T02:14:21 < qyx_> zyp: whats that? some accel/gyro logger?
2014-08-25T02:14:23 < qyx_> with radio?
2014-08-25T02:14:23 < kakeman> yes
2014-08-25T02:14:28 < zyp> «Routing is (currently) manually drawn with Inkscape, then extracted by PCBmodE and stored in an input json file.»
2014-08-25T02:14:35 < zyp> useless
2014-08-25T02:14:41 < _Sync_> what the serious fuck
2014-08-25T02:14:54 < kakeman> haven't tried it
2014-08-25T02:14:57 < qyx_> wtf
2014-08-25T02:15:02 < zyp> so it's a svg to gerber converter, or something
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2014-08-25T03:56:02 < emeb_mac> no chatz because sunday
2014-08-25T03:56:33 < kakeman> chat forbidden
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2014-08-25T04:00:12 < emeb_mac> even dongs needs time off
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2014-08-25T04:02:46 < kakeman> https://drive.google.com/file/d/0B2GcdpJiNGfKU3JlM1V3TlA2VkU/edit?usp=sharing
2014-08-25T04:03:38 < kakeman> needs some fine tune, ton of vias and polish. what do you think?
2014-08-25T04:06:49 < kakeman> yes.
2014-08-25T04:09:43 < kakeman> those are basically huge vias
2014-08-25T04:09:54 < kakeman> then just turn whole board into a via
2014-08-25T04:10:02 < kakeman> with tons of them
2014-08-25T04:12:57 < kakeman> somebody i know says that if you can't see thru board you have bad design
2014-08-25T04:14:17 < dongs> sup pros
2014-08-25T04:14:19 < dongs> sunday waty
2014-08-25T04:14:22 < dongs> its monday morning
2014-08-25T04:16:26 < kakeman> R2COM: ground loop minimizing, ground inductance minimizing
2014-08-25T04:16:38 < kakeman> http://techdocs.altium.com/display/ADOH/Via+Stitching
2014-08-25T04:17:13 < dongs> R2COM: um thats old
2014-08-25T04:17:22 < kakeman> *impendance
2014-08-25T04:17:23 < dongs> ive bridge or whatever.
2014-08-25T04:17:25 < dongs> you want haswell.
2014-08-25T04:17:32 < dongs> its not
2014-08-25T04:18:32 < dongs> tehy havent released haswell refresh for retarded socket 2011 yet. so just get 4790K and shut up, its same thing
2014-08-25T04:18:57 < dongs> or wait till Z99 chipset comes out, i think thats either already out or early next monthn
2014-08-25T04:19:12 < dongs> or was it X99
2014-08-25T04:19:13 < dongs> gaymer shit
2014-08-25T04:19:24 < dongs> Z97/H97 and 4790K will do just fine.
2014-08-25T04:20:03 < dongs> > the socket is known as 2011-3 (for haswell-e). Only Core i7 Extreme Edition and Xeons processors can be used in this chipset
2014-08-25T04:20:08 < dongs> if you go 2011, you can only use gaymer boards
2014-08-25T04:20:51 < dongs> pffffffffffft
2014-08-25T04:21:00 < kakeman> http://en.wikipedia.org/wiki/LGA_2011-3#GENERATIONS
2014-08-25T04:22:05 < dongs> "due for release"
2014-08-25T04:22:09 < dongs> new stuff for 2011 isnt out yet
2014-08-25T04:22:23 < dongs> the point is that its more than enough
2014-08-25T04:22:50 < kakeman> just changed from c2d to i3
2014-08-25T04:22:52 < kakeman> slower one
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2014-08-25T04:28:12 < kakeman> waiting to get 4 first
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2014-08-25T04:30:03 < dongs> hell no
2014-08-25T04:30:14 < dongs> this 4790 shit i got is more than enough
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2014-08-25T04:30:45 < dongs> it was decoding 150mbit 4k dcinema at only 60% cpu, my last box chugged to barely decode 2K (xeon lv2)
2014-08-25T04:30:57 < dongs> and thats the most cpu intensive shit i got
2014-08-25T04:31:42 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 246 seconds]
2014-08-25T04:31:52 < dongs> also i dont need 130W wasting power.
2014-08-25T04:34:54 < upgrdman> isn't shit usually cheaper in nov/dec? (xmas sales)
2014-08-25T04:35:13 < upgrdman> might as well wait a few more months
2014-08-25T04:35:28 < kakeman> what do you do with old stuff?
2014-08-25T04:35:56 < upgrdman> yes
2014-08-25T04:36:03 < upgrdman> kakeman: sacrifice them to the silicon gods.
2014-08-25T04:36:17 < upgrdman> or maybe just harvest some goodies and toss the rest.
2014-08-25T04:36:35 < upgrdman> i have a nice collection of toroids from p4 mobo
2014-08-25T04:37:17 < kakeman> I think muricans buy always new stuff
2014-08-25T04:37:54 < upgrdman> kakeman: if you have the money, why not?
2014-08-25T04:38:58 < dongs> i still havent figure out what im gonna do with my old board
2014-08-25T04:39:07 < dongs> its miniitx + lv2 xeon
2014-08-25T04:39:14 < dongs> ivy bridge stuf i think
2014-08-25T04:39:17 < dongs> so not too ancient
2014-08-25T04:39:30 < dongs> thats like too much work
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2014-08-25T04:44:10 < dongs> they probably wouldnt sell chipset if you couldnt get ram for it..
2014-08-25T04:44:14 < dongs> but shit would be way too expnsive anyway
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2014-08-25T04:53:09 < dongs> all my shit is wired gigE so no idea
2014-08-25T04:53:26 < kakeman> wireless always suck if you have wired available
2014-08-25T04:53:33 < GargantuaSauce> yup
2014-08-25T04:53:49 < GargantuaSauce> no
2014-08-25T04:53:58 < GargantuaSauce> 100m is the limit i believe
2014-08-25T04:54:12 < englishman> with current trends ddr4 will be $1000/MB and in two years $3000/mb
2014-08-25T04:54:16 < kakeman> by standard you need repeater every 100meters
2014-08-25T04:55:04 < englishman> ...wat
2014-08-25T04:55:07 < kakeman> 30
2014-08-25T04:55:10 < kakeman> or so
2014-08-25T04:55:18 < GargantuaSauce> yeah no that's fine
2014-08-25T04:55:49 < GargantuaSauce> afaik the 100m limit isnt even a signal integrity thing, it's when the cable reaches the length of a frame propagating across
2014-08-25T04:57:21 < kakeman> I'm planning to draw gigabit fiber from house to "lab"
2014-08-25T04:58:06 < kakeman> have you guys done any fiber stuff yourself?
2014-08-25T04:58:26 < kakeman> terminating cables
2014-08-25T04:58:38 < kakeman> with prefered connectors
2014-08-25T04:59:58 < kakeman> man.. it's 5am
2014-08-25T05:00:52 < kakeman> no
2014-08-25T05:01:48 < kakeman> too tired
2014-08-25T05:02:11 < kakeman> haven't really tried any other time
2014-08-25T05:03:14 < kakeman> somebody who has could say it's good anytime
2014-08-25T05:05:59 < kakeman> one fker always says it's a pizza. always good. even when it's bad.
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2014-08-25T05:07:02 < kakeman> night guys o/
2014-08-25T05:07:03 < kakeman> ->
2014-08-25T05:20:40 < GargantuaSauce> https://www.youtube.com/watch?v=spdb0K8gsQM
2014-08-25T05:24:53 < dongs> is it only funny if its french
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2014-08-25T07:22:46 < dongs> fuck.
2014-08-25T07:30:20 < dongs> ST sold displayport shit I'm using to fucking megachips
2014-08-25T07:30:25 < dongs> which is a retarded iptroll japco
2014-08-25T07:30:37 < dongs> so that product is as good as buried
2014-08-25T07:30:42 < dongs> fffffffffffffffffffffffff
2014-08-25T07:31:28 < dongs> they never had it. it was something ST bought off someone else few yearsa go
2014-08-25T07:31:38 < dongs> and I guess they didnt wanna deal with support so they just buried it even further
2014-08-25T07:34:03 < dongs> i got nda docs that mention the sale
2014-08-25T07:34:08 < dongs> but i cant find ANY press release about it
2014-08-25T07:34:09 < dongs> wtffff
2014-08-25T07:36:33 < dongs> ST hates customers
2014-08-25T07:36:35 < dongs> so i doubt it
2014-08-25T07:38:07 < dongs> define "use" and "a lot"
2014-08-25T07:38:09 < dongs> no , not from ST
2014-08-25T07:38:19 < dongs> their gyros kinda sucked few years ago and I havent bothered since then
2014-08-25T07:40:26 < dongs> using invensense shit.
2014-08-25T07:42:52 < dongs> no because theres no docs for it
2014-08-25T07:43:45 < dongs> that loads a blob
2014-08-25T07:50:37 < PaulFertser> dongs: btw, how's that mad science >9000 magnetometers project of yours progressing? Is it done yet?
2014-08-25T07:51:33 < dongs> PaulFertser: done, i keep forgetting to upload pics of the stuff. later, a bit busy
2014-08-25T07:52:16 < PaulFertser> Kewl. So what is it for anyway, finding AC wires buried in the walls or what? ;)
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2014-08-25T09:23:39 < baird> Weird. I've got a MSP430G2432 MCLK'd to 1.5KHz, but when it's placed on marginal power, it ignores the DCOCTL register and runs at 1MHz.
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2014-08-25T10:19:30 < ds2> 9
2014-08-25T10:26:46 < jpa-> http://goo.gl/tK97ly  such fail
2014-08-25T10:27:25 < jpa-> that #define PB_FIELD_16BIT line .. how can i possibly make it clearer that when one gets the static assert, he needs to declare that in pb.h or on compiler command line.. not there to disable the error only :F
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2014-08-25T12:17:43 < Avi> hi
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2014-08-25T12:31:00 < karlp> baird: fuck your msp430, just let ti finish making their m0+ with fram and give up on the whole msp430 idea
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2014-08-25T12:34:45 < Avi> i have an STM32F429 discovery board (not the F407) http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF259090 and i would like to make a usb joystick. they have no usb device samples for this board, i know there is an example usb mouse for the F407, but that is based around the usb FS controller, the F429 connects the usb socket to the HS usb controller (as the lcd is on the other pins), any resources, guides, exampl
2014-08-25T12:34:45 < Avi> es, or anything helpful? (fyi im a beginner with the st lib)
2014-08-25T12:35:33 < karlp> what sort of differences were you expecting to need to handle?
2014-08-25T12:35:50 < Avi> well, it means i cant reuse any of that mouse example
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2014-08-25T12:39:52 < karlp> perhaps you should rethink that belief....
2014-08-25T12:40:57 < Avi> perhaps it is possible, for ones who have a deep understanding of the table of how st lib works
2014-08-25T12:41:07 < Avi> *of the tangle
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2014-08-25T12:44:34 < Avi> i have tried stm32cube, but its very not satright forward how to acutlaly do anyhting once its initialised the hardware
2014-08-25T12:45:28 < Avi> got to det the usb id and parameters somehow, and another somehow to send data though it
2014-08-25T12:45:37 < Avi> set*
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2014-08-25T14:15:13 < dongs> ugh, 7x7mm 64pin qfp
2014-08-25T14:15:16 < dongs> hello 0.4mm pitch
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2014-08-25T14:16:13 < Avi> how u gonna solder that
2014-08-25T14:18:10 < dongs> same way as anything else i guess.
2014-08-25T14:18:40 < Avi> *gets out soldering iron, shors all to all*
2014-08-25T14:20:11 < jpa-> i wonder if 0.4mm is really that much more difficult than 0.5mm which is pretty easy
2014-08-25T14:21:36 < dongs> it isnt. i think i might have actually used it somewehre and im just too stoned to remember
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2014-08-25T14:24:51 < dongs> oh yeah, i got a pattern for it in my component lib
2014-08-25T14:24:53 < dongs> so i must have used it.
2014-08-25T14:25:01 < dongs> stoned: confirmed
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2014-08-25T14:32:40 < zyp> huh, there's an l152 in addition to the l053 on the l0-disco
2014-08-25T14:32:52 < zyp> (in addition to the f103 for the st-link)
2014-08-25T14:33:19 < jpa-> what for?
2014-08-25T14:33:25 < jpa-> for luls?
2014-08-25T14:33:28 < zyp> no idea, just noticed it
2014-08-25T14:33:30 < karlp> we've been over this :) it's the epaper contorller
2014-08-25T14:33:35 < karlp> dongs noticed the same thing
2014-08-25T14:33:45 < jpa-> humm, i thought the display uses spi or something?
2014-08-25T14:33:56 < jpa-> or are they driving it with raw waves on stm32l152?
2014-08-25T14:35:09 < dongs> nah, someone else pointed out L152 is only used to measure current
2014-08-25T14:35:18 < dongs> 053 drives epaper by SPI
2014-08-25T14:35:30 < zyp> yeah
2014-08-25T14:35:35 < zyp> that's what I suspected
2014-08-25T14:35:42 < zyp> schematic seems to agree
2014-08-25T14:36:09 < zyp> «IDD measurement / MFX (Multi Function eXpander)»
2014-08-25T14:36:23 < Laurenceb__> lolz
2014-08-25T14:36:26 < Laurenceb__> dual core
2014-08-25T14:37:22 < jpa-> is 053 too fail to measure current? :D
2014-08-25T14:37:28 < jpa-> also, do they do multidrop SWD there?
2014-08-25T14:37:48 < zyp> no, it's hooked to it's own swd header (unpopulated)
2014-08-25T14:38:05 < zyp> so I guess you populate it and jumper it to the st-link header if you want to reprogram it
2014-08-25T14:38:16 < karlp> iirc, l053 supports multidrop swd, but l15x doesn't?
2014-08-25T14:38:21 < Laurenceb__> the previous stm32l discovery had a groovy analogue sampler
2014-08-25T14:38:47 < zyp> but that would require the firmware to handle current measurement itself
2014-08-25T14:38:55 < zyp> better to have it out of band
2014-08-25T14:39:41 < jpa-> could have used a single-function current measurement chip
2014-08-25T14:42:47 < zyp> ah, they also hooked up both chips' uarts to the VCP on the stlink
2014-08-25T14:42:52 < zyp> selectable by solder jumpers
2014-08-25T14:43:39 < zyp> so you can make a standalone current monitoring firmware that communicates via the stlink
2014-08-25T14:44:23 < jpa-> stlink has vcp now?
2014-08-25T14:45:45 < _Sync_> dongs: I can talk to the chips now btw
2014-08-25T14:45:52 < _Sync_> apparently I fried the first two
2014-08-25T14:46:21 < zyp> jpa-, it has had that for a while
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2014-08-25T15:13:40 < karlp> only on the nucleo boards though right?
2014-08-25T15:23:02 < dongs> cool
2014-08-25T15:37:33 < qyx_> someone was interested in the smallest cortex
2014-08-25T15:37:36 < qyx_> last time
2014-08-25T15:37:46 < dongs> what did you find
2014-08-25T15:37:50 < dongs> smaller than 3x3mm ST thing?
2014-08-25T15:38:02 < qyx_> wlcsp16 2.17x2.32mm
2014-08-25T15:38:07 < dongs> cool
2014-08-25T15:38:09 < dongs> who?
2014-08-25T15:38:09 < qyx_> lpc1102/1104
2014-08-25T15:38:31 < zyp> karlp, no, all newer discovery boards has it
2014-08-25T15:38:34 < qyx_> 32-bit ARM Cortex-M0 microcontroller; 32 kB flash and 8 kB
2014-08-25T15:38:41 < dongs> still M0
2014-08-25T15:39:33 < qyx_> not that bad, 0.5mm pitch, doable
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2014-08-25T15:50:09 < jadew> you know what else I think it's dumb? the GPIOx_BSRR register
2014-08-25T15:50:29 < dongs> no u
2014-08-25T15:50:30 < jadew> why would they make it such that the low part SETS the bit HIGH
2014-08-25T15:50:37 < jadew> and the high part sets it to low
2014-08-25T15:51:01 < jadew> it's that sort of thing that if you don't use for a while, you have to double check the datasheet, because you sort of remember that it's screwed up in some way
2014-08-25T15:51:16 < jadew> it would have been much easier if BSRRH set the bit to 1
2014-08-25T15:51:21 < jadew> and BSRRL set it to 0
2014-08-25T15:51:35 < jadew> there was no thought put into that
2014-08-25T15:51:51 < jadew> at least they could make a new set of definitions and name it differently
2014-08-25T15:51:59 < jadew> SODR and CODR or something
2014-08-25T15:52:01 < zyp> wat
2014-08-25T15:52:09 < zyp> don't be dumb
2014-08-25T15:53:31 < jadew> zyp, I'm not, it's just counterintuitive and could have been fixed both before producing this chip and later when the header files were written
2014-08-25T15:54:03 < zyp> you are complaining about irrelevant bullshit that doesn't matter in practice
2014-08-25T15:54:21 < jadew> zyp, it matters in that I have that odd feeling when I plan to use it
2014-08-25T15:54:30 < jadew> which makes me re-check the datasheet, just to make sure
2014-08-25T15:54:50 < jadew> it's what happens when you don't follow conventions in something that provides an API of some sort
2014-08-25T15:55:18 < zyp> what conventions?
2014-08-25T15:55:35 < jadew> HIGH is 1, LOW is 0
2014-08-25T15:55:42 < jadew> not the other way around
2014-08-25T15:55:49 < zyp> the register is named BSRR, that's set and reset, and the set-bits comes before the reset-bits
2014-08-25T15:55:54 < zyp> how's that for a convention?
2014-08-25T15:56:13 < jadew> depends on your msb
2014-08-25T15:57:22 < zyp> and there's plenty of times where high=1 and low=0 is not true
2014-08-25T15:58:18 < zyp> RS232 encodes low as >3V and high as <-3V, for instance
2014-08-25T15:58:37 < zyp> and then you have all sorts of inverted logic pins
2014-08-25T15:59:06 < zyp> and either way, high or low signal level has nothing to do with high and low parts of a register
2014-08-25T15:59:42 < zyp> and if that's the largest issue you have with stm32, your judgement is a joke
2014-08-25T16:10:40 < dongs> jadw has various problems with stm32
2014-08-25T16:10:47 < dongs> his biggest one is trolling tho
2014-08-25T16:10:56 < dongs> but, he does seem to know what hes doing wrt writing windows apps
2014-08-25T16:13:09 < jadew> zyp, not an issue, it's just an annoyance
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2014-08-25T16:16:28 < Steffanx> lol jadew
2014-08-25T16:19:18 < jadew> it actually hurts my brain when I have to write GIPOx->BRRH = (1 << whatever); // Set it low
2014-08-25T16:20:27 < Steffanx> try to make it hurt less by using BSRRH :P
2014-08-25T16:20:42 < jadew> heh, yeah BSRRH, sorry :P
2014-08-25T16:26:25 < jadew> you didn't notice the GIPO part :D
2014-08-25T16:26:37 < Steffanx> lol no :P
2014-08-25T16:27:29 < zyp> why do you even have BSRRH mapped?
2014-08-25T16:27:44 < jadew> don't know... it just is
2014-08-25T16:27:55 < zyp> and why doesn't you have an API around setting bits high or low?
2014-08-25T16:28:17 < jadew> why would I want that?
2014-08-25T16:29:02 < zyp> because PD3.off(); is shorter than GPIOD->BSRR = (1 << (16 + 3)); // Set PD3 low.
2014-08-25T16:29:33 < jadew> well, I'd use BSRRH so no 16 +, but it just makes more sense to me
2014-08-25T16:29:49 < jadew> I can easily go there and say | (1 << 4)
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2014-08-25T16:30:59 < zyp> GPIOD.array(3, 4).set(0);
2014-08-25T16:31:47 < jadew> does that object even get optimized out?
2014-08-25T16:32:23 < zyp> why wouldn't it? it's all constants
2014-08-25T16:32:53 < jadew> except the 3, 4 part, which has to generate a bit map
2014-08-25T16:33:09 < effractur> win 46
2014-08-25T16:33:10 < jadew> I take it that's 3 to 4
2014-08-25T16:33:18 < zyp> jadew, those are also constants
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2014-08-25T16:33:51 < jadew> how do you get from "3 to 4" to 11000 as a constant?
2014-08-25T16:34:11 < zyp> http://cgit.jvnv.net/laks/tree/gpio/gpio.h#n159
2014-08-25T16:35:39 < zyp> PinArray(…, 3, 4).mask1() will return 0b11000
2014-08-25T16:35:55 < jadew> nice
2014-08-25T16:36:06 < zyp> and being a constexpr, the result is constant as long as the inputs are constant
2014-08-25T16:36:07 < jadew> I noticed, very neat trick
2014-08-25T16:36:09 < zyp> and literals are constant
2014-08-25T16:36:19 < jadew> yeah, pretty cool
2014-08-25T16:37:18 < jadew> I still wouldn't give up to my (1 << 3) kind of thing. Personal taste I guess
2014-08-25T16:38:43 < jadew> so how do you go about (1 << 3) | (1 << 5)? :)
2014-08-25T16:38:51 < zyp> I prefer being able to declare IOs like this: http://cgit.jvnv.net/arcin/tree/main.cpp#n178
2014-08-25T16:39:15 < qyx_> lets return to calling bios sw interrupts instead of printf() to print some text
2014-08-25T16:39:29 < jadew> int 20 is it?
2014-08-25T16:39:34 < jadew> or 21?
2014-08-25T16:39:42 < qyx_> you missed the point
2014-08-25T16:39:49 < jadew> I got the point
2014-08-25T16:39:55 < jadew> but it's not the same thing
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2014-08-25T16:40:53 < Steffanx> your on/off thing is still funny zyp. To turn a led on by sinking it.. you write led.off() :P
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2014-08-25T16:44:21 < Steffanx> i think jadew would love that.
2014-08-25T16:45:24 < jadew> I wouldn't mind that
2014-08-25T16:52:08 < zyp> I'm usually sourcing leds
2014-08-25T16:52:25 < zyp> since stm32 doesn't sink more than it sources anyway
2014-08-25T16:53:14 < zyp> hooking the other end of the board to the ground plane is also easier than running a power trace if you're on a board without a power plane
2014-08-25T16:53:21 < zyp> the other end of the led, I mean
2014-08-25T17:00:28 < rewolff1> #define mask(a,b) ((1<<b) - (1 << a) -1)
2014-08-25T17:00:28 < rewolff1> or something like that. Has everybody forgotten how to do binary math?
2014-08-25T17:01:24 < Steffanx> ##stm32 exists to complain.. ;)
2014-08-25T17:02:29 < Steffanx> Why rewolff1 never posts his stm32 projects in "show your projects"? :)
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2014-08-25T17:03:34 < rewolff1> Not much stm32 going on here nowadays. Too much other stuff! sorry.
2014-08-25T17:03:59 < zyp> same here
2014-08-25T17:04:15 < rewolff1> Managed to get SD code compiled yesterday and then found out my SD card breakout board had gone missing.
2014-08-25T17:04:16 < zyp> although I should get started on doing usb host some day
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2014-08-25T17:10:50 < jpa-> Steffanx: but i've been waiting for steffie stm32 projects since ever
2014-08-25T17:11:26 < Steffanx> nothing worth showing here mr jpa-
2014-08-25T17:12:16 < Steffanx> *to show here
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2014-08-25T17:18:42 < Steffanx> and to lazy to take photos
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2014-08-25T17:47:51 < aadamson> Anyway low power guys here... I'm wondering if I need to do anything to BOR on an STM32l151 running on 2.0v VCC - never had a problem, but just to go reading the datasheet, and perhaps I need to change the BOR value?
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2014-08-25T17:50:59 < jpa-> akaWolf1: STM32L151...D or without D?
2014-08-25T17:56:05 < jpa-> err
2014-08-25T17:56:08 < jpa-> aadamson: ^
2014-08-25T17:57:49 < aadamson> cb
2014-08-25T17:58:03 < aadamson> stm32l151cb
2014-08-25T17:58:30 < aadamson> ..t6 to be specific
2014-08-25T17:59:53 < jpa-> hmm, if i'm reading the datasheet correctly, it should have brown-out reset activated by default at 2.8 V and your device shouldn't work ;)
2014-08-25T18:00:48 < aadamson> yeah tell me about it
2014-08-25T18:01:00 < aadamson> level4 default right?
2014-08-25T18:01:04 < aadamson> what I've read too
2014-08-25T18:01:12 < aadamson> guess it's time to gen some code and see what it's set too
2014-08-25T18:01:13 < AndreeeCZ> hia, im trying to get cmsis to work - does this code look good? http://pastie.org/9501475
2014-08-25T18:01:29 < AndreeeCZ> the whole device hangs up when i insert this
2014-08-25T18:02:08 < aadamson> jpa-, what I don't know is should it be set to level0?
2014-08-25T18:02:31 < aadamson> or is level0 off... sheesh their information sucks around this area
2014-08-25T18:03:21 < aadamson> ah...
2014-08-25T18:03:48 < aadamson> I really hate when they count from 1 in the std periph examples and yet the rm counts from 0 for the same thing :(
2014-08-25T18:04:15 < aadamson> I think I'll try setting it to Vbor0 e.g. level1 in the examples...
2014-08-25T18:04:46 < aadamson> I'm just having a really strange issue when I toggle a fet and I'm wondering if I'm just browning out the processor as it reset
2014-08-25T18:05:01 < dongs> heh
2014-08-25T18:05:07 < aadamson> doesn't do it all the time, but I can make it happen with longer power leads
2014-08-25T18:05:13 < dongs> aadamson: did you see Simon--_ found injected ADC shit was totally fucked in stdperphlib
2014-08-25T18:05:17 < dongs> tehy were off by one :)
2014-08-25T18:05:28 < dongs> for F3
2014-08-25T18:05:40 < dongs> so im not too surprised
2014-08-25T18:05:40 < aadamson> hehe... totally not surprising...
2014-08-25T18:05:56 < aadamson> it was mucked up on the L1 too, but no injected, just normal
2014-08-25T18:06:02 < dongs> laff
2014-08-25T18:06:19 < aadamson> I think it was a count from 0 count from 1 thing there too if I remember
2014-08-25T18:06:31 < aadamson> been a while since  I messed with that once I got it all working
2014-08-25T18:07:19 < jpa-> why do people keep using stdperiph :F
2014-08-25T18:07:33 < Steffanx> you want everyone to use chibios hal?
2014-08-25T18:07:55 < jpa-> raw registers or cooooos or anything is fine for me
2014-08-25T18:08:15 < jpa-> but stdperiph hardly abstracts anything, it just makes you want to die
2014-08-25T18:08:29 < Steffanx> the new cube thing is amazing though
2014-08-25T18:11:10 < Steffanx> Coooos.. whats that? CoOS?
2014-08-25T18:11:28 < jpa-> yeah and cooocoox etc
2014-08-25T18:11:46 < jpa-> never used but dongs seal of quality
2014-08-25T18:14:16 < jadew> jpa-, I agree about stdperiph lib, it's hardly an "example" implementation either, because most stuff are super hard to follow
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2014-08-25T18:14:33 < jadew> it's more like obfuscation than abstraction
2014-08-25T18:22:26 < dongs> if I had time, i would fork timecube and make hailtotheperiphlib that just removes all the HAL_ prefixes from timecube and fixes dumb stuff
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2014-08-25T18:22:48 < dongs> but then i'd have to maintain that shit, fuck that
2014-08-25T18:24:02 < jadew> if I were in charge of that project, I'd make it in such a way that different files get generated for different chips, same code base, but with some sort of automatic source splitting mechanism
2014-08-25T18:24:40 < dongs> stdperiph is already more or less portable. it didn't fucking need any additional HAL trash
2014-08-25T18:24:52 < dongs> for shit like timers, uart, etc,, its mostly code compatible
2014-08-25T18:24:58 < dongs> just change a couple quirks here and tehre
2014-08-25T18:25:08 < dongs> its not like anyone wants to target like 20 STM32 families in a single project
2014-08-25T18:25:19 < dongs> so im not sure why hte fuck there needs to be a library that does this
2014-08-25T18:25:40 < jadew> exactly and even if the entire library did, it could be splitted
2014-08-25T18:25:45 < Steffanx> ST is just trolling you. First the cube stuff, then the dp chip stuff, whats next ... :)
2014-08-25T18:25:57 < dongs> yeah, im pissed off
2014-08-25T18:26:02 < jadew> what's the dp chip stuff?
2014-08-25T18:26:13 < dongs> at least i got NDA email from a competitor that doesmt seem to mind selling me a ~similar r eplacement
2014-08-25T18:26:18 < dongs> so fuck ST
2014-08-25T18:26:30 < Steffanx> Some displayport thing he worked/is working on
2014-08-25T18:27:39 < _Sync_> why the fuck are people NDAing shit like DP
2014-08-25T18:27:41 < _Sync_> stupid
2014-08-25T18:29:12 < jadew> mainly to control who gets to compete with their own products
2014-08-25T18:29:59 < jadew> there's no other reason why a chip manufacturer wouldn't pulibicise the chip's documentation, either that or to squeeze more money / make contact from/with various companies
2014-08-25T18:32:23 < dongs> just to be cocks
2014-08-25T18:32:45 < Steffanx> At least you know how to deal with em
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2014-08-25T18:33:23 < jadew> there's obviously a financial reason for it, otherwise they wouldn't do it
2014-08-25T18:33:48 < jadew> it goes against common sense tho, because you'd normally expect for the chip to have more sales if the documentation was open
2014-08-25T18:34:02 < dongs> hello STM32W
2014-08-25T18:34:11 < Steffanx> stm32w is dead.
2014-08-25T18:34:17 < emeb> the golden age of wireless?
2014-08-25T18:34:17 < dongs> my point exactly
2014-08-25T18:34:30 < dongs> they never did publish RM for it
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2014-08-25T18:34:33 < dongs> so nobody bothered using it anywhere
2014-08-25T18:35:00 < Steffanx> people do bother using this nordic thing.. isn't that closed too?
2014-08-25T18:35:16 < Steffanx> nrf8[something]
2014-08-25T18:35:31 < _Sync_> yeah it is
2014-08-25T18:35:32 < dongs> i have devtkit, thats how far i got with it
2014-08-25T18:35:53 < jadew> the protocol to talk to the nrf is closed?
2014-08-25T18:36:12 < dongs> nah
2014-08-25T18:36:17 < dongs> i think just thier BT stack is closed
2014-08-25T18:36:24 < dongs> i mean if you can write your own shit, shrug
2014-08-25T18:37:46 < _Sync_> yeah their protocol over the air is propietary
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2014-08-25T18:38:51 < jpa-> for stm32w you couldn't do anything really without NDAs and shit
2014-08-25T18:39:45 < jadew> is there a chance there are also laws that prevent manufacturers from opening the docs?
2014-08-25T18:39:52 < jadew> like if the chip can do some cryptography
2014-08-25T18:40:36 < _Sync_> I suppose the chip would only be subject to itar
2014-08-25T18:40:52 < jadew> couple that with wifi and you may get some governments dictating you who and how you can sell it
2014-08-25T18:40:59 < jadew> what's that?
2014-08-25T18:41:18 < _Sync_> international traffic in arms regulations
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2014-08-25T18:41:27 < dongs> https://www.youtube.com/watch?v=iqb0DREW-1I
2014-08-25T18:41:29 < _Sync_> which is bullshit on another level
2014-08-25T18:42:37 < jadew> dongs, it has 6 views, is that you?
2014-08-25T18:42:43 < dongs> yessir
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2014-08-25T18:43:48 < jadew> youtube seems to think it's "related" to videos with a lot of clevage in them :D
2014-08-25T18:44:06 < dongs> probably youtube whores
2014-08-25T18:44:29 < jadew> it's probably because google knows my search history
2014-08-25T18:44:51 < dongs> yeah, all my related videos are just cocks
2014-08-25T18:44:58 < jadew> I always end up with naked chicks in my results when I search for parts of footprints
2014-08-25T18:45:08 < jadew> *or
2014-08-25T18:46:08 < jadew> lqfn48? here's a chick doing two guys
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2014-08-25T18:46:24 < jadew> wife came home
2014-08-25T18:46:25 < jadew> /clear
2014-08-25T18:47:13 < jadew> false alarm
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2014-08-25T19:58:51 < AndreeeCZ> is getting a variable from an array faster than getting it from a usual var?
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2014-08-25T20:10:47 < synic> I'd imagine no, but really, I have no real knowledge to back that up
2014-08-25T20:11:03 < synic> seems like array access will involve more address lookups
2014-08-25T20:11:39 < synic> welll... more intructions anyway.  pointer+(index+sizeof(type)) or something
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2014-08-25T21:18:46 < jadew> AndreeeCZ, depends on the variable
2014-08-25T21:19:06 < AndreeeCZ> jadew, how?
2014-08-25T21:19:17 < jadew> if your variable is actually a constant, it might end up in flash
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2014-08-25T21:19:32 < jadew> so the access time will higher
2014-08-25T21:20:02 < AndreeeCZ> no, not constant
2014-08-25T21:20:04 < jadew> it also depends on how you reference that thing from the array and how it's allocated
2014-08-25T21:20:05 < AndreeeCZ> just float
2014-08-25T21:20:19 < AndreeeCZ> not dynamic allocation
2014-08-25T21:20:25 < jadew> if the array is global for example, it has a known position (at compile time)
2014-08-25T21:20:47 < jadew> so arr[100] will have a known position
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2014-08-25T21:21:30 < AndreeeCZ> = faster?
2014-08-25T21:21:42 < jadew> yes, if your variable doesn't have the same properties sure
2014-08-25T21:21:52 < jadew> like if your variable is declared within a function
2014-08-25T21:22:31 < jadew> then its address will vary so there'll be some pointer math going on in there
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2014-08-25T21:23:08 < AndreeeCZ> right, i see
2014-08-25T21:23:10 < AndreeeCZ> thank you
2014-08-25T21:23:13 < jadew> np
2014-08-25T21:24:55 < zyp> I believe ldr/str instructions have variants that takes registers for both base and offset
2014-08-25T21:25:23 < jadew> zyp, you are right
2014-08-25T21:26:05 < zyp> so the time of the load itself is pretty much equivalent between a variable and an array
2014-08-25T21:26:07 < jadew> I don't know if the timing is different tho
2014-08-25T21:26:18 < zyp> I think not
2014-08-25T21:26:41 < zyp> most of the difference would be in loading the base and offset into the registers
2014-08-25T21:26:49 < jadew> yeah
2014-08-25T21:26:57 < jadew> I don't think the offset needs to be loaded
2014-08-25T21:27:07 < jadew> it will always be constant
2014-08-25T21:27:12 < zyp> if you're using a variable offset, it has to
2014-08-25T21:27:29 < zyp> otherwise you'd use the immediate offset opcode, not the register offset one
2014-08-25T21:28:20 < jadew> the offset inside a function will always be the same, only the base address with vary, depending on where the space for the function was allocated on the stack
2014-08-25T21:28:31 < jadew> *will vary
2014-08-25T21:28:39 < zyp> what?
2014-08-25T21:29:23 < jadew> when you call a function it gets some space on the stack
2014-08-25T21:29:30 < jadew> that's where the local variables live
2014-08-25T21:29:54 < zyp> oh, you're assuming a stack variable
2014-08-25T21:29:59 < jadew> their offset will always be the same in relation to the original stack pointer
2014-08-25T21:30:09 < zyp> sure
2014-08-25T21:30:45 < jadew> so my guess is the compiler will just use the the base pointer + immediate value
2014-08-25T21:31:07 < zyp> yes, that's how stack accesses are normally done
2014-08-25T21:31:09 < jadew> rendering my original train of thought invalid :P
2014-08-25T21:31:51 < jadew> but it's the only difference I can see between known location access (his global array and fixed offset) vs local variable
2014-08-25T21:32:51 < zyp> a constant offset into an array is equivalent to a plain variable
2014-08-25T21:33:04 < jadew> yeah
2014-08-25T21:33:11 < zyp> a variable offset into an array may or may not be slightly slower
2014-08-25T21:33:59 < jadew> yeah, but given that in his case the array access is faster, I could only assume it's fixed offset and fixed array pointer
2014-08-25T21:34:16 < zyp> why?
2014-08-25T21:34:38 < jadew> because otherwise it should be slower or at least that fast
2014-08-25T21:34:42 < zyp> he didn't say it were faster, he asked if it could be
2014-08-25T21:35:01 < zyp> and the answer is generally not.
2014-08-25T21:35:04 < jadew> oh, I missread that
2014-08-25T21:35:08 < jadew> lol
2014-08-25T21:35:29  * jadew is super tired
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2014-08-25T21:54:30 < aadamson> jpa-, duh, I so BOR was already set to the 0 level, because I had used the clock tool to create the system_stm32l1xx.c file... .duh.. no wonder it was working...
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2014-08-25T22:01:21 < Laurenceb__> aadamson: is that you with W7QO  ?
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2014-08-25T22:03:32 < aadamson> Laurenceb_,  yea that's my ham call and well, it would have been until a thunderstorm got it... time to add the esd protection me thinks...
2014-08-25T22:03:56 < aadamson> course it was over elgin AFB too so maybe an f16 decided it wanted target practice :)
2014-08-25T22:06:00 < Laurenceb__> ah
2014-08-25T22:06:02 < Laurenceb__> interesting
2014-08-25T22:06:16 < Laurenceb__> i wondered what happened to it - died suddenly
2014-08-25T22:06:22 < Laurenceb__> Leo was seeing that with a lot of his
2014-08-25T22:06:29 < aadamson> yep and was right next to a thunderstorm
2014-08-25T22:06:31 < Laurenceb__> turned out ESD is a killer up there
2014-08-25T22:07:00 < englishman> aadamson did you find that esd note on si chipz
2014-08-25T22:07:04 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has quit [Ping timeout: 250 seconds]
2014-08-25T22:07:06 < Laurenceb__> his current flights have ESD protection on all antenna
2014-08-25T22:07:07 < aadamson> yeah we had that discussion... I've got ESD diodes coming and found 2 references one for hoperf in how to fix and one from si
2014-08-25T22:07:09 < aadamson> yes englishman
2014-08-25T22:07:12 < englishman> cool
2014-08-25T22:07:26 < aadamson> Laurenceb_, yeah figured he'd done that
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2014-08-25T22:08:49 < aadamson> Laurenceb_, if I got to a wire on gps I'll add that, but for now the chip antenna is burried behind kapton anyway so I'll just worry about the main antenna
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2014-08-25T22:16:59 < Laurenceb__> yeah seems sensible
2014-08-25T22:17:15 < Laurenceb__> but you really need to get above 12km altitude for long duration
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2014-08-25T22:19:55 < aadamson> Laurenceb_, yeah I know, but I'm just a junior at this stuff... Sheesh, how long has leo been messing with it... Me only a few months. And I'm not some crack hardware/software designer either, I just have fun... :)
2014-08-25T22:20:07 < aadamson> but I have some heptax and at some point, I'll deal with thatl
2014-08-25T22:21:09 < Laurenceb__> sounds fun
2014-08-25T22:23:32 < aadamson> Laurenceb__ did you get your DR. paper done yet?
2014-08-25T22:23:38 < aadamson> Phd, that is
2014-08-25T22:23:43 < Laurenceb__> almost
2014-08-25T22:23:55 < Laurenceb__> in a week or so it will be finished :D
2014-08-25T22:23:56 < aadamson> ah, that all the latex tweaks
2014-08-25T22:24:01 < Laurenceb__> heh
2014-08-25T22:24:03 < aadamson> woo hoo celebration time
2014-08-25T22:24:06 < Laurenceb__> yeah
2014-08-25T22:24:19 < aadamson> I'll send you one of my trackers to play with :)
2014-08-25T22:28:00 < aadamson> Laurenceb_, I forget are you also a ham?
2014-08-25T22:28:12 < qyx_> send it on a balloon
2014-08-25T22:28:14 < Laurenceb__> no
2014-08-25T22:28:25 < Laurenceb__> well - i have some kit, but no license
2014-08-25T22:28:31 < aadamson> ah, wasn't sure about that... doesn't matter for you guys on ISM anyway
2014-08-25T22:28:49 < Laurenceb__> yeah
2014-08-25T22:29:07 < aadamson> use that new l053 and do a tracker on it :)
2014-08-25T22:29:10 < aadamson> looks pretty nice
2014-08-25T22:29:13 < aadamson> finally 1.8v ADC's
2014-08-25T22:30:27 < Laurenceb__> yeah, all 1.8v, Leo uses 2v iirc
2014-08-25T22:30:56 < Laurenceb__> its a little nasty, the pic is running slightly out of spec
2014-08-25T22:32:36 < aadamson> yeah, I run the 151 at 2v as well
2014-08-25T22:35:12 < Steffanx> lol is that still going on Laurenceb__.. the phd thing?
2014-08-25T22:35:31 < Laurenceb__> yes
2014-08-25T22:35:42 < Steffanx> i knew academics are wasting time but .. i didnt know it was this bad
2014-08-25T22:35:46 < Laurenceb__> heh
2014-08-25T22:35:59 < Laurenceb__> well if i was in US its take twice as long
2014-08-25T22:37:10 < Steffanx> a year?
2014-08-25T22:37:35 < Laurenceb__> lolwhat
2014-08-25T22:37:39 < Laurenceb__> more like a decade
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2014-08-25T23:55:07 < efuentes> I'm looking for a peripheral library for L0 that doesn't suck
2014-08-25T23:55:11 < efuentes> does anyone know if any>
2014-08-25T23:55:26 < englishman> stdperiphlib?
2014-08-25T23:55:44 < efuentes> wanted to see if I missed anything in my searching before really pouring over the reference manual
2014-08-25T23:56:19 -!- tonyarkles [~aja042@198.169.16.223] has joined ##stm32
2014-08-25T23:56:51 < efuentes> wanted to see if there was anything else
2014-08-25T23:56:56 < efuentes> I know it's a fairly new family
--- Day changed Tue Aug 26 2014
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2014-08-26T00:23:48 < Steffanx> efuentes: .. have fun with the new stm32cubeL0
2014-08-26T00:24:09 < efuentes> i've got a discovery board
2014-08-26T00:24:26 < efuentes> ahh
2014-08-26T00:24:36 < efuentes> nvever mind thought the cube was a hardware platform
2014-08-26T00:24:53 < kakeman> have you guys implemented your own touch buttons?
2014-08-26T00:25:43 < kakeman> mcu gpio&adc and some passives?
2014-08-26T00:25:53 < efuentes> kakeman capacitive touch?
2014-08-26T00:26:12 < efuentes> I haven't personally, but it doesn't seem to be too bad to get something working
2014-08-26T00:26:18 < efuentes> working well is another issue altogether...
2014-08-26T00:26:26 < kakeman> capacitive yes
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2014-08-26T01:00:24 < Fleck> These bits are write-only and can be accessed in Word mode only. << how do you understand this? 32bit reg
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2014-08-26T01:01:23 < bvernoux> Fleck: it depends of the CPU/MCU ;)
2014-08-26T01:01:42 < Fleck> F103
2014-08-26T01:01:56 < bvernoux> I would say it is 32bits
2014-08-26T01:02:06 -!- ABLomas [abl@78-60-198-200.static.zebra.lt] has quit [Ping timeout: 255 seconds]
2014-08-26T01:02:22 < Fleck> but Word is 16bit, isn't it?
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2014-08-26T01:02:29 < bvernoux> IIRC yes
2014-08-26T01:02:34 < bvernoux> Long Word = 32bits
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2014-08-26T01:03:06 < Fleck> I knoe MCU is 32bit and reg is 32bits, just that sentence makes me wonder, what do they mean with that...
2014-08-26T01:03:27 < bvernoux> The ARM's word length is 4 bytes. That is, it's a 32-bit micro and is most at home when dealing with units of data of that length. However, the ability to
2014-08-26T01:03:39 < bvernoux> so yes word = 4 bytes/32bits
2014-08-26T01:03:47 < bvernoux> in ARM language ;)
2014-08-26T01:04:18 < bvernoux> https://web.eecs.umich.edu/~prabal/teaching/eecs373-f10/readings/ARM_Architecture_Overview.pdf
2014-08-26T01:04:23 < bvernoux> Half Word is 16bits
2014-08-26T01:04:31 < Fleck> ohh, ok, nice, thx! :)
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2014-08-26T01:24:40 < Devilholk> Good evening. I have a problem with DMA and timer output compare using libopencm3 http://paste.debian.net/117533/
2014-08-26T01:25:34 < Devilholk> OC works nice when writing to the CCR register but nothing happens with DMA, tried different random variations but I have no clue where to find information about the proper way to do it
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2014-08-26T01:31:19 < Devilholk> I better read up on event generation and stuff
2014-08-26T01:34:07 < Devilholk> hm. according to the reference manual I should enable the counter last *tries*
2014-08-26T01:35:28 < karlp> pretty sure you'r emissing a pile of dma setup....
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2014-08-26T01:37:37 < Devilholk> The DMA works for SPI and USART
2014-08-26T01:37:48 < Devilholk> Using the same code, just different address and channel
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2014-08-26T02:00:25 < Devilholk> Think I found something, i don't think there is a function in libopencm3 for this, I will have to do it myself but now I am on the right track I think
2014-08-26T02:00:59 < timemob> pfft
2014-08-26T02:01:20 < timemob> libopencm3 sucking, who would have thought
2014-08-26T02:02:23 < kakeman> should those be used?
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2014-08-26T02:36:54 < kakeman> winter plans guys?
2014-08-26T02:37:45 < Devilholk> Most problems was my scope too slow, prescaler of 1000 instead of nothing works
2014-08-26T02:46:54 < dongs> I would recommend you to move to libopencm3. Unfortenately CAN is currently missing the generated Docs but there is a pretty well-documented source and header files for CAN and there is even a CAN example in the libopencm3-examples repo.
2014-08-26T02:46:59 < dongs> The libopencm3 also seems way mature than libmaple at the moment. I'm really satisfied with my switch.
2014-08-26T02:47:01 < dongs> lol
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2014-08-26T02:53:23 < Steffanx> go play with stm32cubel0 dongs
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2014-08-26T03:03:07 < kakeman> what can you do with CAN?
2014-08-26T03:03:43 < kakeman> ie.
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2014-08-26T03:04:10 < dongs> its just a robust-ish multidrop protocol
2014-08-26T03:04:14 < dongs> carshit uses it i think
2014-08-26T03:04:27 < kakeman> carshit certainly
2014-08-26T03:04:32 < kakeman> but what you use it for?
2014-08-26T03:05:00 < dongs> nothing at all. i keep adding it to stuff and forgetting to write drivers for it.
2014-08-26T03:05:36 < kakeman> I had 100V 350A motor driver that used can
2014-08-26T03:05:43 < _Sync_> I have some sensor shit that runs can
2014-08-26T03:05:59 < _Sync_> I like it because most can transceivers can easily filter for their address
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2014-08-26T03:18:08 < kakeman> is it easy?
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2014-08-26T04:21:28 < kakeman> you guys know where to get cortex debug connectors?
2014-08-26T04:21:44 < kakeman> that little thing
2014-08-26T04:24:49 < dongs> yes
2014-08-26T04:25:30 < dongs> S9012E-05-ND
2014-08-26T04:25:48 < dongs> unless you want the shrouded shit, then dont ask me, cuz i dont use those
2014-08-26T04:26:31 < dongs> http://microcontrollershop.com/product_info.php?products_id=6591 and this is the best deal on 10pin cable with that pitch
2014-08-26T04:26:57 < dongs> or y ou can get https://www.olimex.com/Products/ARM/JTAG/ARM-JTAG-20-10/ if you already have jtag w/20pin wide connector
2014-08-26T04:31:17 < GargantuaSauce_> https://www.youtube.com/watch?v=WkW55b-WQx4
2014-08-26T04:31:19 < kakeman> thanks mate
2014-08-26T04:32:32 < gxti> kakeman: http://www.digikey.com/product-search/en?keywords=1175-1629-ND
2014-08-26T04:33:00 < gxti> or just search for 1.27mm headers. you have to be careful about the shroud type though, they should look like your typical ribbon cable cutout
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2014-08-26T04:35:20 < dongs> GargantuaSauce_: impress
2014-08-26T04:35:31 < GargantuaSauce_> yeah it's kind of cool
2014-08-26T04:35:41 < GargantuaSauce_> needs an imu and to generate a point cloud though
2014-08-26T04:36:29 < GargantuaSauce_> guess he mentions that
2014-08-26T04:36:40 < dongs> where did the sensor come from?
2014-08-26T04:36:42 < dongs> roomba or something?
2014-08-26T04:36:49 < dongs> he mentioned something but i couldnt understand it
2014-08-26T04:36:51 < dongs> at beginning
2014-08-26T04:36:52 < GargantuaSauce_> yeah a robot vacuum
2014-08-26T04:37:01 < GargantuaSauce_> the sensors go for about $100 on ebay
2014-08-26T04:37:06 < dongs> spendy
2014-08-26T04:37:17 < GargantuaSauce_> kinda, but cheaper than other lidars i guess
2014-08-26T04:37:27 < GargantuaSauce_> i want to make a vision based one that will be a bit slower but much more precise
2014-08-26T04:38:18 < GargantuaSauce_> with a laser line projector + camera to measure parallax
2014-08-26T04:39:07 < GargantuaSauce_> i suspect the f407 might be even able to do a reasonable job of that
2014-08-26T04:42:00 < dongs> hah i always thought roomba-type shit was just dumb thing bumping into crap until its done
2014-08-26T04:42:04 < dongs> didnt know it actually made a model of hte room
2014-08-26T04:42:14 < GargantuaSauce_> yeah some of them are pretty sophisticated
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2014-08-26T05:04:36 < baird> The LG RoboKing model the housemate has gets confused by a table when 'Homing'-- seems to fall-back to a 'left hand on wall' method when it's lost... and doesn't have the sense to recognise when travelling ~5 metres while turning left constantly (several times around..) is being caught in a circuit.
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2014-08-26T05:31:07 < upgrdman> jadew: regarding your earlier gpio bsrr complaints... why not just write your own wrapper? i wrote one for the f0 since i didn't want to keep port and pin as separate variables...
2014-08-26T05:32:23 < upgrdman> for example:  http://pastebin.com/AWBfA7hy
2014-08-26T05:32:49 < upgrdman> and it's not any less efficient. boils down to two op codes.
2014-08-26T05:32:54 < upgrdman> at compile time.
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2014-08-26T06:41:45 < englishman> dongs, my soic8 clip arrived http://i.imgur.com/Y6kR5sF.jpg
2014-08-26T06:45:27 < dongs> hmm
2014-08-26T06:45:30 < dongs> not bad
2014-08-26T06:45:47 < dongs> are you hax0ring led driver out of atting
2014-08-26T06:47:33 < englishman> attiny13
2014-08-26T06:47:43 < englishman> lock bits set so wrote own
2014-08-26T06:48:06 < englishman> can't be stealing those flashlight firmwarez
2014-08-26T06:48:29 < dongs> gotta protect the shit.
2014-08-26T06:48:40 < dongs> apparently avr is pretty trashy for protection anyway
2014-08-26T06:48:46 < dongs> fuses can be reset with fib easily
2014-08-26T06:48:49 < dongs> if you knoe where to look
2014-08-26T06:49:06 < englishman> and if you have a fib
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2014-08-26T06:50:08 < dongs> R2COM does
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2014-08-26T06:51:36 < dongs> not much, rageblogging, procrastinating
2014-08-26T06:52:18 < dongs> there's modules for that.
2014-08-26T06:52:57 < dongs> pfft
2014-08-26T06:53:04 < dongs> CC3000 or someshit is tiny
2014-08-26T06:53:30 < dongs> they're all small,dude, stuff like that wifi SD card has lunix+wifi inside sdcard shape
2014-08-26T06:53:36 < dongs> if you cant fit that in your shit, youre doing it wrong
2014-08-26T06:56:44 < dongs> n?
2014-08-26T06:58:17 < dongs> well, considering youre connecting it to slow mcu  trash, not like you need 300mbit anyway.
2014-08-26T06:58:33 < dongs> ya that stuff
2014-08-26T06:58:39 < dongs> murata makes some too
2014-08-26T07:00:14 < dongs> might be closed sores
2014-08-26T07:00:58 < dongs> you might unless you run lunix on PC/iMX51/DM3730
2014-08-26T07:00:59 < dongs> i duno
2014-08-26T07:10:29 < dongs> any of the stuff would work for that probly
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2014-08-26T07:29:05 < dongs> in Allegro I could place NC marker to pin I didnt want anything to be connected to, during translation to PCB, i
2014-08-26T07:29:08 < dongs> altium does this
2014-08-26T07:29:13 < dongs> p-v-n
2014-08-26T07:30:06 < dongs> no it wont
2014-08-26T07:30:50 < upgrdman> why the dark soldermask on a test board? wouldn't something with better visibility be better?
2014-08-26T07:31:13 < dongs> R2COM1: stupid. this is EXACTLY what no erc directive is for.
2014-08-26T07:31:15 < dongs> you're fucking doing it wrong
2014-08-26T07:31:28 < dongs> pfft
2014-08-26T07:31:32 < dongs> R2COM1: he upgraded to shittypcbservice
2014-08-26T07:31:53 < upgrdman> R2COM1: what does home etching have to do with it?
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2014-08-26T07:39:11 < upgrdman> what EDA do you prefer?
2014-08-26T07:40:29 < upgrdman> more than altidongs?
2014-08-26T07:46:03 < ds2> $2K altium is bac?
2014-08-26T07:46:04 < ds2> back
2014-08-26T07:49:12 < ds2> yep
2014-08-26T07:49:35 < ds2> at 5K, you can get the basic allegro stuff
2014-08-26T07:50:52 < ds2> think so
2014-08-26T07:51:06 < ds2> or maybe thats orcad...it is all the same company
2014-08-26T07:53:18 < dongs> R2COM1: m-d
2014-08-26T07:53:29 < dongs> or ctrl-click+drag
2014-08-26T07:55:07 < dongs> i told you already
2014-08-26T07:56:22 < dongs> where do you even set design rules for schematic
2014-08-26T07:57:06 < dongs> then waht htae fuck are you talkign about
2014-08-26T07:57:12 < dongs> yes
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2014-08-26T07:58:34 < dongs> sorry no clue, doesnt sound like my workflow
2014-08-26T07:58:47 < dongs> i dont need to know at PCB time that I have unconnected pins
2014-08-26T07:58:53 < dongs> i already marked them as such on schematic
2014-08-26T07:58:57 < dongs> and I know they're not connected.
2014-08-26T07:59:20 < dongs> making them so is to mostly shut up stuff like floating inputs etc.
2014-08-26T07:59:31 < dongs> R2COM1: ???????????????????? then its not marked as noerc!
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2014-08-26T08:36:56 < dongs> pfft
2014-08-26T08:36:58 < dongs> nice rage
2014-08-26T08:37:44 < emeb_mac> rage / sleep / rage / sleep
2014-08-26T08:38:01 < dongs> ya thats all he does
2014-08-26T08:38:01 < emeb_mac> too much caps
2014-08-26T08:55:11 < dongs>  https://www.youtube.com/watch?v=jiuhZyidtcg retweeting
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2014-08-26T09:02:27 < emeb_mac> how did we get along without that for so long?
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2014-08-26T09:02:52 < dongs> i have noidea
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2014-08-26T09:11:14 < emeb_mac> dongs: hdmi / audio board all happy?
2014-08-26T09:14:01 < dongs> yea, shelved it for the time being as i cant make shitberrypi output hdmi audio
2014-08-26T09:14:15 < dongs> otherwise electrically it all works
2014-08-26T09:14:34 < dongs> bigger problem is that ST shitheaped that chip so i cant continue using it
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2014-08-26T09:17:47 < dongs> when i went to ask for evalboard for it to see if I had to do anything special in hardware to tell that its a hdmi audio receiver
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2014-08-26T09:21:00 < emeb_mac> that's a pain
2014-08-26T09:21:24 < emeb_mac> get a BBB - that has audio on the HDMI too.
2014-08-26T09:22:34 < dongs> i dont see how different failunix would make any difference :p
2014-08-26T09:26:33 < PaulFertser_> different SoC, different driver, different config
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2014-08-26T09:28:36 < PaulFertser_> dongs: afair most raspberrypi "images" (like xbmc and such) are using OpenMAX API to playback media (as that's the only way to get accelerted video playback). But rpi's openmax shit-library doesn't support digital sound output. So testing the way you were hoping is not possible. But I think there's another way.
2014-08-26T09:28:58 < dongs> PaulFertser_: i was trying soem garbage on cli, using speaker-test or osmeshit
2014-08-26T09:29:15 < dongs> i think i see two audio devices, in that alsa shit, but yeah, i dint get too far
2014-08-26T09:29:18 < jpa-> maybe wrap openmax etc. in gstreamer?
2014-08-26T09:29:30 < dongs> i'd much rather stop giving a shit
2014-08-26T09:29:46 < dongs> i could test hardware w/spdif tapped from somewehre
2014-08-26T09:29:54 < dongs> and let the other dicks figure out how to provide a working hdmi audio source
2014-08-26T09:30:01 < dongs> thats why I left a testpoint there.
2014-08-26T09:30:12 < PaulFertser_> dongs: yes, aplay /usr/share/sounds/alsa/Front_Center.wav or speaker-test is better
2014-08-26T09:30:44 < dongs> PaulFertser_: it didnt seem to make any difference, i think i was tring -Dhw0,1 or osmerthihng, i *think* ,1 makes it go to hdmi
2014-08-26T09:30:45 < PaulFertser_> amixer cset numid=3 2
2014-08-26T09:30:51 < emeb_mac> or you could just hook it to a hdmi-output DVD player...
2014-08-26T09:30:51 < dongs> no clue theres like zero docs on that shit
2014-08-26T09:30:58 < PaulFertser_> You need to set that shit in alsamixer too, or with amixer.
2014-08-26T09:31:01 < PaulFertser_> As cited
2014-08-26T09:31:03 < dongs> emeb_mac: dvd pla--what
2014-08-26T09:31:05 < PaulFertser_> http://elinux.org/R-Pi_Troubleshooting#Sound
2014-08-26T09:31:26 < emeb_mac> dongs: yeah - so retro
2014-08-26T09:31:40 < PaulFertser_> jpa-: well, there were some difficulties with that, I'm not sure why they've given up.
2014-08-26T09:31:47 < dongs> i was super excited to find out you cant even play youtube on this shit
2014-08-26T09:32:08 < emeb_mac> what - rpi?
2014-08-26T09:32:12 < dongs> yep
2014-08-26T09:32:16 < emeb_mac> fail
2014-08-26T09:32:18 < dongs> it comes with like 3 defaeult browsers
2014-08-26T09:32:21 < dongs> and none of them work
2014-08-26T09:32:32 < emeb_mac> chrome one of them?
2014-08-26T09:32:37 < dongs> no
2014-08-26T09:32:40 < emeb_mac> ah
2014-08-26T09:32:42 < dongs> some rip of mozilla i htink
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2014-08-26T09:32:47 < emeb_mac> blargh
2014-08-26T09:32:49 < dongs> and some old shit
2014-08-26T09:32:53 < dongs> and netfront? or somethign
2014-08-26T09:32:55 < dongs> it was all total fail
2014-08-26T09:32:57 < emeb_mac> at least a BBB will run chrome
2014-08-26T09:33:29 < PaulFertser_> jpa-: hm, I'm mistaken. their openmax didn't allow folks to use an external usb soundcard, while I assume hdmi is supported.
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2014-08-26T11:58:41 < TheSeven> hm, what's the story about SWD and the NRST pin?
2014-08-26T11:58:49 < TheSeven> is it needed or not? ;)
2014-08-26T11:59:15 < TheSeven> or rather under which circumstances could one need it?
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2014-08-26T12:00:36 < GargantuaSauce_> if your firmware repurposes the other swd pins
2014-08-26T12:00:48 < GargantuaSauce_> or any other situation in which the debugger needs to reset the target
2014-08-26T12:01:07 < GargantuaSauce_> i guess it's not STRICTLY vital but you should probably not leave it out
2014-08-26T12:01:36 < TheSeven> so SWD is accessible while NRST is asserted, and that can be used to unbrick boards where SWD is disabled?
2014-08-26T12:01:47 < GargantuaSauce_> yup
2014-08-26T12:02:18 < TheSeven> interesting... on my f4discovery I had the impression that SWD is somehow blocked while pressing the reset button
2014-08-26T12:02:37 < TheSeven> but that might of course be something at a higher level not running and the debugger waiting for it ;)
2014-08-26T12:02:44 < GargantuaSauce_> it's possible that it's only accessible right after nrst is put high again, i am not 100% sure
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2014-08-26T12:03:50 < TheSeven> in that case, I think it might be useful to break out BOOT0 as well...
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2014-08-26T12:04:20 < TheSeven> by keeping that high while powering up or resetting, one should be able to avoid SWD being disabled, right?
2014-08-26T12:04:38 < TheSeven> because the bootrom probably won't do that ;)
2014-08-26T12:06:22 < jpa-> TheSeven: SWD can connect when NRST is low, but the device cannot actually be programmed at that condition because also flash controller etc. is in reset
2014-08-26T12:06:48 < jpa-> so that is why either NRST control pin or precise timing with a finger is needed, to keep it in reset at first and after connection release it
2014-08-26T12:07:35 < jpa-> and yeah, SWD kind-of works with BOOT0, though I remember seeing some weirdness
2014-08-26T12:08:02 < jpa-> i most often use NRST + finger timing to recover from bad power saving code
2014-08-26T12:08:26 < TheSeven> jpa-: so SWD is capable of bringing the core into a state where it will stay halted after releasing nrst?
2014-08-26T12:08:35 < jpa-> sure
2014-08-26T12:08:59 < TheSeven> so no need to hit a precise timing window or anything if it can control the nrst pin :)
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2014-08-26T12:09:11 < jpa-> nope
2014-08-26T12:09:19 < TheSeven> ok, then breaking out boot0 is pointless ;)
2014-08-26T12:09:21 < jpa-> and even if it cannot, the window does not have to be all that precise
2014-08-26T12:09:33 < TheSeven> well, depends on the code that shuts off SWD I guess
2014-08-26T12:09:40 < jpa-> boot0 is a useful fallback if your debugger/programmer is acting up.. but otherwise pretty useless
2014-08-26T12:10:11 < TheSeven> can the boot0 pin state be read at runtime?
2014-08-26T12:10:15 < jpa-> TheSeven: i mean, it is possible to time the NRST manually (i have done it with paperclip when needed..) even if the debugger cannot control it
2014-08-26T12:10:18 < TheSeven> I mean the current state, not the state during power up?
2014-08-26T12:10:24 < jpa-> i don't think so
2014-08-26T12:10:45 < TheSeven> if that would be possible, that pin would nicely double as a user button ;)
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2014-08-26T12:11:09 < jpa-> yes :)
2014-08-26T12:13:10 < TheSeven> that would seem sooooo straight forward that i just can't believe that they wouldn't provide that bit somewhere
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2014-08-26T12:14:26 < jpa-> can just put it parallel with the GPIO next to it if you want to
2014-08-26T12:14:42 < TheSeven> that feels like wasting a pin though :P
2014-08-26T12:14:50 < jpa-> i guess they figured that no-one wants a half-assed almost-gpio
2014-08-26T12:15:36 < TheSeven> I'd have expected it to be some bit in some system control reg right next to where the values of those pins sampled at boot time are
2014-08-26T12:16:06 < TheSeven> I mean that's at most a few additional flipflops for metastability prevention, eh?
2014-08-26T12:16:20 < TheSeven> they have the input buffer anyway
2014-08-26T12:16:35 < jpa-> probably yeah
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2014-08-26T12:17:26 < TheSeven> hm looks like they actually added that on F042
2014-08-26T12:17:35 < TheSeven> with the BOOT0 pin doubling as a regular GPIO
2014-08-26T12:17:59 < jpa-> makes sense for low-pincount devices
2014-08-26T12:18:35 < TheSeven> they didn't do it on the older 48pin ones though
2014-08-26T12:18:38 < TheSeven> f030 doesn't have it
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2014-08-26T12:42:58 < dongs> http://en.wikipedia.org/wiki/Rosenhan_experiment#The_pseudopatient_experiment science trolling
2014-08-26T12:50:28 < _Sync_> troleing
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2014-08-26T14:31:56 < Laurenceb_> http://news.bbcimg.co.uk/media/images/77167000/jpg/_77167577_77167576.jpg
2014-08-26T14:35:32 < Fleck> comment Laurenceb_
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2014-08-26T15:01:46 < Laurenceb_> http://s4.b3ta.com/host/creative/17518/1408617487/flockofsmeagols.jpg
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2014-08-26T15:24:06 < Steffanx> link post monday was yesterday Laurenceb_.
2014-08-26T15:25:11 < jpa-> today is liesday, i can't be sure if you are lying
2014-08-26T15:25:57 < Steffanx> browse logs for confirmation jpa-
2014-08-26T15:27:34 -!- R0b0t1 [~dev@unaffiliated/r0b0t1] has quit [Ping timeout: 255 seconds]
2014-08-26T15:29:42 < dongs> http://www.accelerated-designs.com/ultra-librarian/
2014-08-26T15:29:45 < dongs> wtf is this shit
2014-08-26T15:29:53 < dongs> ADI provides "footprints/cad symbols" in this format
2014-08-26T15:30:26 < dongs> screenshots look horrible
2014-08-26T15:30:31 < dongs> UI from 1995
2014-08-26T15:31:20 < dongs> 83 megs
2014-08-26T15:31:21 < dongs> holy shit
2014-08-26T15:31:23 < dongs> installing in VM
2014-08-26T15:32:10 < Steffanx> win xp vms are the best.
2014-08-26T15:32:17 < dongs> thats what im doing
2014-08-26T15:43:07 < dongs> haha copyright 1999-2011
2014-08-26T15:43:11 < dongs> i geuss they havent changes UI since 1999
2014-08-26T15:43:16 < dongs> shit needs to isntall some ODBC crap
2014-08-26T15:43:33 < dongs> installer is some horrible custom shit
2014-08-26T15:43:37 < dongs> instead of proper msi stuff
2014-08-26T15:48:07 < Laurenceb_> windows xp?
2014-08-26T15:48:09 < Laurenceb_> http://media.englishrussia.com/newimages/kursknpp3-18.jpg
2014-08-26T15:48:41 < dongs> wahts so funny
2014-08-26T15:48:54 < Laurenceb_> background
2014-08-26T15:49:00 < dongs> yes, but why is it funny
2014-08-26T15:49:18 < Laurenceb_> cuz chernobyl
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2014-08-26T15:54:07 < dongs> haha, it doesnt "export" to altidong
2014-08-26T15:54:18 < dongs> it makes me load some altium script t hat imports their intermediate text format
2014-08-26T15:54:26 < dongs> but I guess its not too terrible
2014-08-26T15:54:36 < Fleck> and why is chernobyl funny Laurenceb_?
2014-08-26T15:54:43 < dongs> chernobyl is hilarious
2014-08-26T16:03:02 < englishman> hey dongs, my flashlight runs at 9.6MHz, does yours?
2014-08-26T16:03:11 < Laurenceb_> https://i.imgur.com/3hNfw7z.jpg
2014-08-26T16:05:39 < dongs> englishman: need active freewilly
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2014-08-26T16:32:56 < qyx_> lulz hoperf@gmail.com, totally legit
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2014-08-26T16:42:44 < Steffanx> oh it is :)
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2014-08-26T16:56:16 < englishman> hah what
2014-08-26T16:56:43 < englishman> all i have from them are @hoperf.com
2014-08-26T16:57:58 < Steffanx> their homepage says @gmail.com
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2014-08-26T17:10:31 < jadew> are there any temporary / dummy registers that you can use with out consequence?
2014-08-26T17:10:46 < jadew> (with out having to push/pop them)
2014-08-26T17:11:32 < jadew> I'm trying to consume USARTx->DR and I'm worried the compiler might optimize it out
2014-08-26T17:13:26 < jadew> or maybe there's another way to flush it?
2014-08-26T17:13:56 < dongs> jadew: CRC->IDR
2014-08-26T17:14:16 < dongs> jadew: just doing USARTx->DR; works for me
2014-08-26T17:14:19 < dongs> but i use a real compiler.
2014-08-26T17:15:06 < jadew> yeah, I can't rely on the compiler behaviour
2014-08-26T17:16:36 < jadew> maybe it doesn't optimize out volatile access, but I don't know, so I'm not taking chances
2014-08-26T17:16:42 < jadew> is keil that much better than gcc?
2014-08-26T17:16:42 < dongs> it doesnt
2014-08-26T17:16:45 < dongs> yes
2014-08-26T17:17:32 < zyp> the whole point of volatile is to mark that it can't be optimized out
2014-08-26T17:17:40 < dongs> right
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2014-08-26T17:18:06 < zyp> and no, keil is not that much better than gcc
2014-08-26T17:18:19 < englishman> of course you are comparing arm-cc and gcc
2014-08-26T17:18:26 < jadew> well, I believe it marks that it may get modified by code gcc is not aware of in that context
2014-08-26T17:18:28 < englishman> not a complete ide and debugger to a commandline compiler
2014-08-26T17:19:01 < jadew> so if the access appears to be doing nothing...
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2014-08-26T17:23:07 < jadew> englishman, yeah, I think we were all referring to the compiler
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2014-08-26T18:12:44 < dongs> lol
2014-08-26T18:12:51 < dongs> apparently macfag 10.10 also needs kernel driver signing
2014-08-26T18:12:59 < dongs> otherwise it doesnt load the driver
2014-08-26T18:13:05 < dongs> good job, steve
2014-08-26T18:13:21 < zyp> like win8?
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2014-08-26T18:13:34 < dongs> like any version of win
2014-08-26T18:13:48 < dongs> well, at leats 8 started properly enforcing it
2014-08-26T18:14:10 < zyp> lots of signing in win95
2014-08-26T18:14:48 < dongs> pfft
2014-08-26T18:15:29 < effractur> dongs: correct
2014-08-26T18:15:34 < effractur> but you can sign it
2014-08-26T18:15:38 < effractur> on your own
2014-08-26T18:15:39 < effractur> afaik
2014-08-26T18:15:58 < effractur> but all 10.9 drivers will proly not work on 10.10 (the usb based)
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2014-08-26T18:17:28 < Steffanx> really signed crap on os x ..
2014-08-26T18:17:41 < dongs> yay!!
2014-08-26T18:17:48 < Steffanx> so the stink v1 wont work anymore on os x using texane :O
2014-08-26T18:17:54 < Steffanx> not that anyone uses that but...
2014-08-26T18:18:11 < zyp> oh no
2014-08-26T18:18:19 < Steffanx> unless you can really sign it yourself, but what is the purpose of signed crap when everyone can do it?
2014-08-26T18:18:31 < effractur> to stop dum people
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2014-08-26T18:18:40 < dongs> > macos
2014-08-26T18:18:42 < effractur> the only change in 10.10
2014-08-26T18:18:42 < dongs> > dum people
2014-08-26T18:18:42 < effractur> is
2014-08-26T18:18:49 < effractur> enforcing driver singing
2014-08-26T18:19:00 < dongs> if you stopped dum people macos wouldn't exist
2014-08-26T18:20:04 < kakeman> what is maco?
2014-08-26T18:20:11 < Steffanx> that's the most useless reason to use signed drivers.. to stop dumb people.
2014-08-26T18:20:26 < effractur> and stop
2014-08-26T18:20:31 < effractur> rootkits
2014-08-26T18:20:32 < kakeman> something murican i bet
2014-08-26T18:20:34 < dongs> uh
2014-08-26T18:20:40 < dongs> how does that stop rootkits
2014-08-26T18:20:47 < Steffanx> You mean mako kakeman? That's someone in Avatar.
2014-08-26T18:20:48 < dongs> as the clever rootkit coder can just self-sign it??
2014-08-26T18:21:40 < effractur> well
2014-08-26T18:21:41 < effractur> no
2014-08-26T18:21:46 < effractur> because there certs
2014-08-26T18:21:52 < effractur> are in your keychain
2014-08-26T18:22:45 < Steffanx> I see everyone boot in kext-dev-mode very soon :D
2014-08-26T18:22:50 < dongs> im in ur keychain, stealing ur certs
2014-08-26T18:23:12 < kakeman> maco sounds like some food
2014-08-26T18:23:47 < Steffanx> Are you like spacekake man, kakeman?
2014-08-26T18:24:48 < dongs> bedtime
2014-08-26T18:25:09 < kakeman> ye
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2014-08-26T18:46:17 < Laurenceb_> http://media-cache-ec0.pinimg.com/736x/8b/4a/5c/8b4a5cd868820354b78c5f68ae089dfc.jpg
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2014-08-26T18:51:36 < emeb> I bet his parents are so proud
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2014-08-26T18:54:37 < kakeman> they don't have a son
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2014-08-26T19:08:32 < scrts_w> anymore.
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2014-08-26T20:33:19 < TheSeven> what's the usual polarity for JST PH/XH 2-pin battery or power connectors?
2014-08-26T20:35:53 < qyx_> it depends, once i googled the same question, made pcb according to it and then found out that most of china cables and batteries have different polarity
2014-08-26T20:38:44 < TheSeven> I'm running into the same here...
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2014-08-26T21:12:12 < kakeman> what are you guys buildin?
2014-08-26T21:15:27 < qyx_> cool stuff
2014-08-26T21:16:18 < karlp> excel sheets.
2014-08-26T21:16:32 < kakeman> can you show me some cool stuff?
2014-08-26T21:16:42 < karlp> check out the coolness of this function: =INDIRECT(ADDRESS(ROW(INDIRECT($B4)),COLUMN(INDIRECT($B4)),1,1,I$3))
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2014-08-26T21:17:10 < karlp> pretty cool huh?
2014-08-26T21:17:16 < kakeman> can one avoid using excel?
2014-08-26T21:17:23 < Laurenceb_> https://www.youtube.com/watch?v=f-4n-2MtECE&feature=player_detailpage&t=99
2014-08-26T21:18:22 < kakeman> that's sad
2014-08-26T21:19:13 < kakeman> when I was younger I wanted to build rocket powered icesled
2014-08-26T21:20:47 < Steffanx> aren't you still young?
2014-08-26T21:21:53 < kakeman> ye
2014-08-26T21:22:09 < BrainDamage> you can even still build one
2014-08-26T21:22:23 < Steffanx> or als colin furze
2014-08-26T21:22:28 < Steffanx> *ask
2014-08-26T21:22:42 < kakeman> those kind of projects need some serious $$$ to come out right
2014-08-26T21:23:16 < Laurenceb_> they just blew a whole load of cash
2014-08-26T21:23:25 < Laurenceb_> literally
2014-08-26T21:23:35 < kakeman> colin?
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2014-08-26T21:26:34 < Laurenceb_> http://www.colinfurze.com/
2014-08-26T21:27:21 < Laurenceb_> https://www.youtube.com/watch?feature=player_embedded&v=eA46WFX7jWA
2014-08-26T21:29:30 < TheSeven> looks like left=+ is the de facto standard
2014-08-26T21:47:15 < aadamson> cortex connector on the cheap - http://www.digikey.com/product-search/en?KeyWords=609-3729-ND&WT.z_header=search_go
2014-08-26T21:47:53 < aadamson> wow, I may have been back in time when I saw that request.. .sorry if duplicate... my irc client has reset and reloaded :)
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2014-08-26T21:58:43 < kakeman> is there caps/hats for those?
2014-08-26T21:58:56 < kakeman> do you use those?
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2014-08-26T22:04:04 < kakeman> even open circuit jumper connector caps would be useful
2014-08-26T22:04:19 < kakeman> and hard to find
2014-08-26T22:05:00 < kakeman> bare jumper connectors give bad feng sui
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2014-08-26T22:21:10 < karlp> TheSeven: now you just need to define what's "left"
2014-08-26T22:22:48 < scrts> anyone working with udp multicasts?
2014-08-26T22:25:33 < TheSeven> karlp: that's fairly easy with right angle connectors mounted on the top of pcbs
2014-08-26T22:26:01 < TheSeven> i.e. from the cable/battery side of the connector, with the tab facing upwards
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2014-08-26T23:27:16 < karlp> good job denmark: http://imgur.com/Gv7h9QW
2014-08-26T23:28:26 < Steffanx> heh
2014-08-26T23:33:40 < zyp> nice
2014-08-26T23:34:16 < karlp> do we really not have any danes here?
2014-08-26T23:34:27 < karlp> .fi, .no, .se and .is, but no .dk?
2014-08-26T23:34:44 < zyp> do we have swedes here?
2014-08-26T23:39:31 < karlp> hrm, thought we did.
2014-08-26T23:50:05 < Devilholk> uhm. Does DMA stuff set TCIF even when not using interrupts?
2014-08-26T23:50:23 < Devilholk> I want to poll DMA
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2014-08-26T23:55:46 < Devilholk> Maybe it's the enable flag I should check
--- Day changed Wed Aug 27 2014
2014-08-27T00:00:42 < Devilholk> According to the manual it is indeed TCIF
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2014-08-27T00:11:06 < Devilholk> Used an interrupt to set a flag and poll that flag but I get the same timing so it is something unrelated, but it takes care of that anyway
2014-08-27T00:19:16 < Devilholk> Yay, finally solved my issues!
2014-08-27T00:19:41 < Devilholk> I started the DMA transfer before I had set it up properly I think
2014-08-27T00:19:48 < Devilholk> So it missed one element
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2014-08-27T01:47:39 < Steffanx>  
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2014-08-27T02:13:18 < kakeman_> wat?
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2014-08-27T02:22:30 < Steffanx> You really want to know kakeman?
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2014-08-27T02:26:57 < kakeman> tell me
2014-08-27T02:32:07 < Steffanx> today is not the day sir kakeman
2014-08-27T02:33:49 < baird> it is wrong to tip the vessel of knowledge
2014-08-27T02:39:03 < kakeman> Steffanx: no it isn't. thanks for the info
2014-08-27T02:42:20 < kakeman> what do you mean by that
2014-08-27T02:50:16 < kakeman> that was creepy
2014-08-27T02:50:25 < kakeman> at same time I read that
2014-08-27T02:50:52 < kakeman> dns-search stoped working
2014-08-27T02:52:34 < kakeman> ->no internets
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2014-08-27T02:59:42 < Steffanx> baird has the switch kakeman, the switch.
2014-08-27T03:00:49 < kakeman> I'll do what you say. pls.
2014-08-27T03:02:32 < qyx_> uhm, nRF24LE1 is used in logitech m305 wireless mouse
2014-08-27T03:02:36 < qyx_> 8051, pfff
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2014-08-27T03:08:09 < kakeman> norwegian chip
2014-08-27T03:11:36 < kakeman> you don't really need more than that
2014-08-27T03:11:55 < kakeman> 8051
2014-08-27T03:13:21 < kakeman> i don't know
2014-08-27T03:13:34 < kakeman> one you have taste of 32bit mcu
2014-08-27T03:13:39 < kakeman> once
2014-08-27T03:15:00 < GargantuaSauce_> yeah the architecture has kept me away from those
2014-08-27T03:15:06 < GargantuaSauce_> i really like the nrf24l01 though
2014-08-27T03:16:44 < _Sync_> uh wow, why the fuck are ifs slowing my code right down on an 103r4
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2014-08-27T06:18:25 < dongs> zyp: your shit is in norgay customs
2014-08-27T06:24:39 < dongs> blogging up a storm
2014-08-27T06:25:11 < dongs> agreed
2014-08-27T06:32:09 < dongs> nothin new
2014-08-27T06:32:16 < dongs> busy innovating
2014-08-27T06:33:37 < emeb_mac> what's on the bench today?
2014-08-27T06:36:38 < dongs> mostly fail
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2014-08-27T06:54:41 < emeb_mac> as in *BOOM*
2014-08-27T06:56:39 < dongs> yeah like R2COM's latest fail over texas
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2014-08-27T07:02:30 < dongs> http://www.businessinsider.com/spacex-explode-2014-8
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2014-08-27T07:12:06 < emeb_mac> R2COM1: I've completely forgotten who you're talking about.
2014-08-27T07:12:17 < dongs> maybe he means beaglebone
2014-08-27T07:16:13 < emeb_mac> I vaguely remember posting some link to a person of african heritage and then somehow cementing in R2COM's mind that I liked that person. But that's all I remember...
2014-08-27T07:17:16 < dongs> pics or it iddnt happen
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2014-08-27T07:21:07 < emeb_mac> hmm... doesn't sound like my style, but if you say so...
2014-08-27T07:21:35 < emeb_mac> I'm sure Steffanx can grep the logs and find it
2014-08-27T07:24:54 < dongs> upgrade spacex from tarduino to mbed
2014-08-27T07:26:24 < emeb_mac> who now?
2014-08-27T07:28:15 < dongs> sounds like innovation
2014-08-27T07:28:34 < emeb_mac> sounds interesting
2014-08-27T07:28:47 < englishman> rocketcom is now researchcom
2014-08-27T07:29:03 < emeb_mac> R2COM1: what kind of chips?
2014-08-27T07:30:41 < emeb_mac> Fun
2014-08-27T07:31:02 < emeb_mac> I did some mixed-signal stuff about 10yrs ago
2014-08-27T07:31:22 < englishman> cool
2014-08-27T07:31:27 < emeb_mac> I mostly did digital ASICs but got involved in some ADC/DAC functions too.
2014-08-27T07:33:55 < emeb_mac> hilarious that they still call it "tape-out"
2014-08-27T07:34:00 < englishman> is this where instead of a design tool like cadence you design the layers with coloured masking tape
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2014-08-27T07:34:26 < emeb_mac> haha
2014-08-27T07:35:46 < emeb_mac> don't forget DFM & scan insertion
2014-08-27T07:36:47 < emeb_mac> design for manufacturing - testability
2014-08-27T07:37:17 < emeb_mac> yeah - you weren't building a production part
2014-08-27T07:37:44 < emeb_mac> when you do a part for production you don't want tester time to take forever
2014-08-27T07:38:02 < emeb_mac> so you add scan chains to accelerate testing
2014-08-27T07:38:44 < emeb_mac> sure - no such thing as scan in analog
2014-08-27T07:38:53 < emeb_mac> and testing analog is a pain
2014-08-27T07:39:47 < emeb_mac> still need to test parts in production to isolate bad parts
2014-08-27T07:39:57 < emeb_mac> so some sort of functional test is needed
2014-08-27T07:40:38 < emeb_mac> right - and designing those tests is a nuisance
2014-08-27T07:40:57 < emeb_mac> (production tests)
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2014-08-27T07:42:01 < emeb_mac> yep
2014-08-27T07:42:27 < emeb_mac> the place I worked at the test engineers were always bugging us designers for help with the tests.
2014-08-27T07:50:48 < dongs> cool, got a tray with some RTL2832P
2014-08-27T07:51:50 < emeb_mac> fun. gonna make some RTL SDR dongles?
2014-08-27T07:52:01 < dongs> no, it has serial mpegts input
2014-08-27T07:52:23 < emeb_mac> ah
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2014-08-27T07:53:09 < dongs> it has sdr part too but im not too worried about that
2014-08-27T07:53:11 < dongs> 2mhz and all that shit
2014-08-27T07:53:11 < emeb_mac> bypasses the demod I guess
2014-08-27T07:53:15 < dongs> right
2014-08-27T07:53:46 < dongs> its pretty uncommon i think theres only one T2 usb stick that has that cshit
2014-08-27T07:53:57 < emeb_mac> I did a DVB-S demod in ASIC back in the 90's. Fun stuff.
2014-08-27T07:54:08 < dongs> no shit, cool
2014-08-27T07:54:16 < emeb_mac> dunno much about T2 though. I guess that's COFDM
2014-08-27T07:54:17 < dongs> i guess back then you had to. how its a $1 part
2014-08-27T07:54:25 < dongs> how=now
2014-08-27T07:54:33 < emeb_mac> right. stuff is dirt-cheap commodity.
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2014-08-27T07:54:43 < emeb_mac> back then it was a big deal to do it all on one chip
2014-08-27T07:55:03 < emeb_mac> now you could probably do it on a $10 FPGA
2014-08-27T07:56:09 < dongs> assuming you actually want to
2014-08-27T07:56:21 < emeb_mac> true
2014-08-27T07:56:40 < dongs> tehre's very little reason to do it on fpga these days unless you want some intermediate demod results
2014-08-27T07:56:48 < emeb_mac> actually most of my day job lately is implementing various demods in FPGA for weird waveforms.
2014-08-27T08:04:41 < dongs> exciting
2014-08-27T08:04:57 < emeb_mac> haha
2014-08-27T08:05:09 < emeb_mac> beats work I guess
2014-08-27T08:05:41 < emeb_mac> as in "better than mowing lawns or digging ditches"
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2014-08-27T08:47:53 < baird> ICAC: 9! Liberals... -9!
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--- Log opened Wed Aug 27 11:05:27 2014
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2014-08-27T11:35:50 < baird> http://www.ebay.com/itm/Suckadelic-Gay-Energon-Action-Figure-/231312717497?&_trksid=p2056016.m2518.l4276
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2014-08-27T12:46:54 < dongs> baird: absolutely epic
2014-08-27T12:58:47 < jadew> is there any way to detect if the USART Tx shift register is empty?
2014-08-27T13:01:28 < dongs> TXE?
2014-08-27T13:01:31 < dongs> interrupt or something
2014-08-27T13:01:48 < jadew> the TXE signals that the data register is empty
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2014-08-27T13:02:06 < jadew> and the data register gets empty as soon as the data is moved into the shift register
2014-08-27T13:02:32 < jadew> there's also TC, but TC is not cleared by hardware, so after a DMA request, it will be 1 because of previous transfers
2014-08-27T13:02:58 < jadew> clearing it is also unreliable, because you don't know if by the time you clear it, the last transfer actually finished
2014-08-27T13:03:06 < jadew> so if you start waiting for TC, you might wait for ever
2014-08-27T13:04:19 < jadew> if (SR & SR_TXE) { clear TC } doesn't seem very reliable either
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2014-08-27T13:05:53 < jadew> I guess I could disable IRQ while I do that, to make sure it doesn't get interrupted, but given that crap on this chip takes an arbitrary ammount of clocks, whatever was in the buffer could already be gone by the time TC is cleared, depending on the BUS speed
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2014-08-27T13:07:09 < jadew> for example TC could be cleared too late, because of some other stuff going on in there
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2014-08-27T13:09:24 < jadew> here's another question, how is the DMA controller supposed to be used in double buffering mode, if your data doesn't percisely fit the ONE size that the two buffers can have? like if I have two 1k buffers and I want to send out 2.5k of data, continously
2014-08-27T13:09:30 < jadew> how would I go about that?
2014-08-27T13:11:21 < jadew> on top of that, you can't change the size of the buffer on the fly (if it had 2 counters for each buffer you might have been able to - like it's possible with other chips)
2014-08-27T13:12:05 < jadew> suggestions?
2014-08-27T13:13:07 < karlp> wat?
2014-08-27T13:13:17 < jadew> karlp, which part?
2014-08-27T13:13:22 < karlp> all of it.
2014-08-27T13:13:38 < jadew> USART or DMA?
2014-08-27T13:13:57 < karlp> I feel you're overthinking things again.
2014-08-27T13:14:27 < jadew> karlp, I just don't know how to do what I want to do
2014-08-27T13:14:37 < jadew> both issues are real
2014-08-27T13:15:24 < zyp> first of all, which chip is this?
2014-08-27T13:15:26 < karlp> how about saying what you're trying to do then, rather than getting buried in presumed problems
2014-08-27T13:15:32 < jadew> zyp, f4
2014-08-27T13:15:50 < jadew> karlp, they're not presumed, I'm having them right now
2014-08-27T13:15:53 < zyp> right
2014-08-27T13:15:54 < jadew> and that's what I'm trying to do
2014-08-27T13:16:01 < zyp> and you want to sendt 2.5k of data?
2014-08-27T13:16:05 < zyp> send*
2014-08-27T13:16:11 < zyp> where is this data coming from?
2014-08-27T13:16:15 < jadew> zyp, no, I'd have enough buffer for 2.5
2014-08-27T13:16:32 < jadew> I want to send an arbitrary ammount of data, which might be higher than my buffers' size
2014-08-27T13:16:48 < karlp> what buffer?
2014-08-27T13:16:50 < zyp> ok
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2014-08-27T13:16:53 < karlp> where's it coming from then?
2014-08-27T13:16:53 < jadew> zyp, from other peripherals
2014-08-27T13:16:59 < zyp> I'd say forget about the double buffer mode
2014-08-27T13:17:05 < zyp> it's more useful for receiving
2014-08-27T13:17:21 < karlp> tx just setup a transfer of how much you need, from where you need it.
2014-08-27T13:17:29 < zyp> yeah
2014-08-27T13:17:34 < jadew> that's shitty
2014-08-27T13:17:41 < jadew> it will have dead times
2014-08-27T13:17:44 < zyp> just transfer each buffer, then start a transfer of next buffer once the first buffer is done
2014-08-27T13:17:47 < zyp> so what?
2014-08-27T13:18:03 < zyp> it's transmission, you have no risk of missing data like you have on reception
2014-08-27T13:18:15 < jadew> zyp, decreased throughoutput
2014-08-27T13:18:24 < zyp> bullshit
2014-08-27T13:18:27 < jadew> they only needed one more counter to get this right
2014-08-27T13:18:47 < jadew> so you could set the second buffer & count, while the first buffer was getting sent out
2014-08-27T13:18:53 < karlp> no, _you_ only needed one more counter to live in your crazy world.
2014-08-27T13:19:03 < jadew> karlp, whatever
2014-08-27T13:19:08 < zyp> in practice you'd probably to be able to schedule a new dma transfer in the time it takes for the uart to be free again
2014-08-27T13:19:09 < jadew> how about the USART issue?
2014-08-27T13:19:28 < zyp> so you're just inventing a problem that doesn't exist in practice
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2014-08-27T13:21:32 < karlp> that's the same question, and you were told.
2014-08-27T13:21:40 < karlp> sorry, stuck in scrollback again.
2014-08-27T13:21:55 < karlp> if you want to read about how to use the tx shift empty, look for the app notes on rs485 driver enable
2014-08-27T13:22:19 < karlp> (for the chips that don't have that automatically configuratble in the uart periph)
2014-08-27T13:22:44 < karlp> they'll give you options for both dma and interrupts,
2014-08-27T13:23:04 < GargantuaSauce> isnt there a BSY flag?
2014-08-27T13:23:32 < jadew> GargantuaSauce, no
2014-08-27T13:26:33 < jadew> zyp, the sole purpose of double buffering is so you don't turn off the DMA transfer between buffers
2014-08-27T13:26:46 < jadew> if this was not an issue, double buffering wouldn't have been invented
2014-08-27T13:27:12 < jadew> now, what I don't understand is how after so many freaking revisions of this family, transferring data that didn't fit the buffer didn't come up
2014-08-27T13:27:18 < jadew> how the hell do they miss that?
2014-08-27T13:29:04 < GargantuaSauce> they specifically made design choices to preclude the development of your application
2014-08-27T13:29:06 < GargantuaSauce> obviously
2014-08-27T13:29:28 < zyp> jadew, like I said, it's useful for reception, not for transmission
2014-08-27T13:29:50 < zyp> or to respecify, it's useful when you're not on the side controlling the flow
2014-08-27T13:31:48 < jadew> zyp, yes, because it's done in this manner, if it was done properly it would have been useful for transmission too, there's nothing different between processing an RX buffer and TX buffer
2014-08-27T13:32:31 < zyp> of course it is
2014-08-27T13:32:46 < zyp> a buffer underrun is pretty different from a buffer overrun
2014-08-27T13:33:22 < jadew> it looks the same on the bus => a gap in the data transfer
2014-08-27T13:34:10 < jadew> so they are actually equally important in terms of datarate
2014-08-27T13:34:31 < zyp> this has nothing to do with datarate, it's a matter of dropping data or not
2014-08-27T13:34:43 < jadew> there's no point in doing SPI at 42 Mbps if you get to transfer the data in the same ammount of time as if you did it at 10
2014-08-27T13:35:01 < zyp> your argument doesn't make sense
2014-08-27T13:35:10 < jadew> zyp, not every application care ONLY about data integrity, some care about speed too
2014-08-27T13:35:30 < zyp> you're not arguing about a difference between 42 and 10 Mb/s, you are arguing about a difference of maybe 42 Mb/s vs 41.99 Mb/s
2014-08-27T13:35:42 < zyp> maybe less
2014-08-27T13:36:55 < jadew> zyp, depends a lot of how much data you have to send NOW
2014-08-27T13:37:04 < jadew> like if you have 10 bytes available and you send them
2014-08-27T13:37:19 < zyp> no, it doesn't.
2014-08-27T13:37:36 < GargantuaSauce> do you seriously think you're going to be able to peg the microcontroller at its maximum theoretical transfer rate with a 100% duty cycle?
2014-08-27T13:37:37 < jadew> you'll have to do the whole disable & wait crap before you check how much data you have to send next
2014-08-27T13:37:53 < zyp> GargantuaSauce, it's not that hard
2014-08-27T13:38:14 < zyp> jadew, wait for what?
2014-08-27T13:38:32 < jadew> zyp, for the DMA transfer end
2014-08-27T13:38:46 < jadew> that's extra cycles
2014-08-27T13:38:51 < zyp> you set up a DMA completion ISR and in the ISR you check how much new data you have and schedule a new transfer if any
2014-08-27T13:38:54 < jadew> which at high speeds, matter
2014-08-27T13:39:26 < zyp> then you can do other stuff until the ISR hits, like actually generating new data
2014-08-27T13:40:53 < dongs> you guys still trollin
2014-08-27T13:40:55 < zyp> like I said, you're inventing a problem
2014-08-27T13:41:02 < dongs> jadew is like lunix on desktop
2014-08-27T13:41:03 < zyp> dongs, always
2014-08-27T13:41:05 < dongs> finding solutions to non-problems
2014-08-27T13:41:12 < dongs> zyp, did you hear the tweet taht your shit is at DHL norgay
2014-08-27T13:41:16 < dongs> you should probly see whats holding it up
2014-08-27T13:41:20 < zyp> I know
2014-08-27T13:41:23 < dongs> ok cool
2014-08-27T13:41:26 < zyp> they called me the other day
2014-08-27T13:41:35 < dongs> WHY SO MANY WIRES
2014-08-27T13:41:39 < dongs> LOOKS LIEK A BOMB
2014-08-27T13:41:46 < zyp> «uh, this shit is declared with an unlikely low value, what's the real value?»
2014-08-27T13:42:00 < jadew> zyp, they actually asked you that?
2014-08-27T13:42:12 < dongs> "uh its just wires, have you checked how much that costs???"
2014-08-27T13:42:20 < zyp> not with those words, but yes
2014-08-27T13:42:45 < jadew> I always end up paying extra when I get stuff via DHL or UPS
2014-08-27T13:43:01 < dongs> thats cuz you live in a country of intenet hax0rs and scammers
2014-08-27T13:43:17 < dongs> romanian internet hax0rs are legendary
2014-08-27T13:43:38 < jadew> they're retards
2014-08-27T13:43:55 < jadew> script kiddies at best
2014-08-27T13:44:37 < jadew> we have a thing where if the product costs less than $100, you don't have to pay anything extra
2014-08-27T13:45:01 < jadew> with DHL and UPS this doesn't seem to matter
2014-08-27T13:45:25 < jadew> and they tax the price of the shipping too
2014-08-27T13:49:32 < jadew> now, DMA crap aside, I'm still stuck on that TC thing
2014-08-27T13:49:52 < jadew> there's still no way to reliably determine if the USART shift register is empty or not
2014-08-27T13:55:38 < jadew> even if I did if (sr & TXE) { clear TC }  while ( !(sr & TC) ); I'd still run into the issue of TXE being off, because the data register is empty, while the shift register is still spewing out data, but TC is 1, because of the previous bytes sent by the DMA
2014-08-27T13:56:01 < jadew> so while ( !(sr & TC) ); would falsely continue
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2014-08-27T14:07:24 < karlp> sdf
2014-08-27T14:08:51 < karlp> did you read the st app notes on this? or are you still searching for solutions
2014-08-27T14:10:20 < jadew> karlp, looking for it right now
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2014-08-27T14:18:39 < jadew> karlp, I checked it, it's the same thing I was saying earlier, after DMA complete, if TXE then TC = 0, and wait for TC, except they're making the assumption that between the DMA complete and the interrupt, the USART didn't already finish its job
2014-08-27T14:18:46 < jadew> very dodgy
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2014-08-27T15:06:19 < dongs> does stm32L have some crap where I can read vbat or simeilar
2014-08-27T15:06:41 < dongs> or do i need to waste adc to put vbat into one
2014-08-27T15:07:39 < dongs> looks ike I can read VREFINT?
2014-08-27T15:07:41 < dongs> or something
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2014-08-27T15:07:58 < zyp> weren't there a separate adc channel dedicated to vbat/2 or something?
2014-08-27T15:08:15 < zyp> I remember somebody talking about that, but I forgot which chip it was about
2014-08-27T15:08:16 < dongs> vref will do also
2014-08-27T15:08:17 < qyx_> yes if i remember correctly
2014-08-27T15:08:35 < qyx_> maybe me, l152 it was
2014-08-27T15:08:36 < karlp> measuring vrefint and the calibration bytes will tell you what vcca is
2014-08-27T15:08:47 < dongs> this shit has no vcca
2014-08-27T15:08:49 < dongs> its just 2 vcc pins
2014-08-27T15:08:57 < dongs> eh, i mean it has vdda.
2014-08-27T15:08:58 < dongs>  k
2014-08-27T15:09:01 < karlp> vcca=vcc on the smaller packges
2014-08-27T15:09:13 < karlp> vdda, vcca, whatever fets your bjt
2014-08-27T15:09:26 < qyx_> you would still need to connect vdd and vcca to the same level
2014-08-27T15:09:53 < qyx_> so it is usable only if you directly connected vdd to vbat
2014-08-27T15:09:55 < dongs> well, they are
2014-08-27T15:10:03 < dongs> yea vbat is what powers whole thing anyway
2014-08-27T15:10:06 < dongs> its 3V coin cell
2014-08-27T15:10:09 < dongs> until its dead or wahtever
2014-08-27T15:10:18 < zyp> jadew, if you're doing DMA you don't have to care if the USART is finished or not, you can just schedule a new DMA job, and then it will continue as soon as the USART is ready
2014-08-27T15:10:36 < dongs> zyp, that would make too much sense
2014-08-27T15:10:37 < zyp> jadew, and that itself will help prevent the gap you're so worried about
2014-08-27T15:10:42 < jadew> zyp, I realize that, but I want to turn off USART when DMA is done
2014-08-27T15:11:10 < zyp> sure, then you'll have to wait until the USART is also done
2014-08-27T15:11:18 < jadew> and if I can't figure out when USART has finished it's job, I can't cut the clock, otherwise I risk cutting it off during a transfer
2014-08-27T15:11:47 < jadew> zyp, exactly, so how do you do that?
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2014-08-27T15:12:08 < qyx_> wait what, L152 doesn't even have vbaT?
2014-08-27T15:12:17 < dongs> i duno im doing L051 and it doesnt
2014-08-27T15:12:20 < dongs> not in 32pinpkg anyway
2014-08-27T15:12:25 < dongs> VBUTT
2014-08-27T15:12:37 < qyx_> what was that chip
2014-08-27T15:12:46 < dongs> stm32L051?
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2014-08-27T15:13:55 < qyx_> ah, f401 does have that
2014-08-27T15:15:16 < karlp> no vbat on l, because you run the battery directly to vdd...
2014-08-27T15:16:35 < dongs> hm should I be driving small speaker with nfet or pfet
2014-08-27T15:16:46 < dongs> i also kinda wanna use it as a mic sometime so i wanna connect one end to adc
2014-08-27T15:16:55 < dongs> but thats not gonna wokr if its on highside
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2014-08-27T15:19:08 < jpa-_> dongs: why wouldn't it?
2014-08-27T15:19:22 < jpa-_> it will work exactly as well as on lowside, which is terribly bad
2014-08-27T15:20:02 < jpa-_> first of all, it will cut one half away (easy to resolve with dc block capacitor + bias resistors), and you will probably need an opamp to amplify it also
2014-08-27T15:20:20 < dongs> ya, cant do either of those things
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2014-08-27T15:21:02 < jpa-_> microphone direct to ADC rarely works.. would have to be very loud sound and very sensitive mic
2014-08-27T15:21:09 < dongs> right
2014-08-27T15:21:20 < dongs> all i need is very loud sound vs some sound i dont car about
2014-08-27T15:22:08 < jpa-_> ok.. then perhaps doable (but still doesn't matter lowside vs. highside)
2014-08-27T15:22:32 < dongs> ok
2014-08-27T15:22:41 < dongs> so just stick non-powere connected end of speaker to adc and call it done?
2014-08-27T15:24:08 < jpa-_> yeah
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2014-08-27T15:24:46 < jpa-_> assuming the high side is connected to Vcc and not some higher voltage
2014-08-27T15:24:54 < dongs> right yeah, just same battery
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2014-08-27T15:47:30 < Laurenceb_> cant you use opamps?
2014-08-27T15:47:40 < Laurenceb_> i cant remeber if L has opamps
2014-08-27T15:48:08 < zyp> opamps is an F3 thing
2014-08-27T15:48:18 < karlp> bigger L has opamps too
2014-08-27T15:48:24 < karlp> med+ and high density
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2014-08-27T15:59:41 < Steffanx> karlp, they don't call them that anymore.. It's now Cat. 1-5
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2014-08-27T16:51:29 < jpa-_> yeah there are the ghost-L's with opamps
2014-08-27T16:51:35 < jpa-_> not sure if anyone still sells them
2014-08-27T16:51:38 -!- You're now known as jpa-
2014-08-27T16:52:25 < dongs> http://i.imgur.com/EdOOODg.png hmm my shit fits into ~24x20 thing under coin cell
2014-08-27T16:54:01 < dongs> well, 24x24 i guess really
2014-08-27T16:54:17 < Claude> fancy coloring dongs , altium?
2014-08-27T16:54:21 < dongs> ya
2014-08-27T16:54:31 < dongs> colorin dem net classes
2014-08-27T16:54:33 < dongs> super handy
2014-08-27T16:54:46 < qyx_> whasts that thing
2014-08-27T16:54:49 < Claude> yeah have to try that too , looks handy
2014-08-27T16:55:03 < qyx_> is that some accelerometer in the right top corner?
2014-08-27T16:55:11 < dongs> ya
2014-08-27T16:55:43 < qyx_> sleep phase dependent alarm? :X
2014-08-27T16:55:58 < jpa-> wankalarm
2014-08-27T16:56:10 < jpa-> also a mic to detect if you yell while wanking
2014-08-27T16:56:19 < Claude> faptronome?
2014-08-27T16:56:39 < Steffanx> time for a smaller swd connector dongs
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2014-08-27T16:56:46 < jpa-> kickstart that, it just needs a facebook "share my fap" button
2014-08-27T16:57:17 < dongs> Steffanx: lol right, but its a devboard!
2014-08-27T16:57:29 < dongs> pal suggested I just side mounted one and make pcb 1.2mm thick
2014-08-27T16:57:34 < dongs> then i can have it as edge connector
2014-08-27T16:58:25 < qyx_> you could even do a slot in the corner
2014-08-27T16:58:33 < qyx_> to "hide" it
2014-08-27T16:58:45 < zyp> heh
2014-08-27T16:58:57 < dongs> ooo
2014-08-27T16:59:31 < qyx_> just add radio, make it arduino compatible and it will be another "the smallest arduino board"
2014-08-27T17:00:16 < zyp> all my normal jtag ribbon cables have somehow disappeared
2014-08-27T17:00:28 < zyp> I needed one yesterday and couldn't find any
2014-08-27T17:00:49 < zyp> I mean the 10-pin 1.27mm pitch ones
2014-08-27T17:01:46 < dongs> time to m,ake another order to microcontrollerpros
2014-08-27T17:02:07 < zyp> I know I have one hanging out of a box with a board installed, but I'm too lazy to open it up to get it out
2014-08-27T17:02:14 < zyp> yeah, I guess
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2014-08-27T17:05:48 < dongs> nice, packed dixels failed
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2014-08-27T17:06:41 < Steffanx> is packed dixels like dp?
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2014-08-27T17:07:09 < dongs> https://www.kickstarter.com/projects/753230753/packed-pixels-an-extra-monitor-for-your-laptop just scam
2014-08-27T17:07:21 < dongs> wiht technology so proprietary they cant even show it
2014-08-27T17:07:30 < Steffanx> oh that.
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2014-08-27T17:09:32 < dongs> https://www.kickstarter.com/projects/1859884318/oscar-the-open-screen-adapter/posts these clowns are failing too
2014-08-27T17:09:43 < Steffanx> did dongs pledge for the coolest cooler yet?
2014-08-27T17:09:52 < dongs> wat
2014-08-27T17:09:54 < dongs> probly now
2014-08-27T17:09:56 < dongs> er
2014-08-27T17:09:56 < dongs>  not
2014-08-27T17:10:14 < Steffanx> they got like 207 times more than they asked for,
2014-08-27T17:10:48 < dongs> is it another potatosalad type shit
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2014-08-27T17:11:09 < Steffanx> https://www.kickstarter.com/projects/ryangrepper/coolest-cooler-21st-century-cooler-thats-actually
2014-08-27T17:11:10 < Steffanx> 10M
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2014-08-27T17:23:55 < dongs> https://www.kickstarter.com/projects/1474433053/conductak-stick-circuits-anywhere?ref=category_recommended
2014-08-27T17:23:58 < dongs> hahaha
2014-08-27T17:24:03 < dongs> just on the footsteps of that other shit that "succeeded"
2014-08-27T17:24:06 < dongs> by donating 20k of their own cash
2014-08-27T17:28:12 < dongs> qyx_: well, except its L051 not a fucking failmega
2014-08-27T17:28:28 < Steffanx> xmega isn't that much fail is it
2014-08-27T17:30:19 < dongs> oh hm i should add soft-off button
2014-08-27T17:30:50 < dongs> its just as simple as fet,, same gpio going to i/o pin and then keeping it high/low/wahtever after cpu is awake, right
2014-08-27T17:31:31 < dongs> i see all these retarded arduino schematics for soft-off
2014-08-27T17:31:34 < dongs> that involve like 200 compoentns
2014-08-27T17:31:36 < dongs> taht cant be rigth
2014-08-27T17:31:44 < dongs> http://cdn.instructables.com/FDL/VVCU/HJGE6MU5/FDLVVCUHJGE6MU5.LARGE.jpg REALLY???
2014-08-27T17:35:17 < zyp> wat
2014-08-27T17:36:48 < dongs> more like twat
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2014-08-27T17:47:02 < Lux> usually you can do it with like 2 transistors npn and pnp
2014-08-27T17:47:10 < Lux> depending of the current you need ofc
2014-08-27T17:48:54 < dongs> it might be easier to just pull teh battery
2014-08-27T17:49:01 < dongs> if everything works properly it should be drawing something like nA
2014-08-27T17:49:07 < dongs> so it might noe need a sswitch
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2014-08-27T17:51:40 < dongs> http://i.imgur.com/pMDImuo.png nice, everything should fit in this
2014-08-27T17:53:24 < Steffanx> still not clear what it is..
2014-08-27T17:53:35 < dongs> top secret dickstarter
2014-08-27T17:54:07 < qyx_> simply put it to standby
2014-08-27T17:54:10 < Steffanx> btw nA.. what sleepmode is that?
2014-08-27T17:54:14 < qyx_> and connect button to wkup
2014-08-27T17:54:16 < Steffanx> as standby is till 270
2014-08-27T17:54:32 < qyx_> PA0 or whatever pin is that
2014-08-27T17:55:22 < dongs> Steffanx: everything off
2014-08-27T17:55:28 < Steffanx> even rtc?
2014-08-27T17:55:35 < dongs> rtc is on
2014-08-27T17:55:55 < Lux> dongs: http://imgur.com/hzqHz2b
2014-08-27T17:56:01 < Lux> sry for the shitty editor
2014-08-27T17:56:27 < dongs> hm thats a lot of parts
2014-08-27T17:56:49 < Lux> minimum you need
2014-08-27T17:57:43 < dongs> lux, why cant i just put switch to gate of say pfet, and also same switch to mcu pin
2014-08-27T17:57:59 < dongs> switch shorts it to blah, mcu wakes up and continues shorting it.
2014-08-27T17:58:00 < Lux> depends on the battery voltage
2014-08-27T17:58:09 < dongs> from 3V until its dead
2014-08-27T17:58:15 < Lux> <5V shoult work
2014-08-27T17:58:25 < dongs> the whole thing is jsut battery
2014-08-27T17:58:28 < dongs> theres no vreg
2014-08-27T17:58:30 < Lux> on the right pins i guess
2014-08-27T17:58:42 < dongs> Steffanx: L051 stop mode is 460nA
2014-08-27T17:59:01 < Steffanx> standby is lower, but it resets the cpu.
2014-08-27T17:59:04 < dongs> no
2014-08-27T17:59:07 < Steffanx> @ wakeup
2014-08-27T17:59:14 < dongs> i think this is lowest, i forget
2014-08-27T17:59:28 < dongs> stop is one that takes longest to wake up, and can only get out by 2 pins (1 pin on 32pin package)
2014-08-27T17:59:42 < Steffanx> no that's standby :P
2014-08-27T17:59:57 < dongs> no its not
2014-08-27T18:00:05 < Steffanx> 0.27 μA Standby mode (2 wakeup pins)
2014-08-27T18:00:10 < Steffanx> 0.4 μA Stop mode (16 wakeup lines)
2014-08-27T18:00:16 < Lux> is it running on a coin cell ?
2014-08-27T18:00:18 < Steffanx> 0.8 μA Stop mode + RTC + 8 KB RAM retention
2014-08-27T18:00:36 < dongs> Lux: yes
2014-08-27T18:00:50 < Lux> then you could drop the npn and the vreg
2014-08-27T18:00:50 < dongs> Lux: http://i.imgur.com/pMDImuo.png coin cell behind board
2014-08-27T18:00:54 < dongs> CR2032 or wahtever
2014-08-27T18:01:07 < Lux> imo a pnp only should suffice
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2014-08-27T18:01:52 < qyx_> yep, standby is the lowest possible consumption
2014-08-27T18:02:01 < qyx_> you can easily wakeup with wkup pins
2014-08-27T18:02:18 < dongs> L0demo calls it "STOP"
2014-08-27T18:02:33 < Lux> only thing is the µC might sink current into the pin when it's off making the whole stuff useless
2014-08-27T18:02:39 < qyx_> so it calls it wrong
2014-08-27T18:03:23 < dongs>  Steffanx> 0.27 ?A Standby mode (2 wakeup pins)
2014-08-27T18:03:24 < dongs> hm ok
2014-08-27T18:03:36 < dongs> ya thats the one ill be using
2014-08-27T18:04:08 < qyx_> still ok, 1mil hours from cr2032 \o/
2014-08-27T18:04:18 < dongs> if it really only draws that, 300mAh cell will last for 126 years
2014-08-27T18:04:18 < dongs> yeah
2014-08-27T18:04:40 < dongs> hm i think its 200mAh
2014-08-27T18:04:46 < dongs> 190-225
2014-08-27T18:04:59 < dongs> ok only 80 years
2014-08-27T18:05:00 < dongs> bummer
2014-08-27T18:05:35 < qyx_> you are not going to overlive it
2014-08-27T18:05:37 < dongs> i will deliver the 1st battery powered dickstarter that exceeds its battery life claims
2014-08-27T18:05:47 < qyx_> hm, is that cr2032 capable of delivering 25mA bursts?
2014-08-27T18:05:50 < qyx_> without big cap
2014-08-27T18:05:53 < qyx_> ~0.3ms
2014-08-27T18:06:00 < dongs> i got 10uF on input
2014-08-27T18:06:12 < qyx_> thats not that big cap
2014-08-27T18:06:25 < qyx_> maybe i could just use calculator
2014-08-27T18:07:08 < dongs> http://www.ti.com/lit/wp/swra349/swra349.pdf
2014-08-27T18:08:37 < qyx_> nice
2014-08-27T18:09:43 < Laurenceb_> anyone here know much about metal halide / HPS lighting
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2014-08-27T18:09:55 < Laurenceb_> much == more than ##electronics permanoobs
2014-08-27T18:10:00 < Claude> dongs, doing a lot with a stm32l151 and CR2032 lately . make sure your caps don't have higher leakage than your stm32 consumes in stop/standby mode. 10uF sound a lot like mlcc caps which *can* be very bad regarding leakage
2014-08-27T18:10:14 < Laurenceb_> i need to make something with hot restrike
2014-08-27T18:10:30 < Laurenceb_> wondered what was best, metal halide or HPS
2014-08-27T18:10:49 < dongs> Claude: rly, do tell, so what should I use
2014-08-27T18:11:04 < dongs> all my junk  there is mlcc, of course
2014-08-27T18:12:12 < Claude> i had 2x22uf tantals on my board as buffer when high currents flow (stm32l151 + si4012 rf tx , around 25mA for 100ms) . in the end i removed the caps :)
2014-08-27T18:12:25 < dongs> hmm
2014-08-27T18:12:32 < Claude> there are very low leakage tantals from avx
2014-08-27T18:12:55 < dongs> ya, they evne have a benchmark to tell you theirs is better
2014-08-27T18:12:55 < dongs> http://www.avx.com/tantalum/data/tech/benchmark.pdf
2014-08-27T18:12:58 < dongs> typical vendor garbage
2014-08-27T18:13:05 < Claude> my cr2032 (renata) seems to have no problems with the 25mA peak
2014-08-27T18:14:24 < dongs> hmm
2014-08-27T18:15:21 < Claude> ah 2x47u , TAJD476K016RNJ
2014-08-27T18:15:32 < Claude> thats the tantal i use
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2014-08-27T18:15:42 < dongs> you mean used
2014-08-27T18:15:51 < Claude> yep
2014-08-27T18:15:57 < dongs> damn ,thats rich
2014-08-27T18:16:04 < dongs> that'd be the most expensive part on that board
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2014-08-27T18:19:07 < qyx_> 6.3V 100uF is like 5x5mm, it could be placed near cr2032
2014-08-27T18:19:17 < dongs>   alu?
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2014-08-27T18:21:07 < dongs> i've got maybe 3x5mm max clerance around CR2032 corners. actually probably less cuz of the enclosure
2014-08-27T18:21:12 < dongs> shit, past my bedtime again
2014-08-27T18:21:20 < dongs> jpa's dogcollar thing just used random shit and worked ok
2014-08-27T18:21:57 < qyx_> Laurenceb_: hps and mh are usually not specified for hot restrike
2014-08-27T18:21:57 < qyx_> they use around 4.5kV, it takes around 5 min
2014-08-27T18:21:57 < dongs> and i've got even lower power stuff on it
2014-08-27T18:21:58 < qyx_> common automotive xenons can be safely restriked with 20-25kV
2014-08-27T18:21:58 < qyx_> and thats all i know
2014-08-27T18:22:24 < Laurenceb_> interesting
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2014-08-27T18:24:38 < dongs> ok zzz
2014-08-27T18:24:57 < Steffanx> my sensor thingy also used random stuff and it worked.
2014-08-27T18:24:59 < qyx_> nah, random 150uF alu cap 3uA leakage
2014-08-27T18:25:31 < Claude> @25C and 1/10th of the rated voltage?
2014-08-27T18:26:09 < qyx_> 10V rated voltage
2014-08-27T18:26:10 < qyx_> but 3uA is too much
2014-08-27T18:26:24 < qyx_> or maybe not that much
2014-08-27T18:27:19 < dongs> god damn thats terrible
2014-08-27T18:27:24 < dongs> so maybe i should just take all the caps out
2014-08-27T18:27:26 < dongs> of m y design
2014-08-27T18:27:28 < dongs> they're all useless anyway
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2014-08-27T18:32:23 < Laurenceb_> hmmm
2014-08-27T18:32:24 < Laurenceb_> http://www1.eere.energy.gov/buildings/appliance_standards/commercial/pdfs/hid_lamps/advance_2003b.pdf
2014-08-27T18:32:33 < Laurenceb_> looks doable?
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2014-08-27T18:45:54 < qyx_> wut, how does it do that with 5kV?
2014-08-27T18:45:55 < qyx_> also, it is for magnetic ballast
2014-08-27T18:45:55 < qyx_> you can get an electronic one for at low as 20-30e
2014-08-27T18:45:55 < qyx_> *as
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2014-08-27T18:51:36 < Laurenceb_> interesting
2014-08-27T18:52:16 < rewolff1> Dongs, the NPN transistor is required because you're switching > 5V. The two diodes and 1 100k resistor are indeed redundant. Hmm. D1, D2 and that 100k add extra functionality: You can read the switch when the system is on.... Maybe one diode can be omitted, but all components seem to have a function, given the requirements deduced from the schematic.
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2014-08-27T19:00:03 < karlp> Steffanx: yeah, I remmeber getting a enw refman with cat 1 to cat 5, and a super complicated table of what was which category
2014-08-27T19:00:06 < karlp> bit of a disaster
2014-08-27T19:00:56 < Claude> dongs , try to get 25V or so caps . the lower the applied voltage the lower the dcl
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2014-08-27T19:06:22 < GargantuaSauce_> just got a stack of copper clad boards from china
2014-08-27T19:06:24 < GargantuaSauce_> dat phenolic smell
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2014-08-27T19:48:14 < jpa-> dongs: the batteries on the dog collar were rated for 70 mA pulse
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2014-08-27T20:58:05 < Laurenceb_> https://www.youtube.com/watch?v=7XN52Jc06NQ
2014-08-27T20:58:14 < Laurenceb_> music level: emeb
2014-08-27T20:59:06 < emeb> squarepusher rules
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2014-08-27T21:19:18 < jadew> my DMA frustrations just ended, the chip won
2014-08-27T21:19:54 < jadew> you can't do TX on both USART1 and 6, because their TX signals are on the same channel
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2014-08-27T21:23:00 < scrts> maybe it's possible to interleave? :)
2014-08-27T21:23:33 < jadew> they need to be active at the same time
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2014-08-27T21:25:24 < Laurenceb_> interrupts
2014-08-27T21:25:45 < jadew> Laurenceb_, what do you mean?
2014-08-27T21:26:01 < Laurenceb_> use interrupts for one of the channels
2014-08-27T21:26:14 < jadew> how is that going to help me?
2014-08-27T21:26:54 < emeb> sounds like you want to do simultaneous TX DMA on both USART1 and USART6
2014-08-27T21:27:01 < jadew> exactly
2014-08-27T21:27:20 < emeb> but the DMA request routing puts both on the same DMA channel, so you can't target both at the same time.
2014-08-27T21:27:28 < jadew> exactly
2014-08-27T21:27:42 < emeb> Seems like a hardware limitation.
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2014-08-27T21:27:47 < jadew> it is
2014-08-27T21:27:54 < emeb> you can either do DMA on one and IRQ on the other
2014-08-27T21:28:09 < jadew> like on TXE?
2014-08-27T21:28:11 < emeb> or choose a different pair of USARTs that can be run DMA simultaneously.
2014-08-27T21:28:43 < jadew> emeb, their the only USARTs only two fastest usarts in the chip
2014-08-27T21:28:52 < emeb> yeah - TXE IRQ
2014-08-27T21:28:53 < jadew> *only two fastest, whatever you get the point
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2014-08-27T21:29:07 < jadew> yeah, this is going to be painful
2014-08-27T21:29:09 < emeb> it'll eat up CPU cycles, but it's the only way if you must use 1 & 6
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2014-08-27T21:31:47 < jadew> this family of chips is severly flawed
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2014-08-27T21:34:58 < jadew> I've wasted a lot of time on this already and it seems I keep running into brick walls
2014-08-27T21:35:03 < jadew> one bigger than the other
2014-08-27T21:42:44 < emeb> that's why we prototype - to see if what we want to do can be done with the materials we've chosen.
2014-08-27T21:42:58 < emeb> if not, find another way, or other materials.
2014-08-27T21:43:06 < jadew> emeb, yeah, but I've wasted so much freaking time on this prototype
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2014-08-27T21:43:56 < jadew> I had to work with an atmel arm cheap earlier in the project and that part was super straight forward
2014-08-27T21:44:05 < rewolff1> hey jadew....
2014-08-27T21:44:17 < jadew> *chip
2014-08-27T21:44:21 < jadew> hey rewolff1
2014-08-27T21:44:23 < rewolff1> as far as I know the TX double buffering should just work...
2014-08-27T21:44:54 < rewolff1> although I agree with the others earlier, that it is not as important on TX as it is on RX, but I don't think the chip knows the difference.....
2014-08-27T21:45:08 < jadew> rewolff1, the problem is that the DAM's "GO" signal is the same for USART1_TX and USART6_TX so if you want to have them both active, it won't work
2014-08-27T21:45:28 < rewolff1> Yeah. that's a different, and "more recent" problem.
2014-08-27T21:45:32 < jadew> because both USART6 and USART1 will trigger the stream
2014-08-27T21:45:49 < rewolff1> I was referring to your earlier "brick wall" about the double buffering....
2014-08-27T21:46:22 < jadew> rewolff1, it is important to have proper double buffering on TX too, otherwise you can't for example transfer data between two buses running at the same speed
2014-08-27T21:46:39 < jadew> because eventually your internal buffer will overflow, because of that improper double buffering
2014-08-27T21:47:21 < rewolff1> But have you found a fundamental restriction for the double buffering to be nto possible for TX?
2014-08-27T21:47:42 < rewolff1> Or is it simply that you haven't been able to get it to work.
2014-08-27T21:48:03 < jadew> rewolff1, I can get it work, it's just that it can't work properly
2014-08-27T21:48:07 < rewolff1> I'll admit that at the moment I'm not yet good enough with the STM chips that I can get it to "always" do what I want.
2014-08-27T21:48:29 < rewolff1> So sometimes I have to abort something: "can't get it to work".
2014-08-27T21:48:33 < jadew> you can either be behind the data generator by 1 full buffer or you have to incur delays between TX bursts
2014-08-27T21:48:34 < rewolff1> OK. Why won't it work?
2014-08-27T21:48:54 < jadew> because of the fixed buffer size
2014-08-27T21:49:07 < jadew> on the atmel chips for example you have two buffers + two counters
2014-08-27T21:49:14 < rewolff1> Hmm. ok.
2014-08-27T21:49:23 < jadew> when you have new data and the second DMA buffer is empty, you can just set the buffer and the count
2014-08-27T21:49:42 < jadew> next time when that second buffer is empty, you check what data you have, you put it there and you're good
2014-08-27T21:49:47 < rewolff1> Doesn't the "count" get copied into a shadow register when you start the DMA?
2014-08-27T21:49:49 < jadew> with the STM you can't even edit the buffers
2014-08-27T21:50:00 < jadew> the count is fixed and it's the same for both buffers
2014-08-27T21:50:14 < rewolff1> Yes, but doesn't it get copied into a shadow regsiter?
2014-08-27T21:50:25 < jadew> rewolff1, the atmel ones don't
2014-08-27T21:50:31 < jadew> you have r/w access to both of them
2014-08-27T21:50:49 < rewolff1> ie. you can change the visible register that gets copied into the shadow when the buffers swap?
2014-08-27T21:51:10 < jadew> rewolff1, yes on the atmel, no on the stm32
2014-08-27T21:51:27 < jadew> on the stm32 you can only change the buffers / unique count when DMA is stopped
2014-08-27T21:52:34 < jadew> compared to the atmel chips, it's a broken toy
2014-08-27T21:53:11 < jadew> then also earlier today, the USART disable thing, there's no way to tell when USART has finished its stuff after a DMA transfer
2014-08-27T21:55:28 < rewolff1> OK. You're right. The count register is readonly when DMA enabled.
2014-08-27T21:55:35 < rewolff1> So you have two requirements.
2014-08-27T21:55:45 < rewolff1> One: Full throughput.
2014-08-27T21:55:53 < rewolff1> So use double buffering with FULL buffers.
2014-08-27T21:56:08 < rewolff1> two: be able to transfer a "remainder"...
2014-08-27T21:56:40 < rewolff1> so when you don't have a full buffer, make the DMA stop after the current (half) buffer, and then reinitialize for the "remainder".
2014-08-27T21:57:15 < jadew> actually nr. 1 is not complete, full throughoutput with partial buffers, because if you wait for the buffer to get filled, you might wait until tomorrow, sometimes data gets generated at full speed, other times it doesn't, so you can't simply wait for the buffer to get filled indifinetly
2014-08-27T21:57:22 < rewolff1> Yes, you might have a small gap (if your interrupt is fast enough, the uart TX register and the shift register will buffer enough to keep the bits rolling)....
2014-08-27T21:57:35 < jadew> rewolff1, yeah, I know
2014-08-27T21:57:56 < rewolff1> So, when you see you have half a buffer, start off "half a buffer".
2014-08-27T21:58:10 < rewolff1> If by the time your buffer finishes you have a FULL buffer on the input side,
2014-08-27T21:58:27 < rewolff1> you'll have the opportunity to start the output process in double buffer mode.
2014-08-27T21:58:44 < rewolff1> (this will happen if the sending side starts to send "full blast".
2014-08-27T21:59:05 < rewolff1> You'll incur say half a buffer of "delay" by the time you notice it has started sending...
2014-08-27T21:59:06 < jadew> yeah, I know, I thought about it, but it's still very dodgy
2014-08-27T21:59:17 < jadew> especially since I can't have both usarts in DMA TX mode :)
2014-08-27T21:59:37 < rewolff1> and then you'll get a small extra delay before you start the fullblast double buffering mode...
2014-08-27T21:59:55 < rewolff1> Yes. That's a problem....
2014-08-27T22:00:17 < rewolff1> There is slightly too little "flexibility" in the DMA controller if you ask me....
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2014-08-27T22:00:27 < jadew> yeah
2014-08-27T22:00:36 < jadew> the atmel one is a joy
2014-08-27T22:00:45 < rewolff1> Hmm. ok.
2014-08-27T22:00:46 < jadew> you can configure it to double buffer all the time
2014-08-27T22:00:52 < jadew> and just use one of them if you want
2014-08-27T22:01:06 < jadew> for example you can always use the second one
2014-08-27T22:01:18 < jadew> and the chip will move your buffer to the first one when the first one is empty
2014-08-27T22:01:28 < jadew> then when you see the second one is empty, you can just re-fill it
2014-08-27T22:01:39 < jadew> so it gives you A LOT of time to do whatever you need to do
2014-08-27T22:02:16 < rewolff1> Yeah. that's the idea of double buffering....
2014-08-27T22:02:24 < jadew> yeah
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2014-08-27T22:03:05 < Steffanx> time to go back to atmel..
2014-08-27T22:03:26 < jadew> Steffanx, I might, I'm going to order a new board made around an atmel chip and give it a try next week
2014-08-27T22:03:38 < jadew> I'll struggle with this thing in the meantime
2014-08-27T22:03:38 < PaulFertser> What was that atmel arm chip btw?
2014-08-27T22:03:47 < jadew> PaulFertser, a sam3s
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2014-08-27T22:16:39 < jadew> hmm, I maybe I'm wrong
2014-08-27T22:16:49 < jadew> I hope I am
2014-08-27T22:16:50 < jadew> brb
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2014-08-27T22:19:24 < Steffanx> lol
2014-08-27T22:20:28 < jadew> :D if it works I'm going to sleep really well tonight
2014-08-27T22:23:57 < PaulFertser> jadew: you're lucky you do not have to work with milandr chips. They do not even have any means at all (no flag, no interrupt) to see if the transmission of a single byte is complete. If you're doing half-duplex rs-485, you have to wait specific baud-dependent amount of time after filling the tx buffer before turning of tx/enabling rx.
2014-08-27T22:24:34 < jadew> hah
2014-08-27T22:25:05 < jadew> PaulFertser, what are their strengths tho? I mean why would someone use them in a project?
2014-08-27T22:25:17 < PaulFertser> But their flash is quite fast, the whole 128Kb can be flashed in about 4 seconds via JTAG.
2014-08-27T22:25:29 < jadew> arm?
2014-08-27T22:25:42 < PaulFertser> jadew: russian military projects require russian components, and milandr is the only cortex-m microcontroller vendor in russia.
2014-08-27T22:25:52 < jadew> got it
2014-08-27T22:26:06 < PaulFertser> So those who would like to use something like stm32 have to settle on milandr solutions :)
2014-08-27T22:26:53 < jadew> weird that they'd sacrifice so much for... security I guess?
2014-08-27T22:28:22 < jadew> I mean.. it sounds like an awful chip
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--- Day changed Thu Aug 28 2014
2014-08-28T00:00:29 < Steffanx> so how will your sleep be tonight jadew?
2014-08-28T00:00:40 < jadew> Steffanx, don't know yet
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2014-08-28T00:16:33 < kakeman> where is freezing cold?
2014-08-28T00:19:18 < Fleck> in norway
2014-08-28T00:19:31 < Steffanx> finland
2014-08-28T00:20:26 < kakeman> ^ that guy
2014-08-28T00:20:32 < kakeman> over there
2014-08-28T00:20:53 < Steffanx> trace his hostname
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2014-08-28T00:23:18 < kakeman> do you guys use ssh+screen+irssi?
2014-08-28T00:23:36 < Steffanx> i used weechat for a while, but no longer.
2014-08-28T00:26:09 < kakeman> canada
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2014-08-28T00:27:32 < kakeman> http://www.ip-adress.com/ip_tracer/cpe602ad06bea2a-cm602ad06bea27.cpe.net.cable.rogers.com
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2014-08-28T00:36:23 < Steffanx> time to sleep in finland kakeman
2014-08-28T00:44:07 < kakeman> maybe
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2014-08-28T00:56:02 < kakeman> i'm too busy thinking penises and drawing connector library to sleep yet
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2014-08-28T01:06:30 < dongs> sup
2014-08-28T01:09:08 < kakeman> supsup
2014-08-28T01:11:34 < dongs> jpa-: ok, i see.
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2014-08-28T01:34:39 < kakeman> fever god damn
2014-08-28T01:37:17 < Steffanx> ..?
2014-08-28T01:44:59 < kakeman> there is no way to feel comfortable
2014-08-28T01:47:44 < kakeman> and feeling when you wake up in the morning
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2014-08-28T02:10:26 < dongs> http://gfycat.com/AdeptGiftedAphid laff
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2014-08-28T02:26:32 < baird> Tsumugi is an asshole.
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--- Log closed Thu Aug 28 06:03:02 2014
--- Log opened Thu Aug 28 06:03:09 2014
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2014-08-28T08:51:51 < dongs> http://imgur.com/a/ob5uJ
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2014-08-28T08:53:50 < PaulFertser> What's that shit? Looks kinda like wasps but different?
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2014-08-28T08:58:01 < dongs> some fucked up jap wasps
2014-08-28T08:58:13 < dongs> probably radiation-hardened
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2014-08-28T09:17:44 < dongs> http://i.imgur.com/gCNVMnR.jpg
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2014-08-28T10:36:42 < Fleck> http://www.heise.de/newsticker/meldung/Manipuliertes-Alteisen-Gefaelschte-Nvidia-Grafikkarten-in-deutschen-Shops-2302667.html
2014-08-28T10:36:54 < Fleck> must be dongs playing around
2014-08-28T10:38:09 < dongs> whats going on there
2014-08-28T10:38:14 < dongs> did he saw off half hte card?
2014-08-28T10:38:48 < Fleck> Several fake NVIDIA cards — probably GeForce GT 440 — have had their BIOS reflashed to report themselves as GeForce GTX 660. They were sold under the brand "GTX660 4096MB Nvidia Bulk" but only deliver 1/4 of the speed of a real GTX 660. Investigations are ongoing into who did the reflashing, but several hundred of them have already been sold and are now being recalled
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2014-08-28T11:04:47 < GargantuaSauce_> i spoiled myself and got some machined pin female headers instead of the grody fork-in-molded-plastic kind
2014-08-28T11:04:51 < GargantuaSauce_> and i might not be able to go bad
2014-08-28T11:05:14 < GargantuaSauce_> back*
2014-08-28T11:09:21 < dongs> one datasheet refers to clocking data on "1st edge / 2nd edge", another one "clock rise / clock fall", same thing rihgt/
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2014-08-28T11:11:27 < qyx_> if the first edge is rising, yes
2014-08-28T11:11:44 < qyx_> = if the idle state is L
2014-08-28T11:21:10 < dongs> fuck
2014-08-28T11:21:34 < dongs> just saw deal breaker, in fine print, DDR mode is only supported only up to 50 MHz (an equivalent to data rate clocked 100 MHz clock in SDR mode).
2014-08-28T11:21:44 < dongs> so its basically fucking USELESS
2014-08-28T11:22:28 < jpa-> less EMC and less power usage
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2014-08-28T11:25:03 < GargantuaSauce_> what are you innovating dongs
2014-08-28T11:27:20 < scrts_w> but more pins, plus termination stuff, etc...
2014-08-28T11:27:33 < scrts_w> on the other hand 50MHz would not require termination...
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2014-08-28T11:36:21 < dongs> scrts_w: doesnt matter, i need ~200mhz sdr or 100 ddr
2014-08-28T11:37:28 < dongs> W/S= 9/11 mils yay
2014-08-28T11:37:35 < dongs> best trace/space rule ever
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2014-08-28T11:45:14 < scrts_w> dongs: what processor?
2014-08-28T11:45:27 < scrts_w> forget SDR on 200MHz I'd say
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2014-08-28T12:08:29 < gnomad> scrts_w et al: http://www.elektor-magazine.com/fileadmin/E-book_AVR_Software_Defined_Radio.pdf
2014-08-28T12:13:08 < scrts_w> I have one idea of SDR with nvidia kit and altera kit...
2014-08-28T12:13:43 < scrts_w> but I whonder if dongs would be interested in lunix programming on jetson tk1 devkit :)
2014-08-28T12:14:29 < scrts_w> the idea is to push ADC data through PCIe, which would allow 2.5Gbps or 5Gbps dependent on generation and also number of lanes
2014-08-28T12:29:50 < Fleck> GargantuaSauce_: thx: http://im9.eu/picture/1e90edd36192047294548a145a0307147339af6ecd71791e4d7e6f6e1dc14873
2014-08-28T12:30:12 < GargantuaSauce_> running my code?
2014-08-28T12:30:17 < Fleck> yes
2014-08-28T12:30:22 < GargantuaSauce_> cool
2014-08-28T12:30:27 < GargantuaSauce_> which mcu?
2014-08-28T12:30:33 < Fleck> F407
2014-08-28T12:30:45 < GargantuaSauce_> do try out the mandelbrot/julia thing too then!
2014-08-28T12:31:44 < GargantuaSauce_> assuming you have hardfloats working
2014-08-28T12:33:14 < Fleck> what args to use for that function?
2014-08-28T12:34:04 < GargantuaSauce_> -1,-1,1,1 for starters i guess
2014-08-28T12:34:11 < Fleck> ok
2014-08-28T12:34:16 < Fleck> let me try
2014-08-28T12:35:42 < GargantuaSauce_> if it breaks you might have to decrease the number of iterations, the lcd doesnt like it if you pause for awhile in the middle of a write
2014-08-28T12:35:44 < Fleck> http://im9.eu/picture/d2cd6c7958f74e433f3c6cde4f2bbc81ed93a7d9e0535a74085ff503ccac6f10
2014-08-28T12:35:58 < GargantuaSauce_> :)
2014-08-28T12:36:44 < Fleck> :)
2014-08-28T12:36:58 < Fleck> now to figure - how to draw txt :/
2014-08-28T12:37:05 < GargantuaSauce_> heheh yeah that is less fun
2014-08-28T12:37:28 < GargantuaSauce_> just hardcode a simple raster font with a fixed size i think
2014-08-28T12:38:02 < baird> (-0.55 -0.55 0.1 0.1) and decreasing spans for the 0.1 is rather interesting too.
2014-08-28T12:39:20 < baird> However you have a lack of SpinninCubez
2014-08-28T12:39:35 < GargantuaSauce_> there's sauce for a spinning cube in there
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2014-08-28T12:41:23 < GargantuaSauce_> assuming you understand the lolgebra enough to use my shitty math lib
2014-08-28T12:42:40 < baird> http://kildall.apana.org.au/~cjb/stm32/ .. boing, (spinnin') bubbles, neko, hodge were all LCD demos I did last year.
2014-08-28T12:42:57 < GargantuaSauce_> oh nice
2014-08-28T12:43:48 < GargantuaSauce_> lol my transformation code is a lot more legible than that
2014-08-28T12:46:06 < GargantuaSauce_> man i need to revisit this laser stuff and do it properly
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2014-08-28T13:31:29 < Fleck> baird: you use uGFX?
2014-08-28T13:33:00 < baird> The pre-fork version. Haven't actually touched it since then.
2014-08-28T13:35:31 < dongs> beforeGNU version
2014-08-28T13:36:40 < baird> wasGNU version, it's proprietary now.
2014-08-28T13:37:04 < dongs> pr tjat
2014-08-28T13:37:05 < jpa-> yeah, beforeCrazyLicense
2014-08-28T13:37:05 < dongs> or that
2014-08-28T13:37:11 < dongs> whats the crazylicense now
2014-08-28T13:37:18 < jpa-> worse than gpl
2014-08-28T13:37:21 < dongs> giev cash to poor kawaii tectu?
2014-08-28T13:37:51 < jpa-> give all changes to tectu but have no freedom
2014-08-28T13:38:09 < dongs> http://www.hydrairc.com/content/developers this fuck has the worst license ever
2014-08-28T13:39:01 < jpa-> lol, and they call that open source :D
2014-08-28T13:39:13 < GargantuaSauce_> almost as good as 'gplv3 except if youre dominic'
2014-08-28T13:39:15 < dongs> more like open anus
2014-08-28T13:39:43 < dongs> GargantuaSauce_: totally
2014-08-28T13:40:31 < Laurenceb_> the screen shots are funny for hydrairc
2014-08-28T13:40:40 < Laurenceb_> or at least used to be
2014-08-28T13:40:54 < Laurenceb_> discussions of pron site hacking for free pronz
2014-08-28T13:41:20 < jpa-> i guess if your program is not totally crap already, you need to ruin it with a crazy license
2014-08-28T13:41:34 < jpa-> if it is totally crap, it can be open sores
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2014-08-28T13:42:57 < dongs> we were jsut talkin about you Tectu
2014-08-28T13:43:31 < Tectu> dongs, what is it?
2014-08-28T13:43:46 < dongs> complaining about uGFX license, of course
2014-08-28T13:43:51 < Tectu> ah, so the usual
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2014-08-28T13:47:58 < Tectu> jpa-, there are people out there who put their software under GPL and regret it a lot
2014-08-28T13:49:33 < zyp> the kind of people who get lots of users that makes them think «if I had a proprietary license on this I'd have a bunch of paying customers now»?
2014-08-28T13:49:42 < baird> Usually when they start hanging out with BSDHipsters.
2014-08-28T13:50:17 < zyp> bsd license is nice, it's kinda like wtfpl except with polite words
2014-08-28T13:53:44 < Laurenceb_> http://www.wtfpl.net/about/
2014-08-28T13:53:45 < Laurenceb_> heh
2014-08-28T13:54:13 < baird> And in practice, the users of BSD code ignore a clause or two.
2014-08-28T13:58:39 < Tectu> no, people who have software that cannot be linked to other software because of licensing crap mainly introduced by GPL
2014-08-28T14:00:16 < jpa-> Tectu: yes, i have the same kind of woes because of your crazy license; so, worse than gpl
2014-08-28T14:02:31 < Tectu> jpa-, if you could explain the issue you are facing (in private if you care), we can check. Most people have never read the entire GPL license and don't understand what they are allowed to do and what not. Same applies to other licenses
2014-08-28T14:03:12 < GargantuaSauce_> what really bakes my noodle is LGPL and platforms like android
2014-08-28T14:03:36 < Tectu> so often people are like "whoops, cannot use uGFX with crap XY" but in fact they could.
2014-08-28T14:03:45 < GargantuaSauce_> soooo many apps use lgpl libs but it's technically a violation because the terms require modularity
2014-08-28T14:03:52 < Tectu> emphasis on 'often'
2014-08-28T14:03:57 < jpa-> Tectu: cannot use ugfx with gpl code, and that is a fact
2014-08-28T14:04:56 < Tectu> jpa-, not 100% true. We are currently having long talks with a lawyer and it looks like it is possible
2014-08-28T14:05:32 < Tectu> jpa-, have you ever read the entire GPL license?
2014-08-28T14:06:04 < PaulFertser> I have, several times.
2014-08-28T14:06:12 < Tectu> PaulFertser, what's your opinion on GPL?
2014-08-28T14:06:51 < GargantuaSauce_> lol that's a very general question
2014-08-28T14:06:56 < PaulFertser> Tectu: it seems to serve the intended purpose afaict.
2014-08-28T14:07:19 < PaulFertser> I.e. being a universal enforcable copyleft license.
2014-08-28T14:07:32 < baird> And certainly, any programmer who has had access to Interwebs for a few years will have assimulated the experiences of others from GPL and FOSS licencing.
2014-08-28T14:07:38 < Tectu> PaulFertser, did you ever get around the thing of the copyright owner?
2014-08-28T14:07:44 < Tectu> PaulFertser, because even there it starts to get messy
2014-08-28T14:07:58 < zyp> Tectu, «Based on its restrictions it is also incompatible with just about every other license - including such ones as the Apache license or the BSD license, even when it is only going to be used mostly in open source, non-commercial projects.»
2014-08-28T14:08:11 < zyp> this makes it pretty hard to take you seriously at all
2014-08-28T14:08:18 < zyp> since it's blatantly wrong
2014-08-28T14:08:43 < Tectu> zyp, not all BSD revisions are GPL compatible
2014-08-28T14:08:56 < zyp> that doesn't change your point
2014-08-28T14:09:06 < zyp> or mine
2014-08-28T14:09:13 < jpa-> yes, it is deliberately misleading
2014-08-28T14:09:28 < jpa-> and yeah, it makes you seem either a liar or incompetent
2014-08-28T14:09:28 < baird> And regardless of licence, it becomes a "who wants to give code to Tectu, anyway?"
2014-08-28T14:10:09 < Tectu> <jpa-> Tectu: cannot use ugfx with gpl code, and that is a fact
2014-08-28T14:10:13 < Tectu> jpa-, so is that not true ^
2014-08-28T14:10:17 < PaulFertser> Tectu: the copyright law was choosen as a basis for GPL because it works internationally afaict. So what do you mean by "get around" here?
2014-08-28T14:10:35 < Tectu> starting by the famous exception. otherwise we couldn't use uGFX neither on FreeRTOS nor on ChibiOS
2014-08-28T14:10:37 < jpa-> Tectu: i haven't seen any indication to the opposite
2014-08-28T14:11:31 < jpa-> uh, freertos is not gpl?
2014-08-28T14:11:40 < jpa-> err
2014-08-28T14:11:44 < jpa-> nevermind
2014-08-28T14:11:52 < jpa-> gpl+exception, just remembered wrong
2014-08-28T14:11:58 < dongs> https://www.youtube.com/watch?v=05hTBAOnDQE fucking great
2014-08-28T14:12:10 < dongs> Tectu: i've got the best ecxeption to GPL
2014-08-28T14:12:13 < PaulFertser> I think distributing GPL firmware in binary form (linked with uGFX) would be violation as it would fall under "Commercial Use".
2014-08-28T14:12:25 < dongs> Tectu: https://github.com/multiwii/baseflight/blob/master/README.md
2014-08-28T14:13:55 < Tectu> :D
2014-08-28T14:14:04 < Tectu> PaulFertser, just checking something, just a mom
2014-08-28T14:15:21 < Tectu> As GPL depends on copyright law to give it any teeth, only copyright
2014-08-28T14:15:21 < Tectu> holders can actually enforce the GPL. This has made it very hard to
2014-08-28T14:15:21 < Tectu> enforce the GP in most Linux situations because the actual copyright
2014-08-28T14:15:21 < Tectu> on any single body of code is rather confused (ie. If a driver was
2014-08-28T14:15:21 < Tectu> first written by A, then vastly rewritten by B, with future additions
2014-08-28T14:15:22 < Tectu> by C, and a few tweaks by D, then who of A..D are copyright holders?).
2014-08-28T14:15:42 < Tectu> PaulFertser, where's your glory GPL there?
2014-08-28T14:15:57 < jpa-> all
2014-08-28T14:15:58 < zyp> Tectu, everybody
2014-08-28T14:16:01 < effractur> all of them are copyright holders on there code
2014-08-28T14:16:17 < effractur> but if all the code from A is removed he is no longer a copyright holder
2014-08-28T14:16:26 < effractur> VLC has there a great post for
2014-08-28T14:16:34 < GargantuaSauce_> there's something about saucelicensing that totally precludes sane discussion
2014-08-28T14:16:42 < Tectu> effractur, link? Always happy to learn new things
2014-08-28T14:16:44 < effractur> https://www.videolan.org/license/
2014-08-28T14:17:02 < dongs> i dont give a fuck what shit is licensed under unless people touching it are dicks
2014-08-28T14:17:14 < effractur> http://www.openlogic.com/blog/bid/247623/VLC-License-Change-A-lesson-in-perseverance
2014-08-28T14:17:32 < Tectu> dongs, the hydraBus guy made you go mad? :D
2014-08-28T14:17:36 < effractur> all the code from the people who disagreed, the code was removed
2014-08-28T14:17:43 < dongs> Tectu: hydrairc. no idea wat hydrabus is
2014-08-28T14:19:28 < PaulFertser> jpa-: what clause would be violated if there was a GPL project that would only distribute sources to be linked with uGFX by the end-user?
2014-08-28T14:20:46 < jpa-> PaulFertser: i haven't seen any end-users of embedded devices linking code lately
2014-08-28T14:21:15 < PaulFertser> BMP users compiling from the sources e.g.
2014-08-28T14:21:42 < Tectu> jpa-, nvm
2014-08-28T14:21:46 < Tectu> dongs, ^
2014-08-28T14:22:06 < jpa-> PaulFertser: true
2014-08-28T14:22:08 < PaulFertser> Or there's an exception for open hardware projects.
2014-08-28T14:22:27 < PaulFertser> So if the firmware is GPL'd but the hardware is open too, it looks like you can ship it with uGFX.
2014-08-28T14:22:40 < jpa-> i don't think the open hardware exception can in any way make it gpl compatible
2014-08-28T14:22:47 < jpa-> because if it did, i could fork it under gpl
2014-08-28T14:23:18 < GargantuaSauce_> yeah "gpl compatible" -> distributable under the terms of the gpl
2014-08-28T14:23:23 < jpa-> (the real gpl, not some watered down version)
2014-08-28T14:25:40 < qyx_> dongs: whos dominic clifton and what did he to you?
2014-08-28T14:25:49 < qyx_> *do
2014-08-28T14:26:48 < dongs> qyx, some idiot brogramer who cant get a job
2014-08-28T14:27:04 < Laurenceb_> can anyone link me to a tutorial showing how to connect to a bluetooth serial module under windows
2014-08-28T14:27:08 < Laurenceb_> with screenshots
2014-08-28T14:27:31 < Tectu> http://support.microsoft.com/kb/971762
2014-08-28T14:27:44 < Laurenceb_> haha
2014-08-28T14:28:32 < BrainDamage> https://support.microsoft.com/kb/314458
2014-08-28T14:28:46 < Steffanx> Haha, i love microsoft
2014-08-28T14:29:07 < Laurenceb_> epic troll level
2014-08-28T14:29:35 < Tectu> BrainDamage, lol'd
2014-08-28T14:31:03 < PaulFertser> jpa-: do you mean one can't legally distribute a binary that has a GPL'd app linked with a proprietary lib? Hm.
2014-08-28T14:31:28 < GargantuaSauce_> i believe that is the case
2014-08-28T14:31:37 < GargantuaSauce_> that's why the LGPL exists
2014-08-28T14:31:41 < jpa-> PaulFertser: yes, pretty much how gpl works
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2014-08-28T14:34:55 < PaulFertser> jpa-: so what if one dual-licenses the firmware with another license covering specifically the linked binaries?
2014-08-28T14:36:05 < jpa-> only possible if the gpl is imposed by the author of the application, and not by some other library
2014-08-28T14:36:25 < jpa-> gpl only works as long as the licenses co-operate, like apache license does
2014-08-28T14:36:26 < PaulFertser> Right
2014-08-28T14:44:26 < PaulFertser> dongs: I now have a damn wasp wondering around my apartment
2014-08-28T14:44:32 < dongs> PaulFertser: cool
2014-08-28T14:44:36 < dongs> blame TiVa
2014-08-28T14:44:40 < jpa-> what does it wonder about?
2014-08-28T14:44:56 < dongs> these leds on this board are so fucking bright i have to put something over it before shit blinds me
2014-08-28T14:44:58 < PaulFertser> No idea, just cruising.
2014-08-28T14:45:05 < dongs> i need to stop using 100R resistors for 3.3V to leds
2014-08-28T14:45:15 < dongs> i think that gives them like over 9000mA
2014-08-28T14:45:42 < dongs> was cleaning off my desk this evening
2014-08-28T14:45:45 < dongs> and had an amazing fuckup
2014-08-28T14:46:01 < dongs> dropped +10V current limited to 4A from power supply onto metal pliers
2014-08-28T14:46:06 < dongs> which were touching some pad on a board
2014-08-28T14:46:10 < dongs> which was connected to PC USB
2014-08-28T14:46:30 < dongs> could have been much worse.
2014-08-28T14:47:24 < GargantuaSauce_> polyfuses are wonderful things eh
2014-08-28T14:48:45 < Claude> ah fried a rpi that way some weeks ago , first time i found a actual use for my rpi (dvb-s modulator) and i fried it :)
2014-08-28T14:48:57 < dongs> dvb-s modulator?
2014-08-28T14:48:58 < dongs> using what
2014-08-28T14:49:08 < dongs> surely not buttbang gpio on it?
2014-08-28T14:49:11 < Claude> rpi gpios ;)
2014-08-28T14:49:15 < dongs> fuck off
2014-08-28T14:49:18 < Claude> nah
2014-08-28T14:49:31 < dongs> link or it didnt happen
2014-08-28T14:49:45 < Claude> yeah well only generating I/Q signals with the rpi , modulation is external
2014-08-28T14:50:08 < dongs> oh that thing
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2014-08-28T14:50:12 < dongs> IT950x?
2014-08-28T14:50:27 < Claude> nope one moment ...
2014-08-28T14:51:12 < Claude> http://www.vivadatv.org//viewtopic.php?f=75&t=293
2014-08-28T14:51:22 < Claude> http://www.g8ajn.tv/dlindex.html
2014-08-28T14:51:36 < dongs> ya it is same shit
2014-08-28T14:51:48 < Claude> to much lag for fpv ;)
2014-08-28T14:54:18 < dongs> i
2014-08-28T14:54:27 < dongs> i've had that it950x hardware for over a year now :(
2014-08-28T14:54:42 < Claude> thats the single chip dvb-t stuff?
2014-08-28T14:54:43 < dongs> never made anything useful with it
2014-08-28T14:54:44 < dongs> yeah
2014-08-28T14:56:51 -!- kuldeepdhaka [~kuldeepdh@unaffiliated/kuldeepdhaka] has quit [Ping timeout: 255 seconds]
2014-08-28T14:57:50 < Claude> anyhow i dumped that dvb-s idea in the end , my quad "downlink" has only ~6MHz BW, too narrow for dvb-s, was trying to get some dvb-s 'baseband' working over my exsisting analog fpv transmitter
2014-08-28T14:58:40 < GargantuaSauce_> oh that reminds me
2014-08-28T14:58:45 < Claude> these digilite modulators have about 20Mhz bw on the 'exciter' end
2014-08-28T14:59:14 < GargantuaSauce_> dongs you were looking at dvb-t transmission for reception with consumer devices right? did those ideas ever come to fruition
2014-08-28T15:00:01 < dongs> yeah, like i said
2014-08-28T15:00:08 < dongs> i have all teh shit just no time ot dick with it
2014-08-28T15:00:11 < dongs> its totally possible
2014-08-28T15:00:15 < dongs> as those rpifgts are doing
2014-08-28T15:00:43 < GargantuaSauce_> strikes me as a way better solution than the analog dickery that the rc people do
2014-08-28T15:01:16 < dongs> ya well
2014-08-28T15:01:19 < Claude> bitbang dvb-t with a vga card :) http://bellard.org/dvbt/
2014-08-28T15:01:25 < dongs> old
2014-08-28T15:01:33 < Claude> yeah
2014-08-28T15:01:50 < dongs> that landed him a job at dektec, and now his code is driving all thier software modulators
2014-08-28T15:02:06 < GargantuaSauce_> guess i should add this to my list
2014-08-28T15:02:08 < Claude> ah interesting
2014-08-28T15:02:14 < GargantuaSauce_> ...wait it's already there
2014-08-28T15:02:28 < dongs> modulations for all terrestrial/satellite formats
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2014-08-28T15:08:40 < dongs> sup franec
2014-08-28T15:10:16 < dongs>  can someone tell me how to turn http://forum.ixbt.com/print/0028/027339.html into normal forum style
2014-08-28T15:11:22 < Steffanx> click link in top
2014-08-28T15:11:26 < GargantuaSauce_> http://forum.ixbt.com/topic.cgi?id=28:27339
2014-08-28T15:11:34 < GargantuaSauce_> or just dick with the url
2014-08-28T15:11:35 < Steffanx> which says: URL: ....
2014-08-28T15:11:47 < dongs> oh lawl
2014-08-28T15:11:49 < dongs> thank you
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2014-08-28T17:39:36 < Laurenceb_> http://idle-beta.slashdot.org/story/14/08/28/0334233/indiana-university-researchers-get-1-million-grant-to-study-memes
2014-08-28T17:40:08 < gxti> nice url, i can tell it's crap without wasting any bandwidth
2014-08-28T17:42:38 < PaulFertser> And then the results will be used by the filthy politicians and businessmen trying to control minds to sell their shit.
2014-08-28T17:44:03 < gxti> ok
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2014-08-28T18:01:55 < Laurenceb_> http://ukamsat.files.wordpress.com/2014/08/jamsat-stand-at-tokyo-ham-radio-fair-2014.jpg?w=593&h=444
2014-08-28T18:01:58 < Laurenceb_> hmm jam
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2014-08-28T18:14:46 < jadew> any idea why creating two buffers of 60k each might corrupt the memory?
2014-08-28T18:15:20 < PaulFertser> Sometimes memory corruptions are easy to catch with "watchpoint" when live-debugging.
2014-08-28T18:15:48 < jadew> what's watchpoint?
2014-08-28T18:16:15 < PaulFertser> It's like a breakpoint but the target will stop on writing some specific memory location.
2014-08-28T18:16:31 < jadew> ah, so memory break point, didn't know you could have that
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2014-08-28T18:25:42 < jpa-> jadew: are you creating them on stack or static/heap?
2014-08-28T18:25:47 < jadew> jpa-, on the stack
2014-08-28T18:25:56 < jpa-> uh.. how much stack do you have allocated?
2014-08-28T18:26:11 < jadew> that I do not know, I thought it's taken care automatically
2014-08-28T18:26:24 < jadew> I guess I should look into that, eh? :)
2014-08-28T18:26:26 < jadew> thanks
2014-08-28T18:26:35 < jpa-> no, not really.. stack overflows aren't checked automatically except in some RTOS systems
2014-08-28T18:26:59 < jpa-> if you are running bare metal, usually everything that is not otherwise allocated is available for stack
2014-08-28T18:27:01 < jadew> no I meant, the stack allocation
2014-08-28T18:27:09 < jadew> I was under the impression that it's not managed in any way
2014-08-28T18:27:16 < jadew> as in... stack goes from top to bottom
2014-08-28T18:27:19 < jpa-> so arm-none-eabi-size -t on the .elf will give you data+bss usage, and then subtract that from your total ram amount
2014-08-28T18:27:20 < jadew> heap from bottom to top
2014-08-28T18:27:25 < jadew> and its your job to make sure they don't clash
2014-08-28T18:27:32 < jpa-> yes.. did you make sure?
2014-08-28T18:27:43 < jadew> no
2014-08-28T18:27:46 < jpa-> :)
2014-08-28T18:27:47 < jadew> I just assumed :)
2014-08-28T18:27:49 < PaulFertser> jpa-: it appears that with the current newlib-nano as packaged by g-a-e malloc actually checks for overflowing the stack.
2014-08-28T18:28:05 < jpa-> PaulFertser: i guess only when you call the malloc?
2014-08-28T18:28:10 < PaulFertser> Yes
2014-08-28T18:28:15 < jpa-> so if you malloc first and overflow then, will not be caught
2014-08-28T18:28:20 < PaulFertser> Indeed
2014-08-28T18:29:03 < jpa-> jadew: generally i would recommend allocating big buffers statically
2014-08-28T18:29:26 < jpa-> though of course situations vary
2014-08-28T18:29:45 < jadew> jpa-, I know, but I was hoping to reuse that space in various configuration with out worrying about manually allocating it
2014-08-28T18:29:52 < jpa-> yeah
2014-08-28T18:30:15 < jpa-> problem with stack allocations is that it is difficult to check ahead of time whether you have enough memory
2014-08-28T18:30:28 < jadew> I kinda know I do
2014-08-28T18:31:09 < jadew> 196k of sram, 120k the buffer, the program is non-recursive and it eats about 12k for state and other static buffers
2014-08-28T18:31:21 < jadew> so there should be plenty of head room
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2014-08-28T18:33:47 < jadew> 2.7k data, 10k bss
2014-08-28T18:36:15 < Laurenceb_> apparently this is why toyota brakes would fail
2014-08-28T18:36:26 < jadew> stack overflow?
2014-08-28T18:36:28 < Laurenceb_> stack/heap collision
2014-08-28T18:36:29 < Laurenceb_> yes
2014-08-28T18:36:34 < jadew> heh
2014-08-28T18:37:01 < jadew> it's tricky to keep track of it, but not impossible
2014-08-28T18:38:42 < jadew> I'm trying to figure out where it could be defined, but I can't find it
2014-08-28T18:38:54 < jadew> why would it be moved tho?
2014-08-28T18:41:01 < Laurenceb_> check your linker script
2014-08-28T18:41:43 < jadew> if I can find it
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2014-08-28T18:50:17 < _Sync_> huh Laurenceb_?
2014-08-28T18:50:54 < Laurenceb_> or your startup code...
2014-08-28T18:51:05 < jadew> already checked that
2014-08-28T18:51:23 < jadew> no mention of stack relocation
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2014-08-28T18:56:03 < jadew> ah ha
2014-08-28T18:56:16 < jadew> 112k of sram
2014-08-28T18:56:28 < jadew> 16k of sram2 - any idea what it is?
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2014-08-28T18:56:48 < jadew> 64k of ccm and 4k backupsram
2014-08-28T18:57:00 < jadew> and the stack starts where sram2 starts
2014-08-28T18:57:09 < jadew> so it only expands within SRAM1
2014-08-28T18:57:29 < jadew> now... what is SRAM2 and why is it there?
2014-08-28T18:58:10 < jpa-> CCM is there to troll you
2014-08-28T18:58:30 < jadew> yeah, I noticed
2014-08-28T18:58:54 < jpa-> sram2 is because they were like "hey we need more ram lets make it difficult to use!"
2014-08-28T18:59:09 < jpa-> though maybe it was adjancent
2014-08-28T19:00:12 < jadew> so... would there be an issue if I just removed that thing, increased the length of SRAM1 and have the stack pointer start there?
2014-08-28T19:00:38 < jadew> hmm, or maybe it's like different silicon?
2014-08-28T19:00:48 < jadew> and SRAM1 has better timing or something?
2014-08-28T19:01:24 < jpa-> check the system diagram in reference manual, maybe there were differences in peripheral/dma access
2014-08-28T19:01:41 < jadew> AH! you're right
2014-08-28T19:01:52 < jadew> I remember now, I believe that's the part that can't be accessed by all peripherals
2014-08-28T19:02:10 < jpa-> so is ccm
2014-08-28T19:02:21 < jpa-> trollram
2014-08-28T19:02:26 < jadew> heh
2014-08-28T19:03:00 < jpa-> putting stack on CCM is usually the most reasonable approach
2014-08-28T19:03:39 < jadew> does it work?
2014-08-28T19:04:14 < jpa-> sure, as long as you don't do DMA on stack buffers
2014-08-28T19:04:14 < jadew> is it otherwise unused?
2014-08-28T19:04:19 < jpa-> yes
2014-08-28T19:04:28 < jadew> interresting
2014-08-28T19:04:38 < jpa-> (doing DMA on stack buffers is pretty useless unless you are using an RTOS)
2014-08-28T19:04:47 < jadew> well, those buffers were for DMA to begin with, so I guess I'll stick to the SRAM1
2014-08-28T19:05:12 < jpa-> i still think that putting 120kB of buffers on stack is just gonna cause headache
2014-08-28T19:05:32 < jadew> jpa-, well turns out I don't have that much stack anyway
2014-08-28T19:05:39 < jpa-> yep
2014-08-28T19:06:40 < jadew> I could make them static, but that means I either commit to "this is for this and this is for that" or that I define various pointers inside this memory
2014-08-28T19:07:23 < jadew> hmm, actually I believe I could do that easily
2014-08-28T19:08:47 < jpa-> sometimes i do just   uint8_t scrap_area[32768];   and then   do_thing_1(foobar, scrap_area);   do_thing_2(xyzzy, scrap_area);
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2014-08-28T19:18:55 < jadew> sorry, went afk for a bit
2014-08-28T19:22:41 < jadew> jpa-, yeah, I could create different structures and assign poniters of those types to the pre-allocated memory blocks
2014-08-28T19:23:23 < jadew> but it still feels simpler to just allocate the buffers on the stack
2014-08-28T19:23:53 < jadew> at least now I know what's the upper limit
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2014-08-28T19:32:29 < jadew> thanks guys
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2014-08-28T19:46:57 < PaulFertser> jadew: can malloc() be of use here? Granted, newlib implementation is very simplistic but if you alloc and then dealloc everything, you won't get fragmentation.
2014-08-28T19:48:29 < jadew> PaulFertser, it would be the same, just that instead of allocating those buffers from the top (via the stack)
2014-08-28T19:48:37 < jadew> it would allocate them from the bottom (via the heap)
2014-08-28T19:49:30 < jadew> with the stack there's 0 fragmentation, and no need for deallocation, when the function returns the sp is moved back (up) to where it was when the function started
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2014-08-28T19:57:22 < PaulFertser> jadew: yes, but with malloc you can at least check if the memory was allocated or not.
2014-08-28T19:58:37 < jadew> PaulFertser, yeah, but I'm not worried about not knowing what's in there, the memory space is very predictable in my application
2014-08-28T19:59:32 < PaulFertser> jadew: then huge stack allocations should be fine :)
2014-08-28T19:59:36 < jadew> I'm not using any mallocs, so the heap is only occupied by the static data, which... doesn't grow and then there's the stack
2014-08-28T19:59:36 < PaulFertser> Or am I wrong here?
2014-08-28T19:59:41 < jadew> no, you're right
2014-08-28T19:59:50 < PaulFertser> BTW, what have you come up with to read that DR register?
2014-08-28T20:00:09 < jadew> I think it may be the cleanest way of doing it
2014-08-28T20:00:17 < PaulFertser> I think you can just add some inline assembly and read to arbitrary register and just tell GCC that asm() is clobbering it?
2014-08-28T20:00:58 < jadew> I considered doing that, but it turns out you can just do WHATEVER->DR; and it reads it
2014-08-28T20:01:23 < jadew> does that with -O3 too, with out optimizing it out
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2014-08-28T20:03:49 < PaulFertser> I wonder if -O3 is better than -Os, it looks like better code density is beneficial on CM3.
2014-08-28T20:04:39 < jadew> you know what.. you might be right on that one, I didn't have time to test it out, but I did notice some strange behaviour related to timing
2014-08-28T20:04:47 < PaulFertser> I assume you're right with your volatile remark yesterday, it really doesn't guarantee that accessing DR anyhow should force it.
2014-08-28T20:05:06 < jadew> yeah
2014-08-28T20:05:17 < jadew> but seems to work so that's good enough for now
2014-08-28T20:05:29 < jadew> I don't think they'll change the behaviour anytime soon either
2014-08-28T20:05:54 < jadew> mainly because it's much simpler to just let it be than figure out if it should be removed or not
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2014-08-28T20:07:04 < PaulFertser> There should be some reliable way to tell gcc that some location is a memory-mapped register, and it seems like volatile is the way to do it currently.
2014-08-28T20:07:32 < jadew> yeah
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2014-08-28T20:13:59 < jadew> on the same note, another thing I'm afraid of doing is declaring const methods when I'm doing registry access from them
2014-08-28T20:14:23 < PaulFertser> jadew: reading actual C99, it seems like volatile is indeed the correct way here.
2014-08-28T20:14:46 < jadew> PaulFertser, what does it say?
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2014-08-28T20:14:59 < PaulFertser> i'm not sure how to copy-paste from mupdf :(
2014-08-28T20:15:53 < PaulFertser> Basically, that it can be changing in unknown ways on its own.
2014-08-28T20:16:15 < jadew> yeah
2014-08-28T20:16:49 < jadew> that's why it's not being optimized when you're doing a = volatile_var; b = volatile_var; it will load it twice
2014-08-28T20:17:11 < jadew> but that doesn't give you any guarantee that if you do volatile_var; the compiler won't think that it's useless
2014-08-28T20:17:56 < jadew> in the first case you're actually using its value, in the second one it's unknown
2014-08-28T20:20:01 < jadew> anyway I guess it's safe to assume that any volatile access doesn't get optimized out
2014-08-28T20:20:20 < PaulFertser> jadew: "any expression referring to such an object shall be evaluated strictly according to the rules of the abstract machine"
2014-08-28T20:20:54 < jadew> PaulFertser, got it
2014-08-28T20:21:02 < jadew> then it's clear :)
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2014-08-28T20:39:06 < Laurenceb_> http://hackaday.com/2014/08/27/3d-printing-a-beautiful-prosthetic-hand-for-a-stranger/#comments
2014-08-28T20:39:08 < Laurenceb_> epicness
2014-08-28T20:39:16 < Laurenceb_> the trollercoaster
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2014-08-28T21:38:03 < scrts> what a stupid situation... I've used 250ms timer instead of 100ms, which is default in LwIP. Now all the timings are 2.5 times slower... I can't change the timer interval due to other restrictions :(
2014-08-28T21:38:16 < scrts> and I can't decrease the counters by 2.5 obviously
2014-08-28T21:38:17 < scrts> :))
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2014-08-28T23:15:13 < gxti> scrts: afaik it doesn't presuppose any particular interval
2014-08-28T23:15:27 < scrts> for IGMP protocol it does...
2014-08-28T23:15:58 < gxti> where
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2014-08-28T23:16:39 < gxti> oh, i see i t
2014-08-28T23:16:49 < gxti> get creative :p
2014-08-28T23:17:06 < gxti> 250ms is pretty coarse
2014-08-28T23:17:23 < scrts> well the limits there are defined in seconds, so...
2014-08-28T23:18:06 < gxti> you don't need exactly 100ms timers by any stretch, i'm using 10ms systick. but if it's longer than 100ms it won't get called as frequently as it wants.
2014-08-28T23:18:10 < scrts> the problem is that there's #define in header file of timer interval... but it's not used anywhere so all the code assumes that there's 100ms timer
2014-08-28T23:18:32 < gxti> it does use the lwip timer infrastructure which deals with checking each timer to see if it needs to run
2014-08-28T23:18:55 < gxti> so as long as you define sys_now to return the time in milliseconds stuff works. but not if your interval is too long.
2014-08-28T23:19:20 < scrts> also there's rand() % max_time used.. so I couldn't understand why my messages are too late... I get max_time 10 seconds, but my replies are sent in 20-40 sec interval... couldn't understand wtf
2014-08-28T23:19:50 < scrts> I don't use sys_now().. I update all the timers functions in my timer irq
2014-08-28T23:20:37 < gxti> so it's self-inflicted pain
2014-08-28T23:20:44 < gxti> don't do that
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--- Day changed Fri Aug 29 2014
2014-08-29T00:06:47 < scrts> that came with the example... and I didn't analyze it well... it worked for basic tasks
2014-08-29T00:12:36 < gxti> even with NO_SYS (which i use) you should use the timer system (sys_check_timeouts)
2014-08-29T00:12:54 < gxti> although it looks like i'm calling it once per second which is even worse :p
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2014-08-29T00:26:32 < Tectu> http://i.imgur.com/EXPNqEG.jpg
2014-08-29T00:27:37 < qyx_> Tectu: trying to copy our floods?
2014-08-29T00:27:40 < qyx_> too low water level
2014-08-29T00:28:15 < Tectu> qyx_, nah, this is normal water level
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2014-08-29T00:33:04 < qyx_> if you run out of rocks, come to take some
2014-08-29T00:33:05 < qyx_> http://img.cas.sk/img/12/galleryBig/2119219_zosuv-pody-vratna-dolina-dazd-dazde.jpg?time=1406835232&hash=3b7a02ceea3ac8c968bc786fec6bd5ec
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2014-08-29T00:35:38 < qyx_> also this http://img.aktuality.sk/stories/NAJNOVSIE_FOTKY/UDALOSTI/vratna_povodne_nasledky_sita.jpg
2014-08-29T00:36:30 < gxti> 'free time zone' is a place i would like to be
2014-08-29T00:43:17 < Tectu> qyx_, holy crap...
2014-08-29T00:43:20 < BrainDamage>  damn, I was about to say like "that scenario tectu linked is not too different from here", then I actually remembered he's actually close :p
2014-08-29T00:43:55 < BrainDamage> plz move k?
2014-08-29T00:44:37 < Steffanx> be nice to our one and only Tectu mr BrainDamage
2014-08-29T00:45:41 < Tectu> BrainDamage...
2014-08-29T00:46:05 < Tectu> this is even closer to me:  http://i.imgur.com/j9esDYI.jpg
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2014-08-29T00:46:37 < Steffanx> what's that Tectu?
2014-08-29T00:46:57 < Tectu> Steffanx, glacier
2014-08-29T00:47:06 < Steffanx> was going to ask that but .. didnt know the english word :P
2014-08-29T00:47:46 < Tectu> D
2014-08-29T00:47:48 < Tectu> :D
2014-08-29T00:48:46 < BrainDamage> https://www.dropbox.com/s/r1l5l1fod3a4yej/lake.jpg?dl=0 https://www.dropbox.com/s/reyb4scs7x93zdm/IMG_20110816_114418.jpg?dl=0 https://www.dropbox.com/s/tqe49gpfdqj6lmf/IMG_20110728_115535.jpg?dl=0
2014-08-29T00:49:20 < Tectu> been there
2014-08-29T00:49:24 < Tectu> "como" or how is it called?
2014-08-29T00:51:17 < BrainDamage> yes
2014-08-29T00:51:40 < Tectu> you could have invited me for a coffe you know
2014-08-29T00:51:42 < Tectu> :P
2014-08-29T00:51:53 < BrainDamage> sorry, no kawaii coffee
2014-08-29T00:54:50 < Steffanx> mountains are so overrated, behold of the flatness: http://www.molema-smit.nl/sites/default/files/tussenklappen_12714-01.jpg :P
2014-08-29T00:55:23 < _Sync_> yeah the highest elevation in .nl is nearly in aachen
2014-08-29T00:55:43 < zyp> heh
2014-08-29T01:06:26 < qyx_> still below 0m asl?
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2014-08-29T01:11:48 < Steffanx> whats asl qyx_?
2014-08-29T01:11:55 < BrainDamage> as sea level
2014-08-29T01:12:05 < BrainDamage> either that, or he plans to hit on you
2014-08-29T01:12:57 < Steffanx> We have our own reference: NAP and it seems the highest point is 330something above that
2014-08-29T01:13:10 < Steffanx> meters that is
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2014-08-29T01:17:55 < qyx_> asl = above sea level, agl = above ground level
2014-08-29T01:18:03 < qyx_> or age, sex, location :P
2014-08-29T01:18:40 < BrainDamage> see, he was planning to hit on you
2014-08-29T01:18:48 < qyx_> or msl, mean sea level
2014-08-29T01:20:20 < dongs> qyx_: lol wat happened in thos pix
2014-08-29T01:21:11 < Steffanx> design flaw by mother nature..
2014-08-29T01:21:19 < qyx_> a bit of water falled from the sky
2014-08-29T01:21:42 < Steffanx> or did she repair the damage done by humans?
2014-08-29T01:21:57 < Steffanx> *started to repair
2014-08-29T01:22:40 < qyx_> no, that was near national park
2014-08-29T01:22:49 < qyx_> http://www.zilinak.sk/assets/images/posts/img-1/letecky-zaber-z-vratnej-doliny-voda-utrhla-cast-svahu.jpg
2014-08-29T01:23:23 < qyx_> a part of hills came down
2014-08-29T01:23:40 < dongs> nice
2014-08-29T01:27:56 < Steffanx> your mind is broken dongs, but i guess you already knew that.... "nice".
2014-08-29T01:29:14 < dongs> http://www.aliexpress.com/item/Special-explosion-models-3-7V-lithium-polymer-battery/1683092897.html retweeting
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2014-08-29T01:38:36 < jadew> man... gcc is so freaking weird, I added 2 fields to a structure, added like 20 lines of code that actually gets hit, didn't remove anything. The size of the binary drops by 792 bytes.
2014-08-29T01:39:45 < jadew> I noticed this kind of optimization weirdness before, but never that drastic for so little change
2014-08-29T01:40:55 < jadew> maybe if I keep adding code, it will shrink so much I can use a cheapper chip :P
2014-08-29T01:40:57 < fbs> padding?
2014-08-29T01:41:36 < jadew> fbs, I don't know, it's possible it's doing code compression as well
2014-08-29T01:41:52 < jadew> like mixing parts of code from various places
2014-08-29T01:42:10 < jadew> so when I added that new code some pattern started to make sense
2014-08-29T01:42:45 < jadew> I don't know if gcc does that, but other compilers do it
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2014-08-29T03:48:53 < emeb_mac> no chatz
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2014-08-29T03:54:23 < emeb_mac> av500 is busy: http://www.pcworld.com/article/2600300/archos-preps-149-windows-tablet-new-windows-phone.html
2014-08-29T03:54:48 < dongs> av500?
2014-08-29T03:55:16 < emeb_mac> wrong window - nick of a guy from archos in another chl
2014-08-29T03:55:22 < dongs> ah
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2014-08-29T04:08:54 < dongs> laff, neptune pine is deader than *BSD. samsung released gearS or someshit with curved oled and T IZEN
2014-08-29T04:14:06 < dongs> is www.analogix.com ded 4 u
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2014-08-29T04:24:34 < emeb_mac> trying to remember the name of some outfit that sells embedded stuffs
2014-08-29T04:24:40 < emeb_mac> has "dragon" in the name
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2014-08-29T04:25:54 < dongs> dragoncircuits?
2014-08-29T04:26:01 < dongs> MADE IN USA
2014-08-29T04:26:05 < emeb_mac> doubt it
2014-08-29T04:26:52 < emeb_mac> electrodragon.com
2014-08-29T04:27:09 < dongs> rasrpberrypi sellers.
2014-08-29T04:27:11 < dongs> looks legit
2014-08-29T04:27:28 < emeb_mac> dongs: any experience with esp8266 wifi/serial thingies?
2014-08-29T04:27:39 < dongs> first time i hear of it
2014-08-29T04:27:44 < dongs> so sounds like no
2014-08-29T04:27:48 < emeb_mac> http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
2014-08-29T04:27:55 < emeb_mac> super cheap
2014-08-29T04:28:09 < dongs> what the fuck
2014-08-29T04:28:10 < dongs> !??!?!
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2014-08-29T04:28:35 < dongs> > internal lwip interface
2014-08-29T04:28:37 < dongs> ..
2014-08-29T04:28:40 < emeb_mac> hackaday special: http://hackaday.com/2014/08/26/new-chip-alert-the-esp8266-wifi-module-its-5/
2014-08-29T04:28:40 < dongs> wai so cheap
2014-08-29T04:28:48 < emeb_mac> because china
2014-08-29T04:33:02 < dongs> since i refuse to buy from trashy chinese places when will it be at sparkfun for $59.95/ea
2014-08-29T04:33:19 < dongs> so i can buy quality made in america
2014-08-29T04:34:14 < emeb_mac> haha
2014-08-29T04:35:50 < dongs> carefully avoid empty space in the at commands, otherwise return error, specially in the IP address, etc
2014-08-29T04:35:53 < dongs> lo
2014-08-29T04:42:23 < emeb_mac> ordered
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2014-08-29T08:19:32 < dongs> no
2014-08-29T08:19:37 < dongs> i disable class and room generation
2014-08-29T08:19:44 < dongs> its helpful when you have a lot of repeated circuits
2014-08-29T08:19:52 < dongs> i did use them on my magntic board proj
2014-08-29T08:20:02 < dongs> because i had like 200 hall sensors to arrange on a grid
2014-08-29T08:20:16 < dongs> so I made a room out of one column, and hten copied its layout/position
2014-08-29T08:20:58 < dongs> R2COM: also, http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
2014-08-29T08:24:47 < englishman> whoa
2014-08-29T08:25:56 < englishman> 24dBm from that little guy
2014-08-29T08:26:50 < englishman> and look at all that external RF shit! so much
2014-08-29T08:27:38 < dongs> ... ? waht
2014-08-29T08:27:41 < dongs> altium does same shit you kike
2014-08-29T08:27:49 < dongs> room has nothing to do wiht selecting same part on schematic/layout
2014-08-29T08:28:11 < dongs> have yo uactually tried to tearoff schematic into another monitor
2014-08-29T08:28:13 < dongs> then clicking parts on it
2014-08-29T08:28:14 < dongs> while layout is open?
2014-08-29T08:28:32 < dongs> it does exactly as you describe
2014-08-29T08:28:42 < dongs> sure it is
2014-08-29T08:29:23 < dongs> yes, top right in altium
2014-08-29T08:29:34 < dongs> there's 4 dropboxes there
2014-08-29T08:29:37 < dongs> bottom middle
2014-08-29T08:29:42 < dongs> next to (All)
2014-08-29T08:29:52 < dongs> pick part, it zooms to it
2014-08-29T08:29:59 < dongs> or you can type it
2014-08-29T08:30:04 < dongs> or you can filter
2014-08-29T08:30:08 < dongs> then you can turn it off
2014-08-29T08:30:10 < dongs> ???
2014-08-29T08:30:11 < dongs> wat
2014-08-29T08:30:30 < dongs> duno man
2014-08-29T08:30:35 < dongs> solutions lookin for a problme
2014-08-29T08:30:40 < dongs> double job of what
2014-08-29T08:31:00 < dongs> you already did twice and it makes no sense both tiems
2014-08-29T08:31:05 < dongs> oh right
2014-08-29T08:31:17 < dongs> right
2014-08-29T08:31:29 < dongs> if you insist, yes
2014-08-29T08:31:59 < dongs> but it does..
2014-08-29T08:32:27 < dongs> yes
2014-08-29T08:32:37 < dongs> select groups of stuff in schematic, it will select components
2014-08-29T08:32:42 < dongs> drag related ones into the board, and start laying out
2014-08-29T08:32:54 < dongs> dragging that shit one by one is retarded
2014-08-29T08:33:48 < dongs> t-o-<knock yourself out>
2014-08-29T08:33:50 < dongs> with available options
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2014-08-29T08:34:19 < dongs> theres autoplacement, arrange in room, etc etc
2014-08-29T08:34:44 < dongs> or you can select some rectangle on board and shove them all there
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2014-08-29T08:37:55 < dongs> you want tools->crossprobe I guess, otherwise, no fucking idea
2014-08-29T08:37:59 < dongs> you're creating problems that don't exist
2014-08-29T08:38:09 < dongs> eagle, improving?
2014-08-29T08:38:10 < dongs>  bwahahah
2014-08-29T08:38:37 < jpa-> only thing they've improved is the license checks ;)
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2014-08-29T08:42:00 < dongs> well, im gonna work on this coded
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2014-08-29T10:47:00 < dongs> fuck man analogix site has been dead all day today
2014-08-29T10:47:03 < dongs> HOW DO I COMPUTE
2014-08-29T10:49:21 < gnomad> https://www.youtube.com/watch?v=ieuBkWHfCuc
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2014-08-29T11:45:04 < edmont> have anyone experienced the decrement of CNTDR by one when enabling the DMA channel?
2014-08-29T11:46:53 < zyp> why are you asking?
2014-08-29T11:51:22 < edmont> i don't know how to solve that issue
2014-08-29T11:51:41 < edmont> i'm using dma for spi communications
2014-08-29T11:52:24 < edmont> and i load CNTDR with the amount of bytes to be transmitted
2014-08-29T11:53:11 < edmont> but sometimes it's decreased when enabling the DMA channel, without any data or clock from the SPI master
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2014-08-29T12:01:20 < jpa-> edmont: for transmit DMA, wouldn't it start to transmit immediately?
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2014-08-29T12:01:41 < jpa-> even for slave SPI, it will load the SPI transmit register first so that it is ready when the master starts sending clocks
2014-08-29T12:02:05 < jadew> jpa-, it shouldn't if the SPI has no clock
2014-08-29T12:02:19 < jpa-> jadew: you mean SCK or the clock to the spi peripheral?
2014-08-29T12:02:30 < zyp> of course it doe
2014-08-29T12:02:36 < jadew> because the loading happens as a result of the SPI peripheral signaling that it has a free spot in the data register
2014-08-29T12:02:38 < zyp> it'll always load the data register once
2014-08-29T12:02:46 < jadew> jpa-, the SPI peripheral
2014-08-29T12:02:59 < edmont> so that's normal?
2014-08-29T12:03:02 < zyp> yes
2014-08-29T12:03:09 < jpa-> jadew: well of course the SPI peripheral clock should be enabled prior to starting DMA.. otherwise it will be in some silly state
2014-08-29T12:03:10 < jadew> edmont, no, if the peripheral has no clock it shouldn't do it
2014-08-29T12:03:31 < zyp> jadew, obviously the peripheral clock is enabled
2014-08-29T12:04:01 < jpa-> edmont: you should be able to see in SPI status register that the "TXE" tx empty goes 0 after DMA preloads the byte there
2014-08-29T12:04:44 < edmont> ok, i'll chekç
2014-08-29T12:04:47 < edmont> check
2014-08-29T12:04:56 < jpa-> jadew: expect funny effects if your peripheral clock is off, previous state of TXE was 1, and you start DMA against it :)
2014-08-29T12:05:25 < jpa-> AFAICT the dma signals are level-triggered inside the chip
2014-08-29T12:05:42 < jadew> jpa-, I don't think it would clear the DMA buffer, the signaling must happen on the rising edge of some internal signal or something
2014-08-29T12:05:57 < jpa-> really? why do you figure so?
2014-08-29T12:06:13 < jadew> jpa-, it's usually how that's implemented
2014-08-29T12:06:24 < jpa-> hmm, why?
2014-08-29T12:06:41 < jpa-> in my opinion it would be simplest with level-triggered dma request signal
2014-08-29T12:06:59 < jadew> no, my bet is that it's clocked on that signal
2014-08-29T12:07:05 < jpa-> also how would edge-triggered handle the case of preloading SPI tx register when DMA is activated?
2014-08-29T12:07:12 < jpa-> jadew: what is clocked on what signal?
2014-08-29T12:07:19 < jadew> the DMA send
2014-08-29T12:07:35 < jpa-> on what?
2014-08-29T12:07:47 < jadew> it would be something like always @(posedge channX_signal) begin send data to tx end
2014-08-29T12:07:58 < zyp> no it wouldn't
2014-08-29T12:08:03 < rewolff> I don't think anything would be CLOCKED by another signal.
2014-08-29T12:08:05 < jpa-> uh... no sane logic designer would do it that way
2014-08-29T12:08:06 < jadew> zyp, how else would it be?
2014-08-29T12:08:06 < zyp> it's level triggered
2014-08-29T12:08:11 < jpa-> it would cause crazy clock skew
2014-08-29T12:08:13 < rewolff> jpa: exactly.
2014-08-29T12:08:17 < edmont> jpa-: you are right, TXE goes 0
2014-08-29T12:08:24 < jpa-> edmont: :)
2014-08-29T12:08:46 < jadew> zyp, if it was level triggered and SPI was busy, it would clear its buffer too fast
2014-08-29T12:08:55 < jpa-> jadew: if (state = idle and channX_signal = '1') state <= load_data;
2014-08-29T12:08:59 < jadew> because the level would be HIGH for more than 1 DMA clock
2014-08-29T12:09:05 < jadew> no
2014-08-29T12:09:09 < rewolff> In the design of AVR chips you can clearly see that they are VERY strict in never clocking anything from not-the-core-clock.
2014-08-29T12:09:20 < jpa-> jadew: the signal will go low before DMA returns to idle
2014-08-29T12:09:23 < jadew> which is why it needs to be edge triggered
2014-08-29T12:09:37 < jpa-> jadew: there is a reason why dma requests take 4-6 cycles.. it will wait for the write to complete
2014-08-29T12:09:53 < rewolff> It doesn't show as clearly in STM as far as I've noticed, but behind the scenes they will probably operate the same: don't clock anything from anywhere but the main clock.
2014-08-29T12:10:06 < rewolff> Or at least a signal tagged as "clock"....
2014-08-29T12:10:11 < jadew> rewolff, it would be clocked from the core clock
2014-08-29T12:10:20 < jadew> because the peripheral is clocked from the core clock
2014-08-29T12:10:28 < jadew> so any division of the core clock is still the core clock
2014-08-29T12:10:32 < jpa-> jadew: if it goes through logic, it introduces clock skew
2014-08-29T12:11:04 < rewolff> @ posedge clock  if (saved_signal == 0 and signal == 1) ... do things.
2014-08-29T12:11:11 < jpa-> jadew: with your "clocked to channX_signal", how would you monitor multiple channels at the same time? they all go to a single DMA controller that can do only one thing at a time
2014-08-29T12:11:14 < rewolff> (and saved_signal = signal).
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2014-08-29T12:11:27 < zyp> rewolff, yeah, that's how it would be if it were edge triggered
2014-08-29T12:11:28 < jadew> rewolff, that requires extra silicon
2014-08-29T12:11:33 < rewolff> THAT is how you do things. Otherwise you'll run into trouble eventually.
2014-08-29T12:11:44 < zyp> jadew, but that's how it's done :)
2014-08-29T12:11:46 < jadew> because they need a latch to store the previous state
2014-08-29T12:11:47 < rewolff> wether it is clock skew as jpa now suggests.
2014-08-29T12:11:47 < jpa-> i agree with rewolff on edge triggered implementation
2014-08-29T12:12:01 < jpa-> ewwww latches
2014-08-29T12:12:18 < rewolff> or if it is glitching in the signal that causes unwanted "execution" of your "codeblock"....
2014-08-29T12:12:22 < jpa-> next you'll suggest to clock it from NOT-gate oscillator :)
2014-08-29T12:13:03 < jadew> you know what, it could be done in both ways, but I believe clocking it on the edge is the best approach
2014-08-29T12:13:10 < jpa-> definitely is not
2014-08-29T12:13:20 < jadew> why not?
2014-08-29T12:13:20 < zyp> then you should go do a course in logic design or something
2014-08-29T12:13:24 < zyp> before giving advice
2014-08-29T12:13:24 < rewolff> It works at first.
2014-08-29T12:13:33 < jpa-> our digital design teacher had a word for designs like that: "AAAAAAAARRGH"
2014-08-29T12:13:38 < rewolff> Then when things get compilcated, you get VERY hard-to-find bugs.
2014-08-29T12:13:57 < jpa-> jadew: the reasons mentioned by me and rewolff 
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2014-08-29T12:14:56 < jadew> yeah, I still don't see it
2014-08-29T12:15:12 < jpa-> jadew: read up on clock skew
2014-08-29T12:15:51 < jadew> I know what clock skew is, but I don't think it would be that bad, they'd make sure it's not
2014-08-29T12:16:00 < jadew> not bad enough to mess up the DMA transfer
2014-08-29T12:16:24 < jpa-> and glitches also - consider that the DMA signal goes through an AND gate with the enable bit - what if "enable = 0" and a request happen on the same clock cycle? the glitch would mess up your implementation
2014-08-29T12:16:26 < zyp> oh, by the way
2014-08-29T12:16:29 < zyp> «As soon as the DMA Controller accesses the peripheral, an Acknowledge is sent to the peripheral by the DMA Controller. The peripheral releases its request as soon as it gets the Acknowledge from the DMA Controller. Once the request is deasserted by the peripheral, the DMA Controller release the Acknowledge.»
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2014-08-29T12:16:51 < jpa-> zyp: ah, nice find :)
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2014-08-29T12:16:52 < rewolff> Because now you have more "logic" between the  main clock it will easily become  the critical path of the whole chip and limit the clock rate.
2014-08-29T12:16:53 < zyp> that's how it deals with transferring only once data per request
2014-08-29T12:17:05 < edmont> jpa-: here comes the problem now: after i tx all data, the DMA1_Channel3_IRQHandler disables itself and activates the DMA1_Channel2_IRQHandler for reception. And in that case CNDTR2 is decremented by a random number of bytes (1-3) in continious execution, but never decremented step by step
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2014-08-29T12:17:44 < jpa-> edmont: you need to clear any buffered up bytes in SPI RX..
2014-08-29T12:17:51 < jpa-> edmont: SPI always receives and transmits at the same time
2014-08-29T12:18:18 < jpa-> also you'll probably get into SPI overflow state by doing it that way.. better to set up a (dummy) receive
2014-08-29T12:18:38 < jpa-> dongs now does it so that the RX DMA writes to the same buffer as TX DMA reads from - it seems like a nice way
2014-08-29T12:19:20 < jadew> zyp, that says nothing about the signaling, it only talks about what the DMA does to let the peripheral know that it has sent data to it - am I reading the wrong?
2014-08-29T12:19:29 < jadew> and I remember reading that in the RM as well
2014-08-29T12:19:41 < jpa-> zyp: so indeed with peripheral clock disabled you wouldn't get infinite transfers
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2014-08-29T12:19:47 < edmont> but the thing is i always send the same amount of bytes from the master
2014-08-29T12:19:54 < jpa-> but not because it is edge-triggered, but because it has ack-signal
2014-08-29T12:19:59 < zyp> jadew, it tells you why it doesn't have to be edge triggered
2014-08-29T12:20:17 < jadew> ah, you're right
2014-08-29T12:20:17 < jpa-> level-triggered request, level-triggered ack
2014-08-29T12:20:26 < jadew> in this case it wouldn't need to be edge triggered
2014-08-29T12:21:05 < zyp> no, and it isn't either, because being edge triggered would break cases where the dma request is already asserted when you enable the dma channel
2014-08-29T12:21:09 < zyp> like this
2014-08-29T12:21:20 < zyp> and pretty much any other kind of transmission
2014-08-29T12:21:42 < jadew> yeah, I agree
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2014-08-29T12:32:40 < jadew> I just realized something
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2014-08-29T12:32:47 < edmont> jpa-: this is what i do: http://pastebin.com/ZzJ9qMCh
2014-08-29T12:32:49 < jadew> it's not doing it like you guys said either
2014-08-29T12:33:06 < jadew> it's precisely what the RM says and that's it
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2014-08-29T12:33:28 < jadew> it probably just makes the data available to to the peripheral and signals that there's data in there
2014-08-29T12:33:39 < jadew> the peripheral takes it whenever it can and signals that it got it
2014-08-29T12:33:48 < jpa-> the write happens through AHB/APB, that is also clear from ref man
2014-08-29T12:35:25 < jpa-> also note that DMA can write to any memory address
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2014-08-29T12:35:30 < jadew> it's not particularly clear to me how they work tho, any ideas?
2014-08-29T12:35:45 < jpa-> even if it is in no way related to the peripheral that sends the DMA request
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2014-08-29T12:37:30 < jpa-> jadew: http://en.wikipedia.org/wiki/Advanced_Microcontroller_Bus_Architecture
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2014-08-29T12:39:28 < jadew> ok, so will the peripheral get the data via the AHB or will the DMA send the data to some register the peripheral has access to?
2014-08-29T12:39:49 < jadew> the signaling is probably done behind the scenes, no AHB/APB involved, no?
2014-08-29T12:42:32 < jpa-> the REQ/ACK signalling is completely separate from the data transfer
2014-08-29T12:42:57 < jpa-> e.g. you can make timer transfer from memory to GPIO - in that case the data goes to GPIO but the req/ack is between timer and DMA
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2014-08-29T12:49:11 < dongs> what FR4(?) material is L0-discovery made out of?
2014-08-29T12:49:24 < dongs> or its like mask or something
2014-08-29T12:49:28 < dongs> it feels bumpy
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2014-08-29T12:54:27 < rewolff> jadew, I just realized that "it's not doing things as you said" might be referring to what I said...
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2014-08-29T12:54:54 < rewolff> and then to what I said about implementing edge triggers instead of clocking a block from a signal.
2014-08-29T12:55:22 < rewolff> Anyway, what I said is that IF you need edge triggering that's how it should be done (or something like that).
2014-08-29T12:55:35 < rewolff> but not THAT they use edge triggering (they don't).
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2014-08-29T12:56:29 < jadew> yeah, they don't
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2014-08-29T14:21:24 < jpa-> gah, who idiot has built this gdb without readline :(
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2014-08-29T14:26:55 < Steffanx> im sorry jpa-
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2014-08-29T14:29:21 < jpa-> oh steffie, i forgive you
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2014-08-29T15:06:24 < Laurenceb_> http://hackadaycom.files.wordpress.com/2014/08/raspberry_pi_hero-pi-dt.jpg?w=580&h=326
2014-08-29T15:06:28 < Laurenceb_> lol the usb port
2014-08-29T15:08:18 < _Sync_> zero fucks given
2014-08-29T15:08:37 < jadew> lol
2014-08-29T15:10:50 < Steffanx> do you really laugh all they long Laurenceb_? If a usb port that sticks out a bit can make you laugh, is there anything that doesnt make you laugh?
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2014-08-29T15:17:46 < Laurenceb_> Steffanx: linux
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2014-08-29T15:40:47 < dongs> raspberrypi is fucking garbage
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2014-08-29T15:42:01 < Steffanx> hi dongd
2014-08-29T15:42:03 < Steffanx> s
2014-08-29T15:45:46 < jadew> never used it, what is it anyway? arm + ram + linux?
2014-08-29T15:46:02 < dongs> lunix + aids
2014-08-29T15:47:31 < jadew> it's weird that they advertise it as a learning tool
2014-08-29T15:48:31 < jadew> what can you possibly learn with it?
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2014-08-29T15:50:41 < Laurenceb_> how not to design
2014-08-29T15:52:53 < Laurenceb_> http://stream1.gifsoup.com/view3/1156567/angry-panda-smash-o.gif
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2014-08-29T17:02:06 < englishman> https://www.youtube.com/watch?v=mwcvElQS-hM
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2014-08-29T17:32:22 < Claude_> 10 years ago bitbanging udp was awesome ... http://www.cesko.host.sk/IgorPlugUDP/IgorPlug-UDP%20(AVR)_eng.htm
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2014-08-29T18:11:09 < Laurenceb_> http://i.imgur.com/QuT6JGy.png
2014-08-29T18:11:12 < Laurenceb_> epic fail
2014-08-29T18:14:26 < qyx_> lol the antenna
2014-08-29T18:14:29 < qyx_> whats that
2014-08-29T18:14:29 < Laurenceb_> yeah
2014-08-29T18:14:35 < Laurenceb_>  ##electronics
2014-08-29T18:14:40 < qyx_> also batt connector
2014-08-29T18:16:46 < synic> anyone care to explain what's wrong with it to a noob?
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2014-08-29T18:52:47 < gpunk> ping
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2014-08-29T19:28:12 < qyx_> synic: the groundplane around it changes its characteristics, the module should be on the edge with ground plane removed
2014-08-29T19:28:25 < qyx_> usually there are layout and mounting guidelines in the module datasheet
2014-08-29T19:29:37 < synic> and the battery connector?  Also needs to be on the edge?
2014-08-29T19:30:37 < qyx_> no, but it is mounted upside down, considering the height of the bluetooth/radio module, you may not be able to use it
2014-08-29T19:30:55 < gxti> i thought it looked backwards but it could be a vertical header
2014-08-29T19:31:08 < qyx_> that may also be the case
2014-08-29T19:31:09 < gxti> too lazy to check
2014-08-29T19:31:10 < qyx_> then its okay
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2014-08-29T21:57:12 < TheSeven> what's the recommended way of filtering AVCC?
2014-08-29T21:57:14 -!- efuentes [~efuentes@18.189.113.231] has joined ##stm32
2014-08-29T21:57:26 < efuentes> Hi everyone
2014-08-29T21:57:47 < efuentes> I'm working with an stm32l0 and I'm trying to get the SPI working
2014-08-29T21:57:49 < scrts> TheSeven: ferrite plus cap
2014-08-29T21:58:05 < TheSeven> scrts: typical values?
2014-08-29T21:58:10 < scrts> preferred two caps, like 0.1uF and 10uF if possible
2014-08-29T21:58:25 < scrts> ferrite doesn't matter... small one...
2014-08-29T21:58:29 < efuentes> I set the Serial Peripheral Enable bit in CR1 and load the data register
2014-08-29T21:58:34 < TheSeven> yeah I have the recommended caps (1uF and 10nF) on it already, just wondering about the ferrite
2014-08-29T21:58:35 < scrts> you want to form a low pass filter
2014-08-29T21:58:54 < efuentes> but the txe flag is never set
2014-08-29T21:59:10 < efuentes> I also don't get a clock signal out
2014-08-29T21:59:32 < efuentes> any ideas?
2014-08-29T21:59:33 < qyx_> TheSeven: see discovery board schematic
2014-08-29T21:59:51 < qyx_> i use 120R@100MHz ferrite bead + 1uF + 100nF
2014-08-29T22:01:20 < TheSeven> efuentes: no idea about L series chips, on F2/F4 series I'd check clock enables, prescalers, pin multiplexing, SPI control register (e.g. is it in master mode?), ...
2014-08-29T22:01:29 < TheSeven> efuentes: what does it report in the status register?
2014-08-29T22:01:58 < efuentes> the status register is 0
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2014-08-29T22:02:30 < TheSeven> qyx_, scrts: I might want to add that my 3.3V rail is powered from a switching power supply... does AVCC need some extra care to get rid of ripple etc. in that case?
2014-08-29T22:02:38 < efuentes> the GPIO and SPI peripheral definitely have their clocks enabled
2014-08-29T22:02:53 < TheSeven> I figure that a switching power supply will cause much lower frequency crap on that rail than the typical noise
2014-08-29T22:02:59 < efuentes> prescalers I don't really care about for now
2014-08-29T22:03:15 < TheSeven> efuentes: so the GPIO is set up to actually do SPI on that pin, from the right SPI core?
2014-08-29T22:03:16 < efuentes> pins are all set to AF and to the correct AF setting
2014-08-29T22:03:19 < TheSeven> ok
2014-08-29T22:03:44 < efuentes> as for the SPI CR...
2014-08-29T22:03:49 < scrts> TheSeven: what you gonna do? ADC measurements/
2014-08-29T22:04:23 < efuentes> slave is the default?
2014-08-29T22:04:24 < efuentes> fuck me
2014-08-29T22:04:34 < TheSeven> scrts: yes, nothing overly accurate I guess, but I'd like to get the best possible accuracy with reasonable amount of effort
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2014-08-29T22:05:09 < TheSeven> efuentes:         regs->CR1 = SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_MSTR | SPI_CR1_SPE | (br << 3);
2014-08-29T22:05:09 < TheSeven> that's what I typically do when selectign a peripheral...
2014-08-29T22:05:35 < scrts> then no
2014-08-29T22:05:38 < TheSeven> br being a calculated prescaler value
2014-08-29T22:05:48 < scrts> use a small ferrite plus tw ocaps
2014-08-29T22:05:51 < scrts> thats it
2014-08-29T22:05:54 < qyx_> TheSeven: if you can afford it, use dedicated low noise LDO for vdda & vref+
2014-08-29T22:06:05 < qyx_> if not, do as scrts says
2014-08-29T22:06:33 < TheSeven> scrts: ok, so that gets me reasonably rid of ~1MHz ripple? I guess I should use a 10µF cap instead of 1µF then?
2014-08-29T22:07:07 < scrts> you can, but if you have a huge ripple on your dc/dc output - fix the dc/dc output first
2014-08-29T22:07:42 < qyx_> shouldn't be that bad, last time i did the same and ADC readings were ok
2014-08-29T22:08:06 < efuentes> TheSeven: does SSM matter if you're the master?
2014-08-29T22:08:18 < efuentes> I guess it works for you...
2014-08-29T22:08:29 < qyx_> TheSeven: http://qyx.krtko.org/embedded/qnode4/img/sch1.png
2014-08-29T22:09:23 < TheSeven> efuentes: no idea, I haven't looked at the datasheet, and it's been ages since I wrote that code
2014-08-29T22:14:48 < TheSeven> qyx_: so 100nH-1µH seems like a reasonable inductor value?
2014-08-29T22:15:40 < qyx_> not inductor, ferrite bead
2014-08-29T22:15:54 < TheSeven> well yeah, that's an inductor as well ;)
2014-08-29T22:16:15 < qyx_> kind of
2014-08-29T22:16:58 < qyx_> like this http://sk.farnell.com/tdk/mmz1608121b/ferrite-bead-0-2ohm-500ma-0603/dp/1669711RL
2014-08-29T22:19:09 < qyx_> or actually the B type
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2014-08-29T22:20:57 < efuentes> TheSeven: It works!
2014-08-29T22:21:15 < efuentes> there is a diagram in the RM that explains the slave select management
2014-08-29T22:21:21 < efuentes> it's a little convoluted
2014-08-29T22:21:41 < efuentes> but I think it's because it supports a multimaster bus
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2014-08-29T22:29:36 < TheSeven> qyx_: what about this one? http://www.digikey.de/product-detail/de/CIC10P471NC/1276-6358-1-ND/3973742
2014-08-29T22:29:40 < TheSeven> does it seem adequate?
2014-08-29T22:35:19 < qyx_> probably, see the graphs
2014-08-29T22:47:26 < TheSeven> hm, I think I'll go with the MMZ1608B601C
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2014-08-29T23:39:41 < kakeman> qyx_: wat you doing? with solar cell and lipo and mcu
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--- Day changed Sat Aug 30 2014
2014-08-30T00:00:23 < Laurenceb__> balloon tracker?
2014-08-30T00:01:20 < kakeman> oh
2014-08-30T00:01:23 < kakeman> cool
2014-08-30T00:01:29 < kakeman> i forgot radio
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2014-08-30T00:11:53 < kakeman> simple pwm controller program with adc and some options
2014-08-30T00:12:34 < kakeman> after using 8hours to it I don't wonder why some still use simply 555's
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2014-08-30T00:32:11 < qyx_> no, mesh node
2014-08-30T00:34:48 < kakeman> intresting
2014-08-30T00:35:08 < kakeman> *interesting
2014-08-30T00:35:30 < qyx_> but the solar charging part is not done properly
2014-08-30T00:35:49 < kakeman> what is wrong with it?
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2014-08-30T00:36:34 < qyx_> no MPPT
2014-08-30T00:40:39 < kakeman> boards already ordered?
2014-08-30T00:41:34 < qyx_> of course, working
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2014-08-30T00:42:52 < Steffanx> so why you chose not to do mppt qyx_?
2014-08-30T00:43:09 < qyx_> i wanted to keep it simple and to save 2e :X
2014-08-30T00:43:13 < Steffanx> ah :)
2014-08-30T00:43:20 < kakeman> couldn't you control that boost chip with mcu?
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2014-08-30T00:43:30 < qyx_> i could, but why
2014-08-30T00:43:37 < qyx_> there are dedicated mppt controllers
2014-08-30T00:43:46 < qyx_> they cost around 3-5e
2014-08-30T00:44:04 < kakeman> that's why
2014-08-30T00:44:05 < qyx_> but i am planning to do boost using mcu pwm output
2014-08-30T00:44:22 < qyx_> with single n-fet, inductor and capacitor
2014-08-30T00:44:42 < kakeman> for this application?
2014-08-30T00:44:52 < kakeman> solar mppt?
2014-08-30T00:44:52 < qyx_> + one opamp to measure current
2014-08-30T00:44:56 < qyx_> yes
2014-08-30T00:45:26 < kakeman> i'm interested to see how it comes out
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2014-08-30T00:48:06 < kakeman> and a diode of course?
2014-08-30T00:48:25 < qyx_> yep, missed that detail
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2014-08-30T00:55:19 < kakeman> redesing that board or?
2014-08-30T00:55:47 < qyx_> they are not redesigned yet
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2014-08-30T01:03:28 < ossifrage> I'm looking for a light weight lz77 (or similar) decompressor that is robust to bad or corrupt data
2014-08-30T01:03:55 < ossifrage> The code I'm using right now will happily shit all over memory if given a corrupt input
2014-08-30T01:05:50 < zyp> uh
2014-08-30T01:06:03 < zyp> lz77 doesn't have a way to detect bad input
2014-08-30T01:06:38 < ossifrage> zyp, no but it shouldn't walk off the end of the decode buffer
2014-08-30T01:06:47 < ossifrage> destination buffer
2014-08-30T01:07:21 < zyp> that's true, you'd have to add a check for that in the writer
2014-08-30T01:08:20 < zyp> your «shit all over memory» really just means «decompress into more data than expected
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2014-08-30T01:08:49 < ossifrage> Yeah, it will happily decompress a corrupt input
2014-08-30T01:09:14 < zyp> of course it will, because no byte sequences is actually invalid
2014-08-30T01:09:52 < ossifrage> So I just want something that can limit the number of bytes written and I'll sanity check with a CRC
2014-08-30T01:10:08 < zyp> so write one?
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2014-08-30T01:10:15 < zyp> lz77 is dead simple
2014-08-30T01:10:18 < ossifrage> That is always an option
2014-08-30T01:10:41 < zyp> a decompressor is like 20 lines or so
2014-08-30T01:11:11 < qyx_> i would like to have dead simple vcdiff decompressor \o/
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2014-08-30T01:15:22 < kakeman> qyx_: what are you planning to use mesh nodes for?
2014-08-30T01:24:21 < zyp> hmm, I wonder what the best way to integrate usb host support into my usb stack is
2014-08-30T01:25:52 < zyp> I think I'd like to be able to select whether I want only device, host or full otg support
2014-08-30T01:27:39 < zyp> so I suspect the easiest way is doing two independent stacks and then having an otg thing that combines both and does the switching thing
2014-08-30T01:28:50 < zyp> but then I might also want to share some code, like transfer scheduling, since that stuff is pretty similar on both sides
2014-08-30T01:29:25 < zyp> hmm
2014-08-30T01:29:54 < zyp> maybe the best way is to start by making a standalone host stack, and then figuring out how to integrate it with the device stack later
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2014-08-30T01:50:43 < emeb> sounds like fun
2014-08-30T01:51:27 < emeb> I did a bit of fiddling around with device / host on STM32F4, PIC24 and PIC32 a few months back.
2014-08-30T01:51:53 < emeb> PIC24 seems to have the most mature implementation with widest array of classes
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2014-08-30T01:53:49 < ds2> why do people still bother with PICs?
2014-08-30T01:54:38 < ds2> special programmers and toolchains...
2014-08-30T01:55:16 < kakeman> familiar
2014-08-30T01:55:36 < kakeman> lots of old code that just works
2014-08-30T01:55:56 < kakeman> idk
2014-08-30T01:55:59 < ds2> didn't the truck load of different programmers for different flavors of chips turn you off years ago?
2014-08-30T01:56:23 < kakeman> never used pic
2014-08-30T01:56:25 < Laurenceb__> GCC support is a mess
2014-08-30T01:56:36 < ds2> gcc support for PIC or?
2014-08-30T01:56:42 < Laurenceb__> yes, PIC
2014-08-30T01:57:07 < ds2> ah
2014-08-30T01:57:34 < ds2> the only non ARM chip I even consider thesedays is the 430's and that's cuz they gave away the programmers
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2014-08-30T01:58:46 < Laurenceb__> http://www.voti.nl/picfaq/index_1.html#Where%20can%20I%20get%20a%20GCC%20for%20PICs?
2014-08-30T01:59:08 < Laurenceb__> no longer true, but still runny
2014-08-30T01:59:12 < Laurenceb__> *funny
2014-08-30T02:00:04 < ossifrage> lz77 isn't really cutting it for this app, 396 bytes of 0x55 compress to 30 bytes :-(
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2014-08-30T02:03:49 < zyp> depends how many bits you allocate for the size field of a backref
2014-08-30T02:04:43 < ossifrage> I think the moral of the story is to just implement my own thing because I am *very* resource constrained
2014-08-30T02:05:07 < qyx_> what do you use the compression for?
2014-08-30T02:05:13 < zyp> alternatively get more resources
2014-08-30T02:05:24 < ossifrage> to compress small bitmaps sent over bluetooth low energy
2014-08-30T02:05:42 < ossifrage> zyp, I'd love to, but I have what I have
2014-08-30T02:05:53 < zyp> nrf51?
2014-08-30T02:05:56 < ossifrage> Yeah
2014-08-30T02:06:00 < qyx_> pfff
2014-08-30T02:06:04 < zyp> those are pretty horrible, resource wise
2014-08-30T02:06:14 < zyp> shame, because they're kinda nice otherwise
2014-08-30T02:06:42 < ossifrage> more ram == more power, so they put the bare minimum sram they can
2014-08-30T02:06:52 < ossifrage> I'd rather have more ram and just turn it off if I could
2014-08-30T02:07:33 < ossifrage> It doesn't help that the softdevice is eating up most of my memory
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2014-08-30T02:13:15 < qyx_> don't you have some tiny *printf implementation handy?
2014-08-30T02:13:59 < ossifrage> Depends on how tiny, very tiny is easy, just write it yourself
2014-08-30T02:14:40 < qyx_> not-that-very-tiny
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2014-08-30T02:16:49 < ossifrage> try newlib-nano
2014-08-30T02:17:13 < ossifrage> it is in the source tarball for gcc-arm-non-eabi from launchpad
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2014-08-30T02:38:14 < upgrdman> was it someone in here that wrote their own client for the open workbench logic sniffer? (closed sauce)
2014-08-30T02:38:29 < jadew> yeah
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2014-08-30T02:38:30 < jadew> me
2014-08-30T02:39:02 < jadew> why do you ask?
2014-08-30T02:44:06 < upgrdman> does your app have a live-view-ish mode? i know the OLS doesn't, but it could be faked with short samples and repeatings.
2014-08-30T02:44:28 < jadew> it has an auto arm mode
2014-08-30T02:44:38 < jadew> where as soon as it gets the data it re-arms
2014-08-30T02:45:02 < jadew> you won't get more live-view-ish than that with the OLS :)
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2014-08-30T02:45:07 < upgrdman> sure
2014-08-30T02:45:08 < upgrdman> ok
2014-08-30T02:45:17 < jadew> the transfer speed is just too slow
2014-08-30T02:45:32 < upgrdman> ya
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2014-08-30T02:52:21 < jadew> upgrdman, if you decide to use it, you need win7. I'm just replying to someone about an issue it has with XP, something that I can't deal with for now because I don't have the time
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2014-08-30T02:55:53 < jadew> upgrdman, unlike the original client mine doesn't have that weird protocol interface
2014-08-30T02:56:09 < jadew> so once the protocol was set up, it will decode things
2014-08-30T02:56:20 < jadew> no need to revisit the protocol view
2014-08-30T02:59:22 < upgrdman> k
2014-08-30T02:59:27 < upgrdman> i have win7 in a vm
2014-08-30T03:00:16 < upgrdman> i cant wait for my analog discovery to arrive ... should be a fun tool and might even replace my OLS for many things
2014-08-30T03:01:36 < jadew> neat, didn't look much into it but I heard a lot of people being excited about it
2014-08-30T03:02:28 < upgrdman> well for the us student price it's a streal. $100
2014-08-30T03:02:32 < upgrdman> steal*
2014-08-30T03:04:16 < jadew> what are the specs on the LA?
2014-08-30T03:04:42 < jadew> ah, found the brochure
2014-08-30T03:06:52 < jadew> not bad for the price
2014-08-30T03:07:16 < upgrdman> ya
2014-08-30T03:07:36 < upgrdman> plus im lazy it wanted a small usb scope for when i can't be bother to walk over to my workbench
2014-08-30T03:07:42 < upgrdman> s/it/and
2014-08-30T03:08:12 < jadew> did you see it in action?
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2014-08-30T03:08:46 < jadew> 5 MHz bandwidth doesn't sound too impressive :P
2014-08-30T03:09:00 < jadew> on the other hand the 100 MSps are more than enough for it
2014-08-30T03:09:06 < upgrdman> jadew: no but theres a demo mode in the software, and i poked around
2014-08-30T03:09:39 < upgrdman> ya, i wouldnt be using a usb toy for anything demanding. but for debugging simple shit it should be plenty
2014-08-30T03:09:51 < jadew> yeah
2014-08-30T03:10:04 < jadew> the AWG doesn't sound bad either
2014-08-30T03:10:52 < jadew> I believe some of the first rigol models have 100 MSps too
2014-08-30T03:10:56 < upgrdman> also with the scope being ** 14 bit ** it should be fun
2014-08-30T03:11:03 < upgrdman> the FFT in demo mode looked very nice
2014-08-30T03:12:16 < jadew> now that I look on that list... I want a SA so bad...
2014-08-30T03:12:48 < upgrdman> SHIT YES! just as we speak, i get a fedex tracking number from digilent!!!!
2014-08-30T03:12:57 < upgrdman> they must have a mole in here
2014-08-30T03:13:05 < jadew> heh, congrats :)
2014-08-30T03:13:41 < upgrdman> your scope doesn't do fft?
2014-08-30T03:14:16 < jadew> it does, but my scope doesn't do 5 GHz so I can use the FFT up to 2.4 :P
2014-08-30T03:14:34 < upgrdman> oh ya
2014-08-30T03:14:45 < upgrdman> i made a super primitive 2.4g spec an
2014-08-30T03:14:57 < upgrdman> rssi + channel sweeping FTW
2014-08-30T03:15:35 < jadew> I kinda want a real SA, the RF stuff is only part of it
2014-08-30T03:16:03 < upgrdman> k
2014-08-30T03:16:40 < jadew> I've been using rtl-sdr up to a point btw
2014-08-30T03:17:13 < jadew> but it's nothing spectacular, the rbw is great tho
2014-08-30T03:17:42 < emeb> just lots of spurs, images and crappy noise floor
2014-08-30T03:17:45 < upgrdman> digilent ships out of Idaho. weird... i wonder why they're there.
2014-08-30T03:17:49 < jadew> emeb, yeah
2014-08-30T03:18:10 < emeb> upgrdman: digilent is a spin-off of some engineering folks at Wash U.
2014-08-30T03:18:19 < upgrdman> o
2014-08-30T03:19:21 < emeb> Washington State Univ in Pullman - right across the Wash/Idaho border
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2014-08-30T03:24:44 < upgrdman> jadew: know of any OLS tools other than yours and the "official" one?
2014-08-30T03:25:04 < jadew> upgrdman, there's also the original sump client
2014-08-30T03:25:24 < jadew> but it looks like it was made in the 80s
2014-08-30T03:26:09 < jadew> there were also other attempts, but they all kinda suck
2014-08-30T03:26:22 < jadew> I believe there's a list on the official page
2014-08-30T03:27:07 < upgrdman> k
2014-08-30T03:27:45 < jadew> believe me, I didn't wrote my client because I was bored :)
2014-08-30T03:28:45 < jadew> actually the trigger point was when I realized that the official client was decoding different things every time I was pressing the decode button - on the same data...
2014-08-30T03:29:11 < upgrdman> :)
2014-08-30T03:29:39 < jadew> the hardware isn't perfect either
2014-08-30T03:30:07 < jadew> the RLE mode is completely unpredictable and can enter a mode where it scrambles everything
2014-08-30T03:33:26 < upgrdman> orly?
2014-08-30T03:33:34 < upgrdman> guess i've been lucky
2014-08-30T03:34:09 < jadew> yeah, I don't know how it happens, I was never able to reproduce it at will
2014-08-30T03:34:28 < jadew> it just hits you and if you don't know about it you start looking in the wrong place
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2014-08-30T03:54:08 < GargantuaSauce> upgrdman: sigrok
2014-08-30T03:54:20 < upgrdman> hmmm
2014-08-30T03:55:02 < jadew> GargantuaSauce, does it even have a usable UI?
2014-08-30T03:55:25 < GargantuaSauce> you strike me as the sort of person who can't use cli tools, so no
2014-08-30T03:55:34 < jadew> lol
2014-08-30T03:55:58 < dongs> hm my flashing jig for ipad adapter is getting stuck pogopins sometimes
2014-08-30T03:56:03 < jadew> I can use cli tools just fine, but cli LA is laughable
2014-08-30T03:56:03 < dongs> i wonder how many presses theyre good for
2014-08-30T03:56:08 < dongs> this one only had like ~1k or so
2014-08-30T03:57:03 < _Sync_> good pogopins or china junk?
2014-08-30T03:57:23 < dongs> 100 for $10 china junk
2014-08-30T03:57:29 < upgrdman> link?
2014-08-30T03:57:43 < _Sync_> yeah then they are dead now
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2014-08-30T03:58:27 < dongs> upgrdman: no link just asked my chinagirl to add shit to my order
2014-08-30T03:58:29 < _Sync_> I hope you bought them with the mounting tube so you can just swap the pins
2014-08-30T03:58:40 < upgrdman> o
2014-08-30T03:58:54 < dongs> lol $5 for 100 actually
2014-08-30T03:58:58 < dongs> P75-D2	spring test probes	100	$0.050 	$5.00
2014-08-30T03:59:23 < upgrdman> hmmm http://www.amazon.com/9100B-Degree-Spear-Spring-Probes/dp/B00BG6JJZY/ref=sr_1_3?ie=UTF8&qid=1409360338&sr=8-3&keywords=pogo+pin
2014-08-30T03:59:33 < _Sync_> pos
2014-08-30T03:59:46 < dongs> ya thats similar to my shit
2014-08-30T03:59:55 < dongs> except mine is rounded head
2014-08-30T04:00:07 < dongs> since im touching 2.54mm header holes, not pads
2014-08-30T04:00:17 < _Sync_> I wonder why you chose round head, usually I use a diamond for that
2014-08-30T04:00:38 < _Sync_> had issues with pbcs that were floating around for a while that did not contact well
2014-08-30T04:00:40 < dongs> diamond is flat, no? with tees outsides
2014-08-30T04:00:56 < upgrdman> http://www.amazon.com/Spherical-Radius-Spring-Test-Probes/dp/B007Q8JILQ/ref=sr_1_1?ie=UTF8&qid=1409360338&sr=8-1&keywords=pogo+pin
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2014-08-30T04:01:26 < _Sync_> diamond is http://i01.i.aliimg.com/wsphoto/v1/1376456767_1/Factory-Direct-PL75-LM2-six-sided-blade-Diamond-Head-test-pin-probe-thimble.jpg_350x350.jpg
2014-08-30T04:01:28 < BrainDamage> sigrok actually has a gui interface
2014-08-30T04:01:44 < BrainDamage> it's called pulseview
2014-08-30T04:01:53 < BrainDamage> but it's very simple, and WIP
2014-08-30T04:02:04 < BrainDamage> not toe mention, the usual sores
2014-08-30T04:02:05 < GargantuaSauce> oh cool, i'll have to take a look at that
2014-08-30T04:02:16 < dongs> _Sync_: not bad, if I ever run out of these ill switch. i dont have problmes with non-contact, so far and thousands of boards flashed t his way
2014-08-30T04:02:25 < dongs> the other adapter actually got a lot more use and its still ok
2014-08-30T04:02:34 < _Sync_> do you have enig?
2014-08-30T04:02:38 < dongs> yeash
2014-08-30T04:02:42 < _Sync_> yeah that helps
2014-08-30T04:03:05 < _Sync_> did you get the pins with tubes?
2014-08-30T04:03:24 < dongs> unsure? they look exactly like thje pics upgrdman pasted
2014-08-30T04:03:29 < dongs> copper tube with a little notch in it
2014-08-30T04:03:31 < _Sync_> well then you did not
2014-08-30T04:03:40 < dongs> yeah i dont think its removable
2014-08-30T04:03:41 < _Sync_> usually the pins go into a tube
2014-08-30T04:04:36 < _Sync_> the idea is that you can adjust the height of the pin and change it if it is broken
2014-08-30T04:04:47 < _Sync_> because pressing the pin out of the carrier plate is almost impossible
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2014-08-30T04:07:30 < _Sync_> hm interesting, those japan servo 3 phase stepper motors are insanely strong for their size
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2014-08-30T08:53:21 < t1memob> is nrf the only choice for ble+MCU? not counting shit like 8051
2014-08-30T08:53:38 < t1memob> st doesn't have anything with BT?
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2014-08-30T08:56:20 < t1memob> CSR stuff is probably too closed sores
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2014-08-30T09:11:13 < upgrdman> dunno. checked cypress?
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2014-08-30T11:19:29 < dongs> http://www.warmplace.ru/soft/pixilang/ uGFX is dead
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2014-08-30T13:28:06 < gnomad> ha!  http://i.imgur.com/Bw9Grak.jpg
2014-08-30T13:33:56 < Fleck> fake
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2014-08-30T14:24:06 < AndreeeCZ> hi! I when i use half-precision floats, does that mean tha flaot is 16bit? And when i want to use full precision float, is that float32_t?
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2014-08-30T14:25:06 < dongs> only  float32_t has hardware acceleration
2014-08-30T14:25:13 < dongs> float16 or double doesnt
2014-08-30T14:25:22 < AndreeeCZ> and just 'float' ?
2014-08-30T14:25:24 < dongs> and yeah, sounds like float16 is half of float, never heard of that shit tho
2014-08-30T14:25:28 < dongs> just float is regular float32
2014-08-30T14:25:30 < dongs> w/hardware accel
2014-08-30T14:25:41 < dongs> but you should use f-suffx functions, like sinf() cosf() etc
2014-08-30T14:26:17 < dongs> and add -Wpromote-doubles or something to gcc flags if you wanna see where youre using doubles unexpectedly
2014-08-30T14:26:24 < AndreeeCZ> what does this do then? -mfpu=fpv4-sp-d16
2014-08-30T14:26:30 < dongs> also all constatns should be f-suffix'd, like 1.0f
2014-08-30T14:26:34 < dongs> thats hardware fp
2014-08-30T14:26:48 < dongs> but hardware  fp only deals wiht 32bit float.
2014-08-30T14:26:57 < dongs> so if you use something else, it'll fallback to old software way.
2014-08-30T14:27:05 < AndreeeCZ> im using this -mfpu=fpv4-sp-d16
2014-08-30T14:27:08 < dongs> and/or spend time converting double/flolat/etc.
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2014-08-30T14:27:29 < AndreeeCZ> what's half precision in that?
2014-08-30T14:28:27 < AndreeeCZ> i mean - i'm compiling with half precision floats. Does it mean that all my floats are 16bit?
2014-08-30T14:28:57 < dongs> what hte f uck is half precision float?
2014-08-30T14:29:31 < AndreeeCZ> 32/2 = 16bit, i guess?
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2014-08-30T14:30:38 < AndreeeCZ> if not, what does fpv4-sp-d16 do then?
2014-08-30T14:30:43 < dongs> https://answers.launchpad.net/gcc-arm-embedded/+question/211248
2014-08-30T14:31:35 < dongs> sounds like thats just the normal single-precision "float" stuff.
2014-08-30T14:31:36 < AndreeeCZ> dongs, i read that, but didnt get what the conclusion was
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2014-08-30T14:33:39 < AndreeeCZ> i see, so there is no difference between float and float32_t ?
2014-08-30T14:36:21 < GargantuaSauce> yeah the latter is just some paranoid typedef by a third party
2014-08-30T14:36:30 < dongs> just enable that, compile and look at asm
2014-08-30T14:36:30 < dongs> if its using hardwar fp, its obvious
2014-08-30T14:36:30 < dongs> then youre done and stop worrying
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2014-08-30T14:37:06 < AndreeeCZ> yes, it looks like it does, dongs
2014-08-30T14:37:20 < AndreeeCZ> GargantuaSauce, that happens to be SIMD library by arm :))
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2014-08-30T14:38:25 < GargantuaSauce> and yeah use -fsingle-precision-constant if you forget the f suffix all the time like me
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2014-08-30T15:02:04 < jadew`> itead studio sucks
2014-08-30T15:03:04 < zyp> ok
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2014-08-30T15:04:25 < jadew`> they screwed up my order (with DHL shipping), they had me pay extra to get it fixed, 2 weeks later they they tell me they'll send it "tomorrow" and when tomorrow comes they don't answer e-mails
2014-08-30T15:04:39 < zyp> ok
2014-08-30T15:06:39 < jadew`> zyp, what's your problem?
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2014-08-30T15:07:27 < zyp> I don't have any, I've never ordered from itead
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2014-08-30T15:10:40 < dongs> i have, and they suck
2014-08-30T15:10:47 < dongs> but basically you get what you paid for
2014-08-30T15:12:12 < Steffanx> perfect for hobby bobby.
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2014-08-30T15:12:34 < jadew`> dongs, I didn't mind the quality of the boards in the past, but now that they screwed up, it appears like they're unable to fix this
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2014-08-30T15:14:24 < jadew`> all they had to do was to re-send my boards to the fab house and ship them to me, I'm starting to think this is a trick to make me get a refund, so they don't have to pay for DHL the second time around
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2014-08-30T15:14:37 < jadew`> altho they charged me more than the initial cost + shipping to "fix it faster"
2014-08-30T15:16:39 < jpa-> well get the refund and reorder from another place?
2014-08-30T15:16:48 < dongs> indeed
2014-08-30T15:17:09 < jadew`> jpa-, I will, I only need to find a PCB house in europe that can deliver within a week
2014-08-30T15:17:16 < dongs> good luck
2014-08-30T15:17:20 < dongs> > europe
2014-08-30T15:17:21 < dongs> > cheap
2014-08-30T15:17:22 < dongs> pick one
2014-08-30T15:17:26 < zyp> heh
2014-08-30T15:17:28 < jadew`> heh, I know :)
2014-08-30T15:17:31 < dongs> you can try: olimex
2014-08-30T15:17:37 < dongs> assuming they dont have a month backlog
2014-08-30T15:17:47 < dongs> but you'll need to enlarge your vias to like 0.5mm
2014-08-30T15:17:55 < zyp> your first fault was using itead for something time critical in the first place :p
2014-08-30T15:18:04 < dongs> thier spec is abysmal
2014-08-30T15:18:05 < jadew`> dongs, that's a pretty big restriction
2014-08-30T15:18:12 < dongs> well i dunno wat it is
2014-08-30T15:18:17 < dongs> back when I checked, it was something along those lines
2014-08-30T15:18:19 < dongs> go see what they do now
2014-08-30T15:18:22 < jadew`> zyp, I know, they were ok in the past with snail mail
2014-08-30T15:18:26 < dongs> at least they're in euope, poland or someshit
2014-08-30T15:18:37 -!- claude is now known as Claude
2014-08-30T15:18:46 < dongs> Dear Customers,
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2014-08-30T15:18:46 < dongs> We are sorry to inform you that the PCB prototype service is temporary suspended due to the lack of free capacity.
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2014-08-30T15:18:48 < jadew`> dongs, checking them out, thanks
2014-08-30T15:18:50 < dongs> guess not
2014-08-30T15:18:53 < jpa-> pay up the 100 EUR and order from whichever pcb shop is nearest to you?
2014-08-30T15:18:55 < dongs> they probably got tired of endless backlog
2014-08-30T15:18:59 < jadew`> dongs, yeah, just saw
2014-08-30T15:19:20 < zyp> what about that failtrain-place Laurenceb__ talked about?
2014-08-30T15:19:23 < zyp> I mean, pcbtrain
2014-08-30T15:19:26 < Laurenceb__> lolz
2014-08-30T15:19:29 < dongs> isnt that aids
2014-08-30T15:19:32 < Laurenceb__> hairypcbtrain
2014-08-30T15:19:35 < jadew`> jpa-, it's probably what I'm going to do, the itead studio order ended up cost $85 anyway
2014-08-30T15:19:39 < dongs> im trying to remember some europlace that tectu or someone iun eur used
2014-08-30T15:19:42 < dongs> that looeked reasonable
2014-08-30T15:19:44 < Laurenceb__> my last pcb had free pubes
2014-08-30T15:19:46 < dongs> it was some russian(?) outfit
2014-08-30T15:19:51 < dongs> eurocircuits maybe?
2014-08-30T15:20:12 < dongs> ya sounds liek them
2014-08-30T15:20:25 < Steffanx> expensive but.. fast
2014-08-30T15:20:31 < Steffanx> as long as you pay them enough
2014-08-30T15:20:44 < Claude> also not bad : http://www.multi-circuit-boards.eu/en/index.html
2014-08-30T15:21:02 < jadew`> thanks
2014-08-30T15:21:38 < dongs> Sprache=en
2014-08-30T15:21:39 < dongs> sounds german
2014-08-30T15:22:04 < jadew`> yeah
2014-08-30T15:22:08 < Claude> yeah but iirc they are in england
2014-08-30T15:22:09 < dongs> We only supply our products to business customers and corporate bodies for commercial use, including public institutions (e.g. universities). We do not supply our products directly to end consumers.
2014-08-30T15:22:13 < dongs> wut
2014-08-30T15:22:23 < dongs> (multicb)
2014-08-30T15:22:38 < jadew`> weird
2014-08-30T15:22:42 < zyp> in other words, they don't want to deal with hobbyists
2014-08-30T15:22:59 < dongs> yta "company" field is mandatory
2014-08-30T15:23:00 < Claude> oh.. yeah german law (consumers can return stuff within 14 days)
2014-08-30T15:23:01 < dongs> in their signup shit
2014-08-30T15:23:07 < dongs> haha, really
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2014-08-30T15:23:32 < zyp> norwegian law has similar stuff
2014-08-30T15:24:05 < Claude> order 16 layer pcb in 24h service and return it :)
2014-08-30T15:24:44 < zyp> well, I think the norwegian law, at least, doesn't apply for order made products
2014-08-30T15:25:03 < Laurenceb__> there is some uk law like that...
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2014-08-30T15:25:15 < Laurenceb__> but pcbtrain will just accept orders online
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2014-08-30T15:25:36 < jadew`> we can return things in 10 days I believe and companies can only do it in 2
2014-08-30T15:25:37 < Laurenceb__> but your boards will have pubes in the lacquer
2014-08-30T15:25:48 < Steffanx> didnt you have great experience with pcbtrolls Laurenceb__?
2014-08-30T15:25:52 < Laurenceb__> yes
2014-08-30T15:26:00 < Laurenceb__> they refused a refund
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2014-08-30T15:26:23 < Claude> weee scored a elmo l12-i document camera on ebay for 100 euros :) quite handy for delicate soldering , 5MP with full hd hdmi out , 12x optical zoom
2014-08-30T15:26:53 < Claude> 100euros new :) retail these are around 650euros
2014-08-30T15:27:26 < zyp> hrm
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2014-08-30T15:28:08 < zyp> I'm thinking about assembling the fpga-boards today, but there's a mountain of mess on my desk that I'd have to sort out first
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2014-08-30T15:28:29 < Laurenceb__> pcbtrain is in Basingstoke
2014-08-30T15:28:42 < Laurenceb__> tells you everytihng you need to know...
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2014-08-30T15:29:08 < Steffanx> whats the plan with the fgpa zyp?
2014-08-30T15:29:14 < Steffanx> Also arcade stuff?
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2014-08-30T15:29:52 < zyp> adding IDE interface to stm32
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2014-08-30T15:30:36 < Steffanx> uhm, ok :)
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2014-08-30T15:32:23 < Steffanx> and what are you going to connect to that? Not a good old HDD i guess?
2014-08-30T15:32:39 < Claude> zyp, doing arcade on fpga?
2014-08-30T15:32:41 < zyp> slave side interface
2014-08-30T15:32:44 < zyp> Claude, no
2014-08-30T15:32:44 < Steffanx> i remember you talking about it ages ago, but i dont remember the what.
2014-08-30T15:32:50 < Steffanx> *the details
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2014-08-30T15:34:07 < Claude> zyp , ah :/ did a vectrex (http://en.wikipedia.org/wiki/Vectrex) a while ago on a cyclone 2
2014-08-30T15:34:45 < zyp> nice
2014-08-30T15:35:31 -!- ntfreak [~ntfreak@unaffiliated/ntfreak] has joined ##stm32
2014-08-30T15:35:32 < Claude> well i failed at the xy monitor and attached a rasterizer to it :)
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2014-08-30T15:36:55 < baird> Played with the real thing a few months ago. Surprisingly playable! (the control response was amazing..)
2014-08-30T15:37:57 < Claude> yeah nice (but obscure) platform
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2014-08-30T18:19:40 < dongs> holy shit
2014-08-30T18:19:48 < dongs> GPIO_PinRemapConfig is just absolutely horrible
2014-08-30T18:20:20 < Steffanx> What's new?
2014-08-30T18:20:31 < dongs> i *think(* all i need to do is just set like 2 bits
2014-08-30T18:20:33 < dongs> to remap shit right?
2014-08-30T18:20:36 < dongs> but its like 3000 lines of code
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2014-08-30T18:26:19 < baird> It's always fun when writing assembly code to arrange for an execution fall-through into the next bit of code.. http://i.imgur.com/0Z0cJo9.png  (Converting that 'Neko' screensaver to the MSP430+LCD gear I got recently.. The kitty is doing its animated cycling test)
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2014-08-30T18:30:13 < dongs> lol asm
2014-08-30T18:31:06 < baird> lolgasm
2014-08-30T18:32:08 < baird> I wonder what they call that in the Compiler Optimisation world.
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2014-08-30T18:46:49 < baird> The Sharp LS013B4DN04 LCD had a few neat surprises. Its datasheet mentions an SPI CLK minimum cycle of 450ns, yet I'm pumping it trouble-free at 125ns
2014-08-30T18:47:15 < dongs> quality chinaclone
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2014-08-30T18:57:20 < jpa-> baird: it is pretty normal that semiconductors can be overclocked 5-10x at room temperature with only minor degradation in reliability
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2014-08-30T19:51:28 < _Sync_> fucking shit, gimbal works but after some time the imu pulls sda low
2014-08-30T19:55:35 < kakeman> thanks for reminding.. gimbal controller
2014-08-30T19:57:10 < kakeman> just enough room for it on layout
2014-08-30T19:59:58 < kakeman> someone would say
2014-08-30T20:00:01 < kakeman> why bother
2014-08-30T20:00:27 < Steffanx> Why bother?
2014-08-30T20:00:36 < kakeman> ye
2014-08-30T20:07:57 < Steffanx> yes, kakeman .. ?
2014-08-30T20:17:52 < kakeman> studying
2014-08-30T20:18:03 < kakeman> bldc control
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2014-08-30T20:25:04 < kakeman> basically could buy ready board
2014-08-30T20:25:16 < kakeman> then program it myself
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2014-08-30T20:32:13 < emeb_mac> Laurenceb_ bus: https://twitter.com/fenarinarsa/status/505738726916755456/photo/1
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2014-08-30T20:39:02 < kakeman> how much you have money going to/thru electronics projects annually?
2014-08-30T20:39:59 < kakeman> personal projects
2014-08-30T20:40:34 < kakeman> or own business
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2014-08-30T21:43:37 < jpa-> kakeman: electronics projects maybe 200-300 EUR per year, new tools maybe another 200-300 EUR
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2014-08-30T22:04:00 < Steffanx> i bet that cnc machine was more than that 200-300 euro jpa- :P
2014-08-30T22:04:25 < Steffanx> according to your website it was.
2014-08-30T22:05:56 < jpa-> Steffanx: sure, but i think in 2013 i bought just a 80 EUR power supply and not much other new tools
2014-08-30T22:06:07 < jpa-> so it averages out
2014-08-30T22:06:11 < Steffanx> oh, averaging.
2014-08-30T22:09:28 < jpa-> though classifying stuff like a drill or paint or etc. is difficult, i.e. not really electronics stuff but tools/projects anyway
2014-08-30T22:16:18 < kakeman> this summer tools + materials worth 2k
2014-08-30T22:16:25 < joph> cnc?
2014-08-30T22:16:41 < joph> 2k are a lot :D
2014-08-30T22:16:59 < jpa-> i wouldn't have time to spend 2k worth of material :P
2014-08-30T22:17:24 < joph> spending 2k is easy, using the parts for 2k isn't that easy :D
2014-08-30T22:17:47 < joph> especially with microcontrollers
2014-08-30T22:17:56 < joph> on the other hand, buying a high end fpga board
2014-08-30T22:19:49 < jpa-> i haven't really came across anything that a $20 cyclone IV wouldn't be enough for.. not that i do much fpga projects anyway :P
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2014-08-30T22:28:44 < zyp> I've probably spent $8k on stuff over the last year
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2014-08-30T22:29:24 < jpa-> what have you spent it on? (i assume you don't count stuff that you sell onwards?)
2014-08-30T22:29:33 < zyp> that's what I'm counting :p
2014-08-30T22:29:38 < jpa-> heh :P
2014-08-30T22:29:54 < zyp> haven't really spent much on tools or parts to keep
2014-08-30T22:30:02 < kakeman> basically hole inventory of parts, proper multimeter and some tools
2014-08-30T22:30:07 < kakeman> *whole
2014-08-30T22:30:32 < zyp> I'm still tempted to get that $1400 logic analyzer, or how much it was
2014-08-30T22:30:48 < jpa-> the pokemon one?
2014-08-30T22:30:50 < kakeman> shelfs and esd protection
2014-08-30T22:30:52 < zyp> yeah
2014-08-30T22:31:01 < jpa-> i'm waiting for a hello kitty model
2014-08-30T22:31:37 < kakeman> wintertime just moving hand an inch causes sparking
2014-08-30T22:32:51 < jpa-> for me, low humidity irritates eyes => air humidifier, no esd trouble :P
2014-08-30T22:33:07 < kakeman> planning to do something similar here
2014-08-30T22:33:15 < kakeman> eyes and skin
2014-08-30T22:34:05 < zyp> I've never had much problems with esd
2014-08-30T22:34:36 < jpa-> i did back when i used through-hole PICs that i moved between programmer socket and veroboard
2014-08-30T22:34:55 < zyp> I suspect chips are way more protected against that stuff nowadays than they used to be, so it's not really a huge problem in practice
2014-08-30T22:34:57 < jpa-> not since i realized joys of in-circuit programming :P
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2014-08-30T22:38:35 < scrts> zyp: you spent 8k and you're doing contract stuff?
2014-08-30T22:38:46 < scrts> I mean you must live on this if you spend so much.. :)
2014-08-30T22:39:06 < jpa-> 8k per year is nowhere near enough to live on
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2014-08-30T22:39:34 < zyp> I'm not living on it, it's just hobby stuff
2014-08-30T22:39:43 < zyp> that I sell to fund more hobby stuff :p
2014-08-30T22:40:50 < jpa-> zyp: in norway, you don't have any anti-competition clauses in employment contracts, or you've applied for exception or just don't care? around here about every engineering job forbids one from doing other commercial engineering work
2014-08-30T22:41:42 < zyp> that's up to the employer
2014-08-30T22:42:17 < zyp> there were some stuff in mine too IIRC, but not that is a conflict with hobby stuff
2014-08-30T22:42:49 < jpa-> yeah, i guess the level of enforcement is pretty low around here also
2014-08-30T22:43:00 < jpa-> the clauses are just written very broadly
2014-08-30T22:48:28 < dekar__> jpa-, a few years ago I worked on something involving XAUI (4x 3.125G). A cyclone IV actually did the job, but it was one of those expensive GX ones.
2014-08-30T22:49:04 < jpa-> not typical hobby stuff, though :P
2014-08-30T22:49:25 < dekar__> Well yeah, was for my day job. :)
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2014-08-31T04:45:05 < dongs> sup blogs
2014-08-31T04:46:12 < emeb_mac> veggin' out
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2014-08-31T07:26:14 < dongs> innovating
2014-08-31T07:27:39 < emeb_mac> and foxconning?
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2014-08-31T07:29:12 < dongs> no, but i did load it for monday
2014-08-31T07:29:26 < dongs> monday morning will do something before I assburger myself into useless shit
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2014-08-31T10:03:32 < dongs> ah crap
2014-08-31T10:03:40 < dongs> APB1/APB2 have different clocks dont they
2014-08-31T10:04:12 < dongs> hmm
2014-08-31T10:06:08 < GargantuaSauce> you can configure the apb1 divider to be as slow as apb2 i think?
2014-08-31T10:06:30 < GargantuaSauce> at least on the f4, havent looked closely at the clock tree for the other lines
2014-08-31T10:09:48 < dongs> nah that isnt the problem
2014-08-31T10:09:51 < dongs> something else is fuqed
2014-08-31T10:10:22 < dongs> usart2/3 are on same APB2
2014-08-31T10:10:28 < dongs> but 3 gets initialized to like 76kbaud
2014-08-31T10:13:15 < dongs> what the acutal fuck
2014-08-31T10:13:29 < dongs> USART3_REMAP makes PB12 USART_CK and you CANNOT use it as gpio??
2014-08-31T10:13:46 < dongs> (F1
2014-08-31T10:18:55 < GargantuaSauce> oh yeah the remapping stuff on f1 is kind of dumb
2014-08-31T10:20:39 < dongs> uhh no something else is fucked
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2014-08-31T10:27:26 < dongs> shit i wrote before that worked now doesnt complete mindfuck
2014-08-31T10:35:57 < GargantuaSauce> the bits they have rotted
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2014-08-31T10:52:16 < GargantuaSauce> heheh found this in some random example code
2014-08-31T10:52:17 < GargantuaSauce> 	RCC_APB2ENR=0xFFFFFFFF;
2014-08-31T10:52:22 < GargantuaSauce> i guess that's one way to do it
2014-08-31T10:54:09 < upgrdman> lol
2014-08-31T10:55:25 < dongs> haha
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2014-08-31T11:45:34 < GargantuaSauce> man i am awful at crimping those little .1" terminals
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2014-08-31T12:08:04 < dongs> hmr
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2014-08-31T12:12:22 < dongs> ok, gonna do that swd thing as edge connector
2014-08-31T12:12:48 < GargantuaSauce> to replace pogo pins?
2014-08-31T12:13:41 < dongs> no on the smallboard im making
2014-08-31T12:13:50 < dongs> instea of it taking up spce on one side
2014-08-31T12:13:53 < dongs> err on pcb
2014-08-31T12:17:46 < dongs> so swd port is gonna be edge of pcb like http://static.rcgroups.net/forums/attachments/3/4/1/9/0/8/t5766589-232-thumb-10.jpg?d=1368140317 the 10pin connector there
2014-08-31T12:17:49 < dongs> just 1.27mm pitch
2014-08-31T12:18:02 < dongs> and pcb will be 1.5mm or someshit, so it will just stay put
2014-08-31T12:18:24 < dongs> err
2014-08-31T12:18:27 < dongs> 1.2mm
2014-08-31T12:25:44 < GargantuaSauce> cool
2014-08-31T12:27:16 < mumptai> wouldn't a semi-permanent connector be nice?
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2014-08-31T12:32:18 < dongs> its only for development
2014-08-31T12:36:58 < dongs> what was hotkey to drop via while routing?
2014-08-31T12:37:01 < dongs> 1 or 2 or something?
2014-08-31T12:37:12 < dongs> 2
2014-08-31T12:37:14 < dongs> k
2014-08-31T12:45:22 < Laurenceb__> http://regmedia.co.uk/2014/08/28/ikettle_smart_kettle.jpg
2014-08-31T12:45:25 < Laurenceb__> wtf
2014-08-31T12:45:48 < dongs> new dickstarter?
2014-08-31T12:46:21 < Laurenceb__> looks like it
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2014-08-31T13:29:45 < Tectu> dongs <3
2014-08-31T13:35:26 < Claude> dongs , numpad + and - , that way you can contine routing on the new layer (+/- switches layers)
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2014-08-31T14:04:39 < Laurenceb__> http://linuxgizmos.com/mips-tempts-hackers-with-raspbery-pi-like-dev-board/
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2014-08-31T14:37:01  * Tectu slaps jpa- 
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2014-08-31T14:47:12 < Laurenceb__> https://www.youtube.com/watch?v=SKLnGhwWtoc
2014-08-31T14:54:02 < GargantuaSauce> i really like what he did for the socket
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2014-08-31T15:05:10 < Laurenceb__> attn dongs
2014-08-31T15:05:11 < Laurenceb__> http://www.theregister.co.uk/2014/08/31/if_you_think_3d_printing_is_just_firing_blanks_just_you_wait/
2014-08-31T15:08:27 < GargantuaSauce> so witty
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2014-08-31T15:29:47 < dongs> Claude: yeah i did t hat. 2 was for dropping a via without changing layer
2014-08-31T15:29:55 < dongs> i.e. if im dropping gnd vias from stuff
2014-08-31T15:31:25 < Claude> ah
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2014-08-31T15:47:30 < dongs> what layer do i draw in to get a cutout on copper?
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2014-08-31T15:55:21 < jpa-> Tectu: do you slap your girlfriend also or do you not respect her?
2014-08-31T15:55:44 < Tectu> jpa-, depends on the situation/context
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2014-08-31T15:59:54 < Tectu> dongs, KiCAD has "cuts" layer
2014-08-31T16:04:40 < dongs> ghay
2014-08-31T16:04:44 < dongs> i dont think i can do a cutout on a pad
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2014-08-31T16:50:24 < dongs> http://i.imgur.com/DhEurvo.png almost succeeding
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2014-08-31T16:53:29 < zyp> wat
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2014-08-31T17:12:20 < zyp> http://imgur.com/a/txFWY
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2014-08-31T17:29:09 < dongs> http://i.imgur.com/sVtXQ6X.png ok that looks a lot better
2014-08-31T17:29:39 < _Sync_> that the fucking shit
2014-08-31T17:29:48 < _Sync_> the i2c on a 103 is completely broken
2014-08-31T17:30:50 < _Sync_> the bus freezes constantly and I can't really reset it out of that state
2014-08-31T17:30:58 < dongs> sync,
2014-08-31T17:31:16 < dongs> https://github.com/multiwii/baseflight/blob/master/src/drv_i2c.c#L332
2014-08-31T17:31:32 < dongs> you need to clock out scl before initializing i2c to unstick any  slaves
2014-08-31T17:31:46 < dongs> well, there's also possibility you really fucked the peripheral, but doing ^ usually works
2014-08-31T17:31:50 < _Sync_> yeah I tried that but I guess I need lots of delays
2014-08-31T17:31:52 < dongs> so you can at least keep debugging other shit
2014-08-31T17:32:16 < _Sync_> apart from that, the gimbal works ;)
2014-08-31T17:32:39 < _Sync_> currently using only the accel because trying to talk with the gyro fucks the i2c up
2014-08-31T17:32:48 < dongs> gj
2014-08-31T17:43:31 < dongs> hm, how do I put a 'jumper' between 2 pads in altium, to show that they're shorted by external casing or similar
2014-08-31T17:44:27 < dongs> hm theres some new jumper shit in 14.3 lets see if it fails or wat
2014-08-31T17:44:47 < dongs> hm schematic only
2014-08-31T17:44:49 < dongs> ghafgd
2014-08-31T17:47:59 < dekar> my solution to dodgy i2c slaves is power cycling them :D
2014-08-31T17:51:14 < Laurenceb__> lolz
2014-08-31T17:51:24 < Laurenceb__> yeah F1 i2c does that
2014-08-31T17:52:04 < Laurenceb__> i made it semi work
2014-08-31T17:52:05 < Laurenceb__> https://github.com/Laurenceb/STM32InertialMonitor/blob/master/i2c_int.c
2014-08-31T17:52:31 < dongs> yeah, my copy of your shit is at least readable
2014-08-31T17:52:42 < dongs> which i already pasted
2014-08-31T17:52:50 < Laurenceb__> well i can add a FOREHEAD_DICK just for you
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2014-08-31T17:55:26 < dekar> I just checked mine and what I do before every use is checking "if(sEE_I2C->CR1 || sEE_I2C->CR2)" and resetting the peripheral if needed
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2014-08-31T17:56:38 < dekar> doing so I never had problems on the f103 side, it's just that our device has to talk to really borked i2c slaves
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2014-08-31T17:57:27 < Laurenceb__> i was too busy...
2014-08-31T17:57:28 < Laurenceb__> Worokign on improved FIFO handing code for LSM330DL
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2014-08-31T18:08:20 < _Sync_> yeah that works dongs but makes the code slow :/
2014-08-31T18:08:29 < _Sync_> (no shit but eh)
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2014-08-31T18:10:42 < dongs> slowhat
2014-08-31T18:10:47 < dongs> you only need to do this at power up
2014-08-31T18:10:53 < dongs>  / reset
2014-08-31T18:14:39 < _Sync_> nope
2014-08-31T18:14:40 < _Sync_> :D
2014-08-31T18:14:45 < _Sync_> it fucks up in between
2014-08-31T18:14:48 < dongs> no
2014-08-31T18:14:50 < dongs> then youre doing it wrong
2014-08-31T18:15:03 < dongs> use i2c_soft.c t hen
2014-08-31T18:15:06 < dongs> if you keep breaking the peripheral
2014-08-31T18:20:16 < _Sync_> hm
2014-08-31T18:20:35 < _Sync_> I'm not using i2c interrupts but that should not matter
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2014-08-31T18:27:16 < GargantuaSauce> dongs you werent kidding about that board being small, jeez
2014-08-31T18:27:46 < GargantuaSauce> whats that, 30mm?
2014-08-31T18:28:14 < dongs> ya
2014-08-31T18:28:48 < dongs> 26x22 with rounded corners
2014-08-31T18:28:58 < dongs> just slightly over the size of battery holder
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2014-08-31T18:54:41 < _Sync_> hmm I'm not using stpenor lib, I'll port your code and see
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2014-08-31T21:04:58 < dekar> speaking of I2C, has anyone tried that CPAL library offered by ST?
2014-08-31T21:05:57 < dekar> I wanted to try it for a while, but never got around to do so: http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1743/LN1734/PF258336
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2014-08-31T21:31:28 < upgrdman> cute little robot:  http://gfycat.com/InsecureNaturalAlbatross
2014-08-31T21:34:14 < upgrdman> from:  https://www.youtube.com/watch?v=nUQsRPJ1dYw
2014-08-31T21:37:09 < Tectu> who of you knows if a container made out of PE is suitable for Sodium sulphate (etching solution)  ?
2014-08-31T21:37:50 < Steffanx> google does.
2014-08-31T21:38:46 < Steffanx> looks like a pretty nice robot, pretty smooth movements upgrdman
2014-08-31T21:38:56 < upgrdman> ya
2014-08-31T21:38:57 < qyx_> could be smoother
2014-08-31T21:39:28 < upgrdman> Tectu: i use the cheap "tupperware" as a container when etching. don't know what plastic it is though
2014-08-31T21:39:29 < Steffanx> sure.
2014-08-31T21:39:53 < upgrdman> Tectu: http://www.farrellf.com/projects/hardware/2013-06-01_PCB_Design_and_Etching/step04.jpg
2014-08-31T21:41:20 < Tectu> upgrdman, one owns this:  http://cdn-reichelt.de/bilder/web/artikel_ws/C900/AETZ01.jpg
2014-08-31T21:41:31 < Tectu> upgrdman, although probably a bit more expensive than tupperware
2014-08-31T21:41:34 < upgrdman> etch tank?
2014-08-31T21:41:37 < upgrdman> sure
2014-08-31T21:42:07 < dekar> Ätzgerät I, you gotta love German names :D
2014-08-31T21:42:17 < Tectu> :D
2014-08-31T21:42:27 < Tectu> dekar, they also have Ätzgerät II and III   :P
2014-08-31T21:42:29 < Tectu> (differ in size)
2014-08-31T21:42:39 < Tectu> and the UV crap is  "Belichtungsgerät I to III"
2014-08-31T21:43:51 < qyx_> :D
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2014-08-31T21:47:24 < Tectu> upgrdman, so from your picture i guess you use the same etching solution?
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2014-08-31T21:55:37 < zyp> why sodium sulphate?
2014-08-31T21:56:39 < Tectu> zyp, because Eisen-III-Chloride sucks?
2014-08-31T21:57:43 < zyp> so why aren't you using hydrochloric acid?
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2014-08-31T22:01:22 < Tectu> isn't that the hard stuff?
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2014-08-31T22:19:51 < zyp> hard?
2014-08-31T22:21:37 < zyp> both HCl and H2O2 is easy to obtain, and you just pour together a bit of each and some water, and then you have a nice quick-acting etchant
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2014-08-31T22:38:07 < qyx_> wut is vu32 type
2014-08-31T22:38:38 < qyx_> volatile uint32_t?
2014-08-31T22:48:51 < scrts> seems so
2014-08-31T22:48:54 < scrts> but never seen that
2014-08-31T22:50:24 < fbs> grep for typedef vu32?
2014-08-31T22:59:21 < qyx_> i did.. but wtf
2014-08-31T22:59:22 < qyx_> it
2014-08-31T22:59:37 < qyx_> it's like doing #define begin { and  #define end }
2014-08-31T23:02:31 < upgrdman> Tectu: i was afk. yes, i use sodpersul or ferChl, depending on how impatient i am.
2014-08-31T23:02:38 < upgrdman> and that photo was of sodpersul
2014-08-31T23:10:26 < Tectu> upgrdman, do you keep it in that container?
2014-08-31T23:10:53 < upgrdman> yes, for up to 1 month. then i toss it since it seems to weaken
2014-08-31T23:11:13 < Tectu> upgrdman, how do you "toss" it?
2014-08-31T23:11:35 < upgrdman> down the drain. yes i know...
2014-08-31T23:11:56 < upgrdman> i don't etch a whole lot, so don't start hyperventilating
2014-08-31T23:13:36 < zyp> the nice thing about HCl is that after using it, you just mix it with the NaOH you used to develop the photoresist, and HCl + NaOH = H2O + NaCl
2014-08-31T23:13:44 < zyp> i.e. it leaves you with salt water
2014-08-31T23:14:25 < upgrdman> and copper ions?
2014-08-31T23:14:45 < zyp> yeah, that's the bad part
2014-08-31T23:14:48 < _Sync_> you can plate that out
2014-08-31T23:23:49 < upgrdman> how do your plate it out?
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2014-08-31T23:30:31 < jadew`> I never got good results with HCl + H2O2
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2014-08-31T23:31:54 < jadew> either the HCl wasn't pure enough or I didn't mix it properly, tried it several times
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2014-08-31T23:34:17 < jadew> yeah
2014-08-31T23:34:56 < jadew> sometimes you need a PCB now
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2014-08-31T23:36:12 < jadew> preparing = pour etchant into something, cleaning it up = pouring it back into a bottle
2014-08-31T23:36:56 < jadew> R2COM, I can make several boards in 1 day, drill them and assemble the parts, how many 2 layer boards can you get delivered in the same day?
2014-08-31T23:37:01 < jadew> 0
2014-08-31T23:37:59 < upgrdman> 2 days from order to receive? doesn't sound cheap
2014-08-31T23:38:00 < qyx_> i also stopped etching board myself
2014-08-31T23:38:10 < qyx_> boards
2014-08-31T23:38:22 < jadew> I avoid it as well, but sometimes I just don't have the time to wait for a board
2014-08-31T23:38:31 < jadew> R2COM, no
2014-08-31T23:38:37 < jadew> lots of people are serious about now
2014-08-31T23:38:44 < jadew> and can't afford to pay for "now" price
2014-08-31T23:38:55 < qyx_> they are not serious, they just don't accept that things take time
2014-08-31T23:39:08 < qyx_> and its also a fail if management
2014-08-31T23:39:15 < qyx_> if you need something now
2014-08-31T23:39:17 < jadew> that's a stupid discussion
2014-08-31T23:39:41 < jadew> you make a lot of assumptions, reality is that sometimes you need a board and can't go on with out it
2014-08-31T23:40:05 < jadew> so you can either wait like an idiot for a week and stall your project or have it done in a couple of hours and go on with your work
2014-08-31T23:40:06 < qyx_> then in reality you can do what R2COM says
2014-08-31T23:42:00 < Steffanx> and some forget some people like to hobby bobby and aren't in a professional setting 24/7
2014-08-31T23:42:20 < Steffanx> some waste time playing boring zombie games.
2014-08-31T23:43:34 < Steffanx> Whatever you say sir.
2014-08-31T23:45:09 < qyx_> http://xkcd.com/386/
--- Log closed Mon Sep 01 00:00:20 2014