--- Log opened Tue Apr 01 00:00:57 2014
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2014-04-01T02:48:15 < dongs> https://en.wikipedia.org/wiki/File:Ubuntu_Cola_white_background.jpg wtf
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2014-04-01T02:49:58 < qyx_> Ubuntu Cola should not be confused with "open source" colas such as OpenCola.
2014-04-01T02:49:59 < qyx_> uhm
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2014-04-01T04:42:11 < munki_> can someone tell me what i'm doing wrong? I want to have a PWM output that matches my APB1 clock... but all i'm getting is like a 10khz square wave out of PC6. http://pastiebin.com/533a192dc9b45
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2014-04-01T05:18:55 < dongs> period = 1...??
2014-04-01T05:19:06 < dongs> with /1 prescaler
2014-04-01T05:19:11 < dongs> so you have TIM3 running at 168mhz
2014-04-01T05:20:58 < munki_> well, my sysclk is supposed to be 100mhz
2014-04-01T05:21:12 < munki_> according to the calculator
2014-04-01T05:21:16 < munki_> and the pll settings
2014-04-01T05:21:28 < dongs> o rite that
2014-04-01T05:21:59 < munki_> i thought the prescaler was based on the APB clock
2014-04-01T05:22:10 < munki_> and not sysclk
2014-04-01T05:22:26 < dongs> yeah. well, one of apbs runs at /2 and one at /1?
2014-04-01T05:22:28 < dongs> or whatever i forget
2014-04-01T05:22:36 < munki_> i have apb1 running at /16
2014-04-01T05:22:44 < munki_> lemme add my rcc config
2014-04-01T05:23:06 < munki_> updated
2014-04-01T05:23:25 < munki_> er
2014-04-01T05:23:27 < munki_> updated now
2014-04-01T05:24:30 < gxti> you're using PWM output but you never set a PWM value, unless i missed it
2014-04-01T05:24:41 < gxti> no idea how you get 10khz from that
2014-04-01T05:24:47 < munki_> from a scope
2014-04-01T05:24:59 < gxti> try something that's not a corner case, like period of 10 and value of 5, and see what happens
2014-04-01T05:25:11 < gxti> experiment with it. at least you'll get a better idea of what might be wrong.
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2014-04-01T05:32:28 < dongs> this new "HAL" doesnt look any beter than stdperiphaids
2014-04-01T05:33:17 < GargantuaSauce> every hal sucks
2014-04-01T05:33:20 < gxti> it moved the pointer to the peripheral to inside the struct, obviously 100% better
2014-04-01T05:33:29 < dongs> oh right
2014-04-01T05:33:43 < dongs> if(htim_base->Instance==TIM3){
2014-04-01T05:40:40 < munki_> lol
2014-04-01T05:40:52 < munki_> idk, it's the "current" firmware for this thing
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2014-04-01T05:46:44 < dongs> the only "current" firmware is writing to TIM3->xxx directly ^_^
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2014-04-01T05:54:11 < munki_> hahaha
2014-04-01T05:54:18 < munki_> i'm talking official from stm
2014-04-01T05:56:24 < GargantuaSauce> stdperiph?
2014-04-01T05:56:35 < GargantuaSauce> they make it pretty clear that that's "for reference only"
2014-04-01T05:56:45 < GargantuaSauce> and with good reason.
2014-04-01T05:59:07 < munki_> i'm talking about the stm32f4cube library
2014-04-01T05:59:21 < munki_> or rather
2014-04-01T05:59:24 < munki_> stm32cubef4
2014-04-01T06:00:23 < GargantuaSauce> i didn't know that was a thing
2014-04-01T06:00:24 < GargantuaSauce> > a graphical software configuration tool that allows generating C initialization code using graphical wizards.
2014-04-01T06:00:26 < GargantuaSauce> eeuuuuuhhhh
2014-04-01T06:02:11 < munki_> try it out, the code is actually very clean
2014-04-01T06:02:33 < GargantuaSauce> from your code snippet it doesnt look too different from stdperiph
2014-04-01T06:02:53 < munki_> it isn't
2014-04-01T06:02:53 < GargantuaSauce> and certainly less deliciously terse than poking the registers directly
2014-04-01T06:03:12 < munki_> but some of the more advanced functions appear to be abstracted way nicer
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2014-04-01T06:05:31 < GargantuaSauce> i would argue that a successful abstraction would have precluded the occurrence of your problem in the first place
2014-04-01T06:05:38 < munki_> true
2014-04-01T06:05:55 < GargantuaSauce> but that's getting into wank territory because i'm well aware that Programming Is Hard
2014-04-01T06:06:04 < munki_> i wish there was just more documentation.... that stm32f4 doc is nice
2014-04-01T06:06:09 < munki_> but there are no code examples or anything
2014-04-01T06:07:01 < upgrdman> what're you trying to do now?
2014-04-01T06:07:23 < munki_> long story short, i'm trying to get a 12mhz square wave output from pc6
2014-04-01T06:07:42 < munki_> to clock for an IC that i'm working with
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2014-04-01T06:13:20 < upgrdman> fwiw, if you want to skip libs and poke reg's directly, heres my sloppy code:   http://pastebin.com/JxZ9D8d0
2014-04-01T06:13:59 < upgrdman> you'll need to adjust the prescaler / arr / ccr as needed
2014-04-01T06:14:47 < munki_> interesting
2014-04-01T06:14:54 < munki_> thanks very much for that!
2014-04-01T06:15:06 < upgrdman> sur
2014-04-01T06:15:08 < upgrdman> sure
2014-04-01T06:15:16 < upgrdman> for the rest, see main.c in:
2014-04-01T06:15:18 < munki_> i know the register banging is way more in the spirit of embedded programming
2014-04-01T06:15:36 < upgrdman> code from here:  http://www.farrellf.com/projects/hardware/2012-11-23_Custom-Built_Servo_Tester/
2014-04-01T06:16:10 < upgrdman> it was my first real project with a non-arduino mcu, so don't expect gold ;)
2014-04-01T06:16:13 < munki_> but i am a fan of using libraries for readability and maintainability's sake. probably because my background is in web dev and not embedded
2014-04-01T06:18:01 < Bird|otherbox> yeah, I wish there were more libraries usable in deeply embedded work
2014-04-01T06:18:16 < Bird|otherbox> reinventing square wheels gets very old, very fast :P
2014-04-01T06:19:40 < qyx_> meh, my microsd logger thing is living its own life
2014-04-01T06:19:54 < qyx_> writing too much data and i am lazy to debug it
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2014-04-01T06:25:03 < emeb_mac> what are you logging?
2014-04-01T06:28:36 < qyx_> nothing yet
2014-04-01T06:29:52 < GargantuaSauce> microsd blogger
2014-04-01T06:30:33 < qyx_> wat, the function which writes to circular buffer is called at 10Hz
2014-04-01T06:30:42 < qyx_> it writes 1024B from dma buffer
2014-04-01T06:31:04 < qyx_> buf i am getting 500KB data after 1sec
2014-04-01T06:34:43 < GargantuaSauce> bad buffer logic?
2014-04-01T06:34:54 < GargantuaSauce> i've missed an underflow before too
2014-04-01T06:35:13 < GargantuaSauce> or overflow i guess
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2014-04-01T06:36:00 < qyx_> though the same but its not the case
2014-04-01T06:36:01 < qyx_> 		buf_len = OUTPUT_BUFFER_LEN / 2;
2014-04-01T06:36:10 < qyx_> uhm
2014-04-01T06:36:22 < qyx_> wrong constant :S
2014-04-01T06:44:24 < GargantuaSauce> whooopsie
2014-04-01T06:47:18 < qyx_> ok, now it works
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2014-04-01T08:21:32 < ds2> hmmmm... does ARM also have a free SWD programmer/debugger design?
2014-04-01T08:23:58 -!- claude is now known as Claude
2014-04-01T08:24:37 < emeb_mac> what?
2014-04-01T08:25:23 < emeb_mac> there are lots of SWD programmers out there. Some cheap, some not, some OSH, most not.
2014-04-01T08:25:53 < emeb_mac> ds2: what do you mean by free?
2014-04-01T08:27:33 < jpa-> maybe he is looking for some official design by ARM, like they have the armcc for a compiler etc.
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2014-04-01T08:29:49 < emeb_mac> maybe...
2014-04-01T08:30:06 < emeb_mac> thing is that most of the time "official ARM" means $$$
2014-04-01T08:31:14 < emeb_mac> and even if they have a recommended electrical design for an SWD interface you still need to interface it with some sort of debugger and/or programming software.
2014-04-01T08:33:14 < ds2> I heard some kind of reference design SWD thing
2014-04-01T08:33:33 < ds2> meant to compete with the jlink stuff
2014-04-01T08:33:45 < ds2> that's what someone was trying to tell me
2014-04-01T08:34:35 < emeb_mac> interesting
2014-04-01T08:34:40 < emeb_mac> never heard of it.
2014-04-01T08:37:59 < emeb_mac> most of the time jlink & stlink work fine
2014-04-01T08:39:49 < PaulFertser> CMSIS-DAP probably?
2014-04-01T08:41:38 < ds2> is CMSIS-DAP a design, firmware, or an actual hw thingie?
2014-04-01T08:41:49 < ds2> that name sounds roughly like what the guy was tossing around
2014-04-01T08:41:59 < emeb_mac> http://www.keil.com/support/man/docs/dapdebug/dapdebug_introduction.htm
2014-04-01T08:42:10 < emeb_mac> looks like firmware that runs on an MCU w/ USB
2014-04-01T08:43:00 < emeb_mac> talks to MDK or DS5
2014-04-01T08:43:12 < emeb_mac> haven't heard of any other tools that use it
2014-04-01T08:43:55 < PaulFertser> Protocol and reference firmware.
2014-04-01T08:44:01 < PaulFertser> Supported by OpenOCD.
2014-04-01T08:44:28 < emeb_mac> well, that's not bad
2014-04-01T08:44:39 < emeb_mac> know of anyone who has ever used it?
2014-04-01T08:44:57 < ds2> hmmm
2014-04-01T08:45:43 < PaulFertser> Yes, I do.
2014-04-01T08:46:05 < emeb_mac> cool.
2014-04-01T08:46:06 < ds2> shouldn't that be a nice drop in for a discovery board?
2014-04-01T08:46:22 < emeb_mac> how does it compare to others like stlink, jlink and bmp?
2014-04-01T08:46:23 < ds2> PaulFertser: what SoC do you use it with?
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2014-04-01T08:46:51 < PaulFertser> ds2: I don't use it myself yet, but I know people were trying it with atmel and freescale targets.
2014-04-01T08:47:17 < ds2> so that would suggests it supports more things then BMP
2014-04-01T08:47:18 < PaulFertser> emeb_mac: stlink is a high-level adapter, you can't mass-erase/unlock e.g. kl25z with it.
2014-04-01T08:48:01 < PaulFertser> ds2: bmp is a high-level adapter too, so yes, cmsis-dap supports more things as it allows low-level enough access.
2014-04-01T08:48:42 < ds2> what's a  "high level" or "low level" access in this context?
2014-04-01T08:50:29 < emeb_mac> interesting
2014-04-01T08:51:17 < PaulFertser> Highlevel is about 'gdb serial protocol' layer.
2014-04-01T08:51:47 < ds2> stlink works with low level stuff too like openocd
2014-04-01T08:52:36 < emeb_mac> but openocd needs to have specific algorithms & stubs for various architectures.
2014-04-01T08:52:57 < emeb_mac> perhaps a "low-level" device doesn't need that?
2014-04-01T08:54:55 < PaulFertser> ds2: no, stlink is a highlevel adapter.
2014-04-01T08:55:04 < PaulFertser> ds2: it's just that stlink doesn't flash on its own, right.
2014-04-01T08:59:59 < jpa-> i guess stlink does not allow to send raw SWD commands?
2014-04-01T09:00:29 < emeb_mac> raw... mmmm... sushi...
2014-04-01T09:00:37 < ds2> in PHX?
2014-04-01T09:00:49 < emeb_mac> ds2: not summer yet. still cool
2014-04-01T09:01:12 < ds2> still...
2014-04-01T09:01:31 < ds2> when I see a live tuna in the salt river...
2014-04-01T09:01:49 < emeb_mac> ds2: ever done anything with those Si570s and ADE-1 mixers?
2014-04-01T09:02:05 < ds2> emeb_mac: not yet
2014-04-01T09:02:15  * emeb_mac has a silly project in mind involving and F373...
2014-04-01T09:02:18 < ds2> paying stuff kept pre-empting them
2014-04-01T09:02:46 < ds2> the piles of bills tends to prefer paying projects
2014-04-01T09:02:58 < emeb_mac> :(
2014-04-01T09:04:31 < emeb_mac> anyone know what that cheap reflow oven is that zyp has?
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2014-04-01T09:04:44 < ds2> fire hazard?
2014-04-01T09:04:57 < emeb_mac> nah - seems reasonably well done
2014-04-01T09:05:08 < emeb_mac> not some arduino kludge
2014-04-01T09:05:28 < ds2> so far I am reasonably happy with hot air reflow
2014-04-01T09:05:54 < emeb_mac> how big a board can you do at once?
2014-04-01T09:06:08 < ds2> in theory, I have no limit
2014-04-01T09:06:18 < emeb_mac> big hot air source!
2014-04-01T09:06:24 < ds2> I like it cuz I can build up sections of the board at a time
2014-04-01T09:06:30 < emeb_mac> true
2014-04-01T09:06:33 < ds2> no... small hot air tool doing bits
2014-04-01T09:06:45 < ds2> it really makes bring ups less nerve wrecking
2014-04-01T09:06:52 < emeb_mac> I like that idea
2014-04-01T09:07:05 < emeb_mac> you stencil just a bit at a time?
2014-04-01T09:07:09 < ds2> doing a board for the bone and i got it piece mean
2014-04-01T09:07:16 < ds2> no stencil at the moment... just a syringe
2014-04-01T09:07:27 < emeb_mac> ah
2014-04-01T09:07:34 < ds2> probally going to have to do a stencil as I am over applying it for QFNs
2014-04-01T09:07:39 < ds2> the QFPs tolerated it quite well
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2014-04-01T09:07:49 < emeb_mac> yeah - those are hard to do w/ syringe
2014-04-01T09:08:05 < ds2> took 3 tries for a qfn-16
2014-04-01T09:08:07 < emeb_mac> kapton stencils are pretty cheap
2014-04-01T09:08:18 < ds2> I was able to do qfn's using wire solders in a single pass
2014-04-01T09:08:31 < ds2> it isn't the cost as much as it is not there when I need it
2014-04-01T09:08:38 < emeb_mac> heh
2014-04-01T09:08:40 < ds2> and I can't afford the expeditite
2014-04-01T09:08:46 < emeb_mac> just order stencil when you order the PCB
2014-04-01T09:08:57 < emeb_mac> OSHstencil got mine in 4days
2014-04-01T09:09:07 < ds2> does osh do straight CC's yet?
2014-04-01T09:09:14 < emeb_mac> dunno
2014-04-01T09:09:27 < ds2> never got around to begging the operator to do that
2014-04-01T09:10:15 < jpa-> CC?
2014-04-01T09:10:17 < emeb_mac> no - they only use PP
2014-04-01T09:10:22 < ds2> credit card
2014-04-01T09:10:41 < emeb_mac> but you can do direct credit card thru PP w/o setting up an account
2014-04-01T09:11:06 < ds2> only if the person is willing to accept the charges
2014-04-01T09:11:15 < ds2> i have ran into sites where that is not allowed
2014-04-01T09:11:39 < emeb_mac> From the OSHstencil site: "A PayPal account is not required, and if you just want to use your credit card directly, when you get redirected there will be an option in the bottom right corner to just pay direct without creating an account."
2014-04-01T09:11:54 < emeb_mac> so they will accept the charges
2014-04-01T09:12:01 < ds2> OSHstencil is different from OSH?
2014-04-01T09:12:15 < emeb_mac> you mean OSHpark?
2014-04-01T09:12:20 < ds2> yeah, the PCB folks
2014-04-01T09:12:23 < emeb_mac> the purple board house.
2014-04-01T09:12:28 < emeb_mac> yes - different folks
2014-04-01T09:12:34 < ds2> Ooooh
2014-04-01T09:12:39 < emeb_mac> OSH means "open source hardware" - generic term
2014-04-01T09:12:52 < ds2> gotcha... I took it to mean a spinoff of the pcb guys
2014-04-01T09:13:10 < emeb_mac> nope - these guys are in Utah, not Portland
2014-04-01T09:13:18 < emeb_mac> and they're orange, not purple. :)
2014-04-01T09:13:32 < ds2> do they adjust the gerbers for you?
2014-04-01T09:13:39 < emeb_mac> nope
2014-04-01T09:13:43 < emeb_mac> http://www.oshstencils.com/
2014-04-01T09:15:21 < ds2> ah bare bones, no CAM time
2014-04-01T09:15:24 < ds2> not bad for $%
2014-04-01T09:15:25 < ds2> $5
2014-04-01T09:15:30 < emeb_mac> ya
2014-04-01T09:18:20 < ds2> I should just order one... if things work, I need to do 3 more boards and for that doing them all at once is good
2014-04-01T09:19:11 < emeb_mac> it's cheap & fast - not much to lose
2014-04-01T09:19:32 < ds2> unless you are deal with $20 a pop chips :(
2014-04-01T09:19:32 < emeb_mac> would be nice if gerbv would do aperture shrinks & edits
2014-04-01T09:19:46 < emeb_mac> there's that
2014-04-01T09:19:48 < ds2> I think there are eagle ULP scripts to do that
2014-04-01T09:22:40 < ds2> based on what I can tell, a non controllered toaster oven should work fine
2014-04-01T09:25:23 < emeb_mac> I know a guy who does it that way
2014-04-01T09:25:38 < emeb_mac> just lets it heat on full for a set time, then shuts it off.
2014-04-01T09:26:50 < ds2> it is very obvious when it reflows
2014-04-01T09:27:09 < ds2> I might put in a thermocouple to see how much overheating
2014-04-01T09:27:31 < ds2> or if you got the $$$, there is the reflow kit from beta-layout
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2014-04-01T09:31:37 < FreezingCold> I've never been able to find any real information on this, how exactly does qemu simulate Cortex-M*?
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2014-04-01T09:33:00 < emeb_mac> ds2: yeah - I was wondering how much more a "real" reflow oven cost over a DIY one.
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2014-04-01T10:57:14 < dongs> I paid ~$2k shipped for F4N
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2014-04-01T11:11:45 < dongs> zyp: i think your shit is done and I didnt hear any bitching about connectors this time so i guess it passed
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2014-04-01T11:17:26 < kuldeepdhaka> a device is sending 64bytes per milliseconds (through bulk cdc)(assume theoretically for simplicity, it would always be less/equal though). so that means ~64kB/s but the site says (2 x 428.6kSps) = ~850kSps where 1sample=1byte that means the rate is 800Kb/s. http://tomeko.net/miniscope_v2d/  can anyone kindly explain the mismatch? (i didnt find any "average"|"avg" keyword in source (through cat'ng)  neither)
2014-04-01T11:17:38 < kuldeepdhaka> *per millisecond
2014-04-01T11:18:41 < kuldeepdhaka> *that means the rate is 850kB/s
2014-04-01T11:19:41 < jpa-> how do you determine "64 bytes per millisecond", it does not say that anywhere?
2014-04-01T11:22:47 < kuldeepdhaka> usb bulk endpoint can be maximum of 64byte and can queried in 1ms interval (max)
2014-04-01T11:23:48 < jpa-> yes, but if you have an outstanding request, it will request again within the same frame
2014-04-01T11:24:01 < jpa-> otherwise it would be impossible to get full bandwidth out of USB
2014-04-01T11:25:02 < jpa-> basically: if the application on PC requests 1024 bytes, and device sends 64 bytes, the USB host will request again until the packet is less than 64 bytes or full request has been satisfied or allocated time in frame runs out
2014-04-01T11:27:03 < kuldeepdhaka> jpa-, oh
2014-04-01T11:32:30 < kuldeepdhaka> jpa-, Thank you :)
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2014-04-01T12:21:25 < zyp> dongs, great
2014-04-01T12:22:05 < zyp> kuldeepdhaka, it's interrupt endpoint that's limited to one transfer per frame
2014-04-01T12:23:38 < kuldeepdhaka> zyp, and so as iso?
2014-04-01T12:23:52 < zyp> yes, but iso isn't restricted to 64 bytes per packet
2014-04-01T12:24:36 < zyp> anyway, FS USB can fit up to 19 64-byte packets per frame, giving you a transfer rate of 1.2 MB/s
2014-04-01T12:26:20 < zyp> iso can do up to 1023 bytes per packet on FS
2014-04-01T12:26:53 < kuldeepdhaka> (and guaranteed bandwidth)
2014-04-01T12:27:31 < zyp> sure, provided enough bandwith is available to guarantee it
2014-04-01T12:27:59  * kuldeepdhaka always though how this devices are sending so much data using bulk
2014-04-01T12:28:04 < kuldeepdhaka> *these
2014-04-01T12:29:07 < zyp> bulk is best effort, maximal speed, which is the best fit for most applications
2014-04-01T12:30:41 < zyp> interrupt is low latency, small data rates, which fits stuff like HID devices
2014-04-01T12:31:43 < zyp> and iso is for constant data rates
2014-04-01T12:33:29 < zyp> having an isochronous endpoint enabled reserves the bandwith on the bus regardless of you using it all or not, which means it would be wasteful in applications that doesn't have a constant data rate
2014-04-01T12:36:30 < kuldeepdhaka> in oscilloscopes iso is better than bulk since their is constant data right?
2014-04-01T12:37:26 < kuldeepdhaka> *in usb
2014-04-01T12:37:46 < karlp> not if it it's not capturing
2014-04-01T12:37:51 < karlp> or not triggered,
2014-04-01T12:39:06 < kuldeepdhaka> (assuming it has altSetting=0 with zero bandwidth interface)
2014-04-01T12:44:16 < zyp> dongs, oh, btw, I'm interested in pcba on a batch of workpcbs
2014-04-01T12:45:06 < kuldeepdhaka> Thanks zyp karlp :)
2014-04-01T12:45:22 < zyp> dongs, same design as the one you got me prototypes of
2014-04-01T12:46:12 < zyp> guy just called me and said I should just get 100 of those
2014-04-01T12:46:45 < zyp> so that probably means I'm going to get 1k of those tw connectors too, since that was MOQ
2014-04-01T12:56:19 < dongs> sire
2014-04-01T12:56:20 < dongs> sure
2014-04-01T12:59:46 < dongs> i can arrange
2014-04-01T12:59:56 < dongs> and probably parts as wel unless you have those
2014-04-01T13:00:36 < zyp> the SMPS part should not be populated, so there's not much parts anyway
2014-04-01T13:01:46 < zyp> just the connectors, one chip and seven passives, IIRC
2014-04-01T13:02:02 < zyp> by connectors I also mean the 2.54mm headers on the ends
2014-04-01T13:02:09 < dongs> are those dip
2014-04-01T13:02:17 < dongs> if theres no dip i can probly handle all this shit here
2014-04-01T13:02:21 < dongs> since its only 100
2014-04-01T13:03:15 < zyp> they are pth, but if smt is cheaper I can probably revide the design
2014-04-01T13:03:29 < zyp> cheaper = saves me money
2014-04-01T13:04:53 < dongs> probly save a couple 100 by non-framed stencil and me doing pcba here. it wont cost any more to do dip vs smt at the arcin-doing place but it'll cost more for framed stencil and actual assembly.
2014-04-01T13:05:26 < dongs> catch with it doing locally is i won't get to it until 18th april
2014-04-01T13:05:33 < dongs> so thats also a factor :)
2014-04-01T13:06:17 < zyp> ah
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2014-04-01T13:07:17 < zyp> I'll ask how fast they need the boards and decide from that
2014-04-01T13:12:18 < dongs> yep
2014-04-01T13:13:43 < dongs> https://www.youtube.com/watch?v=zLNaaFw51O0 relevant
2014-04-01T13:16:44 < karlp> wat
2014-04-01T13:16:59 < karlp> frakking artistes
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2014-04-01T13:24:06 < dongs> i dont remember if those connectors had some lead time
2014-04-01T13:24:14 < dongs> but probably nothing bad
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2014-04-01T14:59:06 < Laurenceb__> http://www.raspberrypi.org/
2014-04-01T14:59:13 < Laurenceb__> "Optimised for use with the Raspberry Pi"
2014-04-01T14:59:14 < Laurenceb__> lolz
2014-04-01T14:59:58 < Steffanx> boring
2014-04-01T14:59:59 < qyx_> damned fatfs
2014-04-01T15:00:10 < qyx_> it randomly works
2014-04-01T15:11:11 < jpa-> i would think you would be more annoyed that it randomly does not work
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2014-04-01T15:13:06 < qyx_> sometimes it creates file, sometimes it doesn't
2014-04-01T15:13:42 < qyx_> sometimes it needs reformatting to be able to mount it
2014-04-01T15:14:58 < qyx_> or it creates file without error, but its size is 0
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2014-04-01T16:18:56 < Cyric> hey guys could you help me to better understand the VECTOR TABLE for interrupts?
2014-04-01T16:19:08 < Cyric> what is that and how to use it?
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2014-04-01T17:09:38 < Miek> it's a list of pointers to interrupt handlers
2014-04-01T17:11:01 < Miek> Cyric: i'm not sure what you mean by "how to use it?"
2014-04-01T17:11:18 < Cyric> well
2014-04-01T17:11:58 < Cyric> i am working on trying to understand the interrupts
2014-04-01T17:12:16 < Cyric> and i would like to build a program that turn on the led for 3 seconds
2014-04-01T17:13:28 < Cyric> either if i press the button (EXTI interrupts) OR when a timeout occour (Every 2 hours) OR when a new data is sent on USART
2014-04-01T17:14:40 < Cyric> i think after this easy example i should get the idea of how to play with the interrupt in a good way
2014-04-01T17:15:22 < Cyric> now i am reading the F.MAnual and i found that table.. where there is written USART1 (the one that i need)
2014-04-01T17:15:46 < Cyric> and i was wondering if that table contain a partial solution of my problem
2014-04-01T17:16:01 < Miek> unless you're working in pure assembly, the vector table is not something you need to worry about, it's all hidden away in the startup asm - all you need to do is define the appropriate C function for your interrupt handler
2014-04-01T17:16:14 < Cyric> ok
2014-04-01T17:16:41 < Cyric> so the exti interrupts is fine and also the timer interrupt
2014-04-01T17:16:48 < Cyric> i think i can manage it
2014-04-01T17:17:20 < Cyric> now, how to generate an interrupt when a new usart data is available?
2014-04-01T17:17:52 < karlp> turn on the interrupt that does that?
2014-04-01T17:18:25 < Cyric> this the theory that i am missing
2014-04-01T17:18:42 < Cyric> so basically we have the EXTI interrupts that are connected to the physica channels
2014-04-01T17:19:52 < Cyric> and then have the NVIC interrupt that is a vector that collect all the interrupts and store it in a priority queu
2014-04-01T17:20:50 < Cyric> and then there is the IRQHandler rutine that i have to write for handling the interrupt.. right?
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2014-04-01T17:21:32 < Cyric> so every interrupt must be mapped into the NVIC right?
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2014-04-01T18:45:23 < jonsowman> afternoon guys, do the cortex M0s support SWO/
2014-04-01T18:45:24 < jonsowman> ?
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2014-04-01T18:48:47 < Claude> jonsowman, don't know for sure but i guess not. not even all M3s support SWO (STM32L151 for example)
2014-04-01T18:49:20 < jonsowman> Claude: ok thanks, I can't find any refernce to it in the reference manual. however on the discovery board it's connected to PB3 on the F0
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2014-04-01T18:51:40 < Claude> i guess not . e.g. "Since the Cortex-M3 trace port only requires 5 signals (4 bit data and trace clock), the trace signals
2014-04-01T18:51:40 < Claude> can easily be merged into a 20-pin debug connector. For microcontroller products that do not
2014-04-01T18:51:40 < Claude> require trace (e.g. Cortex-M0 or Cortex-M3 without trace), an even smaller connector can be used. "
2014-04-01T18:51:47 < Claude> http://infocenter.arm.com/help/topic/com.arm.doc.faqs/attached/13634/cortex_debug_connectors.pdf
2014-04-01T18:52:05 < jonsowman> cool, thank you
2014-04-01T18:52:09  * Claude couldn't arse himself to open the M0 reference manual :)
2014-04-01T18:52:16 < jonsowman> i know what you mean!
2014-04-01T18:55:00 < Claude> ohh looks like cortex m0+ can do svo
2014-04-01T18:55:22 < jonsowman> are there any gnu utils for viewing SWO output?
2014-04-01T18:55:30 < jonsowman> only stuff google turns up is from like, Atollic
2014-04-01T18:56:18 < Claude> yeah using atollic too , and i don't know of any free/gnu tools for swo
2014-04-01T18:56:26 < jonsowman> okay
2014-04-01T18:56:32 < jonsowman> i'll stick with a USART for now then
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2014-04-01T18:59:33 < Claude> ah i guess you mean by SWO the printf() through SWO then ? thats called ITM
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2014-04-01T18:59:53 < jonsowman> Claude: oh interesting, sorry I didn't know that
2014-04-01T18:59:59 < jonsowman> do the M0s support that?
2014-04-01T19:00:41 < Claude> just clicked trough the m3 reference manual , but no signs of ITM on the M0 or M0+
2014-04-01T19:01:06 < jonsowman> :(
2014-04-01T19:01:58 < jonsowman> that's a shame
2014-04-01T19:02:48 < Claude> yeah lacking ITM/SWO on the stm32l151 is a shame too :)
2014-04-01T19:03:11 < jonsowman> never mind, thanks for your help :D
2014-04-01T19:03:14 < Claude> but i have also a uart on my custom debug connector :)
2014-04-01T19:03:20 < Claude> np :)
2014-04-01T19:03:21 < jonsowman> ooi, any gnu utils just for ITM?
2014-04-01T19:03:32 < Claude> nope not that i know off
2014-04-01T19:03:36 < jonsowman> okay
2014-04-01T19:03:57 < Claude> but maybe stlink or openocd has allready something
2014-04-01T19:05:37 < karlp> Claude: l151 definitely has itm/swo
2014-04-01T19:05:48 < karlp> m3 and m4 have SWO, m0/m0+ do not.
2014-04-01T19:06:05 < karlp> m0/m0+ has "micro trace buffer" but I
2014-04-01T19:06:08 < karlp> 've never used it.
2014-04-01T19:06:40 < jonsowman> interesting
2014-04-01T19:06:44 < jonsowman> not come across that
2014-04-01T19:06:48 < karlp> https://github.com/karlp/swopy has some support for reading it, as does BMP, and openocd has some support too, though in my opinion openocd's support is broken.
2014-04-01T19:07:06 < jonsowman> I do have a BMP
2014-04-01T19:07:34 < karlp> then in theory you can play with the magic tpa stuff
2014-04-01T19:07:40 < karlp> but i've never used that either
2014-04-01T19:07:50 < karlp> it sort of depends what you're doing with SWO,
2014-04-01T19:08:00 < karlp> a few examples only use it as a console port, with a single stimulus port
2014-04-01T19:08:04 < karlp> which is kind a lame and boring
2014-04-01T19:08:10 < jonsowman> i was really after an easy way to printf to a debug terminal
2014-04-01T19:08:16 < jonsowman> instead of using up a usart
2014-04-01T19:08:23 < karlp> yeah, that's the normal thiung people do with it.
2014-04-01T19:08:56 < karlp> but you can also print timestamped data to it with multiple channels
2014-04-01T19:09:12 < jonsowman> wikipedia (font of all knowledge, I realise) says MTB is "unique to m0+"
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2014-04-01T19:18:01 < Claude> kalp, huh? strange ITM is working great on my F4 HW , but on my L1 Hardware not
2014-04-01T19:19:20 < zyp> ITM has a bunch of optional parts that can be enabled or left out by the vendor
2014-04-01T19:19:42 < zyp> so you might want to check that the function you want to use is present in your hardware
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2014-04-01T19:20:09 < Claude> nope fure sure , STM32L151C6 has no ITM
2014-04-01T19:20:12 < Claude> fore
2014-04-01T19:20:16 < Claude> for lol
2014-04-01T19:20:34 < zyp> well, I mean, entire ITM is probably optional :)
2014-04-01T19:21:23 < Claude> yeah it is
2014-04-01T19:22:05 < karlp> well, all my SWO work was done on an l151c6, so....
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2014-04-01T19:23:27 < Claude> hmm not so sure anymore if the L151 really doesn't do ITM :/
2014-04-01T19:24:36 < karlp> trust me, it has ITM.
2014-04-01T19:25:32 < Claude> hmm but how can i use it , karlp ?
2014-04-01T19:26:13 < Claude> datasheet says no , reference manual says yes.
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2014-04-01T19:26:28 < karlp> https://github.com/karlp/blog-code-samples-swo/tree/master/swo-1-printf
2014-04-01T19:26:36 < karlp> what datasheet are you looking at that says "no"?
2014-04-01T19:26:49 < karlp> and http://false.ekta.is/2013/12/using-swoswv-streaming-data-with-stlink-under-linux-part-2/ and part 1
2014-04-01T19:26:55 < karlp> and hassle me to finish writing up part 3
2014-04-01T19:27:18 < Claude> well i'm using ITM on my F4 quite intensive :)
2014-04-01T19:27:35 < Claude> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00078689.pdf
2014-04-01T19:27:57 < Steffanx> ITM and SWO are not the same thing are they?
2014-04-01T19:27:58 < Claude> it doesn't say "no" but also not "yes" like in the F4 or F3 datasheets
2014-04-01T19:28:07 < Claude> ITM works over SWO
2014-04-01T19:28:09 < karlp> SWO goes through the ITM
2014-04-01T19:28:14 < karlp> or inside out
2014-04-01T19:28:16 < Claude> or that
2014-04-01T19:28:17 < Steffanx> heh
2014-04-01T19:28:34 < karlp> oh, Claude, do you mean the full tracing?
2014-04-01T19:28:37 < karlp> that requires the extra pins?
2014-04-01T19:28:40 < Claude> nope just ITM
2014-04-01T19:28:51 < Claude> printf style debugging
2014-04-01T19:29:19 < karlp> then that github link I sent you was developed and tested on l1 parts
2014-04-01T19:30:11 < Claude> cool thanks , will give it a try tomorrow , allready 1 hour over , stupid daylight saving time confues me :)
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2014-04-01T21:36:29 < Laurenceb__> why so many people O_o
2014-04-01T21:36:34 < Laurenceb__> used to be like 10 of us
2014-04-01T21:37:39 < Laurenceb__> http://mayaposch.blogspot.co.uk/2014/03/how-i-am-doing.html
2014-04-01T21:37:45 < Laurenceb__> tl;dr  : badly
2014-04-01T21:37:54 < aadamson> sssshhhh I told everyone
2014-04-01T21:38:00 < synic> *shrug*, I saw folks talking about stm32 in #electronics not too long ago, and now I'm here
2014-04-01T21:39:32 < Laurenceb__> ##electronics is full of freaks ^
2014-04-01T21:39:47 < BrainDamage> why are yo complaining, more audience for your crap
2014-04-01T21:39:48 < synic> welp now half of them are in here
2014-04-01T21:40:31 < aadamson> and probably half of those here have never touched an STM, they just think it's another arduino due to all the converting platforms of late :(...
2014-04-01T21:40:35 < Laurenceb__> soon we will probably hear more from hackitten then
2014-04-01T21:41:06 < synic> aadamson: hopefully some of those folks actually will try it.
2014-04-01T21:41:49 < aadamson> umm... let's see, how can we dumb down a perfectly good platform... oh yeah, put 12lbs of garbage in the libraries and use wiring.... sigh
2014-04-01T21:42:03 < aadamson> sheesh, I'm beginning to sound like dongs!
2014-04-01T21:42:23 < synic> you haven't bashed linux yet
2014-04-01T21:43:19 < aadamson> I'll get there...  :)  here's my contribution to science (2011 done on an F1, now on an F3)... pro mini feature/function/footprint/arduino compatible... but at 3v3 - https://dl.dropboxusercontent.com/u/6730484/STM32%20MiniF3.JPG
2014-04-01T21:43:23 < aadamson> just cuz you can
2014-04-01T21:43:42 < aadamson> oh on an F303
2014-04-01T21:44:11 < Steffanx> clean it up a bit and it's nice aadamson  :)
2014-04-01T21:44:28 < synic> aadamson: got a schematic for that? :)
2014-04-01T21:44:29 < aadamson> yeah, it's been redone since then actually,
2014-04-01T21:44:31 < Steffanx> that connector on the right is swd/jtag?
2014-04-01T21:44:37 < Steffanx> *left
2014-04-01T21:44:48 < aadamson> the 2 pins vertical are swd
2014-04-01T21:45:03 < aadamson> the white connector behind is 6 pin gps/serial connector
2014-04-01T21:45:30 < aadamson> power supply has been redone to be much smaller, huge reset button is gone for something more modern
2014-04-01T21:45:58 < aadamson> and I have a dumbed down bootloader for it so you don't have to deal with boot0/nrst, etc :)
2014-04-01T21:46:01 < aadamson> to program it
2014-04-01T21:46:18 < aadamson> usb is on the bottom under the white connector
2014-04-01T21:46:20 < aadamson> mini b
2014-04-01T21:46:43 < aadamson> oh and the vias got tented (missed that in a board spin - duh)
2014-04-01T21:46:54 < Steffanx> time to start a kickstarter project: matcharmbox v2
2014-04-01T21:46:58 < Laurenceb__> i use RN-42 with the modem control pins for bootloading
2014-04-01T21:47:16 < aadamson> 72mhz, 256k, 40k ram, hwfp, and all the rest of the goodies...
2014-04-01T21:47:55 < aadamson> I even told the sparkcore guys that they screwed up... why do an F1 when the f3 is only a few pennies more money... duh, I offered to give them the design
2014-04-01T21:47:58 < aadamson> but they said nope...
2014-04-01T21:48:08 < Steffanx> why f3 when you can do f4? :D
2014-04-01T21:48:15 < aadamson> can't do an f4 in 48pin
2014-04-01T21:48:17 < aadamson> tho
2014-04-01T21:48:23 < Steffanx> ah, duh.
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2014-04-01T21:48:28 < aadamson> and you don't need 64pin
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2014-04-01T21:49:13 < aadamson> just a fun little project...
2014-04-01T21:49:48 < aadamson> I think my next thing to try is to make an openlog, but with an f1 or l1 and microsd on the other side... maybe bring out some ADC pins as well as serial :)
2014-04-01T21:49:52 < aadamson> but that's down the list
2014-04-01T21:50:30 < aadamson> The hab guys already saw this, but I even have a *radio* shield for it :)... https://dl.dropboxusercontent.com/u/6730484/DSCN2416.JPG
2014-04-01T21:52:17 < aadamson> I guess I really should clean up the schematics and just release them.... I'm certainly not going to do anything with it...
2014-04-01T21:52:34 < synic> aadamson: got a pic of the bottom?
2014-04-01T21:54:51 < Steffanx> aadamson is a great fan of oshpark i see
2014-04-01T21:55:06 < aadamson> hehe, they are just easy
2014-04-01T21:55:08 < superbia> sup
2014-04-01T21:55:18 < Steffanx> tha sky etc.
2014-04-01T21:55:43 < aadamson> https://dl.dropboxusercontent.com/u/6730484/DSCN2370.JPG :)
2014-04-01T21:57:11 < aadamson> synic don't have one, but here's a quick simulation with eagle3d of what it looks like on the bottom
2014-04-01T21:57:44 < aadamson> https://dl.dropboxusercontent.com/u/6730484/STM%20Mini-bottom.png
2014-04-01T21:58:30 < synic> ah, so the filtering caps are all on the top near the one corner of the stm32
2014-04-01T21:58:39 < Steffanx> i see you dont use breadboards ;)
2014-04-01T21:59:04 < synic> pretty new to all this, but I'm curious to see how other people interpret "as close as possible to the supply pins"
2014-04-01T21:59:12 < aadamson> yea, all that row above the processor
2014-04-01T21:59:29 < aadamson> it depends, normally I try to put them *at the corners*, but on that board I didn't
2014-04-01T21:59:47 < aadamson> some people don't include them at all :(
2014-04-01T22:00:24 < synic> huh, corners seems like a good idea.  I designed my first board in kicad around the tssop-20 package
2014-04-01T22:00:32 < synic> and I found it quite challenging to put them super near the pins
2014-04-01T22:00:51 < synic> but the corner on the lqfp64 seems like it would be easier
2014-04-01T22:01:11 < aadamson> https://dl.dropboxusercontent.com/u/6730484/DSCN2443.JPG - a little more traditional
2014-04-01T22:01:15 < aadamson> on a 48 pin l1
2014-04-01T22:01:33 < Steffanx> that is 0603?
2014-04-01T22:01:45 < aadamson> yeah the mini is 0402, the others are all 0603
2014-04-01T22:01:52 < aadamson> using a stencil and a toaster oven
2014-04-01T22:02:11 < Steffanx> the resistors are 0402 too?
2014-04-01T22:02:20 < aadamson> https://dl.dropboxusercontent.com/u/6730484/X8R2Analog-bulk.JPG - and just to make sure you know I single handedly keep laen in business :) - https://dl.dropboxusercontent.com/u/6730484/X8R2Analog-bulk.JPG
2014-04-01T22:02:34 < aadamson> on the mini, all the caps and res are 0402
2014-04-01T22:02:43 < aadamson> except for the electrolytics
2014-04-01T22:02:48 < aadamson> or in this case tants
2014-04-01T22:03:14 < aadamson> the 50x50 3 axis gimbal controller is all 0603 and that last board I showed the long narrow one is all 0603
2014-04-01T22:03:20 < Steffanx> ohm i was looking at the pcb with the  gps/antenna
2014-04-01T22:03:29 < aadamson> thats 0603
2014-04-01T22:04:12 < Steffanx> i only used oshpark once.. was funny though. Ordered from oshpark and itead at the same time. China was faster :P
2014-04-01T22:04:15 < aadamson> and I used a *new to me* crystal - Y8 in a 1.6x2mm size I think wicked tiny, but it worked out just fine
2014-04-01T22:04:50 < Steffanx> production was faster, shipping slower
2014-04-01T22:04:51 < aadamson> yeah depends, I will order *volume* boards from china, but prototypes all got a oshpark and I use oshstencils for cheap stencils
2014-04-01T22:06:18 < fbs> guess oshpark is ok if youre in the us
2014-04-01T22:06:46 < aadamson> and I am :)
2014-04-01T22:07:05 < aadamson> https://dl.dropboxusercontent.com/u/6730484/DSCN2438.JPG - more pcb porn
2014-04-01T22:07:19 < fbs> what is it?
2014-04-01T22:08:04 < aadamson> bottom pv(solar)/buck smps/power board, middle 1 cell AA/AAA boost smps power board/top the bare stm32l1/gps/radio board
2014-04-01T22:08:28 < fbs> gps looks familiar, which is it?
2014-04-01T22:08:34 < aadamson> pv(solar)/1S lipo buck smps/power board
2014-04-01T22:08:58 < aadamson> https://dl.dropboxusercontent.com/u/6730484/radio.png
2014-04-01T22:09:05 < aadamson>  :) - blox
2014-04-01T22:09:06 < aadamson> ublox
2014-04-01T22:09:09 < fbs> ah yes
2014-04-01T22:09:14 < fbs> eagle?
2014-04-01T22:09:25 < aadamson> no - shudder the thought... diptrace
2014-04-01T22:09:32 < fbs> lel dicktrace
2014-04-01T22:09:48 < aadamson> yeah, dongs favorite
2014-04-01T22:10:08 < fbs> atleast you got enough vias
2014-04-01T22:10:19 < aadamson> actually all those boards are my first DT boards, I've done Altium (hate it for little projects) and Eagle, done with it now too
2014-04-01T22:10:32 < fbs> why hate altium for small projects?
2014-04-01T22:10:47 < aadamson> ah RF wants ground *curtains* around the rf circuits
2014-04-01T22:11:16 < aadamson> that's an si4463 on the bottom of that board, digital pll above that, the stm32l1 and the gps
2014-04-01T22:12:10 < aadamson> https://dl.dropboxusercontent.com/u/6730484/USB-bob.png - I should see this board any day now.
2014-04-01T22:12:28 < fbs> usb breakout?
2014-04-01T22:12:31 < aadamson> how to add a usb completel with disconnect to an stm discovery/nucleo that doesnt have a target usb
2014-04-01T22:12:34 < aadamson> yep
2014-04-01T22:12:45 < fbs> no esd protection?
2014-04-01T22:12:51 < aadamson> nah
2014-04-01T22:13:16 < aadamson> rarely included on the actual board too every look at an eval or discovery schematic
2014-04-01T22:13:43 < fbs> adding footprints never hurts
2014-04-01T22:14:09 < aadamson> I have a vcp that I now have made run on pretty much all the platforms that I use, but only the rare few (f3 and f4) discovery and none of the nucleo provide target usb
2014-04-01T22:14:40 < aadamson> so I said screw it and did a board with dual transistors for disconnect, etc
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2014-04-01T22:34:53 < djlewis> aadamson: nice board work
2014-04-01T22:37:11 < synic> aadamson: tried kicad at all?
2014-04-01T22:39:39 < bvsh> i just retired altium in favor of kicad.. it's awesome.
2014-04-01T22:39:45 < fbs> wut
2014-04-01T22:40:09 < synic> I like it.  It can be frustrating, but I like the hotkey flow
2014-04-01T22:40:20 < synic> frustrating because of little bugs here and there
2014-04-01T22:40:36 < bvsh> beats booting windows.
2014-04-01T22:40:54 < synic> hah
2014-04-01T22:41:58 < synic> and free with no limits
2014-04-01T22:44:32 < fbs> altium is 'free'
2014-04-01T22:44:34 < fbs> has no limts
2014-04-01T22:45:23 < synic> oh nice
2014-04-01T22:46:16 < fbs> except that it crashes often
2014-04-01T22:46:36 < synic> I guess it has that in common with kicad :)
2014-04-01T22:51:36 < aadamson> I tried kicad a while ago, and just didn't like it... probably worth another try, but for now I'm pretty happy with diptrace - oh and I just got my usb-bob boards :)
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2014-04-01T22:56:42 < bvsh> i actually tried kicad a while ago and didn't like it either..
2014-04-01T22:57:35 < bvsh> but now it looks like it's to the point of being usable ;)
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2014-04-02T02:07:23 < munki_> dongs: figured out my issue
2014-04-02T02:11:10 < gxti> and what was it
2014-04-02T02:13:13 < munki_> the mspinit function only gets called once per program
2014-04-02T02:13:49 < munki_> so having the init code for the timer behind an if statement depending on which timer i was initalizing was making it so only the first one was starting
2014-04-02T02:14:16 < gxti> a very helpful framework you have there
2014-04-02T02:14:50 < munki_> yeah...
2014-04-02T02:14:53 < munki_> i blame STM
2014-04-02T02:14:55 < munki_> they push it!
2014-04-02T02:18:27 < munki_> also, these square waves look like buttholes at 6mhz
2014-04-02T02:19:25 < munki_> any ideas on how to square them out more?
2014-04-02T02:19:31 < munki_> i'm getting shark fins on my o-scope
2014-04-02T02:20:27 < gxti> i don't think gpios have a "butthole" mode, or a "shark fin" mode. it's probably your method of probing the circuit. but you can try messing with the output speed anyway.
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2014-04-02T02:23:27 < qyx_> meh, i am getting only 0x00 from p2m dma
2014-04-02T02:23:33 < qyx_> i assume i am doing something wrong
2014-04-02T02:27:14 < munki_> gxti: i figured. I think the capacitance is just too high
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2014-04-02T02:43:31 < FreezingCold> I'm thinking of trying to bit bang USB for the hell of it in a final project, good or bad idea?
2014-04-02T02:43:43 < FreezingCold> Is latency with bit banged USB way worse?
2014-04-02T02:44:58 < englishman> sounds like a canadian idea
2014-04-02T02:45:24 < qyx_> steal avr vusb code
2014-04-02T02:45:50 < FreezingCold> englishman: ....how?
2014-04-02T02:45:57 < gxti> yes, avr tards have already done it. and yes, it's a bad idea.
2014-04-02T02:46:10 < gxti> latency doesn't really have anything to do with it, you have to meet usb timing either way.
2014-04-02T02:46:16 < FreezingCold> gxti: I know it must be a bad idea, but why?
2014-04-02T02:46:28 < englishman> lack of sunlight and cold leads to arduinoness
2014-04-02T02:46:29 < FreezingCold> assuming you have enough free ROM
2014-04-02T02:46:37 < gxti> because you're wasting time writing code to bitbang USB that you could be using to do something useful
2014-04-02T02:46:41 < FreezingCold> englishman: I'm arduino free since 93
2014-04-02T02:47:12 < FreezingCold> gxti: It that the only problem?
2014-04-02T02:47:39 < karlp> isn't that enough?
2014-04-02T02:48:03 < zyp> not if your time is worthless and would be wasted anyway
2014-04-02T02:48:08 < FreezingCold> karlp: well \
2014-04-02T02:48:10 < FreezingCold> sort of?
2014-04-02T02:48:13 < gxti> he's a student so probably
2014-04-02T02:48:34 < englishman> canadian student
2014-04-02T02:48:40 < englishman> what could possibly go right
2014-04-02T02:48:47 < karlp> getting more interesting classes than just cdc-acm is probably more interesting
2014-04-02T02:48:47 < FreezingCold> gxti: yep
2014-04-02T02:49:06 < FreezingCold> karlp: hey, I already asked my prof for permission not to use PIC :p
2014-04-02T02:49:13 < englishman> you dont ask
2014-04-02T02:49:21 < FreezingCold> I want to pass though
2014-04-02T02:49:25 < englishman> hehe actually
2014-04-02T02:49:28 < zyp> the only reason for writing a bitbanged usb implementation would be if you somehow wanted to learn lowlevel usb or whatever
2014-04-02T02:49:44 < englishman> last year i went to a guy and said "we are using discovery" he said "there is nothing you need that can't be done on an attiny"
2014-04-02T02:49:48 < englishman> i said "this is not negotiable"
2014-04-02T02:49:55 < zyp> but at that point I'd rather implement it in HDL
2014-04-02T02:49:56 < englishman> explained to him about f3 disco etc
2014-04-02T02:50:05 < englishman> last month i see this f3 disco in someones project
2014-04-02T02:50:13 < englishman> i asked him where he got it
2014-04-02T02:50:13 < gxti> or if you want to squeeze every last cent out of a product that will be made in the tens of thousands, but that's obviously not applicable here
2014-04-02T02:50:18 < englishman> "oh this guy recommended it"
2014-04-02T02:50:18 < englishman> lo
2014-04-02T02:50:35 < FreezingCold> gxti: that's the idea
2014-04-02T02:51:15 < FreezingCold> So latency isn't a concern?
2014-04-02T02:51:26 < gxti> well you probably don't even have criteria for what latency you want
2014-04-02T02:51:28 < gxti> so no
2014-04-02T02:51:45 < FreezingCold> MIDI
2014-04-02T02:51:59 < zyp> FreezingCold, if you even have to ask that question, you don't really have any idea what you are talking about
2014-04-02T02:52:11 < FreezingCold> zyp: I don't.
2014-04-02T02:52:17 < FreezingCold> hence the "still learning"
2014-04-02T02:52:34 < gxti> why are you so eager to bitbang? smart people are lazy and lazy people use the least they can get away with which is a working usb peripheral with working libraries
2014-04-02T02:52:53 < zyp> then maybe you shouldn't attempt a pointless overambitious project :)
2014-04-02T02:53:31 < zyp> USB MIDI uses a bulk pipe IIRC, and that requires at least full speed since there's no bulk on low speed
2014-04-02T02:53:35 < FreezingCold> gxti: I'm curious as to why ST doesn't bother making a bit-banged USB library
2014-04-02T02:53:55 < gxti> because it's a dumb idea on a family of parts that is chock full of USB peripherals
2014-04-02T02:53:59 < zyp> and full speed would be pretty hard
2014-04-02T02:54:52 < gxti> clearly a moose has eaten your brain so i'm going to go do something else now
2014-04-02T02:54:53 < zyp> FreezingCold, if your goal is to do something with USB MIDI, you should use a part with native USB instead of wasting your time on a bitbanged implementation that you're not going to get working properly
2014-04-02T02:56:43 < zyp> and if you think native USB is hard, I can assure you that bitbanged USB is way harder
2014-04-02T02:56:59 < upgrdman> regarding bitbanging, is that portion of the usb spec freely available?
2014-04-02T02:57:04 < zyp> yes
2014-04-02T02:57:06 < FreezingCold> upgrdman: it is
2014-04-02T02:57:08 < qyx_> lets bitbang ethernet
2014-04-02T02:57:15 < qyx_> with all the scrambling and stuff \o/
2014-04-02T02:57:16 < FreezingCold> zyp: Okay, fair enough :)
2014-04-02T02:57:27 < FreezingCold> I'll try native
2014-04-02T02:58:03 < zyp> from scratch?
2014-04-02T02:58:50 < zyp> if so, I suggest avoiding F4/F2, the USB controller in F0/F1/F3/L1 is much easier to work with
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2014-04-02T03:00:23 < FreezingCold> not sure, but can I run M0 code on a M4?
2014-04-02T03:00:30 < zyp> yes
2014-04-02T03:01:05 < FreezingCold> yeah so I guess I'll just target the F3 (Cortex-M3) and use my F4Discovery
2014-04-02T03:01:40 < zyp> wat
2014-04-02T03:01:42 < gxti> he just said F4 and F3 have different USB controllers
2014-04-02T03:01:44 < qyx_> huh
2014-04-02T03:02:00 < zyp> by F3 I mean STM32F3, not cortex-m3
2014-04-02T03:02:04 < gxti> also F3 is a Cortex-M4
2014-04-02T03:02:08 < zyp> that too
2014-04-02T03:02:14 < FreezingCold> damn it, I blindly assumed Fx == Mx
2014-04-02T03:02:15 < upgrdman> op codes != periphs
2014-04-02T03:02:36 < zyp> no, Fx are stm32 families, Mx are cpu families
2014-04-02T03:02:47 < FreezingCold> I'm aware, I just thought they followed that naming
2014-04-02T03:02:50 < zyp> F0 is M0, F3 and F4 are M4 and the rest are M3
2014-04-02T03:02:55 < dongs> sup dongs
2014-04-02T03:03:00 < FreezingCold> not much FreezingCold
2014-04-02T03:03:08 < zyp> and the cpu has nothing to do with the usb controller in the chip
2014-04-02T03:04:12 < englishman> hay dongs https://www.youtube.com/watch?v=Dgnap135JWU
2014-04-02T03:04:21 < englishman> amazing innovations
2014-04-02T03:04:48 < zyp> FreezingCold, anyway, my point is that there are two different usb controllers found in stm32s, one real simple one and one OTG capable one
2014-04-02T03:05:07 < zyp> and the former is much easier to work with, especially when you aren't familiar with usb
2014-04-02T03:05:17 < upgrdman> nice osd. is that just an overlay on composite sd video?
2014-04-02T03:05:18 < FreezingCold> zyp: Thanks :) I'll have to play around with it a bit more tomorrow
2014-04-02T03:05:31 < FreezingCold> I have eclipse setup to target the F4 already I believe
2014-04-02T03:05:38 < englishman> its a composite input yeah but the video is converted to digital before overlay is added
2014-04-02T03:05:46 < zyp> and the F4 have the complex USB controller :p
2014-04-02T03:06:00 < qyx_> ok, which bus is the gpio connected to?
2014-04-02T03:06:00 < upgrdman> englishman: and output is digital or anal?
2014-04-02T03:06:06 < englishman> right to the panel
2014-04-02T03:06:10 < upgrdman> k
2014-04-02T03:06:27 < qyx_> i can't find it.. and does it even matter if i am using dma2 in p2m mode?
2014-04-02T03:08:11 < qyx_> ah, the mention ahb1
2014-04-02T03:08:13 < qyx_> they
2014-04-02T03:15:00 < Laurenceb> im confused by float rounding....
2014-04-02T03:15:09 < Laurenceb> i seem to be passing this function 0
2014-04-02T03:15:10 < Laurenceb> https://github.com/Laurenceb/Chibi-Spectro/blob/master/utilities/Stepper.c#L48
2014-04-02T03:15:14 < munki_> gxti: any tips on making this pwm more square? from what i understand the capacitance at the gpio pin is too high
2014-04-02T03:15:26 < Laurenceb> but ret_v seems to be non zero?
2014-04-02T03:15:31 < Laurenceb> is this expected?
2014-04-02T03:15:42 < Laurenceb> seems to be taking very small values
2014-04-02T03:16:19 < qyx_> munki_: at 6MHz it should be still quite squary
2014-04-02T03:16:31 < munki_> looks like a shark fin...
2014-04-02T03:17:29 < munki_> very much so actually
2014-04-02T03:17:42 < Laurenceb> gpionado?
2014-04-02T03:17:55 < munki_> haha
2014-04-02T03:18:41 < qyx_> munki_: pics
2014-04-02T03:18:53  * Laurenceb zzz
2014-04-02T03:18:54 < qyx_> and schematic
2014-04-02T03:19:14 < munki_> schematic is PC6 directly scoped
2014-04-02T03:19:18 < munki_> and that's it
2014-04-02T03:19:49 < GargantuaSauce> use the probe's 10:1 attenuation for high speed stuff
2014-04-02T03:19:55 < GargantuaSauce> and also make sure it's compensated properly
2014-04-02T03:20:08 < munki_> oh my
2014-04-02T03:20:10 < munki_> that is way better
2014-04-02T03:20:49 < munki_> now there is a lot of ripple at the peaks but looks way better
2014-04-02T03:20:53 < dongs> englishman: is that some huge tv overlay chip
2014-04-02T03:21:00 < dongs> or one of those lcd monitor driver controllers
2014-04-02T03:21:12 < dongs> guessing the latter
2014-04-02T03:21:21 < englishman> some automotive shit
2014-04-02T03:21:30 < dongs> whats it do
2014-04-02T03:21:48 < englishman> tons of inputs, all kinds of video fuckery, panel output
2014-04-02T03:21:57 < dongs> ya ok. so lcd controller
2014-04-02T03:22:02 < dongs> novatek/realtek shit?
2014-04-02T03:22:04 < englishman> ya
2014-04-02T03:22:08 < englishman> techwell/intersil
2014-04-02T03:22:11 < dongs> or that.
2014-04-02T03:22:27 < dongs> not evne recommended for new designs then
2014-04-02T03:22:31 < dongs> didnt techwel ldie
2014-04-02T03:22:36 < englishman> no, bought by intersil
2014-04-02T03:22:37 < dongs> are you resurrecting that PIP thing from eos
2014-04-02T03:22:43 < englishman> lol no
2014-04-02T03:22:45 < dongs> lol
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2014-04-02T03:23:07 < englishman> NRND yeah
2014-04-02T03:23:14 < munki_> http://imgur.com/LvgFScF before http://imgur.com/dHOp80L after
2014-04-02T03:23:31 < dongs> one is low drive one is high
2014-04-02T03:23:43 < dongs> ringing will happen when drive strength too high
2014-04-02T03:24:08 < englishman> just turn down scope bandwidth
2014-04-02T03:24:13 < dongs> i have that scope in alaska
2014-04-02T03:24:55 < munki_> i see
2014-04-02T03:24:58 < munki_> makes sense
2014-04-02T03:25:17 < munki_> k, switched it to 20mhz
2014-04-02T03:25:18 < munki_> looks way nicer
2014-04-02T03:26:11 < englishman> hehe
2014-04-02T03:26:32 < englishman> see? problem solved
2014-04-02T03:26:50 < munki_> :D
2014-04-02T03:27:10 < munki_> is that ripple going to affect things you think? all i need is a clock source for a sound IC
2014-04-02T03:29:35 < GargantuaSauce> well one thing to consider is that the probe is not a magic measurement device
2014-04-02T03:29:50 < GargantuaSauce> it is a part of the circuit...a significant amount of the ringing is potentially due to it
2014-04-02T03:30:23 < GargantuaSauce> as long as you're not driving a super long trace or something, a gpio is fine to use as a clock source
2014-04-02T03:30:42 < munki_> fair enough
2014-04-02T03:30:50 < munki_> for now it's on a solderless breadboard
2014-04-02T03:30:56 < munki_> about 2cm away
2014-04-02T03:31:27 < GargantuaSauce> well the breadboard has a lot of capacitance which may pose a problem, but it'll probably be good enough for your prototyping purposes
2014-04-02T03:31:58 < munki_> yeah
2014-04-02T03:32:07 < qyx_> 2cm is much saner length than 14inch that someone tried here before
2014-04-02T03:32:14 < qyx_> with 10MHz signal
2014-04-02T03:32:23 < GargantuaSauce> and 6MHz is low enough to be relatively hard to screw up
2014-04-02T03:32:35 < munki_> well i'm going up to 12mhz
2014-04-02T03:32:53 < GargantuaSauce> that might be a bit high for the breadboard, but experiment and see
2014-04-02T03:32:55 < munki_> it's for a yamaha OPL3
2014-04-02T03:33:05 < munki_> it wants 14.32mhz
2014-04-02T03:33:09 < munki_> but is cool with 10-16mhz
2014-04-02T03:33:18 < munki_> i think the 14.32 has to do with NTSC audio
2014-04-02T03:33:38 < GargantuaSauce> how do you communicate with it?
2014-04-02T03:34:37 < GargantuaSauce> if it's asynchronous serial, the baud rate will be set by a fixed divider on the input clock, so it matters (or matters that you match it with the micro's uart)
2014-04-02T03:34:48 < GargantuaSauce> but if it's synchronous serial that won't matter
2014-04-02T03:35:38 < gxti> https://en.wikipedia.org/wiki/Crystal_oscillator_frequencies
2014-04-02T03:36:29 < gxti> NTSC colorburst times 4
2014-04-02T03:36:57 < gxti> it's commonly found in random shit just because it was an early application that needed crystals.
2014-04-02T03:37:08 < upgrdman> lol http://en.rocketnews24.com/2014/03/31/take-your-love-of-touching-immitation-breasts-out-on-the-go-with-puni-puni-case-for-iphone/
2014-04-02T03:37:48 < munki_> GargantuaSauce: it's a parallel bus
2014-04-02T03:37:55 < GargantuaSauce> with its own clock?
2014-04-02T03:38:13 < GargantuaSauce> or write strobe or whatever
2014-04-02T03:38:29 < munki_> it has like a write enable input and read enable input
2014-04-02T03:38:34 < munki_> separate from teh clock
2014-04-02T03:38:42 < GargantuaSauce> yeah you're fine then
2014-04-02T03:39:10 < munki_> i think the clock source is just for the frequency modulation
2014-04-02T03:48:51 < dongs> GargantuaSauce: it has address/data bus lol
2014-04-02T03:49:07 < dongs> D0..D7 and A0..A2 or someshit i think.
2014-04-02T03:49:14 < GargantuaSauce> yeah ok not familiar with the chip itself
2014-04-02T03:49:56 < GargantuaSauce> oh this is the thing in all those old soundcards
2014-04-02T03:50:00 < dongs> yes
2014-04-02T03:50:16 < dongs> I suspect it would make more sense to simply emulate it on F4
2014-04-02T03:54:24 < GargantuaSauce> but then the sound would be cold and digital!
2014-04-02T03:54:35 < munki_> rather than being cold and digital _.
2014-04-02T03:54:38 < munki_> ._.
2014-04-02T03:54:45 < munki_> i wanted to use the actual chip
2014-04-02T03:54:51 < munki_> this was originally going to be an AVR project
2014-04-02T03:54:53 < GargantuaSauce> yeah sounds like a fun project
2014-04-02T03:55:15 < munki_> but i was limited by the teensy++
2014-04-02T03:55:24 < munki_> i wanted to have a screen for it and stuff
2014-04-02T03:55:25 < dongs> you were also limited by its license
2014-04-02T03:55:28 < GargantuaSauce> i think i am going to try making sort of a hybrid modular synth
2014-04-02T03:55:37 < munki_> i'm just going to go from the ground up
2014-04-02T03:55:38 < dongs> the closedsores pjrc rape-license
2014-04-02T03:56:00 < munki_> o yeah? can you tell me about that a little i didn't know this was an issue
2014-04-02T03:56:04 < GargantuaSauce> with the standard analog stuff switched with 40xx analog multiplexers, and a few inputs from the dacs of an f4 in the matrix
2014-04-02T03:56:49 < munki_> GargantuaSauce: how are the DACs? are they usable as rudimentary function generators?
2014-04-02T03:56:56 < dongs> munki_: teensy bootloader isnt opensores, so if you actually end up making a product with it you will need to buy chips from pjrc or not use his firmware library that depends on the bootloader
2014-04-02T03:57:05 < GargantuaSauce> certainly for audio they're more than sufficient
2014-04-02T03:57:39 < munki_> dongs: didn't realize that his firmware depended so heavily on his bootloader
2014-04-02T03:57:43 < gxti> buying chips is hilarious
2014-04-02T03:58:09 < munki_> damn
2014-04-02T03:58:22 < gxti> i mean buying chips with an actual application on them is amusing, but just for a bootloader is super funny.
2014-04-02T03:58:31 < munki_> yeah, i think that is pretty lame
2014-04-02T03:58:43 < munki_> if you _need_ the bootloader you should just be able to burn it onto a generic one
2014-04-02T04:01:43 < gxti> speaking of buying chips, new shipment of neodongs has arrived
2014-04-02T04:02:53 < qyx_> speaking of chips, my chips don't work
2014-04-02T04:03:20 < dongs> munki_: if you use USB, it most definitely does
2014-04-02T04:03:31 < gxti> you should have used Doritos® brand chips
2014-04-02T04:04:02 < gxti> they're packed full of CORN which is good
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2014-04-02T04:07:12 < dongs> pjrc should be exposed as a scammer that he is anyway
2014-04-02T04:07:40 < dongs> hiding behind opensores, contributing something trivial to tarduin once a year, while keeping all his shit tightly closedsores
2014-04-02T04:08:39 < dongs> but MAKE:R fgts love him totally forgetting they're getting shafted
2014-04-02T04:10:16 < GargantuaSauce> this is the first i've heard about pjrc
2014-04-02T04:11:08 < dongs> http://www.pjrc.com/ web0.5 scamsite
2014-04-02T04:15:21 < GargantuaSauce> looks like he's doing a pretty big gpl violation too, considering all the gpl stuff being statically linked to things with his license
2014-04-02T04:15:28 < munki_> haha really
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2014-04-02T04:15:33 < munki_> someone should send him a c&d
2014-04-02T04:15:41 < munki_> sup sinth
2014-04-02T04:15:52 < sinth> ay yo
2014-04-02T04:15:57 < englishman> isnt that the idea of gpl, that you can add closedsores stuff to it as long as originals are not touched?
2014-04-02T04:16:09 < munki_> well
2014-04-02T04:16:12 < englishman> like otherwise how would sony make playstation etc
2014-04-02T04:16:17 < munki_> there are linking exceptions
2014-04-02T04:16:20 < GargantuaSauce> dynamic linking, yeah
2014-04-02T04:16:27 < munki_> but if you statically link it's different
2014-04-02T04:16:31 < munki_> its' considered a derivative work
2014-04-02T04:16:32 < GargantuaSauce> also system library exceptions etc
2014-04-02T04:16:55 < munki_> so if you distribute something which statically links against GPL, you have to distribute the full source upon demand too
2014-04-02T04:17:11 < GargantuaSauce> well it's more than that, your code has to be distributed under the terms of the lgpl
2014-04-02T04:17:28 < GargantuaSauce> and if your license specifically contains terms that are more restrictive, that becomes impossible
2014-04-02T04:18:08 < gxti> which pjrc stuff are you even talking about
2014-04-02T04:18:16 < GargantuaSauce> i am looking at his core library
2014-04-02T04:18:21 < englishman> with static linking dont you just have to provide objs
2014-04-02T04:19:03 < GargantuaSauce> i dunno, there's all sorts of nuances and i don't really care enough to look into it more deeply
2014-04-02T04:19:07 < GargantuaSauce> it's just funny considering the above
2014-04-02T04:19:10 < englishman> i dont know why im asking i dont even know what teensy is
2014-04-02T04:19:17 < englishman> yeah
2014-04-02T04:19:38 < gxti> so it's a non-GPL library he publishes?
2014-04-02T04:19:47 < GargantuaSauce> yeah there's weird terms
2014-04-02T04:19:56 < GargantuaSauce> like your build system has to target his hardware
2014-04-02T04:20:02 < gxti> that's not his problem, that's the problem of the people who use it
2014-04-02T04:21:17 < sinth> it still seems like all in all a good dev board though.. i mean, who would use this dude's libs (e.g. usb libs) in a commercial project
2014-04-02T04:21:22 < sinth> just use general avr shit
2014-04-02T04:21:23 < sinth> for dev
2014-04-02T04:21:35 < sinth> and then you're not tied to teensy bootloader
2014-04-02T04:22:00 < sinth> it would be just as retarded as trying to prototype a commercial product in tarduino and then keep the tarduino bootloader and code in the final project imo
2014-04-02T04:22:39 < GargantuaSauce> yeah, not like anyone would ever do that
2014-04-02T04:23:01 < sinth> really? would anyone basically build a tarduino into a final product?
2014-04-02T04:23:05 < gxti> that would be smarter than writing an even shittier bootloader for no reaso
2014-04-02T04:23:06 < gxti> n
2014-04-02T04:23:29 < sinth> it's just using the bootloader to help with development
2014-04-02T04:23:36 < sinth> rather than using avrdragon or some tshit to program
2014-04-02T04:23:49 < GargantuaSauce> i think...you'd be surprised
2014-04-02T04:24:01 < sinth> lol
2014-04-02T04:24:05 < GargantuaSauce> this is the maker movement we're talking about right
2014-04-02T04:24:08 < gxti> i ship products with bootloaders
2014-04-02T04:24:13 < GargantuaSauce> THE SECOND INDUSTRIAL REVOLUTION
2014-04-02T04:24:25 < gxti> it's exactly the opposite, i don't need a bootloader to develop anything but it's the only way to do field updates
2014-04-02T04:24:46 < dongs>  < sinth> really? would anyone basically build a tarduino into a final product?
2014-04-02T04:24:50 < dongs> thats the whole point of pjrc
2014-04-02T04:25:07 < dongs> http://www.pjrc.com/store/cable_usb_panel_micro.html
2014-04-02T04:25:13 < dongs> his short cable allows mounting Teensy 3.0 inside an enclosure, with a sturdy standard B type connector. The Teensy is protected from excessive force applied to the panel mounted connector.
2014-04-02T04:25:42 < dongs> why would anyone put breakout boards/development boards inside a enclosure permanently
2014-04-02T04:25:50 < dongs> fuckin' MAKE:R faggots
2014-04-02T04:26:18 < sinth> i guess i don't conisder a one-off personal project as a product
2014-04-02T04:26:26 < sinth> although it could be
2014-04-02T04:26:52 < GargantuaSauce> people do commercialize prototypes, it is a thing that happens
2014-04-02T04:26:55 < GargantuaSauce> go browse kickstarter
2014-04-02T04:27:20 < dongs> https://www.kickstarter.com/projects/253922454/gps-adventurebox-give-the-gift-of-fun-and-adventur case in point
2014-04-02T04:27:37 < dongs> https://s3.amazonaws.com/ksr/assets/001/460/170/5d436b049c2d96ef020339790f071621_large.jpg?1387519177
2014-04-02T04:28:37 < sinth> loool
2014-04-02T04:28:40 < sinth> stopped reading at "This Arduino based project"
2014-04-02T04:29:19 < dongs> surprising
2014-04-02T04:30:09 < munki_> i can't believe he'd havea custom pcb printed
2014-04-02T04:30:15 < munki_> go through all that effort
2014-04-02T04:30:28 < munki_> just to not put a uC on it and instead have an arduino in there
2014-04-02T04:30:39 < dongs> he should have just bought a maker breadboard from adafruit
2014-04-02T04:30:47 < sinth> wait, is there an actual arduino board
2014-04-02T04:30:50 < dongs> yes
2014-04-02T04:30:52 < sinth> i figured he just meant the bootloader
2014-04-02T04:30:54 < dongs> arduino MEGA
2014-04-02T04:30:55 < sinth> hahaha
2014-04-02T04:31:10 < munki_> yah lol
2014-04-02T04:31:12 < munki_> too funny
2014-04-02T04:34:17 < dongs> https://www.google.com/search?q="raspberry+pi"+site%3Akickstarter.com
2014-04-02T04:35:06 < dongs> https://www.kickstarter.com/projects/1842571016/piups-uninterruptible-power-supply-for-raspberry-p wat
2014-04-02T04:35:37 < dongs> https://www.kickstarter.com/projects/john-cole/arduberry-unite-raspberry-pi-and-arduino
2014-04-02T04:36:06 < munki_> lewl
2014-04-02T04:36:14 < munki_> that last one is gayer than docking
2014-04-02T04:37:00 < dongs> https://www.kickstarter.com/projects/722032672/non-volatile-4mb-f-ramdisk-for-the-raspberry-pi-ex haha
2014-04-02T04:37:24 < qyx_> actually that ups is not that bad idea
2014-04-02T04:37:37 < dongs> https://s3.amazonaws.com/ksr/assets/001/498/279/9724affc42d93ff955e1c4b3baa6b368_large.png?1388959645
2014-04-02T04:38:56 < dongs> https://www.kickstarter.com/projects/697708033/hdmipi-affordable-9-high-def-screen-for-the-raspbe/posts
2014-04-02T04:38:59 < dongs> hahaha
2014-04-02T04:39:04 < munki_> that would be a funny virus
2014-04-02T04:39:08 < dongs> Hardware is Hard
2014-04-02T04:39:09 < dongs> I'm disappointed that it's all taking too long, but people keep telling me that this is quite normal for a hardware project, and it's more important to get it right.
2014-04-02T04:39:17 < munki_> scan for raspberry pis
2014-04-02T04:39:17 < dongs> and they're not even making it
2014-04-02T04:39:24 < dongs> just bought the fucking chinese lvds driver
2014-04-02T04:39:26 < munki_> then just kill the SD card by writing to it over and over
2014-04-02T04:39:51 < qyx_> eagle autorouted pcb :S
2014-04-02T04:39:59 < dongs> which
2014-04-02T04:40:13 < qyx_> framdisk
2014-04-02T04:40:17 < qyx_> it seems so
2014-04-02T04:40:18 < dongs> shocking
2014-04-02T04:40:24 < dongs> with all the dip trash on tehre why bother routing
2014-04-02T04:40:33 < qyx_> although there are some parts which look even worse than autorouted
2014-04-02T04:40:56 < dongs> https://www.kickstarter.com/projects/hamishcunningham/mopi-mobile-and-24-7-power-for-the-raspberry-pi/posts
2014-04-02T04:41:02 < dongs> finally a truthful dickstarter update
2014-04-02T04:41:06 < dongs> "off to the bahamas with all your cahs":
2014-04-02T04:41:12 < englishman> lol
2014-04-02T04:42:04 < dongs> https://www.kickstarter.com/projects/1105628094/opto-pi-an-opto-isolator-board-for-the-raspberry-p
2014-04-02T04:42:08 < dongs> ...
2014-04-02T04:42:53 < dongs> https://s3.amazonaws.com/ksr/assets/001/250/016/4c8c8a77294ea78804b6e005c64c42b0_large.JPG?1382999289
2014-04-02T04:44:08 < qyx_> dip & eagle & drunk-powered routing
2014-04-02T04:44:47 < dongs> https://www.kickstarter.com/projects/kwang/mini-itx-motherboard-for-the-raspberry-pi-fairywre i rmemeber that one
2014-04-02T04:47:29 < qyx_> those kickstarters keep persuading me that i shouldn't feel dumb
2014-04-02T04:47:33 < qyx_> thanks for that
2014-04-02T04:47:37 < gxti> that's a pretty clever idea except all of the shit it adds is exactly the opposite of what you'd want. ATX is a power scheme for a low power device, rs-232 sucks dick, and soft power is pointless
2014-04-02T04:47:52 < gxti> er, ATX is a shitty power scheme for a low power device
2014-04-02T04:48:04 < dongs> https://www.kickstarter.com/projects/582604098/hotpi
2014-04-02T04:48:15 < GargantuaSauce> i love the blank section for a usb harddrive
2014-04-02T04:48:25 < gxti> maybe you can get a USB to ATX power supply
2014-04-02T04:48:28 < GargantuaSauce> thats like what, $5 worth of pcb for just...copper
2014-04-02T04:48:28 < gxti> to plug into that board.
2014-04-02T04:48:40 < gxti> nope
2014-04-02T04:48:51 < gxti> PCBs are cheap when you're not paying by the square inch.
2014-04-02T04:48:53 < qyx_> actually you could power the rpi off the 5V atx standby
2014-04-02T04:49:14 < dongs> https://s3.amazonaws.com/ksr/assets/000/790/579/7923d273b72dd1bb7f6c4a6664c0e5e8_large.jpg?1375233604
2014-04-02T04:51:56 < ds2> PCBs can be cheap
2014-04-02T04:52:05 < ds2> nice shipping on the 1000lb reward
2014-04-02T04:52:07 < munki_> PCBs are cheap if you get other people to pay for them
2014-04-02T05:00:17 < dongs> so this fucking asshole insistsr I use some bullshit apple font on pcb silk
2014-04-02T05:00:33 < dongs> and he sent me dxf but its outlines, not filled area
2014-04-02T05:00:42 < dongs> so it looks like crap imported
2014-04-02T05:00:47 < dongs> wat2do :|
2014-04-02T05:01:50 < ds2> dispose of said asshole
2014-04-02T05:03:52 < munki_> lol
2014-04-02T05:04:04 < munki_> why does he want a particular pcb font
2014-04-02T05:04:08 < munki_> er typeface
2014-04-02T05:05:44 < dongs> no fucking clue
2014-04-02T05:05:54 < dongs> i said pcb vector stuff will look way better
2014-04-02T05:07:32 < qyx_> whats the problem with that
2014-04-02T05:07:43 < qyx_> open it and fill
2014-04-02T05:08:06 < dongs> how?
2014-04-02T05:08:24 < qyx_> inkscape can open and save dxf, it is 20sec work
2014-04-02T05:08:28 < qyx_> also has vector fill
2014-04-02T05:08:33 < qyx_> autocad/draftsight/whatever too
2014-04-02T05:08:33 < dongs> lo9l inkskape
2014-04-02T05:08:42 < dongs> ok trying.
2014-04-02T05:08:45 < dongs> i dont have any of that shit.
2014-04-02T05:08:49 < dongs> lets see if this opensores crap works
2014-04-02T05:09:07 < GargantuaSauce> incoming GIMP rant in 5...4...3...
2014-04-02T05:09:19 < qyx_> bimp is bitmap
2014-04-02T05:09:23 < qyx_> gitmap
2014-04-02T05:09:25 < qyx_> er gimp
2014-04-02T05:10:31 < dongs> lol
2014-04-02T05:10:33 < dongs> it ocmes wiht python
2014-04-02T05:10:59 < qyx_> and i am sure any of your >$5000 pro vector tools can do that too
2014-04-02T05:13:13 < dongs> jebus
2014-04-02T05:13:16 < dongs> completely destroyed
2014-04-02T05:13:22 < dongs> even altium imports it better
2014-04-02T05:13:30 < dongs> fucking opensores trash
2014-04-02T05:13:43 < ds2> is that before or after it crashes and corrupts all the files?
2014-04-02T05:14:15 < dongs> ive had altium CRASH but I never had it destroy  files.
2014-04-02T05:14:25 < qyx_> crash?
2014-04-02T05:14:33 < dongs> yeah their crash dialog shit
2014-04-02T05:14:38 < dongs> once it stats d oing that i just save and reload it
2014-04-02T05:14:42 < qyx_> awesome
2014-04-02T05:14:50 < dongs> cuz once that dialog pops up, it just keeps shitting itself over and over
2014-04-02T05:14:51 < dongs> so save+reload works
2014-04-02T05:16:05 < dongs> just completely garbaged shit. fuck inkskape
2014-04-02T05:16:12 < dongs> more like inkkkscape
2014-04-02T05:16:37 < qyx_> you are doing it wrong
2014-04-02T05:16:40 < dongs> wrong
2014-04-02T05:17:19 < dongs> aahahahaahah
2014-04-02T05:17:33 < dongs> 'i importe the dxf that had strings embedded with those fonts i dont have
2014-04-02T05:17:46 < dongs> and text was rotated 45"
2014-04-02T05:18:04 < qyx_> huh
2014-04-02T05:18:11 < dongs> what I see in dickscape is horizontal text like \fMyriad Apple|b1|i0|c0|p34;.com
2014-04-02T05:18:20 < dongs> so fail
2014-04-02T05:19:13 < qyx_> are you sure that this dxf has text converted to splines/paths?
2014-04-02T05:19:21 < qyx_> doesn't seem so
2014-04-02T05:19:27 < dongs> ya it does
2014-04-02T05:19:37 < dongs> the 1st one d idnt (the one I just opened with normal textT)
2014-04-02T05:19:41 < dongs> and it couldnt evne properly import that one
2014-04-02T05:19:50 < dongs> but 2nd version they sent was vector/flattened text
2014-04-02T05:21:59 < qyx_> sharing a workplace with architects could have some advantages sometimes
2014-04-02T05:22:08 < qyx_> after some time you get used to this kind of problems
2014-04-02T05:33:57 < dongs> just complete fa il
2014-04-02T05:34:11 < dongs> might just tell the guy to either deal with default vector altium fonts or fuck off.
2014-04-02T05:35:25 < munki_> big client? or just some random asshole
2014-04-02T05:35:40 < munki_> lol you should charge him hours for trying his stupid idea
2014-04-02T05:36:30 < dongs> just an asshole, i'l probly make couple hundred bucks off it at most
2014-04-02T05:36:43 < qyx_> cmon, even eagle can do that
2014-04-02T05:36:49 < dongs> can do what? :)
2014-04-02T05:37:19 < qyx_> import dxf properly
2014-04-02T05:37:25 < dongs> yes, so can altium
2014-04-02T05:37:30 < dongs> its dickscape that fails.
2014-04-02T05:37:42 < qyx_> or publish it somewhere if you can
2014-04-02T05:38:03 < dongs> nah im gonna play goat simulator instead
2014-04-02T05:38:12 < dongs> and tlel the guy im on vacation
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2014-04-02T06:05:23 < madist> goat stimulator
2014-04-02T06:09:14 < dongs> lol goat simulator is truly amaze
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2014-04-02T07:04:25 < gnomad>  goat sim needs this: https://www.youtube.com/watch?v=58-atNakMWw
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2014-04-02T07:22:03 < dongs> haha the 'goat simulator' logo uses microsoft flght sim font
2014-04-02T07:22:15 < dongs> or in general, microsoft simulator logo style
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2014-04-02T07:23:56 < GargantuaSauce> you should make an 8 retina panel array for optimal goat simulation
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2014-04-02T07:24:25 < dongs> ah yes.
2014-04-02T07:24:28 < dongs> such plan
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2014-04-02T12:43:33 < Laurenceb__> http://webreaktech.com/2014/04/01/windows-one-to-offer-hope-to-xp-holdouts/
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2014-04-02T13:01:00 < Fleck> 01.04 :D
2014-04-02T13:09:41 < dongs> sup trolls
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2014-04-02T13:19:03 < Cyric> hey guys do you confirm that a     uint32_t variable is 32bit long?
2014-04-02T13:19:15 < timemob> uhhh
2014-04-02T13:19:24 < Laurenceb__> trollin
2014-04-02T13:19:30 < Cyric> no no
2014-04-02T13:19:34 < Cyric> i am not
2014-04-02T13:19:37 < Thorn> could be 31...33 bits
2014-04-02T13:19:44 < Laurenceb__> i think its 8 bits long
2014-04-02T13:19:46 < timemob> that's why it's called uint 3 2
2014-04-02T13:19:48 < Thorn> depending on purity of silicon
2014-04-02T13:19:58 < timemob> 31.5 bits
2014-04-02T13:20:04 < Cyric> because i am having problem with a systick function
2014-04-02T13:20:19 < timemob> did you know systick is 24bit
2014-04-02T13:20:20 < Cyric> SysTick_Config(16000000)
2014-04-02T13:20:27 < Cyric> it work fine
2014-04-02T13:20:39 < Cyric> if i use it with a 32000000 get stuck
2014-04-02T13:20:43 < qyx_> 12:20 < timemob> did you know systick is 24bit
2014-04-02T13:20:53 < Cyric> really ok thanks!!!
2014-04-02T13:20:54 < Laurenceb__> epic fail
2014-04-02T13:21:40 < Cyric> but how to generate interrupts every 6 hours???
2014-04-02T13:21:56 < Laurenceb__> RTC
2014-04-02T13:22:10 < qyx_> or any other timer/timers
2014-04-02T13:22:27 < Cyric> ok i will try with them
2014-04-02T13:22:33 < timemob> .. 6 hours?
2014-04-02T13:22:35 < qyx_> or do it arduino way
2014-04-02T13:22:41 < qyx_> 1sec systick or timer
2014-04-02T13:22:45 < qyx_> and count ticks :X
2014-04-02T13:22:53 < Cyric> i have to put the processor to sleep...
2014-04-02T13:22:54 < timemob> count dicks more like
2014-04-02T13:22:54 < qyx_> up to 3600*6
2014-04-02T13:22:59 < timemob> use rtc
2014-04-02T13:23:04 < Cyric> ok
2014-04-02T13:23:09 < timemob> it can even wake up..
2014-04-02T13:23:18 < karlp> Cyric: you can sleep, but still wake up for a few uSecs to count towards 6 hours
2014-04-02T13:23:24 < karlp> RTC has alarms you can use too
2014-04-02T13:24:03 < timemob> if you're sleeping for 6 hours with no other tasks rtc is the way to go
2014-04-02T13:24:07 < Laurenceb__> http://www.b3tards.com/u/51a157c5c221a434ebc5/xboxps4-part5-dogefireloop.gif
2014-04-02T13:24:28 < Cyric> great thank you for the info
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2014-04-02T13:24:36 < qyx_> i am expecting some fancy logger with 6hrs period
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2014-04-02T13:25:56 < Cyric> well, if your device run on battery than you must do only the minimum
2014-04-02T13:28:47 < Laurenceb__> meanwhile in england
2014-04-02T13:28:49 < Laurenceb__> www.derbylive.co.uk/whats-on/the-ladyboys-of-bangkok-2014
2014-04-02T13:30:43 < karlp> probably a good show
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2014-04-02T14:06:46 < Steffanx> if you wake up every minute for like 1ms that still isn't that much Cyric  ;)
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2014-04-02T14:12:44 < Thorn> he probably needs to wake the user up every 6 hours to turn the crank and charge the battery
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2014-04-02T14:29:45 < Cyric> ahaha no no i just need to perform some task three or four time a day.. and i would like that the battery last months
2014-04-02T14:34:58 < Fleck> lol
2014-04-02T14:37:24 < Steffanx> how small is that battery Cyric ?
2014-04-02T15:03:00 < Laurenceb__> http://pastie.org/8988510
2014-04-02T15:07:07 < Cyric> 800 mA
2014-04-02T15:07:20 < Cyric> but is not settled yet
2014-04-02T15:07:41 < Cyric> probably if i am not in the specific i will use a larger one :D
2014-04-02T15:09:25 < Steffanx> we love you too Laurenceb__
2014-04-02T15:10:14 < Steffanx> with 800mAh yo should be able to do more than "months" especially it the task only has to run 4 times/day
2014-04-02T15:10:33 < Steffanx> or is it some power "hungry" task?
2014-04-02T15:10:52 < Cyric> no it should be not
2014-04-02T15:11:08 < Cyric> but the board has also wireless card onboard
2014-04-02T15:11:40 < Steffanx> and that thing is in receive/transmit mode 24/7?
2014-04-02T15:11:45 < Cyric> nop
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2014-04-02T15:12:17 < Cyric> otherwise i had to use a battery car for making last one month
2014-04-02T15:12:18 < Steffanx> and it has no low (few uA) standby/shutdown mode?
2014-04-02T15:12:19 < Cyric> :D
2014-04-02T15:12:37 < zyp> if you are talking an active duty cycle of >millisecond per hour then you want to focus on sleep consumption and not run consumption :p
2014-04-02T15:13:11 < Cyric> yes the wireless card has it...
2014-04-02T15:13:23 < Steffanx> yeah.. that's why i wonder why he thinks in months and not in years.
2014-04-02T15:13:52 < Cyric> years?? cool... months is great but years is even better!!!!
2014-04-02T15:14:22 < Cyric> i am still workig on the code so, i did not tested it yet in practice
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2014-04-02T15:15:16 < Steffanx> i mean, when you are able to have an average of like 50-100uA you can run (in theory) run for 1-2 years.
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2014-04-02T15:17:19 < zyp> for that sort of application, you can probably get average consumption down below the self discharge of the battery
2014-04-02T15:18:06 < Cyric> nice thank you guys, i will let you know in a couple of weeks
2014-04-02T15:18:18 < Cyric> i will start practical test...
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2014-04-02T15:18:31 < Cyric> than we will wait a couple of year for the results :D
2014-04-02T15:18:33 < Steffanx> what uc you use? L0/L1?
2014-04-02T15:18:42 < Cyric> L1
2014-04-02T15:18:48 < Cyric> L151
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2014-04-02T15:57:16 < dongs> sup foxconn employees
2014-04-02T15:59:05 < Steffanx> hows our personal coach doing?
2014-04-02T15:59:19 < dongs> getting ready for vacation in 2 days
2014-04-02T15:59:41 < Steffanx> vacation to europe?
2014-04-02T15:59:44 < Steffanx> yankeeland?
2014-04-02T15:59:51 < Steffanx> fukusima?
2014-04-02T15:59:58 < Steffanx> +h
2014-04-02T16:00:01 < dongs> jewsa
2014-04-02T16:01:20 -!- gnomad [~gnomad@71.203.29.67] has quit [Quit: to sleep, perchance to dream]
2014-04-02T16:04:04 < englishman> hes going to his fortress of solitude to meditate and recharge his karma
2014-04-02T16:04:19 < englishman> and club some baby seals
2014-04-02T16:04:39 < Steffanx> and recruit some new foxconnies?
2014-04-02T16:14:31 -!- phantoxeD [destroy@a89-154-119-158.cpe.netcabo.pt] has joined ##stm32
2014-04-02T16:17:09 < Laurenceb__> more like foxcommies
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2014-04-02T16:18:10 < Steffanx> two words for one thing.
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2014-04-02T17:31:23 < Laurenceb__> https://www.youtube.com/watch?v=SXmv8quf_xM
2014-04-02T17:32:12 < Fleck> lol
2014-04-02T17:34:31 < bvsh> nextgen :)
2014-04-02T17:34:42 < Fleck> nextgen fail :/
2014-04-02T17:36:59 < Steffanx> obvious more trolls skillz than Laurenceb__  :P
2014-04-02T17:37:08 < Steffanx> *obviously
2014-04-02T17:39:11 < Cyric> lol
2014-04-02T17:39:25 < Cyric> 10 people using google...
2014-04-02T17:39:54 < Cyric> and 4 of them sit in the same office
2014-04-02T17:40:12 < Steffanx> google wasn't that popular back in 2008 ;)
2014-04-02T17:42:07 < Thorn> "This is a easy to umnderstand tutorial on the kalman filter. I haven’t got my quadrocopter to fly yet using this filter but I’m pretty sure that it’s possible."  <-- typical blog post on the subject
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2014-04-02T19:17:45 < vadmeste> Hello everybody. Is it possible to monitor when CPU is running and when it is sleeping ?
2014-04-02T19:18:20 < gxti> set a gpio high on wake and low before sleep
2014-04-02T19:18:32 < jpa-> or measure supply current with a shunt resistor
2014-04-02T19:20:11 < SlaveToTheSauce_> or use an external watchdog of some sort
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2014-04-02T19:23:46 < vadmeste> oh, I forgot to mention that I want to monitor the cpu from software side.. gxti: could you elaborate on that ?
2014-04-02T19:24:28 < gxti> so you want a count of how many cycles it's awake for?
2014-04-02T19:27:24 < vadmeste> I wrote a code which prints log with a timestamp, so ideally, I would log when the CPU goes idle and when it comes back to work..
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2014-04-02T19:27:51 < gxti> so do that
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2014-04-02T19:29:27 < vadmeste> gxti: yes but I just still don't have enough knowledge to do that.. Could you tell me some keywords related to a good solution and I will continue my investigation ^^
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2014-04-02T19:29:42 < gxti> you're the one telling the cpu to sleep, it doesn't do it on its own
2014-04-02T19:29:47 < gxti> so log stuff before you sleep
2014-04-02T19:30:04 < vadmeste> good, already done, what about wake up ?
2014-04-02T19:30:33 < jpa-> log stuff when you wake up
2014-04-02T19:31:00 < jpa-> you can handle it so that interrupts are disabled when you sleep, then you have time to log before you re-enable them on resume
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2014-04-02T19:33:02 < vadmeste> in fact, I added log to - I think - all interrupt handlers, but I can see that the CPU works so it got woken up I don't know how, shouldn't it be an interrupt ?
2014-04-02T19:33:23 < jpa-> depends how you sleep anyway
2014-04-02T19:33:26 < gxti> jpa-: oh, so interrupt wakes but it just resumes in userland where it left off? handy
2014-04-02T19:33:32 < jpa-> gxti: yes
2014-04-02T19:33:47 < jpa-> that's how i usually do it
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2014-04-02T19:34:00 < gxti> what happens if you wfi while there's already an interrupt pending? noop?
2014-04-02T19:34:18 < jpa-> yes
2014-04-02T19:34:27 < gxti> cool.
2014-04-02T19:34:51 < jpa-> this depends on the states of the various bits, but the reference manual explains it quite well
2014-04-02T19:38:20 < jpa-> or looks like that i've actually used wfe for deeper sleep modes.. but you can set SEVONPEND to generate event on pending interrupts.. so many ways :P
2014-04-02T19:39:01 < jpa-> can't remember how WFI behaves if global interrupts are disabled.. there are many ways to disable them anyway
2014-04-02T19:39:49 < vadmeste> sorry, but I still didn't understand.. where should I log the wake up ? just after WFI ?
2014-04-02T19:40:13 < jpa-> yes.. and setup the stuff so that the wfi just resumes and does not go to interrupt
2014-04-02T19:40:22 < jpa-> rtfm to find out how :P
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2014-04-02T20:24:50 < Cyric> that is actually interesting conversation on how to be sure that you are actually in sleep/stop mode.. even if you generate a log that say: i am in the sleeping mode, you cannot be 100% sure that you actually are...
2014-04-02T20:25:22 < Steffanx> you always do a current measurement
2014-04-02T20:26:42 < Cyric> even with discovery board?
2014-04-02T20:28:14 < Steffanx> i think most( or all) discovery board have this Idd jumper
2014-04-02T20:28:25 < Steffanx> *boards
2014-04-02T20:28:26 < Cyric> actually now that i remember the firmware wich come with stm32L discovery include current measurement
2014-04-02T20:28:53 < vadmeste> jpa-: oh, I thought that disabling interrupts then WFI will halt the CPU forever.. I think that I can see the solution now
2014-04-02T20:30:05 < Steffanx> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka16222.html
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2014-04-02T20:33:58 < vadmeste> yes, thanks
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2014-04-02T22:06:33 < karlp> get your freaky laptops here, get your freakly laptops: http://www.bunniestudios.com/blog/?p=3657
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2014-04-02T22:12:43 < SlaveToTheSauce_> ah yes, complement your open architecture with a nice xilinx fpga
2014-04-02T22:12:46 < aadamson> ok, I'm baffled... I can't seem to turn on, enable whatever you want to call it the ADC on an stm32l1.... BUT
2014-04-02T22:12:59 < aadamson> the code works on the discovery and doesn't on my board
2014-04-02T22:13:09 < aadamson> only difference is discovery is 3v3 and I"m 2v0
2014-04-02T22:13:15 < aadamson> so what the heck is the magic?
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2014-04-02T22:15:44 < Steffanx> the right core voltage + running hsi?
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2014-04-02T22:18:46 < aadamson> Steffanx, I forced the core voltage to the 1.8v ldo, I *did* not force it to hsi
2014-04-02T22:18:58 < aadamson> is that something I'd need to do on 2.0v that I don't at 3v3?>
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2014-04-02T22:19:16 < aadamson> ah, discovery is running hsi and I'm running hse
2014-04-02T22:19:20 < aadamson> might that be a difference?
2014-04-02T22:19:31 < karlp> what does the reference manual say about the ADC clock?
2014-04-02T22:19:40 < karlp> and what did steffanx ask? :)
2014-04-02T22:19:44 < aadamson> not much really
2014-04-02T22:19:52 < karlp> read it again then :)
2014-04-02T22:20:00 < aadamson> it says that at lower voltages is slower to convert
2014-04-02T22:20:07 < karlp> no, the bit about the clock source.
2014-04-02T22:20:13 < Steffanx> you NEED the hsi
2014-04-02T22:20:22 < aadamson> really.....
2014-04-02T22:20:27 < aadamson> hmm
2014-04-02T22:20:28 < Steffanx> open the datasheet of the l1 and look at Clock tree
2014-04-02T22:21:17 < Steffanx> For the STM32L151x6/8/B, STM32L152x6/8/B on page 21
2014-04-02T22:21:22 < aadamson> so I just get lucky that the code runs on discovery because it's being clocked by hsi (in the system.xx file) and mine generated for my board isn't and I'm not enabling the hsi do the adc never start
2014-04-02T22:21:31 < aadamson> datasheet or rm?
2014-04-02T22:21:34 < Steffanx> datasheet
2014-04-02T22:22:16 < SlaveToTheSauce_> you can hardly say the only difference between your thing and the disco is voltage if they're using different startup/clock setup code!
2014-04-02T22:22:41 < aadamson> shit.... :)
2014-04-02T22:23:14 < aadamson> yes I know... SlaveToTheSauce_, but at least I wanted to make sure something else wasn't broken...
2014-04-02T22:23:28 < aadamson> off to go enable the hsi...
2014-04-02T22:23:55 < Steffanx> would nice of course to enable it when you need it and disable it afterwards :)
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2014-04-02T22:24:30 < aadamson> yes, about to ask can the pll run off the hse and the adc off the hsi?
2014-04-02T22:25:50 < Steffanx> yes, i dont see why not.
2014-04-02T22:26:17 < Steffanx> i mean, i never tried it ;)
2014-04-02T22:27:21 < Steffanx> this is your hab project btw?
2014-04-02T22:27:25 < aadamson> hehe, well, one thing at a time, let me get the adc working, I'll know right away if pll is effected my blinking led should get slower...
2014-04-02T22:27:29 < aadamson> yeah
2014-04-02T22:27:32 < aadamson> why?
2014-04-02T22:27:36 < Steffanx> just curious
2014-04-02T22:27:42 < aadamson> hehe
2014-04-02T22:27:45 < aadamson> :)
2014-04-02T22:28:14 < Steffanx> you guys talk so much in #highaltitude, im unable to follow
2014-04-02T22:28:34 < aadamson> bringing up a new board is always fun, especially one I've not used before
2014-04-02T22:28:46 < aadamson> yeah... what can I say :) they are a chatty bunch
2014-04-02T22:32:26 < aadamson> too funny, I had the hsi code in my driver and I had commented it out for some reason... figuring that I didn't need it... back in and guess what.... duh ;)
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2014-04-02T22:33:07 < Steffanx> i bet it's mention somewhere in the adc chapter of the reference manual
2014-04-02T22:35:57 < aadamson> The ADCCLK clock is provided by the clock controller. It is generated from the HSI oscillator
2014-04-02T22:35:58 < aadamson> after a clock divider:
2014-04-02T22:35:58 < aadamson> • by 1 for full speed (fADCCLK = 16 MHz)
2014-04-02T22:35:58 < aadamson> • by 2 for medium speed and by 4 for low speed (fADCCLK = 4 MHz)
2014-04-02T22:36:05 < aadamson> I probably read that 20 times too...
2014-04-02T22:36:12 < aadamson> (kicking ones self in the BUTT)
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2014-04-02T23:00:04 < aadamson> and what do you know... let there be *volts*  ;)
2014-04-02T23:00:12 < superbia> sup
2014-04-02T23:00:30 < aadamson> now to figure out what is wrong with the temp sensor.... betting the calibration is 3v3 specific as the values are *way* off
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2014-04-02T23:21:16 <+dekar> I've added a dummy section to my linker script and there's some data in the resulting area of the binary O.o
2014-04-02T23:29:54 -!- mode/##stm32 [+o Steffanx] by ChanServ
2014-04-02T23:30:16 -!- mode/##stm32 [-b *!~Tectu@78-167.60-188.cust.bluewin.ch] by Steffanx
2014-04-02T23:30:38 -!- mode/##stm32 [-o Steffanx] by Steffanx
2014-04-02T23:41:34 <+dekar> I guess it's uninitialised memory, but that's still odd.
2014-04-02T23:41:48 <+dekar> GCC/LD shouldn't leak that
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2014-04-02T23:41:55 < superbia> tectu <3
2014-04-02T23:42:39 <+dekar> http://pastebin.com/ZczxNQFm
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2014-04-02T23:43:08 <+dekar> interrupt vector starts at 0x40, the weird stuff is above that
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2014-04-02T23:44:28 < Thorn> why does the vector table start at 0x40?
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--- Day changed Thu Apr 03 2014
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2014-04-03T00:11:33 < fbs> dekar: its the NSA
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2014-04-03T00:35:11 <+dekar> Thorn, I want to prefix it with a checksum
2014-04-03T00:36:00 -!- Claude is now known as claude
2014-04-03T00:36:12 <+dekar> Since there's a bootloader starting my firmware I am free to move it
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2014-04-03T00:42:11 < Thorn> oic
2014-04-03T00:52:20 < scrts> meh, I can't find a DAC devkit with i2s input
2014-04-03T00:53:22 < scrts> any suggestions? :)
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2014-04-03T00:54:14 < mervaka> stm32f4 discovery?
2014-04-03T00:54:19 < mervaka> onboard dac
2014-04-03T00:54:29 < mervaka> via i2s
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2014-04-03T00:57:56 < fbs> scrts: diy?
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2014-04-03T01:04:31 < Thorn> http://www.youtube.com/watch?v=E3cPKgFKe0Y impressive
2014-04-03T01:07:39 <+dekar> using a shell script to patch the size of the firmware (so the bootloader can verify the hash) into the firmware turned out to be pretty hard
2014-04-03T01:08:08 <+dekar> I came up with: printf "%08X" $(cat build/flex_boot.bin | wc -c | tr -d " ") | sed "s/\(..\)\(..\)\(..\)\(..\)/\4\3\2\1/" | tr -d "\n" | xxd -r -p | dd
2014-04-03T01:11:47 < SlaveToTheSauce_> beautiful
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2014-04-03T01:13:17 <+dekar> it would have been so easy using C -.-"
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2014-04-03T01:13:47 < SlaveToTheSauce_> why not write a c program and invoke it in the makefile?
2014-04-03T01:14:25 < Thorn> you should write a somewhat general utility with command line args. can't take more than a few hours
2014-04-03T01:14:30 < Thorn> +1
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2014-04-03T01:16:10 <+dekar> I didn't feel like invoking a custom C program from my makefile
2014-04-03T01:16:37 <+dekar> I though standard unix utilities should be able to do it... and then I took way longer than anticipated XD
2014-04-03T01:17:16 < Thorn> http://stackoverflow.com/questions/1945075/how-do-i-create-binary-patches
2014-04-03T01:17:24 <+dekar> also the hashing part is really easy, openssl has the "-binary" parameter and you can then just pipe that into dd
2014-04-03T01:17:26 < Thorn> maybe these can be useful
2014-04-03T01:17:57 <+dekar> my solution works already, also it has to be somewhat dynamic in hashing and then patching the hash
2014-04-03T01:21:26 <+dekar> on a side note, libtomcrypt is tiny and works great for hashing/crypto on the stm32.
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2014-04-03T01:23:15 < gxti> hmm
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2014-04-03T01:23:56 < gxti> i've been using ihex which has builtin crc but a proper digest might still be interesting
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2014-04-03T02:49:11 < Thorn> why D2 here? http://i.stack.imgur.com/AeH25.jpg
2014-04-03T02:52:24 <+dekar> no idea, though above D2 it looks like something has been erased
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2014-04-03T03:08:06 < dongs> haha
2014-04-03T03:08:08 < dongs> is that some ghetto
2014-04-03T03:13:44 < SlaveToTheSauce_> isolation is for pussies
2014-04-03T03:15:44 <+dekar> as is 120V
2014-04-03T03:17:41  * fbs tries with gf
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2014-04-03T03:42:46 < dongs> sup pros
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2014-04-03T04:04:45 < munki_> i wonder why this init code generator crap puts all of my GPIOS except the ones i'm using to analog output
2014-04-03T04:05:26 < dongs> http://www.computerworld.com/s/article/9247389/First_images_of_reversible_USB_cables_emerge
2014-04-03T04:05:41 < dongs> munki_: to analog INPUT you mean
2014-04-03T04:05:46 < munki_> dongs: are you in efnet #electronics
2014-04-03T04:05:48 < munki_> dongs: yeah
2014-04-03T04:06:27 < munki_> is there any reason that is the case?
2014-04-03T04:06:32 < dongs> yes
2014-04-03T04:06:51 < dongs> reduce emi, reduce power consumption
2014-04-03T04:07:20 < munki_> cool
2014-04-03T04:07:44 < munki_> does it save more power to turn off their clocks and shit?
2014-04-03T04:15:12 < dongs> yes but I doubt this should concern you
2014-04-03T04:21:20 < munki_> just wondering really
2014-04-03T04:22:49 < SlaveToTheSauce_> yeah we're talking fractions of a milliwatt here
2014-04-03T04:23:07 < SlaveToTheSauce_> worth considering later on when you're actually ready to optimize
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2014-04-03T05:22:22 < dongs> https://pbs.twimg.com/media/BkN5sO3CYAEatus.jpg:large
2014-04-03T05:56:42 < madist> do androids dream of philip's dick ?
2014-04-03T06:00:24 < upgrdman> how does making a gpio an analog input reduce emi?
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2014-04-03T11:07:35 < dongs> holy shit
2014-04-03T11:07:39 < dongs> usb3 cables are such finicky trash
2014-04-03T11:07:44 < dongs> i push on it a little and it disconnects
2014-04-03T11:07:51 < dongs> both type A crap and micro3.0
2014-04-03T11:07:53 < dongs> such fucking fail
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2014-04-03T12:06:13 < edmont> hi
2014-04-03T12:08:59 < edmont> i'm trying to use adc scan mode in stm32l152
2014-04-03T12:09:00 < edmont> http://pastebin.com/zLJW2HaL
2014-04-03T12:09:36 < edmont> every time i pass a new memory address to be filled with 23 new samples
2014-04-03T12:09:55 < edmont> the problem is it is only working the for first call
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2014-04-03T12:36:05 < dongs> edmont: you need to reload DMA->CNDTR or whatever
2014-04-03T12:36:08 < dongs> the counter
2014-04-03T12:36:18 < dongs> which you usually do in DMA TC interrupt or so
2014-04-03T12:36:22 < dongs> or whenever you wanna restart
2014-04-03T12:37:22 < edmont> yeah, it makes sense
2014-04-03T12:37:25 < edmont> i''l try
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2014-04-03T12:41:39 < edmont> not working yet :(
2014-04-03T12:41:57 < edmont> i aded this to the end of the function:
2014-04-03T12:41:58 < edmont> DMA1_Channel1->CNDTR = 23;
2014-04-03T12:43:09 < dongs> um, i dont know what it is for L1.
2014-04-03T12:43:13 < dongs> you shoul step and see what youre doing wrong
2014-04-03T12:44:02 < akaWolf> good answer
2014-04-03T12:44:05 < akaWolf> dongs :)
2014-04-03T12:44:57 < zyp> dongs, so if my stuff got assembled the other day, I assume you have a tracking number for me soon?
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2014-04-03T12:49:16 < dongs> zyp, yeah, was sent. waiting for her to send me number, but its on the way
2014-04-03T12:49:59 < zyp> right, that's nice
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2014-04-03T13:27:16 < edmont> dongs: i also cleared transfer complete flags and noticed the dma is not transfering anymore after the first call
2014-04-03T13:27:16 < edmont> http://pastebin.com/Tg5FCr7z
2014-04-03T13:27:34 < edmont> but maybe it's an adc problem
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2014-04-03T13:34:04 < edmont> dongs: solved!
2014-04-03T13:34:23 < edmont> had to disable and enable ADC DMA mode
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2014-04-03T13:42:17 < dongs> time to see if altidong can output some BOM
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2014-04-03T13:45:10 < dongs> looks like it can
2014-04-03T13:46:04 < zyp> of course it can
2014-04-03T13:46:28 < dongs> in a fucktarded way
2014-04-03T13:46:36 < dongs> not listing value column :|
2014-04-03T13:47:08 < zyp> I believe you can configure that
2014-04-03T13:47:32 < dongs> too much work
2014-04-03T13:47:34 < dongs> csv output worked
2014-04-03T13:47:37 < dongs> .xls was fucked because of template shit
2014-04-03T13:47:39 < dongs> csv will do
2014-04-03T13:54:19 < akaWolf> dongs: try to use a Dx Designer
2014-04-03T13:54:22 < akaWolf> :)
2014-04-03T13:54:45 < akaWolf> sorry, dongs-Dx-Designer
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2014-04-03T14:18:11 < dongs> attn GargantuaSauce https://www.indiegogo.com/projects/servostab
2014-04-03T14:20:00 -!- claude is now known as Claude
2014-04-03T14:22:01 < socordia> how does that work :?
2014-04-03T14:27:31 < Steffanx> Surprisingly is not arduino powered dongs :D
2014-04-03T14:28:20 < madisk> only 2000$!! and that guy with the PCB and the iPad connector made 30,000£
2014-04-03T14:28:21 < socordia> Steffanx: its troll post
2014-04-03T14:28:28 < Steffanx> Not sure how useful it is, but the result looks nice.
2014-04-03T14:29:17  * madisk needs to learn to read
2014-04-03T14:30:20 < socordia> on the video its "arduino powered", but on the datasheet its STM32 based
2014-04-03T14:30:40 < socordia> is there an arduino IDE for STM32 ??
2014-04-03T14:31:14 < madisk> its an Arduino simulator running on STM32
2014-04-03T14:31:52 < socordia> why would you simulate arduino..
2014-04-03T14:32:01 < madisk> to use the IDE
2014-04-03T14:32:02 < madisk> duh
2014-04-03T14:32:21 < socordia> why would you simulate bad things ?
2014-04-03T14:32:31 < socordia> well.. i do simulate windows in vbox....
2014-04-03T14:32:39 < socordia> :/
2014-04-03T14:32:56 < socordia> so i guess there's a need for a simulator..
2014-04-03T14:35:32 < Steffanx> Where in that video you see "arduino powered" mr socordia ?
2014-04-03T14:35:44 < socordia> you see blue board
2014-04-03T14:35:49 < socordia> lewl
2014-04-03T14:35:51 < Steffanx> time?
2014-04-03T14:36:02 < socordia> lewl you actually watched it ?
2014-04-03T14:36:51 < Steffanx> did you watch it properly?
2014-04-03T14:37:13 < socordia> very
2014-04-03T14:37:32 < Steffanx> You are refering to the thing that is mentioned in the section "How can I control the direction of the camera?"
2014-04-03T14:37:34 < Steffanx> ?
2014-04-03T14:38:23 < Steffanx> also around 1:22 in the video
2014-04-03T14:38:30 < socordia> correct
2014-04-03T14:38:56 < Steffanx> it is not simulating/emulating/orwhatevering the arduino. You can just control the thing using an arduino....
2014-04-03T14:40:56 < socordia> clever
2014-04-03T14:41:07 < socordia> so good to mention arduino..
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2014-04-03T15:00:01 < pr0ngs> time to pull of the ultimate joke
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2014-04-03T15:04:39 < pr0ngs> you ready Steffanx ?
2014-04-03T15:05:06 < dongs> https://scontent-a-ams.xx.fbcdn.net/hphotos-prn2/t1.0-9/1534308_757802314252556_523178542_n.jpg
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2014-04-03T15:23:25 < PaulFertser> dongs: can you please tell me how to activate "testmode" in w7? bcdedit says it can't find the boot configuration data store...
2014-04-03T15:24:06 < pr0ngs> wat
2014-04-03T15:24:16 < PaulFertser> Xilinx decided they should use some "jungo" drivers for their shit, and those are unsigned...
2014-04-03T15:24:31 < PaulFertser> Instead of just using winusb...
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2014-04-03T15:27:40 < dongs> PaulFertser: i couldsign them for me
2014-04-03T15:27:41 < dongs> err
2014-04-03T15:27:42 < dongs> for you
2014-04-03T15:27:46 < dongs> if you give me the package.
2014-04-03T15:28:01 < dongs> testmode is retarded cuz you gotta always enable it..
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2014-04-03T15:28:49 < dongs> i mean press F8 or soemshit on each boot
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2014-04-03T15:39:01 < PaulFertser> dongs: thank you but it's for my stupid work... no, there's some permanent way to enable testmode, but bcdedit refuses to run altogether.
2014-04-03T15:39:45 < jpa-> xilinx does not give instructions on how to install their drivers?
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2014-04-03T15:40:28 < dongs> PaulFertser: you can use drivers I sign, i promise I wont add any NSA spyware
2014-04-03T15:43:44 < PaulFertser> dongs: do you have some signed Jungo drivers for xilinx platform usb cable?
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2014-04-03T15:44:09 < dongs> my cable didnt need fucking wiht the drivers, are you using some ancient xilinx version?
2014-04-03T15:44:11 < PaulFertser> jpa-: I couldn't find any two years ago when I dealt with that shit last time. Unfortunately, their hdd died.
2014-04-03T15:44:56 < PaulFertser> dongs: yep, I'm afraid that moronic matlab-based shit we have to use wouldn't work with newer xmd version or some such...
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2014-04-03T15:45:23 < dongs> PaulFertser: you should be able to pull platform cable drivers off say xilinx 13 or so, and it should work
2014-04-03T15:45:27 < dongs> worked for me(tm) anyway
2014-04-03T15:46:36 < dongs> platform cable drivers in 14.6 are signed
2014-04-03T15:46:42 < dongs> at least according to this box im looking at
2014-04-03T15:47:13 < dongs> PaulFertser: http://timecop.mine.nu/xpc4drvr.zip
2014-04-03T15:47:28 < dongs> oh oops need 2 more things in there
2014-04-03T15:47:59 < dongs> ok that should work
2014-04-03T15:48:05 < PaulFertser> dongs: ok, thank you very much indeed!
2014-04-03T15:48:16 < dongs> PaulFertser: make sure the zip y ou ahve is ~280k
2014-04-03T15:48:44 < PaulFertser> dongs: 334227 bytes downloaded from your link
2014-04-03T15:48:49 < dongs> kk
2014-04-03T15:52:34 < PaulFertser> I'll test it tomorrow
2014-04-03T15:52:57 < PaulFertser> Our manufacturing folks tend to go home early.
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2014-04-03T17:04:15 < Laurenceb__> http://img248.imageshack.us/img248/1743/screenshot20100515at170.png
2014-04-03T17:15:12 < Cyric> I am starting reading a huge book... the definitive guide to arm cortex-m3 and cortex-m4 processors ...i read good review on it
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2014-04-03T17:15:41 < Cyric> any of you read it? how is it?
2014-04-03T17:16:27 < Thorn> it is the definitive guide
2014-04-03T17:16:41 < Thorn> by the primary designer of the architecture itself
2014-04-03T17:17:14 < zyp> yeah, I heard it's pretty good
2014-04-03T17:18:09 < zyp> I've considered buying it myself
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2014-04-03T17:20:40 <+dekar> patching filesize and sha256 hash into a firmware: http://pastebin.com/xrUHumM1
2014-04-03T17:20:47 < Cyric> the only problem is that has 1056 pages... i would prefer to read a resume of such book
2014-04-03T17:21:14 < Thorn> it is itself a resume of the ARMv7-M ARM (+ tutorials)
2014-04-03T17:21:59 < zyp> 1000 pages isn't that much
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2014-04-03T17:22:38 < naquad> hi
2014-04-03T17:23:24 < naquad> i've got AVR Dragon that has JTAG interface, can I use it to program STM32? or should I buy something like ULink2?
2014-04-03T17:25:02 < zyp> probably not, 
2014-04-03T17:25:08 < Thorn> openocd might support that combination though I've never heard about it (and google doesn't seem to find anything)
2014-04-03T17:25:29 < Thorn> a discovery board with onboard stlinkv2 is <$30
2014-04-03T17:25:34 < zyp> either way you'd rather get something swd capable
2014-04-03T17:27:07 < zyp> and with an arm-standard pinout
2014-04-03T17:28:00 < zyp> wrestling with shitty unsupported tool combinations is not what you want to do in your first encounter with a new platform
2014-04-03T17:28:15 < zyp> that'll just leave you with an undeserved bad first impression
2014-04-03T17:30:58 < superbia> high&dry
2014-04-03T17:33:38 < superbia> was the term you were looking for
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2014-04-03T18:00:15 < naquad> ok, thanks, just ordered ULink
2014-04-03T18:00:19 < naquad> *ULink2
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2014-04-03T18:14:51 < synic> naquad: do you have an stm32?
2014-04-03T18:15:38 < PaulFertser> naquad: ulink is probably the worst choice
2014-04-03T18:16:04 < PaulFertser> openocd doesn't support neither avr dragon nor ulink.
2014-04-03T18:17:26 < aadamson> fyi, I just purchased the j-link - EDU, and am really liking it having moved over from stlink.  it comes with a good gdb and it works with openocd if needed
2014-04-03T18:18:38 < aadamson> also the new nucleo boards around $10 us, have stlink on them and have a pretty cool feature, when you plug one into a pc, it shows up as a storage device... if you drag and drop a new .bin (not sure about .hex), it will program the target from the drag and drop
2014-04-03T18:19:05 < Steffanx>  and that only works on windows? ;)
2014-04-03T18:19:16 < aadamson> oh really... darn...
2014-04-03T18:19:22 < Steffanx> it was a question
2014-04-03T18:19:41 < synic> it works on linux
2014-04-03T18:20:07 < aadamson> ah, not sure Steffanx I only work on windows ... sorry
2014-04-03T18:22:53 < englishman> ulink is the keil-only one right
2014-04-03T18:23:00 < aadamson> yep
2014-04-03T18:23:12 < englishman> i think avr dragon is still a worse choice than ulink
2014-04-03T18:23:25 < aadamson> true enough
2014-04-03T18:24:06 < aadamson> one thing I like about the gdb for jlink, it reads the flash from the part, compares it to the new load and only loads the changes :)
2014-04-03T18:24:15 < synic> naquad: if you have a discovery board, you already have a programmer
2014-04-03T18:24:16 < aadamson> makes for much faster reload/restarts
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2014-04-03T18:33:51 < naquad> synic, discovery board is on the way, currently got only several stm32f103 and some wiring
2014-04-03T18:33:52 < naquad> and led
2014-04-03T18:33:59 < naquad> led is the primary component
2014-04-03T18:34:37 < superbia> does it blink ?
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2014-04-03T18:43:43 < PaulFertser> naquad: then flash them via uart bootloader, then after disco arrives use its stlink, cancel ulink order :)
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2014-04-03T18:50:24 < synic> after using the avr programmers you will dig swd
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2014-04-03T19:02:10 < Thorn> ardweenies [tm] would dilute the quality of a serious embedded systems board. Their numbers are sheer, questions tend to be basic, attitude tends to be naive, preliminary research tends to be lacking. Would an embedded systems designer want to answer "what shield should i buy?" questions?
2014-04-03T19:03:04 < englishman> maybe if that embedded systems engineer was profiting hugely from said overpriced avr shit
2014-04-03T19:03:29 < Thorn> unfortunately true.
2014-04-03T19:03:40 < englishman> sure il post on arduino forums for a 7 digit salary
2014-04-03T19:04:36 < Steffanx> only 7?
2014-04-03T19:04:51 < englishman> plus the decimal places
2014-04-03T19:05:28 < Steffanx> Where is your ambition?
2014-04-03T19:06:22 < englishman> my ambition involves huge sailboats and clear blue water and drinks with umbrellas in them
2014-04-03T19:07:45 < gnomad> you know the definition of a sailboat, right?
2014-04-03T19:08:20 < englishman> a boat powered by wind?
2014-04-03T19:08:37 < gnomad> a hole in the water you throw money into
2014-04-03T19:08:48 < englishman> http://vimeo.com/90724253
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2014-04-03T19:13:49 < __rob> hello
2014-04-03T19:14:07 < __rob> does anyone know can I use STLink-V2 to program http://www.st.com/web/en/resource/technical/document/datasheet/DM00030610.pdf
2014-04-03T19:14:14 < __rob> STM32W zigbee chip
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2014-04-03T19:16:28 < aadamson> pin 17  is swclk, pin 20 is swdio, us the swd interface
2014-04-03T19:16:54 < aadamson> http://www.micromouseonline.com/2011/11/05/stlink-swd-for-stm32/
2014-04-03T19:19:44 < aadamson> I'd probably look at this too - http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/CD00262415.pdf
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2014-04-03T19:20:58 < aadamson> http://www.st.com/web/en/catalog/tools/PF253385 - and this, it's not that hard to find information for st stuff... just search the web __rob
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2014-04-03T19:21:31 < aadamson> englishman, maybe you need to try one of the stm32w's :)
2014-04-03T19:21:42 < Steffanx> no you should not
2014-04-03T19:22:00 < karlp> englishman: nice video
2014-04-03T19:22:01 < Steffanx> oh nevermind
2014-04-03T19:22:15 < karlp> not a lot of big sailboats up here
2014-04-03T19:22:22 < Steffanx> i thought all stm32w's were NRND but there is still one active
2014-04-03T19:22:24 < karlp> I'd kinda forgotten how insane they are
2014-04-03T19:22:28 < englishman> :)
2014-04-03T19:22:37 < englishman> need a bit more than 7 digits though yeah
2014-04-03T19:23:14 < Steffanx> Then you at least have to work a few years for it ;)
2014-04-03T19:23:29 < englishman> and a few more to crew it :P
2014-04-03T19:23:58 < englishman> decent http://www.boatinternational.com/yacht-sales/24055/felicita-west-for-sale
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2014-04-03T19:25:07 < Steffanx> Don't want to pay 18 million for an 11 years old boat..
2014-04-03T19:25:18 < Steffanx> *yacht
2014-04-03T19:25:24 < englishman> doesnt even have a helipad
2014-04-03T19:25:25 < englishman> junk
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2014-04-03T23:07:44 < synic> naquad: have you used one before, or just avrs?
2014-04-03T23:07:54 < naquad> synic, avrs
2014-04-03T23:08:48 < synic> I think you'll be surprised how much more awesome even the low end stm32 stuff is comparatively
2014-04-03T23:09:08 < naquad> i'm reading datasheet and i'm already amazed
2014-04-03T23:09:22 < naquad> lots and lots of new stuff
2014-04-03T23:09:24 < synic> even the cost is pretty cool
2014-04-03T23:09:55 < naquad> yeah, got mine f103 for ~3$
2014-04-03T23:10:11 < Laurenceb> id suspect even F0 is better than almost all avr
2014-04-03T23:10:14 < naquad> i think in bulk it'll be even cheaper
2014-04-03T23:10:40 < synic> Laurenceb: yeah
2014-04-03T23:11:36 < Steffanx> but no dip Laurenceb :P
2014-04-03T23:11:51 < naquad> which to be honest sucks :( had to solder a platform for it
2014-04-03T23:11:57 < Steffanx> Don't you remember the good old time where non-dip wasn an issue for you?
2014-04-03T23:12:16 < Steffanx> s/wasn/was
2014-04-03T23:12:45 < Laurenceb> http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1574/LN1826/PF258968
2014-04-03T23:12:52 < Laurenceb> better than most avr
2014-04-03T23:12:53 < synic> I got some dip adapters just for dinking around, but I don't think they are any harder to solder
2014-04-03T23:13:15 < Steffanx> and there wasn't a time you did think it was harder?
2014-04-03T23:13:30 < synic> oh there was, until I tried it :)
2014-04-03T23:14:37 < Steffanx> harder isn't the right word i think. I mean im sure tqfp is harder than dip
2014-04-03T23:15:22 < Laurenceb> http://www.digikey.com/product-detail/en/STM32F030C8T6/497-14043-ND/4357252
2014-04-03T23:15:27 < Laurenceb> http://www.digikey.com/product-detail/en/ATMEGA644A-AU/ATMEGA644A-AU-ND/2271045
2014-04-03T23:15:30 < Laurenceb> lolz
2014-04-03T23:15:54 < synic> can't you get an F4 for that price?
2014-04-03T23:16:01 < Laurenceb> yup
2014-04-03T23:17:53 < Steffanx> Laurenceb came from #avr as well?
2014-04-03T23:18:43 < Laurenceb> no
2014-04-03T23:18:57 < Laurenceb> ive used a few avrs...
2014-04-03T23:19:00 < Steffanx> i think #stm32 had it's roots in #avr
2014-04-03T23:19:38 < Laurenceb> www.ukhas.org.uk/_media/projects:report_v4.pdf‎
2014-04-03T23:19:55 < Steffanx> f ?
2014-04-03T23:20:35 < Steffanx> even a real ngw100 Laurenceb  :D
2014-04-03T23:21:06 < Laurenceb> yup
2014-04-03T23:21:17 < englishman> non-dip isnt really an issue anymore with places like oshpark, itead, etc
2014-04-03T23:21:18 < Laurenceb> i had 5 of them
2014-04-03T23:21:44 < englishman> even toner transfer on copper clad has decent results if you need a pcb in an hour
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2014-04-04T00:09:40 < naquad> is ULink2 appropriate choice for programming STM32 uC? or should i consider some other hw?
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2014-04-04T00:10:38 < Thorn> imo either jlink or black magic probe
2014-04-04T00:10:44 < synic> naquad: no.  The discovery board has an stlink on it you can use to program an external uC
2014-04-04T00:10:54 < synic> it's basically one of these http://www.st.com/web/en/catalog/tools/FM146/CL1984/SC724/SS1677/PF251168
2014-04-04T00:13:28 < naquad> synic, i'm reading its description, from what i see it has onboard stlink that programs onboard uC, but i don't see any mentions of programming external uC
2014-04-04T00:13:34 < naquad> or am i missing something
2014-04-04T00:13:59 < Thorn> you can disconnect it from the onboard uc
2014-04-04T00:14:10 < naquad> with soldering iron? :)
2014-04-04T00:14:11 < Thorn> but it's annoying to use imo
2014-04-04T00:14:20 < synic> no, there are two jumpers
2014-04-04T00:14:36 < synic> you remove them, and then there's a SWD header you can use
2014-04-04T00:15:02 < Thorn> which is completely non-standard for some reason
2014-04-04T00:16:59 < naquad> mmm ok, i'll ask the question different way
2014-04-04T00:17:13 < naquad> i'm a total noob that got stm32 yesterday, i'm just reading datasheet
2014-04-04T00:17:20 < naquad> now i want to program something
2014-04-04T00:17:24 < naquad> which device should i use?
2014-04-04T00:18:19 < naquad> http://www.rutronik.com/webgate/index.php?m=stock&cmd=buynow&supplier=ST&part=ST-LINK/V2 - will that thing do?
2014-04-04T00:18:43 < naquad> oops, not, it won't
2014-04-04T00:19:34 < synic> Thorn: is that bmp supported by openocd?
2014-04-04T00:19:49 < Thorn> thankfully not lol
2014-04-04T00:19:58 < Thorn> it has its own builtin gdbserver
2014-04-04T00:20:13 < synic> oh
2014-04-04T00:20:15 < synic> well then.
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2014-04-04T00:21:27 < naquad> so what about my question? what if i'll buy just st-link v2?
2014-04-04T00:21:31 < synic> naquad: sounds like the bmp is pretty cool
2014-04-04T00:21:43 < synic> but the st-link v2 works, or you can use the discovery board
2014-04-04T00:21:59 < naquad> i don't see it anywhere :( i've looked for black magick probe in local stores
2014-04-04T00:22:04 < naquad> and they don't have it
2014-04-04T00:22:12 < naquad> are there any other names for it?
2014-04-04T00:22:40 < synic> I also got a st-link v2 clone from aliexpress for a couple dollars that works too
2014-04-04T00:23:03 < Thorn> naquad: what is your planned use? custom boards vs. off the shelf ones? serious/frequent or casual?
2014-04-04T00:23:38 < naquad> Thorn, casual, not demo boards, mostly self-built stuff
2014-04-04T00:24:06 < Thorn> and which IDE if any
2014-04-04T00:24:22 < naquad> vim + Makefile :)
2014-04-04T00:24:37 < Thorn> then you need something with a good gdbserver
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2014-04-04T00:25:17 < naquad> that would be awesome, tbh i've got pretty bad impression from on-chip debugging because of avr :( but as i understand stm32 has higher freq so it won't be that bad
2014-04-04T00:25:32 < Thorn> st-link is supported by openocd but bmp has been more reliable / not as brittle in my experience
2014-04-04T00:26:03 < Thorn> what do you mean by higher freq? it was too slow on the avr?
2014-04-04T00:26:36 < karlp> the tools for debugwire are finicky
2014-04-04T00:26:52 < karlp> and switching modes to allow debug and then flashing and crap
2014-04-04T00:29:45 < naquad> Thorn, on the avr i've been doing debugging of DS18B20 protocol, i've had a clock speed: whenever i ran it in debug mode i've been seeing 0s in registgers / vars, while in non-debug mode it was ok. problem was with frequency, after adding 16MHz crystal it started to work as expected, but still i wasn't able to debug it. selae + debugwire dump was much more helpful
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2014-04-04T00:43:51 < naquad> any ideas where to buy black magick probe in EU?
2014-04-04T00:44:52 < Steffanx> some made their own version, maybe zyp has a spare one..
2014-04-04T00:45:16 < Steffanx> i don't think you can buy the Ã"officil" one in europe
2014-04-04T00:46:21 < naquad> willl try to order it in US then
2014-04-04T00:46:23 < naquad> thanks for info
2014-04-04T00:48:03 < Steffanx> im not sure if the bmp is much better than for example a stlink and openocd
2014-04-04T00:49:54 < zyp> depends where your priorities lie
2014-04-04T00:51:00 < Thorn> we should probably ask dongs to stock a clone in his scamshoppe
2014-04-04T00:51:12 < Laurenceb> http://www.amazon.com/Diamond-Digital-Audio-Ethernet-Connection/dp/B003CT2A6I/ref=cm_cr_pr_product_top
2014-04-04T00:51:14 < Steffanx> abusemark <3
2014-04-04T00:51:34 < Steffanx> What's new Laurenceb ?
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2014-04-04T01:20:49 < gnomad> i bet the reviews on that are a hoot...
2014-04-04T01:25:14 < gnomad> naquad: BMP has been ported to the stellaris/tiva launchpad.  $12 will get you one of those from TI.
2014-04-04T01:29:00 < Thorn> oh and iirc it's been ported to st-link too
2014-04-04T01:29:12 < Steffanx> and ftdi crap :P
2014-04-04T01:29:20 < Thorn> (the discovery one)
2014-04-04T01:30:40 < Steffanx> you also made your own, didn't you Thorn ?
2014-04-04T01:30:55 < Thorn> yes I did
2014-04-04T01:31:25 < Thorn> it has a debug connector for the debugger so you can debug while you debug
2014-04-04T01:31:46 < Steffanx> hah
2014-04-04T01:32:03 < Thorn> and a target reset button, and my trademark idc-10 target connector
2014-04-04T01:32:33 < Steffanx> your trademark...
2014-04-04T01:33:03 < Thorn> nobody else uses it for cortex debug afaik
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2014-04-04T01:45:32 < karlp> seriously, if you're suggesting tools for a brand new user, buying a tiva/disco board and _reprogramming_ it to run BMP instead, _before_ you can even start doing anything?! why would you make that step 1?!
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2014-04-04T01:48:00 < Steffanx> because one can karlp ? :)
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2014-04-04T02:10:47 < gnomad> Well, because tiva boards are delivered to your door for under $15, and BMPs are *much* more -- if you can even find one.
2014-04-04T02:11:31 < gnomad> if it was easy to pick up a BMP for $30, yeah, I'd say that choice was a no-brainer.
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2014-04-04T03:42:46 < aadamson> Yea - It's alive... nuf said :)
2014-04-04T03:43:03 < aadamson> oh, ok, dpll works, radio is on frequency and dual tons are spot on...
2014-04-04T03:43:46 < timemob> next step install lunix
2014-04-04T03:43:53 < timemob> to break it all
2014-04-04T03:44:03 < aadamson> hehe, won't fit on a 128k l1 :)
2014-04-04T03:44:22 < timemob> that crazy ass ds2 guy did it
2014-04-04T03:44:27 < aadamson> and at 32mhz would be *extremely painful
2014-04-04T03:45:20 < aadamson> so did I hear you are coming this way for vacation?
2014-04-04T03:45:38 < aadamson> I think the fallout zone is already hear so you won't get away from that.
2014-04-04T03:46:21 < timemob> ya driving to airport now
2014-04-04T03:47:29 < Bird|otherbox> question: how does one get OpenOCD to start up in interactive mode?
2014-04-04T03:47:42 < aadamson> start it from the command line?
2014-04-04T03:47:55 < aadamson> safe travel Dongs, doing anything fun when you get here?
2014-04-04T03:48:00 < Bird|otherbox> aadamson: it keeps wanting to exit when I do that.
2014-04-04T03:48:11 < aadamson> is your debugger connected and working?
2014-04-04T03:48:23 < aadamson> openocd will just bail if it doesn't find a debugger
2014-04-04T03:48:27 < Bird|otherbox> yeah, at least on the box I was trying it on
2014-04-04T03:48:35 < Bird|otherbox> (which isn't with me, nor is my debug adapter atm :P)
2014-04-04T03:48:36 < aadamson> and you know it works?
2014-04-04T03:49:04 < Bird|otherbox> aadamson: it's a FT2232 based unit that I've been able to connect to with UrJTAG before...
2014-04-04T03:49:07 < aadamson> ah well, it will bail if it doesn't find the debugger, and it doesnt support all of them by default
2014-04-04T03:49:22 < Bird|otherbox> (Bus Blaster, HW rev 2.5, buffer programmed to emulate a KT-link)
2014-04-04T03:49:29 < aadamson> ok, well I have no idea, I use stlinks and jlinks on this end
2014-04-04T03:49:45 < Bird|otherbox> yeah, I suspect the ST-link doesn't support the LPC11xx
2014-04-04T03:49:54 < Bird|otherbox> and jlinks are out of my price range
2014-04-04T03:50:32 < Bird|otherbox> I *suppose* that I could mod my f0disco
2014-04-04T03:51:07 < aadamson> stlinks only stms and jlink has an edu package for $60 (which isn't dirt cheap, but was reasonable for what you get)
2014-04-04T03:51:55 < Bird|otherbox> well, I might as well get a BMP for that price :P
2014-04-04T03:56:27 < aadamson> ya can make one of those... I wanted something faster than the *cheap* stuff so I splurged
2014-04-04T03:59:20 < munki_> do you guys like the nucleo or discovery boards more
2014-04-04T04:00:47 < englishman> i prefer the leonardo
2014-04-04T04:02:07 < timemob> what did you get
2014-04-04T04:02:24 < timemob> oh j link
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2014-04-04T04:26:41 < aadamson> depends, I like one feature of the nucleo - if you drag/drop a .bin file to it it will flash it to the target :)
2014-04-04T04:26:52 < aadamson> I wish the discoveries did that too sometimes...
2014-04-04T04:27:25 < munki_> englishman: don't be playin like dat
2014-04-04T04:27:32 < munki_> aadamson: do you use keil?
2014-04-04T04:28:27 < aadamson> nope
2014-04-04T04:29:19 < munki_> almost that level of functionality there
2014-04-04T04:29:31 < aadamson> i started in eclipse and I know my way around it and I know how to control my stm projects associated with it, so I'll just stay where I am
2014-04-04T04:29:37 < munki_> press f7 to compile and then click download to flash it
2014-04-04T04:29:45 < zyp> aadamson, that's pretty useless for development, and easy deployment can be facilitated on anything by use of bootloaders
2014-04-04T04:30:34 < aadamson> zyp, yes I now, I have my own bootloaders for that very reason, but there have been times when I was working on one thing and just needed to verify something quickly on another
2014-04-04T04:30:48 < aadamson> besides it is pretty novel - cool...
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2014-04-04T04:31:49 < Bird|otherbox> aadamson: that is nice, I know the LPC11Uxx parts try to do a similar thing, just with varying levels of success...
2014-04-04T04:32:49 < Bird|otherbox> besides, the best bootloader is the one you get in the box already :P as it's something you don't have to write/debug
2014-04-04T04:33:00 < aadamson> it's probably a beginner thing more than anything, but the first time I tired it I had to stop and see if what I saw really was what happened
2014-04-04T04:33:39 < aadamson> Bird|otherbox, if you have swd that is, but the F1 only has bootloader on uart1, not usb and so that kinda sucks
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2014-04-04T04:35:01 < zyp> I wrote my own bootloader rather than using the usb-capable bootloader in f3 for a couple of reasons
2014-04-04T04:35:45 < aadamson> zyp, I've been working on the same... about 70% ported the dfu software stuff from the FS library, have it running on the F1, but other things got in the way on the F3
2014-04-04T04:36:00 < aadamson> I have another bootloader that someone else did for the F3 now, but wanted my own
2014-04-04T04:37:36 < zyp> 70% ported? is it that large?
2014-04-04T04:38:28 < aadamson> oh I should say, it's ported, but it isn't working and I didn't debug it yet
2014-04-04T04:38:37 < aadamson> it builds and loads, but I don't get usb detect
2014-04-04T04:38:45 < aadamson> and I'm pretty sure I know why
2014-04-04T04:38:54 < zyp> I'm just curious, how much code are we talking here?
2014-04-04T04:39:03 < aadamson> less than 89k
2014-04-04T04:39:04 < aadamson> 8k
2014-04-04T04:39:10 < zyp> I mean source
2014-04-04T04:39:14 < aadamson> I have no idea
2014-04-04T04:39:21 < aadamson> go look in the dfu code in the fs library
2014-04-04T04:40:39 < zyp> I'm not that curious :)
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2014-04-04T04:41:38 < aadamson> it's probably 2K lines, it's the vcp and the dfu code, I really have no idea
2014-04-04T04:42:02 < timemob> st dfu bootloader is pretty boat
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2014-04-04T04:42:07 < zyp> I just wonder since my minimal DFU bootloader is ~300 lines, with DFU handling being ~80 of those
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2014-04-04T05:31:30 < timemob> sup pros
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2014-04-04T05:56:17 < Thorn> >Power supply current slew rate 600 A/uS
2014-04-04T05:57:47 < Thorn> http://s019.radikal.ru/i630/1205/80/5b9e4d6cb9ed.jpg core 2 duo
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2014-04-04T06:53:14 < upgrdman> does the slew rate mean that during the current transients, it can peak at 600A?
2014-04-04T06:54:39 < gxti> no, it's a rate of change
2014-04-04T06:55:07 < gxti> presumably that it can maintain regulation as long as the load does not change faster than 600A/us
2014-04-04T06:56:12 < Thorn> why so hardcore anyway
2014-04-04T06:56:38 < Thorn> I don't think any ARM requires anything near that
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2014-04-04T07:41:12 < gxti> it's not 600 amps. it's a rate of change.
2014-04-04T07:41:54 < gxti> every time the clock ticks there's a shitload of charge moved around.
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2014-04-04T10:18:46 < akaWolf> why dekar has voice? )
2014-04-04T10:23:00 < jpa-> because he is in charge of answering all stupid questions today
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2014-04-04T10:26:08 < PaulFertser> dongs: that sort of helped, thank you. Even though it still says driver is unsigned and it said it refused to install new driver for whatever reason it all started to work.
2014-04-04T10:26:55 < PaulFertser> dongs: strange thing is that when i start msconfig the "boot" pane is all empty and inactive. I guess disfunctional bcdedit is related. No fucking clue what does it mean.
2014-04-04T10:27:26 < PaulFertser> I'm so happy I do not need to deal with that "professional OS" on a daily basis.
2014-04-04T10:30:07 < PaulFertser> kuldeepdhaka: sorry I've already forgotten but can you tell me one more time, why did you decide kl25z sucked?
2014-04-04T10:30:14 < PaulFertser> In general, what's bad about kinetis parts?
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2014-04-04T10:32:33 < FreezingCold> target state: halted
2014-04-04T10:32:33 < FreezingCold> target halted due to debug-request, current mode: Thread
2014-04-04T10:32:33 < FreezingCold> xPSR: 0x01000000 pc: 0x08005e08 msp: 0x20000c68
2014-04-04T10:32:33 < FreezingCold> ** Programming Started **
2014-04-04T10:32:33 < FreezingCold> auto erase enabled
2014-04-04T10:32:33 < FreezingCold> Error: couldn't open main.elf
2014-04-04T10:32:54 < PaulFertser> FreezingCold: is main.elf in the current directory?
2014-04-04T10:33:05 < PaulFertser> FreezingCold: please show your entire command line
2014-04-04T10:33:22 < FreezingCold> PaulFertser: I'm using eclipse
2014-04-04T10:33:33 < PaulFertser> FreezingCold: what do you have in hw debug settings?
2014-04-04T10:33:37 < FreezingCold> it's in debug/ProjectName.hex
2014-04-04T10:33:38 < kuldeepdhaka> PaulFertser, i dont meant that hw wise it sucks. i wasnt that much into uC thing'ies. kl25z community was more toward close'd source. their is very less initiatives for open source. and the mbed thing dosnt lure me either because it was not supporting gcc for kl25. and hell lots of ide bloatware. i sort of learning/work i was looking wasnt their for kl25z
2014-04-04T10:33:45 < PaulFertser> FreezingCold: no, you do not need hex at all.
2014-04-04T10:33:58 < PaulFertser> FreezingCold: I guess you followed some lame tutorial for eclipse+hw debug
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2014-04-04T10:34:22 < FreezingCold> yep
2014-04-04T10:34:46 < PaulFertser> kuldeepdhaka: but you can just use gcc etc as usual with kl25z or can't you? What was the issue with that?
2014-04-04T10:35:20 < PaulFertser> FreezingCold: show me a screenshot of your hw debug config please.
2014-04-04T10:35:29 < PaulFertser> FreezingCold: are you using 0.8.0-rc1?
2014-04-04T10:36:35 < FreezingCold> http://i.imgur.com/sNb6kXN.jpg
2014-04-04T10:38:20 < kuldeepdhaka> PaulFertser, when i searched, their was only one project that by "Andrew Payne" https://github.com/payne92/bare-metal-arm   and that reference code was awesome for me.
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2014-04-04T10:39:25 < kuldeepdhaka> PaulFertser, i had my own limitations and the type of community and support i was looking wasnt favorable for me. so i felt bad about it.
2014-04-04T10:39:47 < FreezingCold> yay I got an LED blinking!
2014-04-04T10:39:49 < PaulFertser> FreezingCold: that's not the right way to do hw debugging at all, remove "-c" altogether.
2014-04-04T10:39:58 < PaulFertser> FreezingCold: and please show your hw debugging config pane.
2014-04-04T10:40:26 < PaulFertser> kuldeepdhaka: I understand, thank you. So far what I found nice about that part is that it has 16-bit ADC integrated.
2014-04-04T10:40:35 < kuldeepdhaka> PaulFertser, usb documentation is pathetic. i learned more from microchip usb datasheet about their freescale usb peripherial then their uC datasheet
2014-04-04T10:40:42 < PaulFertser> :)))
2014-04-04T10:40:57 < FreezingCold> PaulFertser: Thanks, I really appreciate the help :) Do you have a decent Eclipse + STM32F4 guide? I don't want to bother you if know of a decent one
2014-04-04T10:41:00 < FreezingCold> I already tried following two
2014-04-04T10:41:16 < FreezingCold> PaulFertser: which pane exactly?
2014-04-04T10:42:41 < PaulFertser> FreezingCold: with 0.8.0 it should be all really transparent. Basically, you start openocd anyhow you like giving it the board config, nothing else. Then in the "GDB Hardware Debugging" plugin settings you tick only "load" checkbox and nothing else. And that should be it.
2014-04-04T10:43:16 < kuldeepdhaka> PaulFertser, yea, the 16bit ADC was one of the most influencing factor for us while selecting uC's , and was having usb at such low cost, and a DAC
2014-04-04T10:43:27 < FreezingCold> http://imgur.com/ReNGSLT,ZkwCyT7
2014-04-04T10:43:50 < FreezingCold> PaulFertser: Is the second image what you wanted to see?
2014-04-04T10:44:09 < FreezingCold> and by 0.8.0, what software are you referring to?
2014-04-04T10:44:19 < PaulFertser> FreezingCold: openocd 0.8.0-rc1
2014-04-04T10:44:41 < FreezingCold> [20140404:034407~]$ openocd --help
2014-04-04T10:44:41 < FreezingCold> Open On-Chip Debugger 0.8.0-dev-00398-g075c3f8 (2014-03-22-16:30)
2014-04-04T10:45:26 < FreezingCold> Where's the GDB Hardware Debugging option found?
2014-04-04T10:45:27 < FreezingCold> Can't find it
2014-04-04T10:45:39 < PaulFertser> FreezingCold: on the first screenshow you still have -c "program...", that should be removed imho. The second screenshot is not the one I'm talking about. You're probably lacking hw debugging plugin for eclipse.
2014-04-04T10:46:00 < PaulFertser> FreezingCold: I suggest you switch to -rc1 to help verifying the release candidate :)
2014-04-04T10:46:01 < FreezingCold> Can I remove the -f or is that a bad idea?
2014-04-04T10:46:11 < FreezingCold> lemme check the AUR and I will ;)
2014-04-04T10:46:27 < PaulFertser> FreezingCold: the -f needs to stay, it tells openocd how and where to connect
2014-04-04T10:46:40 < PaulFertser> FreezingCold: you should be able to download that plugin from within eclipse itself.
2014-04-04T10:46:49 < PaulFertser> kuldeepdhaka: thank you for the info
2014-04-04T10:46:50 < FreezingCold> but I like my package manager...
2014-04-04T10:46:56 < FreezingCold> pacman is awesome!
2014-04-04T10:47:01 < kuldeepdhaka> PaulFertser, :)
2014-04-04T10:47:21 < FreezingCold> uh
2014-04-04T10:47:51 < FreezingCold> there we go
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2014-04-04T10:49:20 < FreezingCold> one second, compiling from git
2014-04-04T10:56:04 < FreezingCold> built!
2014-04-04T10:56:17 < FreezingCold> [20140404:035544~/openocd-git]$ openocd --version
2014-04-04T10:56:17 < FreezingCold> Open On-Chip Debugger 0.8.0-rc1-dev-00001-gd7cbdee (2014-04-04-03:54)
2014-04-04T10:57:23 < FreezingCold> jesus programming is fast
2014-04-04T10:57:29 < FreezingCold> I can't even see the chip go offline lol
2014-04-04T10:58:18 < FreezingCold> okay so I took out  -c "program Debug/NewDemo.elf verify reset"
2014-04-04T10:59:01 < FreezingCold> okay all that happens is my COM LED blinks rapidly
2014-04-04T10:59:07 < FreezingCold> it never programs
2014-04-04T10:59:13 < FreezingCold> Info : using stlink api v2
2014-04-04T10:59:13 < FreezingCold> Info : Target voltage: 2.905039
2014-04-04T10:59:13 < FreezingCold> Info : stm32f4x.cpu: hardware has 6 breakpoints, 4 watchpoints
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2014-04-04T10:59:56 < PaulFertser> FreezingCold: it shouldn't program unless you install gdb hw debugging eclipse plugin and check "load" in there.
2014-04-04T11:00:32 < PaulFertser> FreezingCold: and then you'll press "green play" button as you would do for debugging a native application and it would load it into target and let you step-by-step etc.
2014-04-04T11:01:15 < FreezingCold> I feel so stupid for asking this, but how can I tell if I already have the plugin?
2014-04-04T11:02:19 < FreezingCold> [20140404:040145~]$ gdb -version
2014-04-04T11:02:19 < FreezingCold> GNU gdb (GDB) 7.7
2014-04-04T11:05:30 < FreezingCold> PaulFertser: is this it? http://i.imgur.com/lHaejQD.jpg
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2014-04-04T11:06:13 < PaulFertser> FreezingCold: iirc yes
2014-04-04T11:07:26 < FreezingCold> PaulFertser: great... http://i.imgur.com/p8IgFGG.jpg
2014-04-04T11:08:08 < FreezingCold> PaulFertser: http://i.imgur.com/Vi5U2Jz.jpg
2014-04-04T11:09:52 < FreezingCold> same problem
2014-04-04T11:10:20 < FreezingCold> http://i.imgur.com/H9PUdRn.jpg
2014-04-04T11:12:16 < PaulFertser> FreezingCold: you haven't shown me hw debugging pane yet ;)
2014-04-04T11:12:21 < PaulFertser> No problem here.
2014-04-04T11:12:54 < FreezingCold> http://i.imgur.com/uLQ61mj.jpg
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2014-04-04T11:17:22 < FreezingCold> PaulFertser: do you use "run" or "debugging"
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2014-04-04T11:17:38 < PaulFertser> FreezingCold: debugging
2014-04-04T11:17:49 < PaulFertser> FreezingCold: but you need "load" checkbox ticked
2014-04-04T11:18:28 < FreezingCold> Where?
2014-04-04T11:18:50 < FreezingCold> http://i.imgur.com/EzLx2oR.jpg
2014-04-04T11:19:21 < PaulFertser> FreezingCold: yes, here!
2014-04-04T11:19:38 < FreezingCold> right, that's the settings I currently have
2014-04-04T11:19:40 < PaulFertser> FreezingCold: and then press the "bug" button to start debugging.
2014-04-04T11:19:53 < PaulFertser> FreezingCold: and it flashes automatically as gdb loads the elf first.
2014-04-04T11:21:01 < PaulFertser> FreezingCold: for Halt you should want to add "mon halt" if you plan to attach to running targets (but then you'll need to untick "load").
2014-04-04T11:21:44 < FreezingCold> http://i.imgur.com/JGxMf9J.jpg <- doesn't seem to work?
2014-04-04T11:22:06 < FreezingCold> Because I've never gotten it to work, I don't know what I expect to see
2014-04-04T11:23:06 < PaulFertser> FreezingCold: what happened when you pressed the "bug" button to the left of the "play"?
2014-04-04T11:23:25 < FreezingCold> that
2014-04-04T11:23:49 < FreezingCold> ./bin/bash: /home/dave/workspace/NewDemo/Debug/NewDemo.elf: Success
2014-04-04T11:23:51 < PaulFertser> FreezingCold: what do you have in http://i.imgur.com/EzLx2oR.jpg but on "debugger" pane?
2014-04-04T11:23:57 < FreezingCold> /bin/bash: /home/dave/workspace/NewDemo/Debug/NewDemo.elf: cannot execute binary file: Exec format error
2014-04-04T11:24:38 < FreezingCold> http://i.imgur.com/a0v6KW6.jpg
2014-04-04T11:25:35 < PaulFertser> FreezingCold: port number should be 3333, also I suggest you use arm-none-eabi-gdb instead of system gdb (as your system gdb might lack multiarch and/or xml support).
2014-04-04T11:26:28 < FreezingCold> er, I don't have arm-none-eabi-gdb
2014-04-04T11:27:55 < PaulFertser> FreezingCold: what arm toolchain are you using?
2014-04-04T11:28:33 < PaulFertser> FreezingCold: if your main gdb is multiarch it should work too. You can test it manually starting openocd and gdb and "tar ext :3333".
2014-04-04T11:28:36 < FreezingCold> [20140404:042801~/openocd-git]$ pacman -Qi arm-none-eabi-gcc
2014-04-04T11:28:36 < FreezingCold> Name           : arm-none-eabi-gcc
2014-04-04T11:28:36 < FreezingCold> Version        : 4.8.2-8
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2014-04-04T11:34:50 < FreezingCold> Why doesn't run work?
2014-04-04T11:35:15 < PaulFertser> FreezingCold: you can't run on your host firmware for your target :)
2014-04-04T11:35:38 < FreezingCold> but run should program my device
2014-04-04T11:35:41 < FreezingCold> no?
2014-04-04T11:36:55 < PaulFertser> FreezingCold: i'm not an eclipse user, I guess no, not for hw debugging.
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2014-04-04T11:45:54 < FreezingCold> I'm going to try installing linaro to see if that works
2014-04-04T11:46:17 < FreezingCold> oops
2014-04-04T11:46:22 < FreezingCold> I never installed arm-none-eabi-gdb
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2014-04-04T11:48:12 < PaulFertser> FreezingCold: how does normal gdb not work? Have you tried starting it manually without eclipse?
2014-04-04T11:48:24 < FreezingCold> I forgot to install arm's gdb
2014-04-04T11:48:26 < FreezingCold> Error in final launch sequence
2014-04-04T11:48:26 < FreezingCold> Failed to execute MI command:
2014-04-04T11:48:26 < FreezingCold> -exec-run
2014-04-04T11:48:26 < FreezingCold> Error message from debugger back end:
2014-04-04T11:48:26 < FreezingCold> Don't know how to run.  Try "help target".
2014-04-04T11:48:27 < FreezingCold> Don't know how to run.  Try "help target".
2014-04-04T11:50:55 < PaulFertser> FreezingCold: you do not need arm's gdb really.
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2014-04-04T11:51:42 < FreezingCold> http://i.imgur.com/DeACHZ5.png
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2014-04-04T11:54:28 < PaulFertser> FreezingCold: try running it without eclipse
2014-04-04T11:56:27 < FreezingCold> run what?
2014-04-04T11:57:04 < FreezingCold> This is what it shows when I attempt to debug
2014-04-04T11:57:04 < FreezingCold> http://i.imgur.com/eIQIaX4.png
2014-04-04T11:57:52 < FreezingCold> The target endianness is set automatically (currently little endian)
2014-04-04T11:57:53 < FreezingCold> warning: Could not load shared library symbols for linux-vdso.so.1.
2014-04-04T11:57:53 < FreezingCold> Do you need "set solib-search-path" or "set sysroot"?
2014-04-04T11:57:53 < FreezingCold> [Thread debugging using libthread_db enabled]
2014-04-04T11:57:56 < FreezingCold> it almost seems like it's working
2014-04-04T11:58:46 < PaulFertser> FreezingCold: close eclipse altogether, run openocd, run gdb, in gdb use "tar ext :3333"
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2014-04-04T12:01:50 < FreezingCold> I can't program with the .elf
2014-04-04T12:02:02 < FreezingCold> the COM port just rapidly blinks
2014-04-04T12:02:48 < FreezingCold> target needs reset
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2014-04-04T12:04:03 < FreezingCold> Info : flash size = 1024kbytes
2014-04-04T12:04:03 < FreezingCold> undefined debug reason 7 - target needs reset
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2014-04-04T12:06:45 < FreezingCold> yeah so I think it's just not flashing the device
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2014-04-04T12:16:19 < FreezingCold> heh so I got programming working again, but the path is hardcoded
2014-04-04T12:16:30 < FreezingCold> openocd doesn't seem to do that autodetecting
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2014-04-04T12:18:37 < FreezingCold> http://sprunge.us/BdeD
2014-04-04T12:20:55 < FreezingCold> PaulFertser: it just shuts down after programming and halts
2014-04-04T12:22:32 < karlp> aadamson: stlink doesnt's upport only stm parts, what made you say that?
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2014-04-04T12:24:30 < FreezingCold> this is so depressingi
2014-04-04T12:24:41 < FreezingCold> I've been trying for two hours just to get a freaking program to run in eclipse
2014-04-04T12:24:43 < FreezingCold> not even programming
2014-04-04T12:25:03 < jpa-> FreezingCold: maybe you should just stick with arduino
2014-04-04T12:25:23 < FreezingCold> fuck you, I've written in assembly
2014-04-04T12:25:56 < jpa-> doesn't help much if you can't get your code to run ;)
2014-04-04T12:30:13 < FreezingCold> fuck it, I'm out for the night
2014-04-04T12:30:17 < FreezingCold> getting pretty angry
2014-04-04T12:33:22 < PaulFertser> FreezingCold: because you're not doing it right
2014-04-04T12:34:09 < FreezingCold> not doing _what_ right?
2014-04-04T12:34:24 < FreezingCold> you understand that I've been trying various settings for over two hours right?
2014-04-04T12:34:36 < FreezingCold> and we're not counting the other few DAYS I've spent awhile back
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2014-04-04T13:01:35 < madisk> writing assembly is some kind of badge ?
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2014-04-04T13:26:15 -!- mode/##stm32 [+v akaWolf] by ChanServ
2014-04-04T13:26:18 < Steffanx> because you liek it so much :P
2014-04-04T13:27:41 < Steffanx> akaWolf, chanserv gives him voice because he's a channel op.. and has some flag set that gives auto-voices him.
2014-04-04T13:28:04 < Steffanx> -gives
2014-04-04T13:29:24 -!- mode/##stm32 [-v akaWolf] by ChanServ
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2014-04-04T14:56:46 < PaulFertser> Is mbed HAL worth looking at?
2014-04-04T15:01:35 < Fleck> yep
2014-04-04T15:10:21 < PaulFertser> Fleck: what other libraries have you tried and what was the overall impression?
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2014-04-04T15:16:17 < Fleck> naah, I am not the right guy to ask that :D I'm noob :D
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2014-04-04T15:17:51 < PaulFertser> Hm, I wonder if semihosting will "just work" with mbed cmsis-dap adapter without any tweaks + openocd.
2014-04-04T15:27:02 < PaulFertser> A comparison between OpenSDA (on freescale "freedom" boards) and mbed CMSIS-DAP (that can be installed instead of OpenSDA on those same boards): OpenSDA requires custom drivers and not compatible with just about anything. Can be replaced with Freescale CMSIS-DAP implementation and it works ok but is still worse than mbed because it lacks additional auxiliary uart channel (CDC ACM) and mass storage emulation.
2014-04-04T15:29:20 < PaulFertser> STLink is usable for many different non-ST targets and also supports SWO (ITM tracing). But it can't perform some low-level operations, e.g. can't unsecure Kinetis parts. CMSIS-DAP can but lacks SWO.
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2014-04-04T15:34:39 < karlp> does cmsis dap really lack swo?
2014-04-04T15:34:45 < karlp> that sucks :|
2014-04-04T15:35:05 < PaulFertser> They say they probably have plans to implement it.
2014-04-04T15:35:34 < PaulFertser> https://github.com/mbedmicro/CMSIS-DAP this seems to be the most relevant repository for cmsis-dap.
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2014-04-04T16:33:23 < Laurenceb__> http://s1.b3ta.com/host/creative/84793/1396618184/gslogo.jpg
2014-04-04T16:35:08 < Laurenceb__> http://www2.b3ta.com/host/creative/65077/1359710722/1cup.jpg
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2014-04-04T16:36:06 < gxti> morning craps
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2014-04-04T16:45:24 < Fleck> morning gxti
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2014-04-04T17:43:25 < synic> it is unclear whether the BMP supports cores other than the M3, does anyone know?  Maybe the wiki is just out of date
2014-04-04T17:43:45 < Steffanx> m4 is definitely supported
2014-04-04T17:43:53 < Steffanx> m0 probably too..
2014-04-04T17:43:58 < synic> cool
2014-04-04T17:45:04 < Steffanx> github is more up to date.. but you have to look at the commit log
2014-04-04T17:45:51 < Steffanx> https://github.com/gsmcmullin/blackmagic/commits/master
2014-04-04T17:46:04 < Steffanx> it seems to be a bit vendor specific though.
2014-04-04T17:46:58 < zyp> it's mainly the flash writing routines that are vendor specific
2014-04-04T17:46:59 < synic> looks somewhat active too
2014-04-04T17:47:06 < Steffanx> i guess i should update again
2014-04-04T17:47:37 < Thorn> lpc11 is supported which is m0
2014-04-04T17:47:49 < Steffanx> f0 is m0 too
2014-04-04T17:47:56 < Steffanx> *stm32f0
2014-04-04T17:49:45 < effractur> the lpc11 are m0+
2014-04-04T17:50:18 < synic> what does a "standard" SWD look like?
2014-04-04T17:50:24 < synic> er.. SWD connector
2014-04-04T17:50:34 < zyp> 10-pin 1.27mm-pitch
2014-04-04T17:50:40 < Thorn> synic: google cortex debug
2014-04-04T17:50:51 < zyp> http://infocenter.arm.com/help/topic/com.arm.doc.faqs/attached/13634/cortex_debug_connectors.pdf
2014-04-04T17:52:40 < gxti> stlink style 6 pin (or less) header is an option too, but it's not the "standard"
2014-04-04T17:52:41 < Thorn> lpc111x and lpc11cxx are cortex-m0, not m0+ according to um10398
2014-04-04T17:53:46 < madisk> TIL m0 and m0+ are different
2014-04-04T17:53:47 < madisk> :/
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2014-04-04T18:57:37 < gnomad> yet again, more proof that slapping "arduino" on something is a license to print money... https://www.kickstarter.com/projects/1516846343/microview-chip-sized-arduino-with-built-in-oled-di
2014-04-04T18:58:23 < effractur> gnomad: you are forgetting, sparfun, OLED, opensource
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2014-04-04T18:58:49 < effractur> github
2014-04-04T18:58:51 < effractur> and fancy pics
2014-04-04T18:59:05 < talsit> url?
2014-04-04T18:59:15 < effractur> 17:57 < gnomad> yet again, more proof that slapping "arduino" on something is a license to print money... https://www.kickstarter.com/projects/1516846343/microview-chip-sized-arduino-with-built-in-oled-di
2014-04-04T19:01:46 < bvsh> hey, anyone from montreal?
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2014-04-04T20:32:20 < Laurenceb__> http://blogimg.ngfiles.com/837000/837021/188014367_youtube-audienc.jpg
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2014-04-04T20:42:00 < synic> w
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2014-04-04T21:04:23 < karlp> heh, retina winning, "Issue #215141: IDE on a Retina Macbook is very blurry."
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2014-04-04T21:17:13 < PaulFertser> btw, when one buys that usual avr arduino, does he get hw on-target debugging capabilities?
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2014-04-04T21:20:02 < karlp> PaulFertser: you have to have a dragon or jtagice device, and a device that supports it,
2014-04-04T21:21:21 < PaulFertser> karlp: ah, so to pay extra
2014-04-04T21:22:16 < karlp> It's fiddly too, you've got fuses and modes to swith to debug mode and out of ICSP mode and so on
2014-04-04T21:26:39 < PaulFertser> karlp: hm, iirc no, i've seen avr dragon in action, jtag is enabled by default on parts that support it.
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2014-04-04T21:27:24 < karlp> jtag maybe,
2014-04-04T21:27:29 < karlp> but not all avrs have jtag,
2014-04-04T21:27:37 < PaulFertser> At risk of being considered repetitive and dull, I'm asking the community here again: what is your opinion on "mbed" HAL compared to other MCU support libraries?
2014-04-04T21:27:46 < karlp> the ones on arduino's only have debugwire
2014-04-04T21:28:04 < karlp> (I've never used the mbed stuff, that's why I've never answered)
2014-04-04T21:28:16 < karlp> more importantly, I should not be at work any more.
2014-04-04T21:30:05 < PaulFertser> I guess since I've got that kl25z thingie handy anyway I'll give mbed sdk a try (there seem to be no other options for that chip, hehe).
2014-04-04T21:30:24 < PaulFertser> karlp: Have a nice trip home the :)
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2014-04-04T21:42:12 < Steffanx> Too give a boring and dull answer, PaulFertser: never tried mbed :(
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2014-04-04T21:49:43 < Steffanx> but it seems to be very very basic.
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2014-04-04T21:51:32 < Steffanx> not basic, but a bit too abstract maybe
2014-04-04T21:52:19 < PaulFertser> Steffanx: I see, thank you :)
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2014-04-04T21:53:26 < Steffanx> you have no "opinion"? :)
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2014-04-04T21:54:33 < Steffanx> i have to say, the hal i've used the most is the one of chibios. Which still allows you to use some platform specific functions/modes/settings
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2014-04-04T21:55:10 < PaulFertser> Steffanx: yes, I'm yet to try doing anything with that kl25z as I was too "busy" with locking/unlocking it (and other more important things).
2014-04-04T21:55:44 < Steffanx> i read a bit in #openocd sometimes.. that kl25z seems ot be a real pita
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2014-04-04T21:57:15 < PaulFertser> I'm not so sure anymore. It ended up reasonably easy to reflash frdm's fucking opensda with a cmsis-dap compliant implementation, and the only other gotcha is the way the flash is secured, and at least for my part the code on Gerrit works just fine (now that I know how to use it properly :) ).
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2014-04-04T22:09:19 < PaulFertser> Hm, reading mbed handbook leaves an impression the HAL API is really too simplified (arduino-like) to be reasonably useful :/
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2014-04-04T22:17:07 < jpa-> i wonder how much of the mbed HAL the smoothieboard is using
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2014-04-04T22:21:20 < Tectu> yes
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2014-04-04T22:21:30 < jpa-> no
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2014-04-04T22:31:57 < karlp> anyone played with this yet? "A new compiler option -mslow-flash-data to minimize the literal load to
2014-04-04T22:32:00 < karlp>   boost performance for some armv7-m targets."
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2014-04-04T22:36:55 < PaulFertser> "Assume loading data from flash is slower than fetching instruction" ?
2014-04-04T22:37:05 < PaulFertser> Is it the case for stm32 too?
2014-04-04T22:37:50 < PaulFertser> The flash accelerator prefetches only instructions, and so e.g. using string literals from flash would be slower?
2014-04-04T22:39:43 < PaulFertser> Or is it rather about those 32bit immediate operands that are currently loaded from flash and stored somewhere right after the end of the current function?
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2014-04-04T22:55:59 < FreezingCold> so after a night of sleep, I'm up to try setting eclipse up again
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2014-04-04T22:57:26 < Steffanx> what was the problem FreezingCold?
2014-04-04T22:57:43 < FreezingCold> Steffanx: honestly half a million things.
2014-04-04T22:58:07 < Steffanx> ok good luck then
2014-04-04T22:58:45 < FreezingCold> Steffanx: Do you use eclipse?
2014-04-04T22:59:10 < Steffanx> i tried it, but concluded i dont really like it :)
2014-04-04T22:59:14 < Steffanx> *used it for a while
2014-04-04T22:59:19 < englishman> i concluded the same :P
2014-04-04T22:59:23 < Steffanx> very short while that ws.
2014-04-04T22:59:45 < FreezingCold> What do you use?
2014-04-04T22:59:54 < Steffanx> together with my black magic probe as gdb-server/debugger
2014-04-04T22:59:59 < englishman> notepad and opcode reference manual
2014-04-04T23:00:13 < Steffanx> englishman does assembly?
2014-04-04T23:00:14 < FreezingCold> heh, I used to use vim
2014-04-04T23:00:18 < FreezingCold> but...
2014-04-04T23:00:24 < FreezingCold> I really wanted to try out a full IDE
2014-04-04T23:00:28 < englishman> keil.
2014-04-04T23:00:41 < Steffanx> i was going to say the same.
2014-04-04T23:00:43 < karlp> hrmm, gdbtui is gone. replaced by gdb -tui
2014-04-04T23:00:48 < Steffanx> but has keil some useful code tools yet?
2014-04-04T23:00:52 < karlp> that will take a bit of remembering
2014-04-04T23:00:53 < englishman> but i heard those eclipse skins like coide etc can be used
2014-04-04T23:00:56 < Steffanx> completion etc.?
2014-04-04T23:01:07 < englishman> Steffanx: not as good as visual studio but some stuff yeah
2014-04-04T23:01:44 < Steffanx> anyway, did you setup your toolchain ( to compile your code ) properly FreezingCold?
2014-04-04T23:01:49 < Steffanx> or makefile?
2014-04-04T23:02:25 < FreezingCold> Steffanx: My toolchain is fine, I've been sort of able to compile some things. My debug and makefiles are what are causing me tons of grief
2014-04-04T23:03:45 < FreezingCold> I can never seem to set a project up correctly
2014-04-04T23:04:19 < superbia> readdy for some pm pasting Steffanx  ?
2014-04-04T23:04:52 < FreezingCold> Steffanx: I'm nearly ready to give up, could you explain how you set it up?
2014-04-04T23:06:13 < Steffanx> im not sure what your issue is :P
2014-04-04T23:08:21 < karlp> highly unscientific size comparison: http://fpaste.org/91797/66420821/
2014-04-04T23:08:41 < karlp> (tl;dr, 2014q1 makes noticeable smaller code for some cases than before)
2014-04-04T23:09:05 < FreezingCold> Steffanx: fuck man, everything :(
2014-04-04T23:09:17 < Steffanx> i had some issues with q4 and semihosting .. does it still work there karlp ?
2014-04-04T23:09:41 < Steffanx> uhm
2014-04-04T23:09:42 < FreezingCold> like for some reason as of 4 minutes ago I can't compile anything
2014-04-04T23:09:42 < FreezingCold> http://i.imgur.com/ihgWjcY.png
2014-04-04T23:09:49 < Steffanx> or was it q1
2014-04-04T23:09:53 < karlp> haven't tried honestly :) only just installed it :)
2014-04-04T23:10:06 < englishman> hehe angry elf
2014-04-04T23:10:19 < Steffanx> no q4 i checked.
2014-04-04T23:10:31 < FreezingCold> englishman: the next project is going to be veryangry.elf
2014-04-04T23:10:47 < karlp> if you're fighting eclipse as well as trying to work out whether you even have things set up to run blinkies properly, you're going to have a bad day :)
2014-04-04T23:11:36 < Steffanx> hmm and outside eclipse it does work? I think i can't really help you here.
2014-04-04T23:11:39 < Steffanx> the makefile etc?
2014-04-04T23:11:50 < Steffanx> i didn't let eclipse manage the make file..
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2014-04-04T23:13:24 < FreezingCold> Steffanx: http://imgur.com/PyztLCd,cNF4cgV,7M2wCeo,iLFxcND,Sjr6lqG,bsOJUTx,swC2Oiy,7xCCnyv,VoQwTnF,DFvKiRu#9
2014-04-04T23:13:30 < FreezingCold> those are the steps I took to make the project
2014-04-04T23:14:12 < FreezingCold> it gives no fucking details on what went wrong
2014-04-04T23:14:16 < FreezingCold> just "build failed"
2014-04-04T23:14:17 < FreezingCold> fucking prick
2014-04-04T23:14:45 < karlp> so, you got a basic blink to flash from outside eclipse right?
2014-04-04T23:15:16 < FreezingCold> yeah I can flash it manually
2014-04-04T23:15:44 < FreezingCold> Here's the makefile: http://i.imgur.com/S2u46v1.png
2014-04-04T23:15:47 < FreezingCold> I don't understand wtf the error is
2014-04-04T23:16:04 < FreezingCold> it literally gives no fucking information?!
2014-04-04T23:16:24 < Steffanx> you're using some fancy plugin FreezingCold ?
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2014-04-04T23:17:57 < FreezingCold> Steffanx: Yes. I don't know enough about Eclipse or STM32F4 to be able to guess through it myself and no guides online explained how to do it manually. http://i.imgur.com/U4fBJBx.png
2014-04-04T23:18:09 < Tectu> wait, did you just paste your makefile through a screenshot?
2014-04-04T23:18:13 < FreezingCold> karlp: bad *month
2014-04-04T23:18:26 < FreezingCold> Tectu: uh, wasn't aware you wanted a text copy of it
2014-04-04T23:18:48 < karlp> well, I'd stop using eclipse then until youre more comfortable with the rest of it...
2014-04-04T23:18:55 < FreezingCold> http://sprunge.us/RUZL
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2014-04-04T23:19:00 < FreezingCold> karlp: :(
2014-04-04T23:19:09 < karlp> or use it for editing only, leave flashing/debugging outside
2014-04-04T23:19:42 < FreezingCold> I can't even seem to build a project anymore
2014-04-04T23:20:42 < FreezingCold>  oh wait
2014-04-04T23:20:48 < FreezingCold> FINALLY I got an error message
2014-04-04T23:20:52 < FreezingCold> fucking eclipse
2014-04-04T23:21:17 < FreezingCold> http://sprunge.us/PAML
2014-04-04T23:21:50 < Steffanx> looks useful and should be easy to fix..
2014-04-04T23:22:19 < FreezingCold> How? Google literally points me to myself
2014-04-04T23:22:45 < FreezingCold> http://echelog.com/logs/browse/eclipse/1389999600 <- me asking about the same fucking problem back in January
2014-04-04T23:23:48 < karlp> and typing "make" in the same directory outside eclipse does what?
2014-04-04T23:23:58 < FreezingCold> http://sprunge.us/PAML
2014-04-04T23:24:05 < FreezingCold> that was from outside eclipse
2014-04-04T23:24:08 < Tectu> who of you works on windows. I need some information about MinGW/CyGwin
2014-04-04T23:24:21 < SlaveToTheSauce_> i am reasonably familiar with msys
2014-04-04T23:24:33 < FreezingCold> karlp: http://i.imgur.com/x3mlLac.png
2014-04-04T23:24:46 < Steffanx> it's not as easy ad adding the right libs to the library path FreezingCold ?
2014-04-04T23:24:53 < Steffanx> s/ad/as/
2014-04-04T23:25:01 < Tectu> SlaveToTheSauce_, assuming I want to compile a Makefile project (STM32 crap) that works under linux. what do I need? I have some MinGW prompt here but there's no make installed.
2014-04-04T23:25:12 < Tectu> SlaveToTheSauce_, does mingw not come with make? I thought it brings all the fancy unix tools
2014-04-04T23:25:32 < SlaveToTheSauce_> it should, your PATH might be fucked
2014-04-04T23:25:55 < SlaveToTheSauce_> and if it really isn't there, use mingw-get to install all the utilities you need
2014-04-04T23:26:01 < FreezingCold> Steffanx: sorry, which paths? I don't see how that would change -lgcc or anything
2014-04-04T23:26:06 < FreezingCold> but please, I'll try again
2014-04-04T23:26:07 < FreezingCold> *anything
2014-04-04T23:26:22 < Tectu> SlaveToTheSauce_, how do I check the path thing? I am a windows newbie
2014-04-04T23:26:35 < SlaveToTheSauce_> same way you check it in linux, echo $PATH in that prompt
2014-04-04T23:26:54 < SlaveToTheSauce_> and then search the fake fs for a make
2014-04-04T23:27:08 < FreezingCold> Steffanx: do you have a really basic LED blinking project that I can just steal from you?
2014-04-04T23:27:20 < FreezingCold> because this is really discouraging
2014-04-04T23:27:45 < FreezingCold> I've had this device for 4 months and I still don't have a proper dev environment
2014-04-04T23:28:31 < Tectu> SlaveToTheSauce_, it really just prompts '$PATH' then :d
2014-04-04T23:28:31 < Steffanx> no project for eclipse no
2014-04-04T23:28:43 < Steffanx> echo PATH ?
2014-04-04T23:28:44 < karlp> -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group ?
2014-04-04T23:28:45 < FreezingCold> Steffanx: for bash. for fucking anything at this point :(
2014-04-04T23:28:53 < FreezingCold> karlp: is that at me?
2014-04-04T23:28:55 < SlaveToTheSauce_> wat.
2014-04-04T23:28:59 < karlp> where'd your makefiles come from?
2014-04-04T23:29:11 < FreezingCold> karlp: eclipse's template
2014-04-04T23:29:49 < karlp> match made in heaven I'm sure...
2014-04-04T23:30:29 < FreezingCold> so, tell me whatever you think I should do
2014-04-04T23:30:30 < SlaveToTheSauce_> Tectu: is this actually cygwin/msys bash prompt?
2014-04-04T23:30:35 < Steffanx> FreezingCold, libopencm3 has an easy pretty buildable led blink example :P
2014-04-04T23:30:46 < FreezingCold> I've given up, all I want is to be able to compile, program and debug
2014-04-04T23:30:47 < FreezingCold> that's it
2014-04-04T23:30:49 < Steffanx> no eclipse needed AT ALL
2014-04-04T23:30:53 < Tectu> SlaveToTheSauce_, well it says 'MinGW Command Prompt'
2014-04-04T23:30:54 < Steffanx> :P
2014-04-04T23:30:59 < superbia> steffanie :3 am i ignored ?
2014-04-04T23:31:03 < Tectu> SlaveToTheSauce_, however, it's the MinGW that came with an IDE, never manually installed it
2014-04-04T23:31:06 < karlp> that linker args are the bits of libopencm3's linker args that werne't in his eclipse generated cruft...
2014-04-04T23:31:21 < SlaveToTheSauce_> Tectu: yeah sounds like the env is kind of fucked. codeblocks?
2014-04-04T23:31:59 < Tectu> SlaveToTheSauce_, nah, Dev-C++ or QtCreator. I'm not sure which brought it. I think the former
2014-04-04T23:32:05 < SlaveToTheSauce_> oh boy
2014-04-04T23:32:08 < FreezingCold> Steffanx: Okay, what should I follow?
2014-04-04T23:32:11 < SlaveToTheSauce_> yeah install mingw from another source
2014-04-04T23:32:19 < Tectu> SlaveToTheSauce_, will it fuck the current IDE setup?
2014-04-04T23:32:23 < SlaveToTheSauce_> shouldn't
2014-04-04T23:32:31 < SlaveToTheSauce_> no guarantees though
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2014-04-04T23:32:47 < Tectu> we'll see - thanks
2014-04-04T23:33:15 < FreezingCold> [20140404:163238~]$ git clone https://github.com/ericherman/stm32f4-discovery-example.git
2014-04-04T23:33:30 < SlaveToTheSauce_> Tectu: maybe try just following http://www.angstromsandalgorithms.com/free-eclipse-arm-gcc-openocd-toolchain-for-windows-part-2-arm-gcc/
2014-04-04T23:33:42 < FreezingCold> FUCK
2014-04-04T23:33:47 < Steffanx> what FreezingCold ?
2014-04-04T23:33:52 < FreezingCold> [20140404:163307~/stm32f4-discovery-example/rotate-chars]$ make all
2014-04-04T23:33:52 < FreezingCold> make: *** No rule to make target 'rotate-chars-stm32f4.images', needed by 'images'.  Stop.
2014-04-04T23:33:57 < SlaveToTheSauce_> i have had a lot of problems with msys
2014-04-04T23:33:58 < Steffanx> HEH
2014-04-04T23:34:06 < trepidaciousMBR> FreezingCold: You could try ChibiStudio and ChibiOS, probably easier to get working, and when you're done, you're using a nice OS as well ;)
2014-04-04T23:34:10 < englishman> heh i had that error
2014-04-04T23:34:18 < englishman> i think i fixed it by deleting eclipse
2014-04-04T23:34:23 < trepidaciousMBR> FreezingCold: You've got a 407 disco board?
2014-04-04T23:34:24 < FreezingCold> englishman: me?
2014-04-04T23:34:31 < englishman> ya
2014-04-04T23:34:33 < FreezingCold> trepidaciousMBR: F4Discovery yeah
2014-04-04T23:34:37 < Steffanx> troll englishman
2014-04-04T23:34:42 < Laurenceb> lolz
2014-04-04T23:34:43 < englishman> sry :P
2014-04-04T23:34:55 < trepidaciousMBR> FreezingCold: The ChibiOS 407 demo should be easy enough to build and flash, what OS?
2014-04-04T23:35:13 < FreezingCold> ugh I really don't want to build on top of a massive library/OS
2014-04-04T23:35:15 < englishman> for serious though i had to delete a project and remake it a couple times, i think one time was becayse of that error
2014-04-04T23:35:23 < trepidaciousMBR> FreezingCold: Then use a nice compact one?
2014-04-04T23:35:25 < englishman> maybe not your solution but yes, eclipse is a pain in the ass
2014-04-04T23:35:37 < trepidaciousMBR> FreezingCold: ChibiOS is tiny in relation to the size of the flash on a 407
2014-04-04T23:36:02 < FreezingCold> well it's not going to fucking help if I can't even compile a project
2014-04-04T23:36:11 < FreezingCold> englishman: I've given up on eclipse for the moment
2014-04-04T23:36:19 < Steffanx> FreezingCold https://github.com/libopencm3/libopencm3-examples .. a shit load of examples that sohuld build out of the box
2014-04-04T23:36:21 < FreezingCold> I'm just trying to fuck get this cocksucker to compile
2014-04-04T23:36:24 < Steffanx> (with a proper tool chain )
2014-04-04T23:36:27 < FreezingCold> Steffanx: I fucking did follow that
2014-04-04T23:36:30 < trepidaciousMBR> FreezingCold: If you're on Windows, ChibiStudio is Eclipse plus prebuilt toolchain and openocd to flash it
2014-04-04T23:36:58 < FreezingCold> Steffanx: http://sprunge.us/gdjF
2014-04-04T23:37:06 < trepidaciousMBR> FreezingCold: You more or less just extract the zip, run it, and it will at least build.
2014-04-04T23:37:14 < Steffanx> that's not the same example afaik
2014-04-04T23:37:27 < FreezingCold> https://github.com/ericherman/stm32f4-discovery-example
2014-04-04T23:38:01 < trepidaciousMBR> FreezingCold: If you were on Ubuntu I would recommend getting the toolchain from a PPA, that way it's more or less a two line install, and it will definitely build from command line, which is sometimes easier anyway
2014-04-04T23:38:36 < karlp> trepidaciousMBR: only if his project makefile is sane....
2014-04-04T23:38:39 < trepidaciousMBR> FreezingCold: It's here if you want to try that approach: https://launchpad.net/~terry.guo/+archive/gcc-arm-embedded
2014-04-04T23:38:53 < FreezingCold> trepidaciousMBR: http://sprunge.us/jCRa
2014-04-04T23:38:54 < trepidaciousMBR> karlp: Well if it's a demo it should be, the ChibiOS ones will build straight off I think
2014-04-04T23:38:57 < FreezingCold> look, I fucking have a toolchain
2014-04-04T23:39:05 < FreezingCold> karlp: exactly
2014-04-04T23:39:18 < Steffanx> * /nick FuckingCold
2014-04-04T23:40:01 < FreezingCold> [20140404:163922~/libopencm3-examples/examples/stm32/f4/stm32f4-discovery/fancyblink]$ make
2014-04-04T23:40:01 < FreezingCold> ../../../../Makefile.rules:65: Cannot find libopencm3 library in the standard search paths.
2014-04-04T23:40:01 < FreezingCold> ../../../../Makefile.rules:66: *** Please specify it through OPENCM3_DIR variable!.  Stop.
2014-04-04T23:40:05 < trepidaciousMBR> FreezingCold: Ah ok, maybe a bad makefile, so you can't build a demo project either?
2014-04-04T23:40:21 < Steffanx> that eample does not come with libopencm3 by default
2014-04-04T23:40:31 < Steffanx> read the readme? ;)
2014-04-04T23:41:06 < karlp> you did type make in the root directory first right?
2014-04-04T23:41:41 < Steffanx> oh sorry, you are not building that first example anymore
2014-04-04T23:41:50 < SlaveToTheSauce_> Tectu: actually come to think of it the most successful msys install i've gotten was from the Git For Windows project
2014-04-04T23:41:54 < FreezingCold> [20140404:164049~/libopencm3-examples/examples/stm32/f4/stm32f4-discovery/fancyblink]$ cat README | sprunge
2014-04-04T23:41:54 < FreezingCold> http://sprunge.us/BFDg
2014-04-04T23:42:12 < Steffanx> my fault FreezingCold .. i thought you were still working with that example you linked
2014-04-04T23:42:19 < karlp> are you for real? you're repasting the readme?
2014-04-04T23:42:29 < karlp> and seriously, type make in the root directory of the examples repository
2014-04-04T23:42:34 < trepidaciousMBR> FreezingCold: So have you built anything successfully?
2014-04-04T23:42:34 < karlp> it needs to build the damn lirbary first
2014-04-04T23:42:57 < FreezingCold> FUCK
2014-04-04T23:42:57 < Tectu> SlaveToTheSauce_, thanks, I'll keep that in mind
2014-04-04T23:42:59 < FreezingCold>   BUILD   examples/stm32/f0/stm32f0-discovery/adc/
2014-04-04T23:43:06 < FreezingCold> fuck let me spruge it
2014-04-04T23:43:14 < trepidaciousMBR> FreezingCold: Wrong board?
2014-04-04T23:43:21 < Steffanx> less fuck would be nice FreezingCold  ;)
2014-04-04T23:43:23 < FreezingCold> http://sprunge.us/DUPW
2014-04-04T23:43:35 < FreezingCold> Steffanx: it's the four month mark of me trying to get this to work, I'm pretty angry
2014-04-04T23:43:56 < karlp> so, let's do this again, what tool chain do you ahve in your path?
2014-04-04T23:44:03 < karlp> cos it is not one that works well :)
2014-04-04T23:44:06 < FreezingCold> karlp: http://sprunge.us/jCRa
2014-04-04T23:44:13 < trepidaciousMBR> FreezingCold: What exactly are you trying to get to work? A specific project, or you just want to build something for F4?
2014-04-04T23:44:21 < FreezingCold> ANYTHING
2014-04-04T23:44:23 < karlp> some magic arch shit hey? good luck with that.
2014-04-04T23:44:43 < trepidaciousMBR> FreezingCold: If all you want to do is build, and you are Windows, you more or less can't fail with ChibiStudio
2014-04-04T23:44:58 < FreezingCold> screw Windows
2014-04-04T23:44:58 < karlp> trepidaciousMBR: he's pretty clearly not on windows :)
2014-04-04T23:45:07 < FreezingCold> I'm not going to boot up in a VM for a god damn microchip
2014-04-04T23:45:09 < trepidaciousMBR> karlp: Ah sorry I thought he said he was ;)
2014-04-04T23:45:10 < SlaveToTheSauce_> karlp: i use the same toolchain and it works fine
2014-04-04T23:45:22 < FreezingCold> SlaveToTheSauce_: give me anything
2014-04-04T23:45:31 < FreezingCold> fine
2014-04-04T23:45:40 < FreezingCold> I'm going back to plain gcc without linaro
2014-04-04T23:45:50 < karlp> so, what's the eeasiest way of me getting a comparable arch VM to try that myself?
2014-04-04T23:46:02 < trepidaciousMBR> IMHO linaro is a pain in the neck
2014-04-04T23:46:10 < SlaveToTheSauce_> arch and easiest do not go in the same sentence unfortunately
2014-04-04T23:46:13 < FreezingCold> yay new error!
2014-04-04T23:46:24 < karlp> FreezingCold: ^^̂  so it's your own fault for using arch :)
2014-04-04T23:46:28 < FreezingCold> [20140404:164537~/libopencm3-examples]$ make | sprunge
2014-04-04T23:46:28 < FreezingCold> make[2]: *** No rule to make target '/usr/lib/gcc/arm-none-eabi/4.8.3/include/stdint.h', needed by 'flash.o'.  Stop.
2014-04-04T23:46:28 < FreezingCold> make[1]: *** [lib/stm32/f0] Error 2
2014-04-04T23:46:28 < FreezingCold> make: *** [lib] Error 2
2014-04-04T23:46:28 < FreezingCold> http://sprunge.us/KcMQ
2014-04-04T23:46:32 < FreezingCold> it has nothing to do with arch
2014-04-04T23:46:53 < karlp> except arch has provided a toolchain without stdint.h so, they can go fuck themselves and live with MS on c89
2014-04-04T23:47:25 < karlp> seriously, there's no iso for arch I can just spin up and try this out on arch myself?
2014-04-04T23:47:43 < FreezingCold> https://wiki.archlinux.org/index.php/Installation_Guide
2014-04-04T23:47:49 < FreezingCold> you don't just "spin it up"
2014-04-04T23:47:50 < trepidaciousMBR> FreezingCold: If you've been trying for 4 months, maybe you should try just doing exactly what some tutorial does in another distro, or I can tell you exactly what you need for Ubuntu?
2014-04-04T23:48:09 < FreezingCold> wtf would be so different in another distro?
2014-04-04T23:48:22 < FreezingCold> and I must have follow half a dozen tutorials by now
2014-04-04T23:48:24 < trepidaciousMBR> FreezingCold: You would have a known-good package for the toolchain
2014-04-04T23:48:25 < karlp> well, we're all happily working :)
2014-04-04T23:48:27 < gxti> also if you want people to help you, being less emotional would be a good start
2014-04-04T23:48:43 < karlp> "it's defintiely not arch, arch is magic" :)
2014-04-04T23:48:44 < trepidaciousMBR> FreezingCold: This one here absolutely definitely works: https://launchpad.net/~terry.guo/+archive/gcc-arm-embedded
2014-04-04T23:49:07 < karlp> ^ ^ ^ ^
2014-04-04T23:49:07 < FreezingCold> okay, so I can build some things now
2014-04-04T23:49:28 < karlp> goodo, 9meg/sec downloads for arch iso
2014-04-04T23:49:37 < karlp> that's at least nicer than fed/ubu :)
2014-04-04T23:49:43 < SlaveToTheSauce_> agh all the makefiles on my public repo are made to work with SAT
2014-04-04T23:49:44 < trepidaciousMBR> FreezingCold: Actually you can probably install it on Arch somehow: https://launchpad.net/gcc-arm-embedded
2014-04-04T23:49:47 < FreezingCold> okay so now I can compile things
2014-04-04T23:50:06 < FreezingCold> linaro was giving me that error
2014-04-04T23:50:08 < karlp> and what did you change?
2014-04-04T23:50:17 < trepidaciousMBR> FreezingCold: Maybe here: https://launchpad.net/gcc-arm-embedded/4.8/4.8-2014-q1-update/+download/gcc-arm-none-eabi-4_8-2014q1-20140314-linux.tar.bz2
2014-04-04T23:50:25 < karlp> are you mixing up multiple different instaled toolchains a tthe same time?
2014-04-04T23:50:36 < FreezingCold> karlp: Arch doesn't let you do that
2014-04-04T23:50:41 < FreezingCold> looking for inter-conflicts...
2014-04-04T23:50:41 < FreezingCold> :: arm-none-eabi-gcc and arm-none-eabi-gcc48-linaro are in conflict. Remove arm-none-eabi-gcc48-linaro? [y/N] y
2014-04-04T23:50:41 < FreezingCold> :: arm-none-eabi-gdb and arm-none-eabi-gdb-linaro are in conflict. Remove arm-none-eabi-gdb-linaro? [y/N] y
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2014-04-04T23:51:06 < karlp> so, when I spin this up, what "pacakge" do you want me to try that "doesn't work" ?
2014-04-04T23:51:31 < SlaveToTheSauce_> well he has compilation working so now it's time to make oocd happen
2014-04-04T23:51:49 < FreezingCold> yeah ocd works
2014-04-04T23:51:58 < SlaveToTheSauce_> ok sooo we're good?
2014-04-04T23:52:01 < FreezingCold> ish?
2014-04-04T23:52:08 < SlaveToTheSauce_> do we have the blinkies?
2014-04-04T23:52:15 < FreezingCold> [20140404:165142~/libopencm3-examples/examples/stm32/f4/stm32f4-discovery/fancyblink]$ openocd -f board/stm32f4discovery.cfg -c "program fancyblink.elf reset"
2014-04-04T23:52:17 < FreezingCold> yea
2014-04-04T23:52:41 < karlp> make flash should work too
2014-04-04T23:52:43 < SlaveToTheSauce_> if you run it without -c it makes a gdb server also
2014-04-04T23:53:00 < SlaveToTheSauce_> (or does it do that anyway i can't remember)
2014-04-04T23:53:13 < karlp> what the, graphical boot menu, then just drops me to a root shell? what sort of installer live cd is this?
2014-04-04T23:53:20 < SlaveToTheSauce_> the arch kind
2014-04-04T23:53:22 < FreezingCold> karlp: yeah make flash does work
2014-04-04T23:53:37 < FreezingCold> SlaveToTheSauce_: but then how do I program it...?
2014-04-04T23:53:39 < karlp> people think this is _fun_ ?!
2014-04-04T23:53:47 < FreezingCold> karlp: it's easier after a few months
2014-04-04T23:53:49 < SlaveToTheSauce_> karlp: it's flexible
2014-04-04T23:54:07 < karlp> FreezingCold: yeah, because spending months on something that hsould take a few minutes is... oh, hang on, that's what you've been doing :)
2014-04-04T23:54:07 < SlaveToTheSauce_> FreezingCold: it has a telnet interface actually
2014-04-04T23:54:09 < FreezingCold> karlp: yeah arch basically said fuck user interfaces
2014-04-04T23:54:21 < FreezingCold> karlp: actually none of this has been because of arch...
2014-04-04T23:54:22 < karlp> well they had a very polished live cd boot menu
2014-04-04T23:54:33 < FreezingCold> Notice how it was because of linaro?
2014-04-04T23:54:38 < FreezingCold> and eclipse
2014-04-04T23:54:44 < FreezingCold> I still can't get that fucker working
2014-04-04T23:54:47 < karlp> which was... provided by your package manager?
2014-04-04T23:54:47 < SlaveToTheSauce_> let's leave the distro wars for now, we may as well be raging about windows vs linux
2014-04-04T23:54:47 < FreezingCold> it builds now
2014-04-04T23:54:49 < trepidaciousMBR> I'd blame linaro before eclipse
2014-04-04T23:55:21 < FreezingCold> trepidaciousMBR: it compiles, but debugging doesn't work properly no matter how many different settings I try
2014-04-04T23:55:24 < FreezingCold> yeah why doesn't linaro work?
2014-04-04T23:55:37 < trepidaciousMBR> Eclipse should be happy if you tell it it's a project with existing makefile, but getting other stuff like openocd and debugging working with eclipse is more or less impossible ;)
2014-04-04T23:56:00 < SlaveToTheSauce_> https://github.com/ranzbak/chibios-nrf24l01/blob/master/stm32_flash.pl FreezingCold
2014-04-04T23:56:03 < trepidaciousMBR> FreezingCold: TBH I've not spent that much time with Linaro, but everything about it confuses me - the website, the toolchains, everything
2014-04-04T23:56:04 < SlaveToTheSauce_> run oocd without -c and hten use that
2014-04-04T23:56:13 < karlp> well, there's _no way_ I'm going through this arch setup crap to even _try_ and work out what might or might not work in arch for future users though,
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2014-04-04T23:56:41 < gxti> some people just like to suffer
2014-04-04T23:56:59 < zyp> one of my friends use arch, and he haven't had any problems building my stuff, as far as I can remember
2014-04-04T23:57:03 < karlp> apparently
2014-04-04T23:57:09 < SlaveToTheSauce_> FreezingCold:  arm-none-eabi-gdb -ex "target remote localhost:3333" -ex "set remote hardware-watchpoint-limit 4" thing.elf
2014-04-04T23:57:44 < trepidaciousMBR> FreezingCold: I think it's because it's an "industry consortium blah blah blah", any project where the first page tells you who they work with and their mission statement is going to be shit. Tell me about the software, and I'll decide for myself if you are resynergising the future of open collaboration on interconnected next-gen embedded systems for the global information convergence.
2014-04-04T23:58:30 < FreezingCold> SlaveToTheSauce_: localhost:3333: Connection timed out.
2014-04-04T23:58:40 < SlaveToTheSauce_> with oocd running?
2014-04-04T23:58:53 < FreezingCold> undefined debug reason 7 - target needs reset
2014-04-04T23:59:11 < karlp> what version of oocd by the way?
2014-04-04T23:59:17 < FreezingCold> Open On-Chip Debugger 0.8.0-rc1-dev-00001-gd7cbdee (2014-04-04-03:54)
2014-04-04T23:59:24 < SlaveToTheSauce_> i use the openocd-git aur package
2014-04-04T23:59:28 < FreezingCold> SlaveToTheSauce_: same
2014-04-04T23:59:29 < karlp> that should be modern enough :)
2014-04-04T23:59:44 < SlaveToTheSauce_> flash with the perl script and then try gdb
--- Day changed Sat Apr 05 2014
2014-04-05T00:00:09 < SlaveToTheSauce_> (or telnet with the same commands)
2014-04-05T00:00:22 < SlaveToTheSauce_> reset after flash is essential
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2014-04-05T00:00:59 < FreezingCold> Info : rejected 'gdb' connection, no more connections allowed
2014-04-05T00:01:21 < FreezingCold> Info : dropped 'gdb' connection
2014-04-05T00:01:21 < FreezingCold> Info : accepting 'gdb' connection from 3333
2014-04-05T00:01:21 < FreezingCold> Error: attempted 'gdb' connection rejected
2014-04-05T00:03:56 < FreezingCold> SlaveToTheSauce_: How can I flash it when I'm already connected through gdb?
2014-04-05T00:04:02 < karlp> "load"
2014-04-05T00:04:18 < FreezingCold> (gdb) load
2014-04-05T00:04:18 < FreezingCold> Loading section .text, size 0x57c lma 0x8000000
2014-04-05T00:04:18 < FreezingCold> Loading section .data, size 0x8 lma 0x800057c
2014-04-05T00:04:18 < FreezingCold> Start address 0x8000484, load size 1412
2014-04-05T00:04:18 < FreezingCold> Transfer rate: 2 KB/sec, 706 bytes/write.
2014-04-05T00:04:19 < FreezingCold> (gdb) reset
2014-04-05T00:04:21 < FreezingCold> Undefined command: "reset".  Try "help".
2014-04-05T00:04:24 < karlp> "run"
2014-04-05T00:04:29 < karlp> don't make up commands
2014-04-05T00:04:30 < FreezingCold> The "remote" target does not support "run".  Try "help target" or "continue".
2014-04-05T00:04:32 < karlp> read the gdb menu
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2014-04-05T00:04:37 < karlp> target extended-remote
2014-04-05T00:04:38 < gxti> if only there were some kind of tutorial on how to use this stuff
2014-04-05T00:04:40 < karlp> not target remote
2014-04-05T00:04:45 < FreezingCold> gxti: Fuck off
2014-04-05T00:04:59 < karlp> deal with FreezingCold, you're bing a whiny bitch
2014-04-05T00:05:00 < gxti> just lamenting the counterfactual
2014-04-05T00:05:07 < gxti> not any kind of commentary.
2014-04-05T00:05:10 < FreezingCold> (gdb) target extended-remote
2014-04-05T00:05:10 < FreezingCold> To open a remote debug connection, you need to specify what
2014-04-05T00:05:10 < FreezingCold> serial device is attached to the remote system
2014-04-05T00:05:10 < FreezingCold> (e.g. /dev/ttyS0, /dev/ttya, COM1, etc.).
2014-04-05T00:05:30 < SlaveToTheSauce_> you arent going to get anywhere in this state
2014-04-05T00:06:19 < FreezingCold> continue works
2014-04-05T00:06:51 < karlp> yeah, mostly.
2014-04-05T00:06:53 < karlp> until it doesn't
2014-04-05T00:06:54 < Fleck> hey guys, noob question follows: https://github.com/Torrentula/STM32F4-examples/blob/master/USART/main.c << uploaded this, but it's not working, logic analyzer connected to pins PB6 and PB7 - silence! :/
2014-04-05T00:07:14 < FreezingCold> How can actually see what's going on in my program?
2014-04-05T00:07:34 < SlaveToTheSauce_> read a gdb tutorial
2014-04-05T00:08:14 < karlp> no, we should totally tell him how to use ITM :)
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2014-04-05T00:43:45 < Fleck> OK, now I receive something, but messed up chars
2014-04-05T00:45:51 < SlaveToTheSauce_> baud rate is wrong in all likelyhood
2014-04-05T00:46:06 < Fleck> nope
2014-04-05T00:46:34 < SlaveToTheSauce_> well there's more to it than just telling the library 9600 and expecting it to work
2014-04-05T00:46:47 < SlaveToTheSauce_> it makes assumptions about the clocks etc
2014-04-05T00:47:17 < SlaveToTheSauce_> for now i'd say use the LA to measure the actual baud rate and adjust accordingly
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2014-04-05T00:50:29 < Fleck> how do I measure with LA? :D
2014-04-05T00:50:42 < Fleck> LA also says FRAMING ERROR :D
2014-04-05T00:51:27 < SlaveToTheSauce_> probably because you told it to expect 9600bps too?
2014-04-05T00:51:42 < SlaveToTheSauce_> you can use it to measure the time between two bits right
2014-04-05T00:52:01 < SlaveToTheSauce_> send 0xAA repeatedly (10101010)
2014-04-05T00:54:01 < SlaveToTheSauce_> you'll want to increase the sample rate to make it precise of course
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2014-04-05T00:57:07 < Fleck> SlaveToTheSauce_: http://im9.eu/picture/w32473
2014-04-05T00:57:37 < SlaveToTheSauce_> is there no time scale?
2014-04-05T00:57:52 < SlaveToTheSauce_> anyway the dots are probably the rate it's expecting so you can clearly see it's off
2014-04-05T00:58:09 < Fleck> http://im9.eu/picture/s32473
2014-04-05T00:58:39 < Fleck> sorr, my bad, lol. stupid first screenshot :D
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2014-04-05T01:41:43 < Fleck> SlaveToTheSauce_: nope, can't make it align :/
2014-04-05T01:47:51 < Fleck> and why I can't expect to work? No note about that in that example :/
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2014-04-05T01:57:29 < Fleck> ok, datasheet helps, a bit... http://im9.eu/picture/c32473
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2014-04-05T02:19:47 < Fleck> Datasheet says: "Only USART1 and USART6 are clocked with PCLK2.", PCLK2 is 84MHz, so 9600 baudrate should work ok! What am I missing?
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2014-04-05T02:22:17 < Fleck> 2400 baud is ok, 4800 is a mess
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2014-04-05T03:00:07 < timemob> sup pros
2014-04-05T03:00:19 < timemob> I'm in fatmerica
2014-04-05T03:00:34 < englishman> How are the hamburgers and poverty
2014-04-05T03:01:08 < timemob> as expected
2014-04-05T03:01:20 < timemob> I arrived 2 hours after leaving jp
2014-04-05T03:01:38 < timemob> 1330 Fri arrived 1530 Fri
2014-04-05T03:02:26 < englishman> I hear the return trip is pretty long
2014-04-05T03:03:18 < timemob> heh
2014-04-05T03:03:58 < timemob> for some fucking reason I'm going Anchorage Seattle sanfagcisco Tokyo
2014-04-05T03:03:59 < timemob> ...
2014-04-05T03:04:03 < timemob> on the way back
2014-04-05T03:04:11 < timemob> cheap tickets are cheap
2014-04-05T03:05:27 < SlaveToTheSauce_> that's just a little roundabout
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2014-04-05T05:44:35 < qyx_> i cannot find any information if the two SAI audio blocks on F42x/F43x can be configured as syncrhonized receivers
2014-04-05T05:44:38 < qyx_> for 4 channel input
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2014-04-05T06:50:29 < PaulFertser> SlaveToTheSauce_: if you are using remote and not extended-remote, you're missing important features. And if you have to set watchpoint limit manually, it means either it does nothing or there's a bad bug you should report please.
2014-04-05T06:50:48 < SlaveToTheSauce_> the latter is definitely cargo cult copypasta
2014-04-05T06:50:51 < SlaveToTheSauce_> the former, good to know
2014-04-05T06:54:39 < SlaveToTheSauce_> you really do (eventually) correct me without fail, it rules
2014-04-05T06:55:02 < SlaveToTheSauce_> i should start utilizing this information properly
2014-04-05T06:55:09 < SlaveToTheSauce_> hey everyone, P=NP, prove me wrong!
2014-04-05T06:55:13 < PaulFertser> :)))
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2014-04-05T07:03:36 < gxti> N=1. QFT.
2014-04-05T07:06:10  * SlaveToTheSauce_ runs off to collect a fields metal
2014-04-05T07:17:24 < dongs> sup dongs
2014-04-05T07:17:33 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##stm32
2014-04-05T07:18:31 < SlaveToTheSauce_> where in the us are you
2014-04-05T07:18:40 < dongs> Nome
2014-04-05T07:19:45 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 252 seconds]
2014-04-05T07:20:15 < SlaveToTheSauce_> giving up being an irc-ee to prospect?
2014-04-05T07:27:12 < dongs> yes
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2014-04-05T08:25:57 < dongs> irc is much less lag
2014-04-05T08:38:02 < emeb_mac> evening trolls
2014-04-05T08:38:29 < dongs> it is actaully evening
2014-04-05T08:40:24 < SlaveToTheSauce_> closer to morning here
2014-04-05T08:40:39 < SlaveToTheSauce_> and fuck me i'm still at work
2014-04-05T08:41:00 < SlaveToTheSauce_> i am in "stay until shit isn't broken" mode
2014-04-05T08:41:18 < dongs> where the fuck are you
2014-04-05T08:41:22 < dongs> did you get deported to sovie russia/
2014-04-05T08:41:34 < SlaveToTheSauce_> east coast
2014-04-05T08:41:58 < SlaveToTheSauce_> PEI, not that that means anything to you
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2014-04-05T08:47:56 < munki_> https://developer.nvidia.com/jetson-tk1
2014-04-05T08:48:02 < dongs> already ordered
2014-04-05T08:48:03 < dongs> youre slwo
2014-04-05T08:52:20 < madist> your irc is terribly laggy if its already evening for you
2014-04-05T08:54:08 < englishman> ohh slavetothesauce=tarantulasauce
2014-04-05T08:54:17 < englishman> im slow
2014-04-05T08:57:11 < dongs> duh
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2014-04-05T09:03:49 < SlaveToTheSauce_> if you ever see an Ultrasauce that is probably me also, but there is another guy that uses that name in some places
2014-04-05T09:07:15 < dongs> fucking msn is bitching about suspicious sign in
2014-04-05T09:08:13 < emeb_mac> just hold down the space bar
2014-04-05T09:11:49 < dongs> or play goat sim
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2014-04-05T09:27:19 < FreezingCold> So good news, I got my debugging working in eclipse
2014-04-05T09:27:26 < FreezingCold> http://www.angstromsandalgorithms.com/free-eclipse-arm-gcc-openocd-toolchain-for-windows-part-4-gdb-openocd-debugger/
2014-04-05T09:27:29 < FreezingCold> that worked
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2014-04-05T09:34:44 < dongs> this garbaged fucking "usb3" enclosure... such aids
2014-04-05T09:35:25 < emeb_mac> usb3 enclosure? wtf is that?
2014-04-05T09:36:09 < dongs> like sata>usb3
2014-04-05T09:36:21 < dongs> used chinese trash one and it works better
2014-04-05T09:37:23 < emeb_mac> aha
2014-04-05T09:39:20 < FreezingCold> dongs: I got a bunch of nice USB 3.0 <-> SATA connectors
2014-04-05T09:39:25 < FreezingCold> needs external power though
2014-04-05T09:39:34 < dongs> i got some cheap trash off ebay for $3
2014-04-05T09:39:41 < dongs> and it works better than this expensie enclosure
2014-04-05T09:39:44 < FreezingCold> I also have four extra dual bay 3.0 powered enclosures that I'm not using
2014-04-05T09:39:45 < dongs> enclosure keeps disconnecting at random
2014-04-05T09:39:48 < FreezingCold> those are nice
2014-04-05T09:39:57 < FreezingCold> wait no, I'm only not using three of them
2014-04-05T09:39:59 < FreezingCold> I'm using one
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2014-04-05T09:57:31 < Fleck> help, using USART1 @ 9600: Datasheet says: "Only USART1 and USART6 are clocked with PCLK2.", PCLK2 is 84MHz, so 9600 baudrate should work ok!? At least datasheet says 0% error at 84MHz and 9600 baudrate! What am I missing?
2014-04-05T09:58:00 < Fleck> 2400 is ok, 9600 is a mess!
2014-04-05T10:07:45 < PaulFertser> Fleck: how do you configure it? Using the st shit-library?
2014-04-05T10:07:56 < Fleck> yep
2014-04-05T10:08:03 < Fleck> https://github.com/Torrentula/STM32F4-examples/blob/master/USART/main.c
2014-04-05T10:08:55 < Fleck> http://im9.eu/picture/c32473 << at 2400 :/
2014-04-05T10:10:48 < Fleck> PCLK2_Frequency is 84MHz and datasheet about 84MHz: http://im9.eu/picture/n32473
2014-04-05T10:13:16 < Fleck> I wonder - fpclk is the same as PCLK2_Frequency? Or I need to check PCLK1? What about note 2 then?
2014-04-05T10:13:54 < PaulFertser> Fleck: if you're using an external resonator to set HSE frequency you need to make appropriate changes for some #define'd value too.
2014-04-05T10:14:43 < Thorn> how to prototype with a chip scale package http://beta.hstor.org/getpro/habr/post_images/17f/3ab/75d/17f3ab75d5f9169808049a7c59fdcf6b.jpg
2014-04-05T10:14:44 < PaulFertser> Fleck: are you changing any pll/clock settings _after_ uart initialisation?
2014-04-05T10:14:48 < Fleck> I am using 8MHz crystal and PPL, sysclk is at 168MHz, PCLK1 is at 42MHz
2014-04-05T10:15:07 < Fleck> and PCLK2 at 84MHz...
2014-04-05T10:15:38 < PaulFertser> Fleck: st lib looks at the current clock/pll registers and if it's HSE it uses a value you need to hardcode as a basis for calculations.
2014-04-05T10:19:32 < Fleck> I don't change manyally clock settings, they are set at systeminit() or what was that function that gets called before main()
2014-04-05T10:19:54 < Fleck> *manually
2014-04-05T10:20:50 < Fleck> how do I provide that definition manually?
2014-04-05T10:21:34 < SlaveToTheSauce_> ..._conf.h in that repo
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2014-04-05T10:22:41 < SlaveToTheSauce_> which is 8 already! ¯\_(ツ)_/¯
2014-04-05T10:23:09 < Fleck> so? :D
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2014-04-05T10:25:59 < Fleck> ha!
2014-04-05T10:26:04 < Fleck> my lib has 25MHz
2014-04-05T10:26:11 < Fleck> HSE value...
2014-04-05T10:26:22 < emeb_mac> that happens all the time
2014-04-05T10:28:25 < Fleck> did not fix my problem though :/
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2014-04-05T10:31:24 < PaulFertser> Fleck: did it change anything?
2014-04-05T10:31:44 < PaulFertser> Fleck: are you sure you recompiled the relevant code? Sometimes makefiles do not track deps on headers.
2014-04-05T10:31:51 < Fleck> looks like - no, but 2400 is still ok, 9600 is bad!
2014-04-05T10:32:32 < Fleck> I sent HSE_VALUE to usart, it says 8000000 so .bin is up to date!
2014-04-05T10:34:24 < Fleck> but looks like usart.c does not use HSE_VALUE at all, just PCLK2, at least - comment says so: http://im9.eu/picture/w324730
2014-04-05T10:34:55 < Fleck> lets do some math :p
2014-04-05T10:35:55 < PaulFertser> Fleck: do you know every c files is compiled separately, so if you send it from your main.c it doesn't mean anything, what's important is whether rcc.c was recompiled.
2014-04-05T10:37:00 < PaulFertser> Fleck: I hope you're just setting raw baudrate in that struct, without calculating anything yourself.
2014-04-05T10:37:02 < Fleck> well, I define HSE_VALUE before includes
2014-04-05T10:37:15 < PaulFertser> Fleck: in rcc.c?
2014-04-05T10:37:21 < Fleck> yes I set raw baud
2014-04-05T10:37:28 < Fleck> no, in main.c
2014-04-05T10:37:38 < PaulFertser> How that would affect the value rcc.c uses?
2014-04-05T10:38:14 < Fleck> ok, what should I do?
2014-04-05T10:39:34 < PaulFertser> Fleck: set it in stm32f4xx_conf.h , recompile everything in your project, including st lib files. Make sure it's defined only in stm32f4xx_conf.h and not anywhere else (other headers, makefile etc).
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2014-04-05T10:40:27 < Fleck> ok, cleanded, compiling
2014-04-05T10:41:21 < Fleck> HSE_VALUE is 8MHz (I removed my #define from main.c)
2014-04-05T10:41:28 < Fleck> lets check 9600
2014-04-05T10:42:15 < Fleck> nope - a mess anyway! :/
2014-04-05T10:44:13 < Fleck> meh
2014-04-05T10:49:32 < dongs> heh
2014-04-05T10:49:44 < dongs> today in airport i saw one of those ipoad/xxx phone charging stations
2014-04-05T10:49:53 < dongs> that had like ~10 different connectors
2014-04-05T10:50:01 < dongs> and they had a 3digit 7seg on each one
2014-04-05T10:50:08 < dongs> probably to show countdown timer or whatever dunno..
2014-04-05T10:50:30 < dongs> anway,the seg driver was same shit I did. 3 fets for digits and a constant current led driver on low side
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2014-04-05T11:22:27 < Fleck> so, any ideas?
2014-04-05T11:24:55 < Fleck> I am missing something... :/
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2014-04-05T11:28:58 < GargantuaSauce> needs extreem overclocking
2014-04-05T11:29:50 < Fleck> ?
2014-04-05T11:33:46 < GargantuaSauce> https://www.youtube.com/watch?v=ssL1DA_K0sI
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2014-04-05T13:03:52 < Fleck> PaulFertser: I don't have _conf.h file, and btw, it's defined in Path & Symbols under #Symbols: http://im9.eu/picture/y324730
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2014-04-05T13:52:42 < PaulFertser> Fleck: at this point I would start checking actual register contents on a running device.
2014-04-05T13:53:24 < PaulFertser> Fleck: starting with UART config registers, bit by bit, then RCC registers, paying attention to not violate the limits for intermediate frequencies too.
2014-04-05T13:54:28 < PaulFertser> Fleck: if you compile with gcc and -g3 you can just stop your app in gdb and type something like "p UART0" (or whatever was the name of the structure mapped over those uart hardware registers).
2014-04-05T13:55:44 < PaulFertser> USART0 I guess
2014-04-05T13:58:30 < Fleck> or USART1 ?
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2014-04-05T14:18:44 < Fleck> PaulFertser: clocks are as expected... one thing I don't know is USART reg, need to calc manually what values should be there and what are there
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2014-04-05T14:42:01 < PaulFertser> Fleck: right... Well, checking bit-by-bit, value by value, I'm afraid there's no better solution here.
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2014-04-05T15:15:49 < Fleck> PaulFertser: Fpclk in datasheet is PCLK2 freq if USART1 used?
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2014-04-05T15:27:57 < PaulFertser> Fleck: i'm not familiar with stm32f4, I was using l15x, f1x. f0x.
2014-04-05T15:28:08 < Fleck> meh, USARTDIV and FRACTIONDIV are OK too in USART_BRR reg, something else seems to be wrong!
2014-04-05T15:29:02 < Fleck> feels like I am digging in the wrong place
2014-04-05T15:30:42 < zyp> Fleck, what's the problem?
2014-04-05T15:31:14 < Fleck> zyp: USART baud 2400 is ok, 9600 is a mess
2014-04-05T15:31:36 < Fleck> and I can't fine where the problem is
2014-04-05T15:32:40 < Fleck> https://github.com/Torrentula/STM32F4-examples/blob/master/USART/main.c << using this example, http://im9.eu/picture/s32473 << I get :p
2014-04-05T15:32:43 < zyp> okay, first thing first, which board is this? f4-discovery?
2014-04-05T15:32:49 < Fleck> F407
2014-04-05T15:33:05 < Fleck> discovery - yes!
2014-04-05T15:33:14 < Fleck> 8MHz crystal on-board
2014-04-05T15:33:27 < zyp> and you're running at 168MHz PLL?
2014-04-05T15:33:31 < Fleck> yep
2014-04-05T15:33:41 < zyp> ok, what's the contents of your BRR register?
2014-04-05T15:33:48 < Fleck> 0x222E
2014-04-05T15:34:14 < zyp> ok, that is correct
2014-04-05T15:35:05 < zyp> and you're saying this works at 2400baud but not 9600?
2014-04-05T15:35:22 < Fleck> yes
2014-04-05T15:35:33 < Fleck> http://im9.eu/picture/c32473 << 2400
2014-04-05T15:35:45 < zyp> ok, that sounds like you have a race condition somewhere, which makes it fail when the transmissions take less time
2014-04-05T15:36:10 < Fleck> uhh, ohh?
2014-04-05T15:36:31 < zyp> that's just my guess as a starting point
2014-04-05T15:36:36 < zyp> are you testing tx only?
2014-04-05T15:36:41 < Fleck> yep
2014-04-05T15:36:48 < zyp> ok, hang on a moment
2014-04-05T15:38:29 < Fleck> ok, btw, thx PaulFertser, zyp for your time! :) Your help is really appreciated!
2014-04-05T15:38:30 < zyp> ah, you're checking wrong bit
2014-04-05T15:38:38 < zyp> line 106, the wait in puts
2014-04-05T15:38:45 < zyp> you're checking TC, not TXE
2014-04-05T15:39:39 < Fleck> 0x40 is wrong?
2014-04-05T15:39:50 < zyp> yes, that's TC
2014-04-05T15:39:55 < zyp> you want 0x80 for TXE
2014-04-05T15:40:14 < Fleck> ok, lets see! :D
2014-04-05T15:41:07 < Fleck> nope
2014-04-05T15:41:08 < Fleck> same
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2014-04-05T15:43:21 < Fleck> TC = transmission complete
2014-04-05T15:47:26 < Fleck> http://im9.eu/picture/b32473
2014-04-05T15:50:54 < zyp> yes, but you don't want to wait for transmission complete, you want to wait for the TX register to be empty, which means it's ready to handle another byte
2014-04-05T15:51:37 < zyp> TXE is auto-cleared, TC is not, and you're not clearing TC as far as I can see
2014-04-05T15:52:53 < zyp> hmm
2014-04-05T15:53:02 < zyp> how does your USART_SendData() look?
2014-04-05T15:53:42 < Fleck> http://paste.opensuse.org/68878496
2014-04-05T15:56:03 < zyp> hmm, what sample rate are you running on the logic there?
2014-04-05T15:56:11 < Fleck> 9600
2014-04-05T15:56:21 < zyp> sample rate, not baudrate
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2014-04-05T15:56:59 < Fleck> 24MHz
2014-04-05T15:59:32 < zyp> hmm, you're not clearing the init stuctures before using them, are you sure you're filling all fields of them and not leaving any containing garbage?
2014-04-05T16:00:22 < Fleck> I tried to clear USART1 reg, did not help, what else should I clear?
2014-04-05T16:01:13 < zyp> have you tried other baudrates than 2400 and 9600?
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2014-04-05T16:01:32 < Fleck> btw, one thing I did different - I don't use GPIOB, pins 6 & 7, but GPIOA pins 9 and 10, as datasheet says AF for those PINS are USART1 TX and RX
2014-04-05T16:02:10 < zyp> right, so the code I'm looking at which enables PB6 and PB7 is not the exact code you're running at all?
2014-04-05T16:02:28 < Fleck> other than that - it's the same!
2014-04-05T16:04:08 < zyp> ok, that's not going to work
2014-04-05T16:04:18 < Fleck> why not?
2014-04-05T16:04:39 < zyp> because PA9 and PA10 are already in use on the f4-discovery board
2014-04-05T16:04:54 < zyp> well, so is PB6
2014-04-05T16:05:19 < Fleck> lol
2014-04-05T16:05:28 < Fleck> how do you tell?
2014-04-05T16:05:37 < zyp> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00039084.pdf <- board manual
2014-04-05T16:06:34 < zyp> PA9 is VBUS for the USB connector, which has a 4.7uF capacitor, which is going to mess with your signal
2014-04-05T16:06:46 < zyp> especially for faster signals
2014-04-05T16:06:55 < Fleck> ohh my...
2014-04-05T16:07:20 < Fleck> you look in schematics?
2014-04-05T16:07:31 < zyp> page 39 in that document
2014-04-05T16:07:54 < zyp> the capacitor is C49
2014-04-05T16:08:03 < Fleck> ook
2014-04-05T16:08:13 < Fleck> what should I use in PA?
2014-04-05T16:08:51 < zyp> check the table startng at page 21, look for uart pins marked as free io
2014-04-05T16:09:11 < zyp> I can suggest USART2 on PA2/PA3
2014-04-05T16:09:49 < PaulFertser> Fleck: if you were using a scope and not an LA the harmful cap would be obvious from the trace...
2014-04-05T16:10:05 < Fleck> well... I don't have a scope! :(
2014-04-05T16:10:38 < Fleck> but I noticed at higher freqs I lost ping toggling... that explains cap in the line...
2014-04-05T16:10:39 < PaulFertser> resistor divider + soundcard would have been enough here
2014-04-05T16:14:57 < Fleck> thank you sooo much zyp!!!! Problem solved! :p USART2 works just fine! Thank you PaulFertser also!
2014-04-05T16:18:29 < PaulFertser> Fleck: great! I hope you don't think you've wasted time checking register, at least you've learnt a lot... It's "funny" how problems are obvious in retrospect: I should have clearly seen that if 2400 works, 9600 should work as well, and if it doesn't, the problem is elsewhere (in hardware)...
2014-04-05T16:18:39 < PaulFertser> zyp: you're great :)
2014-04-05T16:20:06 < zyp> that's why I were thinking about race conditions, but it struck me a bit odd that it worked at the lower speed not the higher :)
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2014-04-05T16:31:58 < Fleck> PaulFertser: sure, I learned a lot! :) and time is not wasted! :P just.... aaaaarghhh :p
2014-04-05T16:32:06 < Fleck> you know that feeling...
2014-04-05T16:33:12 < Fleck> yeah, you are great zyp! :)
2014-04-05T16:35:35 < Fleck> PaulFertser: well registers lead me to this: [15:29:02] <Fleck> feels like I am digging in the wrong place
2014-04-05T16:35:57 < Fleck> and that was a step closer...
2014-04-05T16:37:27 < Fleck> PaulFertser: btw, I am thinking about scope... so, I hope some day I'll have money to buy one! :)
2014-04-05T16:38:24 < Fleck> *a scope
2014-04-05T16:39:48 < zyp> well, you have a logic analyzer already, I have both and regard the logic analyzer as the most useful of those
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2014-04-05T17:03:01 <+dekar_> http://static1.soydemac.com/wp-content/uploads/2014/04/Rack-doble-Mac-Pro.jpg
2014-04-05T17:12:07 < Fleck> zyp: yep, but I do not see a cap discharging in Logic analyzer... :)
2014-04-05T17:14:44 < GargantuaSauce> sure you do
2014-04-05T17:14:55 < GargantuaSauce> it just happens to be represented with a rather low bit depth
2014-04-05T17:15:40 < Steffanx> At least there is always a smart ass around in ##stm32 :P
2014-04-05T17:15:47 < GargantuaSauce> i do my best
2014-04-05T17:15:54 < Fleck> :D
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2014-04-05T17:44:45 < jpa-> http://hackaday.com/2014/04/05/taking-pictures-with-a-dram-chip/
2014-04-05T17:46:43 < Steffanx> heh, nice.
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2014-04-05T17:53:39 < Fleck> nice! :)
2014-04-05T17:56:14 < Fleck> anyone got a original .bin fro stm32F4-discovery MB997C board?
2014-04-05T17:57:07 < madist> Fleck: the .bin is the same across the boards
2014-04-05T17:57:10 < madist> afaik
2014-04-05T17:57:12 < Fleck> nope
2014-04-05T17:57:17 < Fleck> different sensor
2014-04-05T17:57:28 < madist> oh. you mean the demo code ?
2014-04-05T17:57:32 < Fleck> yes
2014-04-05T17:57:35 < madist> just download it and compile it ?
2014-04-05T17:57:51 < Fleck> where do I download it? I find only MB777B code :/
2014-04-05T17:57:57 < Fleck> meh
2014-04-05T17:58:01 < Fleck> *MB977B
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2014-04-05T18:01:44 < madist> Fleck: which sensor do you have ?
2014-04-05T18:05:28 < Fleck> new one ... LIS3DSH
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2014-04-05T18:09:30 < madist> the only difference is the sensitivity ?
2014-04-05T18:09:54 < Fleck> afaik yes
2014-04-05T18:13:37 < madist> then maybe they're running the same code
2014-04-05T18:15:22 < Fleck> I tried the same - not motion sensor demo is not working, PC founds USB HID device but thats it!
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2014-04-05T18:57:35 < karlp> dekwhat is that mac rack thing?
2014-04-05T18:58:22 < Fleck> so madist, ideas?
2014-04-05T18:59:14 < madist> no
2014-04-05T19:00:32 < Steffanx> newest macpro in some fancy rack karlp
2014-04-05T19:00:37 < Laurenceb> http://www.riotboard.org/
2014-04-05T19:00:41 < Laurenceb> lol riotboard
2014-04-05T19:01:33 < Steffanx> Actually two of them
2014-04-05T19:02:05 < karlp> when thing stake too many pages before I can see the price, it must be too expensive right?
2014-04-05T19:02:10 < gxti> hahahah fuckin mac rack
2014-04-05T19:02:30 < gxti> that type of thing was funny even before they turned them into trash cans
2014-04-05T19:02:38 < Steffanx> Yes, wonderful :P
2014-04-05T19:02:56 < Steffanx> Laurenceb, it still amazes me how a relatively simple project name can make you laugh
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2014-04-05T19:36:01 <+dekar> Steffanx, one should make a logic analyser with dithering, so you get pulse density modulated samples :)
2014-04-05T19:36:39 < superbia> hello love
2014-04-05T19:37:44 < superbia> sorry Steffanx wanted to /querry you
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2014-04-05T19:51:33 < Steffanx> one could also get a scope dekar  :P
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2014-04-05T21:16:32 < Tectu> anybody?   http://www.emblocks.org/forum/viewtopic.php?f=23&t=392
2014-04-05T21:21:49 < zyp> try with one - instead of two
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2014-04-05T21:31:57 < karlp> I don't suppose anyone knows of a usb header breakout board that has a gpio pin controllable pullup on it?
2014-04-05T21:32:06 < Tectu> zyp, thanks!
2014-04-05T21:32:42 < Tectu> karlp, at least I don't, but I'm interested in knowing why one would need such a thing
2014-04-05T21:32:55 < zyp> yeah, that sounds like a weird thing to want :)
2014-04-05T21:34:13 < madist> doesn't NI make acquisition boards that have GPIO->USB
2014-04-05T21:34:24 < karlp> want to plug it into the l1 disco board
2014-04-05T21:34:44 < karlp> not gpio acquiring, just the D+ pullup for usb connect/disconnect
2014-04-05T21:34:47 < madist> how many gpios do you want ? a few can be hacked out of a FT232/2232
2014-04-05T21:35:15 < zyp> karlp, and you can't be bothered to simply hook up a resistor?
2014-04-05T21:35:53 < karlp> was looking at maybe a breakout that plugged directly onto the l1 disco baord, rather than via a breadboard
2014-04-05T21:36:20 < karlp> I might be overthinking it :)
2014-04-05T21:36:21 < zyp> then you're going to have to make that yourself :)
2014-04-05T21:37:16 < karlp> so what's the best simplest example around these days of the "right" way of doing software controlled pullup?
2014-04-05T21:38:38 < zyp> I just hooked a resistor between D+ and a free GPIO
2014-04-05T21:38:42 < zyp> simple as that
2014-04-05T21:39:33 < zyp> both tristate and low is detected as disconnected, high is detected as connected
2014-04-05T21:40:05 < zyp> so as long as you don't care about being able to connect except when explicitly setting it high, that's the simplest way of doing it
2014-04-05T21:40:24 < zyp> and this is what I'm doing on the boards I'm selling
2014-04-05T21:40:43 < jpa-> karlp: why not just use the internal pull-up? works fine, even if the out-of-spec errata applies
2014-04-05T21:40:53 < karlp> excellent, I thought I rememebered hearing stuff about transistors and multiple resisters being overthinking it
2014-04-05T21:40:56 < karlp> jpa-: they do?
2014-04-05T21:41:07 < karlp> I'd never tried, thought the errata was enough
2014-04-05T21:41:18 < jpa-> i've never used external pull-up with stm32l1
2014-04-05T21:41:32 < karlp> well, why was I bothering before :)
2014-04-05T21:42:03 < karlp> the onyl board I've got made up I hard mounted the pullup, which was a little irksome with gdb and attach/enumeration, so I wanted software controlled from now on
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2014-04-05T22:57:25 < Laurenceb> apparently there is a new raspberry pi coming soon
2014-04-05T22:57:28 < Laurenceb> with SMPS
2014-04-05T22:58:11 < Fleck> no wonder
2014-04-05T22:58:12 < qyx_> it should have at least octocore 4GHz arm
2014-04-05T22:58:22 < Fleck> ;p
2014-04-05T22:58:37 < Fleck> 4GB RAM
2014-04-05T22:58:42 < Steffanx> only 4?
2014-04-05T22:58:46 < Fleck> ;p
2014-04-05T22:58:53 < Fleck> 32?
2014-04-05T22:59:01 < Steffanx> at least
2014-04-05T22:59:06 < Fleck> ok
2014-04-05T22:59:07 < Laurenceb> apparently it has....
2014-04-05T22:59:07 < qyx_> ddr6
2014-04-05T22:59:09 < Laurenceb> SMPS
2014-04-05T22:59:18 < Steffanx> april fools, Laurenceb ?
2014-04-05T22:59:31 < qyx_> and still 256MB ram?
2014-04-05T23:00:19 < Laurenceb> 512
2014-04-05T23:00:27 < Steffanx> doesn't it do 512 nowadays?
2014-04-05T23:00:29 < Laurenceb> same processor
2014-04-05T23:00:29 < Steffanx> ah yes
2014-04-05T23:00:39 < qyx_> more arduino compatible?
2014-04-05T23:00:40 < Laurenceb> and neater connectors
2014-04-05T23:00:41 < Steffanx> or was it 128 vs 256?
2014-04-05T23:00:45 < Laurenceb> no
2014-04-05T23:00:47 < qyx_> 256 and 512
2014-04-05T23:00:48 < Laurenceb> 256/512
2014-04-05T23:00:50 < Steffanx> same processor? fail
2014-04-05T23:00:50 < Laurenceb> yehsa
2014-04-05T23:01:21 < Steffanx> they also have to move away from sd.. because SD is total crap
2014-04-05T23:01:37 < Steffanx> So many issues caused by the millions of different SD cards
2014-04-05T23:01:43 < qyx_> if you buy 4e sd crap then it is crap
2014-04-05T23:01:45 < Laurenceb> the Register have one to review
2014-04-05T23:01:52 < Laurenceb> i was ircing with them
2014-04-05T23:01:56 < Steffanx> the register = troll website
2014-04-05T23:02:01 < Laurenceb> i know
2014-04-05T23:02:16 < Steffanx> probably working on the next april fools joke
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2014-04-05T23:05:05 < fbs> Steffanx: ur shoe lace is untied
2014-04-05T23:05:55 < Steffanx> whoot
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2014-04-05T23:06:40 < Steffanx> You were also messing around fbs.. answering some fancy arduino questions \o/
2014-04-05T23:07:28 < fbs> uhu
2014-04-05T23:07:31 < fbs> i love my arduino
2014-04-05T23:07:34 < fbs> arduino is love!
2014-04-05T23:07:38 < fbs> arduino is life!
2014-04-05T23:08:00 < Steffanx> ( im stalking you @ co.net )
2014-04-05T23:08:12 < fbs> oh lel
2014-04-05T23:08:15 < fbs> good on you
2014-04-05T23:08:18 < fbs> i was bored
2014-04-05T23:08:32 < fbs> havent seen a decent question there in a year
2014-04-05T23:08:36 < fbs> except for blackdog
2014-04-05T23:09:59 < fbs> sup with u Steffanx
2014-04-05T23:10:21 < Steffanx> nothing.. there?
2014-04-05T23:10:41 < fbs> nm
2014-04-05T23:10:47 < fbs> gotta do some electronics
2014-04-05T23:10:58 < Steffanx> i only read the interesting topics. Show your projects, pcb comparision etc. :)
2014-04-05T23:11:05 < fbs> yea
2014-04-05T23:13:45 < Steffanx> it even went wrong with blackdog fbs .. i remember a "blackdog starts with arduino" topic :P
2014-04-05T23:14:00 < fbs> oh yea
2014-04-05T23:14:10 < fbs> arduino = love, life, etc
2014-04-05T23:16:11 < fbs> forums seem to be as good as #electronics tho
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2014-04-05T23:33:13 < gxti> that's not saying much
2014-04-05T23:35:35 < Laurenceb> #ladyboytronics
2014-04-05T23:35:59 < Laurenceb> transonics
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2014-04-05T23:45:17 < emeb_mac> "A Chinese survey vessel, Haixun 01, heard a pulse with a frequency of 37.5kHz per second – identical to the standard signal used by the locator beacon of a flight recorder."
2014-04-05T23:45:30 < emeb_mac> beacons are chirped? who knew?
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2014-04-05T23:49:39 < qyx_> interesting
2014-04-05T23:49:54 < qyx_> today i've read the same thing, they even translated it wrong
2014-04-05T23:52:12 < gxti> it's sound not RF
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2014-04-05T23:54:29 < gxti> or i guess you were picking on 'khz per second'
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2014-04-05T23:57:08 < qyx_> yep
2014-04-05T23:57:09 < qyx_> hm
2014-04-05T23:57:20 < qyx_> output resistance 100W
--- Day changed Sun Apr 06 2014
2014-04-06T00:01:55 < dongs> sup
2014-04-06T00:03:50 < Fleck> morning dongs
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2014-04-06T00:10:43 < dongs> ready to blog
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2014-04-06T00:22:36 <+dekar> dongs, https://en.wikipedia.org/wiki/Honorary_Aryan#To_the_Japanese
2014-04-06T00:31:48 < Steffanx> heh, that "37.5kHz per second"  .. i read that in some dutch article. I guess they just translated the article emeb quoted.
2014-04-06T00:32:14 <+dekar> actually reading that I realised that the nazis weren't the only messed up ones: 'The idea that the Japanese were, in a civilizational sense, "honorary Aryans" was widespread. American president Theodore Roosevelt said that "Japan is the only nation in Asia that understands the principles and methods of Western civilization"'
2014-04-06T00:37:27 < Laurenceb> http://hackaday.com/2014/04/05/web-interface-for-the-fram-launchpad/#comments
2014-04-06T00:37:31 < Laurenceb> lolltastic
2014-04-06T00:38:18 < dongs> hackaday more like spamaday
2014-04-06T00:40:05 < dongs> The LaunchPad simply interfaces with the computer using USB and Python, and the computer hosts the webpage and updates it in real time using Node.js. The result is a very professional looking interface with an impressively responsive display that can control the on-board LEDs, read analog values from the integrated ADC, and stream accelerometer data.
2014-04-06T00:40:10 < dongs> wowwwwwwwwwwwwwwww
2014-04-06T00:41:53 <+dekar> "The result is a very professional looking interface" *cough*
2014-04-06T00:42:24 < Fleck> do you mind sharing some of your projects dongs? :D
2014-04-06T00:42:34 <+dekar> doesn't he all the time?
2014-04-06T00:42:53 < Fleck> maybe, I am new here... so!
2014-04-06T00:43:45 < Fleck> and from what I have seen so far - everything others do is shit... :D maybe just wrong first impression, heh
2014-04-06T00:44:01 < dongs> fleck, YOU are shit. that's a fact.
2014-04-06T00:44:06 < Fleck> sure
2014-04-06T00:44:36 < Steffanx> Fleck, don't take what mr dongs says too personal
2014-04-06T00:44:44 < Steffanx> dongs comes with a manual.
2014-04-06T00:44:46 < zyp> Fleck, protip: don't argue with dongs
2014-04-06T00:45:00 < Fleck> I am not arguing! :D
2014-04-06T00:45:06 < gxti> yes you are
2014-04-06T00:45:11 < zyp> good, because that would be a waste of time
2014-04-06T00:45:19 < Steffanx> lol
2014-04-06T00:45:25 < Fleck> yeah :D
2014-04-06T00:45:37 < dongs> infact right now you're arguing about arguing wiht dongs
2014-04-06T00:45:42 < dongs> so i have alrady won
2014-04-06T00:45:55 < Steffanx> How's yankeeland today dongs?
2014-04-06T00:46:00 < dongs> -12
2014-04-06T00:46:00 < Fleck> congrats! :P
2014-04-06T00:46:08 < dongs> with lows at -20
2014-04-06T00:46:11 < dongs> and thats C
2014-04-06T00:46:14 < dongs> not fgtunits
2014-04-06T00:46:18 < Steffanx> Went to canada?
2014-04-06T00:46:44 < dongs> no still in alaska
2014-04-06T00:46:57 < Steffanx> close enough.
2014-04-06T00:47:20 < Laurenceb> http://i.imgur.com/smVCJ0U.jpg
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2014-04-06T00:48:12 < dongs> new best korea haircut?
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2014-04-06T03:27:13 < dongs> pro chats
2014-04-06T03:29:37 < karlp> too busy sending shit to itead to have time chatting with pros.
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2014-04-06T03:30:45 < dongs> haha i tead and pro in same sentence
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2014-04-06T03:39:20 < karlp> big simple board, to fit on carambola2, so way cheaper at itead than oshpark
2014-04-06T03:39:27  * karlp probably fucked something up anyway
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2014-04-06T03:50:03 < dongs> http://8devices.com/media/gallery/text/20_5149c4935d230_DSC_0010.png shoulda just bought this
2014-04-06T03:50:51 < dongs> are those headers arduino compatible
2014-04-06T03:52:32 < dongs> https://www.kickstarter.com/projects/guardyen/metawear-production-ready-wearables-in-30-minutes?ref=category zyp proj spotted
2014-04-06T03:54:38 < dongs> https://s3.amazonaws.com/ksr/assets/001/808/344/07548a0c379b8fd52225d90f1513f210_large.png?1396018001
2014-04-06T03:54:41 < dongs> "favorite game"
2014-04-06T03:57:21 < karlp> dongs my board is to go onto that board,
2014-04-06T03:57:24 < karlp> not onto the bare module
2014-04-06T03:57:34 < dongs> ah ok
2014-04-06T03:57:36 < karlp> I like having the power supply and ethernet and usb already sorted out
2014-04-06T03:57:39 < dongs> so its a shield for a shield
2014-04-06T03:57:41 < dongs> right
2014-04-06T03:57:43 < karlp> and no, that's not arduino compatible at all
2014-04-06T03:57:56 < dongs> you should have ordreed 2 boards then
2014-04-06T03:58:02 < dongs> 1st one turns it into arduino compatible headers
2014-04-06T03:58:08 < dongs> and 2nd one stacks on top of that, with arduino shield
2014-04-06T03:58:10 < karlp> fuckoff :)
2014-04-06T03:58:12 < GargantuaSauce> whats with the external magnetics? i thought magjacks were a better choice these days
2014-04-06T03:58:23 < dongs> probly cheaper??
2014-04-06T03:58:24 < karlp> GargantuaSauce: don't ask me, ask 8devices :)
2014-04-06T03:58:30 < dongs> lal those $5 wifi routers from china have external stuffs
2014-04-06T03:59:31 < karlp> yeah, we have a few of these too, it's all external magnetics: http://www.dragino.com/media/k2/galleries/71/ms14_3.jpg
2014-04-06T04:00:21 < dongs> RJ45 was something filthy cheap
2014-04-06T04:00:27 < dongs> like 10c or somethign for that dual jack part
2014-04-06T04:00:46 < dongs> maybe less, i dont remember
2014-04-06T04:00:53 < karlp> tplink 703n is external magnetics, it's one of thos super cheap ones too
2014-04-06T04:01:39 < karlp> GargantuaSauce: is there any tech reason not to use magjacks do you know? or is it just cost of space vs parts vs size tradeoffs?
2014-04-06T04:02:09 < zyp> shouldn't be any except cost/space
2014-04-06T04:02:10 < GargantuaSauce> not that i know of. and i would have thought magjacks were cheaper once you take assembly into account
2014-04-06T04:02:19 < GargantuaSauce> and board space etc
2014-04-06T04:02:22 < zyp> depends who are assembling it
2014-04-06T04:02:30 < dongs> i suspect two things
2014-04-06T04:02:41 < dongs> price of completed magjack
2014-04-06T04:02:49 < dongs> and the fact that there's not a single one that has same pinout
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2014-04-06T04:03:09 < dongs> so once you design a board for one, youre fucked if that vendor /quits
2014-04-06T04:03:38 < GargantuaSauce> ah i wasn't aware of that
2014-04-06T04:03:50 < GargantuaSauce> guess finding a pattern for my random ebay ones is gonna be fun
2014-04-06T04:04:02 < karlp> but what, all magnetics are the same, and all rj jacks are the same (or mostly)?
2014-04-06T04:04:02 < gxti> i did some research for my ntp shits and settled on one i can get from digikey or from aliexpress without much trouble
2014-04-06T04:04:26 < dongs> jacks are same but pinout is random
2014-04-06T04:04:46 < dongs> even failberrypi failed with a chink magjack
2014-04-06T04:05:00 < karlp> how did they fail on that?
2014-04-06T04:05:05 < dongs> http://www.raspberrypi.org/manufacturing-hiccup/
2014-04-06T04:05:11 < dongs> they bought non-mag-jacks :)
2014-04-06T04:05:16 < karlp> oh, heh
2014-04-06T04:05:44 < zyp> well, if they even can find fitting non-mag-jacks, shouldn't be that hard finding fitting magjacks
2014-04-06T04:06:38 < dongs> fitting is fine, footprint is same.
2014-04-06T04:06:40 < dongs> its the actual pinout
2014-04-06T04:06:47 < gxti> yeah well it's not completely random dongs
2014-04-06T04:06:47 < dongs> then if you add leds to the mix, more random combinations
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2014-04-06T04:09:50 < dongs> https://www.kickstarter.com/projects/54060271/easyplug-the-sensor-shield-for-arduinos?ref=category
2014-04-06T04:09:54 < dongs> yaaaaaa
2014-04-06T04:10:25 < GargantuaSauce> i love those single-board pcbs
2014-04-06T04:10:29 < GargantuaSauce> er single-component
2014-04-06T04:10:37 < GargantuaSauce> what an amazingly efficient way to make money
2014-04-06T04:11:22 < dongs> ugh so much fail
2014-04-06T04:11:38 < dongs> premium 20 sensor pack $150
2014-04-06T04:11:40 < dongs> holy fucking shit
2014-04-06T04:11:50 < karlp> I've seen people making thing slike that
2014-04-06T04:11:56 < dongs> cost to make: $15 (if even)
2014-04-06T04:12:37 < karlp> I got a call from some architecture students that had wired up a few hundred dollars worth of stuff inside some labviewesq monster that was all just in the end a single remote temperature sensor
2014-04-06T04:13:01 < karlp> they were ecstatic with wha tthey had done, "soo cool, these parts were only a few dollars!"
2014-04-06T04:13:08 < dongs> ya, you buy a $500 DAQ card that can be read from labiew
2014-04-06T04:13:23 < dongs> and all it is is some isolated GPIO
2014-04-06T04:13:27 < dongs> and a few adc inputs
2014-04-06T04:13:36 < dongs> and $500 is cheap for one of those
2014-04-06T04:13:42 < karlp> they weren't actually using labview, they were using some 3d modelling softwre witha  scripting world in side it,
2014-04-06T04:13:51 < karlp> it looked like labview, all draggign lines all over the palce
2014-04-06T04:14:09 < dongs> MAX/Q or wahtever
2014-04-06T04:14:09 < karlp> some plugin for rhino3d iirc
2014-04-06T04:14:38 < dongs> https://www.kickstarter.com/projects/datagarden/midi-sprout-biodata-sonification-device?ref=category wat
2014-04-06T04:14:51 < karlp> grasshopper apparently
2014-04-06T04:15:09 < karlp> this stuff: http://fireflyexperiments.com/
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2014-04-06T04:15:35 < karlp> dude insisted he didn't know how to program...
2014-04-06T04:15:46 < karlp> "it's just a plugin for my design tools"
2014-04-06T04:16:37 < karlp> that mididsprout is awesome!
2014-04-06T04:16:47 < karlp> just think how much better it would be with monster cables!
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2014-04-06T04:38:08 < englishman> Aren't magjacks crazy patented apple only shits
2014-04-06T04:38:20 < karlp> you're thinking of the power cable connectors
2014-04-06T04:38:34 < englishman> Oh... You mean rj45 with magnets... Sorry
2014-04-06T04:38:39 < gxti> that's magsafe
2014-04-06T04:38:44 < englishman> Ya hehe
2014-04-06T04:38:45 < gxti> or so i'm told
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2014-04-06T04:53:50 < dongs> How does RECAP works?
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2014-04-06T05:04:32 < HTT-Bird> does the Black Magic Probe support JTAG + SWD, or just SWD?  (in particular: can you use it for boundary scan and other non-debug JTAG functions?)
2014-04-06T05:04:56 < gxti> it has some jtag support but i've never tried it
2014-04-06T05:10:30 < ds2> hmmmmm PNP transistor specs sucks
2014-04-06T05:16:28 < emeb_mac> minority carriers - don't work as well.
2014-04-06T05:18:25 < ds2> is that the reason why their gain is low compared to the NPN's?
2014-04-06T05:18:57 < GargantuaSauce> the reasons are socioeconomic rather than racial
2014-04-06T05:19:15 < ds2> looks like I'll have to plow through specs for PFETs :(
2014-04-06T05:19:50 < GargantuaSauce> sometimes it's worth it to use an nfet on the high side with a charge pump gate driver
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2014-04-06T05:44:50 < HTT-Bird> holes are slow. :P
2014-04-06T06:00:14 < madist> why do you care about gain if its being used as a switch ?
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2014-04-06T06:10:39 < gxti> because poor gain means you need a lot of base current to make it work
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2014-04-06T07:20:53 < ds2> limited drive current
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2014-04-06T08:07:40 < dongs> https://www.kickstarter.com/projects/1715216152/mains-control-wirelessly-with-raspberry-pi-add-on?ref=category
2014-04-06T08:07:44 < dongs> waht
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2014-04-06T08:47:08 < dongs> brits: Turn your iPhone or Samsung into a virtual reality interface with this brand-new 3D printed accessory
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2014-04-06T08:52:05 < GargantuaSauce> does that put your phone in front of your face
2014-04-06T08:52:29 < GargantuaSauce> yes it does.
2014-04-06T08:55:00 < dongs> no, it puts your SAMSUNG in your face
2014-04-06T08:55:36 < GargantuaSauce> i like the lenses, i don't think they could have made a worse choice
2014-04-06T08:55:39 < GargantuaSauce> dat chromatic aberration
2014-04-06T08:58:36 < emeb_mac> mmm... tasty rainbow fringes
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2014-04-06T10:03:26 < Fleck> morning!
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2014-04-06T10:10:23 < FreezingCold> So I'm compiling qemu from git right now so I'll get cortex m4 support
2014-04-06T10:10:36 < FreezingCold> how decent is simulation?
2014-04-06T10:11:31 < jpa-> cpu, pretty good (only instruction-level accurate IIRC); peripherals, does not really support many of them
2014-04-06T10:12:48 < FreezingCold> so I've never even touched it, how do you watch things like I/O?
2014-04-06T10:12:54 < FreezingCold> with gdb anyway
2014-04-06T10:13:46 < GargantuaSauce> you basically need an LA for that
2014-04-06T10:14:05 < jpa-> you can read the port registers, if you mean GPIO
2014-04-06T10:14:26 < FreezingCold> yeah reading the registers
2014-04-06T10:14:45 < FreezingCold> Do I read the datasheet to see where they're located, and then mess around in gdb to find them?
2014-04-06T10:14:47 < FreezingCold> GargantuaSauce: and LA?
2014-04-06T10:15:13 < GargantuaSauce> you can just print the registers from their symbolic names directly, (as long as the project has them defined of course)
2014-04-06T10:15:22 < GargantuaSauce> so like p GPIOA->IDR works
2014-04-06T10:15:47 < GargantuaSauce> and LA is logic analyzer, i use this http://dangerousprototypes.com/open-logic-sniffer/
2014-04-06T10:16:40 < FreezingCold> jpa-: Can you set a clock with qemu?
2014-04-06T10:16:43 < FreezingCold> never mind, I should google that
2014-04-06T10:17:42 < FreezingCold> like right now I'm blinking GPIOC on pin 13
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2014-04-06T10:21:07 < FreezingCold> nice, segfault
2014-04-06T10:21:41 < Fleck> ;p
2014-04-06T10:21:56 < FreezingCold> probably because of the cortex-m3 though lol
2014-04-06T10:22:21 < GargantuaSauce> i'm not sure i'd consider emulation worth pursuing
2014-04-06T10:22:43 < FreezingCold> GargantuaSauce: heh really? I do have a f4discovery, but I like the idea of software simulation
2014-04-06T10:22:47 < GargantuaSauce> cause the peripherals are what makes the platform what it is, otherwise you may as well just be compiling the c natively
2014-04-06T10:24:58 < FreezingCold> that's a good point..
2014-04-06T10:25:49 < FreezingCold> if I compile the peripherals in, will it break qemu?
2014-04-06T10:26:08 < GargantuaSauce> there's already at least one project out there where someone implemented them
2014-04-06T10:26:21 < GargantuaSauce> https://github.com/beckus/qemu_stm32
2014-04-06T10:26:23 < GargantuaSauce> thats the f103
2014-04-06T10:27:16 < GargantuaSauce> you might want to try semihosting but i am not familiar with exactly what that entials
2014-04-06T10:28:05 < FreezingCold> jesus that's massive
2014-04-06T10:28:34 < FreezingCold> GargantuaSauce: I've got gdb working with my discovery already
2014-04-06T10:29:08 < GargantuaSauce> yeah i'd say just use that instead of messing with emulation
2014-04-06T10:35:47 < madist> what is semihosting ?
2014-04-06T10:37:36 < GargantuaSauce> io through the debugging host
2014-04-06T10:37:58 < GargantuaSauce> ie a printf() on the device spits data over the swd interface
2014-04-06T10:41:17 < madist> ok
2014-04-06T10:41:58 < GargantuaSauce> i am under the impression it's a pain to set up, at least with the gnu toolchain/oocd
2014-04-06T10:42:15 < madist> I've seen the api on STM32
2014-04-06T10:42:24 < madist> and the menu option in STLink
2014-04-06T10:42:34 < madist> I should try it out.
2014-04-06T10:43:26 < madist> "SWO viewer" <- that's the same thing you're talking about right ?
2014-04-06T10:43:41 < GargantuaSauce> probably?
2014-04-06T10:44:03 < GargantuaSauce> i have revealed the entirety of my knowledge on the subject
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2014-04-06T12:45:29 < PaulFertser> GargantuaSauce: semihosting is not a pain to set up, it's rather trivial change to makefile.
2014-04-06T12:46:23 < GargantuaSauce> and using it with oocd is straightforward?
2014-04-06T12:47:22 < PaulFertser> madist: no, semihosting works without SWO, and is available on all the parts and is bidirectional and also allows you to access files on PC with fopen etc. ITM trace module that spits data over SWO allows for greater speeds and several independent channels but is unidirectional, needs additional dedicated SWO line from target to the adapter, not supported with ftdi debuggers etc.
2014-04-06T12:47:40 < PaulFertser> GargantuaSauce: it really is, just add "arm semihosting enable" to your openocd config.
2014-04-06T12:47:51 < GargantuaSauce> cool
2014-04-06T12:48:34 < madist> interesting :p
2014-04-06T12:56:56 < qyx_> wut, should try
2014-04-06T12:57:28 < qyx_> doesn't it need syscall stubs changes?
2014-04-06T13:00:17 < dongs> just remember everytime you printf debug, 10 kittens are murdered
2014-04-06T13:00:44 < dongs> bedtim
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2014-04-06T13:02:07 < jpa-> qyx_: well you can print to semihosting in many ways, if you want to do it through syscalls, IIRC there is a newlib stub lib that binds it to semihosting
2014-04-06T13:04:32 < PaulFertser> qyx_: right, just use the --specs=rdimon.specs -lrdimon for your linker flags.
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2014-04-06T13:15:19 < PaulFertser> If you want to make output of several text lines at once via semihosting faster, disable line buffering on stdout with stdbuf() and fflush it explicitely.
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2014-04-06T15:41:45 < Steffanx> i know why dongs is in alaska.. https://petitions.whitehouse.gov/petition/alaska-back-russia/SFG1ppfN
2014-04-06T15:42:58 < qyx_> PaulFertser: thx, i will try
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2014-04-06T15:55:54 < madist> dongs is in Alaska ?
2014-04-06T15:56:01 < madist> bet its a booty call with Sarah Palin.
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2014-04-06T18:52:31 < Laurenceb> http://hackaday.com/2014/04/05/university-attempts-to-break-3d-printing-world-record/
2014-04-06T18:52:35 < Laurenceb> failing at failing
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2014-04-06T19:47:36 < akaWolf> Alaska ours!!
2014-04-06T19:47:37 < akaWolf> :)
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2014-04-06T20:33:28 < scrts> anyone have bus pirate?
2014-04-06T20:37:02 < Steffanx> i have one scrts, somewhere
2014-04-06T20:37:41 < scrts> is it worth buying? or there are better options?
2014-04-06T20:37:57 < scrts> I want to sniff and also send data to i2c/spi devices
2014-04-06T20:40:40 < Steffanx> i never used it for i2c.. not sure if it's the best option, but i bet it gets the job done
2014-04-06T20:41:11 < Steffanx> and it's not that expensive :)
2014-04-06T20:41:51 < scrts> yep, which version you have?
2014-04-06T20:42:11 < Steffanx> let me find mine.. it
2014-04-06T20:42:15 < Steffanx> 's an "oldy"
2014-04-06T20:42:55 -!- timemob [~dongs@67.59.96.61] has joined ##stm32
2014-04-06T20:43:05 < timemob> sup dongs
2014-04-06T20:43:08 < Steffanx> hi alaska dongs
2014-04-06T20:43:57 < timemob> just woke up and ready for some blogging
2014-04-06T20:44:12 < timemob> I think I'm going to shoot some shit
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2014-04-06T20:45:20 < Steffanx> mine is v3 scrts
2014-04-06T20:45:59 < scrts> cool, thanks
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2014-04-06T20:48:49 < Steffanx> i wonder if there isn't something similar for some discovery board
2014-04-06T21:00:14 < dongs> < Steffanx> i know why dongs is in alaska.. https://petitions.whitehouse.gov/petition/alaska-back-russia/SFG1ppfN
2014-04-06T21:00:18 < dongs> haha
2014-04-06T21:01:29 < Laurenceb> dongs is in alaska?
2014-04-06T21:01:55 < Steffanx> That's what he said. And dongs always speaks the truth
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2014-04-06T21:03:32 < Laurenceb> sexy time with sarah?
2014-04-06T21:04:11 < Steffanx> Do you expect him to cheat on wifecop?
2014-04-06T21:04:28 < Steffanx> i bet she is the mad genious behind the mistery of dongs.
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2014-04-06T22:35:33 < fbs> scrts: used my buttpiratte for lm75s, but thats about it
2014-04-06T22:37:04 < dongs> using buttpirate makes me feel dirty cuz its a pic
2014-04-06T22:37:49 < fbs> it is
2014-04-06T22:38:36 < Steffanx> and we talk to dongs  you   think that is normal?
2014-04-06T22:41:28 < dongs> so fucking win8 changes start screen tile size basd on dpi
2014-04-06T22:41:55 < dongs> on my desktop i can fit like 6 tiles vertically in only 1152 vertical rez, and on laptop only 4 in x1800 vertical
2014-04-06T22:41:59 < dongs> waht teh fuck
2014-04-06T22:42:00 < dongs> waste of space
2014-04-06T22:42:01 < fbs> use linux fool
2014-04-06T22:42:13 < dongs> use lunix so the graphics dotn work at all?
2014-04-06T22:42:17 < dongs> good diea!!!!
2014-04-06T22:42:19 < dongs> idea, too
2014-04-06T22:42:21 < fbs> works great
2014-04-06T22:42:26 < Steffanx> you should totally talk with ranewen, nine-tails or superbia about win 8 pro
2014-04-06T22:45:03 < Laurenceb> wtf is a tile
2014-04-06T22:45:25 < fbs> its a square brick
2014-04-06T22:46:35 < Laurenceb> http://www.speakchennai.com/wp-content/uploads/2013/05/Microsoft-Windows8-screen-tiles-635.jpg
2014-04-06T22:46:35 < Steffanx> you have to update your windows 8 skills Laurenceb
2014-04-06T22:51:18 < dongs> ya those
2014-04-06T22:53:57 < dongs> hm ya its only letting me pin 4 rows of shit
2014-04-06T22:54:57 < Steffanx> you actually use this screen often?
2014-04-06T22:55:49 < dongs> all the time?
2014-04-06T22:56:08 < dongs> its just one click way to start shit i commonly use?
2014-04-06T22:56:33 < Steffanx> win+d, short cut at screen, still works no?
2014-04-06T22:56:38 < Steffanx> *desktop
2014-04-06T22:56:43 < dongs> win-d....
2014-04-06T22:56:46 < dongs> are you fucking joking
2014-04-06T22:56:55 < dongs> im still looking for a wawy to permanently disable that shit
2014-04-06T22:57:03 < dongs> worst. fucking. shortcut key. ever
2014-04-06T22:57:21 < Steffanx> or just pin everything you need to the taskbar?
2014-04-06T22:57:27 < Steffanx> oh no that is too much os x a like
2014-04-06T22:57:28 < dongs> if you ahve more htan liek 2 windows open win-d is a fucking disaster
2014-04-06T22:57:50 < Steffanx> sorry, rule 1 of this channel: do not argue with dongs
2014-04-06T22:57:55 < Steffanx> You're right dongs.
2014-04-06T22:59:17 < gxti> yes mr dongs sir
2014-04-06T23:01:59 < Thorn> http://www.universetoday.com/110963/norwegian-skydiver-almost-gets-hit-by-falling-meteor-and-captures-it-on-film/
2014-04-06T23:03:08 < zyp> old news
2014-04-06T23:04:19 < Steffanx> new for me
2014-04-06T23:08:38 < dongs> zyp was the leding investigator
2014-04-06T23:08:40 < dongs> leading
2014-04-06T23:08:59 < Laurenceb> https://www.youtube.com/watch?v=Np3rbK79F68&feature=youtu.be
2014-04-06T23:09:38 < Steffanx> Laurenceb... 7min as in 7min of wasted time?
2014-04-06T23:09:47 < dongs> closed after 3 seconds
2014-04-06T23:09:54 < dongs> saved you the trouble of watching
2014-04-06T23:10:13 < Steffanx> we're so kind :D
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2014-04-06T23:13:56 < dongs> https://www.kickstarter.com/projects/reflowster/reflowster-soldering-controller-for-surface-mount?ref=home_spotlight wat is this shit
2014-04-06T23:14:07 < dongs> oh god ARDUINO COMPATIBLE SMART OUTLET
2014-04-06T23:14:13 < dongs> KILL IT WITH FIRE
2014-04-06T23:14:28 < gxti> i'm glad the excellent mr dongs is here to educate us about crappy products
2014-04-06T23:14:44 < gxti> without him we would be lost and confused
2014-04-06T23:15:21 < dongs> haha, FCC certification process???
2014-04-06T23:15:25 < dongs> and they're only asking for 10k?
2014-04-06T23:15:29 < dongs> doesnt that itself cots like 10k
2014-04-06T23:15:31 < dongs> cost
2014-04-06T23:15:38 < dongs> assuming they odnt fail it on the 1st try
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2014-04-06T23:25:16 < dongs> that thing is too expensive for not having active fan control
2014-04-06T23:25:57 < dongs> for $190 i expect a controller that can take several thermocouple inputs, and be able to control/pwm main heater plus air convection fans
2014-04-06T23:26:09 < dongs> that shit is just a relay driven by tarduino
2014-04-06T23:26:42 < Laurenceb> just buy chinareflow
2014-04-06T23:26:46 < dongs> ^
2014-04-06T23:26:55 < dongs> for $190, you're almost buying a T960 or wahtaever
2014-04-06T23:27:00 < dongs> the self-setting-on-fire oven
2014-04-06T23:27:19 < gxti> honestly i'd rather keep my toaster oven than buy one of those firestarters
2014-04-06T23:27:34 < dongs> dunno
2014-04-06T23:27:38 < dongs> chinareflow is fine if you arent doing rohs
2014-04-06T23:27:43 < dongs> and/or coninuous duty
2014-04-06T23:27:52 < dongs> it works perfectly f ine for leaded
2014-04-06T23:28:12 < dongs> and for making like a board per day.
2014-04-06T23:29:16 < Lux> lol@ talking about hobbyists designing circuitboards and showing altium images ^^
2014-04-06T23:29:26 < dongs> rite
2014-04-06T23:29:28 < zyp> I've been pretty happy about mine so far
2014-04-06T23:29:34 < zyp> as it haven't caught on fire yet
2014-04-06T23:29:37 < dongs> zyp, the T960 or whatnot?
2014-04-06T23:29:40 < zyp> yes
2014-04-06T23:30:01 < dongs> i think its 968. or someshit
2014-04-06T23:30:07 < dongs> probably means luck in chink
2014-04-06T23:30:08 < zyp> sounds right
2014-04-06T23:30:10 < dongs> no not 968. thats aoyue
2014-04-06T23:30:46 < zyp> http://bin.jvnv.net/f/lNfIS.JPG
2014-04-06T23:30:47 < zyp> 962
2014-04-06T23:30:52 < dongs> ya that
2014-04-06T23:31:02 < BrainDamage> cost?
2014-04-06T23:31:03 < dongs> http://tech168.en.alibaba.com/productgrouplist-200889216/Infrared_Reflow_Oven.html
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2014-04-06T23:31:25 < dongs> BrainDamage: like 200-300bux depending on shipping
2014-04-06T23:31:35 < dongs> http://www.ebay.com/itm/T-962-INFRARED-IC-HEATER-REFLOW-WAVE-OVEN-BGA-T962-m6-/370532749200 etc
2014-04-06T23:31:52 < BrainDamage> pretty ok for what it is
2014-04-06T23:31:57 < dongs> yep
2014-04-06T23:32:14 < dongs> http://www.ebay.com/itm/Reflow-Oven-Controller-PID-Ramp-rate-fits-T962-and-T962A-ovens-better-control-/191105445166?pt=LH_DefaultDomain_3&hash=item2c7ec5ad2e haha
2014-04-06T23:32:54 < zyp> wat
2014-04-06T23:32:55 < gxti> if you're not making many boards i don't think you'd really get 5x the value of a t962 vs a toaster oven
2014-04-06T23:33:07 < gxti> and if you are then it's just going to break and/or melt stuff and/or catch fire
2014-04-06T23:33:28 < gxti> seems like poor value to me
2014-04-06T23:33:42 < zyp> I disagree
2014-04-06T23:33:46 < dongs> https://github.com/estechnical/reflowOvenController haha that shitbay thing is just opensores
2014-04-06T23:34:39 < dongs> why hte fuck is it 127gbp for a tarduino
2014-04-06T23:34:54 < zyp> haha, it's even shittier than the original hardware
2014-04-06T23:34:55 < dongs> wait, he UPGRADES it with a 20x2 character LCD
2014-04-06T23:34:59 < gxti> you're still amazed at this kind of thing dongs?
2014-04-06T23:35:00 < dongs> where the original is a graphcial one??
2014-04-06T23:35:07 < zyp> character lcd and arduino instead of graphical and lpc2xxx :D
2014-04-06T23:35:11 < dongs> right
2014-04-06T23:35:11 < gxti> slow learner
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2014-04-06T23:36:21 < zyp> gxti, I got the t962 because I wanted something that just works
2014-04-06T23:36:38 < zyp> something that just lets me put in the boards and press start, and wait until it tells me it's done
2014-04-06T23:36:49 < gxti> well i'm glad it "just works" for you, other people i've heard from have not been so lucky
2014-04-06T23:36:57 < zyp> and I didn't want to make another project of hacking together a toaster controller to do that
2014-04-06T23:37:24 < zyp> gxti, how so?
2014-04-06T23:37:34 < dongs> well just the setting on fire part
2014-04-06T23:37:35 < dongs> i guess?
2014-04-06T23:37:39 < dongs> but its a known feature.
2014-04-06T23:38:35 < dongs> http://www.ebay.com/itm/251485004439 pratt & whitney srsly??
2014-04-06T23:38:37 < gxti> uneven heating resulting in boards not flowing, electrical issues, etc.
2014-04-06T23:39:05 < gxti> 97% feedback, obviously a total scammer
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2014-04-06T23:40:02 < dongs> the only design "issue" in t962 is that its not forced convection. fan is only for cooldown, and not during reflow. and you cant fix that really.
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2014-04-06T23:40:09 < dongs> but again, not leadfree this doesnt matter
2014-04-06T23:40:18 < dongs> as long as you have boards in center where it heats the msot, itsfine
2014-04-06T23:40:36 < zyp> uneven heating isn't really a problem unless you have enormous boards
2014-04-06T23:40:41 < zyp> yeh
2014-04-06T23:40:54 < gxti> or lots of boards
2014-04-06T23:41:11 < dongs> well, who the hell reflows abunch of boards at once
2014-04-06T23:41:23 < dongs> even in my big oven I only do like 4 max unless tehy're panelized
2014-04-06T23:41:32 -!- e-motion [~circuit@78.60.169.125] has quit [Ping timeout: 252 seconds]
2014-04-06T23:41:35 < zyp> I've done four boards at a time in mine
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2014-04-06T23:42:07 < dongs> plus my dicknplace is slow enough, I can bake one panel while its doing another one
2014-04-06T23:42:28 < dongs> it doesnt make it any faster to wait for 2+ panels to get done while the oven is not baking so shrug
2014-04-06T23:43:32 < dongs> k time to open shitbay dispute for this guy
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2014-04-06T23:45:34 < dongs> oh, great
2014-04-06T23:45:39 < dongs> fucker wasted time and "deadline has passed"
2014-04-06T23:45:43 < dongs> paypal dispute time then
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--- Day changed Mon Apr 07 2014
2014-04-07T00:15:21 -!- superbia [~superbia@unaffiliated/superbia] has joined ##stm32
2014-04-07T00:30:02 < aadamson> oh, yeah... I have AFSK (1200/2200 ones for aprs - ham radio), and now MFSK16 (Thor16 - slow bit rate, but with FEC) working on my stm32l1 with si4463 and a cdcel913 DPLL in place of a crystal or VCXO... oh, yeah!!!
2014-04-07T00:31:27 < qyx_> you can continue with dsss
2014-04-07T00:32:55 < aadamson> well for now, I have DDS running on PWM for the 2 tones and I brought out the DAC to play with as well... Yeah... but not really trying to use this for an SDR, it just a pretty frequency agile DPLL (xo) and Radio - (albiet with a very fixed LPF on the output at the moment) :)
2014-04-07T00:33:04 < aadamson> but wow, I never thought I'd get here...
2014-04-07T00:33:44 < aadamson> and some *damn* arduino code that I *borrowed* was a MPITA, which finally got thrown away and re-written the correct way...
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2014-04-07T00:40:46 <+dekar> scrts, I can highly recommend the bus pirate, such a useful tool
2014-04-07T00:40:58 <+dekar> I also have a v3.x one
2014-04-07T00:41:02 < scrts> already bought V3
2014-04-07T00:41:15 < scrts> was thinking about V4, but it wasn't on the online shop
2014-04-07T00:41:20 <+dekar> i2c works fine, I've only tried it at 100khz, though
2014-04-07T00:41:22 < scrts> I think it says V3.6
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2014-04-07T00:41:40 <+dekar> v3.x has the better software support anyway
2014-04-07T00:41:46 < scrts> cool
2014-04-07T00:41:48 <+dekar> I wouldn't get the v4 one yet
2014-04-07T00:43:25 <+dekar> but I've also used it with flashrom to dump serial flash chips, as frequency generator, TTL UART etc
2014-04-07T00:43:31 < Tectu> dongs please explain this: http://abload.de/img/capturegiuxt.png
2014-04-07T00:43:46 < Tectu> factor 8, really?
2014-04-07T00:43:49 < zyp> inverse compression
2014-04-07T00:44:17 < zyp> no really
2014-04-07T00:44:24 <+dekar> Tectu, 24k files isn't enough to warrant such an overhead O.o
2014-04-07T00:44:24 < zyp> it's likely a bunch of small files
2014-04-07T00:44:38 < zyp> hmm, maybe not
2014-04-07T00:44:48 <+dekar> what FS is that on?
2014-04-07T00:44:57 < Tectu> dekar, I agree, that's why I am so confused
2014-04-07T00:45:01 < Tectu> NTFS
2014-04-07T00:45:44 < Tectu> dekar, It's probably some network issue. The NAS says it's only 3.958GB
2014-04-07T00:46:10 < zyp> nas, ntfs?
2014-04-07T00:46:18 <+dekar> I guess so, I just wanted to guess it's shadow copies or something like that
2014-04-07T00:46:20 < Tectu> ah fail, sorry. NTFS was the source
2014-04-07T00:46:26 < Tectu> dekar, the target (NAS) uses ZFS
2014-04-07T00:46:46 < Steffanx> open sores, there you go
2014-04-07T00:46:52 < Steffanx> samba?
2014-04-07T00:47:17 < zyp> probably just something that doesn't translate correctly over the network
2014-04-07T00:47:19 < Tectu> CIFS
2014-04-07T00:47:20 < zyp> nothing to care about
2014-04-07T00:47:39 < Tectu> yeah, actually it says that the network share is only 237GB big instaed of 1.8TB
2014-04-07T00:47:40 < Tectu> hmm
2014-04-07T00:47:57 < Tectu> that's odd, especially because I really chose the "windows share" option on the NAS
2014-04-07T00:48:08 < Tectu> I expected it to work as expected
2014-04-07T00:48:19 <+dekar> I think ZFS handles storage space pretty unconventional anyway, I mean it de-duplicates an the like
2014-04-07T00:48:39 <+dekar> supports snapshots that are basically copy on write
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2014-04-07T00:48:52 < Tectu> well, FreeNAS doc told me to use ZFS unless I know why I want an UFS instead
2014-04-07T00:48:59 < zyp> dekar, yeah, and transparent compression
2014-04-07T00:49:04 <+dekar> that as well
2014-04-07T00:49:06 < zyp> zfs is pretty nice
2014-04-07T00:49:23 < Tectu> is that compression thing something I should turn off? It recommends to use lz4
2014-04-07T00:49:29 <+dekar> zyp, I like the video where they smash running drives with a sledgehammer, did you see that?
2014-04-07T00:49:33 < Tectu> but I don't have any experiences with compression of network storages
2014-04-07T00:50:01 < zyp> eh, it has nothing to do with the network part of it
2014-04-07T00:50:14 < zyp> network part is just samba running on top of whatever file system you have
2014-04-07T00:50:15 <+dekar> Tectu, just make sure you have a shitload of RAM, I hear 2gb per TB are recommended when you use the fancy features
2014-04-07T00:50:24 < zyp> that's dedup
2014-04-07T00:50:39 < Tectu> dekar, well, I got 4GB RAM on that machine with 2TB of storage
2014-04-07T00:50:43 < zyp> you should forget about dedup, everything else is cheap
2014-04-07T00:50:52 < Tectu> dekar, but in the device monitor I've seen that it's using shitload of RAM. I wasn't sure why.
2014-04-07T00:51:14 < qyx_> freenas bleh
2014-04-07T00:51:15 < zyp> that's just memory cache
2014-04-07T00:51:19 < qyx_> '80 os
2014-04-07T00:51:23 < Tectu> well, then let's say I don't have any experiences with (file system) compression at all :P
2014-04-07T00:52:20 < Tectu> and it looks like it does not really eat a lot of bandwidth. I can copy my stuff with 102MB/s
2014-04-07T00:52:32 < Tectu> where 125MB/s would be the theoretical network limit
2014-04-07T00:52:40 < zyp> heh
2014-04-07T00:52:48 <+dekar> http://www.youtube.com/watch?v=CN6iDzesEs0#t=282
2014-04-07T00:53:05 < zyp> my zfs server does around 800MB/s locally :)
2014-04-07T00:53:10 < Tectu> but i've been wondering - is that compression thing an on-the-fly thing or does it compress the stuff during idle?
2014-04-07T00:53:17 < zyp> on the fly
2014-04-07T00:53:19 < Tectu> zyp, Mb/s you mean?
2014-04-07T00:53:26 < Tectu> zyp, or do you have 10Gbps ?
2014-04-07T00:53:27 < qyx_> MB/s
2014-04-07T00:53:28 < zyp> Tectu, no, megabytes
2014-04-07T00:53:30 < qyx_> not tha unusual
2014-04-07T00:53:32 < zyp> I said locally
2014-04-07T00:53:50 < zyp> I've considered getting 10gbe for it, but it's still a bit too expensive
2014-04-07T00:53:51 < Tectu> locally as in through the LAN, no?
2014-04-07T00:54:01 < qyx_> we built 960MB/s software raid6 last time
2014-04-07T00:54:04 < zyp> no, locally as on the same computer
2014-04-07T00:54:07 < Tectu> aah
2014-04-07T00:54:08 < BrainDamage> locally = in the same machine
2014-04-07T00:54:09 < Tectu> didn't check that
2014-04-07T00:54:14 <+dekar> my HFS+ does about 750MB/s as well
2014-04-07T00:54:25 < Tectu> is the local speed important?
2014-04-07T00:54:30 < Tectu> I mean if you have 600 or 800
2014-04-07T00:54:35 < Tectu> (on a RAID 1)
2014-04-07T00:54:41 < BrainDamage> my epenis does 500m/s
2014-04-07T00:55:29 < zyp> Tectu, depends what you're running on it
2014-04-07T00:55:44 < zyp> mostly it's bottlenecked by the network
2014-04-07T00:56:09 < Tectu> I see
2014-04-07T00:56:13 < Tectu> well, anyway - time for some sleep
2014-04-07T00:56:14 < Tectu> cu guys
2014-04-07T00:56:18 < Tectu> and thanks for the infos
2014-04-07T00:56:43 < zyp> I might run a torrent client on it, speed may help for hash checking larger torrents
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2014-04-07T00:57:12 <+dekar> zyp, just skip the checking if you know they're fine
2014-04-07T00:57:15 < zyp> currently that's also bottlenecked by network, since I have the torrent client running on my workstation instead
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2014-04-07T01:24:43 < emeb> dumb question: how important is it to be able to switch power to an SD card?
2014-04-07T01:25:08 < zyp> dumb answer: not very
2014-04-07T01:25:38 < emeb> I've seen it done both ways so I imagine it works OK w/o switching...
2014-04-07T01:25:41 < zyp> unless you care about protection against users plugging in dumb stuff and so on
2014-04-07T01:26:02 < emeb> right - hotplugging isn't an issue.
2014-04-07T01:26:17 < zyp> if you want to do higher speeds than SDR50 then you're going to need a way to switch it to 1.8V signalling
2014-04-07T01:26:27 < zyp> but higher modes aren't supported by stm32 anyway
2014-04-07T01:26:32 < emeb> OK
2014-04-07T01:27:01 < emeb> somewhere I saw something that said cycling power was the only way to reset the SD card.
2014-04-07T01:27:20 < emeb> don't know how often that's needed though. Likely not at all.
2014-04-07T01:27:24 < zyp> hmm, maybe
2014-04-07T01:27:52 < zyp> but shouldn't be too hard unless your sd card or sd code shits itself
2014-04-07T01:27:58 < zyp> s/hard/important/
2014-04-07T01:28:02 < emeb> right
2014-04-07T01:28:27 < zyp> power save might be another reason you'd want to turn it off
2014-04-07T01:28:41 < emeb> true
2014-04-07T01:29:54 < emeb> what about pullups on the signals to/from the SD - I've seen some designs with no pullups, some with 10k on every line.
2014-04-07T01:30:16 < zyp> I don't remember that, I think they are possibly mandated by spec
2014-04-07T01:30:24 < zyp> so I suggest checking the spec
2014-04-07T01:30:35 < zyp> I know my waveshare sd board has pullups on it
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2014-04-07T01:31:06 < emeb> wonder if the on-chip pullups would suffice...
2014-04-07T01:31:13 < emeb> (on the STM32)
2014-04-07T01:36:39 < gxti> it definitely works, as that's what i've done. i don't know if it's good.
2014-04-07T01:37:46 < emeb> I was looking at your laureline circuit. What's the drop across that BSS86 FET?
2014-04-07T01:37:58 -!- blight [~greg@reactos/developer/blight] has quit [Quit: Konversation terminated!]
2014-04-07T01:38:06 < emeb> s/86/84/
2014-04-07T01:49:51 < gxti> 0.6V, i hadn't even thought to check that. actually using IRML5103 at the moment
2014-04-07T01:50:45 < emeb> so VDD to the card is only 2.7V
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2014-04-07T01:51:33 < emeb> bottom end of the spec range...
2014-04-07T01:53:28 < gxti> could use some capacitance too, i obviously did not put much thought into it.
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2014-04-07T01:58:30 < englishman> Hey guys to use USB on f1 do I need the 22Rs in series? I know I don't need em on f3
2014-04-07T01:58:40 < gxti> IRML6401 looks like a nice replacement, 50mohm for only 50% more. same footprint.
2014-04-07T01:58:48 < gxti> i think in this case my rdson is something like 1+ ohms
2014-04-07T01:59:02 < gxti> slight improvement there.
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2014-04-07T02:00:35 < emeb> ya
2014-04-07T02:01:10 < emeb> probably easier than putting in an LDO
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2014-04-07T02:29:43 < gnomad> https://www.indiegogo.com/projects/healbe-gobe-the-only-way-to-automatically-measure-calorie-intake
2014-04-07T02:33:09 < aadamson> englishman, I know there are lots of shortcuts without those 22 ohm resistors, and they are less critical on FS than HS, but for the small footprint and better sanity, I always include them.  It doesn't hurt anything and I've seen too many boards (f1's included) that had less than reliable usb performance without those.  T
2014-04-07T02:33:57 < aadamson> if you google it, you'll see what they are used/needed for
2014-04-07T02:33:59 < karlp> and if they're already in the part, and you add extra ones because you thought, "mean tto have them" ?
2014-04-07T02:34:10 < aadamson> The f1's don't have them
2014-04-07T02:34:17 < aadamson> I don't even think the F3's do
2014-04-07T02:34:20 < karlp> isn't that what he was really asking?
2014-04-07T02:34:33 < aadamson> even the L1's don't only the pullup on disconnect and it's broken
2014-04-07T02:34:40 < englishman> Like, cp2102 doesn't need them, st docs don't state
2014-04-07T02:34:41 < karlp> fixed now :)
2014-04-07T02:34:49 < aadamson> since when?
2014-04-07T02:34:52 < karlp> -A parts
2014-04-07T02:34:55 < aadamson> ah
2014-04-07T02:34:57 < karlp> (if you can actualyl get them)
2014-04-07T02:34:57 < aadamson> good to know
2014-04-07T02:35:01 < aadamson> yeah really
2014-04-07T02:35:04 < Lux> how about looking it up in the ref manual instead of speculating ? the f3 certainly does have 22R integrated
2014-04-07T02:35:06 < karlp> different errata sheet too :)
2014-04-07T02:35:16 < aadamson> oh, how fun...
2014-04-07T02:35:22 < englishman> Where does it say that lux?
2014-04-07T02:35:47 < Lux> when dongs mentioned it I looked it up, let me check
2014-04-07T02:35:49 < englishman> Maybe I only checked f1, haven't made anything with f3 USB yet
2014-04-07T02:39:05 < Lux> No external termination series resistors are required on USB_DP (D+) and USB_DM (D-), the matching impedance is
2014-04-07T02:39:07 < Lux> already included in the embedded driver.
2014-04-07T02:39:15 < Lux> that's in the f3 datasheet
2014-04-07T02:39:28 < englishman> Cool, thanks
2014-04-07T02:39:50 < Lux> on a small footnote :)
2014-04-07T02:40:21 < aadamson> so what version, I just searched for resistor and resistors on the f303 and there isn't that reference
2014-04-07T02:40:25 < aadamson> we talking the 373?
2014-04-07T02:40:33 < Lux> no f303
2014-04-07T02:40:39 < aadamson> where did you find it?
2014-04-07T02:40:41 < aadamson> page?
2014-04-07T02:40:49 < aadamson> oh, wait....
2014-04-07T02:40:52 < aadamson> datasheet or RM
2014-04-07T02:41:32 < Lux> in the datasheet page 103
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2014-04-07T02:42:26 < aadamson> yep, excellent to know... I didn't know on the f3, guess I'll remove them the next time I do an f3 part...
2014-04-07T02:43:19 < aadamson> that reference doesn't exists in the L1 DS or RM
2014-04-07T02:43:58 < englishman> Hm
2014-04-07T02:44:37 < aadamson> nor does it exist in the F103 DS (looking at RM now)
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2014-04-07T02:46:16 < Lux> that probably means there are none internally connected
2014-04-07T02:46:55 < Lux> probably the easiest way to find out, how to do things correctly is to look at the discovery board schematics
2014-04-07T02:47:43 < aadamson> yeah, no reference in either the RM or the DS on the F103 for example.
2014-04-07T02:48:04 < englishman> Is there a f1 disco with user USB?
2014-04-07T02:48:24 < karlp> only discos with user usb are f072, f4, and f3 iirc
2014-04-07T02:48:25 < Lux> every disco board uses a f103 chip for swd
2014-04-07T02:48:33 < karlp> Lux: that's not the same as user usb
2014-04-07T02:49:34 < Lux> it's still the same usb peripheral
2014-04-07T02:49:41 < aadamson> agree with karlp only target usb's are 072, f4 and f3
2014-04-07T02:50:04 < karlp> lux means look at how the stlink portion sets up the usb though :)
2014-04-07T02:50:13 < karlp> (I think)
2014-04-07T02:50:14 < Lux> yep :)
2014-04-07T02:52:37 < karlp> :q
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2014-04-07T03:24:12 < dongs> zyp: se /notice
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2014-04-07T04:19:25 < dongs> https://www.kickstarter.com/projects/968523355/micro-phone-lens-150x-cell-phone-based-microscope?ref=category https://www.kickstarter.com/projects/1446839815/the-microbescope?ref=category
2014-04-07T04:19:30 < dongs> haha
2014-04-07T04:19:31 < dongs> two dumb projects doing eatly same shti
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2014-04-07T04:20:12 < dongs> https://www.kickstarter.com/projects/steelpuppet/universal-screw-block-proto-shield-system-for-ardu?ref=category wooooo
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2014-04-07T04:36:33 < dongs> https://www.kickstarter.com/projects/2135028730/piscreen-a-35-tft-with-touchscreen-for-the-raspber?ref=category holy shit I just noticed the LCD is conneted using shift registers to like 2 gpio pins on the PI
2014-04-07T04:36:38 < dongs> i can imagine just how terribly slow that shit is
2014-04-07T04:40:40 < GargantuaSauce> aidsfruit has one for $40
2014-04-07T04:40:55 < dongs> same shit?
2014-04-07T04:41:24 < GargantuaSauce> not sure what the interface is, it's not that though
2014-04-07T04:41:36 < dongs> https://s3.amazonaws.com/ksr/assets/001/647/369/1b3d6d1c6962820597074c1416ff3f85_large.png?1392699007
2014-04-07T04:41:46 < dongs> looks like they're using it in 8088 or whatever mode, with shift registers
2014-04-07T04:41:54 < dongs> does shittypi have SPI or something on GPIO? een THAT would probably be faster...
2014-04-07T04:42:03 < GargantuaSauce> yes it does
2014-04-07T04:42:28 < GargantuaSauce> yeah the adafruit one uses an lcd with an spi interface i guess
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2014-04-07T04:43:05 < dongs> how are they getting X into oit
2014-04-07T04:43:24 < dongs> did they write xserver driver for whatever bitbanging abortion they creatd?
2014-04-07T04:43:50 < GargantuaSauce> yes
2014-04-07T04:43:59 < dongs> isnt that kinda complicated
2014-04-07T04:44:02 < GargantuaSauce> well it uses the hardware spi
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2014-04-07T04:44:11 < GargantuaSauce> they have convenient instructions that only work for raspbian
2014-04-07T04:44:16 < GargantuaSauce> packages etc
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2014-04-07T04:49:33 < dongs> http://marks-space.com/2013/09/23/software-pwm-on-a-raspberry-pi/#more-1344
2014-04-07T04:49:35 < dongs> SEPTEMBER 29, 2013 AT 2:42 PM
2014-04-07T04:49:35 < dongs> Thanks for this post, the code at the bottom of the page. What language is it and how would I make my Pi parse it?
2014-04-07T04:49:39 < dongs> loool
2014-04-07T04:50:09 < dongs> this is the current generation of retards who buy shittyberrypi
2014-04-07T04:50:11 < dongs> cant een tell C
2014-04-07T04:56:17 < dongs> http://paste.ubuntu.com/6847008/
2014-04-07T04:56:24 < dongs> and heres a typical 2014 python  code
2014-04-07T04:56:31 < dongs> os.system ('echo "0=0" > /dev/pi-blaster')
2014-04-07T04:57:09 < dongs> i want to stab
2014-04-07T04:58:16 < GargantuaSauce> laminating with hot air is hard :(
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2014-04-07T05:39:05 < dongs> https://www.kickstarter.com/projects/situ/situ-smart-food-nutrition-scale?ref=category what the fuck is this
2014-04-07T05:47:47 < dongs> looks like a scale with a shitty trashpad app
2014-04-07T05:53:06 < gnomad> yes, you too could me a millionaire making products for stoopid people.
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2014-04-07T05:59:37 < dongs> https://s3.amazonaws.com/ksr/assets/001/662/459/4bb676f62ad0f43308832d7822cbdb05_large.jpg?1393015014
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2014-04-07T06:03:40 < dongs> Will Mohu Channels support XBMC?
2014-04-07T06:03:40 < dongs> After extensive quality testing, we have determined that XBMC does not work reliably with this release of Mohu Channels.
2014-04-07T06:11:24 < dongs> heh looks like a metiatekrockchip assdroid shit with a atsc tuner attached
2014-04-07T06:13:26 < dongs> i wonder whythey'd use a can tuner in 2014
2014-04-07T06:13:36 < dongs> there are single-chip atsc tuner+demod shits
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2014-04-07T07:17:37 < englishman> aadamson: stlink on disco boards appear to have no series resistors
2014-04-07T07:17:46 < englishman> schematic is in disco user manual
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2014-04-07T07:23:06 < hesperaux> dongs, what do you do, browse kickstarter all day every day? haha
2014-04-07T07:23:53 < dongs> exacxtly
2014-04-07T07:23:56 < hesperaux> dongs, you are like an entertainment factory
2014-04-07T07:24:01 < hesperaux> looking at that pastebin now
2014-04-07T07:24:13 < dongs> yeah, that shit is horrible
2014-04-07T07:24:21 < hesperaux> i don't get what this is doing
2014-04-07T07:24:30 < dongs> it talks to some kernel driver
2014-04-07T07:24:33 < dongs> by using python
2014-04-07T07:24:38 < dongs> by calling /bin/sh
2014-04-07T07:24:41 < hesperaux> except it doesn't
2014-04-07T07:24:42 < dongs> to echo shit into /proc/faggot
2014-04-07T07:24:43 < hesperaux> lol
2014-04-07T07:24:43 < dongs> or something
2014-04-07T07:24:47 < hesperaux> ahah
2014-04-07T07:24:57 < hesperaux> yeah i would have used bash for something like that
2014-04-07T07:24:59 < hesperaux> maybe perl
2014-04-07T07:25:09 < englishman> Dongs did you see this http://l.yimg.com/ea/img/-/140407/ggu_contrib_drone_crack_afs_19k3htf-19k3htj.jpg?x=656&sig=3cAE7pzcuQkHNXUiJgo_wQ--
2014-04-07T07:25:13 < dongs> i wouldnt have used shittyberrypi for this to begin wiht
2014-04-07T07:25:19 < dongs> is that hte best korea drone
2014-04-07T07:25:28 < dongs> clicking
2014-04-07T07:25:29 < dongs> page loading
2014-04-07T07:25:35 < hesperaux> wtf?
2014-04-07T07:25:41 < dongs> englishman: loooool
2014-04-07T07:25:41 < hesperaux> did someone get owned by a falling drone?
2014-04-07T07:25:48 < dongs> looks like a failing zenmoose
2014-04-07T07:25:57 < englishman> Pro ap amazewheel
2014-04-07T07:26:02 < dongs> yep
2014-04-07T07:26:04 < hesperaux> wow...that has gotta hurt
2014-04-07T07:26:17 < dongs> i hope 2014 will be the year chinese plastic trash is banned in USA
2014-04-07T07:26:25 < englishman> Better yet, the operators say it was HACKED
2014-04-07T07:26:30 < dongs> lu
2014-04-07T07:26:31 < hesperaux> i'm sure it was
2014-04-07T07:26:34 < hesperaux> hah
2014-04-07T07:26:34 < dongs> HACKED BY CHINESE
2014-04-07T07:26:35 < englishman> to crash into triathlete
2014-04-07T07:26:38 < hesperaux> lol
2014-04-07T07:26:49 < hesperaux> this channel is highly amusing
2014-04-07T07:26:50 < dongs> is that guy bleeding
2014-04-07T07:26:54 < englishman> Yes
2014-04-07T07:26:55 < hesperaux> i think i'll stop by more often to laowl
2014-04-07T07:26:57 < dongs> awesome
2014-04-07T07:27:04 < dongs> gona google pics for sauce
2014-04-07T07:27:04 < hesperaux> isn't that a girl?
2014-04-07T07:27:09 < hesperaux> i can't tell for sure
2014-04-07T07:27:18 < englishman> S/he was taken to hospital etc ad lost race
2014-04-07T07:27:29 < hesperaux> epic fail
2014-04-07T07:27:34 < hesperaux> btw, checking out this smart scale
2014-04-07T07:27:38 < hesperaux> pretty badass ipad app
2014-04-07T07:27:42 < hesperaux> super pretty
2014-04-07T07:27:58 < hesperaux> not sure why i would want that kind of thing though
2014-04-07T07:28:01 < hesperaux> a scale for fruit...
2014-04-07T07:28:10 < hesperaux> that presupposes to know the nutritional value of random fruit?
2014-04-07T07:28:11 < englishman> So you can share it on facebopk
2014-04-07T07:28:16 < hesperaux> DUDE, I ATE THIS FRUIT
2014-04-07T07:28:19 < hesperaux> EVERYONE IT HAD 4 CAL
2014-04-07T07:28:22 < englishman> Totally
2014-04-07T07:28:28 < hesperaux> THIS FRUIT.
2014-04-07T07:28:35 < hesperaux> CLOG CLOG INTERENET TUBES LOL HI FRUITS
2014-04-07T07:28:48 < englishman> Apply instagram filter to photo of fruit
2014-04-07T07:28:53 < dongs> jewgle images is failing to give me actual links to article about fail drone
2014-04-07T07:28:54 < dongs> just pix
2014-04-07T07:28:58 < hesperaux> it actually hurts me a little when i think of how much useless data is transmitted over the internet
2014-04-07T07:28:58 < dongs> mostly off yahoo.com.au
2014-04-07T07:29:26 < dongs> hesperaux: the shitty white thing is just a fucking scale
2014-04-07T07:29:36 < dongs> and itrash app has a database local or online of fruits+Crap
2014-04-07T07:29:41 < englishman> Dongs it was linked by jef search other Chan
2014-04-07T07:29:45 < dongs> so you put plate on it, hit reset to zero
2014-04-07T07:30:02 < dongs> put more crap on, resetagain
2014-04-07T07:30:09 < dongs> and select whatyou added in the app
2014-04-07T07:30:15 < dongs> i can only imagine making a sandwich wiht this
2014-04-07T07:30:21 < hesperaux> lol
2014-04-07T07:30:22 < dongs> you gotta reset after eachlayer of stuff
2014-04-07T07:30:27 < hesperaux> it looks like the prototype was a hacked wii balance board
2014-04-07T07:30:29 < dongs> SO PRO
2014-04-07T07:30:33 < hesperaux> you do?
2014-04-07T07:30:37  * hesperaux lols again
2014-04-07T07:30:39 < dongs> yes?
2014-04-07T07:30:44 < dongs> look at his example cereal using video
2014-04-07T07:30:46 < dongs> near the bottom
2014-04-07T07:30:52 < dongs> where he adds plate, cereal, imlk
2014-04-07T07:31:00 < dongs> and takes like 30 seconds to find correct type of milk
2014-04-07T07:31:01 < dongs> in the list
2014-04-07T07:31:04 < hesperaux> i like the rooster on the corn flakes box
2014-04-07T07:31:07 < hesperaux> btw he loves cereal
2014-04-07T07:31:07 < dongs> is it 10% fat or 11% fat milk??
2014-04-07T07:31:20 < hesperaux> situ is going to tell him what he's about to eat
2014-04-07T07:31:21 < hesperaux> he doesn't know yet
2014-04-07T07:31:28  * hesperaux lols hard
2014-04-07T07:31:54 < englishman> Also dongs http://www.reddit.com/r/shittykickstarters
2014-04-07T07:32:03 < dongs> fuck you and your reddit shit
2014-04-07T07:32:06 < dongs> not_clicking
2014-04-07T07:32:09 < englishman> K
2014-04-07T07:32:16  * hesperaux is going to click
2014-04-07T07:33:02 < hesperaux> My name is Michael Grothaus and I’m a former Apple employee
2014-04-07T07:33:06 < hesperaux> that explains a lot
2014-04-07T07:33:32 < hesperaux> cat simulator? really?
2014-04-07T07:33:39  * hesperaux sighs
2014-04-07T07:34:21 < hesperaux> https://www.indiegogo.com/projects/miracle-health-bracelet-vaguely-track-your-health-fitness-and-more/
2014-04-07T07:34:23 < hesperaux> lold
2014-04-07T07:34:36 < hesperaux> "measure your fitness goals in a vague, scientifically-unfounded way"
2014-04-07T07:34:42 < hesperaux> this is a troll kickstarter
2014-04-07T07:34:58 < hesperaux> amazing
2014-04-07T07:35:26 < hesperaux> alright, back to work...
2014-04-07T07:35:53 < dongs> whoa, this is creepy
2014-04-07T07:36:04 < dongs> i went to that mohu smart tv shit kickstarter
2014-04-07T07:36:07 < dongs> and now im seeing google ads for mohu
2014-04-07T07:36:16 < hesperaux> dude, i've had even creepier shit happen
2014-04-07T07:36:21 < dongs> i guess those dudes did same shit as AbleHD and bought a bunch of ads to lure dumbfucks to buy their shit
2014-04-07T07:36:24 < hesperaux> i once saw an add for custom M&Ms online ok
2014-04-07T07:36:30 < hesperaux> you could order them for valentine's day
2014-04-07T07:36:33 < hesperaux> to have custom words on them
2014-04-07T07:36:41 < hesperaux> so guess what word was on the M&M in the add?
2014-04-07T07:36:44 < hesperaux> my girlfriend's first name
2014-04-07T07:36:45 < hesperaux> WTF
2014-04-07T07:36:50 < dongs> ah
2014-04-07T07:36:52 < dongs> thats normal
2014-04-07T07:36:55 < hesperaux> xD
2014-04-07T07:36:57 < dongs> thats the new google+ "personalized" ads
2014-04-07T07:37:01 < dongs> you need to opt out of that
2014-04-07T07:37:05 < hesperaux> scary, creepy, not cool
2014-04-07T07:37:12 < hesperaux> the problem is i like some of the adsense ads
2014-04-07T07:37:19 < hesperaux> some of them are for like...scopes and chips and shit
2014-04-07T07:37:22 < hesperaux> and i find them interesting
2014-04-07T07:37:26  * hesperaux doesn't know
2014-04-07T07:37:33 < dongs> i dont mind ads and I do view them from time to time BUT
2014-04-07T07:37:40 < dongs> they need to do some shit thats more interesting
2014-04-07T07:37:50 < hesperaux> mine are pretty good like 33% of the time
2014-04-07T07:37:52 < dongs> right now the typical ad way is, I see shit I've already clicked on x days ago
2014-04-07T07:37:59 < hesperaux> like...hey look at this new op amp from TI
2014-04-07T07:38:07 < hesperaux> that's true
2014-04-07T07:38:10 < dongs> i don't need to see an ad for something i already have/looked at/ bought
2014-04-07T07:38:13 < hesperaux> and lots of times they'll give you ads for things you just purchased
2014-04-07T07:38:16 < hesperaux> ^
2014-04-07T07:38:23 < hesperaux> BUY MORE
2014-04-07T07:38:29 < hesperaux> ONE PORTABLE BED ISN'T ENOUGH
2014-04-07T07:38:44 < hesperaux> i had ads from grainger for like 3 months straight
2014-04-07T07:38:49 < hesperaux> YOU WANT THIS EX330?
2014-04-07T07:38:54 < hesperaux> after i had purchased it
2014-04-07T07:38:56 < hesperaux> fail
2014-04-07T07:39:02 < englishman> thats how google burns through ad budgets
2014-04-07T07:39:08 < hesperaux> but the fact that they didn't know i bought it...is actually comforting
2014-04-07T07:39:11 < hesperaux> it limits the creepiness
2014-04-07T07:39:24 < englishman> you have to fuck with adword settings or it sucks all your money away in an afternoon
2014-04-07T07:39:47 < hesperaux> what do you mean?
2014-04-07T07:40:08 < dongs> englishman: do you have ads running on google
2014-04-07T07:40:28 < englishman> no but i was with a company that used em
2014-04-07T07:40:40 < englishman> once.
2014-04-07T07:40:49 < englishman> sucked month's ad budget in a few hours
2014-04-07T07:41:10 < hesperaux> so you have a choice between: "show ads to the entire world 900 times a second for 5 seconds" or: "show an ad to 5 people every few days"
2014-04-07T07:41:11 < dongs> englishman: /shtitykickstaters is... extremelyshitty.
2014-04-07T07:41:13 < dongs> just like all of reddit
2014-04-07T07:41:15 < dongs> unfunny etc.
2014-04-07T07:41:17 < englishman> yes
2014-04-07T07:41:24 < dongs> plus i only browse /tech on dickstarter
2014-04-07T07:41:26 < dongs> sometimes /opnesauce
2014-04-07T07:41:29 < hesperaux> lol
2014-04-07T07:41:31 < dongs> i dont give a shit about hipsters etc
2014-04-07T07:41:37 < englishman> i should do a kickstarter
2014-04-07T07:41:58 < englishman> 3d printed frame + myrcmart parts + naze clone
2014-04-07T07:42:07 < dongs> lul
2014-04-07T07:42:08 < hesperaux> THE GAME
2014-04-07T07:42:11 < englishman> the copter that anyone can flyyyy
2014-04-07T07:42:16 < dongs> quadbot, a QUADCOPTER ANYONE CAN FLY??
2014-04-07T07:42:18 < hesperaux> hmm, a kickstarter to win the game would be good
2014-04-07T07:42:19 < dongs> yes
2014-04-07T07:42:20 < dongs> 1!!11
2014-04-07T07:42:49 < hesperaux> ok back to work. dammit
2014-04-07T07:43:28 < dongs> https://www.kickstarter.com/projects/1883701526/matchboxarm/posts
2014-04-07T07:43:32 < dongs> they still havent delivered
2014-04-07T07:43:33 < dongs> so awesoem
2014-04-07T07:44:00 < hesperaux> =/
2014-04-07T07:44:05 < englishman> so dongs do i need those series 22r on f1 usb
2014-04-07T07:44:13 < dongs> yes
2014-04-07T07:44:14 < dongs> but not on f3
2014-04-07T07:44:18 < englishman> k
2014-04-07T07:44:27 < englishman> cuz the stdink on disco boards has 0 ohms there
2014-04-07T07:45:14 < dongs> ya, they suck at reading their own datashets
2014-04-07T07:45:27 < englishman> which sheet says you need them in f1?
2014-04-07T07:45:38 < englishman> saw where it said that f3 doesent need em
2014-04-07T07:45:48 < hesperaux> what is that for?
2014-04-07T07:46:21 < dongs> englishman: datasheet or RM
2014-04-07T07:46:24 < dongs> it definitely does
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2014-04-07T07:50:47 < englishman> not seeing it
2014-04-07T07:50:56 < englishman> also in OTG section theres a diagram that shows direct connection
2014-04-07T07:51:35 < englishman> mentions 1.5k pullup sure
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2014-04-07T08:32:29 < dongs> lulz. sdsl died.
2014-04-07T08:32:35 < dongs> on GPRS/EDGE connection now
2014-04-07T08:33:06 < emeb_mac> lo-tek
2014-04-07T08:33:53 < dongs> type shit, see it 5 minutes later
2014-04-07T08:34:14 < emeb_mac> time-warp
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2014-04-07T11:56:20 < edmont> hi
2014-04-07T11:57:04 < edmont> i'm trying to sample a signal both with the adc and the comparator
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2014-04-07T11:57:53 < edmont> the problem is that having both pins conected makes the adc to read a lower value
2014-04-07T11:58:19 < edmont> what's the cause?
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2014-04-07T12:00:59 < Fleck> weak signal? High resistance?
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2014-04-07T13:48:58 < Laurenceb> what fps could you pull through the F4 camera interface?
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2014-04-07T14:06:38 < trepidaciousMBR> Laurenceb: Depends on the camera, resolution, bit-depth etc.
2014-04-07T14:06:51 < trepidaciousMBR> The maximum clock rate is 57MHz
2014-04-07T14:07:05 < Laurenceb> ok, but is there bus contention issues?
2014-04-07T14:07:17 < Laurenceb> if we want to stick a framebuffer in FSMC sram?
2014-04-07T14:09:35 < trepidaciousMBR> I would suggest trying it, I've used 57MHz with internal SRAM with no problems
2014-04-07T14:09:53 < trepidaciousMBR> So I guess it depends on the external SRAM speed etc.
2014-04-07T14:10:44 < Laurenceb> ok
2014-04-07T14:11:40 < trepidaciousMBR> You can also buffer in internal SRAM then transfer to external, not sure if it would help ;) If the image is small enough you might fit it in internal SRAM
2014-04-07T14:11:57 < Laurenceb> ok, bbl
2014-04-07T14:12:11 < trepidaciousMBR> The data rate from an image sensor is very dependent on timing settings, e.g. pixclk versus frame time, etc.
2014-04-07T14:12:33 < trepidaciousMBR> You can have a completely flat data rate for some settings, or bursts for others
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2014-04-07T16:34:22 < Laurenceb__> http://www.raspberrypi.org/raspberry-pi-compute-module-new-product/
2014-04-07T16:34:25 < Laurenceb__> it has arrived
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2014-04-07T16:38:10 < PaulFertser> That's actually very interesting in that I wasn't aware Broadcom released register-level specs for VideoCore IV!
2014-04-07T16:38:38 < Claude> if they only had put a recent arm soc onto that module ...
2014-04-07T16:40:31 < karlp> Claude: probably didn't want to piss of all the existing SoM vendors?
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2014-04-07T16:43:54 < Claude> yeah maybe
2014-04-07T16:45:00 < Claude> but $30 for a SOM isn't bad
2014-04-07T16:45:50 < Claude> hehe but i wonder who will be the first who fries his notebook plugging in a rpi som into the memory socket
2014-04-07T16:46:22 < unrealex> thats pretty funy
2014-04-07T16:48:02 < Thorn> people in the comments are probably unaware that this is not the first module like that on the market lol
2014-04-07T16:48:29 < unrealex> and with better specs
2014-04-07T16:48:45 < trepidaciousMBR> what's this?
2014-04-07T16:50:33 < karlp> $30 is stilla nice price for 4gig emmc and 512meg ram
2014-04-07T16:50:57 < unrealex> btw what you think about the Novena http://www.bunniestudios.com/blog/?p=3657
2014-04-07T16:51:26 < unrealex> I dont think the specs are that great http://www.hardkernel.com/main/main.php
2014-04-07T16:51:39 < unrealex> and price
2014-04-07T16:52:09 < MrMobius> people keep saying the price is bad but the guy never wanted to make kits. he just made it for himself then people criedbecause they couldnt buy one
2014-04-07T16:52:37 < unrealex> I know its a "PC" for developing countries
2014-04-07T16:53:48 < Claude> http://olimex.wordpress.com/2013/09/04/a20-som-eur-35-dual-core-cortex-a7-at-1ghz-prototypes-complete/
2014-04-07T16:54:08 < unrealex> a lot of ppl go nuts for it when there aren't very good real world applications
2014-04-07T16:54:08 < Claude> not $30 but in the same region
2014-04-07T16:56:32 < unrealex> did you check the novena?
2014-04-07T16:57:07 < Claude> yeah quite cool , but too expensive for me
2014-04-07T16:57:20 < unrealex> me too :(
2014-04-07T16:57:36 < MrMobius> i would set the price like that if i were him too though
2014-04-07T16:57:40 < Claude> fpga+arm is nice , but i can have that for less than 200 euros too
2014-04-07T17:00:14 < karlp> Claude: yeah, the mounting requirements of lots of soms suck though
2014-04-07T17:00:56 < Claude> ah not as chip i mean , as dev board
2014-04-07T17:01:23 < Claude> don't want to solder a 500+ balls bga :)
2014-04-07T17:02:00 < zyp> you don't have the balls for it?
2014-04-07T17:02:12 < Claude> hehe nope
2014-04-07T17:03:10 < Claude> okay "less than 200 euros" was a bit optimistic , but $299
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2014-04-07T18:17:51 < jonsowman> anyone know of a decent 2x5 0.05" pitch shrouded header, preferably from a uk supplier?
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2014-04-07T18:18:05 < jonsowman> the one on the BMP mini type of thing
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2014-04-07T18:18:35 < jpa-> doesn't your supplier have a search functionality?
2014-04-07T18:19:02 < jonsowman> of course, but I've not found anything decent
2014-04-07T18:19:10 < jonsowman> just wondering what people are using
2014-04-07T18:21:41 < SlaveToTheSauce_> ffc or bust
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2014-04-07T18:36:43 < trepidaciousMBR> Anyone know where the std periph lib for STM32F4XX is on st.com?
2014-04-07T18:38:03 < trepidaciousMBR> WTF is STM32Cube?
2014-04-07T18:38:34 < trepidaciousMBR> Oh for the love of god, I just want your shitty header files ST :(
2014-04-07T18:38:40 < trepidaciousMBR> Not some kind of graphical tool shit
2014-04-07T18:40:45 < SlaveToTheSauce_> http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1743/PF257901
2014-04-07T18:47:24 < elektrinis> st is well knows for bloatware.
2014-04-07T18:47:29 < elektrinis> known*
2014-04-07T18:48:04 < elektrinis> once tried to blink a led... it had like 30 megs of shit to do that..
2014-04-07T18:55:03 < Laurenceb__> lolz
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2014-04-07T19:06:04 < unrealex> why not try libopencm3?
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2014-04-07T19:13:35 < Steffanx> because gpl? :P
2014-04-07T19:15:06 < karlp> lgpl please.
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2014-04-07T19:18:44 < unrealex> directly from wiki "The LGPL allows developers and companies to use and integrate LGPL software into their own (even proprietary) software without being required (by the terms of a strong copyleft) to release the source code of their own software-parts"
2014-04-07T19:19:42 < unrealex> if you are worried that someone is going to ask source from your "blackbox"
2014-04-07T19:19:56 < karlp> it's not that simple unrealex
2014-04-07T19:20:05 < Laurenceb__> http://www.b3tards.com/u/eca1730e71d6a6147a79/monga.jpg
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2014-04-07T19:20:17 < karlp> it does also require that you make it possible at least to allow people to replace the lgpl portions with their own versions
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2014-04-07T19:23:36 < unrealex> LGPL only guarantees the freedom of the LGPL part, so the part that is proprietary remains closed source. right?
2014-04-07T19:27:05 < jpa-> yet you cannot really protect it as fully when you need to comply with LGPL
2014-04-07T19:27:22 < jpa-> for example, code readout protection comes pretty useless when you need to distribute relinkable binaries
2014-04-07T19:27:44 < jpa-> let alone potted electronics with kill wires
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2014-04-07T19:28:40 < gnomad> so you can't use LPGL code on a micro and then blow the read-protect fuse?
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2014-04-07T19:29:00 < karlp> not unless it has a link exception clause, or you're ok with violations that can't be detected :)
2014-04-07T19:29:37 < jpa-> gnomad: sure you can, but you still need to provide a relinkable binary file; so pretty useless
2014-04-07T19:29:55 < jpa-> even if you do not blow read-protect, you need to provide relinkable binary
2014-04-07T19:30:07 < jpa-> dunno how this would apply to one-time programmable chips :)
2014-04-07T19:30:24 < karlp> "you're free to relink it as often as you want" :)
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2014-04-07T19:30:33 < gnomad> and that re-linkable binary must include your proprietary code?
2014-04-07T19:30:40 < RaYmAn> I'm pretty sure only GPLv3 actually requires being able to program the relinked binary on the device =P
2014-04-07T19:30:41 < jpa-> of course
2014-04-07T19:31:04 < jpa-> RaYmAn: indeed.. so does that make it illegal to use gpl'd code on otp devices? :)
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2014-04-07T19:31:40 < unrealex> if you dont provide source. right?
2014-04-07T19:31:58 < jpa-> even if you do
2014-04-07T19:32:03 < jpa-> tivoization etc.
2014-04-07T19:32:17 < RaYmAn> unrealex: iirc GPLv3 has an anti-tivoization clause that requires being able to replace the firmware on a GPLv3 device
2014-04-07T19:32:35 < karlp> and this is why no-body likes the gplv3
2014-04-07T19:32:39 < RaYmAn> probably one of the main reasons the linux kernel is GPLv2 explicitly (with no provisions for upgrading)
2014-04-07T19:32:45 < unrealex> ok, thanks for the clarification
2014-04-07T19:33:17 < karlp> so yeah, libopencm3 is totally inappropraite for some people, and not nearly as open as it arguably should be to keep the name :)
2014-04-07T19:33:46 < unrealex> its a shame :(
2014-04-07T19:33:48 < jpa-> "But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM)."
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2014-04-07T19:33:55 < jpa-> ah, they took it into account
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2014-04-07T19:34:40 < jpa-> RaYmAn: well there is no way to convert linux kernel to gplv3 anyway, so it does not depend on content of gplv3 much at all
2014-04-07T19:35:03 < RaYmAn> yeah, but that was explicitly choosen at some point
2014-04-07T19:35:13 < jpa-> yes, before gplv3 existed
2014-04-07T19:35:18 < RaYmAn> GPL by default specifies "this version or any later version"
2014-04-07T19:35:23 < RaYmAn> I suppose that's a good point
2014-04-07T19:35:49 < jpa-> which puts a lot of trust in fsf
2014-04-07T19:35:59 < RaYmAn> I guess Linux didn't trust fsf much :P
2014-04-07T19:36:09 < karlp> they did, they just don't any more :)
2014-04-07T19:37:39 < jpa-> bah.. i should write docs
2014-04-07T19:37:43 < jpa-> don't feel like writing docs
2014-04-07T19:38:21 < jonsowman> probably not looking in the right place, but pinout for the blackmagic probe?
2014-04-07T19:42:44 < Steffanx> sorry karlp, lgpl :P
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2014-04-07T20:50:01 < BrainDamage> laurenceb grade link: https://petitions.whitehouse.gov/petition/imprison-all-white-people/g5N7w1bv
2014-04-07T20:59:51 < unrealex> lol, April 1's has already passed
2014-04-07T20:59:57 < Steffanx> "The Supreme Court ruled ruled" ...
2014-04-07T21:03:45 < Steffanx> They could also deport them to Alaska. Get the other petition done and give Alaska back to russia
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2014-04-07T21:48:16 < __rob> anyone know of a Zigbee stack for stm32w ?
2014-04-07T21:48:41 < __rob> looks like the Ember ZNet one is no longer available
2014-04-07T21:49:12 < Fleck> stack it up!
2014-04-07T21:49:38 < __rob> what ?
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2014-04-07T21:58:52 < chris_99> i just ordered a fair few Zigbee devices that i'm hoping to get working with stm32
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2014-04-07T22:13:26 < qyx_> btw i am also interested in it
2014-04-07T22:13:33 < qyx_> didn't find anything usable
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2014-04-07T22:39:57 < karlp> chris_99: what devices?
2014-04-07T22:41:19 < Tectu> yes
2014-04-07T22:41:37 < Fleck> ;p
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2014-04-07T22:55:26 < chris_99> one tick ill find the ones i ordered
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2014-04-07T22:58:18 < chris_99> karlp, http://uk.farnell.com/digi-international/xbp24bz7witb003j/zigbee-mod-xbee-pro-prog-wire-ant/dp/1961556
2014-04-07T22:58:39 < chris_99> supposedly it supports the zigbee pro protocol
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2014-04-07T23:50:15 < dongs> dickbee
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2014-04-07T23:53:35 < scrts> dongbee
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--- Day changed Tue Apr 08 2014
2014-04-08T00:00:52 < dongs> status
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2014-04-08T00:02:40 < gxti> maximum fail
2014-04-08T00:02:59 < dongs> im feeling even lazier than usual on vacation
2014-04-08T00:03:15 < gxti> are you still in alaska and if so why the hell are you still in alaska
2014-04-08T00:03:23 < dongs> yes and im here for another week+
2014-04-08T00:05:18 < Thorn> anyone read this book? http://www.amazon.com/Small-Unmanned-Aircraft-Theory-Practice/dp/0691149216
2014-04-08T00:06:09 < dongs> sounds pretty boring
2014-04-08T00:06:16 < dongs> holy cocks $80
2014-04-08T00:06:23 < dongs> that shit better be amazing
2014-04-08T00:06:39 < dongs> heh i saw some fat american in 1st class
2014-04-08T00:06:41 < dongs> with a kindle
2014-04-08T00:06:55 < dongs> but as I kept going towards alaska, shit was getting more and more gheto
2014-04-08T00:07:09 < dongs> on the flight to Nome I saw some eskimos playing a DVD(!) in a portable dvd player
2014-04-08T00:07:16 < Thorn> it's also not available online if you know what I mean
2014-04-08T00:08:11 < dongs> my pal might know if it is
2014-04-08T00:08:29 < dongs> thats gotta be a school book or something
2014-04-08T00:08:32 < dongs> why the hel lis it so expensive
2014-04-08T00:09:39 < dongs> wtf why is dell 4k $1.2k now
2014-04-08T00:09:44 < dongs> i thoguht it was like 800 $ :(
2014-04-08T00:09:53 < Thorn> this is the website http://uavbook.byu.edu/doku.php
2014-04-08T00:10:13 < dongs> dokuwiki :|
2014-04-08T00:10:44 < gxti> i wonder if beagleboners are going to come out with a competing module thingy now, i would actually use that probably
2014-04-08T00:10:55 < dongs> what module thingy
2014-04-08T00:11:11 < gxti> http://makerflux.com/raspberry-pi-foundation-announce-the-compute-module/
2014-04-08T00:11:39 < gxti> take the worst part of the shartberry pi and turn it into a module
2014-04-08T00:12:01 < dongs> ugh
2014-04-08T00:12:06 < gxti> i knew you'd like it
2014-04-08T00:12:20 < dongs> oh god and the breakout boards for them
2014-04-08T00:12:47 < gxti> well yeah
2014-04-08T00:13:03 < gxti> how else are 'makers' gonna use it, only pros know how to route fine pitch connectors
2014-04-08T00:13:12 < dongs> not sure what the hell they mean by "compute"
2014-04-08T00:13:20 < dongs> isnt processor on that thing practically worthless
2014-04-08T00:13:27 < dongs> i thought it was some gpu thing addon for shitberry
2014-04-08T00:13:43 < dongs> this solves a problem for ???
2014-04-08T00:13:45 < gxti> that's what i assumed from the name, but no. it's compute for other people's shits.
2014-04-08T00:13:59 < gxti> for all rpi's failings it is at least one of the faster platforms
2014-04-08T00:14:09 < gxti> for the price, anyway
2014-04-08T00:15:04 < gxti> especially if you want to do anything with the gpu. but if beagleboner did something similar with ram + flash i'd use it for some things anyway.
2014-04-08T00:15:29 < gxti> because i'm lazy and don't want to layout all that crap
2014-04-08T00:15:40 < gxti> and pay for boards that let me do it
2014-04-08T00:15:53 < dongs> right
2014-04-08T00:16:03 < dongs> better idea: just make that thing for beagleboner
2014-04-08T00:16:04 < dongs> and sell it
2014-04-08T00:16:08 < dongs> !!!
2014-04-08T00:16:13 < dongs> to pros who refuse to use trollberrypi
2014-04-08T00:16:20 < gxti> too much demand, i have no interest in foxconning for the rest of my life
2014-04-08T00:16:49 < gxti> and it's only useful if it's cheap
2014-04-08T00:17:27 < englishman> who the fuck cares if its useful
2014-04-08T00:18:06 < gxti> if it doesn't need to be useful then may as well just buy the rpi one
2014-04-08T00:18:09 < gxti> problem solved
2014-04-08T00:19:03 < SlaveToTheSauce_> i see this as more of a "shit, sales are slowing down and we still have 50 trays of the soc" thing
2014-04-08T00:20:47 < dongs> i doubt idiotberrypi sales are slowing
2014-04-08T00:21:04 < gxti> likewise
2014-04-08T00:21:23 < dongs> https://www.kickstarter.com/projects/alexklein/kano-a-computer-anyone-can-make these clowns are singlehandedly keeping entire pi foundation funded and alive
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2014-04-08T00:24:36 < BrainDamage> sauce at infinite power: http://heartbleed.com/
2014-04-08T00:24:44 < dongs> https://www.kickstarter.com/projects/1236181632/usb2go-android-devices-everywhere-arduino-extendab?ref=category at least this shit is failing
2014-04-08T00:24:50 < dongs> first tarduino project not to succeed
2014-04-08T00:26:05 < dongs> https://www.kickstarter.com/projects/1278932459/glory-to-god-for-his-grace?ref=category why the fuck is this in technology section
2014-04-08T00:26:19 < dongs> wait WHAT $2mil
2014-04-08T00:29:05 < dongs> https://www.kickstarter.com/projects/39240967/cnc-to-3d-printer?ref=category
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2014-04-08T01:12:19 < Steffanx> Thorn awake?
2014-04-08T01:12:34 < Thorn> I am
2014-04-08T01:12:49 < Steffanx> this book
2014-04-08T01:13:21 < Steffanx> using some google-fu you can actually find it. Or at least some (probably) early version
2014-04-08T01:14:56 < Thorn> I only found slides
2014-04-08T01:16:38 < Steffanx> The auther seems to use it in one of his classes.. and google indexed it i guess
2014-04-08T01:19:17 < Steffanx> *author
2014-04-08T01:27:59 < dongs> authorage
2014-04-08T01:29:40 < Steffanx> he probably will, but the book looks pretty nic
2014-04-08T01:29:42 < Steffanx> e
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2014-04-08T01:32:33 < Sector_0> hey guys
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2014-04-08T02:10:50 < emeb> anyone ever get PCBs made at hackvana?
2014-04-08T02:15:31 < gxti> yep
2014-04-08T02:17:33 < gxti> good quality, great price, lots of choices. turn time is good but it ships from china so unless you pay out the ass for DHL it'll show up when it feels like it. and the silkscreen is crummy but that's usually not important.
2014-04-08T02:17:58 < gxti> not super crummy, just the usual stuff not hi-res
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2014-04-08T02:18:18 < Thorn> it's a one man show?
2014-04-08T02:18:50 < gxti> yes but he's not actually handling any boards
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2014-04-08T02:33:26 < Thorn> https://www.youtube.com/watch?v=KrnDIdMR64w ~0:15
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2014-04-08T03:02:12 < sinth> Thorn: list of all of those video urls please
2014-04-08T03:03:02 < Thorn> ELEC301x on edx.org
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2014-04-08T03:10:22 < ds2> it is so nice when switchers just "work"
2014-04-08T03:13:08 < zyp> don't they usually?
2014-04-08T03:13:26 < ds2> my luck with switchers based on Maxim chips is about 50%
2014-04-08T03:13:31 < ds2> so no...
2014-04-08T03:13:35 < ds2> but this is a non maxim based design
2014-04-08T03:14:38 < gxti> they usually just "work" but getting them to work "well" is the problem
2014-04-08T03:15:09 < ds2> heh
2014-04-08T03:15:23 < ds2> the good thing is the requirements for this is so loose
2014-04-08T03:15:30 < gxti> i.e. not barfing noise and EMI everywhere
2014-04-08T03:15:49 < ds2> the noise part is partially addressed by local LDOs all over
2014-04-08T03:16:13 < ds2> EMI is later..
2014-04-08T03:16:20 < gxti> always ;)
2014-04-08T03:16:39 < ds2> the switcher is a SOT-23 component so ther eisn't much to tweak
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2014-04-08T03:17:25 < gxti> there's always something to tweak. capacitor types and values, additional filtering and/or snubber
2014-04-08T03:18:48 < ds2> this is replacing a wall wart w/o much in the way of filteirng
2014-04-08T03:18:53 < ds2> so that isn't too critical
2014-04-08T03:22:22 < ds2> have other folks had better luck with Maxim power switchers?
2014-04-08T03:22:54 < zyp> I don't think I've used maxim before
2014-04-08T03:23:25 < gxti> it doesn't often turn up in my digikey searches, usually because i sort by price :p
2014-04-08T03:24:46 < ds2> they seem to have attractive specs
2014-04-08T03:25:00 < ds2> slightly higher output then stuff from other guys
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2014-04-08T03:42:52 < emeb> maxim is a weird place - one of my buddies used to work there.
2014-04-08T03:43:45 < emeb> they tend to do small runs of stuff - their catalog is huge, so when they go out of stock on something they wait until they get a big order before scheduling it thru the fab. That means a lot of the things that you see in their catalog is unobtainium.
2014-04-08T03:44:25 < emeb> Also, their prices are generally higher for similar functions than other guys.
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2014-04-08T03:49:46 < ds2> hmmm
2014-04-08T03:50:02 < ds2> but the few parts that are available is what don't seem to work
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2014-04-08T04:35:41 < xorm> maxim does some funny stuff
2014-04-08T04:35:52 < xorm> ICs that are /perfect/ for some particular application
2014-04-08T04:36:48 < xorm> i have a maxim switcher in the form of a thermoelectric cooler controller on a board somewhere
2014-04-08T04:36:57 < xorm> reference design works right off the bat
2014-04-08T04:37:17 < xorm> generally their stuff seems pretty straightforward to use
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2014-04-08T05:03:40 < timemob> ATMEGA8A-AU   ATM   13+  10K  US0.635  STK
2014-04-08T05:03:48 < timemob> lol... f0 is cheaper
2014-04-08T05:03:56 < timemob> for infinitely better mcu
2014-04-08T05:04:15 < timemob> such fail. fuck atmel.
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2014-04-08T05:04:27 < GargantuaSauce> but muh dips
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2014-04-08T05:08:15 < timemob> heh
2014-04-08T05:08:17 < timemob> no way
2014-04-08T05:08:30 < timemob> that's a qfp version anyway
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2014-04-08T05:11:43 < englishman> whoa
2014-04-08T05:11:45 < englishman> not even kidding
2014-04-08T05:20:42 < timemob> which part
2014-04-08T05:25:00 -!- emeb [~ericb@ip68-2-121-228.ph.ph.cox.net] has quit [Quit: Leaving.]
2014-04-08T05:25:56 < englishman> tssop is cheaper fo sho but digikey qfp gives it a run for its money even in canada
2014-04-08T05:26:24 < timemob> f0?
2014-04-08T05:26:44 < timemob> link
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2014-04-08T05:29:38 < xorm> as someone who came from atmel land i'm totally blown away by how capable stm32s are
2014-04-08T05:30:50 < englishman> http://www.digikey.com/product-search/en?FV=fff40027%2Cfff800cd&k=stm32f0&mnonly=0&newproducts=0&ColumnSort=1000011&page=1&stock=1&pbfree=0&rohs=0&quantity=10000&ptm=0&fid=0&pageSize=25
2014-04-08T05:31:05 < Bird|otherbox> yeah, the stm32s are awesome
2014-04-08T05:31:17 < Bird|otherbox> I just wish the M3 and M4 parts weren't saddled with a defective-by-design WWDT
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2014-04-08T05:32:01 < gxti> the problem with the low-end stuff tends to be the lack of RAM but i guess coming from 16-bit land (or god help you 8-bit land) you can still do the same bare-metal stuff. i haven't done any sort of comparison on code size though.
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2014-04-08T05:32:49 < Bird|otherbox> gxti: yeah
2014-04-08T05:32:58 < Bird|otherbox> being short on RAM is really nasty for some things
2014-04-08T05:33:14 < Bird|otherbox> (like having to juggle large I/O buffers)
2014-04-08T05:33:20 < gxti> 32K of flash will go a long way, 4K of RAM not so much
2014-04-08T05:33:57 < gxti> but again not really worse than 16-bit
2014-04-08T05:36:09 < timemob> I'm pretty sure any f0 will blow atmega8a
2014-04-08T05:36:24 < timemob> even if it only has 1k of team o
2014-04-08T05:36:28 < timemob> err ram
2014-04-08T05:45:09 -!- amstan [~alex@aichallenge/admin/amstan] has quit [Quit: Konversation terminated!]
2014-04-08T05:55:35 < munki_> http://i.imgur.com/fMORSn2.png
2014-04-08T05:55:37 < munki_> here it is
2014-04-08T05:56:14 < munki_> how does that bad boy look
2014-04-08T05:56:57 < timemob> eagle?
2014-04-08T05:56:59 < timemob> what the fuck
2014-04-08T06:05:24 < munki_> what's wrong with eagle m8
2014-04-08T06:05:56 < timemob> everything?
2014-04-08T06:06:08 < timemob> such newb shit
2014-04-08T06:06:12 < munki_> yea no kidding
2014-04-08T06:06:24 < munki_> i have never made a schematic on a computar before
2014-04-08T06:08:49 < dongs> eagle is for DIP pros
2014-04-08T06:09:10 < emeb_mac> DIP all the things!
2014-04-08T06:09:23  * emeb_mac was using DIPTrace all weekend
2014-04-08T06:09:43 < dongs> nice
2014-04-08T06:09:55 < dongs> im trying to use altium but im on vacation
2014-04-08T06:09:59 < dongs> cant get motivated
2014-04-08T06:10:11 < emeb_mac> whoa - dong-cation
2014-04-08T06:10:40 < englishman> hes in his fortress of solitude
2014-04-08T06:13:10 < dongs> dongitude
2014-04-08T06:15:31 < emeb_mac> fortress of privacy: https://screen.yahoo.com/ambiguously-gay-duo-fortress-privacy-000000518.html
2014-04-08T06:31:22 < dongs> fuck
2014-04-08T06:31:23 < dongs> so bored
2014-04-08T06:32:50 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has quit [Ping timeout: 255 seconds]
2014-04-08T06:33:19 < emeb_mac> you need a nice portable project
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2014-04-08T06:34:29 < dongs> i brought projects with me.
2014-04-08T06:34:31 < dongs> just dont wanna work on them
2014-04-08T06:35:52 < emeb_mac> there's always trolling
2014-04-08T06:36:08 < dongs> ya gonna load up dickstarter
2014-04-08T06:36:21 < dongs> or maybe indiegogo
2014-04-08T06:39:31 < dongs> https://www.indiegogo.com/projects/healbe-gobe-the-only-way-to-automatically-measure-calorie-intake/piad haha
2014-04-08T06:39:59 < dongs> https://www.indiegogo.com/projects/gamebuino-an-arduino-handheld-console/piad waat
2014-04-08T06:40:08 < englishman> haha that healbe one
2014-04-08T06:40:12 < englishman> see where it says san fran shit
2014-04-08T06:40:18 < englishman> its actually russian scammers
2014-04-08T06:40:28 < emeb_mac> that healbe is a hot one
2014-04-08T06:40:44 < emeb_mac> "real" medical device designers are skeptical that it can work
2014-04-08T06:40:57 < englishman> lol full of comments asking for refunds
2014-04-08T06:41:00 < englishman> too late, retards
2014-04-08T06:41:04 < englishman> wat
2014-04-08T06:41:06 < englishman> skeptical
2014-04-08T06:41:08 < englishman> it is impossible
2014-04-08T06:41:23 < englishman> measure glucuse thru the skin???
2014-04-08T06:41:32 < englishman> millions of diabetics would be all over that shit
2014-04-08T06:41:41 < englishman> and a couple russian scammers came up with it?
2014-04-08T06:41:42 < englishman> lol.
2014-04-08T06:41:51 < dongs> Artem Shipitsin said 6 hours ago
2014-04-08T06:41:52 < dongs> haha
2014-04-08T06:41:56 < dongs> what a hilarious name
2014-04-08T06:41:56 < englishman> then there's the detecting what you ate based on blood glucose.... no
2014-04-08T06:41:59 < dongs> artem shitpin
2014-04-08T06:43:37 < dongs> Happy Friday!
2014-04-08T06:43:37 < dongs> We've added more information to our page. Please take a moment to review the new History & Technology section.
2014-04-08T06:43:40 < dongs> Thank you so much for your ongoing support and encouragement!
2014-04-08T06:43:42 < dongs> Now.s the time to GoBe You!
2014-04-08T06:43:43 < dongs> haha, now's the time to gobe you
2014-04-08T06:43:46 < dongs> more like now's the time to scam you
2014-04-08T06:54:29 < dongs> https://www.indiegogo.com/projects/t-bone-cape/piad
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2014-04-08T06:57:17 < dongs> https://www.indiegogo.com/projects/fertility-tracking-simply-for-everyone/piad jew technology
2014-04-08T06:57:59 < dongs> https://www.indiegogo.com/projects/riftup/piad haha rozsnyo is scamming up
2014-04-08T06:58:36 < dongs> another thing i am missing out on
2014-04-08T07:00:18 < dongs> damnit
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2014-04-08T07:16:45 < dongs> lol
2014-04-08T07:16:49 < dongs> i had that voard designed in nov 2013
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2014-04-08T08:43:47 < ds2> arrrrggg..... I hate video
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--- Log opened Tue Apr 08 12:44:22 2014
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2014-04-08T12:44:31 -!- ServerMode/##stm32 [+o ChanServ] by asimov.freenode.net
2014-04-08T12:44:31 -!- ServerMode/##stm32 [+bbbb *!*@91.121.182.141 *!*@*76-169-33-142* *!*@*.76.169.33.142 *!tectu@2a01:4f8:100:4323:4f8:4f8:0:6e] by asimov.freenode.net
2014-04-08T12:44:31 -!- asimov.freenode.net changed the topic of ##stm32 to:  STM32 | This channel is publicly logged ( http://xob.kapsi.fi/~jpa/stm32/ ) | GCC example project: https://github.com/EliasOenal/TNT_Example (Blinky lights, linkerscript, startup code and working malloc) | Join us building the ##stm32 toolchain: https://github.com/EliasOenal/TNT (now with multilib) | Wiki: http://stm32.izua.ro/wiki/Main_Page | | Don't ask to ask
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2014-04-08T13:46:10 < Laurenceb__> http://swns.com/news/female-paedophile-21-jailed-sex-eight-year-old-boy-45990/
2014-04-08T13:46:13 < Laurenceb__> cant fap to this
2014-04-08T13:46:35 -!- tp [~tp@ppp59-167-172-238.static.internode.on.net] has left ##stm32 ["Up up and away!"]
2014-04-08T13:46:39 < Laurenceb__> is it wifecop?
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2014-04-08T15:20:29 < Laurenceb__> http://www.b3tards.com/u/253cc45751cc3e120e8d/yif_cream.jpg
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2014-04-08T18:14:00 < synic> welp, I got a BMP, but I didn't order a cable with it.  I didn't know it was this dinky 10pin connector. DMP is much smaller than I thought
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2014-04-08T18:18:09 < __rob> Anyone have "STM32W EmberZNet Firmware Package V4.3.0.zip" tucked away somewhere
2014-04-08T18:18:09 < madist> mini-JTAG ?
2014-04-08T18:18:11 < __rob> ?
2014-04-08T18:18:26 < __rob> seems since silicon labs bought ember this file has been removed
2014-04-08T18:18:51 < synic> madist: I guess that's what it is.  10pin, really small
2014-04-08T18:19:12 < synic> these tag-connect cables look pretty cool
2014-04-08T18:19:15 < synic> expensive though
2014-04-08T18:19:33 < Miek> the 10pin connectors are surprisingly pricey too
2014-04-08T18:20:28 < madist> there is an alternative. there's another connecter that fits the same male socket. I don't know its name but its like the 0.1" headers ? but smaller.
2014-04-08T18:21:03 < zyp> synic, yes, they are nice
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2014-04-08T18:38:25 < englishman> Miek: the male pins?
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2014-04-08T18:48:54 < Miek> englishman: the little ribbon cables
2014-04-08T18:50:26 < englishman> ah yeha
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2014-04-08T18:53:19 < synic> is there no standard for just the SWD connections?  I mean, if you really only need two pins and ground
2014-04-08T18:54:21 < zyp> depends what you're doing
2014-04-08T18:54:57 < zyp> you might want a vref for voltage translation, swo for trace and the reset line
2014-04-08T18:55:41 < zyp> might as well standardize on a connector with everything you might need then
2014-04-08T18:55:53 < synic> I spose :)
2014-04-08T18:56:25 < zyp> I'm kinda annoyed by the fact that there are two common tag connect footprints used
2014-04-08T18:56:38 < synic> with and without legs?
2014-04-08T18:56:46 < zyp> no, 6 vs 10 pins
2014-04-08T18:56:52 < synic> ah
2014-04-08T18:57:40 < zyp> tag connect has defined a 6-pin footprint for cortex, but there's also vendors using the 10-pin footprint with pinout like the standard 10-pin connectors
2014-04-08T18:59:03 < synic> sounds like tag-connect is pretty popular then?  Maybe I'll just grab one of those
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2014-04-08T19:16:14 < Thorn> "poles and zeros are VIPs (very important points)"
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2014-04-08T19:17:26  * SlaveToTheSauce_ transforms Thorn into the s-domain
2014-04-08T19:18:03 < Thorn> like http://xkcd.com/26/ ?
2014-04-08T19:18:26 < SlaveToTheSauce_> just a moment.
2014-04-08T19:19:16 < Thorn> what's that high frequency peak btw
2014-04-08T19:19:50 < SlaveToTheSauce_> the fur?
2014-04-08T19:20:17 < Thorn> maybe
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2014-04-08T19:20:41 < SlaveToTheSauce_> or the pointy ears
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2014-04-08T20:08:12 < Laurenceb__> http://pic.epicfail.com/wp-content/uploads/2014/04/face-painting-traumatized.jpg
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2014-04-08T20:20:23 < gxti> stlink style 6-pin header is another option, i usually put that and tag connect on my boards (or just tag if it's for my own use only). and the pins on stlink are arranged so you can get it down to just the 3 if you want, although i'd recommend keeping everything but swo as a failsafe.
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2014-04-08T22:10:13 < dongs> https://www.indiegogo.com/projects/miracle-health-bracelet-vaguely-track-your-health-fitness-and-more/
2014-04-08T22:10:16 < dongs> gr8 dickstarter
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2014-04-08T22:12:24 < zyp> dongs, say, doesn't koreaguys want payment for PCBA? I don't believe I've paid for the latest run of boards yet
2014-04-08T22:12:54 < dongs> i would imagine so
2014-04-08T22:12:58 < dongs> ut i think its liek past midnight there
2014-04-08T22:13:04 < dongs> did you get your shit yet
2014-04-08T22:13:11 < zyp> arriving tomorrow
2014-04-08T22:13:16 < dongs> cool
2014-04-08T22:13:37 < dongs> ill poke them
2014-04-08T22:13:45 < dongs> those clowns managed to lose like $300 of reels on my last assembly
2014-04-08T22:13:58 < zyp> heh
2014-04-08T22:14:01 < dongs> doing repeat jobs tehre is aids
2014-04-08T22:14:07 < dongs> because they swap the parts out and "forget" some of the stuff
2014-04-08T22:14:14 < dongs> i mean repeat with keeping stock between jobs
2014-04-08T22:17:03 < Steffanx> best korea?
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2014-04-08T22:38:53 < Fleck> morning!
2014-04-08T22:41:06 < Steffanx> Yo.
2014-04-08T22:48:27 -!- Robint91 [~Robin@dD5776E9E.access.telenet.be] has joined ##stm32
2014-04-08T22:48:30 < Robint91> hi all
2014-04-08T22:48:47 < Steffanx> Lo mr Robint91
2014-04-08T22:50:20 < Robint91> how goes?
2014-04-08T22:50:25 < Robint91> any news here?
2014-04-08T22:50:30 < Robint91> about new st stuff
2014-04-08T22:51:02 < zyp> I'm still waiting for stm32f072 availability
2014-04-08T22:51:10 < dongs> motherfucker i hatea microUSB cables
2014-04-08T22:51:17 < dongs> ~500 insertions and shit is fucking dead
2014-04-08T22:51:46 < qyx_> you are expecting too much from consumer stuff
2014-04-08T22:52:45 < SlaveToTheSauce_> why is that a problem when they're available for <$1?
2014-04-08T22:53:45 < SlaveToTheSauce_> (but i agree, mini-b is way better except for bigness)
2014-04-08T22:54:06  * Robint91 just farted
2014-04-08T22:54:14 < qyx_> mini-b?
2014-04-08T22:54:19 < Robint91> it stinks
2014-04-08T22:54:27 < zyp> SlaveToTheSauce_, because the socket wearing out is better than the cable wearing out
2014-04-08T22:54:30 < zyp> ?
2014-04-08T22:54:49 < SlaveToTheSauce_> sure it wears out but you certainly get more insertions out of it
2014-04-08T22:55:05 < SlaveToTheSauce_> out of a given cable-connector pair imean
2014-04-08T22:55:11 < SlaveToTheSauce_> that is a valid point though
2014-04-08T22:55:23 < zyp> I believe micro is rated for more than mini
2014-04-08T22:55:27 < fbs> ^
2014-04-08T22:55:40 < qyx_> i would ban mini-b
2014-04-08T22:55:42 < zyp> in addition to moving the wearable parts
2014-04-08T22:55:44 < qyx_> noone shoud use that
2014-04-08T22:55:51 < fbs> why not?
2014-04-08T22:56:21 < qyx_> i think it behaves like weared out even when its new
2014-04-08T22:56:31 < Steffanx> i guess im the only one who doesnt have real issues with any usb connector type
2014-04-08T22:57:18 < qyx_> me too.. except minib
2014-04-08T22:57:20 < fbs> anyone tried writing a custom ethernet stack for the f4x7?
2014-04-08T22:57:35 < SlaveToTheSauce_> i don't think i've had any sockets fail, just plugs, both mini and micro and usually because i stepped on them
2014-04-08T22:57:40 < Robint91> fbs, did once
2014-04-08T22:57:47 < Robint91> fbs, doesn't went well
2014-04-08T22:57:50 < zyp> fbs, I've considered doing it
2014-04-08T22:57:51 < fbs> :p
2014-04-08T22:57:59 < qyx_> fbs: steal something instead
2014-04-08T22:58:00 < qyx_> eh
2014-04-08T22:58:04 < qyx_> *get inspired
2014-04-08T22:58:10 < fbs> doing that
2014-04-08T22:58:15 < Robint91> fbs, TCP is just a gaint cluster fuck we all started to love
2014-04-08T22:58:21 < fbs> its a lot of bits to set
2014-04-08T22:58:27 < qyx_> you mean eth or tcp/ip?
2014-04-08T22:58:36 < fbs> just getting mac + phy
2014-04-08T22:58:37 < Robint91> fbs, do not follow lwip
2014-04-08T22:58:42 < qyx_> theres not much stacking in ethernet
2014-04-08T22:58:47 < Robint91> shitty lib
2014-04-08T22:59:31 < Steffanx> arguments...
2014-04-08T22:59:35 < fbs> just started figuring out what https://github.com/libopencm3/libopencm3/blob/master/lib/ethernet/mac_stm32fxx7.c does
2014-04-08T23:00:21 < SlaveToTheSauce_> zyp if you get the ball rolling with a  eth implementation in laks i would potentially contribute chunks of the IP stack
2014-04-08T23:00:49 < Robint91> http://www.youtube.com/watch?v=BigolJfoANw
2014-04-08T23:00:58 < SlaveToTheSauce_> wait there is a bit already isnt there
2014-04-08T23:01:05 < zyp> just registers
2014-04-08T23:02:53 < Robint91> http://i.imgur.com/TrOjdeR.png bleh
2014-04-08T23:03:27 < Robint91> http://i.imgur.com/YKoLQBQ.png
2014-04-08T23:03:31 < Robint91> still simulating
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2014-04-08T23:04:46 < Robint91> http://imgs.xkcd.com/comics/compiling.png <- this should be "My layout is being simulated with 3D EM FEM"
2014-04-08T23:05:28 < Robint91> +1 for who can guess what I'm making
2014-04-08T23:05:46 < Robint91> the circuit uses only 1 active component
2014-04-08T23:05:49 < Robint91> a varactor
2014-04-08T23:05:55 < fbs> tractor
2014-04-08T23:07:28 < Robint91> nope
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2014-04-08T23:15:40 < zyp> SlaveToTheSauce_, http://cgit.jvnv.net/laks_demo/tree/main.cpp?h=ethernet <- I did some dicking around once, but I didn't get it to do anything useful before I got bored with it and found something else to do
2014-04-08T23:17:21 < SlaveToTheSauce_> yeah ok
2014-04-08T23:17:47 < zyp> I think maybe I got reception working
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2014-04-08T23:48:40 < gxti> fbs: i wrote a custom driver but used lwip for the actual ip impl
2014-04-08T23:50:31 < zyp> hmm, wonder how I should handle memory allocation if I did a stack
2014-04-08T23:51:02 < gxti> i basically ended up cloning what chibios did with a fixed buffer pool but the smart implementation would share buffers with lwip and end up zero-copy
2014-04-08T23:51:10 < gxti> just haven't gotten around to it yet
2014-04-08T23:51:24 < zyp> my usb stack doesn't use any dynamic memory at all, I think that would be harder to get away with on a tcp/ip stack
2014-04-08T23:52:22 < gxti> it's a fixed size and purpose pool, no heap. i don't think you can do any more than that.
2014-04-08T23:53:21 < gxti> dma wants to scribble on stuff as soon as it starts coming in so you need room for at least two complete packets (for some value of 'complete')
2014-04-08T23:53:39 < zyp> yeah
2014-04-08T23:54:09 < gxti> the improvement would be to use a lwip-provided buffer for the dma, but managing who owns each buffer when is tricky
2014-04-08T23:54:29 < zyp> in my usb stack, there are hardware-managed buffers for each endpoint
2014-04-08T23:54:39 < zyp> dma buffers would also classify as that, I guess
2014-04-08T23:55:59 < gxti> it would also be nice to not have to allocate a complete 1500 byte buffer for every incoming packet just in case, and the dma supports that, i just haven't done it
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2014-04-08T23:57:01 < zyp> zerocopy on reception is easy, you get the entire frame in one buffer from hardware already so you just pass a reference to it up through the layers
2014-04-08T23:57:37 < zyp> transmission is a bit harder unless you have scatter-gather-DMA
2014-04-08T23:58:31 < gxti> which ethernet does
2014-04-08T23:59:48 < zyp> otherwise you could write the stack so that you pass a buffer request down the stack and fill the buffer from the bottom
--- Day changed Wed Apr 09 2014
2014-04-09T00:01:42 < zyp> another advantage of doing that is of course that you don't have to allocate multiple small buffers for each header
2014-04-09T00:02:54 < fbs> hmm
2014-04-09T00:03:48 < fbs> atm im just using 1 descriptor with a fixed buffer
2014-04-09T00:08:37 < gxti> you need at least 2 if you don't want to lose packets
2014-04-09T00:08:40 < gxti> but maybe that's ok
2014-04-09T00:09:28 < fbs> for now it
2014-04-09T00:09:30 < fbs> is
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2014-04-09T00:10:20 < gxti> here's mine, it's not pretty but it is straightforward and it works perfectly: https://github.com/mtharp/laureline-firmware/blob/master/lib/stm32/eth_mac.c
2014-04-09T00:11:43 < zyp> it's worth noting that the ethernet core used in stm32 is the standard synopsys ethernet core
2014-04-09T00:12:22 < zyp> the 100 Mb/s variant of it, that is
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2014-04-09T00:12:46 < fbs> gxti: cool
2014-04-09T00:14:00 < fbs> looks a bit similar to what i have
2014-04-09T00:17:18 < fbs> that synopsys core looks neat, ton of interfaces
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2014-04-09T00:17:50 < zyp> NXP is using the same in the lpc-range of chips
2014-04-09T00:18:02 < zyp> (at least lpc43xx)
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2014-04-09T00:20:59 < fbs> anyone happen to know about about (ethernet) stack design?
2014-04-09T00:21:09 < fbs> s/about/a book/
2014-04-09T00:25:44 < BJfreeman> fbs do a search on  ethernet design. lots of chip companies have app notes
2014-04-09T00:28:40 < fbs> will do
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2014-04-09T02:09:19 < Thorn> http://i.imgur.com/ISFvMLf.png
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2014-04-09T11:16:29 < scrts_w> ABLomas gal noresi ismegint: http://dirtypcbs.com/
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2014-04-09T11:30:36 < ABLomas> omw
2014-04-09T11:31:01 < scrts_w> nors iteadstudio dar labiau nusipigino: 9.90USD uz 2 layeriu 5x5cm
2014-04-09T11:31:05 < ABLomas> ;-)
2014-04-09T11:31:57 < dongs> dirtypcbs is same trash
2014-04-09T11:32:02 < dongs> as itead/shitstudio etc.
2014-04-09T11:32:32 < scrts_w> I've read that itead is good
2014-04-09T11:32:52 < scrts_w> except the silkscreen is sometimes drawn shitty
2014-04-09T11:32:58 < scrts_w> but the PCBs themselves are good
2014-04-09T11:33:35 < dongs> uhhh
2014-04-09T11:33:44 < dongs> unless itead fixed their drilling recently
2014-04-09T11:33:48 < dongs> it was complete garbage
2014-04-09T11:33:53 < dongs> if you subit a pcb with straight line of drills
2014-04-09T11:33:56 < dongs> youll get zigzags
2014-04-09T11:34:02 < dongs> and they dont hit center of viaslike ever
2014-04-09T11:34:57 < dongs> LPC1768FBD100,551 NXP 1K 13+  US3.50  STK
2014-04-09T11:35:20 < dongs> damn thts a good price
2014-04-09T11:35:29 < dongs> $5.6/10k ondigikey
2014-04-09T11:35:40 < scrts_w> where's that from?
2014-04-09T11:35:48 < dongs> some supplier spamlist im on
2014-04-09T11:36:05 < scrts_w> chinese?
2014-04-09T11:36:08 < dongs> yeah.
2014-04-09T11:37:10 < scrts_w> heh... some ppl ordered like 1k of these... they either fakes or such components where even silicon wasn't there :)
2014-04-09T11:37:18 < ABLomas> haha
2014-04-09T11:37:28 < dongs> well, sure. if you buy from stoners
2014-04-09T11:37:43 < scrts_w> so the only solution to go is - use PayPal
2014-04-09T11:37:47 < dongs> i havent had any issues, but I have suppliers check stuff and I dont buy obviously too cheap shit
2014-04-09T11:38:20 < dongs> when you ahve same part for $0.50 or $2 and most pricesa re aroudn $2, you know .50 is probably a roll
2014-04-09T11:38:44 < dongs> er, troll
2014-04-09T11:38:52 < scrts_w> does your supplier accept paypal?
2014-04-09T11:40:38 < dongs> http://www.molex.com/molex/products/datasheet.jsp?part=active/0476420001_IO_CONNECTORS.xml thats a weird microusb
2014-04-09T11:40:41 < dongs> of ourse
2014-04-09T11:41:34 < scrts_w> yep, then you can trust it
2014-04-09T11:42:02 < dongs> and they also dont mind picking up stuff from other local places
2014-04-09T11:42:04 < dongs> that dont do shitpal
2014-04-09T11:42:07 < dongs> and just adding it to my bill
2014-04-09T11:42:08 < dongs> quite nice.
2014-04-09T11:42:22 < scrts_w> can you name the supplier? :>
2014-04-09T11:42:25 < dongs> no
2014-04-09T11:42:25 < dongs> :)
2014-04-09T11:42:51 < scrts_w> meh
2014-04-09T11:42:55 < scrts_w> :)
2014-04-09T11:43:40 < DanteA> Why so?
2014-04-09T11:44:20 < DanteA> It's just a word
2014-04-09T11:44:29 < DanteA> Just a name
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2014-04-09T11:45:01 < dongs> meh, proper relationship to this kinda shit takes time to establish
2014-04-09T11:45:13 < dongs> ive got through a few people that eventually turned gay or started scamming etc
2014-04-09T11:45:43 < dongs> but its nice to have a few sources that I can crosscheck prices and make sure they're not trying to rip me off too badly
2014-04-09T11:46:49 < dongs> im getting a quote on 10k of STM8L151s for some pcba proj today.. i wonder what its gona be
2014-04-09T11:47:06 < scrts_w> DanteA: you can go through alibaba.com, quote for prices, check if they have paypal. If the prices are within reasonable range and they accept paypal - you can go for a shot. The worst can happen - you will get money back through paypal
2014-04-09T11:47:29 < dongs> never dealt with any alibaba shit. like 99% of htem dont speak english
2014-04-09T11:47:40 < dongs> i tried to buy a knockoff cellphone thre once
2014-04-09T11:47:47 < dongs> guy started trying to upsell to another shitty model
2014-04-09T11:47:58 < dongs> and then after wasting my time for an hour he said they dont do paypal and only some aliescrow trash
2014-04-09T11:48:01 < dongs> i was like what teh fuuuuuu
2014-04-09T11:48:34 < dongs> never dealt as in, never placed an actual order.
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2014-04-09T11:54:42 < DanteA> Looks like, you are brag, dongie
2014-04-09T11:54:53 < dongs> ^_^
2014-04-09T11:58:20 < scrts_w> I've recently ordered some stuff from there
2014-04-09T11:58:24 < scrts_w> accepted paypal
2014-04-09T11:58:29 < DanteA> And try to have a profit from generally accessible information
2014-04-09T11:58:34 < scrts_w> english wasn't very well, but still
2014-04-09T11:58:56 < scrts_w> I like their english names like Charity Liu or Winner Zhang
2014-04-09T11:58:57 < scrts_w> :)))
2014-04-09T11:59:09 < dongs> Winner
2014-04-09T11:59:14 < DanteA> Right? ^_^
2014-04-09T11:59:15 < dongs> Winter Zhang sounds like shit from ourpcb
2014-04-09T11:59:35 < dongs> or mayb eit was summer zhang
2014-04-09T11:59:37 < dongs> no, winter.
2014-04-09T12:01:42 < scrts_w> no, that was winner
2014-04-09T12:02:24 < dongs> thats even funnier
2014-04-09T12:08:30 < scrts_w> Winner Zhang, Loser Dong
2014-04-09T12:08:35 < scrts_w> lol, no offence :)
2014-04-09T12:08:42  * scrts_w kidding
2014-04-09T12:08:48 < scrts_w> ok coffee time!
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2014-04-09T12:29:08 < dongs> haha
2014-04-09T12:29:21 < dongs> < scrts_w> heh... some ppl ordered like 1k of these... they either fakes or such components where even silicon wasn't there :)
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2014-04-09T12:29:29 < dongs> got quote for a linear li-ion charger
2014-04-09T12:29:32 < dongs> $0.10
2014-04-09T12:29:40 < dongs> dk 2.5k price $1.8
2014-04-09T12:29:51 < dongs> yaaa, likely just receive a bag of crap @ that price
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2014-04-09T12:30:41 < dongs> like most of LTC parts in china are trollclones
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2014-04-09T12:33:47 < jpa-> lulwut, raspberry pi does not have an integer divide instruction? :D
2014-04-09T12:35:07 < dongs> hmm stm8l price is not very good
2014-04-09T12:35:12 < dongs> 1.64@5k
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2014-04-09T12:37:19 < dongs> this is for a battery powered shit but it has a motor and mcu only runs when motor runs
2014-04-09T12:37:26 < dongs> so i dont think the 'L' part is even needed
2014-04-09T12:37:40 < dongs> and its a mechanical onoff switch
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2014-04-09T13:16:02 < __rob> can anyone suggest what might be going on here ? https://www.youtube.com/watch?v=VHp3WukWM2c
2014-04-09T13:16:04 < __rob> totally confused
2014-04-09T13:16:11 < __rob> whether its the debugger, the chip or what
2014-04-09T13:16:21 < __rob> it never makes it to main()
2014-04-09T13:16:32 < __rob> and if you look in the video, gets stuck
2014-04-09T13:16:58 < __rob> "08000148	b.n	0x8000148 <start+112>"
2014-04-09T13:17:09 < __rob> running this forever
2014-04-09T13:18:43 < jpa-> so where does that code come from? is it platform init or crt0 or something?
2014-04-09T13:18:57 < __rob> its all default generated with emblocks
2014-04-09T13:19:03 < jpa-> and what is in that code?
2014-04-09T13:19:31 < jpa-> well it's still your problem, and it's just code, so debug it, no matter who generated it
2014-04-09T13:19:56 < __rob> http://codepad.org/8xZhHB60
2014-04-09T13:19:59 < __rob> thats the startup file
2014-04-09T13:20:14 < __rob> ARM default one
2014-04-09T13:20:26 < jpa-> which is the instruction that it is stuck on?
2014-04-09T13:21:55 < __rob> if you see the video, you see that it doesn't step through logically, the flash_to_ram_loop should keep looping round, and it doesn't
2014-04-09T13:21:59 < __rob> if I run then break into it again
2014-04-09T13:22:08 < __rob> it will be on "08000148	b.n	0x8000148 <start+112>"
2014-04-09T13:22:23 < __rob> "08000148 b.n 0x8000148 <start+112>"
2014-04-09T13:22:26 < jpa-> can't bother to watch videos
2014-04-09T13:22:29 < __rob> and loop on that forever
2014-04-09T13:23:11 < __rob> sure, its only 1 minute tho..
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2014-04-09T13:23:43 < __rob> and you'd be able to see the madness
2014-04-09T13:24:43 < jpa-> if instruction level stepping jumps around, it probably means a malfunctioning debugger system
2014-04-09T13:25:49 < __rob> thats frustrating
2014-04-09T13:25:57 < __rob> I get the same thing with OpenOCD aswell
2014-04-09T13:28:00 < __rob> I was given a few of these parts and was hoping they would be pretty cool... looking at the stuff provided from stm though its all expecting IAR to be used
2014-04-09T13:28:18 < jpa-> can you just do "display /i $pc" and "start" and then "stepi" until you hit the problem in gdb, and post the trace in pastebin?
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2014-04-09T13:45:39 < __rob> ok done..
2014-04-09T13:45:53 < Steffanx> dongs this dirtypcb, must be you
2014-04-09T13:45:55 < Steffanx> Stuff about our crappy PCB service
2014-04-09T13:46:03 < Steffanx> ... No bull, just crappy PCBs
2014-04-09T13:46:23 < Steffanx> and Laurenceb__ is one of your employees: "Contact a real, live dirty person for help"
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2014-04-09T13:48:46 < __rob> jpa- : http://codepad.org/yDMOEikQ
2014-04-09T13:53:21 < jpa-> ok.. let's take a look..
2014-04-09T13:54:22 < jpa-> so the instruction is indeed an infinite loop
2014-04-09T13:55:29 < __rob> any idea why ?
2014-04-09T13:55:35 < __rob> or where I can look to fix this
2014-04-09T13:55:46 < __rob> the startup script is so simple I can't see why its all breaking
2014-04-09T13:58:29 < jpa-> the startup script doesn't really seem to correspond to the code that is executing..
2014-04-09T13:58:49 < jpa-> i wonder what this initialise_monitor_handles() is
2014-04-09T13:59:26 < jpa-> i would look in the .map file to see where the jump at 0x8000122 comes from, and then track back from there
2014-04-09T13:59:42 < jpa-> it is deliberately jumping into infinite loop, probably because some error has happened
2014-04-09T13:59:50 < jpa-> like main returning or some exception
2014-04-09T14:00:12 < __rob> http://codepad.org/39T0Lfwl
2014-04-09T14:00:13 < __rob> thats the map
2014-04-09T14:01:32 < __rob> sorry, bad paste
2014-04-09T14:01:32 < __rob> http://codepad.org/erJpULxE
2014-04-09T14:02:12 < jpa-> uh... that looks pretty strange
2014-04-09T14:02:32 < jpa-> like it has discarded all your code
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2014-04-09T14:03:38 < jpa-> can you check    arm-none-eabi-size -t foobar.elf   to see how much code there is actually in the output file?
2014-04-09T14:07:14 < __rob> http://codepad.org/0m96c3HJ
2014-04-09T14:08:04 < jpa-> hmm, so it does not go away completely.. something is wrong about your .map file, though
2014-04-09T14:11:40 < jpa-> because it doesn't show any actualy addresses..
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2014-04-09T14:15:54 < __rob> I think codepad is clipping off the paste actually
2014-04-09T14:16:31 < __rob> http://pastebin.com/iddQpjHc
2014-04-09T14:17:00 < jpa-> ah, indeed
2014-04-09T14:17:48 < jpa-> so find source/assembler for  rdimon-crt0.o
2014-04-09T14:18:44 < jpa-> i wonder what rdimon is.. some debugger thingy?
2014-04-09T14:19:12 < jpa-> or semihosting?
2014-04-09T14:19:37 < __rob> mabye, I don't have semihosting enabled through
2014-04-09T14:19:41 < __rob> though*
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2014-04-09T14:20:37 < jpa-> it seems you may have compiled with it though.. and rdimon-crt0 gets angry for some reason and goes into infinite loop as a protest
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2014-04-09T14:27:42 < __rob> ok, thanks
2014-04-09T14:28:00 < __rob> this is a default project out of emblocks, might have to try it by hand and see if I can get it working
2014-04-09T14:28:48 < jpa-> yeah, i've never used emblocks, maybe there is some simple config switch that is wrong
2014-04-09T14:30:05 < __rob> not the end of the world if it doesn't work.. thes parts seem strange.. undocumented radio, and you have to use precompiled binaries to interface with it
2014-04-09T14:30:26 < __rob> which I don't even know will work, as officially its for IAR
2014-04-09T14:30:49 < jpa-> stm32w apparently is pretty annoying to work with, especially the NDA radio side
2014-04-09T14:30:51 < __rob> so I'm expecting it to all break when it tries to link to the supplied static libs ?
2014-04-09T14:31:27 < jpa-> not sure if the object formats are compatible, but if you can get the binary code out of it, it should be possible to call it
2014-04-09T14:31:49 < jpa-> because the calling convention is standard
2014-04-09T14:31:52 < __rob> yea
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2014-04-09T14:32:29 < __rob> ok, well if I can get it to even boot properly, then I'll give it a try
2014-04-09T14:33:02 < __rob> real shame they haven't done a better job
2014-04-09T14:33:20 < __rob> stm32 and radio all in 1 is a pretty cool idea
2014-04-09T14:33:47 < jpa-> yeah
2014-04-09T14:34:24 < __rob> but they've not even bothered writing their own zigbee pro stack since they had to remove ember's due to ember being bought by Silicon Labs
2014-04-09T14:35:14 < __rob> shows their commitment :/
2014-04-09T14:36:19 < jpa-> on the other hand, knowing ST's average code quality, it may be better that they haven't written a custom stack
2014-04-09T14:36:48 < __rob> indeed, but with an NDA radio.. your left high and dry
2014-04-09T14:37:27 < jpa-> yeah, NDA parts are stupid
2014-04-09T14:37:40 < __rob> should really have researched it properly before spending £20
2014-04-09T14:37:56 < __rob> think I'm just going to order some complete units that work over spi/uart/i2c or something
2014-04-09T14:38:18 < __rob> then use a regular stm part.. has to be a better solution
2014-04-09T14:41:15 < Steffanx> __rob is it work-related or just hobby bobbying?
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2014-04-09T15:04:32 < Robint91> yo yo yo
2014-04-09T15:04:35 < Robint91> how goes
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2014-04-09T15:30:29 < __rob> jpa- solved, thanks for the help
2014-04-09T15:31:00 < jpa-> __rob: what was it?
2014-04-09T15:31:20 < __rob> I don't really want to say
2014-04-09T15:31:31 < __rob> :)
2014-04-09T15:31:44 < jpa-> please :)
2014-04-09T15:31:57 < __rob> I was programming the wrong image with OpenOCD in some "After Connect" field in Emblocks
2014-04-09T15:32:00 < __rob> I had forgotten to change
2014-04-09T15:32:18 < jpa-> heh
2014-04-09T15:32:22 < __rob> really frustrating. I Was sure it was something actually complicated and wrong
2014-04-09T15:33:04 < __rob> also, the built in StLinkGDB he uses doesn't write the image atall, but it does debug it if its already there
2014-04-09T15:33:21 < __rob> think that help add to my confusion.. as in using that there is no option to pick the image..
2014-04-09T15:33:50 < __rob> anyway, thanks :)
2014-04-09T15:34:04 < jpa-> np :)
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2014-04-09T16:20:59 < PaulFertser> __rob: you shouldn't need a separate flashing part at all, gdb "load" should just work for flashing and then debugging a current image.
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2014-04-09T16:48:28 < Thorn> digital data transmission over a wooden desk http://we.easyelectronics.ru/Theory/peredacha-informacii-cherez-stol.html
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2014-04-09T16:52:21 < Robint91> Thorn, que?
2014-04-09T16:52:29 < Robint91> TLDR?
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2014-04-09T16:54:36 < Thorn> modulated seismic waves (sic)
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2014-04-09T17:08:23 < BrainDamage> so sound trough solids instead of air
2014-04-09T17:08:48 < Thorn> he seems to be using an actual seismic receiver
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2014-04-09T17:33:16 < Laurenceb__> http://hackaday.com/2014/04/09/using-simms-to-add-some-extra-ram-on-your-arduino-uno/
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2014-04-09T17:44:27 < qyx_> uhm, i2c gpio extender to access 30 year old dram
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2014-04-09T17:50:51 < madisk> and then you realize you don't have enough RAM to store 32 bit addresses
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2014-04-09T17:51:24 < vadmeste> Hello. It seems that stlink unix tool is not able to set options bit or am I wrong ?
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2014-04-09T18:27:06 < jpa-> vadmeste: probably true; you can set them by loading a program that sets them
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2014-04-09T19:23:43 < Laurenceb__> http://englishrussia.com/2014/04/07/a-man-collecting-some-hammers/
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2014-04-09T19:33:07 < madisk> englishrussia used to pop up porno ads on every mouse movement
2014-04-09T19:33:14 < madisk> do they still do that ?
2014-04-09T19:33:33 < madisk> (mouse move, not mouse click)
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2014-04-09T19:39:36 < jpa-> never did that for me
2014-04-09T19:39:47 < Viper168> but who doesn;t like porn
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2014-04-09T20:20:36 < Thorn> adblock plus
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2014-04-09T22:14:01 < fbs> gxti: awake?
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2014-04-09T22:22:03 < dongs> Steffanx: if I eer do a batchpcb it will be actual quality stuff not aids
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2014-04-09T22:25:18 < Steffanx> Sure but this is a troll and the language fits your profile dongs ;)
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2014-04-09T22:32:25 < scrts> I remember a discussion here about smart mosfets. Do someone use them? My high-side mosfet driver only works @ 4.5V and I need to switch and monitor 3.3V
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2014-04-09T23:05:21 < dongs> suppppppppppppppp
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2014-04-10T00:21:10 < zyp> http://www.eetimes.com/document.asp?doc_id=1321853
2014-04-10T00:21:15 < zyp> I bet dongs will be happy
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2014-04-10T00:36:02 < Laurenceb> very interesting
2014-04-10T00:36:11 < Laurenceb> interesting choice
2014-04-10T00:36:25 < karlp> sensible you mean :)
2014-04-10T00:37:34 < zyp> yeah, except GCC LLVM is the most mature open source compiler framework nowadays
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2014-04-10T00:53:48 < Steffanx> lol @ article
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2014-04-10T01:18:41 < gxti> fbs: yes
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2014-04-10T03:19:54 < Thorn> "The move to LLVM open-source will not create a free tool suite either, he said."
2014-04-10T03:20:13 < Thorn> so the llvm-based compiler isn't going to be freely available?
2014-04-10T03:26:15 < dongs> sup pros
2014-04-10T03:26:26 < dongs> whats the context
2014-04-10T03:26:37 < dongs> oh
2014-04-10T03:26:40 < dongs> preparing to lol at opensores
2014-04-10T03:26:41 < gxti> Thorn: 'tool suite' doesn't necessarily mean the compiler, it could just mean their "solution"
2014-04-10T03:27:03 < dongs> ohh
2014-04-10T03:27:06 < dongs> armcc going opensauce?
2014-04-10T03:27:07 < dongs> well wtf
2014-04-10T03:27:12 < dongs> so it will start sucking
2014-04-10T03:27:17 < dongs> BY DESIGN
2014-04-10T03:27:17 < gxti> yep better go back to PIC
2014-04-10T03:27:25 < dongs> ya fuck this
2014-04-10T03:27:28 < dongs> im getting a refund on keil
2014-04-10T03:27:42 < dongs> such scam
2014-04-10T03:27:55 < gxti> k let us know how that goes
2014-04-10T03:29:16 < Thorn> how can anyone pay for keil's compiler
2014-04-10T03:29:26 < Thorn> it's several generations behind
2014-04-10T03:29:47 < Thorn> I can understand the debugger and shit, but compiler+IDE are totally behind
2014-04-10T03:30:53 < gxti> i wouldn't be surprised if dongs is lying about how great armcc is but i'm too lazy to check
2014-04-10T03:31:13 < gxti> if even ARM is jupming ship it's probably pretty bad
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2014-04-10T03:36:42 < Thorn> is there ever going to be a proper set of DSP extensions for ARM btw
2014-04-10T03:37:52 < Thorn> like zero-overhead loop etc.
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2014-04-10T03:52:42 < gnomad> I am guessing the LLVM license is non-infectious (compared to the GPL.)
2014-04-10T03:53:01 < Thorn> true
2014-04-10T03:53:12 < gnomad> and besides, the GCC codebase has become a nightmare.
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2014-04-10T03:53:54 < gnomad> it doesn't mean no more free compilers, it means a free base compiler that vendors can improve upon and release as closed-source.
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2014-04-10T03:54:05 < GargantuaSauce> and support for more languages!
2014-04-10T03:54:58 < gnomad> https://www.youtube.com/watch?v=m_mDTLphIVY
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2014-04-10T04:19:20 < dongs> < Thorn> I can understand the debugger and shit, but compiler+IDE are totally behind
2014-04-10T04:19:23 < dongs> looooool
2014-04-10T04:19:33 < dongs> thorn, except armcc builds smaller,faster arm code in EVERY situation
2014-04-10T04:19:35 < dongs> compared to gcc
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2014-04-10T04:19:50 < dongs> http://imgur.com/a/mZIrG
2014-04-10T04:20:01 < BrainDamage> can't the optimizer be plugged into llvm and clang
2014-04-10T04:20:07 < BrainDamage> or would that be an heresy
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2014-04-10T06:25:17 < englishman> dongs: aadamson gets consistently smaller hexes with gcc
2014-04-10T06:25:22 < englishman> but i dont know enough to investigate
2014-04-10T06:25:30 < englishman> i always got larger baseflight hexes with gcc
2014-04-10T06:26:56 < dongs> duno. fuck gcc
2014-04-10T06:29:13 < gnomad> gcc has never been about generating the fastest, smallest code.
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2014-04-10T06:29:47 < gnomad> gcc is about a free compiler that runs everywhere and targets everything.
2014-04-10T06:30:03 < dongs> gcc is about getting shafted by RMS
2014-04-10T06:30:10 < gnomad> if you're using gcc for some other reason YOU'RE DOING IT WRONG.
2014-04-10T06:30:15 < gxti> wut
2014-04-10T06:31:41 < dongs> is there gsm moto g in bestbuy
2014-04-10T06:31:46 < dongs> or just bullshit cdma version
2014-04-10T06:32:07 < dongs> BOOSTMOBIRE
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2014-04-10T09:44:12 < Robint91> hi all!
2014-04-10T09:45:18 < Fleck> morning!
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2014-04-10T11:48:37 < dongs> zyp, got your invoice
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2014-04-10T13:02:48 < dongs> how do you call that shit where instead of linear change you go from A to B and "slowing down" change near B?
2014-04-10T13:02:51 < dongs> ramping or something?
2014-04-10T13:03:28 < talsit> sure
2014-04-10T13:03:36 < karlp> tapering off?
2014-04-10T13:03:41 < dongs> or something i dunno
2014-04-10T13:03:44 < dongs> how do i calculate that?
2014-04-10T13:03:47 < dongs> is it log? or sin? or somethign
2014-04-10T13:05:38 < dongs> since its just one value i wanna control, i was htinking of setting a setpoint in systick and then doing pid or something even simpler to ramp to that  value
2014-04-10T13:06:12 < dongs> duno which log/wahtever to do this with tho
2014-04-10T13:07:41 < karlp> y = 1/2x^3 will give you a curve somewhat like that too
2014-04-10T13:07:46 < karlp> or y = e^x
2014-04-10T13:07:57 < karlp> depends which way aroudn and how sharp and so on
2014-04-10T13:08:06 < karlp> http://www.wolframalpha.com/input/?i=y+%3D+1%2F2e%5E%28x%2F3%29
2014-04-10T13:08:41 < dongs> im pretty dum @ math, what's y/x do there
2014-04-10T13:09:21 < dongs> x is linear, y is that curved change?
2014-04-10T13:09:34 < karlp> yeah,
2014-04-10T13:10:10 < karlp> but e^x style things will get crazy fast
2014-04-10T13:10:22  * karlp shrugs, not a maths dood either
2014-04-10T13:10:52 < dongs> ya i dont mind this is just a transition effect, probably half a second or something
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2014-04-10T13:10:58 < dongs> i doubt anone will actually notice
2014-04-10T13:11:05 < dongs> bu better than abrupt change
2014-04-10T13:12:29 < dongs> but if I use PID maybe i dont need math then ? if I set error and P/I appropriately so it will be slower as it reaches setpoint
2014-04-10T13:12:32 < dongs> anyhow, k will dick wiht it.
2014-04-10T13:12:34 < karlp> y = x * x will is also curved
2014-04-10T13:12:53 < dongs> math as in weird shit like e() or sin
2014-04-10T13:13:13 < dongs> hm your shit is just powf() isnt it
2014-04-10T13:13:15 < dongs> maybe not so bad
2014-04-10T13:13:35 < karlp> http://www.wolframalpha.com/input/?i=y+%3D+%281%2F2*x%5E4%29+%2B+%281%2F10+*+x%5E2%29 has more flat shoulders than a staight up y = x * x
2014-04-10T13:13:36 < dongs> kthx
2014-04-10T13:13:52 < karlp> but someone with real maths should probably step in and put you straight :)
2014-04-10T13:14:41 < dongs> ya thats a bit too round. too close to linear
2014-04-10T13:14:44 < dongs> probably wont notice
2014-04-10T13:17:10 < PaulFertser> Probably you want something like y = 1/(1+e^(-x)) (sigmoid) if you want to gradually approach some limit.
2014-04-10T13:17:12 < Miek_> what is it for?
2014-04-10T13:17:37 < talsit> or use critically dampeded springs
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2014-04-10T17:13:48 < gnomad> so what would you guess this sells for?  http://imgur.com/a/Hover#0
2014-04-10T17:14:20 < GargantuaSauce> sweet url
2014-04-10T17:14:26 < Steffanx> a few  $100 ?
2014-04-10T17:14:48 < Steffanx> it has a real atmega16A on it..
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2014-04-10T17:16:21 < gnomad> http://www.critterandguitari.com/products/pocket-piano-gr
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2014-04-10T17:17:09 < Steffanx> but it comes in a enclosure of wood with knobs of wood...
2014-04-10T17:19:01 < gnomad> I bet the enclosure is the most expensive part.
2014-04-10T17:20:42 < Steffanx> gnomad owns one?
2014-04-10T17:20:49 < gnomad> nope.
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2014-04-10T17:35:16 < kuldeepdhaka> when using interrupt mode, receive sof at 5ms , and when using polling , it becomes 1ms (sof). (in background i have a dma irq with adc that collect 176 samples in 1ms).
2014-04-10T17:36:33 < kuldeepdhaka> priority: usb=1 dma=0    (dma always uses interrupt)
2014-04-10T17:37:47 < kuldeepdhaka> stm32f072 ie M0   48Mhz
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2014-04-10T17:52:39 < Laurenceb__> http://i.imgur.com/B6hp8gL.png
2014-04-10T17:53:13 < Steffanx> Laurenceb__ and his chem trail fetish
2014-04-10T17:56:12 < SlaveToTheSauce_> that dude is pretty awesome
2014-04-10T17:56:12 < SlaveToTheSauce_> http://www.missteribabylonestar.com/
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2014-04-10T17:57:55 < Steffanx> it's you isn't it SlaveToTheSauce_ ?
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2014-04-10T18:55:59 < Laurenceb> http://360.g8dhe.net/HAB_Flights/2014_Flights/LOHAN_20140410/Capture2.JPG
2014-04-10T18:56:02 < Laurenceb> yo dawg
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2014-04-10T18:57:05 < synic> dude needs a tiling window manager
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2014-04-10T19:04:53 < PaulFertser> synic: there's one, called Bug.n
2014-04-10T19:06:27 < synic> ah, it looks pretty nice
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2014-04-10T20:14:07 < Steffanx> meh, why it has to be so hard to built gdb with python support..
2014-04-10T20:14:20 < jpa-> indeed
2014-04-10T20:14:29 < Steffanx> tried to build the gnu-arm-embedded toolchain myself, with support enabled
2014-04-10T20:14:41 < Steffanx> but it doesnt even build
2014-04-10T20:14:52 < jpa-> gnu-arm-embedded leaves out a lot of good stuff, like target sim and python support
2014-04-10T20:15:13 < Steffanx> fputs ("     " + n, stdout); .. where n is some int. What is that even supposed to do?
2014-04-10T20:15:25 < Steffanx> print some spaces?
2014-04-10T20:15:38 < jpa-> put out 5-n spaces
2014-04-10T20:15:58 < zyp> or something entirely different if n > 6 :)
2014-04-10T20:16:21 < jpa-> yes, if n > 6, it will print your openssl private keys
2014-04-10T20:16:36 < zyp> everybody knows them already though
2014-04-10T20:16:50 < Steffanx> i guess no one ever tried to compile that using some recent clang
2014-04-10T20:16:52 < Steffanx> readelf.c:9046:20: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int] ...
2014-04-10T20:17:08 < jpa-> why are you compiling it with clang :)
2014-04-10T20:17:20 < Steffanx> default os x compiler.
2014-04-10T20:17:30 < jpa-> oh yeah, macguy
2014-04-10T20:17:38 < zyp> try -Wno-string-plus-int
2014-04-10T20:17:42 < Steffanx> and it doesnt tell me not to do so :)
2014-04-10T20:18:18 < gxti> compiling projects you don't own with -Werror is futile
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2014-04-10T20:18:26 < Steffanx> yes, i was going to, but still.. crappy build system
2014-04-10T20:18:26 < zyp> or put a cast around the string literal
2014-04-10T20:18:32 < gxti> also people who ship tarballs with -Werror need to be drawn and quartered
2014-04-10T20:18:40 < zyp> (char*)"     " should do it
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2014-04-10T20:19:07 < Steffanx> gxti, go talk with PaulFertser ;)
2014-04-10T20:22:46 < Steffanx> At least they do check for n < 5.
2014-04-10T20:23:19 < Steffanx> @#$%ˆ&  terrible crap. I give up.
2014-04-10T20:23:39 < Steffanx> it's just no made to compile it yourself
2014-04-10T20:23:41 < zyp> did you try the cast?
2014-04-10T20:23:58 < Steffanx> yes that works, until it runs into the next issue
2014-04-10T20:24:07 < zyp> right
2014-04-10T20:24:08 < gxti> look for a way to turn off -Werror, Steffanx
2014-04-10T20:24:15 < zyp> -Wno-error
2014-04-10T20:24:24 < gxti> well, it's probably ./configure crap
2014-04-10T20:24:44 < BrainDamage> pass it as CFLAGS ?
2014-04-10T20:25:31 < PaulFertser> gxti: it's better when people do report errors. In OpenOCD it's trivial to disable with a configure flag but having it complain by default helps to move forward.
2014-04-10T20:26:07 < gxti> for git builds maybe, not for shipped releases
2014-04-10T20:26:08 < Steffanx> yes, it's all configure stuff, just dont look at the build-toolchain.sh
2014-04-10T20:26:12 < gxti> not that i know what Steffanx is doing
2014-04-10T20:26:39 < Steffanx> i was trying to built gdb with python support ( using the gnu-arm-embedded stuff )
2014-04-10T20:26:43 < Steffanx> *build
2014-04-10T20:27:52 < zyp> isn't the gnu-arm-embedded gdb for OS X already shipped with python support?
2014-04-10T20:27:57 < Steffanx> no
2014-04-10T20:28:00 < zyp> or did they change that in the latest release?
2014-04-10T20:28:08 < zyp> because mine certainly has python support
2014-04-10T20:28:26 < Steffanx> python print "whaa"
2014-04-10T20:28:28 < Steffanx> Python scripting is not supported in this copy of GDB.
2014-04-10T20:28:36 < zyp> hmm, ok
2014-04-10T20:28:48 < zyp> good thing I haven't bothered upgrading then
2014-04-10T20:28:55 < Steffanx> version GNU gdb (GNU Tools for ARM Embedded Processors) 7.6.0.20140228-cvs
2014-04-10T20:32:34 < karlp> Steffanx: I just did that again myself: http://false.ekta.is/2013/01/arm-none-eabi-gdb-with-python-support-on-linux-fedora-17/ (the comments were updated for the lastest release)
2014-04-10T20:32:38 < karlp> not compiling on a mac though sorry
2014-04-10T20:33:52 < Steffanx> oh, that should probably do the job
2014-04-10T20:34:34 < Steffanx> for some reason i decided to built the entire toolchain. What was i thinking?!
2014-04-10T20:41:11 < Steffanx> thanks karlp. It was actually that easy.
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2014-04-10T21:46:43 < BrainDamage> dongs' won't approve the license, but might the intent: http://sam.zoy.org/lmos/
2014-04-10T21:55:44 < FreezingCold> Hmmm, should I try to linaro?
2014-04-10T21:56:04 < FreezingCold> It won't work with my current setup (Eclipse + crapload of plugins), but it might be worth it
2014-04-10T21:56:13 < SlaveToTheSauce> if you have a working toolchain why fuck with it?
2014-04-10T21:56:31 < FreezingCold> meh, I need to learn more about setting up toolchains
2014-04-10T22:01:18 < SlaveToTheSauce> i would mess with that more at the project level first
2014-04-10T22:01:24 < SlaveToTheSauce> write your own makefile and linker script
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2014-04-10T22:47:14 < Laurenceb> http://i.imgur.com/pLyHz9Z.jpg
2014-04-10T22:51:27 < Steffanx> hi dad of Laurenceb
2014-04-10T22:53:22 < Steffanx> BrainDamage sure dongs wasn't involved in that lmos?
2014-04-10T22:53:47 < BrainDamage> > open source
2014-04-10T22:54:17 < Steffanx> Yes, but it seems dongs was involved in the original LM project.
2014-04-10T22:54:28 < Steffanx> and he probably knows mr Sam Hocevar very well
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2014-04-10T22:58:27 < Thorn> "Despite my utter dislike of the blog trend, ..."
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2014-04-10T23:19:31 < dongs> BrainDamage: i know that guy, he used to be a fairly high ranking GNAA officer
2014-04-10T23:19:36 < dongs> before hte place turned into shit
2014-04-10T23:22:05 < Steffanx> because the great great president abandoned the s(t)inking ship?
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2014-04-10T23:26:47 < dongs> Steffanx: the place got overrun with boring 13 years old retards and people who were intenet on doing actual damage
2014-04-10T23:26:50 < dongs> instead of just lulz
2014-04-10T23:29:11 < Steffanx> heh, of course.
2014-04-10T23:32:50 < Steffanx> The club isn't really active anymore is it dongs? All "anonymous" now?
2014-04-10T23:33:06 < Steffanx>  s/club/gang/
2014-04-10T23:36:02 < dongs> http://ejohn.org/blog/write-code-every-day/
2014-04-10T23:36:10 < dongs> or all in jail
2014-04-10T23:37:30 < Laurenceb> meeting some real GN
2014-04-10T23:38:57 < dongs> lol
2014-04-10T23:39:03 < dongs> too bad 99% of that guys code is javascript
2014-04-10T23:39:11 < dongs> and he looks like hes 13
2014-04-10T23:42:43 < Laurenceb> http://th05.deviantart.net/fs11/150/i/2006/227/7/3/Pc_vs_mac__by_PoolsClosed.jpg
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2014-04-10T23:46:45 < dongs> sounds about right
--- Day changed Fri Apr 11 2014
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2014-04-11T03:16:34 < karlp> Footprints can be generated by simple Perl scripts.
2014-04-11T03:16:34 < karlp> These Perl scripts can be maintained under a revision
2014-04-11T03:16:35 < karlp> control sytem with Eclipse IDE.
2014-04-11T03:16:49 < karlp> fedora's "fedora electonics lab" is not filling me with confidence
2014-04-11T03:17:48 < ds2> perl script with the standards built in?
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2014-04-11T03:23:43 < karlp> it includes openocd version 0.2! it must be awesome
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2014-04-11T04:02:54 < ds2> has anyone tried making a PCB with copper all the way to the edge (or even on the edge)?
2014-04-11T04:03:20 < zyp> why?
2014-04-11T04:03:33 < ds2> modules
2014-04-11T04:03:42 < ds2> soldering it SMT style onto another board
2014-04-11T04:04:04 < zyp> with castellated vias? I think dongs have done a couple of those
2014-04-11T04:04:29 < ds2> I think yes... makes the  edge look like a stamp, right?
2014-04-11T04:04:40 < zyp> yes
2014-04-11T04:05:06 < ds2> how does one call out that for a PCB?
2014-04-11T04:05:16 < ds2> gerbers are 2D and that seems like a 3D structure
2014-04-11T04:05:56 < zyp> it's just a normal plated via that gets cut in half when the board is cut out of the panel
2014-04-11T04:06:28 < ds2> hmmm that almost sounds like games with the board outline
2014-04-11T04:06:40 < ds2> wonder if the cheap board houses will accept that
2014-04-11T04:06:47 < zyp> yep, you place the via on the board outline
2014-04-11T04:07:18 < zyp> I think dongs talked the seeed guys into doing it
2014-04-11T04:07:27 < ds2> it would seem like the routing is likely to rip out the copper
2014-04-11T04:07:44 < ds2> seeed? hmmm ok so this is not high board tech
2014-04-11T04:18:31 < dongs> yo
2014-04-11T04:18:38 < dongs> you dont need to do anything spcial for that
2014-04-11T04:18:52 < dongs> just put vias or pads (pth) on halfway the edge of hteboard
2014-04-11T04:19:09 < dongs> when they make the board before routing it they will be normal vias
2014-04-11T04:19:14 < dongs> then they will cut them and it will become half.
2014-04-11T04:19:20 < dongs> shitstudio ones will look horrible
2014-04-11T04:19:25 < dongs> but.. theyll wor
2014-04-11T04:19:30 < dongs> k
2014-04-11T04:19:42 < ds2> routing won't tear out the copper?
2014-04-11T04:19:52 < dongs> with proper places, n
2014-04-11T04:19:57 < dongs> with shitstudio sometimes yes
2014-04-11T04:20:10 < dongs> it wont tear it out but it'll weaken it a bit
2014-04-11T04:20:21 < dongs> but the only castellated shit i did with shitstudio was like 0.8mm thick pcb
2014-04-11T04:20:24 < dongs> so that might have been related.
2014-04-11T04:20:27 < dongs> if you do 1.6T it might be OK
2014-04-11T04:20:38 < ds2> do the cheap places accept that?
2014-04-11T04:20:44 < dongs> yea
2014-04-11T04:20:48 < dongs> they dont care.
2014-04-11T04:20:51 < ds2> thought most have rules that says no features within x mm of the edge?
2014-04-11T04:20:54 < dongs> dont need to tell anything special either
2014-04-11T04:21:04 < dongs> na.
2014-04-11T04:21:07 < dongs> itll work.
2014-04-11T04:22:10 < ds2> seem to recall being too close to the edge got kicked out by the DFM stage
2014-04-11T04:22:50 < dongs> maybe you can test it out with dirtypcbs.com
2014-04-11T04:23:31 < ds2> I don't have time to twiddle my thumbs waiting for them to ship... they are like 4wk + turn around, right?
2014-04-11T04:24:01 < dongs> 3 days + HKshipping
2014-04-11T04:24:24 < ds2> well... 3.5wks in HKshipping
2014-04-11T04:24:27 < dongs> ^
2014-04-11T04:24:31 < ds2> heard they are at hte same speed as DX
2014-04-11T04:24:35 < dongs> anyone got any example code for powerdown/wakeup on PA0?
2014-04-11T04:24:54 < dongs> http://www.keil.com/forum/17394 oooOo
2014-04-11T04:25:36 < dongs> http://i.imgur.com/Z1xdX.jpg haha
2014-04-11T04:30:26 < dongs> hm
2014-04-11T04:30:32 < dongs> how do i jsut shutdown fuckin EVERYHTING
2014-04-11T04:30:48 < zyp> die();
2014-04-11T04:30:52 < dongs> and wakeup at pa0
2014-04-11T04:30:54 < dongs> no rely
2014-04-11T04:31:07 < Thorn> wfeotw
2014-04-11T04:31:08 < dongs> PWR_EnterSTOPMode() still seems to use WFI or WFE
2014-04-11T04:31:13 < zyp> yes
2014-04-11T04:31:16 < zyp> they do
2014-04-11T04:31:16 < dongs> WFE is realdead?
2014-04-11T04:31:44 < zyp> you have to set sleep mode to STOP, and then go to sleep the usual way
2014-04-11T04:32:26 < dongs> PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
2014-04-11T04:32:42 < zyp> I'm not sure if stm32 has any event sources, I think WFE is mainly useful for multi-cpu systems
2014-04-11T04:32:51 < dongs> well this is in stdperiphlib
2014-04-11T04:33:01 < dongs> i just want it to use close to 0mA while off.
2014-04-11T04:33:09 < dongs> er, while in this stop shit
2014-04-11T04:33:23 < zyp> not sure if wfi/wfe matters then
2014-04-11T04:33:34 < zyp> test and measure?
2014-04-11T04:33:51 < dongs> yeah.
2014-04-11T04:40:00 < dongs> do I need to turn off clcoks to stuff etc then
2014-04-11T04:40:12 < dongs> acutally I think i would rather just have it reset on power on
2014-04-11T04:40:16 < dongs> so I dont have to bother about keeping state
2014-04-11T04:41:06 < zyp> doesn't STOP mode do that?
2014-04-11T04:41:49 < dongs> ow I use stm32f103r8, I haved followed the reference manual and configured my mcu in to stop mode. And it has been in stopmode, but when i press button to wakeup the mcu, the mcu reset.
2014-04-11T04:41:53 < dongs> nice
2014-04-11T04:41:56 < dongs> looks liek thats what I need then :)
2014-04-11T04:42:02 < dongs> ill try it.
2014-04-11T04:47:07 < dongs> hm
2014-04-11T04:47:09 < dongs> its not working :
2014-04-11T04:47:14 < dongs> maybe i turned off too much gpio power.
2014-04-11T04:47:43 < gxti> isn't it WKUP pin, not reset?
2014-04-11T04:49:39 < ds2> doesn't it depend on which sleep mode?
2014-04-11T04:49:45 < dongs> gxti: PA0, yes
2014-04-11T04:49:51 < dongs> WKUP
2014-04-11T04:49:56 < dongs> i duno if I need to do anythign special to it tho
2014-04-11T04:49:58 < gxti> never mind, didn't read you right
2014-04-11T04:51:09 < gxti> check the register that indicates why it reset
2014-04-11T04:51:58 < dongs> > can anybody give some advice?
2014-04-11T04:51:58 < dongs> Sorry, debugging other people's register level code simply doesn't interest me
2014-04-11T04:52:00 < dongs> haha
2014-04-11T04:52:01 < dongs> so true
2014-04-11T04:52:04 < dongs> https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy%2est%2ecom%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcortex_mx_stm32%2fSTM32%20reset%20when%20wakeup%20by%20extern%20line%20from%20stop%20mode&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=590
2014-04-11T04:52:08 < gxti> ah right, stop and standby turn off sram power so it resets
2014-04-11T04:52:14 < gxti> i can never keep the damn names straight
2014-04-11T04:52:15 < dongs> thats what I want
2014-04-11T04:52:22 < dongs> it doesnt seem tobe resetting tho
2014-04-11T04:52:27 < dongs> i think i turned off too much gpio
2014-04-11T04:52:30 < dongs> trying again in a sec
2014-04-11T04:52:47 < ds2> thought there was a errata relating to low power modes on the F1?
2014-04-11T04:53:01 < zyp> you shouldn't have to turn off shit, that should happen by itself because of the mode
2014-04-11T04:53:10 < dongs> does fuckall after it goes to sleep
2014-04-11T04:53:10 < dongs> hmm
2014-04-11T04:53:11 < dongs> oh
2014-04-11T04:53:20 < dongs>     PWR_WakeUpPinCmd(ENABLE);
2014-04-11T04:53:20 < dongs>     PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFE);
2014-04-11T04:53:55 < dongs> it doesnt wake up after that tho
2014-04-11T04:53:57 < dongs> just ded.
2014-04-11T04:54:19 < dongs> hm crap
2014-04-11T04:54:27 < dongs> i have pa0 rising edge
2014-04-11T04:54:37 < dongs> wonder if that matters
2014-04-11T04:56:56 < dongs> hm, thats whawt it expcts.
2014-04-11T04:57:09 < dongs> found some chibios post by tectu
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2014-04-11T04:59:07 < dongs> http://git.etv.cx/?a=viewblob&p=stm32-flightcontrol&h=67eb81f1eb944cf927241776a1380ac58d0d52c4&hb=fa70cbc20fced67350108f86f89dd5abda89d370&f=ChibiOS_2.4.2/testhal/STM32F1xx/EXT_WAKEUP/main.c holy shit thats a nastily indented code
2014-04-11T04:59:59 < dongs> why do all these clowns use raw registers
2014-04-11T05:00:05 < dongs> makes their shit totally unreadable
2014-04-11T05:00:22 < zyp> to keep you from reading it
2014-04-11T05:00:30 < dongs> yes
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2014-04-11T05:01:14 < dongs> is standby lower than STOP?
2014-04-11T05:01:31 < gxti> dunno rtfm
2014-04-11T05:01:44 < dongs> the standby code seems to be similar to the crap chibios dudes have in tehre
2014-04-11T05:02:12 < dongs> lol , standby is really dead
2014-04-11T05:02:17 < dongs> even swd is gone
2014-04-11T05:02:35 < dongs> i think thats what I need .
2014-04-11T05:02:36 < zyp> of course it is
2014-04-11T05:02:53 < dongs> but its not waking up on pa0. so i probably fucked osmething up still
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2014-04-11T05:23:27 < dongs> well thats fucked
2014-04-11T05:23:34 < dongs> it reboots to bootloader on pa0 now :)
2014-04-11T05:26:48 < dongs> ohhh
2014-04-11T05:26:50 < dongs> crap.
2014-04-11T05:26:54 < dongs> same button enters dfu
2014-04-11T05:27:00 < johntramp> are you gus familiar with chibios? the kernel context switch seems to be writing to memory which was statically allocated to an array
2014-04-11T05:27:01 < dongs> so whe it wakes up on it...
2014-04-11T05:27:11 < dongs> it goes to dfu, fuuuuu
2014-04-11T05:27:11 < dongs> damn
2014-04-11T05:29:04 < dongs> i guess im screwed then
2014-04-11T05:31:26 < dongs> ah after stop i neeed to go back to HSE
2014-04-11T05:32:38 < dongs> cool everythign is working i think
2014-04-11T05:37:23 < dongs> hmm. i dont think that turns off clocks autoamtically
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2014-04-11T07:35:46 < dongs> https://www.kickstarter.com/projects/853021962/headphone-audio-amplifier
2014-04-11T07:35:48 < dongs> retweeting
2014-04-11T07:38:53 -!- funnel [~funnel@unaffiliated/espiral] has quit [Ping timeout: 258 seconds]
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2014-04-11T07:43:05 < dongs> time for dickstarter
2014-04-11T07:44:01 -!- ntfreak [~ntfreak@unaffiliated/ntfreak] has joined ##stm32
2014-04-11T07:44:09 < dongs> https://www.kickstarter.com/projects/1312527055/illuminated-raspberry-pi-safe-shutdown-switch?ref=category
2014-04-11T07:44:12 < dongs> yaaaaaa
2014-04-11T07:53:19 -!- amstan [~alex@aichallenge/admin/amstan] has quit [Quit: Konversation terminated!]
2014-04-11T07:53:34 < dongs> https://www.kickstarter.com/projects/smartmove/smartmove-accuracy-you-can-trust-change-made-easy?ref=category
2014-04-11T07:57:11 < dongs> https://www.kickstarter.com/projects/m3d/the-micro-the-first-truly-consumer-3d-printer?ref=category lol 2 mil
2014-04-11T07:59:20 -!- CRF_Peter [~Peter@h-154-110.a370.priv.bahnhof.se] has joined ##stm32
2014-04-11T07:59:24 < englishman> damn
2014-04-11T07:59:34 < englishman> in 4 days
2014-04-11T08:00:15 < dongs> trending  towards 90000
2014-04-11T08:00:23 < englishman> at least they semi-realistically give a year to deliver
2014-04-11T08:00:23 < dongs> http://www.kicktraq.com/projects/m3d/the-micro-the-first-truly-consumer-3d-printer/
2014-04-11T08:01:01 < englishman> wow the pic with the cat for scale really shows its size....... tiny
2014-04-11T08:01:08 < englishman> only good for naze32 cases
2014-04-11T08:01:19 < dongs> right
2014-04-11T08:04:03 < dongs> https://www.kickstarter.com/projects/1088220805/extendapic-extendable-self-portrait-iphone-5-5s-ca?ref=category
2014-04-11T08:04:07 < dongs> absolutely necessary
2014-04-11T08:05:44 < dongs> > Many 3rd party Camera Apps (like Camera+) have customized self timers. As of yet, the iPhone's default camera does not have this function
2014-04-11T08:05:55 < dongs> now thats innovation
2014-04-11T08:08:25 < emeb_mac> dongs: https://www.kickstarter.com/projects/2024809801/the-body-appropriate
2014-04-11T08:09:18 < dongs> clicking
2014-04-11T08:09:34 < dongs> unfunny
2014-04-11T08:10:08  * emeb_mac is ashamed
2014-04-11T08:10:40 < dongs> https://www.kickstarter.com/projects/1977265610/foobar2000-mobile
2014-04-11T08:10:42 < dongs> thts gonna be a tough one
2014-04-11T08:10:49 < dongs> who the fuck needs yet another music player
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2014-04-11T08:14:21 < emeb_mac> logo looks suspiciously like napster
2014-04-11T08:17:01 < dongs> foobar? they've been around since that time.
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2014-04-11T08:46:57 < dongs> haha that amplifier proj wants $100 for 2 blank pcbs
2014-04-11T08:47:01 < dongs> what a stoner
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2014-04-11T10:01:09 < dongs> http://support.ourpcb.com/ary.php
2014-04-11T10:01:11 < dongs> nice english
2014-04-11T10:01:33 < jpa-> hmph, need to find fast approximation for powf()
2014-04-11T10:01:41 < jpa-> it takes 5400 cycles now
2014-04-11T10:03:46 < emeb_mac> what processor?
2014-04-11T10:04:27 < PaulFertser> "mess production" lol
2014-04-11T10:09:47 < jpa-> emeb_mac: stm32f4
2014-04-11T10:10:15 < jpa-> it's using nuttx libm.. if i wasn't totally lazy, i should probably find a way to benchmark gcc's libm also
2014-04-11T10:10:29 < emeb_mac> huh. you'd think that there's a pretty good/fast version of that for a hw fpu
2014-04-11T10:10:33 < GargantuaSauce> does -ffast-math help?
2014-04-11T10:11:47 < dongs> nuttx...
2014-04-11T10:11:51 < dongs> dayam.
2014-04-11T10:13:34 < jpa-> emeb_mac: yeah, you'd assume.. but doesn't seem like there is, even the gcc's version is full of loops and all kinds of stuff
2014-04-11T10:13:47 < jpa-> the nuttx one just does expf() and logf() using taylor series
2014-04-11T10:14:14 < GargantuaSauce> if the base or exponent are constant you could make your own taylor series with less terms
2014-04-11T10:14:16 < jpa-> because i need it only for a constant exponent, it might be fastest to make my own taylor series
2014-04-11T10:14:21 < jpa-> yes :)
2014-04-11T10:14:41 < jpa-> though the exponent is only known in runtime, but i can precompute it
2014-04-11T10:14:46 < emeb_mac> ISTR optimizing that one for something I did a while back - similar stuff
2014-04-11T10:15:53 < jpa-> but already got some nice perf. gains.. someone had programmed this using doubles
2014-04-11T10:16:20 < jpa-> apparently there is no way to use hardware fpu for doubles, so all operations took like 100-200 cycles
2014-04-11T10:16:54 < jpa-> computing to 53 bits of mantissa.. and the actual precision of data: 12 bits :)
2014-04-11T10:16:58 < emeb_mac> yep
2014-04-11T10:20:10 < jpa-> um... can gdb print the hardware fpu registers?
2014-04-11T10:20:56 < emeb_mac> pow(x,y) = exp(log(x)*y) - not much to precompute if the exp is constant
2014-04-11T10:22:12 < jpa-> emeb_mac: except if i replace the whole thing with a single taylor series
2014-04-11T10:22:23 < emeb_mac> ya
2014-04-11T10:26:57 < PaulFertser> jpa-: not with openocd yet :(
2014-04-11T10:27:50 < jpa-> yeah.. i'll just add some debug statements
2014-04-11T10:30:24 < dongs> uhhh
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2014-04-11T10:36:26 < jpa-> bah, nuttx powf() doesn't even work for large values :D
2014-04-11T10:36:37 < dongs> why in the fuck would they  rewrite it?
2014-04-11T10:36:44 < dongs> did they rewrite whole fucking libc or something?
2014-04-11T10:36:47 < jpa-> yes.
2014-04-11T10:36:49 < dongs> jesus.
2014-04-11T10:37:07 < jpa-> well not really, but they took some libm and use that
2014-04-11T10:37:22 < jpa-> instead of gcc's libm.. but maybe i can change that
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2014-04-11T10:47:09 < Laurenceb> attn hackkitten
2014-04-11T10:47:10 < Laurenceb> http://www.bbc.co.uk/news/health-26885335
2014-04-11T10:47:48 -!- FreezingCold [~FreezingC@135.0.41.14] has quit [Ping timeout: 252 seconds]
2014-04-11T10:47:55 < emeb_mac> saw that
2014-04-11T10:48:20 < Laurenceb> and thought of ##electronics....
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2014-04-11T10:53:46 < jpa-> yay, newlib's libm powf() takes only 900 cycles *and* returns the correct result :D
2014-04-11T10:54:06 < jpa-> and was surprisingly simple to replace, just mod linker flags and add wrapper for errno
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2014-04-11T12:14:02 < dongs> why would anyone use that horrible nuttx shit
2014-04-11T12:21:12 < Robint91> dongs, nuts?
2014-04-11T12:22:09 < dongs> ye
2014-04-11T12:26:09 < Robint91> altium is going to cost 5.395€
2014-04-11T12:28:56 < jpa-> dongs: because the alternatives are worse
2014-04-11T12:29:15 < dongs> Robint91: some less aids version>
2014-04-11T12:29:29 -!- Viper168_ [~Viper@unaffiliated/viper168] has quit [Read error: Connection reset by peer]
2014-04-11T12:31:01 < dongs> Robint91: wat are you taking about explain plz
2014-04-11T12:31:21 < Robint91> I have just gotten an email from them
2014-04-11T12:31:37 < Robint91> telling my that the price for a stand-alone is going up
2014-04-11T12:31:37 < dongs> you asked for a quote?
2014-04-11T12:31:47  * Robint91 has already Altium
2014-04-11T12:32:08 < dongs> oh. yeah, renewawl is probly  cheaper.
2014-04-11T12:32:54 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##stm32
2014-04-11T12:33:03 < Robint91> dongs, I don't need to renew my license
2014-04-11T12:33:18 < dongs> what do otehy want for 6k eur then
2014-04-11T12:33:38 < Robint91> I dunno
2014-04-11T12:33:40 < dongs> oh, price for standalone is going up
2014-04-11T12:33:43 < dongs> what the hell
2014-04-11T12:33:44 < dongs> idiots
2014-04-11T12:33:48 < dongs> it should be going DOWN not up
2014-04-11T12:33:54 < dongs> and remove all the shit nobody uses
2014-04-11T12:34:01 < dongs> like C compiler FPGA compiler Spice sim zzzzzzz
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2014-04-11T12:48:27 < PaulFertser> What (possibly proprietary) microcontroller bluetooth stack with support for SCO would you guys recommend?
2014-04-11T12:48:47 < dongs> sco?
2014-04-11T12:49:06 < PaulFertser> Bidirectional audio communication
2014-04-11T12:49:22 < PaulFertser> HFP uses SCO+RFCOMM iirc
2014-04-11T12:49:33 < dongs> i thoguht you were talking about that dead lunix clone
2014-04-11T12:49:44 < PaulFertser> :)))
2014-04-11T12:50:04 < dongs> i doubt that even supports USB, never mind BT
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2014-04-11T14:10:13 < fbs> how long should a ethernet dma reset take?
2014-04-11T14:10:19 < fbs> im doing
2014-04-11T14:10:22 < fbs>     ETH_DMABMR |= ETH_DMABMR_SR;
2014-04-11T14:10:24 < fbs>     while(ETH_DMABMR & ETH_DMABMR_SR);
2014-04-11T14:10:43 < fbs> got the ETHMAC, ETHMACTX & ETHMACRX clocks enabled
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2014-04-11T14:36:25 < Laurenceb_> http://www.vice.com/en_uk/read/the-great-manhattan-masturbation-crawl
2014-04-11T14:36:27 < Laurenceb_> epic lulz
2014-04-11T14:37:10 < Laurenceb_> very nsfw
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2014-04-11T14:54:56 < Robint91> does anyone here knows stuff about m-sequences? and gold codes?
2014-04-11T15:04:21 < mumptai> Robint91, make it a reasonably answerable question ;)
2014-04-11T15:07:38 < Robint91> mumptai, how do you get too mls's. Do they follow some kind of rule to design the lfsr?
2014-04-11T15:10:19 < mumptai> i don't know of a direct design rule (like for the hadamard codes) for LFSRs
2014-04-11T15:10:33 < mumptai> other than brute force search
2014-04-11T15:12:12 < Robint91> mumptai, mhh okay, I want to create gold codes to do some sort of localisation with sonar
2014-04-11T15:12:51 < Robint91> mumptai, let a few beacons transmit goldcodes that are modulated (bpsk) on a carrier
2014-04-11T15:13:01 < Robint91> an have a receiver figure out where he is
2014-04-11T15:13:53 < mumptai> think about you channels availiable relative bandwidth
2014-04-11T15:14:30 < mumptai> actually there are know good codes you can choose from
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2014-04-11T16:49:55 < fbs> hmm forgot to enable the syscfg clock <.<
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2014-04-11T16:52:44 < qyx_> Robint91: very hardly doable using standard piezo transducers
2014-04-11T16:52:50 < qyx_> they have only about 3kHz bw
2014-04-11T16:53:25 < Robint91> qyx_, I lower the bitrate
2014-04-11T16:53:58 < qyx_> then the resolution will suffer
2014-04-11T16:54:17 < Robint91> qyx_, anyother idea?
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2014-04-11T16:54:29 < qyx_> no :)
2014-04-11T16:54:36 < Robint91> ....
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2014-04-11T16:54:48 < qyx_> but i am about to try common electret microphones instead of ultrasonic receivers
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2014-04-11T17:38:57 < gxti> fbs: did you still need something
2014-04-11T17:39:03 < fbs> no i fixed it
2014-04-11T17:39:04 < gxti> you pinged me like two days ago
2014-04-11T17:39:05 < gxti> k
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2014-04-11T17:39:51 < edmont> hi
2014-04-11T17:39:55 < qyx_> lo
2014-04-11T17:40:57 < fbs> gxti: i was using your code to verify mine, but mine wouldnt survive the dma reset. Turns out i needed to enable the SYSCFG clock.
2014-04-11T17:42:22 < edmont> i'm having a JTAG Communication Failure just after downloading a code that enables TIM2 interrupts with input compare mode from COMP2
2014-04-11T17:42:29 < edmont> how can i recover it?
2014-04-11T17:45:41 < edmont> mmm, but the program keeps working, i can see the led blinking
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2014-04-11T19:35:15 < Laurenceb_> https://www.kickstarter.com/projects/846511652/the-worlds-first-true-atomic-wristwatch-the-cesium
2014-04-11T19:37:08 < __rob> can anyone tell me is there any need for USARTx_CK to be wired up
2014-04-11T19:37:17 < __rob> theres no option for it on my module from what I can see
2014-04-11T19:37:35 < __rob> just TX/RX/CTS/RTS
2014-04-11T19:38:30 < zyp> CK is what distinguishes an USART from an UART
2014-04-11T19:38:56 < __rob> ahh right, so this module is UART
2014-04-11T19:39:00 < zyp> if you hook up CK, you're using it as an USRT, while if you don't, you're using it as an UART
2014-04-11T19:39:20 < __rob> the USARTx peripheral works in both modes tho ?
2014-04-11T19:39:34 < zyp> yes, that's why it has both the S and A letters
2014-04-11T19:39:43 < zyp> it supports both synchronous and asynchronous mode
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2014-04-11T19:40:49 < __rob> great - thanks
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2014-04-11T19:48:35 < gxti> you can use usart as a quasi-SPI port if you run out of real SPIs, i used one to drive a shift register
2014-04-11T19:49:58 < gnomad> there are at least 2 people in the world who will pay $100 for a coconut.
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2014-04-11T20:03:29 < zyp> gxti, but can you get it to not send start/stop bits?
2014-04-11T20:03:47 < gxti> zyp: it sends them but does not clock them, so synchronous stuff doesn't see it
2014-04-11T20:03:56 < zyp> ah, makes sense
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2014-04-11T21:18:56 < dongs> wassup pros
2014-04-11T21:20:22 < karlp> rebooting linux shits
2014-04-11T21:20:42 < karlp> realizing that having the contact email for confirmations of reboots running on the machine that needed rebootin wasn't so clevah
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2014-04-11T21:24:08 < dongs> sounds like youre a gentoo pro, ready to take over mtgox
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2014-04-11T21:28:49 < scrts> :)))
2014-04-11T21:33:03 < Laurenceb_> http://www.youtube.com/watch?v=fkP-b1ADvbk
2014-04-11T21:38:01 < madisk> Skip ahead to 3minutes and 40 seconds.
2014-04-11T21:38:14 < madisk> Laurenceb_: you owe me 3 minutes of my life back.
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2014-04-11T21:44:19 < gnomad> nah, you can't experience his full idiocy without watching the whole thing.
2014-04-11T21:51:53 < SlaveToTheSauce> ah yes, i heard febreeze is a good antidote to lithium and cobalt oxides
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2014-04-11T21:58:14 < dongs> whats going on
2014-04-11T21:58:39 < dongs> oh rofl
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2014-04-11T22:19:21 < dongs> found Laurenceb_ parents http://i.imgur.com/Cryh9U0.jpg
2014-04-11T22:28:27 < Steffanx> lol
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2014-04-11T22:31:07 < madisk> https://www.youtube.com/watch?v=HJlpMD7PH1Q
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2014-04-11T22:38:44 < Steffanx> Some have to grow up with Bieber, but you had to grow up with that mr madisk ?
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2014-04-11T22:42:05 < gnomad> I *wish* I was old enough to have caught the heyday of funk...
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2014-04-11T22:43:52 < gnomad> and besides, those early 70s grooves can be found in sampled form on a lot of modern electronic music.
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2014-04-11T22:54:59 < dongs> ugh why is altium so retarded in placing dimensions
2014-04-11T22:56:54 < Steffanx> dongs on holiday and still working?
2014-04-11T22:57:17 < Steffanx> no wifecop to tell you not to do so?
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2014-04-11T23:09:38 < dongs> thankfully
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--- Day changed Sat Apr 12 2014
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2014-04-12T00:29:47 < englishman> FreezingCold: why are you using a pic?
2014-04-12T00:30:07 < FreezingCold> englishman: Are you spying on me from other channels and then calling me out?
2014-04-12T00:30:13 < englishman> Just wondering.
2014-04-12T00:30:27 < englishman> And I don't really want to chat in there.
2014-04-12T00:30:37 < FreezingCold> well, I realized I have three projects due next week
2014-04-12T00:30:39 < FreezingCold> it's friday
2014-04-12T00:30:53 < FreezingCold> *three final projects
2014-04-12T00:30:58 < englishman> O.o
2014-04-12T00:31:06 < FreezingCold> and I've never done anything with stm32 aside from blinking LEDs :p
2014-04-12T00:31:25 < FreezingCold> anddd I can copy paste a lot of my courseware code to get it working with PIC + crappy compiler
2014-04-12T00:32:05 < englishman> Carry on :)
2014-04-12T00:33:05 < FreezingCold> weird question, why would a chip refuse to start unless the RS232 pins are disconnected?
2014-04-12T00:33:15 < FreezingCold> after it boots, I can connect the pins and it works fine
2014-04-12T00:33:16 < FreezingCold> it'
2014-04-12T00:33:22 < FreezingCold> * it's very odd...
2014-04-12T00:33:36 < Steffanx> this is pic stuff?
2014-04-12T00:34:27 < FreezingCold> Yeah. It seems like a hardware problem though, which is why I risked even mentioning it here
2014-04-12T00:34:44 < Steffanx> floating reset or so that is messing around when uart is connected?
2014-04-12T00:35:06 < FreezingCold> say what?
2014-04-12T00:35:40 < Steffanx> it's custom hardware?
2014-04-12T00:36:34 < FreezingCold> I guess, depends on what you consider custom
2014-04-12T00:36:42 < FreezingCold> just a little pl2303
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2014-04-12T00:45:25 < Thorn> http://pando.com/2014/04/11/report-the-nsas-been-exploiting-the-heartbleed-security-bug-for-the-past-two-years/
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2014-04-12T00:47:12 < fbs> oh my
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2014-04-12T00:51:25 < gnomad> I wonder if anyone has ever checked to see who wrote the offending code...
2014-04-12T00:51:37 < gxti> you do?
2014-04-12T00:51:58 < FreezingCold> gnomad: some creepy german dude IIRC
2014-04-12T00:52:30 < Thorn> someone with a .de email and no other leads other than authoring the rfc for the heartbeat extension
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2014-04-12T00:52:55 < gnomad> It was an implementation bug, not a design issue.
2014-04-12T00:52:55 < Thorn> so looks like a possible front for nsa
2014-04-12T00:52:58 < gxti> obviously the jews did it
2014-04-12T00:53:18 < FreezingCold> gnomad: I can't find the dude's name atm, but I found it last night
2014-04-12T00:53:22 < gnomad> and one that *should* have been caught long ago.
2014-04-12T00:53:42 < FreezingCold> ah right found it
2014-04-12T00:53:42 < FreezingCold> Robin Seggelmann
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2014-04-12T00:53:57 < FreezingCold> http://cdn0.dailydot.com/uploaded/images/original/2014/4/9/2b572d886f.jpg
2014-04-12T00:53:58 < FreezingCold> haha
2014-04-12T00:54:03 < englishman> Um, his name is on both the PR and the rfc
2014-04-12T00:54:14 < englishman> He works for a company in dusseldorf or something
2014-04-12T00:54:31 < FreezingCold> yep
2014-04-12T00:54:49 < englishman> Well in his public life he does.
2014-04-12T00:55:39 < englishman> The bug is amazing though, all the way down
2014-04-12T00:55:59 < gxti> looked like a typical C bug to me
2014-04-12T00:56:03 < gnomad> aah: http://www.washingtonpost.com/news/morning-mix/wp/2014/04/11/the-man-who-says-he-gave-the-internet-heartbleed-talks-about-his-mistake/?tid=hp_mm
2014-04-12T00:56:06 < englishman> Heartbeats are limited to 16k but the implementation allows 64k
2014-04-12T00:56:27 < englishman> Or similar
2014-04-12T00:56:48 < englishman> And the rfc was submitted months after it was pulled into openssl
2014-04-12T00:57:05 < gnomad> http://www.heavy.com/tech/2014/04/robin-seggelmann-heartbleed-cause-openssl-flaw/
2014-04-12T00:57:09 < englishman> And some would say the heartbeat itself is useless
2014-04-12T00:57:10 < Steffanx> Shit happens..
2014-04-12T00:57:14 < gnomad> "4. Robin Seggelmann Says Alcohol Was Not a Factor in Heartbleed Flaw
2014-04-12T00:57:15 < gnomad> Read more at: http://www.heavy.com/tech/2014/04/robin-seggelmann-heartbleed-cause-openssl-flaw/"
2014-04-12T00:57:53 < Steffanx> I don't see the need to blame this guy, sure he wrote the code, but shit happens :(
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2014-04-12T00:58:02 < FreezingCold> LOL
2014-04-12T00:58:06 < FreezingCold> who cares if alcohol was a factor?
2014-04-12T00:58:11 < gxti> hartbeats aren't useless, the internet is really shitty and firewalls are also shitty and sometimes you just need to send some crap to know if the link is dead
2014-04-12T00:58:11 < FreezingCold> wait, this wasn't his job, was it?
2014-04-12T00:58:24 < FreezingCold> I've been assuming it was just a hobby for him
2014-04-12T00:58:32 < Steffanx> Even if he wrote the code totally drunk, someone should've seen it.
2014-04-12T00:58:38 < FreezingCold> na
2014-04-12T00:58:38 < gxti> hobbyists are more careful than that FreezingCold
2014-04-12T00:58:46 < FreezingCold> Steffanx: only one other person had to miss it
2014-04-12T00:58:50 < englishman> Why does the user need to specify the data to send?
2014-04-12T00:58:50 < FreezingCold> not a ton of review
2014-04-12T00:58:53 < gnomad> the $64 question: was he on the NSA's payroll...
2014-04-12T00:59:03 < gxti> that much i don't know. although being able to vary the size can help diagnose path MTU problems.
2014-04-12T00:59:05 < FreezingCold> gnomad: doubtful, doesn't seem like he was having enough fun IRL
2014-04-12T00:59:06 < Steffanx> Yes, so i guess one could blame the project management as well
2014-04-12T00:59:10 < Thorn> they did see it but nsa shut everyone up with money and facebook porn
2014-04-12T00:59:18 < gxti> ping does the same thing
2014-04-12T00:59:39 < gxti> you can vary the size and content of the packet, and the server just bounces it back as-is
2014-04-12T01:00:09 < gxti> if some shitty tunnel in the middle is restricting the MTU your packet dies
2014-04-12T01:00:31 < FreezingCold> I love how bad Yahoo messed up
2014-04-12T01:00:45 < gxti> anyway, PhD writes bad code no surprises there
2014-04-12T01:00:46 < FreezingCold> for some reason they decided they shouldn't store hashes
2014-04-12T01:01:00 < FreezingCold> they sent the password over the net...
2014-04-12T01:01:05 < FreezingCold> and THEN hash it
2014-04-12T01:01:12 < gxti> that's how logins work FreezingCold
2014-04-12T01:01:20 < gxti> you don't hash it on the client
2014-04-12T01:01:22 < FreezingCold> gxti: No, you should hash the password on the client machine
2014-04-12T01:01:39 < FreezingCold> Why the hell not? I always assumed everyone else did that
2014-04-12T01:01:48 < Steffanx> i dont think many do that.
2014-04-12T01:02:00 < FreezingCold> It's so god damn easy
2014-04-12T01:02:04 < gxti> it's definitely not secure if *only* the client hashes
2014-04-12T01:02:09 < Steffanx> it requires javascript and crap
2014-04-12T01:02:15 < gxti> because of this: https://en.wikipedia.org/wiki/Pass_the_hash
2014-04-12T01:02:19 < FreezingCold> gxti: you hash once there, and again on your machine
2014-04-12T01:02:26 < gxti> you can do it in both places but assuming ssl isn't broken it's a waste of time
2014-04-12T01:02:41 < gxti> also it means you can't upgrade the password hashing scheme on the server later, because you never know the password
2014-04-12T01:02:46 < Steffanx> unless it turns out ssl is completely broken ;)
2014-04-12T01:03:00 < FreezingCold> gxti: pass the hash works fine on cookies?
2014-04-12T01:03:03 < gxti> there are also some schemes that do something totally different where the server never knows the password
2014-04-12T01:03:25 < FreezingCold> good, you shouldn't know the user passwords
2014-04-12T01:03:30 < gxti> cookies don't really have to do anything with it, although stealing cookies is also a type of vulnerability
2014-04-12T01:04:10 < FreezingCold> That way if your database gets hacked, you can be like "oh well, technically nothing should be that bad"
2014-04-12T01:04:27 < gxti> you don't put the password in the database obviously, only the hash
2014-04-12T01:04:34 < gxti> the password never leaves RAM
2014-04-12T01:04:38 < FreezingCold> Yahoo puts it in the database
2014-04-12T01:04:42 < gxti> [unless openssl is broken]
2014-04-12T01:04:46 < gxti> well then yahoo sucks
2014-04-12T01:04:51 < FreezingCold> yep
2014-04-12T01:04:58 < FreezingCold> They can tell when a new password is similar to a new one or when you share a word with the old one
2014-04-12T01:05:08 < FreezingCold> and that doesn't seem like a hashed password to me...
2014-04-12T01:05:15 < englishman> See, feature, not bug
2014-04-12T01:05:26 < gxti> it depends on what 'similar' means i guess
2014-04-12T01:05:31 < FreezingCold> actually, I may be wrong here
2014-04-12T01:05:47 < FreezingCold> They may be saving the password temporally when you go to change it
2014-04-12T01:05:52 < Steffanx> who uses yahoo services anyway?
2014-04-12T01:05:59 < FreezingCold> My mom
2014-04-12T01:06:01 < gxti> yes, usually changing passwords requires both the old and new entered
2014-04-12T01:06:24 < gxti> i have a flickr account, although i just cancelled 'pro' because i'm finally sick of it
2014-04-12T01:06:25 < FreezingCold> I still think some level of client side hashing should always take place
2014-04-12T01:06:42 < FreezingCold> Don't they give like 1TB of free data?
2014-04-12T01:06:48 < gxti> they didn't when i signed up
2014-04-12T01:07:00 < gxti> probably 10 years ago now
2014-04-12T01:07:18 < gxti> i didn't even realize that all the reasons that i bought pro originally were free now
2014-04-12T01:07:20 < FreezingCold> yeah it's in the last few years
2014-04-12T01:07:33 < FreezingCold> the best part is you can just fake a fileheader and throw whatever you want on it
2014-04-12T01:07:34 < gxti> used to be only your last 100 photos were visible and you couldn't see the full size, only the rescaled ones
2014-04-12T01:08:05 < gxti> now apparently you can't even buy pro, they have some other thing that costs more and does less. good job yahoo.
2014-04-12T01:08:09 < FreezingCold> you have to split stuff into 200MB files
2014-04-12T01:08:31 < FreezingCold> Yahoo always seemed really... corporate in a bad way
2014-04-12T01:09:06 < Steffanx> I wonder if Yahoo ever did well in europe
2014-04-12T01:10:56 < FreezingCold> Yahoo should have sold out to Microsoft
2014-04-12T01:11:02 < Steffanx> hah
2014-04-12T01:12:34 < FreezingCold> they offered them a crapload of money
2014-04-12T01:12:49 < Steffanx> How's the PIC stuff going FreezingCold ? :P
2014-04-12T01:12:49 < FreezingCold> like 50 billion or something insane around a decade ago IIRC
2014-04-12T01:13:34 < FreezingCold> not bad, just loading up gschem now
2014-04-12T01:14:08 < Steffanx> Are you using one of those good old 16F s? and it's wonderful assembly?
2014-04-12T01:14:38 < gxti> i think PIC24 is the lowest i would ever consider going back to, unless i really needed dirt cheap USB
2014-04-12T01:15:02 < FreezingCold> Steffanx: yeah, using a PIC16F887. Not using assembly, using a very crappy compiler called "CCS"
2014-04-12T01:15:09 < FreezingCold> it doesn't even debug properly
2014-04-12T01:15:10 < zyp> I'm still waiting for f072, w.r.t. dirt cheap usb
2014-04-12T01:15:27 < FreezingCold> gxti: meh PIC's libraries are a mess right now
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2014-04-12T01:15:41 < gxti> libraries are for chumps!
2014-04-12T01:16:03 < gxti> or i guess you meant the usb, yeah i kinda don't want to write any of that
2014-04-12T01:16:13 < gxti> and let's not talk about the tcp/ip stuff.
2014-04-12T01:16:30 < Steffanx> don't talk about PIC at all :P
2014-04-12T01:16:47 < zyp> good plan
2014-04-12T01:17:25 < gnomad> PICs are just fine in the context of retrocomputing.
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2014-04-12T01:18:55 < FreezingCold> hmm, where does gschem store it's library files?
2014-04-12T01:20:30 < Steffanx> Welcome Laurenceb, what can we do for you today?
2014-04-12T01:21:03 < englishman> gnomad: lol
2014-04-12T01:21:04 < Laurenceb> whatever you want
2014-04-12T01:22:28 < Steffanx> No, today it's what you want mr Laurenceb
2014-04-12T01:24:24 < Laurenceb> im going to bed :P
2014-04-12T01:26:14 < Thorn> dongs rage in 3 2 1 http://pando.com/2014/04/10/wtf-healbe-scampaign-reaches-1m-thanks-to-undisclosed-contribution-from-indiegogos-hardware-chief/
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2014-04-12T01:29:11 < SlaveToTheSauce> why would he rage at a further proof at illegitimacy?
2014-04-12T01:29:16 < SlaveToTheSauce> it's pretty damn funny if you ask me.
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2014-04-12T01:32:13 < englishman> Scampaign, lol
2014-04-12T01:36:02 < FreezingCold> crap
2014-04-12T01:36:04 < FreezingCold> the pintout is wrong
2014-04-12T01:36:05 < FreezingCold> gahhh
2014-04-12T01:36:29 < FreezingCold> oh wait, I just can't read
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2014-04-12T02:21:15 < Devilholk> Good evening
2014-04-12T02:22:08 < Devilholk> I have a weird problem. I end up in the EXTI IRQ handler when I change the EXTI trigger conditions inside either the EXTI IRQ or a timer update IRQ but the EXTI interrupt flags are not set
2014-04-12T02:22:43 < Devilholk> Could the MCU somehow queue up an interrupt prior to clearing the flag? (this happens a lot of instructions before the end of the IRQ)
2014-04-12T02:26:06 < Devilholk> Never mind, I read the flag after clearing it, might be a completely different problem
2014-04-12T02:27:09 < Devilholk> It actually was what I initially said
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2014-04-12T02:30:46 < Devilholk> Yay now it works
2014-04-12T02:30:50 < Devilholk> I check the flag and return if not set
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2014-04-12T03:55:31 < zyp> hmm, what the fuck
2014-04-12T03:55:59 < zyp> dongs, three of the ten first boards in the last batch I got has the usb connector not soldered properly
2014-04-12T03:57:11 < zyp> and another, fuck
2014-04-12T03:57:32 < zyp> and another
2014-04-12T03:58:19 < dongs> ugh
2014-04-12T03:58:28 < dongs> not pressed?
2014-04-12T03:58:46 < zyp> ok, that's 6 in first 19
2014-04-12T03:58:48 < dongs> my shit has same connector and they never fucked that up :|
2014-04-12T03:59:06 < dongs> is yours far enough from edge so it sits flat?
2014-04-12T03:59:12 < zyp> yes
2014-04-12T03:59:14 < dongs> hmm
2014-04-12T03:59:35 < zyp> looks similar to that board in previous batch
2014-04-12T03:59:38 < zyp> http://bin.jvnv.net/f/LU8mZ.JPG <- i.e. this
2014-04-12T04:00:22 < dongs> right, boo.. and those are real hard to fix without preheat pad
2014-04-12T04:00:38 < zyp> probably
2014-04-12T04:01:03 < dongs> i will bitch :| if you find a lot can send that shit back for rework
2014-04-12T04:01:07 < dongs> they'll redo
2014-04-12T04:06:39 < zyp> three more failures in next 18 boards
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2014-04-12T04:30:18 < zyp> 19 failures in total, of all 112 boards
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2014-04-12T05:03:37 < Thorn> foxconn'd
2014-04-12T05:12:42 < gxti> guess no dongsfab for me
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2014-04-12T05:17:29 < dongs> zyp: ok, snd those shits back they will rework etc.
2014-04-12T05:18:48 < zyp> yeah, I'll do that later, once I've run the tests on the other boards
2014-04-12T05:18:53 < dongs> yep
2014-04-12T05:19:01 < dongs> sry. bitched, and they're looking into it
2014-04-12T05:19:06 < dongs> pretty sure connectors were machine-placed
2014-04-12T05:19:12 < dongs> and it wasnt fucked last time so im not really sure whats up
2014-04-12T05:19:29 < zyp> I can also throw in the board with the same problem from last batch, and the board from first batch with stm32 rotated 180 degrees :p
2014-04-12T05:19:42 < dongs> yeps ure
2014-04-12T05:20:00 < dongs> i *could* probably rework them myself here too, but fuckem,let those cunts do it
2014-04-12T05:25:27 < zyp> anyway, I'll wait until I've done all the tests on the other boards
2014-04-12T05:27:07 < zyp> heh
2014-04-12T05:27:37 < zyp> http://davidhunt.ie/wp-content/uploads/2012/08/Motor1.jpg <- friend linked me this and asked if it would also work for a 12V solenoid valve
2014-04-12T05:30:11 < GargantuaSauce> it would work equally well
2014-04-12T05:35:09 < zyp> sure, except in this case that means equally shitty
2014-04-12T05:35:33 < zyp> because that motor won't get more than 2.6V or something
2014-04-12T05:36:12 < Thorn> does the friend have any diodes?
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2014-04-12T05:36:39 < zyp> I don't think he have anything at all at this point :)
2014-04-12T05:39:28 < englishman> ...why a gpio for ground
2014-04-12T05:39:39 < GargantuaSauce> it's the ground pin on the gpio header
2014-04-12T05:39:45 < englishman> aha
2014-04-12T05:39:56 < GargantuaSauce> http://www.davidhunt.ie/water-droplet-photography-with-raspberry-pi/ at least he figured out low-side switching a few days later
2014-04-12T05:40:04 < GargantuaSauce> even has a base resistor!
2014-04-12T05:40:11 < GargantuaSauce> immeasurable progress
2014-04-12T05:40:20 < englishman> because it was copypasted from something else
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2014-04-12T07:58:25 < dongs> http://imgur.com/a/1fnJK
2014-04-12T08:01:35 < GargantuaSauce> balls are touching
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2014-04-12T08:19:49 < emeb_mac> no way *that* could be misinterpreted
2014-04-12T08:21:27 < emeb_mac> wtf are those - horta eggs?
2014-04-12T08:22:50 < dongs> steel balls.
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2014-04-12T08:26:21 < emeb_mac> discards from a cement factory ball mill or something?
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2014-04-12T11:43:53 < Fleck> morning!
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2014-04-12T15:00:36 < Robint91> hi all
2014-04-12T15:18:53 < Steffanx> hello mr Robint91
2014-04-12T15:19:22 < scrts> hi
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2014-04-12T15:24:27 < Robint91> crappy androind is crap
2014-04-12T15:24:44 < Steffanx> Crappy user is crap?
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2014-04-12T15:54:40 < madisk> shouldn't have bought the phone on ebay. Notice the spelling "Androind" ? Genuine phones are "Android".
2014-04-12T15:56:25 < Steffanx> Reminds me of this charger i had.. Designed by this company in Califomia
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2014-04-12T15:59:33 < scrts> :)))
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2014-04-12T16:14:31 < scrts> https://www.youtube.com/watch?v=gzsrooteAZw
2014-04-12T16:14:33 < scrts> must see
2014-04-12T16:14:41 < scrts> NSFeating
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2014-04-12T16:26:09 < Thorn> http://www.youtube.com/watch?v=w1wQJwc1NBA
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2014-04-12T16:42:24 < madisk> Steffanx: https://www.youtube.com/watch?v=o5QbB3-p4pw
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2014-04-12T17:15:44 < Robint91> damm full metal alchemist is heavy
2014-04-12T17:31:24 < Steffanx> me too madist
2014-04-12T17:31:40 < madist> :)
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2014-04-12T19:55:25 < dongs> when did this channel degenerate into a bunch of animu fgts
2014-04-12T19:56:46 < BrainDamage> dongs is not kawaii enough
2014-04-12T19:57:17 < dongs> clearly.
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2014-04-12T20:07:57 < Tectu_> dongs sucks.
2014-04-12T20:08:57 < jpa-> what does dongs suck?
2014-04-12T20:09:18 < dongs> tectu is kawaii
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2014-04-12T20:29:07 < emeb> so judgy
2014-04-12T20:32:04 < Robint91> http://i.imgur.com/Bq75hl5.gif
2014-04-12T20:32:08 < Robint91> dongs, ^
2014-04-12T20:35:02 < dongs> Robint91: if that shit is > 200kbytes insize you should link to gfycat version isntead
2014-04-12T20:36:04 < dongs> http://gfycat.com/WhiteEverlastingClumber
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2014-04-12T21:00:00 < Steffanx> lol dongs ..
2014-04-12T21:00:25 < Steffanx> mr grumpy
2014-04-12T21:08:36 < dongs> http://rt.com/usa/inflight-wfi-nsa-monitoring-548/ lol, how surprising
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2014-04-12T22:33:25 < Thorn> http://www.youtube.com/watch?v=iYafyPZ15g8&t=1m32s&autoplay=1
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2014-04-12T22:41:07 < GargantuaSauce> "oh shit i blew it up...how will i use this footage?"
2014-04-12T22:44:09 < gnomad> this is why you always prototype with a current-limited power supply.
2014-04-12T22:44:21 < englishman> or failing that, lots of spare parts
2014-04-12T22:45:27 < gnomad> what is really bad is all the time you lose diagnosing a part that was damaged but not destroyed by over-current.
2014-04-12T22:46:00 < BrainDamage> ballasts, ballasts everywhere
2014-04-12T22:52:05 < gxti> GargantuaSauce: clearly done for entertainment value
2014-04-12T22:52:16 < GargantuaSauce> suure.
2014-04-12T22:55:49 < Thorn> this one is for that friend of zyp http://www.youtube.com/watch?v=LXGtE3X2k7Y&t=1m34s
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2014-04-12T23:26:14 < fbs> is it ok to write to the ETH_DMACHTDR register when the mac is in suspend mode and i just freed up 1 descriptor?
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2014-04-12T23:40:24 < Robint91> that is a bad circuit
2014-04-12T23:41:00 < Robint91> with the two connected gates
2014-04-12T23:41:06 < Robint91> BAD BAD BAD
2014-04-12T23:41:22 < Laurenceb> lol
2014-04-12T23:41:31 < gxti> you'd better punish it Robint91
2014-04-12T23:41:36 < gxti> it's been a naughty boy
2014-04-12T23:43:01 < Robint91> like
2014-04-12T23:43:17 < Robint91> avg current controls motor speed
2014-04-12T23:43:22 < Robint91> utter utter BS
2014-04-12T23:43:30 < Robint91> current controls torque
2014-04-12T23:43:51 < gxti> damnit why does TIMx->SR not use set-to-clear? how am i supposed to only clear the bits that actually changed without occasionally overwriting something that arrived at just the wrong time?
2014-04-12T23:48:06 < gxti> ah ok, i can only clear them. so if i write 1s to the bits that were not set they stay clear.
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2014-04-12T23:48:33 < gxti> i still like set-to-clear better because i can just write the value i read back to clear. oh well.
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2014-04-13T00:10:15 < mtbg> hi
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2014-04-13T01:21:41 < Tectu_> Hello
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2014-04-13T01:28:48 < Tectu_> same Makefile guru here?
2014-04-13T01:29:39 < Tectu_> I'd like to have a makefile which builds some library (like ChibiOS/RT or uGFX) when called but it does not build the full application, just the stuff inside the library directory. This way it can be invoked from a different part like the pre-build command from an IDE
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2014-04-13T01:56:08 < jpa-> Tectu_: you don't need a makefile guru for that, it is trivial to do that in whatever way you want
2014-04-13T01:56:22 < jpa-> either as a separate makefile in subdir, or just as a separate makefile target
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2014-04-13T02:06:48  * Laurenceb is watching epic movie
2014-04-13T02:06:51 < Laurenceb> this is epic
2014-04-13T02:07:05 < Laurenceb> http://www.rottentomatoes.com/m/epic_movie/
2014-04-13T02:07:37 < Laurenceb> best film since the original death race 2000
2014-04-13T02:19:06 < Tectu_> why you watching it
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2014-04-13T02:36:26 < karlp> original death race 2000 is fucking awesome
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2014-04-13T02:40:22 < Laurenceb> Tectu_: because bored
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2014-04-13T02:41:53 < Tectu_> do the girlfriend thing
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2014-04-13T03:02:11 < dongs> sup trolls
2014-04-13T03:02:59 < karlp> templeos is up
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2014-04-13T03:19:00 < Lux> are there som altium pros in here ? any ideas how i get rid of air wire artefacts like these: http://imgur.com/oLOysdA
2014-04-13T03:19:15 < Lux> *some
2014-04-13T03:20:39  * Tectu_ silently points into dongs direction
2014-04-13T03:20:51 < zyp> Lux, clear errors
2014-04-13T03:21:11 < zyp> that's not artifacts, that's error markers for unrouted net errors discovered by DRC
2014-04-13T03:22:18 < Lux> zyp: thanks, that helped :)
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2014-04-13T05:13:03 < dongs> lux is innovating with altium??
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2014-04-13T05:19:16 < Tectu_> it's 4:19am, go to sleep for god sake
2014-04-13T05:21:21 < GargantuaSauce> no it's not, it's 11:20pm!
2014-04-13T05:22:11 < zyp> I agree with Tectu_ (for once?)
2014-04-13T05:22:25 < Tectu_> well, that wasn't /that/ nice of you, zyp :P
2014-04-13T05:22:50 < zyp> you don't pay me to be nice
2014-04-13T05:24:22 < Tectu_> probably the reason why nobody pays you now?
2014-04-13T05:24:47 < zyp> :p
2014-04-13T05:26:33 < Tectu_> time for bed - cu
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2014-04-13T05:28:00 < dongs> its 6.30pm
2014-04-13T05:29:25 < gxti> still in the frozen north? i would have gone crazy by now
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2014-04-13T05:45:47 < dongs> frozen wasteland
2014-04-13T05:47:28 < zyp> not more north than norway?
2014-04-13T05:47:41 < dongs> is norway above arctic circle?
2014-04-13T05:47:50 < zyp> parts of it are
2014-04-13T05:47:53 < dongs> rite
2014-04-13T05:47:58 < dongs> so probly fairly close.
2014-04-13T05:48:02 < zyp> I grew up north of the arctic circle
2014-04-13T05:48:16 < zyp> but now I'm living south of it
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2014-04-13T07:46:05 < pelrun> woo, this f105 says it has 15 meg of flash
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2014-04-13T08:04:10 < dongs> fucking lilo cant keep thsi dumb network running
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2014-04-13T08:36:17 < emeb_mac> banana split
2014-04-13T08:36:36 < englishman> yummy
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2014-04-13T11:39:08 < Robint91> hi all
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2014-04-13T12:35:04 < dongs> fuck feenode
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2014-04-13T13:03:49 < baird> Sheesh. I asked about a Lattice FPGA board, and the local PFAG goes Evangelical Cult on me.. -_-
2014-04-13T13:07:29 < Robint91> baird, what did he say, that lattice is rubbish
2014-04-13T13:07:36 < dongs> isnt lattice heading to death together with Renesas
2014-04-13T13:08:56 < baird> Was looking at a MachXO2'7000 board. ~$28. ...but bloody $60 shipping.
2014-04-13T13:10:46 < baird> Gah. au.mouser even wants $40 shipping.
2014-04-13T13:14:00 < dongs> its not like au mouser ships from au..
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2014-04-13T13:32:55 < Lux> dongs: not really innovating, just a lame pcb for my bac thesis
2014-04-13T13:34:12 < Lux> temperature controller with a discovery board ^^
2014-04-13T13:36:09 < dongs> o lol. well shouldnt you be using dicktrace or somethin similarly "easy"
2014-04-13T13:36:58 < dongs> k ed
2014-04-13T13:36:59 < dongs> bed
2014-04-13T13:37:03 < dongs> 3am almost
2014-04-13T13:37:32 < Lux> my university uses altium :) and i wanted to refresh my skills
2014-04-13T13:37:34 < Lux> night
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2014-04-13T13:47:01 < baird> You're in Alaska again..
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2014-04-13T13:58:16 < Tectu_> baird.
2014-04-13T14:05:22 < baird> faggot.
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2014-04-13T16:24:12 < Tectu_> is there a way to build a static library (*.a) where one does not require to link to the actualy headers as well?
2014-04-13T16:24:26 < Tectu_> (when linking against the library afterwards)
2014-04-13T16:29:45 < qyx_> you don't link headers, you need headers at compile-time
2014-04-13T16:29:50 < qyx_> if you want to use that library
2014-04-13T16:32:47 < Tectu_> yes, and the question is, can the headers in some way be included into the library (they become part of the .a) so they don't have to be added manually later?
2014-04-13T16:33:59 < madist> Tectu_: what prompts this question ?
2014-04-13T16:34:39 < madist> function signatures can be extracted from a .a, but the way C/C++ works is by using headers to do that.
2014-04-13T16:35:01 < Tectu_> madist, I'm writing makefiles that build some libraries (like ChibiOS/RT and uGFX) so they can be easily included into some IDE. Otherwise one has to add all the required files to the IDEs file list / project tree manually which is quite a hassle
2014-04-13T16:35:22 < Tectu_> madist, namely this: http://www.emblocks.org/forum/viewtopic.php?f=23&t=397
2014-04-13T16:36:13 < madist> Tectu_: why do you need to add .H files to the ide manually ?
2014-04-13T16:36:39 < madist> why do you need to add .H files to the IDE at all.
2014-04-13T16:37:08 < madist> .C files are added. .H files get picked up by the preprocessor.
2014-04-13T16:37:09 < Tectu_> madist, I'm not really understand this whole process as I've only used vi + make for all my development so far. This entire IDE crap is still black magic to me.
2014-04-13T16:37:21 < Tectu_> There are some 'search directories' for the header files
2014-04-13T16:37:28 < Tectu_> so they don't have to be added into the file tree indeed.
2014-04-13T16:37:50 < madist> adding the search path for .H files is not any different than adding the search path for the .a file.
2014-04-13T16:38:47 < Tectu_> I see
2014-04-13T16:47:51 < Tectu_> actually works pretty well
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2014-04-13T21:19:09 < Tectu_> "Running FreeRTOS with Microsoft Windows Vista in 1 Hour"
2014-04-13T21:19:14 < Tectu_> http://embedded-tips.blogspot.ch/2010/04/running-freertos-with-microsoft-windows.html
2014-04-13T21:21:05 < Steffanx> Unlike the L15x a F103 does need an external pull up on the usb line, not?
2014-04-13T21:21:12 < Steffanx> ( when you ignore the errata of the L1 )
2014-04-13T21:21:40 < Robint91> Steffanx, yes
2014-04-13T21:21:53 < Robint91> Steffanx, just a resistor to a gpio pin will do
2014-04-13T21:26:09 < Steffanx> Thanks, and to bad :(
2014-04-13T21:26:11 < Steffanx> *too
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2014-04-13T21:45:27 < zyp> what's bad about it?
2014-04-13T21:45:48 < zyp> if you're really lazy you could even do just a resistor to 3.3V
2014-04-13T21:46:09 < zyp> only problem about that is that you can't soft-detach
2014-04-13T21:46:10 < qyx_> i assume he forgot to add it
2014-04-13T21:51:03 < Steffanx> nah, i dont have the pullup on my l1 based board
2014-04-13T21:51:31 < Steffanx> it works for now. I have some spare F103s and it seems they are pin compatible
2014-04-13T21:52:13 < Steffanx> so why not use them, but as the board doesn't have the pull up...
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2014-04-13T22:02:43 < Steffanx> i can solder some wire to a nearby unused pull up though. Don't need soft-detach
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2014-04-13T22:06:45 < Steffanx> qyx_, i didnt forget it. It wasn't required for the L1. I did overlook the errata about the value of the pull up being wrong.
2014-04-13T22:06:57 < Steffanx> but for now it works with the incorrect value just as well.
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2014-04-13T22:52:14 < dongs> sup pros
2014-04-13T22:52:30 < dongs>  Steffanx> Unlike the L15x a F103 does need an external pull up on the usb line, not?
2014-04-13T22:52:34 < dongs> yes
2014-04-13T22:52:39 < dongs> and you should tie it to gpio
2014-04-13T22:52:44 < dongs> if you wanna disconnect from USB sometimes.
2014-04-13T22:53:03 < dongs> oh, im old'ed
2014-04-13T22:53:15 < dongs> zyp: you can
2014-04-13T22:53:23 < dongs> just hacky
2014-04-13T22:54:39 < dongs> http://bcas.tv/paste/results/XCE4ER50.html
2014-04-13T23:03:43 < Steffanx> heh :)
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2014-04-13T23:05:11 < arko> anyone here familiar with SSP?
2014-04-13T23:05:24 < dongs> whats a ssp
2014-04-13T23:05:43 < dongs> is that a fancy name for SPI
2014-04-13T23:06:00 < arko> no
2014-04-13T23:06:05 < arko> its a little difference
2014-04-13T23:06:08 < arko> different*
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2014-04-13T23:11:27 < dongs> doesnt sound like anthting on stm32
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2014-04-13T23:20:37 < Laurenceb> http://www.marketwatch.com/story/techs-slip-as-exone-other-3-d-printer-stocks-fall-2014-03-20
2014-04-13T23:20:39 < Laurenceb> lolz
2014-04-13T23:21:05 < dongs> groupon haha.
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2014-04-13T23:27:58 < dongs> did they get into 3d dicking or something
2014-04-13T23:28:16 < dongs> https://www.groupon.com/deals/3d-printing-event/discussion
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--- Day changed Mon Apr 14 2014
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2014-04-14T00:14:11 < Laurenceb> http://www.phoronix.com/scan.php?page=news_item&px=MTY2Mjc
2014-04-14T00:14:16 < Laurenceb> truly epic fail
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2014-04-14T00:44:48 < scrts> pitty
2014-04-14T00:47:19 < scrts> http://news.yahoo.com/blogs/sideshow/man-eats-for-free-at-airport-145153681.html?.tsrc=sun%3Fdate900490090020
2014-04-14T00:47:21 < scrts> epic win
2014-04-14T00:47:24 -!- xorm [~hedonist@50-197-188-237-static.hfc.comcastbusiness.net] has quit [Quit: bye]
2014-04-14T00:56:49 < Steffanx> scrts: http://thebestpageintheuniverse.net/c.cgi?u=epic
2014-04-14T00:57:56 < scrts> srsly? no other could think of such shit, eat 300 days for free & finally get all the money back. this IS epic.
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2014-04-14T01:06:24 < Steffanx> i''ll make you epic scrts
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2014-04-14T02:48:28 < dongs> scrts: super old
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2014-04-14T02:51:39 < dongs> The Outreach Program for Women (OPW) helps women (cis and trans) and genderqueer get involved in free and open source software."
2014-04-14T02:51:43 < dongs> attn hackkitten
2014-04-14T02:51:45 < dongs> haha
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2014-04-14T04:42:52 < dongs> haha, so it looks like gnome basically bankrupted itself because it was running this queer women show
2014-04-14T04:42:55 < dongs> for like last 5+ years
2014-04-14T04:43:08 < dongs> paying up to 30 people 5k/summer or something
2014-04-14T04:43:27 < dongs> 150k/year just to support gays and queers
2014-04-14T04:43:31 < dongs> HILARIOUS
2014-04-14T04:43:51 < dongs> fuck women rights
2014-04-14T04:44:03 < dongs> they should stay in the kitchen where they belong
2014-04-14T04:46:57 < Bird|otherbox> dongs: what are you trying to imply, that it's wrong for guys to like cooking?
2014-04-14T04:51:21 < talsit> Bird|otherbox: dongs isn't trying to imply anything, he just trolls
2014-04-14T04:51:33 < Bird|otherbox> talsit: :P
2014-04-14T04:53:14 < dongs> i *never* troll.
2014-04-14T04:53:31 < talsit> oh... and he lies too
2014-04-14T04:54:21 < madist> where does he lie ?
2014-04-14T04:56:48 < baird> ..people donating for GNOME3? -_-
2014-04-14T04:57:07 < talsit> madist: on a bed of lies!
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2014-04-14T05:12:09 < dongs> baird: i know rite
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2014-04-14T05:13:28 < BrainDamage> maybe in the end gnome3 will turn into the oss version of gnaa
2014-04-14T05:13:37 < GargantuaSauce> one more reason to know my superiority is secure as a kde user
2014-04-14T05:14:22 < baird> DEs? Just exec sawfish like a real Unix/X11 user.
2014-04-14T05:15:03 < BrainDamage> just look at file pipes using cat
2014-04-14T05:15:12 < BrainDamage> like a real unix power user
2014-04-14T05:15:40 < baird> Oh no, but then I would be able to drap-and-drop the icon of an image into image.google ..which I can't do anyway because the browser is fullscreen'd..
2014-04-14T05:15:42 < GargantuaSauce> if you interact with your harddrive using anything more than dip switches and LEDs, you're doing it wrong
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2014-04-14T05:17:14 < baird> turbo buttons ftw
2014-04-14T05:17:55 < BrainDamage> i think we've circlejerked sufficiently
2014-04-14T05:19:37 < GargantuaSauce> really?
2014-04-14T05:19:43 < GargantuaSauce> you think that's a state that's attainable?
2014-04-14T05:20:32 < Rickta59> i just switched back to blackbox
2014-04-14T05:20:50 < Rickta59> feels exceedingly fast
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2014-04-14T05:40:50 < Thorn> https://www.youtube.com/watch?v=gxA8ni_9pXg
2014-04-14T05:46:39 < GargantuaSauce> sweet ending
2014-04-14T05:48:40 < Thorn> not sure if education or entertainment
2014-04-14T05:49:10 < GargantuaSauce> why not both.gif
2014-04-14T05:51:51 < dongs> surelytroll
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2014-04-14T05:56:09 < Thorn> why no turbofan
2014-04-14T05:56:32 < GargantuaSauce> starting simple?
2014-04-14T05:57:30 < Thorn> the course is about scramjets, looks like they're skipping turbofans completely
2014-04-14T05:57:54 < GargantuaSauce> makes sense
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2014-04-14T06:48:45 < Bird|otherbox> yeah
2014-04-14T06:48:57 < Bird|otherbox> turbofans are built for fuel economy, not speed
2014-04-14T06:50:19 < Bird|otherbox> which is interesting, because the highest-thrust jet engine in the world is a civil high-bypass turbofan (the GE90-115B), yet it probably has a lower specific fuel consumption than some (many?) military turbofans (before taking afterburning into account, even)
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2014-04-14T07:32:21 < emeb> good evening trolls
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2014-04-14T07:47:27 < gnomad> also, aren't turbofans just high-bypass turbojets?
2014-04-14T07:49:00 < GargantuaSauce> i think the distinction is simply whether more thrust comes from bypass air
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2014-04-14T11:18:26 < edmont> i'm trying to use PB3 as analog input for the comparator, but it is also TDO from JTAG
2014-04-14T11:18:57 < edmont> so, once y set this pin as analog input, jtag stop working and i'm not able to program or debug anymore
2014-04-14T11:19:03 < edmont> any workaround?
2014-04-14T11:19:44 < PaulFertser> edmont: swd?
2014-04-14T11:20:03 < edmont> PaulFertser: never used it
2014-04-14T11:20:08 < PaulFertser> edmont: you can reflash via jtag too if you connect reset pin and use appropriate config.
2014-04-14T11:20:19 < PaulFertser> But not debug running system via jtag of course.
2014-04-14T11:20:46 < edmont> yes, i'm able to reflash setting BOOT0 and BOOT1 to 1
2014-04-14T11:20:56 < edmont> but i want to debug :)
2014-04-14T11:21:01 < PaulFertser> edmont: what jtag adapter and what software are you using?
2014-04-14T11:21:26 < zyp> just get a swd-capable adapter if you don't already have it
2014-04-14T11:21:33 < edmont> ulink2 with keil uvision
2014-04-14T11:21:45 < zyp> that would be swd-capable
2014-04-14T11:21:58 < edmont> and that uses different pins?
2014-04-14T11:22:08 < zyp> no, a subset of them
2014-04-14T11:22:24 < edmont> which doesn't include TDO?
2014-04-14T11:22:32 < zyp> swd uses swdio and swclk, which is mapped to tms and tck
2014-04-14T11:23:03 < zyp> there's also an optional trace feature using swo mapped to tdo, but that's only needed for trace, not debugging
2014-04-14T11:23:29 < zyp> (and that trace functionality is not available when using jtag, so that's not anything you're gonna miss)
2014-04-14T11:23:48 < zyp> (obviously because that pin is used for tdo when you're using jtag)
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2014-04-14T11:32:26 < edmont> zyp: it works!
2014-04-14T11:32:28 < edmont> thx
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2014-04-14T12:09:14 < edmont> how to define the timer 2 interrupt handler for input capture mode?
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2014-04-14T12:15:56 < edmont> i defined void TIM2_IRQHandler(), however, i can see the CC4IF flag being set, but program not entering the handler
2014-04-14T12:17:02 < jpa-> edmont: check that the interrupt is enabled in CCIE
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2014-04-14T12:17:08 < jpa-> or something
2014-04-14T12:18:37 < edmont> jpa-: it is
2014-04-14T12:18:38 < edmont> // CC4E capture/compare 4 enable
2014-04-14T12:18:38 < edmont> 	TIM2->CCER  = 0x1000;
2014-04-14T12:19:48 < edmont> // INSEL=PB3, OUTSEL=TIM2 Input Capture 4, slow speed
2014-04-14T12:19:48 < edmont>   COMP->CSR |=  0x00040000;
2014-04-14T12:19:48 < edmont> // Capture 4 interrupt enable
2014-04-14T12:19:48 < edmont>   TIM2->DIER |=  0x0010;
2014-04-14T12:19:48 < edmont> //CC4 config as input, IC4 mapped to TI4
2014-04-14T12:19:48 < edmont>   TIM2->CCMR2 = 0x0011;
2014-04-14T12:19:48 < edmont> // CC4E capture/compare 4 enable
2014-04-14T12:19:49 < edmont>   TIM2->CCER  = 0x1000;
2014-04-14T12:19:49 < edmont> // fck=16/8=2MHz -> 2^16=32ms
2014-04-14T12:19:50 < edmont>   TIM2->PSC  = 8;
2014-04-14T12:20:00 < edmont> that's all the configuration
2014-04-14T12:20:21 < edmont> plus 	TIM2->CR1  = 1;    for enabling the counter
2014-04-14T12:21:41 < jpa-> did you enable the interrupt in NVIC?
2014-04-14T12:21:47 < edmont> nop :)
2014-04-14T12:22:25 < jpa-> consider it some time .)
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2014-04-14T12:30:38 < edmont> ok, jpa-, there are 6 EXTI registers
2014-04-14T12:30:53 < edmont> how to proceed to enable the interruption?
2014-04-14T12:31:00 < jpa-> and this is not an EXTI
2014-04-14T12:31:41 < jpa-> use something like           NVIC_EnableIRQ(USART2_IRQn);
2014-04-14T12:31:50 < edmont> mmm, then i cann't find the nvic registers
2014-04-14T12:32:05 < jpa-> from core_cm3.h
2014-04-14T12:32:55 < jpa-> NVIC is a ARM standard part so it is not in stm322fxxx.h bug in core_cm3.h
2014-04-14T12:32:58 < jpa-> *but
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2014-04-14T12:35:31 < edmont> i'm trying not to use configuration libraries
2014-04-14T12:35:36 < edmont> just registers
2014-04-14T12:36:23 < edmont> but, the STM32L152 reference manual states:
2014-04-14T12:36:29 < edmont> All interrupts including the core exceptions are managed by the NVIC. For more information on exceptions and NVIC programming, refer to the PM0056 programming manual.
2014-04-14T12:36:58 < edmont> and it's funny because there is no reference to NVIC in this manual
2014-04-14T12:36:59 < edmont> http://www.st.com/web/en/resource/technical/document/programming_manual/CD00228163.pdf
2014-04-14T12:37:23 < edmont> oops, there is
2014-04-14T12:37:25 < edmont> sorry
2014-04-14T12:37:34 < jpa-> well if you don't want to use a simple and well-tested one-line standard ARM CMSIS function, then look into core_cm3.h and copy-paste it
2014-04-14T12:38:24 < jpa-> the nvic registers are also defined in that header
2014-04-14T12:40:18 < edmont> ok, i'm using it :)
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2014-04-14T12:40:36 < edmont> what i dont like is this:
2014-04-14T12:40:38 < edmont> void  						EnableTimerInterrupt()
2014-04-14T12:40:39 < edmont> 						{
2014-04-14T12:40:39 < edmont>     NVIC_InitTypeDef nvicStructure;
2014-04-14T12:40:39 < edmont>     nvicStructure.NVIC_IRQChannel = TIM2_IRQn;
2014-04-14T12:40:39 < edmont>     nvicStructure.NVIC_IRQChannelPreemptionPriority = 0;
2014-04-14T12:40:39 < edmont>     nvicStructure.NVIC_IRQChannelSubPriority = 1;
2014-04-14T12:40:39 < edmont>     nvicStructure.NVIC_IRQChannelCmd = ENABLE;
2014-04-14T12:40:40 < edmont>     NVIC_Init(&nvicStructure);
2014-04-14T12:40:40 < edmont> 						}
2014-04-14T12:40:58 < edmont> but one line is ok :)
2014-04-14T12:40:58 < jpa-> yes, that is ST's stdperiph
2014-04-14T12:41:11 < jpa-> it sucks
2014-04-14T12:41:15 < jpa-> but ARM is not as stupid
2014-04-14T12:41:27 < edmont> :)
2014-04-14T12:43:11 < edmont> it's working now. thanks jpa-
2014-04-14T12:43:15 < jpa-> np
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2014-04-14T13:02:46 < karlp> Thorn: that jet engine video is from my old uni.
2014-04-14T13:03:19 < karlp> they've been working on their scramjet project for _EVAH_
2014-04-14T13:09:05 < baird> Not anymore.. http://www.abc.net.au/news/2013-09-19/australian-researchers-disappointed-over-failed-scramjet-test/4967108
2014-04-14T13:09:30 < baird> wait, that's just for that experiment, not the entire project..
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2014-04-14T13:22:29 < Laurenceb_> hi folks
2014-04-14T13:22:34 < Laurenceb_> anyone here used chibios?
2014-04-14T13:22:42 < Laurenceb_> ive got big issues with chprintf
2014-04-14T13:22:54 < Laurenceb_> https://github.com/Laurenceb/Chibi-Spectro/blob/master/main.c#L249
2014-04-14T13:24:22 < Laurenceb_> http://pastie.org/9079282
2014-04-14T13:24:34 < Laurenceb_> the first column has loads of junk
2014-04-14T13:26:50 < Laurenceb_> its like the first character gets repeated or deleted
2014-04-14T13:27:02 < Laurenceb_> never seen this behaviour before
2014-04-14T13:27:17 < dongs> whre is junk/
2014-04-14T13:27:20 < dongs> you mean the 1118 thing?
2014-04-14T13:29:27 < Laurenceb_> yes
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2014-04-14T13:57:05 < dongs> http://i.imgur.com/evcOBCE.jpg
2014-04-14T13:57:47 < Laurenceb_> lold
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2014-04-14T14:08:44 < dongs> http://archive.9news.com/news/story.aspx?storyid=372755
2014-04-14T14:08:44 < dongs> haha
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2014-04-14T16:18:27 < Laurenceb_> http://i.crackedcdn.com/phpimages/article/3/7/1/217371_v1.jpg
2014-04-14T16:18:31 < Laurenceb_> this is how i ride
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2014-04-14T20:25:42 < bilboquet> hello, i try to learn assembler. when i compil my code with -mcpu=cortex-m3 flag  it's ok  instruction : add r0, 1 is done.
2014-04-14T20:25:55 < bilboquet> but with -mcpu=cortex-m0 i have an eror blinkM0.s:73: Error: lo register required -- `add r0,1'
2014-04-14T20:26:06 < bilboquet> can you explain to me why. thanks
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2014-04-14T20:26:45 < PaulFertser> bilboquet: you should grab a copy of armv6-m instruction set manual :)
2014-04-14T20:27:24 < bilboquet> grab is done but i 'have to read it now :)
2014-04-14T20:27:39 < bilboquet> ok
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2014-04-14T20:34:01 < PaulFertser> bilboquet: http://web.eecs.umich.edu/~prabal/teaching/eecs373-f10/readings/ARM_QRC0006_UAL16.pdf might help
2014-04-14T20:37:22 < bilboquet> thanks,  assembler not easy at the beginning. I will read more doc
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2014-04-14T20:48:44 < PaulFertser> bilboquet: tbh, I can't see yet why add r0, 1 might be illegal for m0.
2014-04-14T20:50:02 < jpa-> what is "add r0, 1" supposed to do? should it be the same as "add r0, #1" or something?
2014-04-14T20:50:22 < jpa-> because wouldn't "1" by itself be a memory address?
2014-04-14T20:50:29 < PaulFertser> add r0, r0, #1
2014-04-14T20:50:51 < jpa-> maybe the # is required?
2014-04-14T20:50:57 < bilboquet> adds r0, r0 , $1 is ok
2014-04-14T20:51:31 < bilboquet> but i don't now yet what is do in code. just a minute
2014-04-14T20:51:42 < jpa-> strange though if it compiles for cortex-m3
2014-04-14T20:52:21  * PaulFertser is lucky to not need writing assembler often enough to remember the syntax :)
2014-04-14T20:52:53 < gxti> yeah i know shamefully little
2014-04-14T20:53:35 < Rickta59> cortex m0 is a subset of m3
2014-04-14T20:56:02 < bilboquet> here the code http://paste.org/71801 adapted from an cortex M3 exemple. but i  did not study the end (fault)
2014-04-14T20:56:49 < bilboquet> line 72 and 73
2014-04-14T20:57:06 < Steffanx> "Please support us by at least allowing ads when viewing our website - that is all we ask!
2014-04-14T20:57:09 < Steffanx> yikes.
2014-04-14T21:00:04 < effractur> don't like that
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2014-04-14T21:00:43 < bilboquet> what website ?
2014-04-14T21:00:48 < gnomad> paste.org
2014-04-14T21:00:58 < gnomad> simple solution: disable javascript
2014-04-14T21:01:23 < gxti> i don't see that, nor do i see any ads
2014-04-14T21:01:23 < gnomad> but if you are expecting help, you might want to use another paste server...
2014-04-14T21:01:23 < djlewis> i run ghostery
2014-04-14T21:01:56 -!- mumptai [~calle@brmn-4db70279.pool.mediaWays.net] has quit [Quit: Verlassend]
2014-04-14T21:02:24 < bilboquet> sorry this is the first that came out
2014-04-14T21:03:05 < Steffanx> nah, not sure if the guys that can help use those tools :P
2014-04-14T21:03:14 < Steffanx> ghostery/adblock plus
2014-04-14T21:08:11 < bilboquet> ok http://pastebin.archlinux.fr/499561 you'll find it line 72, 73
2014-04-14T21:10:46 < bilboquet> this blink PC8 not PC12 I have not updated all comments
2014-04-14T21:11:07 < Rickta59> that fails for you ?
2014-04-14T21:12:15 < bilboquet> oups i wrote adds instead of add in the paste
2014-04-14T21:12:57 < Rickta59> http://infocenter.arm.com/help/topic/com.arm.doc.dui0497a/DUI0497A_cortex_m0_r0p0_generic_ug.pdf#77
2014-04-14T21:13:10 < Rickta59> page 77 aka 3-31
2014-04-14T21:13:19 < Rickta59> look at the valid args for add
2014-04-14T21:14:08 < bilboquet> arm-none-eabi-as -mcpu=cortex-m0 -o blinkM0.o blinkM0.s give this error blinkM0.s:73: Error: lo register required -- `add r0,1'
2014-04-14T21:14:19 < Rickta59> right did you look at that link?
2014-04-14T21:14:21 < bilboquet> thanks for links
2014-04-14T21:14:50 < Rickta59> with add you can only use registers or offsets from sp or pc
2014-04-14T21:16:22 < bilboquet> excuse me but I have to leave for a moment. may be to earlier
2014-04-14T21:16:48 < bilboquet> thanks
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2014-04-14T21:29:09 < bilboquet> lol, I corrected the error without express in my paste. thank for this useful link Rickta59
2014-04-14T21:29:38 < Rickta59> is this the code associated with a queston on stellerisiti.com?
2014-04-14T21:30:16 < bilboquet> no, i don't think
2014-04-14T21:30:25 < Rickta59> http://forum.stellarisiti.com/topic/1937-alignment-in-thumb-assembly/
2014-04-14T21:30:37 < dongs> much blog
2014-04-14T21:30:39 < bilboquet> no
2014-04-14T21:31:01 < bilboquet> i can find you the source for cortex m3.
2014-04-14T21:31:14 < Rickta59> i was just wondering .. no need
2014-04-14T21:35:27 < bilboquet> Rickta59 : but  i 'm going to give it somme ressource now.
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2014-04-14T21:44:14 < dongs> why program in asm in 2014
2014-04-14T21:44:18 < dongs> you got too much time
2014-04-14T21:44:19 < dongs> ?
2014-04-14T21:44:32 < dongs> i could see if you were doing something innovative
2014-04-14T21:44:35 < dongs> or hardcore dsp
2014-04-14T21:44:39 < dongs> and actually knew what you were doing
2014-04-14T21:44:44 < dongs> but you're failing to add 1 to a register
2014-04-14T21:44:50 < SlaveToTheSauce> gotta start somewhere
2014-04-14T21:45:39 < dongs> it sounds more like boring homewokr than anything else tho
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2014-04-14T21:46:42 < bilboquet> it's just to understand the operation. i program real project in C
2014-04-14T21:49:56 < bilboquet> but it seems to me knowing  assembler is a base for embeded project.
2014-04-14T21:52:57 < Rickta59> sometimes is useful to inline some asm on the cortex m0
2014-04-14T21:59:28 < gnomad> for the most part it is sufficient to understand the ASM that your c compiler is generating
2014-04-14T22:00:11 < gnomad> you generally only need to *write* asm when your compiler generates shitty code.
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2014-04-14T22:30:46 < bilboquet> thanks for advices. I hope I will soon come to inline asm too
2014-04-14T22:32:15 < zyp> being able to write assembler is not very useful, usually the compiler is better than you
2014-04-14T22:32:51 < zyp> but being able to read and recognize what the compiler outputs is certainly useful
2014-04-14T22:33:02 < zyp> especially optimized code
2014-04-14T22:33:48 < bilboquet> better than me, it sure is :)
2014-04-14T22:40:21 < zyp> yes, better than me too
2014-04-14T22:41:21 < zyp> the compiler knows how to allocate registers efficiently and how to interleave instructions to take advantage of pipelining to not have them wait for each other to complete
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2014-04-14T22:41:37 < zyp> in addition to other unobvious optimizations
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2014-04-14T22:47:44 < karlp> anyone have any recommendations for a 24V->3v3 regulator? only needs to be ~50mA
2014-04-14T22:47:52 < karlp> less external parts the better
2014-04-14T22:51:35 < zyp> «only 50mA»
2014-04-14T22:52:04 < SlaveToTheSauce> yeah if that's a linear reg it'll be dissipating over a watt
2014-04-14T22:52:22 < zyp> just my tought
2014-04-14T22:53:41 < djlewis> resistor and zener
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2014-04-14T22:53:53 < djlewis> but then again, the current draw
2014-04-14T22:53:56 < SlaveToTheSauce> so you're pretty much stuck with a switcher and LC
2014-04-14T22:54:08 < gxti> plenty of good 3-terminal switcher modules you can drop in
2014-04-14T22:55:10 < gxti> for $5-ish. you can shave off a little bit if you design your own in but depending on how many you plan to make it might be smarter to use the module anyway
2014-04-14T22:55:38 < karlp> zyp: yeah, only 50mA, because lots ofthe 24V stuff is 2Amp or more,
2014-04-14T22:56:06 < karlp> and SlaveToTheSauce yeah, meant a buck regulator, or some sort of switcher,
2014-04-14T22:56:22 < gxti> there was a murata one i used a bunch but i think it's been superseded
2014-04-14T22:56:44 < gxti> but that general 3-pin 7805 style replacement is available from lots of manufacturers
2014-04-14T22:57:10 < karlp> we've got the space for layuing out a switcher ourselves, but I'll hav ea look at 7805 compatible ones,
2014-04-14T22:57:22 < karlp> wasn't really thinking of drop in LDO replacements actually,
2014-04-14T22:57:59 < gxti> again for low volumes it makes more sense to use the module just because you don't have to waste time laying it out and selecting parts and buying parts and tweaking it to not spew EMI and so on
2014-04-14T22:58:17 < karlp> well, this will be for more than low volumes
2014-04-14T22:58:31 < gxti> ah, in that case time to troll digikey
2014-04-14T22:58:32 < karlp> hopefully MILLLLLLIONS, but one step at a time.
2014-04-14T22:58:47 < karlp> yeah, trolling digikey this afternoona nd tomorrow, just wondering if anyone had one they liked,
2014-04-14T22:58:54 < karlp> 24V is a sucky voltage
2014-04-14T22:58:54 < gxti> just don't use garbage parts like 34063
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2014-04-14T23:00:53 < gxti> i used this before to compare to that murata module: http://www.digikey.com/product-detail/en/RT8289GSP/1028-1046-1-ND/3072324
2014-04-14T23:01:23 < gxti> simple enough to get working but i never tuned it to not suck, iirc it would squeal under load or if i touched it. not the IC's fault though.
2014-04-14T23:04:08 < karlp> that has 50mA in the curve on the far left edge of the graphs :)
2014-04-14T23:04:20 < karlp> but thanks for the poitners will chase them all down tomorrow
2014-04-14T23:04:28 < gxti> yeah i don't remember exactly what i was searching for, probably 200mA 36V
2014-04-14T23:04:38 < gxti> so there's probably something cheaper that fits your needs
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2014-04-14T23:09:08 < karlp> what's so sucky about the 34063? big coils, high queiescent current?
2014-04-14T23:11:29 < gxti> simplistic control scheme mainly. the size of the LC isn't going to change much from part to part.
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2014-04-15T03:52:18 < Thorn> mcp16301 -- 30V max input
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2014-04-15T05:19:54 < dongs> pros
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2014-04-15T05:22:27 < dongs> thats cute
2014-04-15T05:22:37 < dongs> provides a layout to fit it inside d2pak package
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2014-04-15T05:40:20 < munki> how does one set up a wait for about 50ms
2014-04-15T05:40:21 < munki> er
2014-04-15T05:40:22 < munki> 50ns
2014-04-15T05:41:38 < dongs> timer
2014-04-15T05:42:54 < gxti> 50ns? spin probably :p
2014-04-15T05:42:56 < Thorn> 50ns sounds like "better do it in hardware"
2014-04-15T05:44:41 < munki> hwo do you mean
2014-04-15T05:45:16 < Bird|otherbox> it's high-speed enough that you're better off using a FPGA or such
2014-04-15T05:45:29 < Thorn> the jitter will be higher than the delay itself lol
2014-04-15T05:45:36 < munki> i'm writing to a register on another IC
2014-04-15T05:45:53 < munki> it wants about 50ns between state changes
2014-04-15T05:46:16 < gxti> use a delay loop if you're lazy
2014-04-15T05:46:25 < munki> yea
2014-04-15T05:46:30 < gxti> or if you have a lot of updates to do maybe timer-triggered DMA
2014-04-15T05:46:51 < munki> not too many
2014-04-15T05:56:17 < bilboquet> inline asm :)
2014-04-15T05:56:32 < bilboquet> nop nop nop
2014-04-15T05:58:30 < Thorn> cortex-m folds nops
2014-04-15T05:58:36 < Thorn> fail.
2014-04-15T06:00:36 < gxti> interesting
2014-04-15T06:00:52 < gxti> well a nop and a branch will work :p
2014-04-15T06:01:06 < gxti> i.e. a loop. which you could just write in C. because this is obviously not a timing-critical thing.
2014-04-15T06:06:46 < bilboquet> ok, I am silent
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2014-04-15T06:17:20 < englishman> maybe delayMicroseconds(0) will be enough hehe
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2014-04-15T07:02:46 < dongs> munki: you dont need to delay 50ns for your shit
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2014-04-15T13:32:26 < karlp> Thorn: thanks, had that one on the list to look at already
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2014-04-15T15:18:54 < __rob> can anyone suggest why I am getting what I send echo'd back at me on UART1
2014-04-15T15:20:02 < __rob> my isr for the inturrupt is transmitting an AT command "ATI" for this module, and I get the reply ok, but with ATI prepended to it
2014-04-15T15:20:23 < jpa-> the gsm module has echo on?
2014-04-15T15:20:30 < __rob> its zigbee one
2014-04-15T15:20:38 < __rob> might be a regsiter for it tho
2014-04-15T15:20:44 < __rob> let me look, good point
2014-04-15T15:20:46 < jpa-> ATE0  or something
2014-04-15T15:21:25 < __rob> ughh yea, found a register
2014-04-15T15:21:30 < __rob> bit 4 set: no command echo
2014-04-15T15:21:32 < __rob> sounds about right
2014-04-15T15:21:37 < __rob> default is 00
2014-04-15T15:21:40 < __rob> for the register
2014-04-15T15:21:43 < __rob> thansk
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2014-04-15T16:03:51 < edmont> what is wrong with this timer configuration?
2014-04-15T16:04:10 < Tectu_> yes
2014-04-15T16:04:18 < edmont> 	// Downcounter, only underflow generates event, auto-reload enable
2014-04-15T16:04:18 < edmont> 	TIM3->CR1  |= 0x0094;
2014-04-15T16:04:18 < edmont> 	// Update interrupt enable
2014-04-15T16:04:18 < edmont>         TIM3->DIER |=  0x0001;
2014-04-15T16:04:18 < edmont> 	// 32 spc @ 50 Hz -> 625 us/sample -> 10000 counts @ 16 MHz
2014-04-15T16:04:18 < edmont> 	//TIM3->ARR = (uint16_t)(1000*16000000/frequency/SAMPLES_PER_CYCLE);
2014-04-15T16:04:19 < edmont> 	TIM3->ARR = 10000;
2014-04-15T16:05:21 < edmont> the problem is i get random interrupt handler calls
2014-04-15T16:05:57 < edmont> with all the flags activated in the status register
2014-04-15T16:06:29 < edmont> well, not all but CCxIF and UIF
2014-04-15T16:06:53 < edmont> i only want UIF
2014-04-15T16:07:01 < __rob> gotta love mouser
2014-04-15T16:07:10 < __rob> just gave me back my whole order amount
2014-04-15T16:07:13 < __rob> and told me to keep the parts
2014-04-15T16:07:23 < __rob> randomly, refunded me for other parts that were fine
2014-04-15T16:07:38 < __rob> only wanted to return 2
2014-04-15T16:09:14 < edmont> i don't know why input capture occur when i only activated update interrupt un DIER
2014-04-15T16:09:18 < edmont> in*
2014-04-15T16:20:54 < edmont> ok, i found that if i set CC2S to 11 in CCMR1 only UIF flag is set in SR
2014-04-15T16:21:16 < edmont> that's an advance, but still getting random interrupt handler calls
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2014-04-15T17:58:49 < synic> welp, I guess upgrading my BMP to the latest firmware was a bad idea.  Anyone have experience doing that?
2014-04-15T18:00:31 < Tectu_> probably you could leave some more details about the issues that you're now facing?
2014-04-15T18:02:05 < synic> Ok, so I successfully compiled the firmware, no problems there.  I then plugged it in while pressing the button, and ran scripts/stm32_mem.py src/blackmagic.bin
2014-04-15T18:02:25 < synic> everything seems to work fine there, but when I unplug and plug the BMP back in, a device doesn't show up in /dev
2014-04-15T18:02:52 < synic> I can reflash it just fine, but I can't get it to enumerate a device
2014-04-15T18:06:26 < Steffanx> The last time i upgraded it all worked just fine..
2014-04-15T18:08:04 < Steffanx> i guess you just ran "make" to built the fw for the "native" platform synic ?
2014-04-15T18:08:42 < synic> I followed these instructions: https://github.com/gsmcmullin/blackmagic/blob/master/HACKING
2014-04-15T18:09:36 < fbs> does something show up in dmesg?
2014-04-15T18:09:41 < synic> nope
2014-04-15T18:10:03 < fbs> heh how can you reflash it?
2014-04-15T18:10:18 < Steffanx> bootloader :)
2014-04-15T18:10:19 < synic> if I plug it in with the button pressed, it does show something in dmesg
2014-04-15T18:10:21 < synic> that part works fine
2014-04-15T18:10:36 < synic> but, otherwise, just the power led comes on, nothing in dmesg
2014-04-15T18:14:07 < Steffanx> i can share the fw i built a week or so ago, but then you still dont know why it fails now.
2014-04-15T18:14:30 < synic> well, that'd at least get it back to where I started :)
2014-04-15T18:14:58 < synic> probably just a toolchain problem
2014-04-15T18:15:02 < synic> or I'm just plain compiling it wrong
2014-04-15T18:15:31 < Steffanx> http://naffets.nl/share/blackmagic.bin
2014-04-15T18:15:44 < Steffanx> should be it.
2014-04-15T18:15:50 < synic> thanks!
2014-04-15T18:16:32 < Steffanx> i use the first version of the bmp, you probably have the mini, but that shouldnt be a problem afaik
2014-04-15T18:25:27 < Steffanx> and does t work synic ?
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2014-04-15T18:28:12 < synic> yes, thank you
2014-04-15T18:28:22 < Steffanx> :)
2014-04-15T18:28:28 < synic> now I can try and figure out what's wrong with my toolchain
2014-04-15T18:28:54 < synic> what does the original BMP look like?
2014-04-15T18:30:45 < Steffanx> http://blog.greenstage.co.nz/2011/02/black-magic-debug-probe.html
2014-04-15T18:31:29 < vadmeste> Hello everybody. Could you tell me if I am wrong ? To use the USB component, I should use PLL as system clock source, right ?
2014-04-15T18:31:56 < Steffanx> It has a large JTAG 2x10pin connector + level shifter
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2014-04-15T20:49:58 < Thorn> http://www.youtube.com/watch?v=ZD2hyL2xpg0&t=5m37s
2014-04-15T20:56:22 < dongs> why the fuck do tehse people have a fucking jet engine in their garage
2014-04-15T20:57:03 < BrainDamage> wouldn't you, given the chance
2014-04-15T20:58:45 < __rob> can anyone tell me, when using uart autobaudrate detection, do I need something constantly transmitting the other end ?
2014-04-15T20:59:00 < dongs> i tihnk you need 0xAA's or something?
2014-04-15T21:00:08 < __rob> so is that a 'feature' of uart that the other end should under some circumstance transmit that pattern ?
2014-04-15T21:00:24 < __rob> my problem is, If I want to autodetect on a module, I need to talk to the module to make it output..
2014-04-15T21:00:47 < __rob> seems like a chicken and egg situation..
2014-04-15T21:00:51 < dongs> well, AA is a 'easy' pattern to detect since its alternating bits
2014-04-15T21:01:00 < dongs> yes, if you ened to send something to make remote end output, youre kinda fucked.
2014-04-15T21:01:51 < __rob> right, seems relatively useless then..
2014-04-15T21:04:07 < Thorn> why isn't there a standard protocol like device 2 sends a long break, device 1 sends speed/parity/etc @ 2400bps or something like that
2014-04-15T21:04:24 < __rob> yup, that would make more sense
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2014-04-15T21:04:59 < __rob> its not a problem, there is a factory default, and then the baud I have configured.. so I just have to try both to see what state the module is in
2014-04-15T21:21:20 < synic> Steffanx: actually, apparently that .bin is doing the same thing.  I hold the button, plug it in, run python stm32_mem.py blackmagic.bin, wait for it to finish
2014-04-15T21:21:33 < synic> it doesn't create a device if I replug it in
2014-04-15T21:21:36 < synic> am I missing something here?
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2014-04-15T21:25:08 < Steffanx> weird synic.
2014-04-15T21:25:39 < synic> ok I'm about to ask a really dumb question - it doesn't need to be attached to a target to create a device, does it?
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2014-04-15T21:26:03 < superbia> Steffanx: dog
2014-04-15T21:27:08 < Steffanx> No, that's not reqired at all synic
2014-04-15T21:27:35 < superbia> so you did ignore me
2014-04-15T21:27:53 < superbia> dirty dutch
2014-04-15T21:28:05 < dongs> > python
2014-04-15T21:28:07 < dongs> found your problem
2014-04-15T21:28:15 < Steffanx> Python what dongs?
2014-04-15T21:28:21 < Steffanx> oh to load the firmware
2014-04-15T21:28:31 < synic> I tried the C version too
2014-04-15T21:28:45 < synic> bmp_upgrade in upgrade/
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2014-04-15T21:30:24 < Thorn> IIRC one bmp version had swd connected to the uart header, you might be able to reflash it using that
2014-04-15T21:30:55 < Steffanx> Why would he do that Thorn? The usb bootloader works..
2014-04-15T21:31:01 < Steffanx> At least it seems to load the fw
2014-04-15T21:33:06 < synic> yeah
2014-04-15T21:33:10 < synic> Programming memory at 0x08011400
2014-04-15T21:33:12 < synic> All operations complete!
2014-04-15T21:33:34 < Thorn> well then try going back to an earlier version of the firmware
2014-04-15T21:33:57 < synic> is there a repository of older ones?
2014-04-15T21:34:00 < Thorn> but it does seem like the loader fails (and then fails to report errors)
2014-04-15T21:34:15 < Thorn> github keeps a history of all commits
2014-04-15T21:34:55 < synic> PROBE_HOST=native
2014-04-15T21:34:57 < synic> hrmm
2014-04-15T21:35:04 < Steffanx> that's what it uses by default.
2014-04-15T21:35:16 < synic> that's what I want, though, right
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2014-04-16T01:53:45 < gxti> speaking of which i should productize my isolated BMP
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2014-04-16T02:17:30 < hesperaux_> question: for SPI slave mode, do I need to connect the RCC clock to the peripheral?
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2014-04-16T02:43:36 < englishman> you'll need to enable the spi periph's clock, yes
2014-04-16T02:43:39 < englishman> as well as gpio
2014-04-16T02:49:35 < hesperaux_> even though the clock is provided by the SPI master?
2014-04-16T02:49:37 < hesperaux_> that seems strange to me
2014-04-16T02:49:48 < hesperaux_> what is the rationale behind that?
2014-04-16T02:50:34 < englishman> "clock" means system clock, cmos logic needs constant clocking to work
2014-04-16T02:50:46 < englishman> SPI clock is for timing the communication signals
2014-04-16T02:51:04 < englishman> periph clock is for making the peripheral work
2014-04-16T02:52:48 < dongs> uhh
2014-04-16T02:52:56 < dongs> ^ yea what he said.
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2014-04-16T02:54:06 < englishman> iirc you can't even write to the registers without enabling clock in rcc first. but don't quote me on that
2014-04-16T02:55:36 < dongs> ou cant
2014-04-16T02:55:37 < dongs> y
2014-04-16T03:04:07 < zyp> 01:54:06 < englishman> iirc you can't even write to the registers without enabling clock in rcc first. but don't quote me on that
2014-04-16T03:04:12 < zyp> I quoted you on that
2014-04-16T03:04:41 < GargantuaSauce> and you CAN write to them, they just don't get written!
2014-04-16T03:04:48 < englishman> this guy
2014-04-16T03:05:02 < englishman> it's like a pen with no ink
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2014-04-16T03:05:25 < englishman> hmm can we be more precise still???
2014-04-16T03:05:50 < englishman> they get written, but because there is no clock to keep the flipflop active, the drains lose their charge!
2014-04-16T03:06:35 < aadamson> I thought drains lost water?
2014-04-16T03:07:02 < aadamson> :)
2014-04-16T03:11:14 < Bird|otherbox> well, you can try to write to them
2014-04-16T03:11:25 < Bird|otherbox> but no clock edge gets gated through to make the flops sensitive :P
2014-04-16T03:11:32 < Bird|otherbox> so, they just sit there.
2014-04-16T03:16:02 < dongs> them bits just sitting there
2014-04-16T03:16:41 < dongs> totally loking forward to this fucking flight
2014-04-16T03:17:00 < dongs> 11 hours international + 8? or so in connections
2014-04-16T03:17:01 < dongs> fuckinggreat
2014-04-16T03:17:09 < dongs> fuck usa
2014-04-16T03:17:33 < zyp> sounds like my trip back from korea last year
2014-04-16T03:17:57 < zyp> via fucking france
2014-04-16T03:18:43 < dongs> 3.5hr 1st branch 5 hr 2nd branch holy shit 11 hour to jp 2 hours last
2014-04-16T03:18:56 < dongs> 21.5 hours damn.a
2014-04-16T03:19:00 < dongs> im gonna be fucked
2014-04-16T03:19:19 < dongs> oh and then 3 hour drive
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2014-04-16T03:20:07 < dongs> http://i.imgur.com/8OjIfDE.jpg
2014-04-16T03:20:08 < dongs> oops
2014-04-16T03:20:57 < zyp> ok, that's worse than korea trip
2014-04-16T03:21:16 < zyp> because that was only 20 hours across three flights
2014-04-16T03:21:41 < zyp> worst part was four hours of waiting in france though
2014-04-16T03:22:45 < dongs> yeah i got ~2 hours of wait on each one
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2014-04-16T03:23:00 < dongs> that timing was just flight time.
2014-04-16T03:23:06 < dongs> this is pretty terrible
2014-04-16T03:23:16 < dongs> and I gotta assemble junk like as soon as I come back
2014-04-16T03:23:43 < zyp> how about that shit I wanted, when do you have time for that?
2014-04-16T03:23:54 < dongs> whenever? how come you didnt send any info yet
2014-04-16T03:24:00 < dongs> start a mail thread and get it rolling.
2014-04-16T03:24:08 < dongs> it could have been done if you didnt dick around :p
2014-04-16T03:25:05 < dongs> you mailing back the trashboards too?
2014-04-16T03:25:11 < zyp> you said you wouldn't have time for a couple of weeks, and I still need to adjust layout for SMT headers
2014-04-16T03:25:25 < zyp> not yet, I want to run all tests on all first
2014-04-16T03:25:35 < dongs> ok
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2014-04-16T03:25:54 < dongs> oh right for getting htem assembled here i'd need to be present.
2014-04-16T03:26:13 < zyp> yes, exactly :p
2014-04-16T03:26:47 < dongs> well, i have no idea wat leadtime is on those connectors. should I start that?
2014-04-16T03:27:33 < zyp> probably, but you should probably get the ones with the positioning pins
2014-04-16T03:27:44 < zyp> hang on, I'll look up my notes on that
2014-04-16T03:27:46 < dongs> got a part# for it?
2014-04-16T03:27:46 < dongs> yeah
2014-04-16T03:27:55 < dongs> i cant even find original email of dudes getting sampels.
2014-04-16T03:28:56 < zyp> 14:23:21 < dongs> PS3BM20-225GBOOT-U..1.27, SMT, H=2.0MM, 2X25P, ., .., .CAP, .., ROHS + NYLON 6TPCS14.5MOQ:1K
2014-04-16T03:29:00 < zyp> that's the samples
2014-04-16T03:29:14 < hesperaux_> okay, so how does the SPI slave lock into the incoming master clock?
2014-04-16T03:29:18 < dongs> found email
2014-04-16T03:29:29 < hesperaux_> for example, i clock the slave at 10mhz
2014-04-16T03:29:40 < hesperaux_> s/mhz/MHz
2014-04-16T03:29:43 < zyp> ah, you probably also want them with caps for p&p
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2014-04-16T03:29:55 < hesperaux_> and the master is sending a SPI clk of 16MHz
2014-04-16T03:29:55 < dongs> they're with caps
2014-04-16T03:29:59 < hesperaux_> how does that work?
2014-04-16T03:30:05 < zyp> the samples weren't
2014-04-16T03:30:13 < dongs> thats cuz they were in tube?
2014-04-16T03:30:51 < dongs> ha ha
2014-04-16T03:30:53 < dongs> leadtime 4-5 weeks
2014-04-16T03:31:14 < zyp> PS3BM20-225GBCPT-U should be right
2014-04-16T03:31:22 < dongs> OK
2014-04-16T03:31:24 < zyp> C for cap and P for peg
2014-04-16T03:31:45 < zyp> or possibly PS3BM20-225GBCPR-U with R for reel
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2014-04-16T03:32:07 < zyp> that's up to what fits p&p I guess
2014-04-16T03:34:48 < hesperaux_> anyone?
2014-04-16T03:35:28 < zyp> hesperaux_, does clock even matter for slave mode?
2014-04-16T03:35:41 < hesperaux_> zyp, that was my original question
2014-04-16T03:36:07 < zyp> as long as the spi peripheral itself is clocked fast enough to keep up with the data rate you should be fine I would assume
2014-04-16T03:36:48 < zyp> I'm not sure what the number on «fast enough» is, it might have to be a couple of times faster
2014-04-16T03:37:23 < englishman> The value set in the BR[2:0] bits in the SPI_CR1 register, does not affect the data
2014-04-16T03:37:23 < englishman> transfer rate.
2014-04-16T03:37:51 < gxti> zyp: probably just needs to be fast enough to read data out, not that you'd want to downclock it that much to begin with
2014-04-16T03:39:10 < zyp> unless you're clocking down the cpu or something you probably don't have to worry about it
2014-04-16T03:40:12 < gxti> likely the boundary between the shift register and storage registers is where it synchronizes
2014-04-16T03:40:14 < hesperaux_> the master is an F4 running at 128MHz (SPI at 16Mbps)
2014-04-16T03:40:37 < hesperaux_> the slave is an F103 running at some other speed i don't know yet
2014-04-16T03:41:02 < zyp> probably not a problem then
2014-04-16T03:41:23 < hesperaux_> well, the F1 doesn't do anything
2014-04-16T03:41:35 < hesperaux_> i.e. it doesn't respond to the master clock
2014-04-16T03:43:50 < hesperaux_> http://pastebin.com/RsNtTjLx This is the configuration code for the F1. It never sends anything out of MISO, even though the master is clocking. My logic analyzer is seeing an 8MHz clock (it's supposed to be 16 - not sure what's up yet)
2014-04-16T03:44:18 < hesperaux_> but I don't think I'm enabling the RCC for those pins (the SPI slave pins)
2014-04-16T03:45:54 < upgrdman> gpio clock must be enabled, and the pins config'd for the right gpio mode
2014-04-16T03:46:16 < hesperaux_> i'll paste that part
2014-04-16T03:47:17 < dongs> hesperaux_: whatare you doing, big picture
2014-04-16T03:48:01 < dongs> DMA_InitStructure.DMA_PeripheralBaseAddr = SPI2_DR_Address; i would have written this as (uint32_t)&SPI2->DR; to avoid any failings.
2014-04-16T03:48:03 < hesperaux_> the slave sends a signal that tells the F4 it is done collecting data (ADC/I2C sensors). That data is placed into a memory range, which is DMA'd by the SPI2 slave
2014-04-16T03:48:14 < hesperaux_> the F4 initiates a clock as the SPI master
2014-04-16T03:48:26 < hesperaux_> the slave should then send the data via DMA that was collected to the master via MISO
2014-04-16T03:48:47 < hesperaux_> dongs, i'll make that change
2014-04-16T03:48:51 < dongs> so yeah, checklis, gpio clock, gpio af configured, spi clock, spi configured, etc.
2014-04-16T03:49:03 < dongs> DMA controller needs clock too
2014-04-16T03:49:27 < hesperaux_> http://pastebin.com/Nvd0r6vG <--gpio code
2014-04-16T03:49:32 < hesperaux_> the DMA is clocked
2014-04-16T03:50:01 < hesperaux_> what i didn't do was clock the SPI2 periph with RCC APB2
2014-04-16T03:50:10 < hesperaux_> that was probably the issue - i'll try it momentarily to see
2014-04-16T03:50:16 < dongs> uh yeah
2014-04-16T03:50:19 < hesperaux_> the pins are config'd as AF
2014-04-16T03:50:25 < dongs> RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); that doesnt work.
2014-04-16T03:50:36 < hesperaux_> wait where is that?
2014-04-16T03:50:51 < upgrdman> spi at 16MHz, but "GPIOC_InitStruct.GPIO_Speed = GPIO_Speed_2MHz; // BEEF SPEEDS"  ??
2014-04-16T03:50:55 < hesperaux_> oh fail. that's supposed to be APB2
2014-04-16T03:51:10 < hesperaux_> upgrdman, GPIOC is not being used for SPI iirc
2014-04-16T03:51:19 < englishman> hm, keil would not let that compile, right?
2014-04-16T03:51:28 < hesperaux_> using ARM compiler
2014-04-16T03:51:29 < upgrdman> k
2014-04-16T03:51:36 < hesperaux_> (gcc-arm-eabi w/e)
2014-04-16T03:51:56 < hesperaux_> which is better - 25MHz GPIO speed or 10MHz for 16MBps spi
2014-04-16T03:52:13 < hesperaux_> i picked the closest value, as I understand the GPIO "Speed" sets the "impedence" of the pin, if you will
2014-04-16T03:53:32 < hesperaux_>     RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); <---why does this not work?
2014-04-16T03:53:45 < dongs> it should.
2014-04-16T03:54:04 < hesperaux_> it was already there - i glazed over it. so the peripheral should be clocked
2014-04-16T03:54:15 < hesperaux_> for the F103, SPI2 is indeed on APB1, according to the header files
2014-04-16T03:54:29 < hesperaux_> the pins are config'd as AF
2014-04-16T03:54:36 < hesperaux_> and I enabled the AFIO clock too
2014-04-16T03:55:19 < hesperaux_> for NSS, do I need to enable that pin as an AFIO or a IN_FLOATING?
2014-04-16T03:55:30 < gxti> it's an input, it doesn't matter
2014-04-16T03:55:39 < gxti> input pullup would be best
2014-04-16T03:55:53 < hesperaux_> hmm, ok
2014-04-16T03:56:15 < hesperaux_> so "SPI_NSS" isn't considered an alternate function for that pin?
2014-04-16T03:56:20 < hesperaux_> i'm using hardware slave select
2014-04-16T03:56:26 < gxti> it can be an output if you're in master mode, but you're not
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2014-04-16T04:17:24 < hesperaux_> <--- idiot derpy head herp
2014-04-16T04:17:52 < hesperaux_> i seriously effed up which SPI port i'm using, as far as hardware is concerned
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2014-04-16T04:18:01 < hesperaux_> wait
2014-04-16T04:18:07  * hesperaux_ might be wrong about being wrong
2014-04-16T04:18:10  * hesperaux_ explodes
2014-04-16T04:19:25 < gxti> are you sure?
2014-04-16T04:20:51 < englishman> just study it out
2014-04-16T04:25:53 < hesperaux_> trying
2014-04-16T04:26:10 < hesperaux_> it is confusing because i also have an NRF24L01+ on another SPI bus
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2014-04-16T04:44:11 < ds2> anyone know if silicone grease is compatible with a soldering iron?
2014-04-16T04:55:00 < hesperaux_> well shit - now my board won't program
2014-04-16T04:55:07 < hesperaux_> wtf
2014-04-16T04:55:54 < hesperaux_> ds2, sorry don't know
2014-04-16T05:00:59 < hesperaux_> ds2, ask in ##electronics
2014-04-16T05:01:11 < hesperaux_> they will flim fam the bim bam and help you out
2014-04-16T05:08:49 < ds2> nothing urgent...trying to see if there is a way to prevent seizing of metcal tips
2014-04-16T05:19:27 < hesperaux_> is there some trick to doing 16 bit spi that i don't know about?
2014-04-16T05:25:29 < hesperaux_> ok so Nyquist would kick my ass if he was here
2014-04-16T05:25:47 < hesperaux_> when you buy a cheap chinese LA, and it says 24Mbps, what they really mean is 24MHz
2014-04-16T05:25:53 < hesperaux_> i.e. 12Mbps
2014-04-16T05:26:04 < hesperaux_> ffffffffffffff
2014-04-16T05:31:47 < englishman> grab the $22 100MHz logic16 clone
2014-04-16T05:32:12 < englishman> you get 3 channels at full speed
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2014-04-16T05:56:46 < upgrdman> la spec's in Mbps? are you sure it wasn't listed as Msps?
2014-04-16T05:57:56 < GargantuaSauce> megasucks per second
2014-04-16T06:02:09 < englishman> hm
2014-04-16T06:02:19 < englishman> saleae homepage says 24msms but tech details say 24mhz
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2014-04-16T06:02:33 < zyp> don't be stupid
2014-04-16T06:02:38 < zyp> it's digital sampling
2014-04-16T06:03:13 < englishman> nyquist is spinning in his grave
2014-04-16T06:03:26 < englishman> saleae software also says 24mhz
2014-04-16T06:03:34 < zyp> 24MHz, 24MSps and 24Mbps would be the same in this context
2014-04-16T06:04:11 < upgrdman> oh ya i suppose that is true
2014-04-16T06:04:25 < zyp> nyquist doesn't have anything to do with it, there's no analog bandwith in here
2014-04-16T06:04:34 < zyp> 24MHz refers to the sampling clock, not bandwith
2014-04-16T06:04:55 < zyp> although the aliasing effect is similar to nyquist of course
2014-04-16T06:04:56 < englishman> 42nS sampling
2014-04-16T06:04:59 < englishman> 24Mhz
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2014-04-16T07:41:17 < dongs> 11:25 < hesperaux_> when you buy a cheap chinese LA, and it says 24Mbps, what they really mean is 24MHz
2014-04-16T07:41:20 < dongs> uh duhhhhh
2014-04-16T07:41:48 < hesperaux_> dongs, that was my frist assumption - which is why i asked LeelooMinai if it could do 24mbit before i bought it...
2014-04-16T07:42:15 < dongs> oh bro
2014-04-16T07:42:18 < dongs> you'reabout to go on hard ignore
2014-04-16T07:42:22 < dongs> for associating with that dude.
2014-04-16T07:42:25 < hesperaux_> lol
2014-04-16T07:42:29 < hesperaux_> girl*
2014-04-16T07:42:39 < dongs> are you dumb?
2014-04-16T07:42:44 < dongs> its not a girl.
2014-04-16T07:42:54 < hesperaux_> ok
2014-04-16T07:42:55 < dongs> its a dude and its PAINFULLY obvious
2014-04-16T07:43:11  * hesperaux_ doesn't really care
2014-04-16T07:43:14 < dongs> k
2014-04-16T07:43:33 < dongs> those saleae clones are garbage anyway. at least they're priced to match their function
2014-04-16T07:44:54 < hesperaux_> it works fine at 12mbps
2014-04-16T07:45:09 < hesperaux_> afaict
2014-04-16T07:47:47 < hesperaux_> anyway i'm using a 100MHz one now
2014-04-16T07:48:07 < dongs> your copy of saleae logic is not genuine
2014-04-16T07:48:15 < hesperaux_> hehe
2014-04-16T07:48:17 < dongs> disabling expensive functions like actually properly working software
2014-04-16T07:48:25 < dongs> and making your wallpaper black
2014-04-16T07:48:34 < hesperaux_> um, what?
2014-04-16T07:48:53 < hesperaux_> also, i'm not using Logic with my 100Mhz LA
2014-04-16T07:49:02 < hesperaux_> it's WaveForms (Digilent)
2014-04-16T07:49:12 < hesperaux_> not as pretty, but it works
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2014-04-16T08:02:21 < LeelooMinai> hesperaux_: dongs is dellusional hater:)
2014-04-16T08:03:19  * hesperaux_ doesn't take sides
2014-04-16T08:03:42 < LeelooMinai> hesperaux_: And the clones are super-value, not garbage - you can use them find on pretty much all uC serial bus scenarios
2014-04-16T08:03:44 < dongs> LeelooMinai, my script has just informed me that you are talking in the channel. I would like to make you aware of the fact that, even though I know you are typing something, any messages from your IP address are removed from my Chat window.
2014-04-16T08:04:03 < hesperaux_> lol
2014-04-16T08:04:07 < LeelooMinai> ^ what did I say - nuts:)
2014-04-16T08:04:35 < hesperaux_> i'm just annoyed because i thought you said these would work for 16mbit SPI
2014-04-16T08:04:46 < dongs> barely
2014-04-16T08:05:06 < dongs> you would just capture at 24 and deal with a double-wide bit here and tehre
2014-04-16T08:05:11 < LeelooMinai> hesperaux_: Well, they kind of work - you can still decoe it in most cases
2014-04-16T08:05:12 < hesperaux_> but it's not able to keep up - it misses 6-8 of the clocks due to nyquist; which anyone would expect for 24MHz bandwidth
2014-04-16T08:05:31 < hesperaux_> i'll use them for 12mbit or less and i'm sure it'll be reliable
2014-04-16T08:05:31 < dongs> hesperaux_: acutally itsprobably mising it because software is trash.
2014-04-16T08:05:36 < zyp> dongs, except you don't get the bit clock so you don't know where the transitions are
2014-04-16T08:05:38 < dongs> its just ezusbfx2 and 8bit 24mhz fifo
2014-04-16T08:05:42 < hesperaux_> dongs, don't like saleae logic?
2014-04-16T08:05:58 < LeelooMinai> hesperaux_: Also, when I was writing 24MHz in previous discussions, I always meant the sampling rate - I thought it was obvious
2014-04-16T08:06:16 < dongs> zyp, well, you get a nasty distorted bitclock
2014-04-16T08:06:21 < LeelooMinai> hesperaux_: They also have saleae 16 clones
2014-04-16T08:06:30 < zyp> dongs, a useless one, yes
2014-04-16T08:06:36 < hesperaux_> LeelooMinai, i misunderstood i suppose
2014-04-16T08:06:45 < hesperaux_> sigh. at least i got a replacement analog discovery to handle this
2014-04-16T08:06:52 < hesperaux_> LeelooMinai, i saw the logic16 clones
2014-04-16T08:07:04 < LeelooMinai> hesperaux_: They have fpga on board and can do 100MHz with few channels
2014-04-16T08:07:05 < dongs> zpy, geting anywhere with that pata proj?
2014-04-16T08:07:15 < hesperaux_> i saw those
2014-04-16T08:07:18 < dongs> or still waiting for 4l spot? :P
2014-04-16T08:07:21 < LeelooMinai> hesperaux_: I have one
2014-04-16T08:07:31 < zyp> uh, I have the board design more or less done, so yes, I just need a 4l spot
2014-04-16T08:07:32 < LeelooMinai> hesperaux_: Works fine
2014-04-16T08:07:52 < hesperaux_> for the price, 3 channels isn't enough. i would want 8 (two spi busses)
2014-04-16T08:08:24 < zyp> I think I had some final touchups left or something I had to check, dunno
2014-04-16T08:08:38 < LeelooMinai> hesperaux_: Well, they also have some crazy 500 Msps ones with 32 channels, but they are $100+ - good price still, but I don't know about their software
2014-04-16T08:08:58 < hesperaux_> yeah, chinese LA software doesn't excite me much
2014-04-16T08:09:02 < hesperaux_> hehe
2014-04-16T08:09:14 < dongs> i bet LeelooMinai's dick excites you tho
2014-04-16T08:09:32 < hesperaux_> at some point, I will probably spring for a expensive one
2014-04-16T08:09:42 < LeelooMinai> hesperaux_: Also, why do you need to see that 16Msps SPI anyways? When I debug SPI, I just slow it down, then let ot run at 24Msps:)
2014-04-16T08:09:52 < dongs> do you actually *need* to analyze hte data at 16 or just confirm its there?
2014-04-16T08:09:52 < hesperaux_> dongs, that's an interesting point of view you have there
2014-04-16T08:10:09 < dongs> i mean if you have control over both ends, I dont really think what the data "is" matters.
2014-04-16T08:10:13 < hesperaux_> dongs, you and LeelooMinai just suggested the same thing
2014-04-16T08:10:22 < dongs> you can just confimr timing/cs pulse etc iwth cheap crap.
2014-04-16T08:10:30 < hesperaux_> hmm
2014-04-16T08:10:33 < LeelooMinai> dons is pretty sad - he is so desperate to put me in bad light, he tries to change my gender:p
2014-04-16T08:10:48 < zyp> it's a bit hard to check CPHA if your analyzer can't keep up with the signal
2014-04-16T08:10:55  * hesperaux_ yawns
2014-04-16T08:11:02 < dongs> well, but he does have control over both ends
2014-04-16T08:11:10 < zyp> because if the analyzer doesn't keep up, the phase of all transitions gets lost
2014-04-16T08:11:13 < zyp> true
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2014-04-16T08:11:25 < dongs> so if he just reads datasheet he should know wat cpha is.
2014-04-16T08:14:03 < hesperaux_> hmm
2014-04-16T08:14:34 < hesperaux_> so why when i bring CS low and clock the line does the slave not talk to me?
2014-04-16T08:14:36 < hesperaux_> D:<
2014-04-16T08:14:39 < hesperaux_> cannot figure it out
2014-04-16T08:14:47 < dongs> ur doing it wrong
2014-04-16T08:14:57 < hesperaux_> yeah i know - it sucks bra
2014-04-16T08:15:04 < hesperaux_> can't figure out how i fail
2014-04-16T08:15:21 < dongs> you expect response by DMA?
2014-04-16T08:15:30 < hesperaux_> yeah
2014-04-16T08:15:30 < dongs> you configured memorytopherpiheral DMA correcetly?
2014-04-16T08:15:34 < LeelooMinai> hesperaux_: What is your problem with that SPI anyways?
2014-04-16T08:16:35 < LeelooMinai> hesperaux_: If you are using DMA, make sure you are using specific DMA channel for that SPI
2014-04-16T08:16:47 < hesperaux_> LeelooMinai, wait what?
2014-04-16T08:17:15 < LeelooMinai> hesperaux_: Yes, they are not universal this way - there's a table that shows which DMA channel can work with which peripheral
2014-04-16T08:17:24 < hesperaux_> ffuuuuu
2014-04-16T08:17:26 < hesperaux_> i missed that
2014-04-16T08:17:42 < hesperaux_> i actually read the whole DMA document and i failed
2014-04-16T08:17:53 < LeelooMinai> Yes, it's kinf of non-obcious
2014-04-16T08:17:59 < LeelooMinai> non-obvious
2014-04-16T08:18:05 < LeelooMinai> They messed it a bit in the docs
2014-04-16T08:18:07 < hesperaux_> i just picked DMA1_Channel2 (cuz i was already using Channel1)
2014-04-16T08:18:52 -!- madist [madist@unaffiliated/madist] has quit [Ping timeout: 240 seconds]
2014-04-16T08:18:53  * hesperaux_ melts into a pile of flesh
2014-04-16T08:19:30 < hesperaux_> which page in the docs is that?
2014-04-16T08:19:39 < LeelooMinai> Are you using M0?
2014-04-16T08:19:50 < hesperaux_> no, it's M3 (F103RG)
2014-04-16T08:20:16 < LeelooMinai> Hmm, I wonder if M3 is the same
2014-04-16T08:20:18 < LeelooMinai> Let me see
2014-04-16T08:21:11 < hesperaux_> http://www.st.com/web/en/resource/technical/document/reference_manual/CD00171190.pdf
2014-04-16T08:21:18 < hesperaux_> checkin it out now
2014-04-16T08:22:06 < LeelooMinai> Page 273
2014-04-16T08:23:36 < hesperaux_> >_<
2014-04-16T08:23:54 < hesperaux_> how the hell did I miss that
2014-04-16T08:24:23 < hesperaux_> well that's good to know
2014-04-16T08:24:29 < LeelooMinai> It's easy to miss because they do not mention it in other places at all
2014-04-16T08:24:40 < hesperaux_> the next thing i am wondering about is what actually triggers the DMA to start transmitting?
2014-04-16T08:24:56 < zyp> dma requests
2014-04-16T08:25:11 < LeelooMinai> It triggers when you put data into spi buffer
2014-04-16T08:25:14 < zyp> they are similar to interrupt requests, except routed to the dma controllers instead of the nvic
2014-04-16T08:25:18 < LeelooMinai> Orr can trigger
2014-04-16T08:25:21 < hesperaux_> when I bring the NSS line low, what should happen if i did it right?
2014-04-16T08:25:32 < zyp> nothing
2014-04-16T08:25:36 < LeelooMinai> If you are master - nothing:)
2014-04-16T08:25:42 < hesperaux_> if i'm slave with hardware NSS
2014-04-16T08:25:52 < zyp> but the SPI peripheral will ignore data when NSS is high
2014-04-16T08:25:54 < hesperaux_> the master is clocking, and it's bringing the NSS line low on the slave
2014-04-16T08:26:03 < hesperaux_> but the slave ignores it right now - not sure why
2014-04-16T08:26:10 < zyp> LeelooMinai, not true, in multimaster mode, NSS low will switch it to slave mode
2014-04-16T08:26:30 < LeelooMinai> I think he is not using multimaster
2014-04-16T08:26:33 < hesperaux_> zyp, that's true - although in this case i'm not doing that
2014-04-16T08:26:44 < hesperaux_> there's only one master and multiple slaves (eventually). I'm testing with one right now
2014-04-16T08:27:20 < hesperaux_> I assumed that when NSS goes low, the SPI peripheral will see the assertion, a DMA request will happen, and the DMA will fill the SPI DR
2014-04-16T08:27:29 < hesperaux_> isn't that the point of hardware NSS?
2014-04-16T08:27:46 < LeelooMinai> hesperaux_: Well, DMA will not trigger until actual data is received
2014-04-16T08:27:47 < zyp> no
2014-04-16T08:27:47 < hesperaux_> i could interrupt on low transition for NSS pin and just set TXE=1, but that would require CPU time
2014-04-16T08:28:06 < zyp> NSS has nothing to do with DMA
2014-04-16T08:28:27 < zyp> also, you're doing it wrong
2014-04-16T08:28:31 < LeelooMinai> hesperaux_: SPI interrupts work on buffer events - when the buffer is empty for transmitting, non-empty on receiving, etc.
2014-04-16T08:28:59 < LeelooMinai> hesperaux_: The NSS can be done in hardware and then you don't really worry about it
2014-04-16T08:29:28 < LeelooMinai> uC can also pulse it between data, if slave requires it
2014-04-16T08:29:43 < LeelooMinai> hesperaux_: But it's not really conneced to DMA/interrupts
2014-04-16T08:29:58 < hesperaux_> ok..
2014-04-16T08:30:10 < zyp> LeelooMinai, that's actually fucking annoying, when you want to use it to reset a state machine
2014-04-16T08:30:26 < LeelooMinai> zyp: Well, you can also software control it
2014-04-16T08:30:26 < hesperaux_> even though i don't think i understood that before, i can still say that the master IS clocking data out
2014-04-16T08:30:28 < zyp> which you often want when doing a slave
2014-04-16T08:30:46 < hesperaux_> i have it send 5555, and it is sending it; the master is bringing NSS low, clocking the line and sending 0x5555
2014-04-16T08:30:46 < zyp> LeelooMinai, as a slave you don't control it either way
2014-04-16T08:31:06 < LeelooMinai> hesperaux_: So? That's good, no? :)
2014-04-16T08:31:11 < hesperaux_> so what needs to happen for the slave to respond and send its data? The master data is irrelevant. I only want the slave to transmit its shit
2014-04-16T08:31:50 < LeelooMinai> hesperaux_: Normally the slave should shift data as the master sends it
2014-04-16T08:32:00 < zyp> hesperaux_, when NSS goes low, the slave starts waiting for clocks, and sends data at the same time as it's receiving from the master
2014-04-16T08:32:00 < hesperaux_> ideally, i would have the master clock the line, send 0x0, and the slave not care at all about what it RXs; just send the data back with the clock
2014-04-16T08:32:09 < hesperaux_> that's what i thought
2014-04-16T08:32:13 < LeelooMinai> hesperaux_: But you should check the slave datasheet to see what they expect from the master
2014-04-16T08:32:23 < hesperaux_> and when the peripheral needs data, because i've set up dma, it should get the data from a memory address automatically, right?
2014-04-16T08:32:33 < zyp> LeelooMinai, he is not interacting with a slave, he is doing a slave.
2014-04-16T08:32:33 < hesperaux_> LeelooMinai, the slave is an F103
2014-04-16T08:32:39 < hesperaux_> the master is an F407
2014-04-16T08:32:43 < hesperaux_> i am programming both ends
2014-04-16T08:32:53 < LeelooMinai> Well, one end is a master then:)
2014-04-16T08:33:05 < LeelooMinai> Same thing I guess
2014-04-16T08:33:25 < hesperaux_> the master is apparently doing the right thing right now, so that's good
2014-04-16T08:33:36 < hesperaux_> the problem is that when the master clocks the line, the slave just leaves MISO=1
2014-04-16T08:33:40 < hesperaux_> it never transitions at all
2014-04-16T08:33:51 < hesperaux_> i would have expected random, or 0, if it were actually reading memory. i don't get it
2014-04-16T08:34:07 < LeelooMinai> hesperaux_: Did you configure it in duplex mode?
2014-04-16T08:34:10 < hesperaux_> i've tried different direction settings on the slave
2014-04-16T08:34:25 < hesperaux_> i tried full duplex, TXOnly (so as not to have to read the spi receive buffer), and 1lineRX
2014-04-16T08:34:35 < hesperaux_> I couldn't find documentation detailing how those are different
2014-04-16T08:34:52 < hesperaux_> except to reverse engineer the bits they set and compare to the datasheet, which I haven't done
2014-04-16T08:35:07 < zyp> http://paste.jvnv.net/view/1HezC <- here's some SPI slave code I wrote a couple of weeks ago
2014-04-16T08:35:25 < zyp> not sure if that's relevant for your use, but you might get a few hints from it
2014-04-16T08:35:33 < zyp> it's interrupt driven, doesn't use DMA at all
2014-04-16T08:36:50 < hesperaux_> thanks zyp, i'll take a look
2014-04-16T08:36:52 < zyp> also, that protocol has an ACK line that has nothing to do with SPI at all, so ignore that
2014-04-16T08:36:52 < LeelooMinai> hesperaux_: Did you configure the RX pin correctly?
2014-04-16T08:37:18 < hesperaux_> LeelooMinai, one sec. gonna skim his code real quick
2014-04-16T08:37:38 < LeelooMinai> hesperaux_: Are you using some tool to see uC registers when debugging?
2014-04-16T08:38:13 < hesperaux_> i haven't done that yet
2014-04-16T08:38:15 < zyp> hesperaux_, bear in mind that that code is written for F3, not F1, so there's some small differences
2014-04-16T08:38:24 < hesperaux_> i mean, i debug using the discovery
2014-04-16T08:38:25 < zyp> but the overall working is the same
2014-04-16T08:38:35 < LeelooMinai> hesperaux_: If you are not - you are doing it as a blind man:)
2014-04-16T08:38:37 < hesperaux_> haven't checked the RX buffers yet, but i was using breakpoints to see if certain things even happen
2014-04-16T08:38:55 < LeelooMinai> hesperaux_: What compiler/IDE are you using?
2014-04-16T08:38:58 < hesperaux_> C++? huh.
2014-04-16T08:39:08 < zyp> hesperaux_, yeah, I'm weird like that
2014-04-16T08:39:10 < hesperaux_> LeelooMinai, coocox ide w/ arm gcc
2014-04-16T08:39:57 < LeelooMinai> Hmm... I use Eclipes + arm plugin + EmbSysReg <- that's the things you want to see what's going on (I mean really, you want something similar)
2014-04-16T08:40:07 < LeelooMinai> I use C++ too actually
2014-04-16T08:40:22 < LeelooMinai> Slimmed down without exceptions etc.
2014-04-16T08:40:52 < zyp> LeelooMinai, stop pushing your choice of tools on others when nobody asked for it
2014-04-16T08:41:32 < LeelooMinai> zyp: No idea what you are talking about
2014-04-16T08:42:01 < zyp> oh, it's just a polite way of saying «shut the fuck up»
2014-04-16T08:42:07 < LeelooMinai> I gave an example of what can show the registers - not sure if CooCoo or what he is using has an analogoue of that
2014-04-16T08:42:31 < zyp> nobody asked how to see registers
2014-04-16T08:42:51 < LeelooMinai> zyp: I am not talking to you, but him - why are you talking in his name?
2014-04-16T08:43:20 < zyp> you are talking in a public channel, I'm free to reply as I see fit
2014-04-16T08:43:44 < LeelooMinai> O, great, then we agree - I am free to give advice as I fit too:)
2014-04-16T08:43:59 < hesperaux_> lol this always happens
2014-04-16T08:44:19 < hesperaux_> internet is the best
2014-04-16T08:44:45 < LeelooMinai> hesperaux_: Anyways, the reason I recommended the register view is that you will be able to see the actual state of all peripherals and it will be easier to diagnose problems with them
2014-04-16T08:45:20 < hesperaux_> LeelooMinai, i can observe the registers in coocox; just haven't checked the RX buffer on the slave. Since the RX is irrelevant to my application, it didn't occur to me that it could be important
2014-04-16T08:45:23 < hesperaux_> in full duplex it would be
2014-04-16T08:45:28 < hesperaux_> but i was trying to use TXOnly
2014-04-16T08:45:38 < hesperaux_> but i don't fully understand the TXOnly directional mode
2014-04-16T08:46:08 < zyp> hesperaux_, the data register isn't interesting, if anything you should look at the status flags
2014-04-16T08:46:13 < LeelooMinai> hesperaux_: It has to do how internal fifo buffers are linked, I saw an illustration of thios in some app note I think
2014-04-16T08:46:41 < zyp> and txonly isn't really interesting
2014-04-16T08:46:52 < hesperaux_> can a slave be TXOnly?
2014-04-16T08:47:04 < zyp> SPI by nature is always receiving and transmitting at the same time, and you should cope with it by sending dummy data in all unused slots
2014-04-16T08:47:28 < hesperaux_> zyp, i was trying to avoid the peripheral shutting off if i didn't explicitly read the RX
2014-04-16T08:47:37 < hesperaux_> cuz reading the RX takes some time and isn't important for this app
2014-04-16T08:47:57 < hesperaux_> i could probably use dma to read it, but that's just making it more complicated
2014-04-16T08:48:10 < zyp> a slave won't shut off or stop transmitting
2014-04-16T08:48:11 < hesperaux_> i say this because on Microchip, if you don't read the RX buffer it will die
2014-04-16T08:48:12 < LeelooMinai> hesperaux_: Not much
2014-04-16T08:48:24 < hesperaux_> heh, so STM32 is a bro?
2014-04-16T08:48:26 < zyp> the slave will just set the overrun flag and keep on transmitting
2014-04-16T08:48:35 < hesperaux_> hmm
2014-04-16T08:48:38 < hesperaux_> that's just fine then
2014-04-16T08:48:42  * hesperaux_ sets mode to full duplex
2014-04-16T08:48:45 < zyp> the overrun flag indicates that you lost received data
2014-04-16T08:49:10 < hesperaux_> yeah - on microchip if that flag gets set, it shuts off the transceiver until you clear the condition
2014-04-16T08:49:16 < hesperaux_> interrupt or not
2014-04-16T08:49:24 < hesperaux_> it ate my breakfast one day
2014-04-16T08:49:40 < zyp> doesn't matter either way, reading is cheap
2014-04-16T08:50:52 < hesperaux_> yeah, i guess so
2014-04-16T08:51:22 < hesperaux_> i'm gonna debug this real quick. After a bunch of master transmissions, what should I expect to see for the flag state?
2014-04-16T08:51:39 < zyp> RXNE
2014-04-16T08:51:48 < zyp> indicates that it has received a byte from master
2014-04-16T08:52:30 < zyp> by the way, how are you intending for this SPI protocol to work?
2014-04-16T08:52:41 < hesperaux_> zyp, it should go like this:
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2014-04-16T08:52:59 < zyp> are you just using it as a byte stream or will you do commands or another kind of framed messages?
2014-04-16T08:53:28 < hesperaux_> First, the master keeps a 1ms timer and triggers the slave with a logic output. The slave gathers data from sensors in under 500us (verified). It then sends DONE to the master on another logic pin.
2014-04-16T08:53:32 < hesperaux_> this is pre-SPI protocol^
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2014-04-16T08:54:20 < hesperaux_> whent he master gets DONE, it lowers NSS and sends 0x5555 (or any data, doesn't matter). The slave receives the 16 bits and the clock and sends out the data that it gathered.
2014-04-16T08:54:34 < hesperaux_> the master knows how much data is required; it will stop clocking the bus when finished
2014-04-16T08:54:37 < hesperaux_> that's it
2014-04-16T08:54:44 < hesperaux_> no special commands or anything - just a data dump
2014-04-16T08:54:58 < zyp> ah, right
2014-04-16T08:55:10 < hesperaux_> the data is inserted by DMA on the slave while it is gathered. When the master clocks the line, he should get the data using DMA from the same memory
2014-04-16T08:55:10 < zyp> then DMA is the simplest way
2014-04-16T08:55:23 < hesperaux_> the dma works fine for the data gathering stage
2014-04-16T08:55:38 < hesperaux_> the only thing i have left to do is retrieve the data from the slave. ;D
2014-04-16T08:56:15 < zyp> ok, after data is gathered you should configure a DMA channel to read the gathered data and write it to the SPI data register, triggered by the TXE event
2014-04-16T08:56:48 < zyp> TXE will be high initially because there's no data in the TX register, so the first byte gets transferred immediately
2014-04-16T08:57:08 < zyp> and then it sits ready in the SPI peripheral for the master to start clocking
2014-04-16T08:57:44 < zyp> then as soon as the master sets NSS low and starts clocking, it will send data, and when the first word is sent, the TXE register will trigger DMA to transfer another word
2014-04-16T08:58:11 < zyp> that's all there is to it on the slave side, really
2014-04-16T08:58:22 < zyp> you don't have to bother about any SPI interrupts or the likes
2014-04-16T08:58:45 < hesperaux_> hmm
2014-04-16T08:58:53 < hesperaux_> so you say the DMA should be triggered by the TXE event
2014-04-16T08:58:57 < hesperaux_> would that be done right here:
2014-04-16T08:58:57 < zyp> yes
2014-04-16T08:59:42 < hesperaux_>     SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx, ENABLE); // Enable SPI DMA mode
2014-04-16T08:59:50 < zyp> anyway, if you want to test that SPI is working correctly before dealing with DMA you can just have a loop that waits for TXE and then puts a word into the data register
2014-04-16T09:00:02 < zyp> hmm, that sounds right
2014-04-16T09:00:15 < hesperaux_> okay - it may just be what LeelooMinai said then - using the wrong dma channel for SPI2
2014-04-16T09:00:26 < hesperaux_> i just picked the next in line dma channel, which is bad apparently
2014-04-16T09:00:38 < hesperaux_> cuz as far as i can tell, i'm doing what you suggested
2014-04-16T09:00:41 < zyp> yes, all channels are hardwired to particular functions
2014-04-16T09:01:03 < zyp> so you have to use a channel wired to the particular SPI interface
2014-04-16T09:01:41 < hesperaux_> looks like channel 5 for this one. changing that now
2014-04-16T09:02:50 < hesperaux_> well, the slave is still not sending D:
2014-04-16T09:03:51 < zyp> ok, disregard DMA and try the loop thing
2014-04-16T09:04:15 < zyp> then get that working first
2014-04-16T09:05:51 < hesperaux_> that's a good idea
2014-04-16T09:07:19 < zyp> I always prefer starting with something simple and get that working first before adding complexity rather than putting in all the complexity first and then trying to get it working ;)
2014-04-16T09:08:44 < hesperaux_> that's how i got the first dma crap working
2014-04-16T09:08:51 < jpa-> on the other hand, sometimes it is fun to code 10000 lines and then fish out all the bugs in one go :)
2014-04-16T09:09:02 < hesperaux_> and my stubborn ass felt so accomplished i thought i'd go big into the next thing
2014-04-16T09:09:13 < zyp> jpa-, better to avoid putting them in in the first place ;)
2014-04-16T09:09:14 -!- madist [madist@unaffiliated/madist] has quit [Ping timeout: 252 seconds]
2014-04-16T09:09:19 < hesperaux_> heh
2014-04-16T09:13:12 -!- Abhishek_ [uid26899@gateway/web/irccloud.com/x-nlopyyyhunjafjcg] has joined ##stm32
2014-04-16T09:18:33 -!- DanteA [~X@host-89-157-66-217.spbmts.ru] has joined ##stm32
2014-04-16T09:20:36 -!- amstan [~alex@aichallenge/admin/amstan] has quit [Quit: Konversation terminated!]
2014-04-16T09:21:10 < hesperaux_> well, i did the while loop trick: while(1) { while(SPI2->SR & 0x02);   SPI2->DR = 0x9292; }
2014-04-16T09:21:23 < hesperaux_> second bit of SR is TXE
2014-04-16T09:21:35 < hesperaux_> nothing gets sent still
2014-04-16T09:21:49 < hesperaux_> so SPI is prolly jacked - i didn't disable the DMA stuff to test that, so i'm gonna do that now
2014-04-16T09:22:26 < hesperaux_> wanna hear a funny story?
2014-04-16T09:22:34 < hesperaux_> SPI2_Slave_init <--- a nice function i wrote that sets up the SPI port
2014-04-16T09:22:40 < hesperaux_> guess who NEVER CALLED THAT FUNCTION
2014-04-16T09:22:42 < hesperaux_> <-- this guy
2014-04-16T09:23:33 < hesperaux_> LOL.
2014-04-16T09:23:39 < hesperaux_> zyp, while loop test works.
2014-04-16T09:24:30 -!- Robint91 [~Robint91_@2a02:2c40:400:0:1980:ee6a:8012:5a97] has joined ##stm32
2014-04-16T09:24:40 < zyp> good, then what remains is just to get DMA working
2014-04-16T09:24:47 < hesperaux_> LeelooMinai, thanks for the tip on the DMA channel - I think that was part of the problem too
2014-04-16T09:24:57 < hesperaux_> zyp, i'm pretty sure it is working now
2014-04-16T09:25:14 < hesperaux_> gonna try to verify (the data it sends is somewhat random for all intents and purposes)
2014-04-16T09:25:38 < zyp> you could always test by pointing DMA to some predictable dummy-data :p
2014-04-16T09:26:01 < zyp> but if it's changing at all then it's probably working
2014-04-16T09:26:43 < zyp> when you're not sending anything it'll probably remain in the previous state and thus send either all ones or all zeros
2014-04-16T09:27:41 < hesperaux_> ok
2014-04-16T09:27:47 < hesperaux_> one thing that concerns me
2014-04-16T09:27:57 < hesperaux_> it appears there is way too much data for the remaining time i have
2014-04-16T09:28:25 < zyp> what do you mean?
2014-04-16T09:28:26 < hesperaux_> it has to send 312 16bit words
2014-04-16T09:28:28 < hesperaux_> in 500us
2014-04-16T09:28:32 < hesperaux_> actually
2014-04-16T09:28:39 < hesperaux_> less... in like 150us
2014-04-16T09:28:56 < zyp> you're sending at 16MHz, right?
2014-04-16T09:28:57  * hesperaux_ must have miscalculated the number of words
2014-04-16T09:29:01 < hesperaux_> yeah, supposedly
2014-04-16T09:29:08 < zyp> that's 1us per word, so 312us in all
2014-04-16T09:29:09 < hesperaux_> but the data has like 2us of delay before the next word
2014-04-16T09:29:23 < hesperaux_> looking at the thing on my LA at least it appears to be like that
2014-04-16T09:29:57 < zyp> that sounds like a problem on the master side
2014-04-16T09:30:02 < zyp> how are you running the master?
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2014-04-16T09:30:52 < zyp> I mean, on the LA trace, look at both the clock and the data
2014-04-16T09:30:57 < hesperaux_> well, i bring nSS low, then do while(i++ < WORDCOUNT) { send_receive_frame(0x5555) } basically
2014-04-16T09:31:17 < zyp> is the clock toggling continously or are there gaps in the clock between words?
2014-04-16T09:31:28 < hesperaux_> the word is sent in 1us about
2014-04-16T09:31:42 < hesperaux_> and then there's a gap between the that frame and the next frame
2014-04-16T09:31:49 < hesperaux_> the clock has a huge gap
2014-04-16T09:31:53 < hesperaux_> 1.96us
2014-04-16T09:32:02 < zyp> ok, then it's the master
2014-04-16T09:32:04 < hesperaux_> the amount of time to loop back in the while loop?
2014-04-16T09:32:17 < hesperaux_> and to increment the i?
2014-04-16T09:32:23 < zyp> unlikely
2014-04-16T09:32:29 < hesperaux_> yeah =\
2014-04-16T09:32:39 < zyp> how does send_receive_frame look?
2014-04-16T09:32:56 < zyp> sounds like it's doing something silly womewhere
2014-04-16T09:33:08 < hesperaux_> i'll pastebin it
2014-04-16T09:33:17 < hesperaux_> i'm also considering whether some random interrupt is firing
2014-04-16T09:33:54 < hesperaux_> http://pastebin.com/icHUzisC
2014-04-16T09:34:12 < hesperaux_> btw forgive my blatant ignorance of the return type
2014-04-16T09:34:24 < hesperaux_> haven't gotten that far. should be uint_least16_t or w/e
2014-04-16T09:35:24 < zyp> hmm
2014-04-16T09:35:55 < zyp> looks fine to me, but I don't know if your abstraction layers and stuff are adding a lot of overhead
2014-04-16T09:36:03 < zyp> which optimization level are you building this at?
2014-04-16T09:36:09 < hesperaux_> 0
2014-04-16T09:36:09 < zyp> might be that
2014-04-16T09:36:11 < zyp> ah
2014-04-16T09:36:15 < zyp> try -O2
2014-04-16T09:36:20 < hesperaux_> i never optimize cuz it has messed up shit before
2014-04-16T09:36:25 < hesperaux_> but this is interrupt driven right? :P
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2014-04-16T09:36:29 < zyp> try -O2
2014-04-16T09:36:30 < zyp> heh
2014-04-16T09:36:33 < hesperaux_> will do
2014-04-16T09:37:20 < zyp> if optimizations break your code, you are making false assumptions
2014-04-16T09:37:41 < hesperaux_> umm
2014-04-16T09:37:54 < hesperaux_> i compiled and flashed the -02 version
2014-04-16T09:38:00 < hesperaux_> it fails
2014-04-16T09:38:33 < zyp> that's not my fault :)
2014-04-16T09:38:35 < hesperaux_> it appears to be triggering the START signal still
2014-04-16T09:38:43  * hesperaux_ checks the frequency. should be 1K
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2014-04-16T09:41:12 < hesperaux_> wow
2014-04-16T09:41:32 < hesperaux_> -O0 works fine. -O1 or -O2 breaks it entirely, at least the SPI part
2014-04-16T09:41:53 < zyp> as I said, that means your code is broken
2014-04-16T09:42:53 < zyp> optimization related bugs are usually a result of you assuming something that's not guaranteed in the language spec, and when you enable optimizations, the compiler doesn't do what you assumed any more
2014-04-16T09:43:28 < hesperaux_> hmm
2014-04-16T09:43:33 < hesperaux_> like delay loops?
2014-04-16T09:43:37 < hesperaux_> what could be affected?
2014-04-16T09:43:39 < zyp> yes
2014-04-16T09:44:26 < zyp> delay loops are essentially code that doesn't do anything, so unless you've explicitly marked it volatile then the compiler may detect that it's useless and throw it out
2014-04-16T09:45:25 < hesperaux_> yeah
2014-04-16T09:45:33 < hesperaux_> well, the systick is still working perfectly with -02
2014-04-16T09:45:42 < hesperaux_> it's got a 1.000Khz START signal which is good
2014-04-16T09:45:56 < zyp> delay loops are also pretty pointless when you have a chip whith a ton of different timers that are actually accurate :p
2014-04-16T09:46:32 < zyp> if you pastebin the entire code then I can take a look and see if I can spot anything obvious
2014-04-16T09:46:35 < jpa-> except for sub-microsecond delays.. like if bitbanging some 10MHz bus :)
2014-04-16T09:46:53 < hesperaux_> figured it out
2014-04-16T09:46:54 < zyp> jpa-, yeah, that's the only reason I've used them myself
2014-04-16T09:47:03 < hesperaux_> my main loop depended on a boolean which is set by an interrupt
2014-04-16T09:47:17 < hesperaux_> it was not marked volatile, so the compiler removed the variable because main() never sets it
2014-04-16T09:47:30 < zyp> that's also a common problem
2014-04-16T09:48:05 < zyp> and that's pretty obvious when you think about what optimizations do
2014-04-16T09:48:27 < hesperaux_> :D the time between clock groupings is now only 940ns!
2014-04-16T09:48:29 < zyp> optimizations eliminate pointless read operations, when it knows it already have the variable contents stored in a register
2014-04-16T09:48:36 < hesperaux_> ^_^
2014-04-16T09:48:42 < hesperaux_> owned
2014-04-16T09:49:03 < hesperaux_> it'd be cool if it was even faster, since the chip is running at 128MHz...i wonder if it can be
2014-04-16T09:49:18 < hesperaux_> how much time do you think TXE->DMA->DR takes?
2014-04-16T09:49:22 < zyp> and working with optimizations disabled only lets you make more of those mistakes that goes undetected until next time you enable optimizations
2014-04-16T09:49:38 < zyp> of course it can be faster
2014-04-16T09:50:02 < zyp> the chip is fast enough to transfer words back to back as long as it doesn't have to waste time on doing bullshit
2014-04-16T09:50:48 < hesperaux_> hmm
2014-04-16T09:50:55  * hesperaux_ needs to find this bullshit
2014-04-16T09:51:18 < hesperaux_> it's still too slow for what I need. I gotta get that delay down
2014-04-16T09:51:25 < hesperaux_> it could be limited by the slave though right?
2014-04-16T09:51:30 < zyp> hmm, actually I haven't tested that at 16MHz myself, so I can't guarantee it :)
2014-04-16T09:51:32 < zyp> no
2014-04-16T09:51:36 < hesperaux_> if the slave's clock is lower (72MHz)
2014-04-16T09:51:42 < zyp> the SPI clock is solely driven by the master
2014-04-16T09:51:49 < hesperaux_> true
2014-04-16T09:51:56 < hesperaux_> if the slave was too slow it would just clock out bad data
2014-04-16T09:52:02 < zyp> yes
2014-04-16T09:52:04 < hesperaux_> but i'm getting an actual delay
2014-04-16T09:52:06 < zyp> that may also happen
2014-04-16T09:52:18 < hesperaux_> yeah i'll keep an eye out for that
2014-04-16T09:52:22 < zyp> but that's unrelated to clock delays
2014-04-16T09:52:36 < zyp> by the way, why not use DMA on the master too?
2014-04-16T09:52:49 < hesperaux_> i was going to actually
2014-04-16T09:52:56 < zyp> that will probably eliminate the clock gaps
2014-04-16T09:52:57 < hesperaux_> just haven't gotten there yet. do you think that might speed it up?
2014-04-16T09:52:59 < hesperaux_> hmm
2014-04-16T09:53:08 < hesperaux_> that would be very tasty
2014-04-16T09:53:17 < hesperaux_> i've become a big fan of DMA in a very short time
2014-04-16T09:53:37 < zyp> the DMA peripheral on F4 is a lot nicer to work with too
2014-04-16T09:54:28 < hesperaux_> =]
2014-04-16T09:54:39 < hesperaux_> <3 stm32
2014-04-16T09:55:02 < hesperaux_> just have to say that after working on microchip for a long time, accomplishing very little, i have accomplished far more on stm32 in a shorter time
2014-04-16T09:55:11 < hesperaux_> microchip has crap software libs :(
2014-04-16T09:55:53 < zyp> PIC?
2014-04-16T09:55:55 < zyp> which?
2014-04-16T09:55:57 < hesperaux_> yeah
2014-04-16T09:56:04 < dongs> does it matter which?
2014-04-16T09:56:06 < dongs> they're all garbage
2014-04-16T09:56:08 < hesperaux_> i've used pic12, pic18, pic32, dspic33 and pic24
2014-04-16T09:56:16 < dongs> you lasted more than I did
2014-04-16T09:56:18 < hesperaux_> basically not pic16
2014-04-16T09:56:21 < dongs> I tried dSPIC24 once
2014-04-16T09:56:22 < dongs> never again
2014-04-16T09:56:24 < hesperaux_> and i haven't done a whole lot on any of them
2014-04-16T09:56:26 < dongs> completely worthless
2014-04-16T09:56:30 < zyp> dongs, dunno, pic32 might be sort of usable, being mips
2014-04-16T09:56:43 < hesperaux_> but i do have some working NRF24L01+ code for dsPIC33/pic24
2014-04-16T09:56:43 < jpa-> other pics also work for trivial jobs
2014-04-16T09:56:56 < zyp> the 8-bit shit is awful, with banked memory and shit
2014-04-16T09:57:01 < hesperaux_> the reason pic lives is because they are extremely cheap and have more hardware config varieties i think
2014-04-16T09:57:10 < hesperaux_> the 8 bit ones are really deceiving
2014-04-16T09:57:15 < hesperaux_> you think they're useful
2014-04-16T09:57:18 < dongs> extremely cheap?????????????????????????
2014-04-16T09:57:20 < hesperaux_> and then you go and do something
2014-04-16T09:57:32 < dongs> F0 is cheaper than atmel 8bit shit, i would suspect pic is similar
2014-04-16T09:57:34 < hesperaux_> and you rage because the docs for those chips/libs haven't been updated in 5 years
2014-04-16T09:57:44 < hesperaux_> depends on what you're talking about
2014-04-16T09:57:50 < hesperaux_> for example, a pic12 is like 60 cents
2014-04-16T09:58:06 < hesperaux_> a dspic33f suitable for basic motor control might be 5 bucks
2014-04-16T09:58:11 < dongs> and wha can pic12 do?
2014-04-16T09:58:15 < dongs> F0 is like 60 seoncds
2014-04-16T09:58:16 < hesperaux_> which is a lot cheaper in volume than the M0, say
2014-04-16T09:58:17 < dongs> er cents
2014-04-16T09:58:25 < dongs> and is 32bit @64mhz
2014-04-16T09:58:27 < hesperaux_> is it?
2014-04-16T09:58:27 < zyp> hesperaux_, what are these libs you're talking about?
2014-04-16T09:58:29 < dongs> with io and useful peripherals
2014-04-16T09:58:35 < hesperaux_> zyp, the microchip standard peripheral library
2014-04-16T09:58:52 < hesperaux_> dongs, don't get me wrong - i definitely like arm better after using it
2014-04-16T09:58:56 < zyp> well, the stm32 standard peripheral library is horrible, so I don't know :p
2014-04-16T09:59:00 < hesperaux_> arm is really well architected
2014-04-16T09:59:04 < hesperaux_> zyp, is it really??
2014-04-16T09:59:06 < hesperaux_> wow
2014-04-16T09:59:10 < dongs> hesperaux_: http://www.digikey.com/product-detail/en/STM32F030F4P6TR/STM32F030F4P6TR-ND/4755941
2014-04-16T09:59:12 < zyp> well, I think it is
2014-04-16T09:59:14 < dongs> for example
2014-04-16T09:59:14 < hesperaux_> then the microchip one is EXTREME SUPREME SHIT OF ASS
2014-04-16T09:59:20 < zyp> but that's my personal opinion
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2014-04-16T09:59:28 < hesperaux_> because if ind the STM library to be a dream come true
2014-04-16T09:59:33 < zyp> dongs seems to like stdperiphlib, so it depends on who you ask
2014-04-16T09:59:34 < dongs> thats comparable to dick12 probably
2014-04-16T10:00:13 < hesperaux_> dongs, i see what you mean. Can you buy those in 1-10 quantity?
2014-04-16T10:00:31 < dongs> they're not that much more expensive in single
2014-04-16T10:00:33 < dongs> like $1.something
2014-04-16T10:00:46 < zyp> hesperaux_, why do you care about price if you only need 1-10
2014-04-16T10:00:46 < dongs> but when F103 is like $2.odds on waevsharewhy bother
2014-04-16T10:00:49 < dongs> ^
2014-04-16T10:01:00 < hesperaux_> zyp, i was curious for myself, as a hobbyist
2014-04-16T10:01:07 < hesperaux_> i'd like to buy some STM32Fs for projects
2014-04-16T10:01:14 < hesperaux_> instead of inserting a gigantic discovery board in there :P
2014-04-16T10:01:44 < hesperaux_> there must be some reason why microchip still lives
2014-04-16T10:02:16 < zyp> I've made over 300 boards with F3 at $4 each now, and the only reason I'm not using the cheaper F1 is because the F1 GPIO stuff is horrible :p
2014-04-16T10:02:24 < hesperaux_> hehe
2014-04-16T10:02:36 < hesperaux_> when you say F1, you mean like F10x?
2014-04-16T10:02:40 < zyp> yes
2014-04-16T10:02:43 < hesperaux_> hm
2014-04-16T10:03:03 < hesperaux_> do they have an F3 discovery/nucleo?
2014-04-16T10:03:06 < zyp> F1 is the oldest stm32 family, all the newer families have some nice improvements
2014-04-16T10:03:09 < zyp> yes
2014-04-16T10:03:24 < hesperaux_> i thought F1 and F3 were both M3 cores?
2014-04-16T10:03:28 < hesperaux_> how are they different?
2014-04-16T10:03:30 < zyp> no, F3 is M4
2014-04-16T10:03:33 < hesperaux_> oh i see
2014-04-16T10:03:46 < hesperaux_> what about the new "value line"
2014-04-16T10:03:58 < hesperaux_> i.e. VL100
2014-04-16T10:04:06 < zyp> isn't that also F1?
2014-04-16T10:04:11 < zyp> if so, it's old.
2014-04-16T10:04:18 < hesperaux_> technically - it isn't clear to me really
2014-04-16T10:04:19 < zyp> F0 is the new lowend family
2014-04-16T10:04:23 < hesperaux_> i got one of those for dicking with some motors
2014-04-16T10:04:27 < zyp> with M0 processors instead
2014-04-16T10:04:40 < hesperaux_> have you guys ever used any of the wireless MCUs?
2014-04-16T10:04:51 < zyp> STM32W?
2014-04-16T10:04:55 < hesperaux_> i was pondering those for future play
2014-04-16T10:04:56 < hesperaux_> yeah
2014-04-16T10:05:06 < hesperaux_> i found that pretty interesting
2014-04-16T10:05:08 < zyp> no, it's poorly documented
2014-04-16T10:05:14 < hesperaux_> damn
2014-04-16T10:05:20 < zyp> and isn't it EOL or something now too?
2014-04-16T10:05:32 < hesperaux_> is it? wouldn't be able to tell from their advertising
2014-04-16T10:05:43 < zyp> however, I've worked a bit with nRF51822
2014-04-16T10:05:56 < hesperaux_> is that the 2.4GHz embedded on an 8081?
2014-04-16T10:05:58 < zyp> it's cortex-m0 and nicely documented, with radio and all
2014-04-16T10:06:07 < hesperaux_> oh
2014-04-16T10:06:11 < hesperaux_> that sounds nice
2014-04-16T10:06:20 < hesperaux_> thought you meant the nordic MCU
2014-04-16T10:06:26 < zyp> yes, it's nordic
2014-04-16T10:06:35 < hesperaux_> i didn't know they had an arm-based one
2014-04-16T10:06:42 < zyp> it's fairly new
2014-04-16T10:06:45 < hesperaux_> nice
2014-04-16T10:07:33 < hesperaux_> after trying MiWi (microchip 2.4GHz zigbee protocol thing), I wanted to kill myself
2014-04-16T10:07:44 < hesperaux_> then i got an NRF24L01+, and it wasn't too bad. i actually got it working
2014-04-16T10:08:37 < hesperaux_> well i've g2g
2014-04-16T10:08:44 < hesperaux_> zyp, thank you immensely for your help
2014-04-16T10:08:50 < zyp> no problem
2014-04-16T10:09:14 < hesperaux_> i'll be around later xD
2014-04-16T10:09:25 < hesperaux_> see ya guys :D
2014-04-16T10:09:39 < dongs> what was his problem
2014-04-16T10:09:41 < dongs> tl;dr version
2014-04-16T10:09:44 < dongs> someting stupd?
2014-04-16T10:10:28 < zyp> not sure, bunch of small stuff
2014-04-16T10:12:10 < PaulFertser> Has anyone here used any bluetooth stack on an stm32?
2014-04-16T10:12:14 < hesperaux_> dongs, lol - the problem was i was a derpface and 1) didn't call my init function for spi, only its dma init and 2) didn't use the right dma channel for the periph
2014-04-16T10:12:20 < hesperaux_> now i'm really going ;)
2014-04-16T10:12:53 < dongs> o rite
2014-04-16T10:12:56 < dongs> k bai
2014-04-16T10:13:02 < dongs> typical PIC user mistakes
2014-04-16T10:14:31 < dongs> zyp
2014-04-16T10:14:35 < dongs> PS3BM20-225GBOOT-U
2014-04-16T10:14:37 < dongs> this was the sample
2014-04-16T10:14:40 < dongs> whats the difference?
2014-04-16T10:15:09 < zyp> it lacks the positioning pegs (and the p&p cap)
2014-04-16T10:15:23 -!- Activate_for_moa [~mirggi@host-50-157-66-217.spbmts.ru] has joined ##stm32
2014-04-16T10:15:48 < zyp> http://www.amtek-co.com.tw/upload/products/product_file/2-17-PS3BM-M21-1.pdf <- according to this the first O means without cap and the second means without peg
2014-04-16T10:15:55 < zyp> and the T means tube
2014-04-16T10:19:05 < dongs> which is the peg difference
2014-04-16T10:19:16 -!- hesperaux_ [~hesperaux@c-67-162-71-222.hsd1.il.comcast.net] has quit [Ping timeout: 240 seconds]
2014-04-16T10:19:30 < dongs> ooo
2014-04-16T10:19:30 < dongs> i see
2014-04-16T10:19:32 < dongs> 0 -> P?
2014-04-16T10:19:39 < zyp> yes
2014-04-16T10:33:56 -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##stm32
2014-04-16T10:34:06 < dongs> looks like some ferry sunk near best korea
2014-04-16T10:34:10 < dongs> with like 400 highschool students on it
2014-04-16T10:34:14 < dongs> awesome field trip
2014-04-16T10:58:35 < RaYmAn> w 49
2014-04-16T10:58:50 < RaYmAn> +/ :(
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2014-04-16T11:54:20 < timemob> wtf fucking feenode forcing sasl auth
2014-04-16T11:54:45 < timemob> zyp, the fucking connector jews raised the price to 23twd_ea
2014-04-16T11:55:03 < timemob> cuz old quote was existing stock this shit they would need to make
2014-04-16T11:55:26 < timemob> such fail better find some other less retarded source
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2014-04-16T12:02:19 < timemob> this flight is full of fat faggots damn
2014-04-16T12:02:30 < timemob> guy next to me taking up 1.5 seats
2014-04-16T12:04:00 < timemob> I fucking hate America
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2014-04-16T12:10:14 < superbia> japs are known for being/having smaller than the rest of the world
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2014-04-16T12:15:32 < timemob> finally moving
2014-04-16T12:15:33 < timemob> bye
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2014-04-16T12:24:17 < Laurenceb_> i blame the jew
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2014-04-16T12:32:19 < Laurenceb_> http://www.st.com/web/en/seminar/Ultra_low_power_Microcontroller_workshop?sp_rid=NjkwODIyOTEwOTgS1&sp_mid=8656827
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2014-04-16T13:13:38 < jpa-> hmm, lazy man's profiler: script openocd to halt; resume repeatedly, grep the PC addresses, sort and uniq -c
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2014-04-16T13:15:50 < PaulFertser> jpa-: do you know openocd has intergrated profiling features, you can generate gprof-compatible file with it.
2014-04-16T13:17:13 < Steffanx> is there anything openocd does not have?
2014-04-16T13:18:25 < PaulFertser> E.g. it lacks bsdl parser.
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2014-04-16T13:23:24 < jpa-> PaulFertser: no, i don't
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2014-04-16T13:26:02 < PaulFertser> jpa-: I think gprof would be more useful for the purpose, please try it and report if find any issues.
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2014-04-16T13:26:47 < jpa-> PaulFertser: do you mean the "profile <secs> <file>" command?
2014-04-16T13:28:45 < jpa-> yeah, the "profile" command seems to work with gprof just fine; thanks for the tip
2014-04-16T13:28:53 < jpa-> too bad that it is still pretty slow at sampling the pc
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2014-04-16T13:31:32 < PaulFertser> jpa-: yep, this one. I'm not sure if it can work faster, probably you can try faster adapter_khz?
2014-04-16T13:32:46 < jpa-> i don't think stlink supports adapter_khz?
2014-04-16T13:33:05 < jpa-> but i wonder if there is no way to sample PC without halting the processor.. the ITM probably has something
2014-04-16T13:33:39 < jpa-> not critical though, i found what was eating the CPU
2014-04-16T13:33:53 < PaulFertser> stlink doesn't support configurable speed indeed.
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2014-04-16T13:43:36 < karlp> PaulFertser: stlink has variable SWO speed, but not variable SWCLK speed
2014-04-16T13:48:09 < PaulFertser> karlp: yes
2014-04-16T13:54:10 < jpa-> i guess most of the time is spent in usb roundtrips
2014-04-16T13:54:28 < jpa-> like  halt..wait for halt ack  get reg PSR.. wait for get reg PSR  etc.
2014-04-16T13:55:37 < Laurenceb_> yeah ITM is designed for non halted profiling
2014-04-16T13:55:43 < Laurenceb_> along with other stuf...
2014-04-16T13:56:03 < Laurenceb_> http://news.bbcimg.co.uk/media/images/74244000/jpg/_74244073_10207081615_6e747b55de_b-1.jpg
2014-04-16T13:56:06 < Laurenceb_> inb4dongs
2014-04-16T13:56:24 < Steffanx> Whats YRS?
2014-04-16T13:57:06 < Laurenceb_> https://youngrewiredstate.org/‎
2014-04-16T13:57:19 < Steffanx> oh, that... Laurenceb_ you know most of this crap is produced in the UK, dont you?!
2014-04-16T13:57:31 < Laurenceb_> lolz
2014-04-16T13:57:56 < Laurenceb_> arduino is from italy
2014-04-16T13:58:06 < Steffanx> but, rpi/yrs isnt
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2014-04-16T14:06:03 < Laurenceb_> this looks boring
2014-04-16T14:06:04 < Laurenceb_> http://www.st.com/web/en/catalog/mmc/FM76/CL1766/SC1412/SS1812?ecmp=ss1812_link_kits_jan2014
2014-04-16T14:06:14 < Laurenceb_> i was considering going to one of the talks
2014-04-16T14:06:26 < Laurenceb_> but its not worth the train fare
2014-04-16T14:09:40 < Steffanx> Get your boss to pay the trip?
2014-04-16T14:09:48 < Laurenceb_> hah
2014-04-16T14:09:51 < Laurenceb_> good plan
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2014-04-16T14:31:10 < __rob> hi, was hoping someone can give me some advice. I am setting up DMA for my USART Tx/Rx, but I am a bit confused with the Rx side of things
2014-04-16T14:31:44 < __rob> as I don't know how many characters will be arriving, I would like it configured so that it interrupts when it hits either a '\r' or something or the buffer is full
2014-04-16T14:32:04 < __rob> I'm googling about, but it would be nice to know if this is even possible
2014-04-16T14:35:44 < jpa-> no, not really; you will need an interrupt per each character and at that point you don't need DMA anyway
2014-04-16T14:36:09 < jpa-> you could also schedule a big DMA transfer and then abort it after some time has passed, but that rarely makes sense
2014-04-16T14:37:18 < __rob> ok, the last solution seems to beat the point of using the dma
2014-04-16T14:37:56 < __rob> there are certain messages on the uart that provide a forthcoming byte count
2014-04-16T14:38:26 < __rob> so for these, I could use the dma to read xx and I would have to temporarily disable the rx inturrupt
2014-04-16T14:38:29 < __rob> while the dma is running ?
2014-04-16T14:38:52 < jpa-> yes
2014-04-16T14:39:29 < jpa-> but calculate whether there is really any benefit for using DMA.. for example if it just saves 1% CPU time, not worth it
2014-04-16T14:40:12 < __rob> i guess it will be pretty minimal, the baud is only 115200
2014-04-16T14:40:35 < __rob> cpu is clocked at 48 mhz
2014-04-16T14:41:14 < jpa-> yeah, if it just sticks the bytes into buffers, the interrupt load is pretty small
2014-04-16T14:46:43 < __rob> TI forums seem to agree with you .. not worth it for rx
2014-04-16T14:46:48 < __rob> thanks
2014-04-16T14:52:55 < __rob> one other question about hardware flow control. I don't see anyway to assert RTS myself, so I assume this is asserted by the uart peripheral based on whether RDR has been read and RXNE bit is clear or not ?
2014-04-16T14:53:15 < jpa-> yes, it should say so in the reference manual
2014-04-16T14:58:20 < __rob> ok, indeed it does
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2014-04-16T15:43:59 < timemob> shitattle
2014-04-16T15:49:44 < Steffanx> Still in yankeeland...
2014-04-16T15:49:53 < timemob> sadly
2014-04-16T15:50:15 < timemob> and on the way to faggot central
2014-04-16T15:50:29 < Laurenceb_> 4cahn convention?
2014-04-16T15:50:31 < timemob> (San Francisco)
2014-04-16T15:50:39 < Laurenceb_> *chan
2014-04-16T15:52:52 < timemob> I don't go to those
2014-04-16T15:57:49 < Steffanx> You're not supposed to meet your trollbuddies in real life Laurenceb_ ...
2014-04-16T15:58:18 < timemob> right
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2014-04-16T18:02:12 < Thorn> looks like I need an ultrasonic pcb cleaner
2014-04-16T18:04:04 < gxti> that would be nice. my current cleaning procedure ends up with boards that are worse than before i started.
2014-04-16T18:05:25 < Thorn> one of my boards goes apeshit when I rotate an encoder
2014-04-16T18:06:12 < Thorn> isoprppanol doesn't help
2014-04-16T18:06:17 < Thorn> are china cleaners from aliexpress etc. good enough?
2014-04-16T18:08:39 < SlaveToTheSauce> try acetone, it does a better job on some flux residue than alcohol i find
2014-04-16T18:08:56 < gxti> bad for plastics though yeah?
2014-04-16T18:09:18 < SlaveToTheSauce> some plastics, hopefully none sitting on a pcb
2014-04-16T18:11:01 < jpa-> Thorn: how did you determine that it was a problem about cleaning?
2014-04-16T18:11:46 < Laurenceb_> limonene
2014-04-16T18:11:56 < Thorn> cleaning changes the symptoms and has helped before on another board
2014-04-16T18:12:27 < Thorn> but on this one it seems to redistribute the flux evenly or something lol
2014-04-16T18:13:24 < jpa-> sounds like a badly designed circuit if it is so sensitive to stray conductance
2014-04-16T18:13:43 < jpa-> do you have like 10 megaohm pull-ups or no debouncing at all?
2014-04-16T18:13:54 < jpa-> (well, with sensible encoders no debouncing necessary)
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2014-04-16T18:15:39 < Thorn> 10K pullups
2014-04-16T18:16:18 < jpa-> i fail to see how any small amount of flux residue could affect it; if you have solder bridges then there is a bigger problem than just cleaning
2014-04-16T18:16:34 < jpa-> have you scoped the signals?
2014-04-16T18:17:22 < SlaveToTheSauce> could be a dry joint or cracked trace which makes intermittent contact when you flex it or something
2014-04-16T18:17:59 < jpa-> true, cleaning can change the behaviour of bad solder joints
2014-04-16T18:18:09 < Laurenceb_> it could be residue in the encoder
2014-04-16T18:19:01 < Thorn> I don't have it with me atm but I remember seeing some very low resistances between signals on the other board before cleaning it
2014-04-16T18:20:21 < Thorn> I tend to think it's actaully under the microcontroller because unrelated things seem to go crazy  (leds turning on/off, usb disconnects, total disaster)
2014-04-16T18:20:36 < Thorn> when the encoder is rotated
2014-04-16T18:20:43 < Thorn> it also seems humidity dependent
2014-04-16T18:20:58 < Thorn> sometimes it's not present at all
2014-04-16T18:23:58 < jpa-> so your solderjob is bad; cleaning may remove it for a moment, but it will not fix it
2014-04-16T18:24:33 < Thorn> that is possible
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2014-04-16T18:27:58 < Thorn> if there is excess resistance on the mcu pins then relatively low resistance between them due to flux residue can affect the signals, right?
2014-04-16T18:29:02 < jpa-> more likely that when you clean the board the bad connections temporarily make contact
2014-04-16T18:30:32 < Thorn> the bad behavior always stops when you stop turning the encoder
2014-04-16T18:31:29 < SlaveToTheSauce> are you sure it isnt a stupid design mistake like vcc shorting to ground through the encoder?
2014-04-16T18:32:06 < Thorn> 3 identical encoder circuits, only 1 causes this stuff
2014-04-16T18:32:33 < Thorn> also I'm looking at the schematics atm, nothing like that
2014-04-16T18:32:35 < SlaveToTheSauce> okay i would double check that there isnt a bridge across the pullups or something
2014-04-16T18:33:10 < Thorn> that's possible too
2014-04-16T18:33:19 < jpa-> can you post the schematics?
2014-04-16T18:34:25 < Thorn> just the encoder part?
2014-04-16T18:34:34 < jpa-> and how it connects to mcu
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2014-04-16T18:39:48 < Thorn> http://pasteboard.co/2aUgeQOC.png
2014-04-16T18:40:06 < Thorn> all the signals connect directly to mcu pins (and nothing else)
2014-04-16T18:41:24 < jpa-> pretty trivial.. probably some soldering problem then
2014-04-16T18:46:21 < Thorn> I'm going to try and find it when I have a chance
2014-04-16T18:46:27 < Thorn> thanks for the help
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2014-04-16T21:20:45 < bighead123> Hi folks, Just yet bought 20of STM32F103V8T6 ICs and STM32F4-Discovery board.
2014-04-16T21:21:42 < bighead123> and, How I can program microcontrollers flash from SWD 6 pin connector of that board?
2014-04-16T21:22:42 < SlaveToTheSauce> pull the two adjacent jumpers off the disco board, those tie SWIO and SWCLK to the f4
2014-04-16T21:22:56 < SlaveToTheSauce> then you just need to run those two lines and ground from the header to the target mcu
2014-04-16T21:23:04 < SlaveToTheSauce> and ideally RST also
2014-04-16T21:24:10 < SlaveToTheSauce> the more or less ideal solution is to just make an identical header on your application board
2014-04-16T21:24:21 < bighead123> SlaveToTheSauce: Thank you for response :) , can you give me a link to any connection diagram or tutorial or led blink example? would be great
2014-04-16T21:24:46 < SlaveToTheSauce> well if you look at the f4disco's documentation it has the former
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2014-04-16T21:26:50 < SlaveToTheSauce> i'd say start by ignoring the f1 and setting up the toolchain and flashing utility to get a basic blinking thing running on the f4. example in the topic
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2014-04-16T21:27:36 < PaulFertser> Or use examples from libopencm3-examples.
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2014-04-16T21:30:44 < bighead123> SlaveToTheSauce: I made LED blink  already
2014-04-16T21:31:20 < bighead123> SlaveToTheSauce: and mp3 playback example too with USB flash drive
2014-04-16T21:32:03 < SlaveToTheSauce> ah ok, so you're at the point of designing the board for the f1 to sit on?
2014-04-16T21:32:13 < bighead123> SlaveToTheSauce: I just have trouble how to get program in to other F1 MCUs, I want to build own media player
2014-04-16T21:33:40 < bighead123> SlaveToTheSauce: I rewrote LCD driver for S6D0164 and it works fine with Atmel SAM3N-EK, now I want to make the same LCD work with F1
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2014-04-16T21:35:06 < bighead123> SlaveToTheSauce: heh, I've reviewed Discovery schematics many times but it's too hard for me to understand there what is what
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2014-04-16T21:36:13 < SlaveToTheSauce> well just look at the swd header's pinout
2014-04-16T21:36:20 < SlaveToTheSauce> and match it to the f1's pins
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2014-04-16T21:38:53 < synic> bighead123: 1) Target VCC, 2) SWCLK, 3) GND, 4) SWDIO, 5) NRST (reset), 6) SWO
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2014-04-16T21:43:43 < bighead123> synic: :) Explained fine. Just one more question, once here R2 is not fitted, so pin1 seems to be a GND too?
2014-04-16T21:44:24 < bighead123> synic: or I understood something wrongly from schematics, i.e. what pin 1 does in this connector?
2014-04-16T21:45:51 < synic> it detects the target VCC
2014-04-16T21:46:54 < bighead123> synic: how? seems like it's connected with nothing on board?
2014-04-16T21:47:39 < gxti> discovery boards don't use it
2014-04-16T21:47:48 < gxti> on YOUR board you need to connect it to VDD
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2014-04-16T21:50:37 < bighead123> and solder 100 ohm resistor in place of R2, right?
2014-04-16T21:50:51 < synic> what?
2014-04-16T21:50:57 < gxti> you don't need to modify the discovery board.
2014-04-16T21:51:34 < synic> on the nucleo, if you break off the st-link, pin 1 is basically connected to nothing
2014-04-16T21:51:45 < synic> target voltage cannot be detected, but it still works just fine
2014-04-16T21:52:15 < bighead123> ok, so I'll just ignore this pin, fine. :)
2014-04-16T21:52:21 < synic> (I guess what I'm saying is don't worry about it)
2014-04-16T21:52:23 < synic> yeah
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2014-04-16T21:57:10 < bighead123> Why here are so many VDDs and VSSs? VDD_1 VDD_2 ... I need to connect all of them or just any of them?
2014-04-16T21:59:30 < synic> perhaps the different ports have their own power
2014-04-16T21:59:35 < synic> I dunno *shrug*
2014-04-16T22:04:16 < SlaveToTheSauce> i would assume it's just so they don't have to run big thick power lines all over the die to all the io buffers
2014-04-16T22:04:26 < SlaveToTheSauce> connect and decouple all of them.
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2014-04-16T22:15:52 < englishman> and don't forget VBAT
2014-04-16T22:32:13 < bighead123> Do I need to connect BOOT0 to somewhere? or just leave it unconnected?
2014-04-16T22:34:11 < synic> depends on if you want to use the bootloader :)
2014-04-16T22:34:31 < synic> pull it low if you don't
2014-04-16T22:37:14 < bighead123> synic: If I will leave it just unconnected, just led blink and SWD programming will work anyway?
2014-04-16T22:37:58 < synic> probably
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2014-04-16T22:55:26 < bighead123> I'm going to sleep. Thank you guys, I will report success tomorrow :)
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2014-04-17T09:43:22 < ds2> wheeeeeeeeeeeeeeeeeeeeeeeee PWM audio works
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2014-04-17T09:52:00 < emeb_mac> ds2: what's the base frequency of your PWM?
2014-04-17T09:54:39 < ds2> emeb_mac: 2560nS
2014-04-17T09:54:50 < ds2> 1/2560e-9
2014-04-17T09:54:55 < ds2> around 300KHz
2014-04-17T09:55:00 < emeb_mac> not bad
2014-04-17T09:55:08 < emeb_mac> resolution?
2014-04-17T09:55:28 < emeb_mac> 10ns -> 8 bit?
2014-04-17T09:55:41 < ds2> code is 8 bit
2014-04-17T09:55:46 < ds2> supposely the hw can do better
2014-04-17T09:56:00 < ds2> this is the EHRPWM (Enhanced High Rez PWM)
2014-04-17T09:56:27 < ds2> still get some kind of whine but the audio is intelligible
2014-04-17T09:56:30 < emeb_mac> ah - on a TI part
2014-04-17T09:56:35 < ds2> yes
2014-04-17T09:56:45 < ds2> cutting my teeth on Linux first :D
2014-04-17T09:57:40 < emeb_mac> how fast do you update the PWM value?
2014-04-17T09:58:21 < ds2> every 125uS
2014-04-17T09:58:25 < ds2> 8K sample rate
2014-04-17T09:59:39 < emeb_mac> that might be the source of the whine
2014-04-17T09:59:53 < emeb_mac> aliasing ~4kHz
2014-04-17T10:00:16 < emeb_mac> depends on what kind of reconstruction filter you have.
2014-04-17T10:00:22 < ds2> are you saying I need a 4KHz LPF at the spkr?
2014-04-17T10:00:47 < ds2> reconstruction filter? I need one? thought spkrs can't run at 300KHz so it does it by itself
2014-04-17T10:00:56 < emeb_mac> if the sample rate is 8kHz then you need to roll off before 4kHz or you'll get aliases
2014-04-17T10:01:16 < emeb_mac> it's not the 300k rate that matters here
2014-04-17T10:02:02 < ds2> not sure I am understanding this in the context of playback
2014-04-17T10:02:32 < emeb_mac> if you update the PWM value @ 8kHz, that's equiv to updating a DAC @ 8kHz
2014-04-17T10:02:43 < emeb_mac> the conversion method doesn't matter
2014-04-17T10:03:04 < emeb_mac> so you end up with alias no matter what the method
2014-04-17T10:03:54 < emeb_mac> if your source material has content @ 4kHz - x then there will be aliases @ 4kHz + x, which is audible.
2014-04-17T10:04:22 < emeb_mac> so you need a reconstruction filter to cut off everything > 4kHz
2014-04-17T10:04:35 < ds2> I see... so my updates at 8KHz is creating a spectrum where +/-4KHz is repeated indefinitely?
2014-04-17T10:04:43 < emeb_mac> exactly
2014-04-17T10:05:00 < ds2> oh wow.. never thought of nyquist working this way
2014-04-17T10:05:48 < ds2> I should toss a cap across the speaker then, should give me  1 pole LPF
2014-04-17T10:06:17 < emeb_mac> 1 pole will help, but not a whole lot
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2014-04-17T10:06:55 < emeb_mac> well, time to hit the hay.
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2014-04-17T10:07:06 < ds2> heh.. it is only midnight
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2014-04-17T10:09:32 < jpa-> ds2: you could oversample your data and update the pwm at e.g. 44kHz
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2014-04-17T13:49:42 < bighead123> Hello
2014-04-17T13:50:58 < bighead123> Connected STM32F103V8T6 to STM32F4-Discovery SWD>>
2014-04-17T13:50:58 < bighead123> 1)No Connect 2) SWCLK, 3) GND, 4) SWDIO, 5) NRST, 6) SWO
2014-04-17T13:51:07 < bighead123> But does nothing
2014-04-17T13:51:29 < bighead123> also ALL VSSs VDDs and VBAT connected to 3v GND
2014-04-17T13:51:32 < jpa-> surely it does something
2014-04-17T13:52:07 < bighead123> Getting error: Cannot communicate with device
2014-04-17T13:52:41 < bighead123> however flashing MCU on discovery board itself, works
2014-04-17T13:52:51 < Tectu_> is it some self made PCB?
2014-04-17T13:52:55 < Tectu_> (the target)
2014-04-17T13:53:00 < bighead123> yes
2014-04-17T13:53:18 < bighead123> OMG I found, I've selected here F4 and not F1
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2014-04-17T13:54:05 < jpa-> stupid error message if that is really the issue, it should be able to read mcu id and report error based on that
2014-04-17T13:54:56 < bighead123> still nothing :(
2014-04-17T13:56:26 < bighead123> what else I need to connect?
2014-04-17T13:57:45 < bighead123> except VDDs VSSs VBAT BOOT0(to GND) and those SWCLK SWDIO NRST SWO
2014-04-17T13:57:50 < jpa-> measure NRST level and check that it is high; also measure current consumption of the board (should be about 5mA)
2014-04-17T13:58:26 < jpa-> VDDA also, but i guess that is included in your "VDDs"
2014-04-17T13:58:56 < bighead123> jpa-: VDDA and VSSA are connected also to 3v gnd
2014-04-17T13:59:43 < bighead123> jpa-: All wires are directly connected to STM32F1V8T6 in socket. no board
2014-04-17T14:00:33 < jpa-> do you have decoupling capacitors?
2014-04-17T14:00:43 < jpa-> on power rails, close to chip
2014-04-17T14:00:45 < bighead123> no, none
2014-04-17T14:00:52 < jpa-> consider having some
2014-04-17T14:01:11 < jpa-> difficult to say whether it would work without, but it might not
2014-04-17T14:01:37 < bighead123> maybe I can lower link speed somehow to decrease possible communication errors
2014-04-17T14:01:38 < bighead123> ?
2014-04-17T14:01:40 < jpa-> but check the current consumption, it will tell whether the CPU is running at all; and also NRST, it will tell if the internal reset logic is happy
2014-04-17T14:01:58 < jpa-> nah, if decoupling is a problem it is due to the internal frequency of the CPU
2014-04-17T14:03:13 < bighead123> no, it doesn't seems to be because of capacitors, with capacitors it must cause some hangup for a few seconds, this one does just nothing
2014-04-17T14:03:40 < bighead123> I mean in case if communication is working with errors
2014-04-17T14:03:56 < bighead123> here seems I've not connected something somewhere
2014-04-17T14:05:44 < jpa-> consider situation: capacitors missing, flash read fails, cpu goes into lockup 0-10 milliseconds after power connected because of double-fault, swd is disabled in lockup => debugger cannot get any response
2014-04-17T14:07:01 < jpa-> the important thing is that on STM32, it is the CPU that does the flashing, the SWD is just a way to talk to the CPU.. and getting the CPU into fault conditions can stop the debugger from connecting
2014-04-17T14:07:12 < bighead123> heh, right
2014-04-17T14:07:16 < jpa-> not sure if even connect-under-reset will work if your power supply is crappy
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2014-04-17T14:12:40 < bighead123> jpa-: all connected to Discovery 3V and GND pins
2014-04-17T14:14:09 < jpa-> through impedances :)
2014-04-17T14:14:30 < jpa-> but yeah, it may or may not be due to that - did you do the checks that i suggested?
2014-04-17T14:15:25 < bighead123> jpa-: now soldering broken multimeter to do that things
2014-04-17T14:36:34  * bighead123 went for a dinner
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2014-04-17T14:42:53 < __rob> can anyone tell me, I want an atomic section of code with some data that is used in the interrupt and main, but I wanted to disable only the interrupt that is sharing the resource, not globally
2014-04-17T14:43:51 < __rob> is there any differece betweeen disabling the peripheral interrupt (such as TXIE on the USARTx) vs disabling the IRQ on the nvic
2014-04-17T14:44:59 < jpa-> not AFAIK
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2014-04-17T14:45:27 < __rob> i guess one is disablin the whole interrupt vector, the other specific interrupts that all use that same vector..
2014-04-17T14:45:38 < __rob> but I've only got a single interrupt enabled for that IRQ
2014-04-17T14:46:28 < __rob> also, will this take effect instantly, as in there is no chance of other instructions being executed after it is disabled (cortex m0)
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2014-04-17T14:47:33 < __rob> actually, it must do or that wouldn't make any sense..
2014-04-17T14:47:43 < jpa-> __rob: you need to execute a memory barrier to make sure it has gone to the register
2014-04-17T14:48:03 < jpa-> setting basepri in PSR is the more common way, but that will disable more than just the one interrupt
2014-04-17T14:53:09 < __rob> right, i'm trying to get my head around why I would need it in this case
2014-04-17T14:53:45 < __rob> the way I see it, the only situation that would cause a problem is the interrupt firing late, after it has been disabled
2014-04-17T14:54:23 < __rob> but, if the instruction to disable is still in the pipeline, then if there is an interrupt pending, it should fire straight away anyway?
2014-04-17T14:55:12 < __rob> before any of my 'protected' code is executed
2014-04-17T14:55:20 < __rob> which is not a problem
2014-04-17T14:58:02 < __rob> I guess the only time it would be an issue is if the int occurred, between disabling, and the operation completing, with other 'protected' code starting to get exectued
2014-04-17T14:58:05 < __rob> not even sure if that is possible
2014-04-17T14:58:52 < __rob> so do be safe, I just want a dmb ?
2014-04-17T14:59:02 < __rob> or dsb
2014-04-17T14:59:20 < __rob> after my NVIC disable
2014-04-17T15:01:30 < __rob> dsb seems to be more 'complete'
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2014-04-17T17:36:55 < Fleck> http://www.ebay.com/itm/NEW-ARM-Cortex-M3-STM32F103C8T6-STM32-Minimum-System-Development-Board-/331175289866?pt=LH_DefaultDomain_0&hash=item4d1b95e40a << what do I need to programm this board?
2014-04-17T17:38:55 < Laurenceb_> http://www.nottinghampost.com/images/localworld/ugc-images/276368/Article/images/20949787/6007287-large.jpg
2014-04-17T17:38:57 < Laurenceb_> lolz
2014-04-17T17:44:51 < synic> Fleck: why not just get a discovery board
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2014-04-17T17:45:50 < Fleck> synic: why not? I have one, and that was not the q. though!
2014-04-17T17:46:26 < synic> Fleck: I know, but it looks like that one doesn't have a programmer, so you'll need a separate device
2014-04-17T17:46:34 < synic> if you have a discovery board, that'll work
2014-04-17T17:46:58 < Fleck> yep, thats the q. - what device do I need?
2014-04-17T17:47:15 < synic> I'm saying you can use the discovery board to program the board you linked
2014-04-17T17:47:28 < Fleck> ohh
2014-04-17T17:47:55 < Fleck> any tutorial on howto?
2014-04-17T17:48:20 < Fleck> I have F4 discovery
2014-04-17T17:48:59 < Steffanx> synic hows the bmp?
2014-04-17T17:49:06 < synic> still broken :(
2014-04-17T17:49:19 < synic> Fleck: I think it says how in the user guide
2014-04-17T17:50:56 < Fleck> UM1467 User Manual?
2014-04-17T17:50:57 < synic> Steffanx: I emailed the creator, but I haven't heard anything.  Wonder if I bricked it
2014-04-17T17:51:07 < Steffanx> Maybe a far fetch, but tried another pc?
2014-04-17T17:51:33 < Steffanx> the creator was around here for a while. And there are a few who know quite a lot about the bmp as well
2014-04-17T17:51:39 < synic> I actually have.  My one machine is running Ubuntu 14.04, so I tried a Ubuntu 13.10 machine just to see if that was it
2014-04-17T17:52:07 < synic> Fleck: one second
2014-04-17T17:52:37 < synic> Fleck: http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00039084.pdf  ... page 15
2014-04-17T17:53:04 < synic> Steffanx: who's the creator?
2014-04-17T17:53:11 < Fleck> ahh, cool, thx synic
2014-04-17T17:53:21 < synic> gxti ?
2014-04-17T17:53:39 < Steffanx> gm[something], but i havent seen him for a while here.
2014-04-17T17:53:44 < synic> ah
2014-04-17T18:01:10 < Steffanx> there is probably someone here with a bmp-mini, maybe zyp ?
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2014-04-17T18:09:37 < synic> I think I must've killed it or something
2014-04-17T18:09:52 < synic> it seems flashing the firmware should be simple, and if it's not, something is broken
2014-04-17T18:11:12 < Steffanx> could be, maybe some update broke the mini? Don't know how often they check it. but i would guess they do check it.
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2014-04-17T18:14:40 < synic> maybe I'll just post a bug report, perhaps he doesn't like that I emailed
2014-04-17T18:16:22 < Steffanx> try the github issues..?
2014-04-17T18:16:27 < Steffanx> not sure how often that isr ead though.
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2014-04-17T18:27:14 < synic> https://github.com/gsmcmullin/blackmagic/issues/43
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2014-04-17T19:34:47 < gxti> i don't think anybody is really using anything *but* the mini
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2014-04-17T19:36:58 < zyp> I have one of the original ones
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2014-04-17T19:37:48 < gxti> anyway i have 3 minis (electrically anyway, i redid the layout) and one custom one
2014-04-17T19:38:01 < gxti> haven't updated the firmware in a few weeks but definitely no bricks
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2014-04-17T19:43:06 < PaulFertser> synic: why don't you use the usual dfu-util to try flashing the binary?
2014-04-17T19:44:10 < PaulFertser> synic: if you can still run the bootloader (which you apparently can) you should be able to flash a working version on it without additional tricks. But I've never used that python updater.
2014-04-17T19:45:25 < gxti> i always use the bootloader, it typically flakes out once then works
2014-04-17T19:45:28 < PaulFertser> synic: nothing in dmesg would mean that even the usb pullup is not activated but since you can communicate with the bootloader it can't be an electrical failure.
2014-04-17T19:47:02 < synic> PaulFertser: dfu_util ?  I'll take a look
2014-04-17T19:47:48 < PaulFertser> synic: yes, dfu-util.
2014-04-17T19:48:23 < synic> ok, I'll give it a try here in a bit and report
2014-04-17T19:52:49 < PaulFertser> synic: dfu-util -s 0x08002000:leave -D blackmagic.bin
2014-04-17T19:56:08 < gxti> did you try using a .bin built by somebody else? (like a released version, if that is published)
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2014-04-17T20:00:40 < Steffanx> i gave him some gxti. One that works on mine.
2014-04-17T20:00:48 < Steffanx> (original bmp, not the mini )
2014-04-17T20:01:00 < gxti> the software is the same
2014-04-17T20:01:12 < Steffanx> yes, totally.
2014-04-17T20:01:17 < gxti> it detects which hardware it is from pin straps
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2014-04-17T20:26:59 < Fleck> what's bmp-mini?
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2014-04-17T20:34:58 < Steffanx> http://transition-robotics.com/products/black-magic-probe-mini that Fleck
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2014-04-17T20:53:16 < Fleck> ohh
2014-04-17T20:53:18 < Fleck> I see
2014-04-17T20:53:35 < Fleck> yeah, not a fun to brick 75$ :/
2014-04-17T20:55:10 < PaulFertser> Fleck: it's impossible to brick, come on, it's stm32, you can always reflash it.
2014-04-17T20:55:43 < PaulFertser> Via UART bootloader or with external SWD programmer etc.
2014-04-17T21:00:07 < Fleck> ok then, synic will revive his mini! :D
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2014-04-17T21:08:12 < Fleck> heh, I should be able to conver my board to bmp-mini :D
2014-04-17T21:09:15 < Steffanx> probably, yes.
2014-04-17T21:10:41 < HD_Mouse> hey guys, i'm trying to redirect stdout on a stm32f215g microcontroller, and i'm getting a bunch of linker errors
2014-04-17T21:10:49 < HD_Mouse> /usr/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/thumb2/libc.a(lib_a-readr.o): In function `_read_r':
2014-04-17T21:10:49 < HD_Mouse> readr.c:(.text+0x16): undefined reference to `_read'
2014-04-17T21:10:53 < HD_Mouse> for example
2014-04-17T21:11:26 < HD_Mouse> i confirmed that the symbols are defined in a static library that i'm linking in during the step, but for some reason libc still isn't 'seeing' it, any idea why?
2014-04-17T21:14:59 < HD_Mouse> here is the command i use for linking: arm-none-eabi-gcc    -mthumb -mcpu=cortex-m3  -g -gdwarf-2 -T/home/huangkev/leela/lib/scripts/stm32_flash.ld -Xlinker --gc-sections -Wl,-Map=uart.map -lm -lc -o uart.elf CMakeFiles/uart.elf.dir/src/main.c.o CMakeFiles/uart.elf.dir/src/gpio_config.c.o CMakeFiles/uart.elf.dir/src/uart_debug_config.c.o  -o ../../bin/uart.elf  ../lib/misc/libmisc.a ../lib/cm3/libleela_cm3.a ../lib/std/libleela_st
2014-04-17T21:15:57 < Lux> any ideas how I can make the dac on the stm32f4 output 0V ? somehow mine has an offset of 50mV when set to zero
2014-04-17T21:17:20 < gxti> if it's one with an output buffer you can try turning the buffer off, but then your drive strength is very poor
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2014-04-17T21:18:37 < synic> PaulFertser: ok, dfu-util successfully flashed, but no luck
2014-04-17T21:19:04 < Lux> gxti: thanks, I'll try that
2014-04-17T21:19:21 < Lux> it's driving an opamp anyway
2014-04-17T21:23:56 < Lux> now it's much better, like <10mV
2014-04-17T21:24:05 < gxti> yay
2014-04-17T21:25:22 < HD_Mouse> any ideas?
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2014-04-17T21:46:13 < Steffanx> PaulFertser, you know much about the code of the bmp?
2014-04-17T21:53:28 < Steffanx> Anyway you said: "nothing in dmesg would mean that even the usb pullup is not activated but since you can communicate with the bootloader it can't be an electrical failure"
2014-04-17T21:54:11 < Steffanx> Skimming through the code.. maybe it is a vbus detection failure? The CDC code seems to do vbus detection, where the DFU code does not seem to do it.
2014-04-17T21:54:31 < Steffanx> When vbus is not detected it won't pull up the usb line. but maybe i missed something.
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2014-04-17T22:13:41 < PaulFertser> Steffanx: no, not much. Your theory should be tested indeed.
2014-04-17T22:13:43 < PaulFertser> synic: ^^^
2014-04-17T22:15:38 < Steffanx> not sure if my theory is right, dont know much about the bmp code
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2014-04-17T23:16:26 < synic> any of you have an older .bin file?
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--- Day changed Fri Apr 18 2014
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2014-04-18T00:12:30 < qyx_> nice, 6250 poly1305 hashes per second on L1 discovery
2014-04-18T00:17:43 < Fleck> synic: success, flashed stm32F103 using F4-Discovery board! :D
2014-04-18T00:22:15 < qyx_> and 10000 chacha20 hashes per second
2014-04-18T00:24:08 < GargantuaSauce> getting into altcoin mining?
2014-04-18T00:26:07 < qyx_> and 2094 sha256 hashes per second
2014-04-18T00:26:24 < qyx_> no, just curiousness
2014-04-18T00:26:29 < qyx_> or whatever
2014-04-18T00:26:32 < qyx_> curiosity
2014-04-18T00:27:20 < qyx_> investigating some possibilities for sensor network message auth
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2014-04-18T02:27:18 < dongs> sup
2014-04-18T02:27:22 < dongs> im back from frozen wasteland
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2014-04-18T02:29:58 < upgrdman> anyone have a sub$100 decade r or c box you're happy with? yes i know, the tolerances at that price range wont be great.
2014-04-18T02:36:09 < dongs> upgrdman: here u go https://www.kickstarter.com/projects/raptorbird/programmable-capacitor
2014-04-18T02:37:29 < upgrdman> lol
2014-04-18T02:37:50 < dongs> dat 0.1pF
2014-04-18T02:42:35 < arko> huh
2014-04-18T02:42:57 < arko> 0.1pF? is this guy serious?
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2014-04-18T02:52:04 < gxti> still the most practical kickstarter i've seen all week
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2014-04-18T03:06:33 < dongs> actually delivered too
2014-04-18T03:07:06 < dongs> new google camera app is complete shit
2014-04-18T03:08:30 < upgrdman> this seems interesting. not bad for the price.   http://atlanta-robotics.com/Decade_Resistance_PCB.php
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2014-04-18T04:01:20 < karlp> oops, lto makes my code bigger again, that sucked
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2014-04-18T11:33:53 < vadmeste> Hello everybody. I wonder if it is possible to scale the CPU frequency of a stm32f4. I did find doc about scaling at boot time, what do you think ?
2014-04-18T11:38:46 < PaulFertser> vadmeste: all boards that use an external resonator are switching to it runtime, stm32s run on internal initially.
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2014-04-18T11:46:38 < vadmeste> PaulFertser: so do you mean that it is not possible to configure the internal resonator of a stm32f4 only one time ?
2014-04-18T11:50:03 < Thorn> you can switch clock sources, reconfigure prescalers/plls etc. at any time
2014-04-18T11:52:54 < Thorn> there is a default config which is active on reset
2014-04-18T11:54:06 < PaulFertser> Before switching to any source you need to make sure it's working properly, e.g. pll locked.
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2014-04-18T15:18:13 < Laurenceb_> http://www2.b3ta.com/host/creative/84793/1397734258/westernwall.jpg
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2014-04-18T16:05:51 < Thorn> is this legit http://www.psikick.com/
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2014-04-18T16:12:04 < Steffanx> if it legit they'll soon be part of ST, Analog, SiLabs or one of the other larger corporations Thorn :P
2014-04-18T16:14:05 < Steffanx> i wonder  what their plan is. They don't say much about their SoC except for some basic specs
2014-04-18T16:15:36 < jpa-> they probably believe that they can achieve those specs, but i doubt that they have such chips ready yet
2014-04-18T16:17:50 < Thorn> http://phys.org/news/2014-04-psikick-batteryless-sensors-poised-internet.html#ms
2014-04-18T16:18:07 < Thorn> lol @ "It appears that you are currently using Ad Blocking software. What are the consequences?"
2014-04-18T16:18:09 < Thorn> >consequences
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2014-04-18T16:43:53 < karlp> Thorn: there's also: http://www.suvolta.com/technology and http://www.sure-core.com/ and probably a pile of others trying stuff out
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2014-04-18T20:46:27 < superbia> such bad videos should result a kick of the person who posted them
2014-04-18T20:48:24 < Tectu_> I fully agree.
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2014-04-18T22:13:02 < Tectu_> some people provide a .7z archive from their website. Then you unpack it and find a .zip inside of it.
2014-04-18T22:13:06 < Tectu_> ONLY a .zip
2014-04-18T22:13:54 < Steffanx> Some people provide a shitload of zips with in each of those a part of a rar. D:
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2014-04-18T22:15:56 < gxti> i got a torrent like that once
2014-04-18T22:17:13 < Steffanx> Heh, i didn't want to mention this happens with torrents :P
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2014-04-18T23:12:47 < scrts> what is the most popular chinese electronics forum?
2014-04-18T23:13:08 < Laurenceb> I cracked the code! It turns out hack a day has made a deal with mcdonalds to offer special commemorative arduinos in their happy meals.
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2014-04-18T23:22:10 < Tectu_> Laurenceb
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--- Day changed Sat Apr 19 2014
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2014-04-19T00:13:31 < fbs> Laurencec
2014-04-19T00:23:43 < dongs> suppppppp
2014-04-19T00:24:07 < dongs> 7zip fucking sucks
2014-04-19T00:24:08 < dongs> commie trash
2014-04-19T00:24:16 < dongs> windows  zip folders > *
2014-04-19T00:25:11 < Laurenceb> pinkozip
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2014-04-19T00:29:35 < Thorn> first time I hear about anybody actually using builtin windows zip support
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2014-04-19T00:30:09 < dongs> you mean like all normal people???
2014-04-19T00:32:13 < Thorn> more like people who are too stupid to understand what an archive is (looking at the walkthrough nature of the interface)
2014-04-19T00:32:56 < Thorn> which I guess is good if you have to send them archives
2014-04-19T00:33:41 < dongs> Thorn: um
2014-04-19T00:33:45 < dongs> wat walktrhough
2014-04-19T00:33:49 < dongs> select some files
2014-04-19T00:33:53 < dongs> rightclick->sendto->zip
2014-04-19T00:33:56 < dongs> bingo, zip file made
2014-04-19T00:34:04 < Thorn> I mean when unpacking
2014-04-19T00:34:04 < dongs> right clic zip, extract all, doe
2014-04-19T00:34:05 < dongs> done
2014-04-19T00:34:06 < dongs> yeah
2014-04-19T00:34:09 < dongs> where's the problem?
2014-04-19T00:44:13 < gxti> the part where it strips out some or all of the directory paths, mostly
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2014-04-19T00:54:47 < Steffanx> dongs is back in jappyland?!?!
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2014-04-19T01:03:20 < dongs> ya
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2014-04-19T01:24:46 < HTT-Bird> gxti: so much this
2014-04-19T01:25:03 < HTT-Bird> the Compressed Folders support in Windows is :/ for that reason precisely
2014-04-19T01:25:28 < dongs> ???
2014-04-19T01:25:31 < dongs> wat
2014-04-19T01:25:46 < dongs> so oyu'd rather install some russian spyware that takes over every compressed folder type??? (7zip)
2014-04-19T01:26:20 < dongs> for occasional retard who insists on being hipster and only uses 7zip i ahve 7za.exe for commandline extract
2014-04-19T01:31:12  * Bird|otherbox sends dongs a giant pile of tarballs
2014-04-19T01:31:30 < Bird|otherbox> that's the other thing about Windows Compressed Folders, it's only for .zip
2014-04-19T01:32:09 < Bird|otherbox> not everyone wants to muck with the GnuWin32 tar.exe everytime they run across a random tarball they want to unpack
2014-04-19T01:32:21 < Bird|otherbox> or some other archive format
2014-04-19T01:37:10 < Thorn> if you don't want russia spyware there's always winrar
2014-04-19T01:38:07 < Thorn> (lol)
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2014-04-19T01:52:58 < Steffanx> You guys forgot rule #1: Dongs is always right
2014-04-19T01:53:12 < Steffanx> or was #1 Don't argue with dongs ?
2014-04-19T01:58:44 < dongs> Thorn: who the fuck do you think wrote winrar???
2014-04-19T01:58:47 < dongs> thats also russian spyware
2014-04-19T01:59:07 < Thorn> that was the joke.
2014-04-19T02:00:10 < Thorn> https://www.coursera.org/course/dsp starting again soon
2014-04-19T02:00:19 < dongs> https://www.kickstarter.com/projects/nickjohnson/re-load-pro-a-dc-active-load
2014-04-19T02:00:30 < RaYmAn> at least 7-zip is open source so you have the illusion that someone bothered to check whether it's actually spamware ;P
2014-04-19T02:00:51 < Steffanx> yeah, the nsa worked on 7-zip as well. They are so nice.
2014-04-19T02:02:50 < dongs> https://www.kickstarter.com/projects/shereadstruth/shereadstruth-bible-devotional-app haha
2014-04-19T02:03:47 < dongs> so prooo
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2014-04-19T02:16:41 < Lux> that active load seems pretty neat and the price isn't too bad
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2014-04-19T02:30:33 < englishman> i like winrar shareware
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2014-04-19T13:51:28 < dongs> http://i.imgur.com/qfpzTIH.jpg
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2014-04-19T14:13:13 < Robint91> hi all
2014-04-19T14:13:18 < superbia> why is gnaa.eu down
2014-04-19T14:13:41 < Robint91> -_-
2014-04-19T14:14:05 < superbia> right :I
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--- Day changed Sun Apr 20 2014
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2014-04-20T02:33:40 < Laurenceb> whos the birthday boy
2014-04-20T02:52:52  * Bird|otherbox glares at NXP's USB library (aka a hacked-together LUFA port that keeps wanting to dump crap in a usbram section)
2014-04-20T02:54:04 < dongs> lol
2014-04-20T02:54:07 < dongs> is it at least opensores
2014-04-20T02:55:59 < Bird|otherbox> dongs: I'm actually going 'thank the blinkin' Red God that I do have the source code to this thing'
2014-04-20T02:56:18 < Bird|otherbox> had that been a binary blob doing this to me, I'd have screamed and ran
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2014-04-20T09:08:10 < emeb_mac> absence of chattings
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2014-04-20T09:19:23 < madist> insufficient donging ?
2014-04-20T09:20:15 < dongs> please insert more dongs to continue
2014-04-20T09:20:26 < dongs> ovening new revision of chromebook dixel adapter
2014-04-20T09:20:33 < dongs> i fucking hate that 0.3mm pitch connector
2014-04-20T09:20:34 < dongs> such shit
2014-04-20T09:20:50 < dongs> if I actually start making these I am going to just pay china to make me a cable with ipex on one end and something less insane on anthoer
2014-04-20T09:20:56 < dongs> 0.3mm pitch staggered over 2 ros is ok
2014-04-20T09:21:01 < dongs> but 0.3 on single row = fuck off
2014-04-20T09:21:32 < dongs> jebus such bridges
2014-04-20T09:21:35 < dongs> like half hte pins are bridged
2014-04-20T09:21:36 < dongs> gg
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2014-04-20T09:27:56 < PaulFertser> dongs: is that from your PCBA place or have you applied paste and solder yourself?
2014-04-20T09:28:06 < emeb_mac> 0.3mm? who came up with that?
2014-04-20T09:28:46 < GargantuaSauce> well it's for a tablet after all...
2014-04-20T09:28:48 < GargantuaSauce> gotta go small
2014-04-20T09:35:07 < dongs> PaulFertser: my pcba place is like 2 meters awy from my desk
2014-04-20T09:35:14 < dongs> still no excuses for this .3mm trash
2014-04-20T09:36:03 < talsit> even iphones don't use .3mm
2014-04-20T09:36:11 < talsit> the smallest i'm seeing is .35
2014-04-20T09:36:16 < talsit> or maybe .4
2014-04-20T09:36:43 < dongs> like i said most sane connectors that end up being 0.3mm pitch on cable are staggered dual row
2014-04-20T09:36:48 < dongs> so you only got .6mm on each end
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2014-04-20T10:03:28 < dongs> k time to try it
2014-04-20T10:05:41 < dongs> waht the dick
2014-04-20T10:05:46 < dongs> i wonder if its the panel thats fucked
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2014-04-20T10:24:03 < dongs> huh now itr works
2014-04-20T10:24:03 < dongs> wtf
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2014-04-20T10:33:55 < timemob> http://i.imgur.com/75PEBog.jpg
2014-04-20T10:36:20 < timemob> my 2k Samsung looks fucking pitiful compared to this shit
2014-04-20T10:36:48 < timemob> all this highres goodness
2014-04-20T10:39:24 < Fleck> and "this shit" is?
2014-04-20T10:46:54 < jpa-> the same apple panels that he is always messing with
2014-04-20T10:47:48 < timemob> different this time
2014-04-20T10:48:32 < timemob> Chromebook dixel panel
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2014-04-20T10:48:44 < timemob> 2560x1700 in 12"
2014-04-20T10:49:16 < jpa-> oh
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2014-04-20T12:31:25 < Miek> synic: any luck with your BMP?
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2014-04-20T13:01:04 < Thorn> wtf http://physics.stackexchange.com/a/109160
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2014-04-20T13:34:46 < dongs> What if you stretched a bird's legs so much that they could span the whole power line? Besides looking ridiculous, the bird would now experience tremendous potential difference. But in stretching the bird, you would also make it very thin (which increases resistance) and make it very long (which also increases resistance). So Rbird would also be much larger and the current would still be very small. The bird would probably experience some form of discomfort, but not due
2014-04-20T13:34:53 < dongs> haha
2014-04-20T13:43:34 < Abhishek_> hehe
2014-04-20T13:43:36 < madist> what is the typical voltage drop across the ends of a HV transmission line ?
2014-04-20T13:43:38  * madist wonders
2014-04-20T13:44:12 < dongs> hiv transmission line
2014-04-20T13:45:30 < Abhishek_> :P
2014-04-20T13:47:28 < dongs> https://www.youtube.com/watch?v=lwFVlNytq0Q#t=293 fucking amazing
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2014-04-20T13:47:59 < dongs> well, from https://www.youtube.com/watch?v=lwFVlNytq0Q#t=293 really
2014-04-20T13:48:07 < dongs> err
2014-04-20T13:48:09 < dongs> thts same time stamp
2014-04-20T13:48:10 < dongs> piece of shit
2014-04-20T13:48:15 < dongs> https://www.youtube.com/watch?v=lwFVlNytq0Q#t=315
2014-04-20T13:55:03 < Abhishek_> dongs: how's the chromebook display driven (as in LVDS, DisplayPort, ...)?
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2014-04-20T13:57:16 < dongs> dp
2014-04-20T13:57:24 < dongs> so its just 1:1 connection
2014-04-20T13:57:46 < Abhishek_> like the iPad 3?
2014-04-20T13:58:02 < dongs> Ya
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2014-04-20T17:05:40 < zyp> today's fun: debugging a touchscreen that stops working once it has been plugged into a mac and have to be power cycled to work again even on a windows computer
2014-04-20T17:07:06 < zyp> turns out that once the host enables the remote wakeup capability of it, it stops sending touch events, and OS X does that as part of the default enumeration
2014-04-20T17:07:15 < zyp> and apparently it persists across usb resets
2014-04-20T17:09:57 < zyp> I suspect the developers misinterpret that as a sign of a suspend
2014-04-20T17:10:38 < zyp> clearing the remote wakeup flag solves the problem though
2014-04-20T17:11:12 < zyp> found another fun bug in the process of tracking it down too
2014-04-20T17:11:58 < zyp> when returning string descriptors, the device puts the number of bytes returned in the size-field of the returned descriptor, not the actual descriptor size
2014-04-20T17:12:44 < zyp> OS X always asks for only the first two bytes first, to get the size of the descriptor, before asking for the whole descriptor
2014-04-20T17:13:06 < zyp> so it reads every string as an empty string
2014-04-20T17:14:23 < dongs> sounds liek osx is buggy shit as expected
2014-04-20T17:14:54 < zyp> no, OS X is following the spec
2014-04-20T17:16:08 < zyp> it's the device that's not following the spec
2014-04-20T17:16:19 < zyp> developers probably went «oh, it works on windows, ship it»
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2014-04-20T17:58:10 < Steffanx> lol nice debugging zyp  :D
2014-04-20T18:05:12 < Miek> BMP users: can it power the target? it seems to have the hardware for it but i can't see any option in software?
2014-04-20T18:07:56 < gxti> not really, no
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2014-04-20T20:06:28  * Miek pokes synic
2014-04-20T20:08:57 < synic> Miek: nope
2014-04-20T20:10:15 < Miek> re: the failed flash, i think a bug has crept into the bootloader
2014-04-20T20:11:41 < synic> uh oh
2014-04-20T20:12:15 < Miek> indeed
2014-04-20T20:12:43 < synic> so if I can get an st-link attached via SWD, I can probably fix it?
2014-04-20T20:13:00 < Miek> yep
2014-04-20T20:13:15 < synic> ok
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2014-04-20T21:26:05 < Steffanx> synic did you read what i wrote about the bmp a short while ago?
2014-04-20T21:28:49 < Steffanx> It seems that the dfu-bootloader does not do vbus detection, where the application part does seem to do vbus detection ( but i may be wrong )
2014-04-20T21:29:15 < Steffanx> when vbus detection fails it will not pull up the usb line. Perhaps you can check the vbus pin etc.?
2014-04-20T21:31:05 < Miek> Steffanx: i built a BMP last week and ran into similar problems to synic. i could flash an image to the BMP just fine with some other programmer, but using the bootloader would fail. i found an old commit that worked, so spent the afternoon git-bisecting and found that a libopencm3 update introduced the issue for me
2014-04-20T21:32:19 < Steffanx> Yes, I read that, but it's never wrong to rule out something else :P
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2014-04-20T21:43:11 < gxti> i just built latest git master and loaded it on my mini using stm32_mem.py, no issue
2014-04-20T21:43:48 < Steffanx> i think miek means the error is in the bootloader
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2014-04-20T21:44:06 < Steffanx> i guess you have an old bootloader :)
2014-04-20T21:44:35 < gxti> ah that's true
2014-04-20T21:44:53 < gxti> i haven't bothered changing that since i built the hardware
2014-04-20T21:45:02 < __rob> hello
2014-04-20T21:45:23 < __rob> I'm having a really random problem with my stm32f051, can't figure out what is going on..
2014-04-20T21:45:36 < Steffanx> synic where did you but your bmp-mini?
2014-04-20T21:45:37 < __rob> I've narrowed it down to adding external pullups on portb
2014-04-20T21:45:51 < __rob> i've erased the chip totoally, so all pins starter as input
2014-04-20T21:46:34 < __rob> i've got al 16 pins going out to a breadboard, and adding more then 4 10k's to vcc (3.3v) stoped st utility from working
2014-04-20T21:46:38 < __rob> "cant connect to target"
2014-04-20T21:47:03 < __rob> tried also 35k resistors..
2014-04-20T21:47:21 < __rob> is there something i'm missing or should this just work ?
2014-04-20T21:48:04 < __rob> so I have a resistor going from vcc to teach pin
2014-04-20T21:48:09 < __rob> each*
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2014-04-20T21:50:58 < __rob> whats odd is if I plug in the pullups after teh chip is running, they all read fine
2014-04-20T21:51:01 < __rob> and the code works
2014-04-20T21:52:31 < Miek> Steffanx: tag-connect he said on the gh issue
2014-04-20T21:53:05 < gxti> __rob: is one of the pins boot0
2014-04-20T21:53:34 < gxti> hm, how the hell do i clear code protection so i can actually erase this stupid thing
2014-04-20T21:53:42 < Steffanx> i read that too Miek, but i thought was refering to some 10 pin cable, not the bmp itself. Didn't know tag-connect sold bmp-mini's
2014-04-20T21:53:45 < gxti> 'mon erase_mass' does nothing
2014-04-20T21:54:00 < Miek> Steffanx: yeah, i think they do
2014-04-20T21:55:05 < __rob> gxti, no, boot0 is a standalone pin
2014-04-20T21:55:36 < gxti> __rob: what about NJTRST?
2014-04-20T21:55:36 < Steffanx> ah i see Miek :)
2014-04-20T21:55:50 < Steffanx> They don't call it a black magic probe
2014-04-20T21:56:19 < zyp> Steffanx, url?
2014-04-20T21:56:36 < Miek> ah yes, a black sphere debugger
2014-04-20T21:57:06 < zyp> ah, I see it
2014-04-20T21:57:20 < zyp> that's nice
2014-04-20T21:57:29 < gxti> well i would try out a newer bootloader but some genius decided the bootloader needed to be locked in memory and i'm too lazy to figure out how to unlock it
2014-04-20T21:57:36 < zyp> info about support seems to be a bit dated
2014-04-20T21:58:34 < Steffanx> i wouldnt even know how to reprogram my bmp. Can't really open the schematics
2014-04-20T21:58:36 < __rob> thats also standalone
2014-04-20T21:58:53 < Steffanx> reprogram the bootloader that is
2014-04-20T21:58:58 < zyp> Steffanx, yeah, that's a bit annoying
2014-04-20T21:59:12 < zyp> I think I had emeb export a pdf once
2014-04-20T21:59:35 < gxti> it's thru the uart connector
2014-04-20T21:59:51 < zyp> yes, I believe so
2014-04-20T21:59:55 < emeb> export a pdf?
2014-04-20T22:00:02 < zyp> of the bmp schematic
2014-04-20T22:00:07 < emeb> aha
2014-04-20T22:00:09 < zyp> since there are only geda files in the git
2014-04-20T22:00:25 < Steffanx> what is the uart connector gxti? Never used that either :P
2014-04-20T22:00:48 < gxti> i have no idea, i made my own hardware
2014-04-20T22:00:55 < gxti> might not be populated?
2014-04-20T22:01:05 < Steffanx> bit annoying anyway, as it must be on the 20pin jtag connector
2014-04-20T22:01:31 < emeb> didn't they do something strange like put both the UART and SWD onto the same connector?
2014-04-20T22:01:44 < emeb> shared pins
2014-04-20T22:01:57 < gxti> yes
2014-04-20T22:02:08 < gxti> i had to force it into dfu
2014-04-20T22:02:14 < gxti> but even then i can't erase because of lock bits
2014-04-20T22:02:23 < gxti> and i don't think bmp supports clearing them
2014-04-20T22:02:45 < zyp> you could always do it through raw register writes
2014-04-20T22:03:06 < gxti> erase_mass should really do it for me :[
2014-04-20T22:03:17 < gxti> instead it silently does nothing
2014-04-20T22:03:35 < zyp> I haven't had any problems with mass erase on a non-locked device, fwiw
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2014-04-20T22:04:18 < gxti> and 'load' complains about being unable to erase, so i can only assume that's what it is. for what it's worth SRST is not connected because i didn't bring it out (neither does the official mini)
2014-04-20T22:05:37 < __rob> http://codepad.org/l0Fuf6Pf
2014-04-20T22:05:45 < __rob> this is the pins fro mteh datasheet
2014-04-20T22:06:03 < __rob> all of them look ok to use, and all start as input with no pullup
2014-04-20T22:06:49 < __rob> I've also tried connecting resistors starting at PB0,PB1...PB5 and PB16,PB15 ... PB12
2014-04-20T22:06:58 < emeb> anyone ever done anything with USB OTG / Host mode on the STM32?
2014-04-20T22:07:18 < __rob> on both,. after 5 resistors it stops programming
2014-04-20T22:07:28 < __rob> totally lost as to what could break with something so simple...
2014-04-20T22:10:00 < zyp> emeb, not yet, but I might
2014-04-20T22:10:08 < Steffanx> made/soldered it yourself __rob ?
2014-04-20T22:10:13 < __rob> yea
2014-04-20T22:10:24 < __rob> theres no much going on
2014-04-20T22:10:55 < zyp> emeb, I've not decided yet whether I'll use SDIO or mass storage host for a project
2014-04-20T22:11:42 < gxti> zyp: do you remember where the locking stuff is documented?
2014-04-20T22:11:49 < emeb> zyp: I'm trying out a HID demo on the F407 Discovery
2014-04-20T22:11:54 < emeb> seems to work with a mouse
2014-04-20T22:11:58 < zyp> gxti, flash manual, I believe
2014-04-20T22:12:28 < gxti> yes, so it is. i already saved a copy, not sure why i didn't just look...
2014-04-20T22:12:29 < zyp> it's PMxxxx something, flash programming manual
2014-04-20T22:12:35 < emeb> I'd like to add a USB Audio MIDI class so that I could make a device to host a MIDI controller.
2014-04-20T22:12:46 < zyp> midi != audio
2014-04-20T22:12:58 < emeb> MIDI is a subset of USB Audio class
2014-04-20T22:13:04 < zyp> is it?
2014-04-20T22:13:08 < emeb> yep
2014-04-20T22:13:24 < zyp> that's in name only, at least
2014-04-20T22:13:56 < zyp> I read the spec only, USB MIDI is just a stream of MIDI messages over a plain bulk pipe
2014-04-20T22:14:03 < zyp> no magic
2014-04-20T22:14:08 < emeb> I think so
2014-04-20T22:14:09 < zyp> s/only/once/
2014-04-20T22:16:49 < qyx_> hm
2014-04-20T22:16:51 < zyp> that reminds me of the NXP host controller
2014-04-20T22:16:59 < qyx_> gxti: last time i had the same problem
2014-04-20T22:17:09 < qyx_> but didn't read your whole conversation
2014-04-20T22:17:43 < qyx_> which mcu?
2014-04-20T22:17:53 < zyp> it has an option to tune the SOF rate, so you can synchronize it to say your audio clock, to keep the isochronous pipe in sync
2014-04-20T22:18:57 < emeb> nice
2014-04-20T22:19:24 < emeb> looking thru the example code - so many files. so much cross-referencing. ugh
2014-04-20T22:19:40 < qyx_> but i have used openocd with stlinkv2, the catch was that you cannot specify "erase unlock" in flash write_image command
2014-04-20T22:20:18 < gxti> i should really dig out my bus blaster (ft2232 based) and get that working just so i have some variety
2014-04-20T22:20:27 < gxti> openocd probably sucks a little less since i gave up on it
2014-04-20T22:22:10 < zyp> emeb, I guess host mode is a bit more complex than device mode, since you have to cope with everything devices are allowed to do, especially if you're writing a generic stack that's supposed to be usable for a variety of devices
2014-04-20T22:22:52 < zyp> not to mention supporting multiple devices at once
2014-04-20T22:23:24 < emeb> zyp: no doubt
2014-04-20T22:24:27 < emeb> and of course there's the quality of ST example code...
2014-04-20T22:25:41 < zyp> I'm probably going to write a small core that doesn't deal with devices, and then add multi-device support through an optional hub class driver that has to be attached like other class drivers
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2014-04-20T22:27:11 < zyp> because hub support is not something I need if I only want to read a single usb stick as an alternative to an SD card
2014-04-20T22:28:29 < emeb> yeah - no hubs. just direct connect of device to OTG port
2014-04-20T22:52:23 < emeb> Interesting - the new STM32cubeF4 distribution has Audio class for the Host side.
2014-04-20T22:52:28 < emeb> but no MIDI subclass
2014-04-20T22:54:19 < gxti> now i remember why i gave up on openocd
2014-04-20T22:54:24 < emeb> ?
2014-04-20T22:54:38 < gxti> i have no f'ing clue how to get it to do swd unless i'm using stlink
2014-04-20T22:55:04 < gxti> some kind of arcane and nonsensical scripting i'm sure
2014-04-20T22:55:05 < emeb> haven't tried anything but stlink w/ openocd. that works fine
2014-04-20T22:57:18 < qyx_> stlink yes
2014-04-20T22:57:22 < qyx_> but ft2232 no
2014-04-20T23:04:34 < zyp> «Response Needed! -- Get your reward for backing "OpenVizsla" Open Source USB Protocol Analyzer by bushing.»
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2014-04-20T23:06:01 < bvernoux> zyp: woo at last after 3 years ;)
2014-04-20T23:06:55 < bvernoux> zyp: ready to analyze USB FS ;)
2014-04-20T23:07:21 < bvernoux> as USB HS seems impossible with the openzisla and limited by memory
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2014-04-20T23:07:34 < zyp> «woo»
2014-04-20T23:08:00 < zyp> I've been analyzing a bunch of USB HS today
2014-04-20T23:08:31 < zyp> after all, I've been borrowing a beagle 480 for over two years now
2014-04-20T23:08:52 < zyp> so I kinda stopped caring about the openviszla :p
2014-04-20T23:09:45 < bvernoux> yep
2014-04-20T23:10:18 < bvernoux> also openvizsla will not have any GUI software
2014-04-20T23:10:41 < zyp> unless somebody writes it, of course
2014-04-20T23:10:43 < bvernoux> only wireshark in best cae
2014-04-20T23:11:05 < zyp> yeah, should be fairly easy to feed it into wireshark, since wireshark has usb support already
2014-04-20T23:11:05 < bvernoux> I really doubt someone will write a good GUI for USB analyzer especially not paid for that
2014-04-20T23:11:18 < zyp> but wireshark is pretty horrible for usb
2014-04-20T23:11:29 < bvernoux> yes usb is a bit too complicated for that
2014-04-20T23:12:40 < zyp> on the other hand, the availability of cheap analyzer hardware might inspire somebody to actually write some good software
2014-04-20T23:12:43 < zyp> it can't be that hard
2014-04-20T23:13:58 < bvernoux> but the design of openvizsla is definetly not for something realtime or with lot of data
2014-04-20T23:14:15 < bvernoux> it cannot even store 1s of USB 2.0 HS
2014-04-20T23:14:37 < bvernoux> even with good trigger it seems too limited for lot of stuff
2014-04-20T23:14:44 < zyp> I haven't looked at it
2014-04-20T23:14:57 < bvernoux> it have 32mbit of SDRAM IIRC ;)
2014-04-20T23:16:15 < bvernoux> for HS speed protocol it is a dead end as FTDI HS USB is limited to about 30MBytes/s
2014-04-20T23:16:39 < zyp> I think I got 11 GB in the capture buffer earlier today
2014-04-20T23:17:30 < zyp> HS has a tendency to fill up fast, especially when you have both the analyzer and the DUT on the same bus
2014-04-20T23:17:44 < zyp> because then the analyzer picks up parts of it's own traffic too
2014-04-20T23:17:53 < bvernoux> yes
2014-04-20T23:18:18 < bvernoux> with my Beagle USB5000 V2 even 2GB are filled quickly
2014-04-20T23:18:29 < bvernoux> and it have 2Gbyte memory
2014-04-20T23:18:36 < zyp> I can imagine :)
2014-04-20T23:18:44 < bvernoux> with USB 3.0
2014-04-20T23:19:10 < zyp> oh well, most of the devices I've been working with are FS anyway
2014-04-20T23:19:23 < zyp> even the device I looked at today was a FS device
2014-04-20T23:19:38 < bvernoux> it depends of the project
2014-04-20T23:19:41 < zyp> it was just behind a built in hub, so I had to look at the HS upstream
2014-04-20T23:19:53 < zyp> true
2014-04-20T23:20:22 < bvernoux> but yes FS can be enough for lot of stuff
2014-04-20T23:21:03 < bvernoux> have you see DSLogic HW
2014-04-20T23:21:16 < bvernoux> I have shall receive mine next week
2014-04-20T23:21:20 < bvernoux> it is already sent
2014-04-20T23:21:32 < bvernoux> it is one of the best logic analyzer for the price
2014-04-20T23:25:35 < zyp> not enough channels
2014-04-20T23:26:56 < emeb> DSLogic seems like just another variation on the same FX3 + FPGA system I've seen over and over
2014-04-20T23:28:13 < bvernoux> yes it is
2014-04-20T23:28:36 < emeb> what's the advantage vs sigrok?
2014-04-20T23:28:48 < bvernoux> advantage is the price
2014-04-20T23:28:58 < bvernoux> and the FPGA have lot of kcells
2014-04-20T23:29:24 < bvernoux> and they already use sigrok for the GUI ...
2014-04-20T23:30:06 < bvernoux> it is just like a cheap Saleae Logic
2014-04-20T23:30:20 < bvernoux> but more open as it use open source tools like sigrok
2014-04-20T23:31:01 < emeb> sorry - I understand sigrok is a LA GUI. what's the advantage of DSLogic vs something like OLS? http://dangerousprototypes.com/docs/Open_Bench_Logic_Sniffer
2014-04-20T23:31:09 < emeb> looks like basically the same thing.
2014-04-20T23:31:16 < bvernoux> advantages are huges
2014-04-20T23:31:27 < bvernoux> 256Mbits SDRAM
2014-04-20T23:31:32 < bvernoux> and bigger fpga
2014-04-20T23:31:53 < bvernoux> spartan6 xc6slx9
2014-04-20T23:32:39 < emeb> S6 & SDRAM are good.
2014-04-20T23:32:48 < bvernoux> and also have a good case ;)
2014-04-20T23:33:02 < emeb> \o/
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2014-04-20T23:33:32 < bvernoux> and higher voltage tolerance
2014-04-20T23:33:42 < bvernoux> +/-30V is nice
2014-04-20T23:36:40 < emeb> I see they've got some sort of little buffers on there
2014-04-20T23:38:07 < emeb> or maybe it's just resistors and schottky diodes to the supplies to keep from overdriving the FPGA inputs...
2014-04-20T23:38:20 < bvernoux> yes just some diodes + res ;)
2014-04-20T23:38:30 < bvernoux> I will take photo when i will receive my board
2014-04-20T23:38:41 < bvernoux> as they have not open schematics & hardware
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2014-04-20T23:38:59 < emeb> noticed that the schematics aren't readily visible on the websites
2014-04-20T23:39:16 < bvernoux> yes nothing is available in fact just the source code of the sw
2014-04-20T23:39:43 < bvernoux> i'm not sure the HW is intended to be open source (wait and see)
2014-04-20T23:40:07 < emeb> :P - even though their KS has the OSH logo.
2014-04-20T23:41:17 < bvernoux> for me see speak about open source just about the PC SW
2014-04-20T23:41:23 < bvernoux> I have not seen the OSH logo
2014-04-20T23:41:31 < bvernoux> ha yes true at end ;)
2014-04-20T23:41:41 < bvernoux> a big Open Source Hardware with Logo
2014-04-20T23:41:47 < emeb> yep
2014-04-20T23:41:57 < emeb> lies, all lies. ;)
2014-04-20T23:42:14 < emeb> wonder if the FPGA design is available?
2014-04-20T23:42:31 < bvernoux> I hope all will be available
2014-04-20T23:42:39 < bvernoux> anyway open source apply when people have the HW ;)
2014-04-20T23:43:07 < bvernoux> same for my project i will release all just when 1st batch will be publicly available
2014-04-20T23:43:22 < emeb> how's your little SDR board coming along?
2014-04-20T23:44:09 < bvernoux> it is fine
2014-04-20T23:45:52 < emeb> what's the name again - can't find my bookmark...
2014-04-20T23:46:16 < bvernoux> airspy
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2014-04-20T23:47:20 < bvernoux> it will be fun also for developers ;)
2014-04-20T23:47:27 < emeb> no doubt
2014-04-20T23:47:39 < emeb> nice little extruded case
2014-04-20T23:48:06 < emeb> you've got it working with SDR#?
2014-04-20T23:48:37 < bvernoux> of course
2014-04-20T23:48:55 < bvernoux> picture on the website are real capture with airspy HW
2014-04-20T23:49:45 < emeb> did you have to tweak SDR# to support it, or does it use USB protocols that are similar to other devices?
2014-04-20T23:50:14 < bvernoux> it is like for other devices
2014-04-20T23:50:18 < bvernoux> just plugin
2014-04-20T23:50:31 < bvernoux> sdr# use airspy host_tools too
2014-04-20T23:50:40 < emeb> so it looks like an RTL-SDR to the host?
2014-04-20T23:50:51 < bvernoux> just like gr-osmosdr
2014-04-20T23:50:57 < emeb> cool
2014-04-20T23:51:11 < bvernoux> yes but with a GUI for settings
2014-04-20T23:51:16 < bvernoux> more settings
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2014-04-21T01:17:54 < Miek> bvernoux | but more open as it use open source tools like sigrok
2014-04-21T01:17:56 < Miek> ha :D
2014-04-21T01:19:15 < Miek> they only admitted it was sigrok after getting called out on it, they keep doing code dumps rather than trying to actually get stuff merged upstream and the latest code dump is missing a bunch of GPL'd stuff :p
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2014-04-21T01:34:05 < emeb> haha
2014-04-21T01:34:26 < emeb> Isn't open source fun?
2014-04-21T01:34:50 < emeb> How many times will people try to sneak under the radar w/ OS and then get called out.
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2014-04-21T01:46:57 < dongs> ohh more airspy advertising
2014-04-21T01:48:02 < Steffanx> Says the one who posts daily pics of this chromebook/ipad screens :P
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2014-04-21T01:48:27 < Steffanx> -daily +daily (somewhere at the end)
2014-04-21T01:52:30 < dongs> i ned to blog about chromebook one
2014-04-21T01:52:32 < dongs> but too lazy
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2014-04-21T01:57:07 < emeb> heh - fun with USB HID host - dumping status msgs to USART during setup
2014-04-21T02:23:29 < dongs> http://www.ouyawebstore.com/details.php?id=889ba8ce-dd32-49ec-a899-c1fc33ec6428
2014-04-21T02:24:13 < superbia> why is gnaa down
2014-04-21T02:27:47 < dongs> is superbia beaky trying to avoid my ignore list
2014-04-21T02:28:17 < superbia> i think you already did your script on me. it seems you are 2 incapable to write a propper ignore script
2014-04-21T02:28:42 < dongs> this shit restarted the day i went on vacation
2014-04-21T02:28:50 < dongs> and I probably lost half the settings since i dont save them
2014-04-21T02:29:23 < superbia> might be.. still your mistake.
2014-04-21T02:38:17 -!- FreezingCold [~FreezingC@135.0.41.14] has quit [Ping timeout: 245 seconds]
2014-04-21T02:50:19 < dongs> http://www.independent.co.uk/life-style/gadgets-and-tech/neil-youngs-pono-music-player-becomes-the-3rd-most-funded-product-on-kickstarter-but-can-you-even-hear-the-difference-9265318.html lol
2014-04-21T02:51:51 < zyp> dongs, so about those workpcbs
2014-04-21T02:51:54 < dongs> ya
2014-04-21T02:51:58 < zyp> what did you say about the connectors?
2014-04-21T02:52:00 < dongs> zyp, did you see my tweet about connector
2014-04-21T02:52:15 < dongs> old quote was 'old stock' new one is liek moar expensive cuz they actually have to make them.
2014-04-21T02:52:20 < zyp> I saw you said something, but I was too tired to think, and now I forgot what you said
2014-04-21T02:52:24 < dongs> 6 weeks L/T and like 22-23 TWD/ea
2014-04-21T02:52:27 < superbia> jews.
2014-04-21T02:52:31 < zyp> oh
2014-04-21T02:52:37 < dongs> vs 14.5 for prev qutoe
2014-04-21T02:52:51 < zyp> well, I guess that's still not more expensive than 100 from digikey will run me
2014-04-21T02:52:56 < dongs> lol
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2014-04-21T02:54:01 < zyp> the wait is a bit worse, since I believe people wanted the boards before june, and I think I said that shouldn't be a problem (not expecting a fucking lead time)
2014-04-21T02:54:43 < dongs> well, we could order the stuff soon (I think tw office can cover initial cost and then bill later)
2014-04-21T02:54:52 < dongs> and 6w is probbly worst case, they could show up sooner.
2014-04-21T02:56:22 < dongs> PS3BM20-225GBOOT-U w/o  cap and  peg .CAP ..Price : NTD 21.5/pcs, Qty:1,008Kpcs
2014-04-21T02:56:22 < dongs> PS3BM20-225GBCPT-U with cap and peg .CAP .. Price : NTD 23.0/pcs, Qty:1,008Kpcs
2014-04-21T02:56:22 < dongs> PS3BM20-225GBOPT-U w/o  cap, w/peg  .CAP.. Price : NTD 22.0/pcs, Qty:1,008Kpcs
2014-04-21T02:57:06 < zyp> 23k TWD is 762 USD, 108 of these is 769 USD http://www.digikey.com/product-detail/en/M50-3152542/952-1376-5-ND/2264357
2014-04-21T02:57:08 < dongs> or you can do one more final search and see if someone else less jewish has similar stuff
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2014-04-21T02:57:15 < zyp> yeah
2014-04-21T02:57:26 < dongs> jesus 9 bucks
2014-04-21T02:57:28 < dongs> insanity
2014-04-21T02:57:50 < zyp> I remember one of the other boards had two other suggested alternatives, but I couldn't find any distributors for those, but maybe you know any
2014-04-21T02:58:54 < zyp> 12:06:48 < zyp> apparently other options are "Cen Link TPF0-24050-0111" or "Grad Conn BB02-CQ502-K08-000000", but I haven't seen them in stock anywhere
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2014-04-21T03:01:12 < dongs> ok lemme pass this to tw and see if they can find it
2014-04-21T03:01:30 < dongs> oo
2014-04-21T03:01:32 < dongs> cenlink is twr a lso
2014-04-21T03:01:53 < zyp> gradconn too
2014-04-21T03:01:56 < dongs> oh so is gradconn
2014-04-21T03:01:56 < dongs> kk
2014-04-21T03:01:59 < dongs> good, maybe they know then
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2014-04-21T03:41:26 < dongs> foxconning since 7am
2014-04-21T03:41:28 < dongs> fml
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2014-04-21T06:19:55 < madist> http://www.youtube.com/watch?v=PJQVlVHsFF8
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2014-04-21T10:55:33 < dongs> http://blog.gsmarena.com/toshiba-satellite-p55t-worlds-first-notebook-4k-uhd-display/
2014-04-21T10:55:37 < dongs> nice
2014-04-21T10:55:38 < dongs> fucking finally, shit is MOVING
2014-04-21T10:55:44 < dongs> none of this 1280x720p crap
2014-04-21T10:55:51 < dongs> doesnt cost $5k either
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2014-04-21T13:24:10 < Thorn> Our analysis reveals the GLONASS integration algorithms skipped an interval of around 1.5 minutes at the control centre software.
2014-04-21T13:24:20 < Thorn> At 21:00 UTC April 1, all GLONASS satellites received an orbit state (ephemeris) which was clearly several minutes ahead of the current orbit shape without actually changing the applicable reference time stamp. In other words, future orbit-position, velocity and accelerations were assigned to a current reference timestamp.
2014-04-21T13:24:32 < Thorn> This led to incorrect orbit positions for all GLONASS satellites and subsequent problems with receiver using GLONASS measurements.
2014-04-21T13:27:52 < dongs> cool
2014-04-21T13:27:59 < dongs> april 1st trollin
2014-04-21T13:29:16 < dongs> fuck
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2014-04-21T13:40:39 < dongs> https://www.kickstarter.com/projects/neptune/neptune-pine-smartwatch-reinvented/posts
2014-04-21T13:40:43 < dongs> haha what the fuck
2014-04-21T13:40:46 < dongs> Unfortunately, we predict that there might be a slight delay in the actual SMT production; as there has been recent evidence of software issues at the SMT lines at our manufacturing facilities in China; leading to inaccurately printed boards and circuits.
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2014-04-21T13:44:05 < dongs> Also, try not using chinese factories, just look at Denon, Yamaha and Pioneer in the AVR market not to mention they have horrible labor laws and zero ethics and are probably copying your product as we speak to make a rip off version to sell. Hence the slight delay while they figure that all out.NOt to mention they support Iran and the Syrian murderous government. Good talk.
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2014-04-21T14:13:50 < PaulFertser> Hi. Is there any reasonable stm32 alternative that allows -50C storage temperature?
2014-04-21T14:14:23 < dongs> isnt there T7 industrial grade in stm32?
2014-04-21T14:15:02 < dongs> Operating Temperature-40°C ~ 105°C
2014-04-21T14:15:05 < dongs> verrry close
2014-04-21T14:15:10 < dongs> where the fuck you got -50C ? north pole?
2014-04-21T14:16:28 < PaulFertser> Fucking military morons want to have shit in Syberia and such.
2014-04-21T14:16:39 < dongs> so -40c doesnt cut it?
2014-04-21T14:17:06 < PaulFertser> They think it doesn't, yes.
2014-04-21T14:18:17 < PaulFertser> Milandr controllers are available with that range but I'd rather not have to deal with their shit-library that is a poor copycat of the st shit-library.
2014-04-21T14:18:27 < dongs> :D
2014-04-21T14:19:07 < dongs> according to digikey, nothing below 4
2014-04-21T14:19:08 < dongs> 40
2014-04-21T14:19:28 < dongs> for M3, same for M0
2014-04-21T14:19:52 < PaulFertser> Thanks for checking :)
2014-04-21T14:20:00 < PaulFertser> I guess I'll refrain from participating in this project then.
2014-04-21T14:20:01 < dongs> http://www.digikey.com/product-detail/en/ATTINY26-16MQ/ATTINY26-16MQ-ND/1914690
2014-04-21T14:20:02 < dongs> here u go
2014-04-21T14:20:11 < dongs> Operating Temperature-55°C ~ 125°C
2014-04-21T14:21:01 < PaulFertser> Hehe
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2014-04-21T14:21:52 < Thorn> that temp range is itar/wassenaar controlled isn't it
2014-04-21T14:22:17 < dongs> what
2014-04-21T14:22:27 < dongs> why would they give a shit ?:)
2014-04-21T14:22:46 < Thorn> u.s. distributors certainly will
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2014-04-21T14:22:58 < Thorn> and eu
2014-04-21T14:23:03 < dongs> thats fuckign
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2014-04-21T14:37:53 < PaulFertser> Cool
2014-04-21T14:37:57 < PaulFertser> Too cool
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2014-04-21T15:11:48 < Abhishek_> morning
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2014-04-21T16:03:12 < zyp> oh, stm32f072 added to digikey finally
2014-04-21T16:03:21 < zyp> expected in stock 11. july
2014-04-21T16:03:46 < zyp> also way overpriced
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2014-04-21T16:55:02 < Abhishek_> So many STM32s in the market, is value line still relevant?
2014-04-21T16:59:55 < zyp> hah, no
2014-04-21T17:01:19 < zyp> unless of course you for some reason need the exact capabilities provided by a value line chip which is not provided by a cheaper chip, and you care a lot about the price
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2014-04-21T17:20:05 < Robint91> I do use the F100 series
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2014-04-21T17:46:58 < synic> Steffanx: I did see that, but I didn't know how it applied to me.  I'm pretty new to electronics in general
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2014-04-22T02:32:40 < Tectu_> "i_know_how_to_use_gdb_thank_you_very_much": false
2014-04-22T02:32:52 < Tectu_> these configuration files these days...
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2014-04-22T02:49:18 < dongs> lol gdb
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2014-04-22T03:11:21 < dongs> fuck
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2014-04-22T03:15:46 < dongs> still looking for a nonfucktarded way to search/select all components of a given value in altium
2014-04-22T03:15:50 < dongs> so I can hand-place a board
2014-04-22T03:16:01 < dongs> daaaammn such basic shit shouldnmt be complicated
2014-04-22T03:16:09 < dongs> ctrl+f list is worthless, you double click results it doesnt jump to them
2014-04-22T03:18:27 < englishman> <dongs> daaaammn such basic shit shouldnmt be complicated
2014-04-22T03:18:32 < englishman> this describes all of altium for me
2014-04-22T03:19:34 < dongs> got boards drying on my fucking desk beacuse it would take ages to figure out waht part goes where fuck
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2014-04-22T03:58:07 < qyx_> 19 Ed25519 signatures per second on L1 discovery
2014-04-22T03:58:17 < qyx_> and 6.5 verifications per second
2014-04-22T03:58:27 < dongs> hhaha
2014-04-22T03:58:29 < qyx_> (32 byte message)
2014-04-22T03:58:37 < dongs> yore gonna be a dogecoin millionaire in a few centuries
2014-04-22T03:59:06 < qyx_> i hate the fact it has ~60K of init data
2014-04-22T03:59:19 < qyx_> so half of the flash is used by stupid numbers
2014-04-22T04:01:34 < dongs> precalculate all the things
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2014-04-22T04:12:38 < gxti> looks like it's intentional, to avoid cache timing attacks. totally irrelevant for non-PC apps.
2014-04-22T04:13:23 < dongs> you should port python t o L1 t hen use python implementation of ed25519
2014-04-22T04:13:39 < gxti> qyx_: why this particular algo?
2014-04-22T04:14:14 < dongs> hes writing a super secure bootloader
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2014-04-22T04:17:27 < gxti> definitely a poor choice for code signing, probably a poor choice for actual communications stuff on stm32
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2014-04-22T05:58:04 < emeb> heh - nuttx wiki sends you to gitorious from a link that says github
2014-04-22T05:59:02 < dongs> whats the difference
2014-04-22T05:59:09 < dongs> is gitorious some shithub clone?
2014-04-22T05:59:33 < emeb> both git servers. not the same tho
2014-04-22T05:59:33 < dongs> exile for raged out shithub users?
2014-04-22T06:00:01 < emeb> I'm sure there's some political differences that are important to someone. not me.
2014-04-22T06:00:13 < englishman> shithub, shitorious, shitbucket
2014-04-22T06:01:22 < dongs> yes
2014-04-22T06:01:27 < dongs> like shithub supporting gay marriage
2014-04-22T06:01:49 < dongs> because it really makes a fucking difference to your code
2014-04-22T06:02:53 < englishman> feminazis took over
2014-04-22T06:03:07 < englishman> to push non-code-related agendas
2014-04-22T06:06:30 < dongs> ridiculous
2014-04-22T06:09:28 < dongs> zyp, nice, cenlink is 13twd
2014-04-22T06:09:36 < dongs> still 4week leadtime tho, workign on checking if the4y have stock locally
2014-04-22T06:12:16 < Bird|otherbox> gxti: what's the point of securing your widget against someone who physically has it?
2014-04-22T06:12:50 < Bird|otherbox> (assuming you're not dealing with something that does something hardcore like, PIN entry)
2014-04-22T06:13:10 < gxti> why are you asking me
2014-04-22T06:13:18 < gxti> i mean, i could answer. but i wasn't suggesting that anyone should.
2014-04-22T06:14:25 < gxti> i was merely commenting on his choice of cipher
2014-04-22T06:14:46 < Bird|otherbox> gxti: :) yeah, I pity the proliferation of "OMG THIS MUST BE SECURE FROM EVERYTHING!?!1111111!!!!"
2014-04-22T06:15:08 < gxti> i wasn't even commenting on the security ramifications of the cipher
2014-04-22T06:15:32 < Bird|otherbox> you aren't going to stop the Zoidbergs from taking FIBs to your chip.
2014-04-22T06:15:42 < gxti> are you even listening
2014-04-22T06:15:54 < gxti> are you reading the words i make typey in the ircs
2014-04-22T06:16:00 < Bird|otherbox> superposition of yes and no. ;)
2014-04-22T06:16:08 < gxti> ok have fun with that
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2014-04-22T06:33:31 < dongs> who the fuck is zoidberg
2014-04-22T06:33:52 < dongs> oh fucking american anniemay
2014-04-22T06:34:00 < dongs> the only thing worse than jap annimeay is aaamerican shit
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2014-04-22T06:48:03 < Bird|otherbox> dongs: it's actually a reference to an acquaintance of mine from another channel here on Freenode
2014-04-22T06:48:23 < dongs> i hope youre not talkin about astonerberg
2014-04-22T06:48:29 < dongs> cuz that guy is just a shitty poser TA
2014-04-22T06:51:21 < englishman> all phd students are tas
2014-04-22T06:56:38 < dongs> not all are posers tho
2014-04-22T06:56:52 < dongs> or attention whores
2014-04-22T06:59:16 < englishman> no, most are too busy in some windowless room doing work
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2014-04-22T07:09:19 < Bird|otherbox> englishman: usually the g-word too :P
2014-04-22T07:12:12 < dongs> gay?
2014-04-22T07:13:24 < Bird|otherbox> no
2014-04-22T07:13:26 < Bird|otherbox> grades!
2014-04-22T07:13:52 < Bird|otherbox> aka the only thing people dislike more than doing homework.
2014-04-22T07:14:08 < englishman> that doesnt make sense
2014-04-22T07:15:53 < gxti> most of the things Bird says make no sense
2014-04-22T07:16:17 < dongs> must be because he runs lunix
2014-04-22T07:16:30 < dongs> amiriet
2014-04-22T07:16:38 < englishman> forced lol is forced
2014-04-22T07:17:00 < dongs> no force needed.
2014-04-22T07:17:03 < dongs> astonerberg runs lunix too
2014-04-22T07:17:06 < dongs> thats why he never gets anything done
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2014-04-22T07:30:08 < madist> dongs is old shit. there's a new guy on freenode - loldongs. new and improved!
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2014-04-22T08:08:15 < zyp> dongs, are there still a 1k MOQ, or can I just get the 100 I need?
2014-04-22T08:09:59 < dongs> no, 1k
2014-04-22T08:10:06 < dongs> this is the cenlink
2014-04-22T08:10:17 < dongs> 4W leadtime, so if you're confirming, better do it quick
2014-04-22T08:10:22 < dongs> then you have a chance of getting them by june :)
2014-04-22T08:10:44 < zyp> what about that other one? any answer from there yet?
2014-04-22T08:11:06 < dongs> gradcomm asked project info
2014-04-22T08:11:09 < dongs> waiting for reply
2014-04-22T08:11:22 < dongs> and how many millions i planned to buy annulally
2014-04-22T08:11:34 < dongs> but yeah once i get reply from them we'll deciee
2014-04-22T08:14:00 < zyp> ok, if gradconn doesn't turn out to be faster or cheaper then just get them from cenlink
2014-04-22T08:14:33 < zyp> hmm, 13k twd would be around $430, that's way cheaper than 100 from digikey :p
2014-04-22T08:14:55 < emeb_mac> *shocking*
2014-04-22T08:15:05 < emeb_mac> DK isn't the low-price leader? :)
2014-04-22T08:15:10 < zyp> so ok, I'm fine with that
2014-04-22T08:16:05 < zyp> fits in the budget for this project, and then I'll have free connectors in the future if I need more
2014-04-22T08:16:13 < emeb_mac> looking thru the "stm32cubef4" source - the really revamped the USB Host code.
2014-04-22T08:18:11 < dongs> does it suck less???
2014-04-22T08:18:55 < dongs> zyp:  fwd'd you cenlink datasheet
2014-04-22T08:19:47 < emeb_mac> dongs: hard to tell yet - haven't tried it out on HW yet
2014-04-22T08:19:54 < emeb_mac> looks like it's more complete tho
2014-04-22T08:20:04 < emeb_mac> more classes supported
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2014-04-22T08:20:28 < zyp> more complete = more complex? :p
2014-04-22T08:21:04 < emeb_mac> zyp: actually looks simpler
2014-04-22T08:21:14 < emeb_mac> parsing routines are more concise
2014-04-22T08:21:18 < emeb_mac> fewer source files
2014-04-22T08:21:57  * emeb_mac hopes it works better
2014-04-22T08:22:21 < dongs> oh but wait
2014-04-22T08:22:26 < dongs> isnt cubeF4 that bullshit HAL aids
2014-04-22T08:22:36 < dongs> thats uglier than stdeperiphlib? :)
2014-04-22T08:22:59 < zyp> IMO it's pretty hard to be uglier than stdperiphlib :p
2014-04-22T08:23:34 < emeb_mac> dongs: ifinkso
2014-04-22T08:24:00 < emeb_mac> haven't looked at the updated stdperiph equivs yet
2014-04-22T08:25:17 < dongs> the shit madisk or some other dude was pasting in here of trying to use it looked pretty horrible
2014-04-22T08:25:49 < dongs> they put peripheral adress into start of struct now
2014-04-22T08:25:53 < dongs> like GPIO_InitStruct or wahtenot
2014-04-22T08:26:11 < dongs> so you do gpio->GPIOA, then set other crap and init is GPIO_INit(&struct);
2014-04-22T08:28:27 < emeb_mac> hmmm
2014-04-22T08:28:33 < emeb_mac> need to study a bit more
2014-04-22T08:30:13 < emeb_mac> doesn't look extremely different from stdperiph
2014-04-22T08:30:26 < emeb_mac> just name changes on the functions mostly
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2014-04-22T09:13:15 < qyx_> gxti: it is the only algo i have found with this speeds in embedded + offers assymetric sign/verify with just 256bits public/private keys
2014-04-22T09:14:37 < qyx_> the key size is quite a big constrain and elliptic curve crypto has reasonably small keys
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2014-04-22T09:15:40 < qyx_> but of course there are others curves as well
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2014-04-22T10:35:27 < emeb_mac> dumb question - trying to compile some new stuff - getting a complaint from linker about not finding _init()
2014-04-22T10:35:35 < emeb_mac> is it ok to just stub that out?
2014-04-22T10:35:38 -!- madist [madist@unaffiliated/madist] has quit [Ping timeout: 240 seconds]
2014-04-22T10:35:44 < emeb_mac> this is not C++
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2014-04-22T11:09:16 < jpa-> heh.. i have accidentally chosen a smaller memcpy() implementation that just copies byte-by-byte
2014-04-22T11:09:25 < jpa-> noticed during instruction tracing
2014-04-22T11:09:39 < jpa-> it's really painful watch it copy 128 bytes.. 5 instructions per byte..
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2014-04-22T14:53:43 < Laurenceb_> im slightly worried by the GCC 4.8 release notes
2014-04-22T14:53:58 < Laurenceb_> theres a significant amount of text devoted to AVR
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2014-04-22T15:02:38 < karlp> Laurenceb_: why does that matter?
2014-04-22T15:02:53 < karlp> means someone went and actually worked on some long standing avr issues, so what?
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2014-04-22T15:28:18 < jpa-> karlp: well of course GCC should only support one processor at a time
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2014-04-22T15:35:38 < karlp> also, what version of the release notes is he even reading?!
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2014-04-22T16:23:44 < vadmeste> Hello everybody. I wonder if GPIOx->AFR[0,1] are correct after reset or shouldn't I rely on that ? (I want to be able to read and interpret them..)
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2014-04-22T16:38:10 < jpa-> vadmeste: they'll be set to their reset values as indicated in reference manual
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2014-04-22T17:43:33 < synic> welp, I was able to flash a working bootloader to my bmp
2014-04-22T17:43:35 < synic> thanks Miek
2014-04-22T17:44:23 < Miek> nice :D
2014-04-22T17:45:28 < Miek> you said on the issue "compiled from the latest master branch", did you mean blackmagic master or libopencm3 master?
2014-04-22T17:45:29 < synic> if you were me, and you had a bmp, but had no picoblade connectors, how would you have connected the SWD pins?
2014-04-22T17:45:58 < synic> I did order some picoblade connectors, but I got antsy last night and rigged something up
2014-04-22T17:46:28 < Miek> i have a diy bmp with 0.1" header for the swd/uart :p
2014-04-22T17:46:58 < Miek> but i'd probably just solder some small wires temporarily or something like that
2014-04-22T17:47:14 < synic> I had some 32ga pure nickel wire that I coiled on one end around a pin a few times
2014-04-22T17:47:22 < synic> and then slid that little coil over the picoblade pin
2014-04-22T17:47:33 < synic> it was a bit janky, but it worked
2014-04-22T17:49:43 < Miek> i had a horrible hack to program my bmp this weekend, i was away for easter and had taken it with me to work on supporting a new chip. first flash i ran into the bootloader problem and i had nothing around to make up a cable. i ended up cutting up some mains earth cable, using individual strands plugged into the ribbon cable with electrical tape to insulate, then held the whole thing against the 0.1" holes :x
2014-04-22T17:51:42 < synic> what is it you do for work?
2014-04-22T17:52:58 < Miek> i work as a researcher at a university, doing wireless (mostly bluetooth le) sensor stuff
2014-04-22T17:54:00 < synic> and you use stm32 in that?
2014-04-22T17:55:50 < Miek> nah, using the nrf51822. i use stm32 in some freelance and hobby projects
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2014-04-22T18:48:02 < Laurenceb_> nice
2014-04-22T18:48:11 < Laurenceb_> gcc4.8 produces 5% smaller code
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2014-04-22T19:16:38 < Steffanx> Go get TNT and use 4.9 Laurenceb_ :)
2014-04-22T19:16:48 < PaulFertser> Miek: so were you adding nrf51 flashing support to bmp?
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2014-04-22T19:26:32 < Steffanx> synic, maybe you should be a nice guy and notify tag-connect of this error. ( not sure if they made their own bmp, but i guess it's good for them to know about this issue )
2014-04-22T19:26:45 < Steffanx> The faulty bootloader that is.
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2014-04-22T19:27:09 < synic> Steffanx: couldn't hurt.  I'll shoot him an email
2014-04-22T19:29:04 < Miek> PaulFertser: maybe :)
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2014-04-22T19:30:38 < Steffanx> im kind of surprised zyp  didnt do it. He worked with those mcus as well
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2014-04-22T19:39:01 < PaulFertser> Miek: you can take some code from OpenOCD, nrf51 driver there is GPLv2+ so you can relicense it with GPLv3.
2014-04-22T19:40:27 < zyp> not sure if there is anything to gain from that, flashing code isn't complex
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2014-04-22T19:41:25 < zyp> i.e. you're probably spending as long on digging out and porting openocd code as it would take to implement it from scratch based on the nrf RM
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2014-04-22T19:41:41 < PaulFertser> 1070 lines are there for a reason, not that complex but certainly worth at least reading.
2014-04-22T19:42:45 < Miek> yeah, i've been looking at both for reference
2014-04-22T19:42:50 < zyp> bmp flash drivers don't tend to be that large :)
2014-04-22T19:43:46 < zyp> I assume openocd expects more flexibilty than bmp requires from it's flash stubs
2014-04-22T19:45:33 < Miek> the main holdup is getting my head around how bmp/gdb operate and what i need to implement. eg: when i run "load" in gdb what flash erase/write calls will it make? does my driver need to worry about pages being erased first or will gdb work it out? etc.
2014-04-22T19:46:33 < zyp> gdb sorts that out for you
2014-04-22T19:46:43 < zyp> you can assume that all areas you are asked to write are already erased
2014-04-22T19:47:46 < karlp> as long as you implemented erase right?
2014-04-22T19:47:52 < zyp> https://github.com/gsmcmullin/blackmagic/blob/master/src/stm32l1.c <- I wrote this one
2014-04-22T19:48:39 < Miek> cool, cheers
2014-04-22T19:49:10 < Miek> and i'm assuming i'll need to write a flash stub, writing word by word from the driver is probably going to be awfully slow?
2014-04-22T19:49:18 < zyp> depends
2014-04-22T19:49:29 < zyp> in l1 I'm not using a stub, because it's pointless
2014-04-22T19:50:16 < zyp> the advantage of a stub is because it avoids a round trip delay over swd when you have to check a busy flag in between each word
2014-04-22T19:50:28 < karlp> huh, that probe mechanism is nice
2014-04-22T19:50:33 < zyp> but l1 has no busy flag, it does wait states to control flow
2014-04-22T19:50:40 < zyp> karlp, yes, it's pretty easy
2014-04-22T19:50:41 < karlp> I built something similar, but much less pretty
2014-04-22T19:51:19 < karlp> that PROBE() define magic makes it look pretty at least
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2014-04-22T19:52:37 < Miek> also i need to come up with a nice way to handle softdevice/uicr stuff, but that can be done later :p
2014-04-22T19:52:39 < karlp> how does the xml memory map get mangled? it's hardcoded values in the stm32l1.c file...
2014-04-22T19:52:47 < zyp> Miek, no, you don't
2014-04-22T19:53:02 < aadamson> Theoretical question... if you enable a GPIO clock, configure the pin and set it to a specific state (high/low) then disable the clock, the pin will hold it's state?
2014-04-22T19:53:11 < zyp> bmp shouldn't need to care about the softdevice
2014-04-22T19:53:24 < zyp> it's just software and gdb can deal with loading that
2014-04-22T19:54:30 < karlp> hmm, bmp just returns the biggest xml memory map the family supports, rather than an explicitly correct one for the actual target.
2014-04-22T19:54:33 < englishman> aadamson: never tried, but i doubt it
2014-04-22T19:54:36 < karlp> I guess that works just fine...
2014-04-22T19:54:51 < zyp> karlp, yes, that's the lazy way of doing it
2014-04-22T19:55:05 < aadamson> I would expect it would... how else would sleep/stop mode hold IO if it doesn't? while in sleep/stop mode
2014-04-22T19:55:06 < PaulFertser> zyp: but should one have a section in the xml map for uicr?
2014-04-22T19:55:11 < aadamson> I'm about to try it, so we'll see
2014-04-22T19:55:23 < zyp> PaulFertser, probably
2014-04-22T19:55:29 < karlp> pretty sure a loader still makes sense on the l1, I seem to recall it got significant speedups in texane/stlink when a loader was put in for it.
2014-04-22T19:55:36 < zyp> the xml map should list all flashable areas
2014-04-22T19:55:50 < englishman> interesting
2014-04-22T19:56:32 < zyp> the main purpose of the xml map is to tell gdb what is plain memory and what is flashable areas (that needs explicit erase before write)
2014-04-22T19:56:42 < zyp> and then gdb handles erase before write on the flashable areas
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2014-04-22T19:56:51 < PaulFertser> http://openocd.zylin.com/#/c/2013/ here's how UICR stuff was done in OpenOCD.
2014-04-22T19:56:55 < zyp> and it also tells the block size, of course
2014-04-22T19:57:49 < zyp> UICR is just like any EEPROM area in other chips
2014-04-22T19:58:02 < PaulFertser> yep
2014-04-22T19:58:44 < Miek> zyp: well i suppose my main issue was just that it should handle the special erase nicely, or at least error out appropriately
2014-04-22T19:58:46 < SlaveToTheSauce> aadamson: i'd guess it keeps its state just fine...the clock control just sets whether it pays attention to the ahb bus i believe
2014-04-22T19:59:24 < aadamson> SlaveToTheSauce, thanks, yea, I suspect this is how people put devices in sleep/stop mode and have IO hold
2014-04-22T20:00:42 < aadamson> just about have my peripherals all configured for on/off/init/function and last will be the GPIO, as a test.  Trying to get an L1 down to minimal current in run mode at the moment
2014-04-22T20:01:17 < aadamson> and yes I already have them all configured for analog as a first step
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2014-04-22T20:16:29 < Miek> zyp: just read those comments on the memory map, that's good to know, cheers
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2014-04-22T20:36:26 < Laurenceb> http://www.spiegel.tv/filme/nacktperformance-art-cologne/
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2014-04-22T20:38:39 < Laurenceb> lol 3:55
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2014-04-22T21:11:33 < madis_> what does 'chibi' mean ? like in chibios and chibitronics
2014-04-22T21:15:32 < SlaveToTheSauce_> when a basement-dweller and a japan love each other very much, they make a chibi
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2014-04-22T21:25:03 < emeb> http://www.urbandictionary.com/define.php?term=chibi
2014-04-22T21:25:42 < madis_> haha
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2014-04-22T21:40:46 < PaulFertser> emeb: I guess you figured it out by now, but yes, _init() is perfectly fine to stub out if you do not have static classes in C++.
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2014-04-22T22:17:27 < karlp> Laurenceb: you might like this response then: stof
2014-04-22T22:17:42 < karlp> let's try that again: http://www.theguardian.com/artanddesign/jonathanjonesblog/2014/apr/22/artist-eggs-vagina-paintings-performance-art-milo-moire
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2014-04-22T23:11:02 < aadamson> for my next bizarre question... Anyone playing with L1's and getting the 9.5ma of current out of them in run mode (range 1)?
2014-04-22T23:11:37 < aadamson> I can turn everything off and stick a while(1); in my main loop, depending on where that is (has no matter what the code is around it), the current will jump from 9ma to 13ma
2014-04-22T23:12:17 < aadamson> I can not figure out what the other 4ma is, it can be just a do/while loop counting and depending on where I put the while(1);, it will give me 9ma sometimes and 13 others
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2014-04-22T23:16:54 < Steffanx> And this is just the L1? No terrible unefficient regulator aadamson ?
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2014-04-22T23:17:10 < aadamson> yeah, just the L1
2014-04-22T23:17:18 < aadamson> nothing between it at the processor
2014-04-22T23:17:29 < aadamson> power supply is separate and I'm between the smps and the board
2014-04-22T23:17:39 < aadamson> watching current
2014-04-22T23:18:45 < zyp> and the L1 is decoupled properly?
2014-04-22T23:18:56 < aadamson> yes all the caps are there and then some
2014-04-22T23:19:07 < aadamson> and all as close as possible where specified
2014-04-22T23:19:47 < aadamson> I've configured all pins an ain, and turned off all gpio clocks
2014-04-22T23:19:56 < aadamson> same for peripherals that may have been configured
2014-04-22T23:21:51 < aadamson> and I've tried with and without jtag built for/connected/etc no difference
2014-04-22T23:21:58 < aadamson> swo turned on/off
2014-04-22T23:21:59 < aadamson> etc
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2014-04-22T23:33:10 < emeb> PaulFertser: thanks for the info on _init()
2014-04-22T23:36:08 < emeb> I ended up just commenting out the line in the startup.s that was initializing the C++ environment, but it worked with the stub too.
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2014-04-22T23:58:36 < aadamson> going to try a clock change as I had usb clock being generated and don't need it, doubt it will change the current much, but ya never know
2014-04-22T23:58:56 < aadamson> I should say a PLL change
--- Day changed Wed Apr 23 2014
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2014-04-23T00:10:40 < karlp> hrmm, it was very flat for me last time I measured it, without doing anything special, but it's been a while since I measured honestly
2014-04-23T00:12:29 < scrts> is it me only that this is not working: http://www.7-zip.org ?
2014-04-23T00:12:37 < scrts> can't get it :|
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2014-04-23T01:48:08 < hesperaux> peeps and guys and dudes and people
2014-04-23T01:48:25 < hesperaux> anybody know if the raspberry pi has some sort of DMA for SPI?
2014-04-23T01:48:40 < hesperaux> i ask here because this channel might have interconnected a pi with their stm32
2014-04-23T01:49:07 < englishman> "might" have
2014-04-23T01:49:09 < englishman> we ALL have
2014-04-23T01:49:16 < englishman> who on earth hasn't
2014-04-23T01:49:32 < englishman> they go together like butter on toast
2014-04-23T01:49:34 < qyx_> i can fell some sort of sarcasm
2014-04-23T01:49:40 < qyx_> feel
2014-04-23T01:49:41 < qyx_> ah
2014-04-23T01:49:45 < hesperaux> not sure if extreme sarcasm or genuine assistance
2014-04-23T01:50:05 < qyx_> hesperaux: theres very limited sense in connecting pi with stm32
2014-04-23T01:50:17 < hesperaux> i know that
2014-04-23T01:50:21 < qyx_> if you already have 32bit arm, theres no point in using another 32bit arm
2014-04-23T01:50:24  * hesperaux is not actually doing that
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2014-04-23T01:53:51 < hesperaux> i've got a pi for receiving data from an NRF wireless link
2014-04-23T01:53:55 < hesperaux> (from an stm32)
2014-04-23T01:54:45 < hesperaux> debating on possibly scrapping using the pi for this purpose. on a scale of a 1(easy)-10(hard) how difficult is it to use USB on STM32? I've never done anything ever with embedded usb
2014-04-23T01:55:30 < zyp> host or device?
2014-04-23T01:55:57 < hesperaux> device
2014-04-23T01:56:18 < hesperaux> i'm thinking: "receive data via SPI from Nrf24l01, then upload via usb"
2014-04-23T01:56:24 < zyp> ah
2014-04-23T01:56:41 < hesperaux> i feel like that could be done cheaply on an stm32f10x
2014-04-23T01:56:53 < hesperaux> (i have an extra f1, but that's it right now)
2014-04-23T01:57:42 < zyp> I'd say it's pretty easy, but then again I already have lots of working usb code that's fast to whip up something useful from
2014-04-23T01:57:44 < ds2> why all the chips in the middle?
2014-04-23T01:57:51 < qyx_> you could even use some ftdi chip and bitbang spi :X
2014-04-23T01:58:10 < hesperaux> ds2, please elaborate on your implication
2014-04-23T01:58:21 < ds2> does your ultimate chip not speak SPI?
2014-04-23T01:58:22 < qyx_> to have software-defined-interface hardware-radio!
2014-04-23T01:58:30 < hesperaux> qyx_, can I bitbang SPI successfully at 8mbps?
2014-04-23T01:58:55 < qyx_> they say that
2014-04-23T01:59:02 < hesperaux> =/
2014-04-23T01:59:11 < bvernoux> with asm and loop yes
2014-04-23T01:59:17 < bvernoux> depending on MCU speed/freq
2014-04-23T01:59:25 < qyx_> i was talking about ftdi
2014-04-23T01:59:27 < bvernoux> anyway native SPI is always better
2014-04-23T01:59:35 < qyx_> over usb
2014-04-23T01:59:35 < hesperaux> well i already have native SPI
2014-04-23T01:59:36 < bvernoux> ha ok ftdi
2014-04-23T01:59:50 < hesperaux> qyx_, you're tlaking about a usb->SPI converter essentially?
2014-04-23T02:00:06 < qyx_> yes but it is hardly optimal design
2014-04-23T02:00:07 < bvernoux> from host PC ?
2014-04-23T02:00:10 < hesperaux> indeed
2014-04-23T02:00:16 < qyx_> and requires weird drivers
2014-04-23T02:00:28 < hesperaux> ds2, i still don't know what you're asking me - "ultimate chip?"
2014-04-23T02:00:45 < hesperaux> it's a data logging application - wirelessly receives data from a system, then needs to upload it to a real life computer
2014-04-23T02:01:05 < hesperaux> at first, i was going to use raspi with SPI, but the library someone wrote is kind of slow
2014-04-23T02:01:10 < hesperaux> and i don't want to rewrite their C++ lib
2014-04-23T02:02:04 < qyx_> ok, stupid question
2014-04-23T02:02:13 < qyx_> aren't there 2.4G chips with usb?
2014-04-23T02:02:29 < hesperaux> this is 2.4GHz, and not exactly
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2014-04-23T02:02:55 < hesperaux> the nrf protocol is hardware implemented, with no MAC or IP layers required
2014-04-23T02:03:01 < hesperaux> and no usb dongle for these exists
2014-04-23T02:03:10 < qyx_> do you use some of their proprietary protocols?
2014-04-23T02:03:23 < hesperaux> wifi is too expensive and does not provide bandwidth improvements for embedded, in addition to needin an IP/MAC layer
2014-04-23T02:03:40 < qyx_> you can force that nrf to basic packet structure
2014-04-23T02:03:40 < hesperaux> qyx_, yeah, but it's a very simple protocol
2014-04-23T02:03:54 < hesperaux> the overhead doesn't seem (yet) to be the problem
2014-04-23T02:04:14 < qyx_> or emulate it with chips from other verdors if there are no legal problems
2014-04-23T02:04:30 < qyx_> but i wouldn't use any such thing
2014-04-23T02:04:43 < hesperaux> the problem right now is that the Primary RX device (the raspi) is not emptying the NRF's FIFO fast enough before it fills again, so 95% of packets are being discarded (not making that up)
2014-04-23T02:05:00 < hesperaux> the device ignores new packets when receiving if the buffer is full
2014-04-23T02:05:29 < hesperaux> I wrote a program that calculates the loss (based on packet sequence numbers) - Percent Loss:   : 95.6%
2014-04-23T02:05:33 < hesperaux> brb
2014-04-23T02:05:46 < qyx_> so either place stm32 between your nrf and usb
2014-04-23T02:05:55 < qyx_> or use radio transceiver with usb
2014-04-23T02:06:34 < hesperaux> that's what i'm thinking now
2014-04-23T02:06:36 < ds2> or use the nrf51 to buffer and spoon feed
2014-04-23T02:06:36 < qyx_> as the maximum air data rate is 2mbps for these nrf's if i remember correctly, there should be no problem
2014-04-23T02:06:47 < ds2> don't see a reason for the slew of chips
2014-04-23T02:06:54 < hesperaux> qyx_, yeah I think it should work, even with packet overhead
2014-04-23T02:07:07 < hesperaux> slew of chips? i don't get what you're saying
2014-04-23T02:07:13 < qyx_> there are only two
2014-04-23T02:07:16 < qyx_> stm32 + radio
2014-04-23T02:07:18 < ds2> the stm32 seems to be a waste
2014-04-23T02:07:31 < hesperaux> hardly, the stm32 is the one gathering data
2014-04-23T02:07:55 < qyx_> or if the modulation is 802.15.4 compatible, you can even use some stm32w
2014-04-23T02:08:22 < hesperaux> yeah that would be an upgraded version probably
2014-04-23T02:08:31 < hesperaux> cuz i'd have to rewrite all the wireless code then
2014-04-23T02:08:35 < zyp> isn't documentation of the stm32w radio still nonexistant?
2014-04-23T02:08:40 < hesperaux> the nrf is controlled over 8-10mbps spi
2014-04-23T02:08:54 < hesperaux> so the "library" for the nrf is a bunch of spi transfers
2014-04-23T02:08:56 < zyp> also, using stm32 for simple usb stuff is fine
2014-04-23T02:08:58 < hesperaux> brb
2014-04-23T02:09:17 < zyp> and f072 is going to be even more suitable for that
2014-04-23T02:09:17 < qyx_> http://www.ti.com/product/cc2520
2014-04-23T02:09:20 < qyx_> this also looks good
2014-04-23T02:09:35 < ds2> nrf51 == nrf radio + cortex-m0 in the same package
2014-04-23T02:09:36 < qyx_> if it is possible to move app logic to pc host side
2014-04-23T02:10:03 < qyx_> 00:56 < hesperaux> i'm thinking: "receive data via SPI from Nrf24l01, then upload via usb"
2014-04-23T02:10:08 < qyx_> nrf24l01
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2014-04-23T02:10:28 < qyx_> at least i assume we are talking about this one
2014-04-23T02:10:40 < ds2> that has no processor on there
2014-04-23T02:10:46 < ds2> the nrf51 has a processor AND the radio
2014-04-23T02:11:05 < zyp> and still no usb
2014-04-23T02:11:32 < ds2> usb is painful as is
2014-04-23T02:11:46 < zyp> bullshit, usb is nice and easy
2014-04-23T02:14:00 < ds2> are you talking sw only or hw only or both?
2014-04-23T02:14:20 < zyp> me?
2014-04-23T02:14:50 < ds2> yes
2014-04-23T02:15:19 < zyp> I was referring to the software part being easy, of course the hardware is even easier
2014-04-23T02:16:01 < ds2> I disagree... too many damn voltages floating around
2014-04-23T02:16:23 < ds2> unless you want to fix your processor at 3.3V
2014-04-23T02:16:26 < zyp> you're being irrelevant
2014-04-23T02:16:54 < ds2> I am in the midst of sorting out exactly that mess
2014-04-23T02:17:08 < ds2> USB is just plain painful
2014-04-23T02:17:43 < zyp> no, it's not
2014-04-23T02:18:11 < zyp> what you're dealing with is called interfacing incompatible IO voltages and that's a separate problem that you got yourself into
2014-04-23T02:19:13 < ds2> yes. that can be nicely avoided by avoiding USB
2014-04-23T02:19:49 < zyp> yeah, along with all other IO standards that's not compatible with whatever IO voltage you're running
2014-04-23T02:20:07 < ds2> yes
2014-04-23T02:20:15 < ds2> that's one way of saying it
2014-04-23T02:20:37 < hesperaux> ds2, nrf51 sounds nice - just don't have time to acquire one and mess with it (2.5 weeks to finish this)
2014-04-23T02:21:41 < hesperaux> btw, i would be running this system at 3.3V
2014-04-23T02:22:01 < hesperaux> what welse would I use? 1.8? 5? 2.6?
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2014-04-23T02:23:53 < hesperaux> oh, and yes it is the nrf24l01+
2014-04-23T02:24:53 < zyp> hesperaux, http://paste.jvnv.net/view/wDeCp <- here's some real quick usb code that I hacked up once to interface with a spi-connected nfc chip (TRF7960)
2014-04-23T02:25:22 < zyp> I'm sending commands and reading responses over usb, and the firmware handles command/response framing towards spi
2014-04-23T02:26:00 < zyp> so that's pretty much how easy it can be, if you're doing it easy
2014-04-23T02:26:19 < hesperaux> nice C++ library too :P
2014-04-23T02:26:27 < zyp> yes, I wrote that
2014-04-23T02:26:34 < qyx_> mhm, awesome idea came to my mind when you mentioned nrf24l01
2014-04-23T02:26:38 < zyp> I wrote it to be easy to use, because I'm lazy
2014-04-23T02:26:55 < qyx_> i have like 4 of these and they would suffice for testing
2014-04-23T02:27:06 < hesperaux> qyx_, heh i've got a handful of them too
2014-04-23T02:27:11 < hesperaux> zyp, thanks for sharing btw
2014-04-23T02:28:11 < zyp> library and examples are available if you're adventurous enough to want to try using it yourself
2014-04-23T02:28:31 < hesperaux> i would if it was C
2014-04-23T02:28:41 < hesperaux> i don't have C++ compiler or libs
2014-04-23T02:28:55 < zyp> which compiler?
2014-04-23T02:29:12 < hesperaux> i'm using the arm c compiler. i think it's gcc
2014-04-23T02:29:16 < hesperaux> and then the ST libs
2014-04-23T02:29:19 < zyp> huh?
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2014-04-23T02:30:24 < hesperaux> this one if i remember right: http://www.arm.com/products/tools/software-tools/ds-5/compiler.php
2014-04-23T02:30:27 < zyp> I'm not sure if you mean armcc or arm-gcc when you say «the arm c compiler», can you expand?
2014-04-23T02:30:29 < hesperaux> it can compile c++ code
2014-04-23T02:30:33 < zyp> ok, that's not gcc
2014-04-23T02:30:49 < hesperaux> it says gnu compiler right there
2014-04-23T02:30:50 < zyp> oh, wait, ok
2014-04-23T02:31:05 < hesperaux> but the problem my librarires are all in C (from ST.com)
2014-04-23T02:31:13 < zyp> I wrote before opening the link, I thought you were talking about the keil mdk
2014-04-23T02:31:15 < hesperaux> technically they are in CooCox - but they come from ST
2014-04-23T02:31:18 < hesperaux> ah, no
2014-04-23T02:31:20 < zyp> libraries doesn't matter
2014-04-23T02:31:21 < hesperaux> i'm a cheapskate :D
2014-04-23T02:31:40 < zyp> my usb stack is part of a full library suite, it's supposed to be all you need
2014-04-23T02:31:47 < hesperaux> hmm
2014-04-23T02:31:53 < hesperaux> does it build against the ST c libraries?
2014-04-23T02:31:57 < zyp> no
2014-04-23T02:32:23 < zyp> the only library part I'm currently depending on is stdint.h
2014-04-23T02:32:31 < hesperaux> hmm
2014-04-23T02:32:57 < zyp> it's meant to be completely self-contained apart from libc
2014-04-23T02:33:06 < hesperaux> what about the STM headers?
2014-04-23T02:33:14 < zyp> what about them?
2014-04-23T02:33:32 < hesperaux> do you use those? (for register locations and shit)
2014-04-23T02:33:42 < zyp> no, I did that myself too
2014-04-23T02:33:54 < hesperaux> and you're lazy you said? lol
2014-04-23T02:34:01 < zyp> yes
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2014-04-23T02:34:50 < zyp> lazy in the sense that I don't want to spend time on bullshit
2014-04-23T02:34:59 < Miek> reasonable progress on the nrf stuff this evening, it erases all the pages, writes the first word, then crashes somewhere :p
2014-04-23T02:35:14 < zyp> doing something right once is less work than coping with shitty libs everytime I want to do something
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2014-04-23T02:35:39 < hesperaux> zyp, but you must have experience/wisdom with respect to writing such a lib (doing it right once)
2014-04-23T02:35:44 < hesperaux> if i tried that, it would suck
2014-04-23T02:36:01 < hesperaux> Miek, pages? waht do you mean?
2014-04-23T02:36:54 < Miek> hesperaux: a bit out of context, we were talking about it earlier, i'm working on nrf51 support for the black magic probe
2014-04-23T02:37:07 < hesperaux> oh
2014-04-23T02:37:15 < zyp> hesperaux, I don't claim I have, but I like how it turned out
2014-04-23T02:37:40 < hesperaux> zyp, i see what you mean
2014-04-23T02:37:50  * hesperaux googles black magic probe
2014-04-23T02:37:58 < zyp> actually, the lib is a fork from my first stm32-based project
2014-04-23T02:38:29 < zyp> I realized I had lots of reusable code, so I forked it into a standalone library and added some polish
2014-04-23T02:38:54 < hesperaux> i should do that with this project
2014-04-23T02:40:48 < hesperaux> zyp, what kind of driver do you use to interface with the stm32 via usb?
2014-04-23T02:40:56 < zyp> libusb
2014-04-23T02:41:13 < hesperaux> and how long does that take to get acquainted with?
2014-04-23T02:41:32 < zyp> for that particular firmware I wrote this: http://paste.jvnv.net/view/1aKRn
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2014-04-23T02:41:53 < hesperaux> gah. python. alright alright
2014-04-23T02:42:07 < zyp> libusb is still libusb
2014-04-23T02:42:14 < zyp> I just prefer python because I'm lazy
2014-04-23T02:42:19 < hesperaux> granted
2014-04-23T02:42:35  * hesperaux yawns
2014-04-23T02:42:50 < hesperaux> i'm tired... i don't wanna do any more work lol
2014-04-23T02:43:07 < zyp> either way you get to issue control transfers through libusb which calls callbacks in the firmware
2014-04-23T02:43:32 < hesperaux> i need to learn this shit
2014-04-23T02:43:33 < hesperaux> looks fun
2014-04-23T02:43:43  * hesperaux wants to hook his bed up to usb for no reason
2014-04-23T02:44:04 < zyp> line 14 and 15 in the script are calling functions on lines 74 and 94 in the firmware
2014-04-23T02:44:34 < zyp> dispatched by the function on line 111 in the firmware
2014-04-23T02:46:10 < hesperaux> 	dev.ctrl_transfer(0x40, 0xf2, cmd, 0, data.decode('hex')) <--- what is 'cmd'?
2014-04-23T02:46:34 < dongs> http://www.newsminer.com/news/alaska_news/anchorage-airport-police-lose-track-of-explosive/article_e501e9ee-ca54-11e3-ba2f-001a4bcf6878.html
2014-04-23T02:46:55 < zyp> hesperaux, the value that goes into the wValue field of the request
2014-04-23T02:47:05 < hesperaux> cuz it looks like you have a tree structure of commands... "type"->requesttype->command
2014-04-23T02:47:52 < hesperaux> oh i see
2014-04-23T02:48:08 < hesperaux> you're actually sending spi commands from the usb host to the spi device through this
2014-04-23T02:48:17 < zyp> exactly
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2014-04-23T02:48:19 < hesperaux> that's nicely abstracted
2014-04-23T02:48:22 < hesperaux> and simple as hell
2014-04-23T02:48:34 < zyp> one command to output a command and one command to read back the result
2014-04-23T02:49:06 < hesperaux> neat
2014-04-23T02:49:32 < hesperaux> 260100 <--strange value for a command
2014-04-23T02:50:01 < qyx_> uh, maybe i could steal that part too
2014-04-23T02:50:27 < zyp> it's hexadecimal, three bytes
2014-04-23T02:50:40 < hesperaux> ah, ok
2014-04-23T02:50:52 < hesperaux> i should have known - it's right there
2014-04-23T02:53:45 < zyp> so anyway, usb is pretty easy when you know what you're doing, but I can't say how easy it'll be for you to get up to speed with it
2014-04-23T02:53:58 < hesperaux> k
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2014-04-23T02:54:09 < hesperaux> i'm gonna think about it - it might be faster to try and fix this guy's lib for the Pi
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2014-04-23T03:33:29 < dongs> http://linuxgizmos.com/sbc-mimics-raspberry-pi-has-faster-cpu-adds-sata/ haha
2014-04-23T03:33:39 < dongs> the worst thing about shittyberrypi is actually the form factor
2014-04-23T03:33:43 < dongs> wiht all idiot ports sticking out everywhere
2014-04-23T03:33:48 < dongs> leave it to chinks to clone that shit.
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2014-04-23T03:51:19 < emeb> but SATA!
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2014-04-23T03:56:43 < dongs> who cares
2014-04-23T03:57:01 < dongs> sata on a  system that barely has enough memory bandwidth to run lunix??
2014-04-23T03:57:12 < dongs> i guess if you dont mind getting 100k/sec from it then its ok!
2014-04-23T04:06:26 < Thorn> what is the minimum memory bandwidth required to run lunix
2014-04-23T04:06:40 < gxti> 2
2014-04-23T04:06:43 < Thorn> people run it on spartan-3 with sdr sdram
2014-04-23T04:06:46 < gxti> 2 bandwidths
2014-04-23T04:06:49 < Thorn> and that board has ddr3
2014-04-23T04:08:07 < gxti> works with 300kb/s: http://dmitry.gr/index.php?r=05.Projects&proj=07.%20Linux%20on%208bit
2014-04-23T04:08:16 < gxti> i'm surprised it even goes that fast
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2014-04-23T04:24:37 < Tectu_> I go to sleep now, cu guys
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2014-04-23T04:35:28 < qyx_> people even run linux on arm emulator on avr from sd card using bitbanged dram :S
2014-04-23T04:48:46 < Thorn> https://www.google.com/search?q=399999999999999-399999999999998
2014-04-23T04:58:20 < dongs> ok
2014-04-23T04:58:21 < dongs> zyp
2014-04-23T04:58:29 < dongs> gradconn is 30twd and 8week lt
2014-04-23T04:58:32 < dongs> so cenlink it is
2014-04-23T04:58:36 < dongs> ill get tw office to start on ti
2014-04-23T04:58:38 < dongs> irt
2014-04-23T04:58:39 < dongs> IT
2014-04-23T05:03:51 < dongs> annd, started.
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2014-04-23T05:58:42 < dongs> so im flying to best korea tomrow
2014-04-23T05:58:53 < dongs> like 1hr flight
2014-04-23T06:00:27 -!- amstan [~alex@aichallenge/admin/amstan] has quit [Quit: Konversation terminated!]
2014-04-23T06:09:02 < dongs> definite lack of blogging
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2014-04-23T06:16:19 < englishman> devo 7e is stm32f1 with spi flash mounted as drive and usbdfu, pretty nice
2014-04-23T06:21:09 < dongs> cool
2014-04-23T06:21:19 < dongs> steal innovative bootloader
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2014-04-23T06:24:05 < emeb_mac> dongs: best korea? wtf!
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2014-04-23T07:30:15 < Thorn> North Korea is unlikely to be ready to stage a nuclear test timed to coincide with U.S. President Barack Obama's visit to Asia, a respected think tank said on Wednesday
2014-04-23T07:30:28 < Thorn> dongs to the rescue
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2014-04-23T09:27:36 < dongs> uhoh
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2014-04-23T09:30:15 < jpa-> https://sourceware.org/bugzilla/show_bug.cgi?id=4403   joke functions in glibc   "it doesn't have to work, it's a joke!"
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2014-04-23T09:32:49 < Fleck> Just a small dwarf wishing you a happy April 1st!
2014-04-23T09:34:31 < Fleck> morning all!
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2014-04-23T11:07:03 < Thorn> looks like kicksat is now in orbit http://www.spaceflight101.com/dragon-spx-3-cargo-overview.html
2014-04-23T11:07:04 < zyp> dongs, ok, good
2014-04-23T11:09:00 < dongs> zyp: you might have to do TT in JPY or maybe USD to cover the connector stuff ahead of time.
2014-04-23T11:09:07 < dongs> i'll know by end of this week
2014-04-23T11:09:08 < zyp> sure
2014-04-23T11:09:15 < dongs> other crap can be shitpal as usual
2014-04-23T11:10:11 < zyp> by the way, how is TT fees over there? I talked to a US guy recently who didn't like TT due to expensive fees
2014-04-23T11:10:24 < zyp> and I don't pay fees at all over here
2014-04-23T11:11:08 < dongs> you probly dont pay eur>eur fees
2014-04-23T11:11:15 < dongs> its $25 to receive here if sender choses SHA
2014-04-23T11:11:24 < dongs> if you do OUR and pay (wahtever) its zeri
2014-04-23T11:11:25 < zyp> SHA?
2014-04-23T11:11:47 < zyp> OUR?
2014-04-23T11:12:56 < dongs> like who pays for bank fees type shit
2014-04-23T11:13:10 < dongs> http://www.globalmediapro.com/content/WhatAreBENSHAOURPaymentInstructions
2014-04-23T11:13:47 < zyp> oh
2014-04-23T11:14:58 < dongs> based on that text it sounds like eur probably have no bank to bank fees anyway
2014-04-23T11:15:03 < dongs> inside eu
2014-04-23T11:15:13 < zyp> well, norway are using NOK, not EUR
2014-04-23T11:15:50 < zyp> but my bank is a «no fees on anything» thing, including international wire transfers
2014-04-23T11:16:26 < dongs> well if they dont pass the charges to receviver, thats fine :)
2014-04-23T11:16:45 < dongs> my bank costs me $80 a month to be able to use it over hte internet from 9am to 8pm
2014-04-23T11:16:51 < dongs> and its "closed" on weekends
2014-04-23T11:16:54 < dongs> (internet banking)
2014-04-23T11:17:47 < zyp> my bank is a pure internet bank and has no branch offices at all
2014-04-23T11:17:51 < dongs> anyway you'd be sending to tw office or to jp branch , nomt directly to my shit either way. so i think as long as you do 'Our' for charges it should be fine
2014-04-23T11:18:01 < dongs> i dont know details it so it doesnt matter anyway.
2014-04-23T11:18:15 < madist> japan is weird. doctors don't work on the weekend in japan right ?
2014-04-23T11:18:45 < dongs> nobody works in japan
2014-04-23T11:18:59 < zyp> it doesn't look like I even get to choose anything like that, but nobody I've wired money to before have complained
2014-04-23T11:19:11 < dongs> hokay
2014-04-23T11:19:16 < dongs> then theyp robably got it figured out.
2014-04-23T11:21:27 < zyp> ah, it says they always do «shr» for EUR and «our» for all other currencies
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2014-04-23T11:23:19 < zyp> looks like tw is not in the list of possible destinations though
2014-04-23T11:31:11 < dongs> is JP?
2014-04-23T11:31:15 < zyp> yes
2014-04-23T11:31:19 < dongs> ok, thats fine then
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2014-04-23T11:34:30 < dongs> I heard euro has some direct deposit shit, stuff from paypal can be in your bank in like 5 minutes
2014-04-23T11:35:10 < zyp> dunno, it's usually next business day for me
2014-04-23T11:35:40 < dongs> i think might be UK specific  thats where from i heard anyway.
2014-04-23T11:36:22 < zyp> possibly, norwegian banks still only process transfers between banks during normal business times
2014-04-23T11:36:50 < dongs> better htan jap banks
2014-04-23T11:36:53 -!- bvsh [~bvsh@unaffiliated/bvsh] has quit [Ping timeout: 255 seconds]
2014-04-23T11:36:59 < dongs> international TT cutoff is liek 10am
2014-04-23T11:37:04 < dongs> or else it goes next day
2014-04-23T11:37:10 < dongs> and you cant send between jup banks after 3pm
2014-04-23T11:37:12 < dongs> fucking idiotic shit
2014-04-23T11:37:23 < dongs> oh
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2014-04-23T11:37:29 < dongs> and i went to exchagne liek $10k usd today to bank
2014-04-23T11:37:32 < dongs> into JPY
2014-04-23T11:37:35 < dongs> no ID, nothing needed
2014-04-23T11:37:36 < dongs> gave cash
2014-04-23T11:37:38 < dongs> received jpy
2014-04-23T11:37:42 < dongs> (also in  cash)
2014-04-23T11:37:52 < zyp> why would you need ID for that?
2014-04-23T11:37:55 < dongs> ...
2014-04-23T11:38:03 < dongs> in  america you do
2014-04-23T11:38:13 < PaulFertser> in russia too
2014-04-23T11:38:15 < dongs> that'd be money laundering dude.
2014-04-23T11:38:29 < dongs> i mean, you could be getting cash from israel and turning it into jpy and then doing bad things like supporting syria
2014-04-23T11:38:43 < zyp> ok, dunno, I've never exchanged that much at once
2014-04-23T11:39:06 < dongs> amount doesnt matter... in u.s. bank leaves a record of conversion etc..
2014-04-23T11:39:13 < dongs> here too but tehre was nothing perosnally id'able...
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2014-04-23T11:42:10 < dongs> no wonder kids in jp can steal millions of yenz just by picking up phone and asking old people to transfer stuff :p
2014-04-23T11:42:23 < dongs> and then they just show up with a random made up name and take that cahs out..
2014-04-23T11:42:51 < zyp> hmm, I can't even remember last time I exchanged money
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2014-04-23T11:43:29 < zyp> usually when I'm travelling I just bring my card and use that abroad
2014-04-23T11:44:21 < zyp> because there's no fees for using that either, unlike exchange
2014-04-23T11:45:16 < dongs> well this was paypal usd so turning it into real money was kinda useful
2014-04-23T11:45:26 < zyp> true
2014-04-23T11:45:37 < dongs> also while i was in AK i signed up for some paypal payment shit, apparently a few stores now accept that
2014-04-23T11:45:47 < dongs> so on my next visit it'll be nice
2014-04-23T11:46:04 < zyp> can't you get a paypal visa or some shit like that?
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2014-04-23T11:47:04 < dongs> not with jp paypal and my fake american one needs SSN and bank account verification
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2014-04-23T11:47:42 < dongs> if jp paypal could do visa debit I'd be all over it
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2014-04-23T11:51:33 < zyp> same here
2014-04-23T11:54:29 < dongs> speaking of fail
2014-04-23T11:54:34 < dongs> how are those boards
2014-04-23T11:54:41 < dongs> I just got like 300pcbs assembled with same USB connector
2014-04-23T11:54:44 < dongs> and zero issues
2014-04-23T11:54:47 < dongs> not a single lifted one
2014-04-23T11:54:53 < dongs> i wonder whats different on yours
2014-04-23T11:57:48 < zyp> there weren't a problem before, so I dunno if they fucked up on the pick&place setup this time
2014-04-23T12:04:59 < dongs> ya unsure
2014-04-23T12:05:01 < dongs> assholes.
2014-04-23T12:05:59 < dongs> theyre redoing wenever youree ready
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2014-04-23T14:24:46 < nowords> anyone have any rough example figures for stm32 current consumption during sleep/idle?
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2014-04-23T14:26:42 < dongs> get a -discover, and use the curremt measuring jumper
2014-04-23T14:29:03 < nowords> i'll just assume uA
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2014-04-23T14:33:37 < karlp> or, you know, read the datasheet if you want rough ideas rather than measuring your own application
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2014-04-23T14:35:14 < jpa-> one can get pretty accurate results from the datasheet values
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2014-04-23T14:41:42 < dongs> YeP
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2014-04-23T15:43:58 < dongs> hm gayvidia never replied me about drill/dimensions file for tk1
2014-04-23T15:44:00 < dongs> fucking kikes
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2014-04-23T15:53:51 < bighead123> Hello. trying to get simple led blink with ChibiOS and STM32F103V8T6
2014-04-23T15:53:54 < bighead123> #include "ch.h"
2014-04-23T15:53:54 < bighead123> #include "hal.h"
2014-04-23T15:53:54 < bighead123> int main(void)
2014-04-23T15:53:54 < bighead123> {
2014-04-23T15:53:54 < bighead123>   halInit();
2014-04-23T15:53:54 < bighead123>   chSysInit();
2014-04-23T15:53:54 < bighead123>   palSetPadMode(GPIOC, 12, PAL_MODE_OUTPUT_PUSHPULL);
2014-04-23T15:53:55 < bighead123>   
2014-04-23T15:53:55 < bighead123>   while (TRUE)
2014-04-23T15:53:56 < bighead123>   {
2014-04-23T15:53:56 < bighead123>     palClearPad(GPIOC, 12);
2014-04-23T15:53:57 < bighead123>     chThdSleepMilliseconds(500);
2014-04-23T15:53:57 < bighead123>     palSetPad(GPIOC, 12);
2014-04-23T15:53:58 < bighead123>     chThdSleepMilliseconds(500);
2014-04-23T15:55:03 < effractur> did you enable GPIO subset and the GPIOC?
2014-04-23T15:58:28 -!- bvsh [~bvsh@unaffiliated/bvsh] has quit [Ping timeout: 252 seconds]
2014-04-23T15:58:54 < bighead123> effractur: https://www.dropbox.com/s/py9i7rbrerol5xd/main.c
2014-04-23T15:59:06 < bighead123> just yet uploaded in dropbox
2014-04-23T15:59:15 < bighead123> what is wrong?
2014-04-23T15:59:48 < bighead123> mcu just does nothing. Flashing with "ST Visual Programmer" works fine
2014-04-23T16:00:23 < effractur> and can you also provide the chibios configs
2014-04-23T16:00:25 < bighead123> after programming I've connected NRST to 3V and BOOT0/BOOT1 to gnd
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2014-04-23T16:01:16 < trepidaciousMBR> bighead123: Do you have gdb set up? Can be helpful to check for port_halts
2014-04-23T16:02:10 < bighead123> effractur: https://www.dropbox.com/s/b8qaptd3oc0gsvn/chconf.h Using original ARMCM3-STM32F103, so it must be correct
2014-04-23T16:02:47 < effractur> and your hal config
2014-04-23T16:03:11 < bighead123> trepidaciousMBR: no, never used that
2014-04-23T16:04:01 < bighead123> effractur: it's original too https://www.dropbox.com/s/z3c7qrftc6gg8kz/halconf.h
2014-04-23T16:05:04 < trepidaciousMBR> bighead123: When you start doign more advanced stuff it's very easy to get a port_halt due to using the HAL incorrectly, it's handy to have debugging. Probably your error isn't that though, since it's just GPIO :)
2014-04-23T16:05:11 < effractur> ans mcuconf.h
2014-04-23T16:06:19 < bighead123> effractur: https://www.dropbox.com/s/3asc1nyvpmcl7lb/mcuconf.h
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2014-04-23T16:07:12 < effractur> bighead123: and your HSI/HSE stuff is correct
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2014-04-23T16:07:34 < bighead123> effractur: no external oscillator connected
2014-04-23T16:07:51 < bighead123> effractur:OMG you are right!
2014-04-23T16:07:58 < bighead123> :)
2014-04-23T16:08:40 < bighead123> effractur: this files are for Olimex STM32-P103 board
2014-04-23T16:08:59 < bighead123> so I need to modify for internal oscillator, right?
2014-04-23T16:09:32 < bighead123> I'm using just MCU with TQFP100 adapter, with no board
2014-04-23T16:09:49 < effractur> yes
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2014-04-23T16:10:36 < effractur> just HSE_ENABLED FALSE
2014-04-23T16:11:33 < bighead123> effractur: where it is?
2014-04-23T16:11:40 < effractur> mcuconf.h
2014-04-23T16:12:12 < effractur> maby you also need to change some more paramters
2014-04-23T16:13:17 < effractur> also STM32_PLLSRC_HSE needs to be STM32_PLLSRC_HSI
2014-04-23T16:13:21 < effractur> read
2014-04-23T16:13:22 < effractur> http://chibios.sourceforge.net/docs/hal_stm32f1xx_rm/hal__lld__f103_8h_source.html
2014-04-23T16:13:25 < effractur> for all the clock config
2014-04-23T16:13:28 < effractur> options
2014-04-23T16:15:34 < trepidaciousMBR> bighead123: Actually maybe debug might have helped in this case, because you can see that the MCU is stuck waiting for the HSE, I got a similar thing waiting for an ethernet PHY clock when the PHY was broken :)
2014-04-23T16:20:07 < bighead123> still no result :(
2014-04-23T16:20:34 < effractur> you need to swap some more around
2014-04-23T16:22:01 < bighead123> effractur: I'll make led blink without ChibiOS at first to make sure that everything is connected correctly.
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2014-04-23T16:22:20 < effractur> #define STM32_PLLSRC                        STM32_PLLSRC_HSE
2014-04-23T16:22:23 < effractur> is also wrong
2014-04-23T16:23:09 < bighead123> effractur: changed to STM32_PLLSRC_HSI still nothing
2014-04-23T16:24:27 < effractur> swap #define STM32_SW                            STM32_SW_PLL
2014-04-23T16:24:29 < effractur> to HSI
2014-04-23T16:24:34 < effractur> and disable usb
2014-04-23T16:26:36 < bighead123> i.e. "HSI" instead of "STM32_SW_PLL" ?
2014-04-23T16:27:03 < bighead123> set #define STM32_USB_CLOCK_REQUIRED            FALSE
2014-04-23T16:27:22 < effractur> y
2014-04-23T16:27:42 < dongs>  < bighead123> I'm using just MCU with TQFP100 adapter, with no board
2014-04-23T16:27:43 < dongs> socket?
2014-04-23T16:27:49 < dongs> or like tqfp solder shit
2014-04-23T16:28:06 < bighead123> "shit" exactly
2014-04-23T16:28:13 < effractur> and you also need to set your stuff correct
2014-04-23T16:28:18 < effractur> the deviders
2014-04-23T16:28:33 < bighead123> effractur: "deviders" where?
2014-04-23T16:28:58 < effractur> deviders
2014-04-23T16:29:23 < effractur> dono
2014-04-23T16:29:30 < bighead123> or "dividers" ?
2014-04-23T16:29:59 < bighead123> I don't know so much. tell me please
2014-04-23T16:30:01 < bighead123> )
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2014-04-23T16:30:17 < effractur> well i also never did this stuff
2014-04-23T16:31:15 < bighead123> now will try, maybe works
2014-04-23T16:32:48 < bighead123> still not works
2014-04-23T16:33:56 < bighead123> effractur: I've looked through google for a simpler code without ChibiOS, but all of them are actually harder than simpler
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2014-04-23T16:38:14 < zyp> heh
2014-04-23T16:39:50 < dongs> so uh
2014-04-23T16:39:57 < dongs> it looks like my rfid board project is  actually still alive
2014-04-23T16:40:01 < dongs> but requirements got much easier
2014-04-23T16:40:09 < dongs> blocks are on fixed x/y grid
2014-04-23T16:40:16 < dongs> so i dont need to know their coordinates
2014-04-23T16:40:18 < dongs> just which block it is
2014-04-23T16:40:26 < dongs> wat 2 use on the block, thats passive and cheap
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2014-04-23T16:52:10 < dongs> http://www.rfidjournal.com/articles/view?337 this would be cool
2014-04-23T16:52:14 < dongs> but it appears to be dead
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2014-04-23T17:15:54 < Laurenceb> rofl
2014-04-23T17:15:56 < Laurenceb> flight 370 never existed and CIA Crisis actors did it all
2014-04-23T17:16:02 < Laurenceb> http://www.jimstonefreelance.com/phillipwood.html
2014-04-23T17:25:02 < madist> I'm not surprised. From the very beginning I knew the CIA must have a hand in the disappearance of MH370.
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2014-04-23T17:28:01 < Laurenceb> haha wtf
2014-04-23T17:28:02 < Laurenceb> http://www.jimstonefreelance.com/camera.jpg
2014-04-23T17:28:28 < dongs> haha
2014-04-23T17:30:24 < Laurenceb> http://www.jimstonefreelance.com/collagesm.jpg
2014-04-23T17:49:45 < synic> so... none of the stm32 chips have eeprom?  You just write to the program flash instead?
2014-04-23T17:50:12 < karlp> L series does
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2014-04-23T17:50:58 < synic> huh, so it does
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2014-04-23T18:07:15 < Laurenceb> http://asset-7.soup.io/asset/7122/8122_7e02.jpeg
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2014-04-23T18:15:19 < Steffanx> zyp, i still had this code you posted yesterday in a tab. Why it has this fancy clock phase change after a read?
2014-04-23T18:15:45 < zyp> oh, right, that was for that dumb TI chip
2014-04-23T18:15:53 < zyp> that requires opposite phase for reads and writes
2014-04-23T18:16:00 < Steffanx> yay...
2014-04-23T18:16:01 < karlp> oh yeah, I saw that too, was going to ask as well.
2014-04-23T18:17:35 < zyp> that was when I was having fun battling with this: http://bin.jvnv.net/f/oXIKG.png
2014-04-23T18:20:15 < Steffanx> Your usb code should work on a L1 as well not?
2014-04-23T18:20:27 < zyp> sure
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2014-04-23T18:26:06 < zyp> what?
2014-04-23T18:26:14 < zyp> you mean 168?
2014-04-23T18:26:41 < zyp> oh, f3
2014-04-23T18:28:15 < zyp> already found it
2014-04-23T18:28:25 < zyp> what do you mean by not having any prescaler setting?
2014-04-23T18:28:52 < zyp> the default is division by 1, isn't it?
2014-04-23T18:28:57 < zyp> i.e. full speed
2014-04-23T18:29:06 < zyp> exactly, that's the 1 they are talking about.
2014-04-23T18:30:08 < zyp> you should read it as «when AHB and APB2 prescalers are undivided, the timer frequency will be 144 MHz»
2014-04-23T18:30:42 < zyp> i.e. twice of what the APB2 frequency is
2014-04-23T18:32:35 < zyp> no, it should be set to 72 MHz
2014-04-23T18:32:39 < zyp> and then that would be doubled
2014-04-23T18:32:54 < zyp> also, you're overthinking it
2014-04-23T18:33:17 < zyp> if you already have the system running at full speed defaults, the timers will already be 144 MHz without you doing anything more
2014-04-23T18:34:52 < zyp> ah, my bad
2014-04-23T18:35:02 < zyp> RCC_CFGR3 has an option to select that
2014-04-23T18:36:28 < zyp> I haven't dicked around with that on F3 yet
2014-04-23T18:36:42 < zyp> I just remember I didn't have to do anything special to get 168 MHz on F4
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2014-04-23T18:37:57 < zyp> not much that you can't do already?
2014-04-23T18:39:30 < gxti> wut
2014-04-23T18:43:06 < __rob2> can anyone tell me can I use the stlink v2 for other chips then STM ?
2014-04-23T18:43:40 < __rob2> this Silicon labs chip has SWDIO and SWCLK, but is the actual protocol the same for talking to them ?
2014-04-23T18:43:49 < zyp> swd is swd
2014-04-23T18:44:27 < __rob2> so If I wire it up, ST link Utility should be able to connect and talk to the chip ?
2014-04-23T18:44:36 < zyp> no
2014-04-23T18:45:03 < __rob2> but OpenOCD might, via the stlink ?
2014-04-23T18:45:07 < zyp> yes
2014-04-23T18:46:10 < gxti> '217 picosecond' is pretty different from 'picosecond' beaky
2014-04-23T18:46:43 < gxti> at least i think that's what he said.
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2014-04-23T19:37:07 < Laurenceb> wut
2014-04-23T19:37:11 < Laurenceb> where is this ?
2014-04-23T19:45:27 < Laurenceb> of what? the datasheet
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2014-04-23T20:56:40 < emeb> having fun debugging the STM32cubeF4 demo application for USB Host MSC...
2014-04-23T20:56:55 < emeb> compiled out of the box on MDK it works fine
2014-04-23T20:57:42 < emeb> compiled on gcc it doesn't seem to mount the flash drive, but it does do _something_
2014-04-23T21:03:04 < zyp> heh
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2014-04-23T22:26:40 < englishman> dongs: ulink2 arrived
2014-04-23T22:26:51 < englishman> keil is doing this weird thing where it steps thru assembler and not the code
2014-04-23T22:26:58 < englishman> know how to change it? i think it happened to me once before
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2014-04-23T23:01:42 < Steffanx> go try this new tool
2014-04-23T23:01:58 < Steffanx> stm32cube
2014-04-23T23:02:38 < Steffanx> It's the closest thing to drand and drop out there.. i think
2014-04-23T23:03:32 < Steffanx> *drag
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2014-04-23T23:10:20 < Abhishek_> __rob2: Indeed.
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2014-04-23T23:17:31 < Tectu_> Steffanx, it embedds the MicroXplorer
2014-04-23T23:21:35 < effractur> Steffanx: did you get it running on osx?
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2014-04-23T23:27:22 < Steffanx> effractur never tried
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2014-04-23T23:27:27 < effractur> mmk
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--- Day changed Thu Apr 24 2014
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2014-04-24T00:09:45 < Laurenceb_> http://i.imgur.com/MnEavlE.gif
2014-04-24T00:10:13 < superbia> brazzers..
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2014-04-24T02:18:38 < dongs> sup dongs
2014-04-24T02:22:06 < Laurenceb_> checking out SFWprongifs on reddit
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2014-04-24T02:36:15 < dongs> fuck reddit
2014-04-24T02:36:17 < dongs> unfunny shit
2014-04-24T02:36:28 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 252 seconds]
2014-04-24T02:41:04 < dongs> wacom tablets are not multitouch right?
2014-04-24T02:41:40 < dongs> hm looks like digitizer is connected b yi2c
2014-04-24T02:41:43 < dongs> so it cant be that fast
2014-04-24T02:42:33 < Tectu_> hi dongs <3
2014-04-24T02:42:40 < dongs> sup my kawaii not-friend
2014-04-24T02:43:18 < englishman> dongs
2014-04-24T02:43:38 < dongs> sup.
2014-04-24T02:43:46 < englishman> <englishman> keil is doing this weird thing where it steps thru assembler and not the code
2014-04-24T02:43:46 < englishman> <englishman> know how to change it? i think it happened to me once before
2014-04-24T02:43:48 < englishman> copypasta
2014-04-24T02:43:50 < dongs> yea i saw that
2014-04-24T02:43:51 < englishman> seen that before?
2014-04-24T02:43:56 < dongs> figured ytou'd figured it out by now
2014-04-24T02:44:00 < englishman> nah
2014-04-24T02:44:05 < dongs> it works4me tho
2014-04-24T02:44:22 < englishman> yeah but is there a keil debugger setting to step thru assembler vs code
2014-04-24T02:44:33 < englishman> stlink did that to me once
2014-04-24T02:44:43 < englishman> it went back on its own
2014-04-24T02:45:37 < dongs> hm
2014-04-24T02:45:56 < dongs> do you mean like,,
2014-04-24T02:46:00 < dongs> 'run to main()'?
2014-04-24T02:46:12 < dongs> so you dont steap through the reset verctor?
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2014-04-24T02:46:21 < englishman> lemme hook this shit back up
2014-04-24T02:46:22 < dongs> thats the only thing I can think of
2014-04-24T02:47:38 < madist> doesn't it do that if it can't find the debug info ?
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2014-04-24T02:52:08 < englishman> run to main makes no difference
2014-04-24T02:55:44 < englishman> hmh its doing same thing with stdink
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2014-04-24T02:59:26 < englishman> oh my god.
2014-04-24T02:59:30 < englishman> i am amazingly retarded.
2014-04-24T03:00:48 < englishman> wow.
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2014-04-24T03:01:00 < englishman> yeah so pebkac
2014-04-24T03:01:57 < englishman> i forgot the boot0 jumper was on
2014-04-24T03:05:24 < dongs> loldongs
2014-04-24T03:05:32 < dongs> were you steppingthrough ROM bootloadurrr?
2014-04-24T03:05:45 < dongs> I heard that was opensorees
2014-04-24T03:05:49 < dongs> er closed
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2014-04-24T03:06:56 < englishman> stepping thru in assembler ya
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2014-04-24T09:29:47 < timemob> you are logged in as dongs
2014-04-24T09:30:17 < emeb_mac> dongmob
2014-04-24T09:30:22 < timemob> sup
2014-04-24T09:30:33 < emeb_mac> not a lot
2014-04-24T09:30:40 < timemob> going to fly drones over best Korea
2014-04-24T09:30:52 < emeb_mac> latest project -> https://dl.dropboxusercontent.com/u/17017364/2014-04-23%2022.26.45.jpg
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2014-04-24T09:30:59 < emeb_mac> synthesizer rack
2014-04-24T09:31:15 < emeb_mac> lots of STM32 in that
2014-04-24T09:31:42 < timemob> analog troll synth?
2014-04-24T09:32:27 < emeb_mac> ya
2014-04-24T09:38:41 < Fleck> :D emeb_mac upload some sound samples! :)
2014-04-24T09:38:58 < Fleck> aand share :p
2014-04-24T09:39:27 < emeb_mac> eh - that's like, work.
2014-04-24T09:39:47 < GargantuaSauce> i too wish to hear this
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2014-04-24T10:12:30 < Alexer> zyp, sorry for bothering you, but you're the only person I can think of who has played around with the USB OTG peripheral without using the ST library
2014-04-24T10:13:42 < Alexer> have you by any chance tried to plug yours into an USB 3.0 port? and if so, did it work alright without any changes?
2014-04-24T10:14:27 < jpa-> i have tried with the NuttX stack and didn't see any trouble
2014-04-24T10:15:23 < jpa-> (and i haven't seen anything special in NuttX stack to deal with USB 3, even though i've seen most of the stack)
2014-04-24T10:15:32 < zyp> Alexer, well
2014-04-24T10:16:16 < Alexer> one forum thread I bumped into said that earlier versions of the ST library had some problems with USB3, but didn't elaborate, and said it's fixed in the latest version
2014-04-24T10:16:34 < zyp> usb3 ports are usb2 and usb3 in one, the latter being only on the differential lanes, so you're really just hooking up to a usb2 port anyway
2014-04-24T10:17:56 < Alexer> oh, damn, how have I managed to miss that :P
2014-04-24T10:18:07 < zyp> but I remember someone I talked to once fucked up something that made it behave weird on some ports
2014-04-24T10:18:27 < Alexer> hrm, weird. my usb lib works on the usb2 ports on my laptop but not on the usb3 ones :P
2014-04-24T10:18:45 < jpa-> with earlier linux kernels, i had some USB3 trouble on my laptop
2014-04-24T10:18:46  * Alexer is expecting more painstakingly long debugging sessions
2014-04-24T10:19:06 < zyp> I believe they set the wrong version in the bcdUSB field in the device, which resulted in the host believing they were usb3 devices enumerated in a lower speed mode, resulting in sending them unexpected control requests
2014-04-24T10:19:18 < Alexer> ah, maybe I should try updating the linux first, then
2014-04-24T10:19:24 < zyp> so check that you have the right bcdUSB set
2014-04-24T10:19:40 < jpa-> for example pickit 2 would need replugging after every few operations and finally the linux stopped accepting any usb devices :)
2014-04-24T10:27:48 < Alexer> yeah, it's 2.0
2014-04-24T10:28:23 < Alexer> well, I'll play with it more after updating the linux :)
2014-04-24T10:29:28 < Alexer> and thanks! :)
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2014-04-24T10:32:31 < zyp> Alexer, 2.0 as in 0x0020 or 0x0200 ? :p
2014-04-24T10:32:41 < zyp> or even 0x2000
2014-04-24T10:33:03 < zyp> I think the latter was what people got wrong
2014-04-24T10:34:01 < jpa-> 0x0020 vs. 0x2000 is a nasty mistake to make :P
2014-04-24T10:35:50 < Alexer> ah, 2.00 as in I checked it with "lsusb -v" :-) (it's "\x00\x02")
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2014-04-24T10:46:58 < zyp> good
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2014-04-24T12:39:20 < Tectu_> attn dongs
2014-04-24T12:39:20 < Tectu_> https://www.kickstarter.com/projects/1030661323/printoo-paper-thin-flexible-arduinotm-compatible-m
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2014-04-24T12:57:08 < tkd> hi, could anyone advise me re: driving a timer CCR with DMA? I'm trying to send a PWM timer to gpio and trigger a DMA write on each counter overflow that would change the duty cycle, but so far i get no output at all.
2014-04-24T12:57:28 < jpa-> so get the pwm timer working first
2014-04-24T12:57:31 < jpa-> and work on DMA later
2014-04-24T12:57:34 < tkd> oh i did
2014-04-24T12:57:54 < jpa-> so the timer runs now ok, but value does not change?
2014-04-24T12:58:22 < tkd> yes - i got it working on timer + interrupts, now i want to get rid of the interrupts to free some cpu cycles
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2014-04-24T13:00:03 < jpa-> things to check: TMR->DIER that DMA request is enabled; that the channel you are using for DMA is actually one that gets the requests from that timer; check if the DMA CNDTR is decreasing; try to set DMA to free-running to see if it is a trouble with DMA trigger or something else
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2014-04-24T13:02:13 < tkd> hm, how do you mean free-running?
2014-04-24T13:03:25 < jpa-> MEM2MEM
2014-04-24T13:03:52 < tkd> ah, ok
2014-04-24T13:04:08 < jpa-> will cause it to copy the values as quick as possible.. but atleast the values should change then
2014-04-24T13:05:17 < tkd> DIER is independent of NVIC, right? no need to turn NVIC on if I only want the timer to trigger DMA?
2014-04-24T13:06:23 < jpa-> correct
2014-04-24T13:06:57 < qyx_> hm, can mem2mem be triggered by timer?
2014-04-24T13:07:29 < qyx_> ah
2014-04-24T13:07:30 < qyx_> nevermind
2014-04-24T13:10:49 < tkd> jpa-: i'll try debugging along the lines you advised when i'm off from work later today, thanks a lot.
2014-04-24T13:11:50 < jpa-> np
2014-04-24T13:13:40 < tkd> oh, i see i might be confused on some functions in libopencm3 - there's a timer_set_dma_on_update_event, which sets CCDS on TIMx_CR2, and a separate timer_enable_irq, which modifies bits in DIER. i probably need both?
2014-04-24T13:17:26 < jpa-> i would suggest just setting registers directly when the wrapper functions are confusing
2014-04-24T13:18:36 < jpa-> if something says "irq" but means "dma", it will only hurt code readability compared to direct   TIM8_DIER |= TIM_DIER_CC1DE;
2014-04-24T13:19:21 < tkd> yeah, will probably end up doing just that. i'm obviously not at all a µC guy, so i tend to overestimate the amount of work these setup functions do:)
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2014-04-24T14:00:12 < bighead123> Hello,
2014-04-24T14:00:24 < jpa-> hello
2014-04-24T14:00:59 < bighead123> Flashing STM32F103V8T6 from STVP works fine with disconnected NRST (when NRST is not connected to anywhere at all)
2014-04-24T14:01:32 < bighead123> How this could be?
2014-04-24T14:01:43 < bighead123> seems like VBAT and NRST are the same?
2014-04-24T14:01:59 < jpa-> uh?
2014-04-24T14:02:05 < jpa-> NRST is not required for programming
2014-04-24T14:02:21 < jpa-> it just helps if the code does silly stuff
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2014-04-24T14:03:25 < bighead123> but MCU does nothing, except flashing, I don't get even LED Blink at least, after a week of working in overall
2014-04-24T14:04:02 < Thorn> vbat is certainly not the same thing as nrst
2014-04-24T14:04:10 < jpa-> is this a custom board?
2014-04-24T14:04:37 < bighead123> no board, just MCU on TQFP 100 adapter
2014-04-24T14:04:48 < jpa-> oh yeah, you were that guy
2014-04-24T14:04:55 < jpa-> still no decoupling caps?
2014-04-24T14:05:32 < bighead123> VBAT+all of VDDs+VDDA I have connected to 3V, all of VSSs+BOOT0+BOOT1+VSSA to GND
2014-04-24T14:05:38 < bighead123> NRST to 3V
2014-04-24T14:06:15 < bighead123> yes, I have no caps, but power is pretty stable and wires are short, I must get at least led blink I think
2014-04-24T14:06:25 < bighead123> something else I need to connect?
2014-04-24T14:06:34 < bighead123> or maybe disconnect?
2014-04-24T14:07:36 < jpa-> verify your code on a proper board first, or use a known-good demo; then go step-by-step with a debugger
2014-04-24T14:07:42 < Thorn> connect nrst to gnd momentarily
2014-04-24T14:09:52 < bighead123> Thorn: It must be to GND to work?
2014-04-24T14:10:20 < bighead123> however it still not works
2014-04-24T14:10:24 < jpa-> direct connection of NRST to 3V is a bad idea anyway, use a pull-up resistor (it has internal open-drain reset circuitry)
2014-04-24T14:17:27 < bighead123> jpa-: do you have any LED Blink GCC example for STM32F103V8T6? found some by google but not sure that any of them is useful.
2014-04-24T14:17:49 < jpa-> the basic blinky/blinky2 is a pretty sure bet
2014-04-24T14:18:03 < bighead123> where is this?
2014-04-24T14:18:04 < jpa-> assuming you compile it correctly
2014-04-24T14:18:15 < bighead123> Where I can find it?
2014-04-24T14:18:17 < jpa-> check on discovery board or something, simple led blinking is portable enough
2014-04-24T14:26:52 < bighead123> jpa-: in "STM32VLDISCOVERY firmware package (AN3268)" there is no MAKEFILE, what to do?
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2014-04-24T14:29:06 < bighead123> also, all of projects work with stm32f10x.h , STM32F103V8T6 (for example) has no dedictated .h file? (something like stm32f103v8t6.h)
2014-04-24T14:30:04 < SlaveToTheSauce> that header defines structs for the peripherals' control registers and so on, which are the same for hte whole line
2014-04-24T14:30:50 < SlaveToTheSauce> the differences between different micros in the same lines is just the package and quantity of ram/flash....the former just means you have less GPIOs to deal with and needs to be considered at the application level
2014-04-24T14:30:51 < bighead123> SlaveToTheSauce: as I know it also defines memory address ranges, which differs from device to devide
2014-04-24T14:31:05 < SlaveToTheSauce> nope, those are only relevant in the linking stage
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2014-04-24T14:33:21 < timemob> checking in from 20km from best Korea border
2014-04-24T14:33:57 < SlaveToTheSauce> you in seoul?
2014-04-24T14:35:09 < timemob> ya
2014-04-24T14:36:17 < Laurenceb> i was hoping for the north side
2014-04-24T14:36:35 < Laurenceb> as minister of propaganda
2014-04-24T14:36:42 < timemob> going there next
2014-04-24T14:37:02 < Laurenceb> dont take the ferry
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2014-04-24T14:37:56 < timemob> lo
2014-04-24T14:38:21 < jpa-> bighead123: there are #defines to control it
2014-04-24T14:38:34 < jpa-> bighead123: but IMO you are doing so many things wrong that it is not a surprise that it doesn't work
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2014-04-24T16:23:55 < Tectu_> wtf is wrong with the world... every fucking day at least three new arudino boards show up on kickstarter?
2014-04-24T16:24:40 < madist> Arduino is the future.
2014-04-24T16:24:48 < madist> STM32 is dead.
2014-04-24T16:25:25 < Miek> just put an arduino-compatible sticker on your STM32
2014-04-24T16:25:45 < englishman> ^^^
2014-04-24T16:26:04 < englishman> basically, nucleo?
2014-04-24T16:27:43 < Tectu_> who the fuck are you guys?
2014-04-24T16:27:49 < Tectu_> well, I haven't been here for a few weeks I guess
2014-04-24T16:28:18 < superbia> beaky brought them +_*
2014-04-24T16:28:26 < Tectu_> oh dear
2014-04-24T16:28:31 < Tectu_> time to get the fuck out of here
2014-04-24T16:29:00 < superbia> good idea,
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2014-04-24T16:29:42 < timemob> best Korea the land of non resolving dns
2014-04-24T16:29:42 < englishman> wat
2014-04-24T16:29:53 < englishman> who's superbia
2014-04-24T16:30:00 < timemob> shitty troll
2014-04-24T16:30:07 < timemob> ex beaky
2014-04-24T16:30:13 < englishman> sup gangnam style
2014-04-24T16:30:23 < timemob> yes
2014-04-24T16:30:36 < timemob> going to gangnam tomorrow
2014-04-24T16:31:13 < timemob> so many ugly female creatures here
2014-04-24T16:31:51 < englishman> new plastic surgery capital of the world
2014-04-24T16:32:35 < timemob> they need some shorter hair too
2014-04-24T16:35:23 < bighead123> To get STM32 MCU running, NRST must be HIGH, or not connected to anywhere?
2014-04-24T16:35:45 < bighead123> as I know LOW (i.e. GND) causes MCU reset
2014-04-24T16:36:47 < bighead123> For example on AVR you need to connect it to HIGH always, otherwise MCU will not execute the code
2014-04-24T16:37:03 < bighead123> does same thing happens here
2014-04-24T16:37:05 < bighead123> ?
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2014-04-24T16:43:11 < zyp> bighead123, it has a built in pullup, so it will be high if left unconnected
2014-04-24T16:44:49 < bighead123> zyp: https://www.dropbox.com/s/n5jdo7slu92f25l/1.JPG seems like everything is fine, but LED on PC12 does nothing
2014-04-24T16:45:05 < bighead123> what else could be wrong?
2014-04-24T16:45:24 < zyp> you didn't turn on GPIOC clock
2014-04-24T16:45:56 < bighead123> zyp: how to turn it on?
2014-04-24T16:46:02 < zyp> in RCC
2014-04-24T16:46:21 < bighead123> RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); this is not correct?
2014-04-24T16:46:25 < bighead123> how it must be?
2014-04-24T16:47:15 < zyp> oh, missed that
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2014-04-24T16:52:45 < bighead123> heh, already week gone, with no result and no hope
2014-04-24T16:57:47 < __rob2> checked your led is round the right way ?
2014-04-24T16:58:13 < bighead123> IT WORKS OMG I AM SO HAPPY
2014-04-24T16:58:38 < Alexer> :DD
2014-04-24T16:59:07 < bighead123> LED WAS DEAD, I'VE BURNED IT WITH 12V AGES AGO, IT looked like a new, BUT I remember it is dead
2014-04-24T16:59:18 < bighead123> Thank you guys
2014-04-24T16:59:30 < Steffanx> lol, why the led wasn't in the trash bin?
2014-04-24T16:59:48 < __rob2> or why you didn't check the pin with a scope.. or even just a meter a week ago
2014-04-24T16:59:53 < __rob2> to rule out the mcu..
2014-04-24T16:59:54 < bighead123> My entire room looks like trash bin
2014-04-24T17:09:25 < timemob> not surprising
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2014-04-24T17:11:16 < Steffanx> How clean is your ghetto timemob ?
2014-04-24T17:11:21 < Steffanx> *organized
2014-04-24T17:11:30 < Steffanx> The one in japanland that is.
2014-04-24T17:11:37 < timemob> eh
2014-04-24T17:11:43 < timemob> I posted pics recently
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2014-04-24T18:03:35 < timemob> http://www.stryker.com/en-us/products/Endoscopy/index.htm
2014-04-24T18:03:43 < timemob> haha 1488 camera
2014-04-24T18:04:00 < timemob> someone there is a funny guy
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2014-04-24T18:06:15 < timemob> context: http://en.m.wikipedia.org/wiki/Fourteen_Words
2014-04-24T18:11:25 < karlp> how does that related to 1488?
2014-04-24T18:11:43 < karlp> oh right, ok.
2014-04-24T18:11:51 < karlp> stupid mobile links hid everything
2014-04-24T18:12:01 < karlp> man, looking for meaning in numbers and you find what you're looking for
2014-04-24T18:12:23 < karlp> dsl is for hitler, because of rfc1488?
2014-04-24T18:12:36 < karlp> woops, wrong rfc
2014-04-24T18:14:10 < timemob> haha
2014-04-24T18:14:20 < timemob> what crap is rfc@488
2014-04-24T18:14:44 < timemob> oh some x500 shit
2014-04-24T18:14:50 < timemob> sounds boring
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2014-04-24T19:01:22 < Laurenceb> http://www.st.com/web/en/news/n3547
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2014-04-24T19:03:12 < zyp> value line all over again?
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2014-04-24T19:13:40 < timemob> rices for the new STM32F3 devices start at $0.89 for the STM32F301K6U6 (72MHz Cortex-M4 plus FPU) with 32KByte Flash and 16KB of SRAM in 32-pin package, for orders of 10000 pieces.
2014-04-24T19:13:44 < timemob> nice
2014-04-24T19:18:01 < Steffanx> how often do you need 10k pieces ?
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2014-04-24T19:27:01 < timemob> since that's usually the price when you get from places like wave share..
2014-04-24T19:29:59 < Steffanx> ah ok
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2014-04-24T20:21:23 < dekar> the ST eeprom emulation lib erases the empty flash page (it swaps between two pages) every time you call EE_Init(), which leads to corruption if loss of power occurs during init. doesn't erasing an empty page also wear down the flash?
2014-04-24T20:22:14 < scrts_w> I presume it does
2014-04-24T20:23:10 < zyp> of course it does, it's a ploy to wear down your chips so you have to buy more
2014-04-24T20:23:16 < dekar> this is especially peculiar, given that they advertise the wear levelling of their implementation
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2014-04-24T20:26:42 < PaulFertser> dekar: there's actually a bug in the st's lib that is very hard to trigger but it's not that.
2014-04-24T20:28:59 < dekar> PaulFertser, my problem is related to AN3969
2014-04-24T20:29:42 < PaulFertser> dekar: I think the code is very similar to what I was using on stm32f1.
2014-04-24T20:30:10 < PaulFertser> If the power is cut off during the page transfer, it continues with the page transfer the next EE_Init().
2014-04-24T20:30:18 -!- jon1012 [~jon@foresight/developer/jon1012] has quit [Ping timeout: 240 seconds]
2014-04-24T20:30:26 < PaulFertser> But if the power is cut off during that again and again...
2014-04-24T20:31:05 < dekar> http://pastebin.com/nqLmuMHd
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2014-04-24T20:31:40 < dekar> page0 has already been erased, thus they erase it again :/
2014-04-24T20:32:06 < dekar> the opposing case does the same
2014-04-24T20:32:17 < zyp> quality code
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2014-04-24T20:34:50 < PaulFertser> dekar: their stm32f1 code doesn't perform any extra erases.
2014-04-24T20:35:06 < PaulFertser> iirc
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2014-04-24T20:43:06 < dekar> PaulFertser, F1 does the same, but I never had any corruption issues on F1.
2014-04-24T20:45:54 < PaulFertser> dekar: after the page is erased, it's in "valid" state. So this code you cited happens only if the device reboots mid-erase.
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2014-04-24T20:48:59 < dekar> PaulFertser, it stays in ERASED after getting erased.
2014-04-24T20:50:09 < dekar> PaulFertser, http://pastebin.com/74Dbvz8m
2014-04-24T20:51:42 < PaulFertser> dekar: hm, you're right about it but I was sure it was sane in that regard...
2014-04-24T20:52:28 < dekar> that was the F1 code btw, but it applies to the F4 one as well
2014-04-24T20:55:27 < dekar> I've sent a mail to my contact at ST
2014-04-24T20:56:08 < PaulFertser> Probably extra erase on every bootup is not significant anyway.
2014-04-24T20:56:19 < jpa-> unless you boot often
2014-04-24T20:57:22 < dekar> in my case it caused corrupted data due to cases of power loss during boot/erase.
2014-04-24T20:57:53 < jpa-> why would that cause corruption?
2014-04-24T20:58:54 < dekar> jpa-, it seems like interrupting flash erasure sometimes results in zeroes instead of 0xFF
2014-04-24T20:59:35 < jpa-> in that case, just be happy that they erase every time, it pointed out a bug that could have been much nastier
2014-04-24T20:59:51 < dekar> I haven't fully investigated, but commenting the erasepage code fixed the issue for me
2014-04-24T21:00:02 < jpa-> s/fixed/hid/
2014-04-24T21:01:14 < jpa-> though i think flash erase progress is something of a loop, so if the flash is already empty it might not wear it as much
2014-04-24T21:03:10 < zyp> isn't page erase wired to all bits in parallel, that being the reason it has to be page erase in the first place?
2014-04-24T21:04:35 < jpa-> yes
2014-04-24T21:05:29 < jpa-> but if i have understood correctly, the flash controller repeats the erase until it detects that everything is empty, or times out.. which is why flash erase becomes slower as it wears down.. but this is just what i have understood, not necessarily correct
2014-04-24T21:05:38 < zyp> ah
2014-04-24T21:05:44 < dekar> jpa-, I meant fixed and not hid, the problem is gone. It only sporadically happened and was hard to reproduce. I've used a button on the USB power line to reproduce the bug reliably enough to debug it. Besides corrupting the EEPROM only deletes a few settings, not too big of a deal.
2014-04-24T21:06:47 < jpa-> yeah, depends on reliability required
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2014-04-24T21:07:13 < jpa-> for mostly read-only data it's probably quite safe now
2014-04-24T21:07:43 < dekar> jpa-, there is simply no need to erase flash pages while the power supply isn't stable enough, I never had any problems during proper usage.
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2014-04-24T21:31:21 < superbia> what frisc did to me https://www.youtube.com/watch?v=MgNkJfTfHa4
2014-04-24T21:33:35 < Steffanx> Ask ranewen wat Frisc did to him.
2014-04-24T21:33:40 < Steffanx> or nine-tails
2014-04-24T21:34:45 < superbia> let visit ##freenode and ask them to ban you
2014-04-24T21:35:02 < superbia> for excessive trolling Steffanx
2014-04-24T21:39:53 < Steffanx> Have fun.
2014-04-24T21:40:27 < superbia> i cant i have to go through .pptx es
2014-04-24T21:40:46 < Steffanx> Ask ranewen/nine-tails to help you with it.
2014-04-24T21:45:04 < dekar> my fix: http://pastebin.com/TguRvm68
2014-04-24T21:49:52 < superbia> ugly style.
2014-04-24T21:52:41 < dekar> show me your style then :)
2014-04-24T21:53:04 < SlaveToTheSauce> omitting {} is a grave sin
2014-04-24T21:53:33 < superbia> http://www.freebsd.org/cgi/man.cgi?query=style&sektion=9
2014-04-24T21:55:03 < dekar> superbia, C89-style comments? no thanks!
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2014-04-24T22:10:52 < dekar> superbia, "Forever loops	are done with for's, not while's." I really don't like the freeBSD kernel style :/
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2014-04-24T22:15:19 < emeb> zyp: you still using those cyclesleep routines?
2014-04-24T22:15:24 < superbia> you are not sexy then
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2014-04-24T22:16:05 < zyp> emeb, which? the one that uses DWT_CYCCNT?
2014-04-24T22:16:17 < emeb> yes
2014-04-24T22:16:33 < zyp> I don't think I've ever used it for something actual
2014-04-24T22:16:38 < emeb> good :)
2014-04-24T22:16:43 < zyp> why?
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2014-04-24T22:16:57 < emeb> there's a bug in the cyclesleep() routine.
2014-04-24T22:17:20 < emeb> when computing the future cycle count goal it doesn't account for the counter wrapping.
2014-04-24T22:17:36 < zyp> hang on, can you pastebin the function?
2014-04-24T22:18:07 < emeb> http://pastebin.com/2dPDijKv
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2014-04-24T22:18:18 < emeb> in cyclegoal()
2014-04-24T22:18:34 < zyp> right, this is not what I wrote :)
2014-04-24T22:18:46 < emeb> ok - maybe this is my bad code.
2014-04-24T22:18:58 < emeb> don't have the full history on it, but wanted to warn you. :)
2014-04-24T22:19:39 < zyp> while(int32_t(goal - *dwt_cyccnt) > 0); should do the trick
2014-04-24T22:20:05 < emeb> hmmm - how does that fix it?
2014-04-24T22:20:21 < fbs> dont you need () around the int32_t ?
2014-04-24T22:20:36 < zyp> fbs, yes, in C
2014-04-24T22:20:40 < emeb> yes, but that's just syntax
2014-04-24T22:20:54 < zyp> emeb, it takes the wrap out of it
2014-04-24T22:20:59 < emeb> gotcha
2014-04-24T22:21:02 < emeb> will try...
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2014-04-24T22:21:50 < zyp> both the goal and the counter wraps at some point, and when you do a signed delta between them you get either half the range before or after it
2014-04-24T22:22:45 < zyp> you can obviously not have longer delays than INT_MAX then, and resolution will be a bit worse due to more instructions in the loop, but the wrap won't be a problem at all
2014-04-24T22:23:07 < emeb> right - the key is doing it signed and not having goals > INT_MAX/2
2014-04-24T22:23:12 < zyp> yes
2014-04-24T22:24:01 < emeb> I was seeing cyclesleep hang up every few minutes
2014-04-24T22:24:02 < zyp> to put it in different terms, both the goal and the counter are circular, and the delta is the phase difference between them, which is positive in one half of the circle and 0 at the deadline
2014-04-24T22:24:22 < emeb> since 2^32/(24MHz) = 178 seconds that's about right
2014-04-24T22:24:59 < emeb> so now waiting for 3 minutes to see if it hangs... :)
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2014-04-24T22:32:50 < emeb> looks like that works. thx
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2014-04-24T23:32:48 < Alexer> wait, some people actually call infinite loops "forever loops"? o.O
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2014-04-24T23:47:03 < Alexer> also, the usb3 -thing turned out to be an old I'm-too-lazy-to-do-this-correctly-right-now-I'll-fix-it-later that I thought I had already fixed, and got triggered because Linux did the initialization a bit differently with usb3
2014-04-24T23:48:30 < Alexer> (ie. it requested only 8 bytes but I tried to write the whole device descriptor, which worked fine with usb2 since it requested 64 bytes)
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--- Day changed Fri Apr 25 2014
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2014-04-25T00:13:11 < zyp> heh
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2014-04-25T00:17:40 < Tectu_> Makefile:
2014-04-25T00:17:40 < Tectu_> STDP ?= ../STM32F429I-Discovery_FW_V1.0.1
2014-04-25T00:17:46 < Tectu_> wtf is   ?=    =
2014-04-25T00:17:50 < Tectu_> never seen that before
2014-04-25T00:19:40 < zyp> try the make documentation
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2014-04-25T00:44:47 < __rob2> Alexar, prob beacuse of the verliog "forever" statement
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2014-04-25T01:11:23 < karlp> ?= is great
2014-04-25T01:11:55 < Tectu_> karlp, it is indeed.
2014-04-25T01:12:04 < Tectu_> I've always used some   if   crap for those things
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2014-04-25T01:46:26 < tkd> is there something special about, say, TIM5 on an stm32f4 discovery board? at some point today i was experiencing delays of ~1minute before it started outputting
2014-04-25T01:49:17 < tkd> (extremely basic pwm → gpio output program, initialize and loop nop, confirmed with debugger that the core was indeed in the nop loop, but the timer still needed a long, long while before i saw the output on my scope)
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2014-04-25T01:49:52 < ds2> you mistakenly received a DSO with a huge huge memory buffer? :D
2014-04-25T01:51:41 < tkd> erm, what's a DSO?
2014-04-25T01:52:15 < ds2> Digitial Storage Oscilloscope
2014-04-25T01:54:51 < tkd> well, it probably has a massive buffer, but i'm fairly sure that's not the case here :)
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2014-04-25T02:04:29 < Alexer> tkd, well, sticking a led in there is a fast and easy way to be sure ...just make sure the led works, first, so you don't end up debugging a broken led for a week like bighead123 earlier ;)
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2014-04-25T02:34:09 < tkd> Alexer: the signal was fine though, and the scope is a really, really good piece of kit.
2014-04-25T02:35:03 < tkd> Alexer: it's just that it took a ridiculously long time for TIM5 to start outputting after a reset.
2014-04-25T02:38:38 < tkd> this is a board that probably had… things… happen to it, so if common knowledge is that tim3 is functionally equivalent to tim5 (and it seems to be, even including AF numbers), i'm happy to accept that as a fluke
2014-04-25T02:39:18 < tkd> i'd just be happy to know it if somebody else witnessed similar weirdness
2014-04-25T02:43:09 < Miek> zyp: got the nrf flashing working :)
2014-04-25T02:49:16 < Alexer> tkd, I said that half-jokingly :-)
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2014-04-25T02:51:04 < tkd> Alexer: ah, ok:) too tired, but at least now i have pretty DMA-powered blinking led's :)
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2014-04-25T02:52:05 < Alexer> but it had to be said since the amount of times I keep my mouth shut and it turns out the problem would've been solved with the trivial check I was (or wasn't) thinking is too damn high!
2014-04-25T02:53:15 < tkd> Alexer: this is actually what my friend told me today - don't ask on IRC, if you do, you'll see it's trivial :>
2014-04-25T02:53:39 < Alexer> tkd, DMA pow.. LEDS?! how does *that* work? :P
2014-04-25T02:54:21 < tkd> Alexer: ah, ws2811 driven by a TIM3 in PWM mode with DMA writes to TIM3_CCR1 on update events.
2014-04-25T02:54:32 < Alexer> the rule is: either it turns out to be trivial, or no-one has any idea how to help ;)
2014-04-25T02:55:28 < Alexer> ah, you have a led strip? or individual chips?
2014-04-25T02:56:14 < tkd> led strip. right now only 3 chips long though cause that's what i need for the project:)
2014-04-25T02:56:50 < Alexer> I regret not buying a ws28something led strip right away when I saw one for dirt cheap a (big) while ago
2014-04-25T02:57:22 < tkd> pretty sure they're not getting more expensive on aliexpress
2014-04-25T02:58:10 < tkd> http://www.aliexpress.com/item/Free-shipping-dc-5v-4m-240-leds-60-pixel-m-5050-smd-rgb-ws2812b-ws2811-led/1519096378.html less than $12 a meter
2014-04-25T02:59:40 < Alexer> it might've been a pricing mishap (although it was more than one listing) but if I'm not completely mistaken, it was something like 18$/5m then :P
2014-04-25T03:00:11 < Alexer> when I went to buy a month later, they were more like 18$/1m
2014-04-25T03:02:27 < tkd> huh, $18/5m would be… amazing. $12/m is still not too shabby for most uses, they're obscenely bright
2014-04-25T03:03:10 < tkd> though if you try to do a matrix out of them it will hurt your wallet. but it might be worth it, it looks gorgeous.
2014-04-25T03:05:49 < Alexer> I only have HL1606 based ledstrips, they're fine for "rainbow-y" effects, but quite limited if you want to do anything more elaborate
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2014-04-25T03:10:27 < Alexer> that is, you can set each red/green/blue led state only as fully-on/fully-off/incrementing/decrementing, and the incrementing/decrementing happens simultaneously on every led based on a "clock" signal you provide
2014-04-25T03:12:29 < Alexer> so you can't just change the brightness of one led, you have to adjust every led's value simultaneously (except if they're fully-on/fully-off). and you can't just set the desired brightness, you have to fade through other colors
2014-04-25T03:13:13 < Alexer> works great for rainbow effects, but if you'd want them to look like candle flames, you're out of luck :P
2014-04-25T03:14:21 < tkd> ah, don't think i've ever seen those up close
2014-04-25T03:17:14 < Alexer> they make for nice sliding-rainbow-collars at celebrations (new years/walpurgis night) >:)
2014-04-25T03:17:39 < Alexer> (although they do tend to drain batteries pretty quickly :P)
2014-04-25T03:19:59 < __rob2> anyone know of an lcd module like the HD44780 (size at least) but with fast screen update
2014-04-25T03:20:07 < __rob2> any interface
2014-04-25T03:20:18 < __rob2> is there a standard option ?
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2014-04-25T03:33:56 < upgrdman> prolly not a char lcd.
2014-04-25T03:34:11 < upgrdman> you dont usually go high end with something like that.
2014-04-25T03:34:49 < upgrdman> but if you insist, there's oled versions out there
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2014-04-25T05:31:02 < upgrdman> the f0 doesn't have an fsmc. would be most efficient way to talk to an lcd be with a timer + isr + state machine? i don't suppose dma would help here?
2014-04-25T05:32:24 < emeb_mac> what kind of interface?
2014-04-25T05:32:30 < emeb_mac> just GPIO?
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2014-04-25T05:42:47 < karlp> hey emeb_mac, was thinking of you tonight at a show, when people have a delay pedal, _if_ it's digital, how much ram does that sort of thing need?
2014-04-25T05:43:18 < emeb_mac> karlp: depends on how long a delay and what the bandwidth (sample rate) is
2014-04-25T05:43:23 < karlp> do you just sort of store samples at 44.1khz into ram, and start playing back X samples later, for X = delay length in samples/samplerate?
2014-04-25T05:43:40 < emeb_mac> karlp: yep - just circular buffers
2014-04-25T05:44:02 < emeb_mac> I've got some delays that are implemented in on-chip SRAM
2014-04-25T05:44:05 < karlp> right, I was thinking, it's not heavy processing or anything, but it needs a (relatively) big buffer
2014-04-25T05:44:17 < emeb_mac> and I've done some delays that were done with off-chip using FSMC
2014-04-25T05:44:37 < karlp> like a 500-800ms buffer (heavily audible echo) there's no way that fits in onboard ram
2014-04-25T05:44:42 < emeb_mac> karlp: the "heavy processing" happens when you want to change the delay w/o glitches
2014-04-25T05:45:14 < karlp> hrm, that only happens when someone's actively playing with the delay length knob though right?
2014-04-25T05:45:35 < karlp> so quite liekly/possible for knobtwiddling 303 lovers, but not really relevant for guitar pedals?
2014-04-25T05:45:55 < karlp> anyway, what sort of sample rates are common/accepted for a delay pedal?
2014-04-25T05:46:36 < emeb_mac> guitars don't have really wide BW - 20kHz sample rates are probably OK
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2014-04-25T05:47:40 < upgrdman> emeb_mac: sorry i was afk. lcd is an 8bit parallel interface. 8080 iirc.
2014-04-25T05:50:18 < emeb_mac> karlp: glitchless delay changes are pretty important. people "play with the knob" a lot when they're trying to set the tempo.
2014-04-25T05:51:00 < karlp> damn edge cases :)
2014-04-25T05:51:36 < karlp> other loose thoughts of the evening, you commonly see 3.5mm headphone jack input-> fm transmitters right
2014-04-25T05:51:39 < emeb_mac> karlp: two ways to do it - 1) cross fade between old & new delay lengths (requires two reads / output sample)
2014-04-25T05:51:59 < emeb_mac> 2) variable rate resampling
2014-04-25T05:52:08 < karlp> it should be equally possible, to be a usb sound card, that just happens to have the output going to an fm transmitter,
2014-04-25T05:52:24 < karlp> but that I guess requires app support for selecting an output device,
2014-04-25T05:52:25 < emeb_mac> the latter is more computationally intensive, but gives some nifty side effects (fm)
2014-04-25T05:52:51 < karlp> what do you mean by side effects in this case?
2014-04-25T05:53:15 < emeb_mac> when delay amount is changed then sample rate into the buffer changes
2014-04-25T05:53:25 < emeb_mac> which modulates pitch of the signal in the buffer
2014-04-25T05:55:35 < karlp> shameless promo for kimono: https://soundcloud.com/kimonomatopoeia/sets/arctic-death-ship
2014-04-25T05:56:03 < emeb_mac> I've got one of those Ramsey FM xmtrs on my music server
2014-04-25T05:56:06 < emeb_mac> works OK
2014-04-25T05:56:13 < karlp> sound stuff always interests me, but it's often (just?) over my head
2014-04-25T05:56:26 < emeb_mac> eh - it's not so hard.
2014-04-25T05:56:36 < emeb_mac> mostly common sense
2014-04-25T05:56:41 < karlp> I remember in uni finding the dsp courses realllly interesting, and _almost_ grokking it, but just not entirely,
2014-04-25T05:56:49 < karlp> always having a few looose nuts here and there
2014-04-25T05:57:10 < karlp> day job required dsp recently, relearnt a lot and re-remebered a lot,
2014-04-25T05:57:14 < emeb_mac> they way you learn is to play with it, study the results & try again
2014-04-25T05:57:23 < karlp> but I still feel that it's not fully imprinted yet.
2014-04-25T05:57:36 < emeb_mac> one of the best DSP designers I know has a degree in anthropology
2014-04-25T05:57:53 < emeb_mac> he learned it because he wanted to do cool stuff
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2014-04-25T08:00:13 < madist> hmm... Obama is in Seoul, dongs is in Seoul ...
2014-04-25T08:00:18 < madist> coincidence ?
2014-04-25T08:01:05 < Viper168> I thought it was obvious they're the same person from all of the dicks in obama's speeches
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2014-04-25T12:15:56 < timemob> hay
2014-04-25T12:16:30 < Fleck> morning!
2014-04-25T12:18:23 < timemob> http://imgur.com/a/9ErFT
2014-04-25T12:18:29 < timemob> today's trolling
2014-04-25T12:20:01 < Fleck> audi signs? :D
2014-04-25T12:20:45 < timemob> audi?
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2014-04-25T12:45:30 < timemob> heading to gangnam
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2014-04-25T12:55:45 < timemob> what
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2014-04-25T13:24:30 < edmont> http://s7.postimg.org/w6fbd24bv/STM32_L152_VB_clock_config.png
2014-04-25T13:24:58 < edmont> with this configuration, i guess the clock for timer 4 is 16 MHz
2014-04-25T13:25:03 < edmont> isn't it?
2014-04-25T13:26:50 < Miek> yes
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2014-04-25T13:27:40 < edmont> Miek: this is how i configured it
2014-04-25T13:27:45 < edmont> 	/*-------------------------- TIM4 configuration ---------------------------*/
2014-04-25T13:27:46 < edmont> 	// Upcounter, URS=1 (only overflow event)
2014-04-25T13:27:46 < edmont> 	TIM4->CR1  |= 0x0004;
2014-04-25T13:27:46 < edmont> 	// 16 MHz / 50 kHz -> 320
2014-04-25T13:27:46 < edmont> 	TIM4->PSC = 320-1;
2014-04-25T13:27:46 < edmont> 	// 50 kHz -> 20 us/count. Count = MAJOR_CYCLE*1000/20
2014-04-25T13:27:46 < edmont> 	TIM4->ARR = MAJOR_CYCLE*50;
2014-04-25T13:27:47 < edmont> 	// Update interrupt enable
2014-04-25T13:27:47 < edmont>       TIM4->DIER |=  0x0001;
2014-04-25T13:27:48 < edmont> 	/*-------------------------------------------------------------------------*/
2014-04-25T13:28:03 < edmont> with MAJOR_CYCLE = 250
2014-04-25T13:28:48 < edmont> and i am blinking a led in the irq handler
2014-04-25T13:29:43 < edmont> it's supposed to blink every 0.5 seconds, but it does every second
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2014-04-25T13:32:03 < edmont> #undef HSE_VALUE
2014-04-25T13:32:03 < edmont> #define HSE_VALUE    ((uint32_t)16000000)
2014-04-25T13:32:22 < edmont> that's what i do in my main.c
2014-04-25T13:32:57 < scrts_w> PLLDIV = 6?
2014-04-25T13:33:15 < scrts_w> try to switch to HSI RC
2014-04-25T13:33:18 < scrts_w> without using PLL
2014-04-25T13:35:36 < edmont> scrts_w: but i have the HSE installed, i should use it
2014-04-25T13:35:44 < edmont> waht is the problem with the PLL?
2014-04-25T13:38:18 < scrts_w> edmont: probably no problems, jsut for debug
2014-04-25T13:38:24 < scrts_w> maybe your PLL settings are wrong?
2014-04-25T13:39:37 < edmont> i just used the configuration tool
2014-04-25T13:40:12 < scrts_w> so?
2014-04-25T13:40:27 < edmont> it generates a system_stm32l1xx.c
2014-04-25T13:40:49 < Laurenceb> attn dongs http://s2.b3ta.com/host/creative/37861/1254859568/thumb.gruff.jpg
2014-04-25T13:42:04 < scrts_w> edmont: so you say that there could be no bugs in that software? :)
2014-04-25T13:43:12 < edmont> hahah, i trust it more than myself
2014-04-25T13:43:13 < edmont> :)
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2014-04-25T13:44:02 < edmont> when i first tested it i used the system tick to blink the led and it was working ok
2014-04-25T13:45:38 < timemob> system all ticks
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2014-04-25T13:49:32 < edmont> ok scrts_w, i just checked the RCC->CFGR and both PLLMUL and PLLDIV are 2
2014-04-25T13:50:24 < edmont> so, somthing must be wrong with the configuration file
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2014-04-25T14:00:12 < scrts_w> edmont: see... you have the same mul and div values, while mul should be two times higher according to your screenshot
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2014-04-25T14:29:12 < jpa-> bah.. sensor capture overflows when usb is connected => adjust interrupt priorities just a bit => everything starts crashing
2014-04-25T14:29:37 < jpa-> seems like my nuttx config is somehow seriously broken with regards to nested interrupts and it only worked by chance
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2014-04-25T14:36:51 < timemob> nuttx
2014-04-25T14:36:57 < timemob> found your problem
2014-04-25T14:41:46 < jpa-> wait, i also compile it using gcc
2014-04-25T14:41:50 < jpa-> and develop using kdevelop
2014-04-25T14:41:55 < jpa-> which one is the *real* problem?
2014-04-25T14:42:20 < jpa-> oh, and this all happens on ubuntu
2014-04-25T14:45:55 < timemob> holy shit.
2014-04-25T14:46:19 < timemob> I'm surprised you're getting anywhere at all
2014-04-25T14:50:37 < jpa-> who says i am? :D
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2014-04-25T15:10:35 < Laurenceb> http://i1183.photobucket.com/albums/x462/mnemennth/DSC08688.jpg?width=640
2014-04-25T15:12:08 < Laurenceb> http://diydrones.com/profiles/blogs/hummingboard-the-vastly-more-powerful-raspi
2014-04-25T15:12:14 < Laurenceb> failing at failing
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2014-04-25T15:15:44 < RaYmAn> I'm still not sure what makes it a "contender to the throne" (and whether raspi has any meaningful throne in the first place). I guess they are only talking about size because it seems pretty unlikely that that board will cost 35$ or anything close to that.
2014-04-25T15:19:23 < timemob> it has the same idiotic pin out
2014-04-25T15:19:37 < timemob> and dumb connector placement
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2014-04-25T15:21:01 < Laurenceb> attn timemob  http://www.liveleak.com/view?i=95a_1397947174
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2014-04-25T16:01:06 < tkd> jpa-: i got that dma to work yesterday, but i got something weird along the way - TIM5 would take a super long time to start up. i'm okay with TIM3, but do you have any hints how to figure out why it could take ~1 minute for it to start outputting?
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2014-04-25T16:24:10 < edmont> scrts_w: "This tool does not support configurations that use HSE external clock source."
2014-04-25T16:24:15 < edmont> :)
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2014-04-25T17:22:23 < scrts_w> edmont: see...
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2014-04-25T18:01:07 < jpa-> tkd: maybe you have enabled register preloading, and have to generate a manual update event?
2014-04-25T18:04:40 < edmont> scrts_w: i was wrong, pllmul and plldiv are both 0x02 in the register, but that means they are 6 and 3
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2014-04-25T18:15:55 < edmont> i checked RCC->CFGR and it is ok
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2014-04-25T20:07:37 < bvernoux> hi
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2014-04-25T21:32:18 < tkd> jpa-: interesting. i might've had register preloading, but the exact same code did work correctly on tim3, and in fact it did start without triggering anything - just after a very, very long time
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2014-04-25T22:31:46 < Steffanx> dekar, you use gqrx on your macbook? Just curious if you ever experienced usb issues after using it for a while
2014-04-25T22:32:22 < Steffanx> As in, both the keyboard and touchpad stop being functional after using it for a longer time.
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2014-04-25T23:04:20 < Laurenceb_> wow i didnt know we had a government department of trolling
2014-04-25T23:04:32 < Laurenceb_> http://www.bbc.co.uk/news/uk-england-merseyside-27165844
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2014-04-25T23:59:13 < Steffanx> Laurenceb_ sends them his resume?
2014-04-25T23:59:17 < Steffanx> é
2014-04-25T23:59:50 < Laurenceb_> yup
--- Day changed Sat Apr 26 2014
2014-04-26T00:02:27 < Steffanx> \o/
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2014-04-26T02:59:41 < hesperaux> why is there no EXTI10_15_IRQHandler() in startup_stm32f10x_xl.h for the STM32F103RG?
2014-04-26T03:00:02 < hesperaux> it goes from EXTI0 to EXTI4_IRQHandler
2014-04-26T03:00:23 < hesperaux> I also see a 9_5 one
2014-04-26T03:00:44 < hesperaux> meh, nvm. the 15_10 one is not alphabetical
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2014-04-26T07:24:17 < GargantuaSauce> very squealy smps you got there upgrdman
2014-04-26T07:25:09 < upgrdman> lol
2014-04-26T07:25:15 < upgrdman> you sub'd to me or something?
2014-04-26T07:25:19 < GargantuaSauce> ya
2014-04-26T07:25:39 < upgrdman> cool. now i have... uh... one subscriber :)
2014-04-26T07:25:51 < GargantuaSauce> looks like 3 to me
2014-04-26T07:26:16 < GargantuaSauce> same as me! damn we're popular
2014-04-26T07:27:19 < upgrdman> ya. well maybe i should put keywords and shit in my tags.
2014-04-26T07:27:30 < upgrdman> the one or two times i did that i got like 10x the views i normally do
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2014-04-26T08:00:58 < upgrdman> pwm'ing a fet gate can draw noteworthy current at high freqs. anyone know if a gpio can easily get damaged from that, or will the drive transistors limit current through the pin?
2014-04-26T08:05:28 < GargantuaSauce> i think you'll fry the fet long before the gpio would die
2014-04-26T08:06:21 < upgrdman> why would that fry the fet?
2014-04-26T08:06:30 < upgrdman> gate gap isn't going to hurt the fet
2014-04-26T08:06:34 < upgrdman> *cap
2014-04-26T08:06:42 < GargantuaSauce> no but being half-on for too long is
2014-04-26T08:06:50 < upgrdman> oh. ya. true
2014-04-26T08:07:14 < upgrdman> good thing i have a cv/cc psu to save my ass.
2014-04-26T08:08:18 < GargantuaSauce> would probably be a good idea to stick a pair of BJTs on there and then you don't need to worry at all
2014-04-26T08:08:36 < GargantuaSauce> but like 30KHz probably isn't going to be an issue (unless the gate capacitance is really huge)
2014-04-26T08:09:23 < madist> most modern power mosfets have enough input capacitance that you cannot drive them (properly) from an mcu at all. at any pwm frequency.
2014-04-26T08:09:38 < madist> i don't think stm32's are rated for 1000pF loads.
2014-04-26T08:09:51 < upgrdman> the thing is that i have a box of more than 500 n-fet's laying around (they were free)
2014-04-26T08:10:18 < GargantuaSauce> yeah if you want to swap out an arbitrary one with potentially very large gate capacitance, definitely use a bipolar driver
2014-04-26T08:10:49 < GargantuaSauce> doesn't need to be fancy at all, just 2n3904/3906 with a 5 or 12V supply
2014-04-26T08:11:11 < upgrdman> madist: i've done 20kHz with good luck to some SOP8 fets. and 4kHz to some ancient to220 fets
2014-04-26T08:11:23 < upgrdman> ya
2014-04-26T08:11:43 < GargantuaSauce> though if this is really a boost converter for some 2V-powered application you're going to have to come up with some stupid bootstrapping solution
2014-04-26T08:11:52 < upgrdman> no not at all
2014-04-26T08:12:07 < upgrdman> im just trying to learn switch mode stuff
2014-04-26T08:12:16 < madist> everyone does it. i was just pointing out that technically you aren't supposed to do it.
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2014-04-26T08:12:43 < upgrdman> and maybe, if things work out great, i'll make an LED cc driver for my chinese LEDs on a boat my way now
2014-04-26T08:12:57 < upgrdman> problem is they're 100W LEDs ... so i need my act together first ;)
2014-04-26T08:13:02 < GargantuaSauce> hehe
2014-04-26T08:13:05 < upgrdman> madist: o ok
2014-04-26T08:13:09 < GargantuaSauce> i have that on my list also
2014-04-26T08:13:35 < madist> if you have a 100W load and you drive the mosfet from the mcu, it will turn on slowly and turn to smoke.
2014-04-26T08:13:57 < upgrdman> :)
2014-04-26T08:14:00 < GargantuaSauce> yup
2014-04-26T08:14:19 < upgrdman> is that the miller charge coming into play?
2014-04-26T08:14:30 < dekar> Steffanx, I don't remember any USB issues using gqrx.
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2014-04-26T08:16:17 < GargantuaSauce> not really more significant than Cgs i think. mostly a question of pushing a few amps through what will be a few ohms on average
2014-04-26T08:17:04 < GargantuaSauce> if switching at any reasonably high frequency
2014-04-26T08:17:24 < GargantuaSauce> but yeah surely you have a couple BJTs to toss on the breadboard there
2014-04-26T08:17:54 < upgrdman> no pth bjt's right now :) but ya, i can pick some up
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2014-04-26T08:59:02 < dongs> ok so
2014-04-26T08:59:04 < dongs> whey the fuck
2014-04-26T08:59:09 < dongs> does all of korea smell like sewer
2014-04-26T08:59:16 < dongs> GargantuaSauce: have you noticed this
2014-04-26T08:59:29 < dongs> i was walking outside yesterday
2014-04-26T08:59:34 < dongs> and shit smells
2014-04-26T08:59:38 < dongs> and i thought it was jsut friday night
2014-04-26T08:59:42 < dongs> so i m outside again today
2014-04-26T08:59:44 < GargantuaSauce> in the city?
2014-04-26T08:59:47 < dongs> and it smells like sewer
2014-04-26T08:59:47 < dongs> yes
2014-04-26T08:59:49 < GargantuaSauce> i only noticed it in hongdae
2014-04-26T08:59:59 < dongs> im like in center of gangnam
2014-04-26T09:00:26 < emeb_mac> must be the kimchi
2014-04-26T09:00:29 < dongs> yeah
2014-04-26T09:01:13 < emeb_mac> other culture's idea of "good food smell" can be... disconcerting.
2014-04-26T09:02:00 < BrainDamage> or using the euphemism "fermented" in place of "rotten"
2014-04-26T09:02:07 < GargantuaSauce> i had exactly one meal there in two months that i didn't enjoy, and that was some fried crap from a stall outside a nightclub in gangnam
2014-04-26T09:02:45 < GargantuaSauce> everything else was perfectly palatable....kimchi rules you are all crazy
2014-04-26T09:03:14  * emeb_mac is pretty neutral on kimchi
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2014-04-26T13:54:51 < Steffanx> dekar, i do, it seems all internal devices + one usb port/hub get suspended. I thought only a reboot could fix it, but the "Probe suspended devices" in the USB Prober tool fixes it a as well
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2014-04-26T14:23:26 < superbia> or use http://hackaday.com/2014/04/26/the-arduino-operating-system/
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2014-04-26T16:35:12 < dekar> Steffanx, from my experience OSX USB problems are often related to the USB controller. For a while I had a bug where my bootloader wouldn't release the USB data line pull-up. This never showed any symptoms (OSX/Win/Linux) until I got a new macbook. On my current system it caused regular kernel panics. :/
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2014-04-26T16:39:50 < dekar> I don't mean "related" as in caused by the USB controller, but rather that they happen only for specific controller/driver combinations.
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2014-04-26T17:50:46 < mervaka> 15:37 < Flea86> beaky: By consulting the manual/errata.. and then acting upon it's advise.. :)
2014-04-26T17:51:34 < mervaka> how do you mean by "use" anyway?
2014-04-26T17:52:28 < mervaka> (lets consolidate this conversation back into #electronics, yeah?)
2014-04-26T17:55:30 < mervaka> the datasheet should tell you what the ADCs are referenced from.
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2014-04-26T22:02:26 < englishman> http://www.embeddedrelated.com/showarticle/585.php
2014-04-26T22:04:07 < Steffanx> YES, BEEN Waiting for it.
2014-04-26T22:12:25 < gxti> ew
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--- Day changed Sun Apr 27 2014
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2014-04-27T00:38:57 < scrts> guys, where do you mostly search for enclosures?
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2014-04-27T00:56:42 < gxti> why are you so excited about a mediocre soldering station flyback
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2014-04-27T01:08:50 < Laurenceb_> gxti: because he is flyback
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2014-04-27T01:18:14 < Steffanx> you are Laurenceb_, Laurenceb_ !
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2014-04-27T02:13:42 < zyp> so my parallella apparently shipped
2014-04-27T02:14:39 < zyp> estimated delivery was may last year, so it's only a year late
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2014-04-27T03:10:05 < scrts> :))
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2014-04-27T04:05:33 < gnomad> http://www.youtube.com/watch?v=pmTyizVfCng&t=10s
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2014-04-27T08:13:16 < emeb_mac> so quiet
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2014-04-27T09:20:38  * madist farts
2014-04-27T09:30:20 < emeb_mac> TMI
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2014-04-27T09:43:08 < madist> some people ... you just can't please
2014-04-27T09:44:42 < jpa-> madist: you can please us just fine by leaving
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2014-04-27T14:44:41 < Steffanx> See what you did jpa- .. you made him leave
2014-04-27T14:47:17 < Tectu> who? beaky?
2014-04-27T14:48:27 < Steffanx> no his ##electronics friend madist/madisk
2014-04-27T14:49:39 < superbia> duno who is more miserable, beaky, or you spying ##electronics
2014-04-27T14:50:49 < Steffanx> go talk to nine-tails/ranewen please.
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2014-04-27T14:59:48 < Tectu> superbia, well, that's one way to not to be nice
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2014-04-27T16:54:22 < RuslanPopov> ppl, I am working on a menu for clock setup.
2014-04-27T16:55:09 < RuslanPopov> I need to write an advice on a display that user will understand that pressing on a button will reset seconds to zero
2014-04-27T16:55:36 < RuslanPopov> what text would be usable for this advice?
2014-04-27T16:55:51 < RuslanPopov> "Reset seconds" ?
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2014-04-27T17:50:31 < Tectu> sounds sane
2014-04-27T17:50:49 < Tectu> RuslanPopov, is it a text display?
2014-04-27T17:51:07 < Tectu> otherwise you could probably use some visual aspects to explain it further
2014-04-27T17:51:31 < RuslanPopov> yes
2014-04-27T17:52:08 < Tectu> well, not many ways around "reset seconds" then I guess
2014-04-27T17:53:56 < dekar> resetting the seconds is somewhat of an odd feature, is there a particular need for it? I'd probably just allow setting the seconds or omitting them altogether.
2014-04-27T17:55:14 < dekar> they'd probably assume they're setting the start of the minute if there isn't even an option to set seconds
2014-04-27T17:55:57 < Tectu> I agree, from "setting clock menu" I'd go for some "enter your digit" and the user might simply input 0
2014-04-27T18:01:40 < RuslanPopov> heh, I like seconds reset in clocks
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2014-04-27T18:05:26 < Tectu> RuslanPopov, how comes? bad experiences? :-P
2014-04-27T18:05:48 < RuslanPopov> russian mega watch Электроника 53
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2014-04-27T22:27:56 < Laurenceb_> attn dongs
2014-04-27T22:28:11 < Laurenceb_> does afroesc accept the "simple i2c" protocol?
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2014-04-28T00:40:33 < Lux> it does
2014-04-28T00:41:13 < Lux> see https://github.com/sim-/tgy for the source
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2014-04-28T02:40:17 < gnomad> http://sourceforge.net/projects/openocd/files/openocd/0.8.0/
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2014-04-28T06:09:09 < upgrdman> GargantuaSauce: made some more progress on my boost converter:  https://www.youtube.com/watch?v=VnAF7H0dVdo
2014-04-28T06:09:30 < upgrdman> nasty waveforms when on: http://farrellf.com/temp/hv_boost_converter.png
2014-04-28T06:11:00 < GargantuaSauce> beautiful
2014-04-28T06:11:07 < upgrdman> ya no kidding
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2014-04-28T10:26:05 < dongs> sup stoners
2014-04-28T10:30:22 < emeb_mac> stonin'
2014-04-28T10:30:39 < dongs> totally
2014-04-28T10:30:46 < dongs> so i wanna detect magnet north/south/not preesnt
2014-04-28T10:30:54 < dongs> but linear analog output halls are expensive as balls
2014-04-28T10:31:10 < dongs> opinion on sticking a pair of north ones at opposite angles
2014-04-28T10:31:47 < emeb_mac> sounds doable
2014-04-28T10:31:54 < dongs> no reason it wouldnt work right?
2014-04-28T10:32:14 < emeb_mac> doesn't seem like there'd be problems
2014-04-28T10:32:17 < dongs> except i think most of  those shits detect vertically
2014-04-28T10:32:23 < dongs> so i'd have to mount it on backside??
2014-04-28T10:34:29 < dongs> some guy wants 400 of them on a single pcb
2014-04-28T10:34:35 < dongs> i told its gonna be $400 in just hall sensors
2014-04-28T10:34:54 < emeb_mac> they're not cheap
2014-04-28T10:35:03 < dongs> switches are
2014-04-28T10:35:06 < dongs> like 10-15c
2014-04-28T10:35:23 < dongs> onoff in sot23
2014-04-28T10:36:07 < emeb_mac> ya
2014-04-28T10:36:12 < emeb_mac> well, gn
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2014-04-28T10:36:43 < dongs> blog on out
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2014-04-28T11:06:47 < dongs> holy shit i stole this amazing squeegee from pcb office
2014-04-28T11:11:45 < dongs> http://www.transitionautomation.com/hand.html
2014-04-28T11:11:45 < dongs> this
2014-04-28T11:11:48 < dongs> is absolutely amazing
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2014-04-28T13:11:09 < dongs> sup pros
2014-04-28T13:11:13 < dongs> commence chat
2014-04-28T13:11:29 < jpa-> chattity chat
2014-04-28T13:11:48 < dongs> http://cl.ly/image/0K0g3j3G1i2V
2014-04-28T13:13:34 < zyp> dongs, just to confirm, the connectors are ordered and I just have to wait now?
2014-04-28T13:13:48 < dongs> yes
2014-04-28T13:14:10 < zyp> ok, good
2014-04-28T13:15:05 < Steffanx> At least dongs keeps talking here :D
2014-04-28T13:17:47 < dongs> korean office is a fucking dump
2014-04-28T13:18:04 < dongs> i discovered their kitchen area just covered with like months old lunchboxes
2014-04-28T13:18:09 < dongs> in bags and just piled up in sink
2014-04-28T13:18:17 < dongs> fucking trash
2014-04-28T13:18:24 < Steffanx> Can they walk themselves yet?
2014-04-28T13:18:54 < dongs> soon
2014-04-28T13:18:56 < Steffanx> or didn't the food mutate, yet?
2014-04-28T13:19:34 < Steffanx> i wonder you own that office or ... ?
2014-04-28T13:20:39 < dongs> if I did it wouldnt be a dump
2014-04-28T13:21:18 < Steffanx> ah sure, otherwise you would've pledged so many ks projects with the now wasted money :D
2014-04-28T13:22:21 < dongs> heh
2014-04-28T13:22:31 < dongs> i got offered cto position for some upcoming dickstarter proj
2014-04-28T13:22:45 < dongs> refused cuz no time but i'll be on it as consultant
2014-04-28T13:22:50 < Steffanx> And you said yes, just to feel how it is to be a screw up?
2014-04-28T13:23:00 < dongs> if im there it wont screw up :d
2014-04-28T13:23:09 < dongs> this sihit is already way further than any dickstarter stuff
2014-04-28T13:23:14 < dongs> they have CE, FCC certs, etc.
2014-04-28T13:23:22 < dongs> properly done plastic molds, production ready pretty much
2014-04-28T13:23:29 < dongs> im just there to cost down and organize production
2014-04-28T13:23:52 < Steffanx> Oh, so their kind of just using ks as some nice marketing platform.
2014-04-28T13:24:06 < dongs> ya
2014-04-28T13:24:53 < dongs> even retail p ackaging is done
2014-04-28T13:25:09 < Steffanx> ok, so soon we'll see a linky here :)
2014-04-28T13:25:27 < karlp> they're goint to say they're further back too right, so they can make most excellent progress?
2014-04-28T13:25:40 < dongs> yeah.
2014-04-28T13:25:43 < Steffanx> Ha, that sounds like a good idea :)
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2014-04-28T13:36:07 < dongs> zyp i also found some arcin boards at the office
2014-04-28T13:36:11 < dongs> like ~10 of them
2014-04-28T13:36:21 < dongs> and a whole stack of those LPC43xx 4L's
2014-04-28T13:37:48 < zyp> the old prototype arcins?
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2014-04-28T13:37:53 < dongs> unsure
2014-04-28T13:37:57 < dongs> they were paneled
2014-04-28T13:38:03 < zyp> does the silk say v1.1?
2014-04-28T13:38:06 < dongs> 2x panel, so must have been production leftover
2014-04-28T13:38:06 < dongs> yes
2014-04-28T13:38:11 < zyp> ah, ok
2014-04-28T13:40:06 < zyp> a guy asked me the other day if I offered kits because he wanted to save money, so I sold him a couple of leftover boards and parts
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2014-04-28T13:41:31 < zyp> I think I have 20 or so of the boards left, so I guess I can just keep collecting them, and then send them back to have them assembled once I get enough to make it worth it :p
2014-04-28T13:45:22 < dongs> heh
2014-04-28T13:45:29 < dongs> i cant imagine how its saving to hand-solder that shit
2014-04-28T13:45:36 < dongs> and cutting up cut tapae and stuff
2014-04-28T13:45:44 < dongs> to make a kit
2014-04-28T13:46:33 < zyp> me neither, but that were leftovers that I'd probably never get to use for anything anyway
2014-04-28T13:47:02 < dongs> did you use lm1117 on arcin?
2014-04-28T13:47:14 < zyp> yes
2014-04-28T13:47:20 < dongs> ah thats why there was some in a bag
2014-04-28T13:47:56 < dongs> i picked up a bag of random loose no tape/etc parts that were in the area, most parts were mine but there was lm1117 and some 2pin crystals
2014-04-28T13:48:03 < dongs> 2pin xtal is yours too>?
2014-04-28T13:48:07 < zyp> probably
2014-04-28T13:48:11 < dongs> brown shit
2014-04-28T13:48:13 < dongs> kk
2014-04-28T13:48:20 < dongs> wasnt much, like < 10ea
2014-04-28T13:48:57 < dongs> i wonder if chinese can tape crystals back on reel if I send it to them
2014-04-28T13:49:03 < dongs> I have so many 3225 12mhz shits loose
2014-04-28T13:49:22 < dongs> probably few hundred easily once its all together
2014-04-28T13:49:37 < zyp> sounds like a fun job
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2014-04-28T13:51:06 < dongs> for Laurenceb_
2014-04-28T13:51:17 < Laurenceb_> wut
2014-04-28T13:51:23 < dongs> < zyp> sounds like a fun job
2014-04-28T13:51:43 < zyp> nah, he's going to place them upside down
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2014-04-28T14:46:27 < Lux> dongs, why not use a hmc5883 sensor to detect magnets ?
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2014-04-28T14:48:20 < dongs> Lux: haha
2014-04-28T14:48:29 < dongs> Lux: because i need 400 of htem
2014-04-28T14:48:32 < dongs> on the board.
2014-04-28T14:51:41 < Lux> woha, that's a lot
2014-04-28T14:52:03 < Lux> is it for mapping a magnetic field ?
2014-04-28T14:55:13 < Lux> nvm, so it's mapping 400 magnets ?
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2014-04-28T15:24:24 < dongs> yes
2014-04-28T15:25:24 < Laurenceb_> why not over 9000?
2014-04-28T15:25:29 < Laurenceb_> also how do they work?
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2014-04-28T15:38:04 < Laurenceb_> dongs: does afroesc support "simple i2c" mode with stock firmware?
2014-04-28T15:38:17 < dongs> what's "simple"? it suports MK i2c mode
2014-04-28T15:38:36 < Laurenceb_> ewww
2014-04-28T15:38:37 < dongs> but you need to flash different ID firmware if you wanna use more than one esc at a time
2014-04-28T15:38:42 < dongs> since they all default to motor #1
2014-04-28T15:38:42 < Laurenceb_> ok
2014-04-28T15:38:45 < Laurenceb_> lol
2014-04-28T15:38:49 < dongs> you probably better off using uart..
2014-04-28T15:38:50 < dongs> if you want real simple
2014-04-28T15:38:57 < Laurenceb_> does MK i2c support rpm output?
2014-04-28T15:39:01 < dongs> nope
2014-04-28T15:39:05 < Laurenceb_> doh
2014-04-28T15:39:09 < Laurenceb_> ok custom it is
2014-04-28T15:39:13 < dongs> neither does uart
2014-04-28T15:39:14 < Laurenceb_> it has xtal?
2014-04-28T15:39:20 < dongs> resonator, b ut good enough
2014-04-28T15:39:20 < Laurenceb_> for usart?
2014-04-28T15:39:23 < Laurenceb_> kk
2014-04-28T15:39:32 < dongs> uart mode will just listen
2014-04-28T15:39:40 < dongs> so you can connect one to like 4 escs
2014-04-28T15:39:42 < dongs> just TX
2014-04-28T15:40:04 < dongs> but agian I think uart still needs reflash with motor id#
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2014-04-28T16:37:04 < Tectu> did anybody use CMSIS RTOS yet?
2014-04-28T16:37:58 < dongs> rumor is it sucks
2014-04-28T16:39:06 < Tectu> but does it just describe a generic interface or does it come with some implementation as well?
2014-04-28T16:39:07 < Claude> Tectu, btw did you get em::blocks and ugfx work?
2014-04-28T16:39:31 < Tectu> Claude, yes
2014-04-28T16:39:47 < Tectu> Claude, any interests?
2014-04-28T16:39:56 < Claude> yes :)
2014-04-28T16:40:11 < Claude> thats for the stm32f4 disco with lcd?
2014-04-28T16:41:01 < Tectu> Claude, the project where I tried it was  ChibiOS/RT + ugfx on the STM32F407 with the embest LCD
2014-04-28T16:41:33 < Claude> ah okay so no readymade project for the f4-lcd-disco ?
2014-04-28T16:41:35 < Tectu> Claude, I haven't tried it with the stm32f429i disco yet
2014-04-28T16:41:39 < Tectu> Claude, not yet
2014-04-28T16:41:57 < Tectu> Claude, I got it working once but I never published anything so far - would need some major rework
2014-04-28T16:42:22 < Claude> hmm okay
2014-04-28T16:42:51 < Claude> still planning to relase some kind of ugfx lib for em::blocks ?
2014-04-28T16:43:51 < Tectu> Claude, yes, the em::blocks maintainer wants to implement an ugfx plugin into the IDE to click together your IDE:  http://www.emblocks.org/forum/viewtopic.php?f=27&t=379
2014-04-28T16:44:09 < Tectu> Claude, but I'm not sure if what you expect by "ugfx lib for emb". ugfx does not depend on an IDE
2014-04-28T16:44:45 < Tectu> dongs, the CMSIS RTOS really just is an interface description, right? And an RTOS like ChibiOS/RT or FreeRTOS does now have to implement/forward the stuff?
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2014-04-28T18:26:53 < __rob2> Hi, hoping for some help, I can't figure out whats going on. been having a problem with a programmer not working randomly, and isolated it to something to do with having a pullup on some of PBx.. no idea why
2014-04-28T18:27:56 < __rob2> so on a fully unprogrammed stm32f051R8T6, with just SWDIO/SWCLK and all power/gnd lines connected, if I start adding 150k resistors to VCC on PBx, starting at PB0 , after PB7, the programmer wont find the target anymore
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2014-04-28T18:28:41 < __rob2> it happens not just with PB7, but more the total of pins connected, then specifically which pins of PB
2014-04-28T18:28:53 < __rob2> is there any obvious reason this shouldn't work ?
2014-04-28T18:29:19 < __rob2> all pins are input, with no pull at reset, so I see no reason this should cause chip to no longer respond
2014-04-28T18:29:43 < zyp> do you still have all the power pins properly decoupled?
2014-04-28T18:29:44 < __rob2> as soon as I take out the resistor after it stops responding, it works again...
2014-04-28T18:29:56 < __rob2> yea, I have a 0.1uf on each
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2014-04-28T18:30:39 < zyp> what about the reset pin? are you touching that?
2014-04-28T18:30:50 < __rob2> well I've since added a 10k to vcc
2014-04-28T18:30:59 < __rob2> to see if that helped
2014-04-28T18:31:05 < zyp> you've added a pullup on reset?
2014-04-28T18:31:12 < __rob2> yea
2014-04-28T18:31:37 < __rob2> it says its internally pulled up though...
2014-04-28T18:31:57 < zyp> yes, it is
2014-04-28T18:32:35 < __rob2> read through just about everything I can find in the datasheets, and I can't see anything obvious
2014-04-28T18:33:40 -!- Claude is now known as claude
2014-04-28T18:33:54 < __rob2> only other thing is I have 100k pull up/pull down on the programming SWDIO/SWCLK lines
2014-04-28T18:34:18 < __rob2> http://www.keil.com/support/man/docs/ulink2/ulink2_hw_connectors.htm
2014-04-28T18:34:21 < __rob2> as suggested on here
2014-04-28T18:34:52 < __rob2> I don't see how that would have any effect however in relation to adding pullups to portb
2014-04-28T18:35:28 < zyp> shouldn't
2014-04-28T18:35:38 < zyp> have you tried multiple parts?
2014-04-28T18:35:47 < __rob2> yea, 2 different ones
2014-04-28T18:35:52 < __rob2> same order though...
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2014-04-28T18:36:04 < zyp> and are you certain your resistors are 150k?
2014-04-28T18:36:18 < __rob2> yea
2014-04-28T18:36:26 < __rob2> tripple checked that
2014-04-28T18:36:31 < zyp> also, are you sure you're providing clean power and a good ground?
2014-04-28T18:36:46 < __rob2> I have a 317 voltage regulator
2014-04-28T18:36:59 < __rob2> looks pretty clean on the scope
2014-04-28T18:37:19 < zyp> which also have a correctly sized cap?
2014-04-28T18:37:59 < __rob2> yea
2014-04-28T18:39:03 < __rob2> I'll go double check everything however..
2014-04-28T18:40:12 < zyp> everything running at 3.3V?
2014-04-28T18:40:35 < zyp> got the debugger properly hooked up ?
2014-04-28T18:41:04 < zyp> did you remember to hook up vdda?
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2014-04-28T19:26:14 < __rob2> yea, all at 3.3v
2014-04-28T19:26:19 < __rob2> vdda hooked up
2014-04-28T19:26:28 < __rob2> never seen anything like it, so simple..
2014-04-28T19:36:22 < Miek> zyp: mind having a loop over my bmp nrf51 stuff? https://github.com/miek/blackmagic/commit/b290d4b02fe03c8913d9696c509a5602ad0ad563
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2014-04-28T20:46:20 < ds2> stencils at the post office!
2014-04-28T20:46:30 < emeb> \o/
2014-04-28T20:46:35 < emeb> who'd you get them from?
2014-04-28T20:46:52 < ds2> OSH Stencils
2014-04-28T20:47:05 < ds2> paid extra for the tracking number
2014-04-28T20:47:25 < ds2> but the PCBs is running behind as the folks I am using count days differnetly
2014-04-28T20:55:13 < emeb> weekends and holidays excluded?
2014-04-28T21:00:16 < jpa-> no days in trolpril?
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2014-04-28T21:00:58 < ds2> yes
2014-04-28T21:01:25 < ds2> this is as advertised as a weekend special
2014-04-28T21:01:41 < ds2> with an option for 5 day at extra cost which I didn't take
2014-04-28T21:01:53 < ds2> so they do not count weekends, they do not count CAM time,
2014-04-28T21:02:05 < ds2> so it is turning out to be a 11-12 day turn
2014-04-28T21:02:12 < ds2> other folks include at least CAM time
2014-04-28T21:02:21 < ds2> and with they way they did it, I get slammed with 2 weekends
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2014-04-28T21:21:59 < emeb> not much faster than OSHpark 2L service.
2014-04-28T21:41:11 < ds2> yes but they take credit cards and I can go pick them up (they are local)
2014-04-28T21:41:26 < ds2> and I am getting like 90PCBs for about $150
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2014-04-28T22:19:05 < emeb> smokin' deal!
2014-04-28T22:23:28 < __rob2> is there any way with an stm32f0 I can have the usart1 peripheral continue to run even if I break into the code
2014-04-28T22:29:50 < __rob2> at least it looks like its stopping running, I have hardware flow control enabled, and still get overflows.
2014-04-28T22:29:53 < __rob2> if I break into the code
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2014-04-28T23:09:40 < Laurenceb_> omg hackday are going to space
2014-04-28T23:11:13 < gnomad> Do they actually say *how*?  I'm guessing Virgin Galactic...
2014-04-28T23:11:42 < Laurenceb_> yeah im a little confused
2014-04-28T23:11:46 < Laurenceb_> $200k is cheap
2014-04-28T23:12:00 < gnomad> in terms of marketing campaigns, sure.
2014-04-28T23:13:06 < __rob2> don't get this.. I break into my code and the my RTS line stays low..
2014-04-28T23:13:23 < __rob2> does debugging stop the usart peripheral from setting the line ?
2014-04-28T23:13:44 < gnomad> what were they asking for hack-a-day at the time of sale?  6 million or something like that?
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2014-04-28T23:24:10 < gxti> if only there were some kind of manual that one could reference
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--- Day changed Tue Apr 29 2014
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2014-04-29T00:12:53 < Fleck> https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/DMA%20Memory%20To%20UART5&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=760
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2014-04-29T06:38:07 < GargantuaSauce> http://oceancontrols.com.au/KTA-292.html
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2014-04-29T11:33:32 < vadmeste> Hello everybody. When a smartphone enters idle mode and screen becomes black, isn't that called turning backlight off ?
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2014-04-29T11:36:05 < scrts_w> vadmeste: it also turns the LCD internal logic into sleep
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2014-04-29T11:42:43 < vadmeste> scrts_w: thanks.. but I just don't understand, when I run enter sleep mode command (0x10 for my ili9341), the screen gets white and not black.. I know that white means less power consumption but I guess I should turn off all the LCD for a better energy consumption. what do you think ?
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2014-04-29T11:54:10 < emeryth> vadmeste: but the backlight isn't usually controlled by the LCD controller
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2014-04-29T11:55:30 < emeryth> in most cases you have to power it up/down manually
2014-04-29T11:56:14 < dongs> also screen could be  normally white (transparent)
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2014-04-29T11:56:19 < dongs> which is why youre seeing backlight
2014-04-29T11:56:22 < dongs> when its powered down
2014-04-29T11:56:36 < dongs> but yeah backlight is usually something separate
2014-04-29T12:23:38 < vadmeste> emm thanks, also it seems that the LCD of stm32f429-disco is powered directly from power source so no way to control it from software..
2014-04-29T12:23:48 < dongs> really?
2014-04-29T12:23:51 < dongs> backlight isnt toggleable?
2014-04-29T12:23:52 < dongs> oops.
2014-04-29T12:25:55 < vadmeste> well, there is a tiny percentage that I am wrong XD
2014-04-29T12:26:51 < dongs> schematic?
2014-04-29T12:27:18 < vadmeste> http://www.st.com/st-web-ui/static/active/en/resource/technical/layouts_and_diagrams/schematic_pack/stm32f429i-disco_sch.zip
2014-04-29T12:27:38 < dongs> yes, i mean look at it :)
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2014-04-29T14:26:21 < dongs> hmm
2014-04-29T14:26:28 < dongs> i wonderwhats on the die of stm32
2014-04-29T14:26:33 < dongs> underthe "Y" letterin MYS
2014-04-29T14:26:37 < dongs> on F103CBT6
2014-04-29T14:26:45 < dongs> when people burn these
2014-04-29T14:26:48 < dongs> thatpart explodes
2014-04-29T14:26:58 < dongs> my xray isntcareful enough to see.
2014-04-29T14:27:06 < dongs> i'd have to decap or something.
2014-04-29T14:27:19 < dongs> ive got one board wehre stm has a hole there
2014-04-29T14:27:22 < dongs> gets awfully hot
2014-04-29T14:27:23 < dongs> AND STILLW ROKS
2014-04-29T14:27:25 < dongs> WORKS
2014-04-29T14:27:26 < dongs> lol
2014-04-29T14:27:37 < dongs> at least ,uart works
2014-04-29T14:27:38 < dongs> and i2c
2014-04-29T14:47:10 < Steffanx> You blow stm32s often?
2014-04-29T14:47:56 < Steffanx> cant find pics of exploded stm32s
2014-04-29T14:50:16 < Steffanx> Where's this lettering btw dongs? I dont see MYS anywhere. It's the malysian code or something?
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2014-04-29T14:51:55 < Steffanx> anyway, it's probably the arm core looking at: http://s.zeptobars.ru/STM32F103VGT6-HD.jpg?
2014-04-29T14:53:59 < dongs> it'd be the H in CHN
2014-04-29T14:54:00 < dongs> eah
2014-04-29T14:54:03 < dongs> country code of assembly
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2014-04-29T14:54:36 < dongs> http://www.dhresource.com/albu_443271374_00-1.200x200/stm32f103cbt6-stm32f103-qfp48.jpg
2014-04-29T14:54:40 < dongs> nie fucking pic
2014-04-29T14:54:54 < dongs> Steffanx: my dumb users manage to blow 5V into I/O pins or something, before powering STM
2014-04-29T14:55:01 < dongs> which I think kills even FT pins
2014-04-29T14:55:27 < dongs> i just t ossed the 2 blown up ones
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2014-04-29T16:51:17 < Miek> did anyone else manage to confirm the broken BMP bootloader? Steffanx, gxti?
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2014-04-29T17:20:33 < Laurenceb> how can i debug watchdog resets?
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2014-04-29T17:52:40 < Laurenceb> i wonder if its f_lseek in fatfs
2014-04-29T17:52:45 < Laurenceb> anyone here used that?
2014-04-29T17:53:22 < dongs> i think i did
2014-04-29T17:53:36 < Laurenceb> ive got a 3 second watchdog
2014-04-29T17:53:40 < dongs>         f_lseek(&fp, 12); // skip header
2014-04-29T17:53:40 < dongs>         LED2_TOGGLE;
2014-04-29T17:53:43 < dongs> works 4 mne
2014-04-29T17:53:45 < Laurenceb> maybe its catching the watchdog?
2014-04-29T17:53:52 < dongs> no this shit is instant for me
2014-04-29T17:54:07 < Laurenceb> but thats a short seek
2014-04-29T17:54:11 < Laurenceb> mine is 20MB
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2014-04-29T17:56:04 < synic> Miek: it's definitely broken.  When the first one broke, I ordered another one and figured if I managed to fix the first one, I'd have an extra
2014-04-29T17:56:13 < synic> second BMP had that same problem, and I was able to fix it the same way
2014-04-29T17:56:16 < karlp> Laurenceb: I would use SWO to dump a whole heap of trace for that
2014-04-29T17:56:28 < Abhishek_> morning
2014-04-29T17:56:30 < Laurenceb> karlp: its failing about once every 100hours
2014-04-29T17:56:35 < karlp> sucks to be you.
2014-04-29T17:56:42 < Laurenceb> and when it fails i lose all the logfile
2014-04-29T17:56:49 < Laurenceb> which is weird
2014-04-29T17:56:50 < karlp> add more logging, turn up the watchdog to 1 secon, should fail faster
2014-04-29T17:56:52 < synic> kinda bugs me that gsmcmullin doesn't seem to care
2014-04-29T17:57:01 < Laurenceb> it crews the entire filesystem
2014-04-29T17:57:06 < Laurenceb> i have to reformat
2014-04-29T17:57:17 < Miek> synic: yeah, that's why i asked - i was thinking about posting on the issue again
2014-04-29T17:57:28 < Miek> i was hoping he would've commented by now
2014-04-29T17:57:47 < Laurenceb> karlp: yeah but theres other stuff that delays for 1 second
2014-04-29T17:57:58 < karlp> make it not do that :)
2014-04-29T17:58:03 < Laurenceb> i guess i could stick a second device there
2014-04-29T17:58:09 < Laurenceb> to log the first device
2014-04-29T17:58:52 < Laurenceb> all i know is that its killed by the watchdog
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2014-04-29T17:59:57 < dongs> bmp bootloader is fucking spyware
2014-04-29T18:00:06 < dongs> it locks itself and re-locks itself on each boot
2014-04-29T18:00:08 < dongs> annoying as FUCK
2014-04-29T18:00:29 < dongs> ive got like 3 trashed bmp clones here because I flashed a garbage bootloader on them and i cant fucking erase the chips
2014-04-29T18:00:47 < dongs> because first thing that shit does is locks itself
2014-04-29T18:00:50 < synic> huh, at least with these two, I was able to reflash to my heart's content
2014-04-29T18:01:18 < Laurenceb> f_lseek is going to do like loads of read writes to the card right?
2014-04-29T18:01:34 < dongs> .. why would it ever write
2014-04-29T18:01:35 < Laurenceb> unless i use fast seek?
2014-04-29T18:01:37 < Laurenceb> http://elm-chan.org/fsw/ff/en/lseek.html
2014-04-29T18:01:47 < Laurenceb> erm reads
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2014-04-29T18:03:09 < Miek> i've had no issues with the bootloader locking either
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2014-04-29T18:15:43 < Laurenceb> i guess i can test this
2014-04-29T18:16:01 < Laurenceb> do a ton of f_lseek and look at a timing histogram
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2014-04-29T18:40:12 < emeb> built the STM32F373 USB VCOM demo for my little F373 breakout. Binary size = 8456
2014-04-29T18:40:49 < emeb> same function w/ zyp's laks - binary size = 4880
2014-04-29T18:43:46 < jpa-> not surprised
2014-04-29T18:44:00 < jpa-> i'm still totally amazed why every other usb stack is such a mess
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2014-04-29T18:45:47 < zyp> emeb, and a fairly huge part of that is the logging stuff
2014-04-29T18:46:04 < zyp> if you comment out that it gets even smaller
2014-04-29T18:46:50 < zyp> (commenting out the contents of the function body of RBLog::log() is the fastest way to test that)
2014-04-29T18:47:39 < emeb> zyp: cool
2014-04-29T18:48:09 < zyp> I'm interested in the number for comparison, in case you decide to test that ;)
2014-04-29T18:50:11 < tonyarkles> zyp: I haven't been following along here... am I reading this right that you've got an alternate usb stack?
2014-04-29T18:50:27 < zyp> yes
2014-04-29T18:50:32 < tonyarkles> i've been going through the stm32 example code recently and am not particularly impressed :)
2014-04-29T18:51:04 < zyp> I weren't either, so I started doing everything from scratch
2014-04-29T18:51:19 < tonyarkles> hahahaha this sounds familiar :D
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2014-04-29T18:51:37 < emeb> zyp: didn't make any difference
2014-04-29T18:51:40 < tonyarkles> i started digging through the datasheet the other night but fell asleep
2014-04-29T18:52:33 < Alexer> tonyarkles, the usb part of the datasheet is hell
2014-04-29T18:52:38 < zyp> emeb, huh? that's strange
2014-04-29T18:52:40 < tonyarkles> Alexer: it sure is
2014-04-29T18:52:42 < Alexer> a special hell
2014-04-29T18:52:45 < tonyarkles> ahahaha
2014-04-29T18:52:53 < zyp> Alexer, which of them?
2014-04-29T18:53:07 < Alexer> OTG_FS
2014-04-29T18:53:16 < zyp> the dwc_otg chapter is a handful, but the device-only core is nice and easy
2014-04-29T18:53:17 < Alexer> I haven't looked at the earlier - yet
2014-04-29T18:53:24 < emeb> zyp: this right? http://pastebin.com/69DNk6me
2014-04-29T18:53:38 < zyp> yes, that's what I meant
2014-04-29T18:53:44 < zyp> hmm, strange
2014-04-29T18:53:56 < emeb> any chance I need to do a make clean equiv?
2014-04-29T18:54:02 < zyp> I did that once when I measured bootloader size, and it made a huge difference
2014-04-29T18:54:12 < zyp> you shouldn't really, but it's «scons -c»
2014-04-29T18:54:35 < emeb> yep - no diff
2014-04-29T18:55:04 < zyp> tonyarkles, http://cgit.jvnv.net/laks/tree/ <- my lib here
2014-04-29T18:55:10 < emeb> must not be doing logging in this example
2014-04-29T18:55:12 < zyp> http://cgit.jvnv.net/laks_demo/tree/ <- usage examples in the various branches here
2014-04-29T18:55:50 < zyp> some features more polished than others, they get added as I need them :)
2014-04-29T18:56:13 < zyp> emeb, the usb stack is logging a bunch of events
2014-04-29T18:56:24 < dongs> the problem with zyp usb stack is it requires some newfag c++ that nobody else uses :)
2014-04-29T18:56:44 < zyp> that's true
2014-04-29T18:57:24 < tonyarkles> zyp: i found it on github... the jvnv link is the definitive one though?
2014-04-29T18:57:43 < dongs> you did?
2014-04-29T18:57:48 < dongs> someone probably  cloned it
2014-04-29T18:57:53 < zyp> the github one is a mirror
2014-04-29T18:58:09 < tonyarkles> awesome, bookmarked the main one
2014-04-29T18:58:29 < zyp> I think I added some auto sync that updates github whenever I update the main repo after somebody complained about the github one being out of date
2014-04-29T18:59:32 < Alexer> regarding the ST's own usb stack being crappy, one of my personal favourites are things like this:
2014-04-29T18:59:35 < Alexer> doepctl.d32 = USB_OTG_READ_REG32(&pdev->regs.OUTEP_REGS[0]->DOEPCTL);
2014-04-29T18:59:38 < Alexer> doepctl.b.epena = 1;
2014-04-29T18:59:40 < Alexer> doepctl.d32 = 0x80008000;
2014-04-29T18:59:48 < zyp> that's not ST code, that's synopsys code
2014-04-29T18:59:54 < zyp> I believe
2014-04-29T19:00:14 < Alexer> o.O
2014-04-29T19:00:16 < Alexer> okay
2014-04-29T19:00:17 < tonyarkles> :D
2014-04-29T19:00:43 < Alexer> still, it's the one they're linking to!!1
2014-04-29T19:00:55 < zyp> yep
2014-04-29T19:00:59 < Alexer> *coughs*
2014-04-29T19:01:49 < zyp> why write their own example code when they can get that from synopsys along with the core they licensed? :p
2014-04-29T19:02:37 < emeb> It's from Synopsys so it must be good!
2014-04-29T19:05:02 < tonyarkles> hahahaha you guys have no idea how happy this conversation makes me
2014-04-29T19:05:15 < tonyarkles> i picked up a stm32f4 discovery board on a whim a month or two ago
2014-04-29T19:05:31 < dongs> be happy you didnt pickup arduino DUE
2014-04-29T19:05:35 < tonyarkles> i've been out of the embedded world for a few years and wanted to see what this arm stuff is all about
2014-04-29T19:05:51 < emeb> zyp: studying the ACM example more closely. Amazed at the top-level simplicity.
2014-04-29T19:06:22 < emeb> Am I right that the all the customization needed to implement the class is just in the main.cpp?
2014-04-29T19:06:26 < tonyarkles> and i'm super impressed with how far things have come (i did most of my stuff on atmega16s, before arduino was "a thing")
2014-04-29T19:06:28 < zyp> emeb, yes
2014-04-29T19:06:35 < tonyarkles> but wow, the examples just made me cringe
2014-04-29T19:07:28 < emeb> zyp: what does cmd.cpp do?
2014-04-29T19:07:37 < zyp> huh?
2014-04-29T19:08:18 < zyp> I don't think I've ever made a cmd.cpp
2014-04-29T19:08:54 < emeb> this is ancient code you gave me back in Dec 2012
2014-04-29T19:09:15 < zyp> I seem to recall that somebody else talked about adding a command shell to it though, but I forgot who
2014-04-29T19:09:18 < zyp> maybe you? :p
2014-04-29T19:09:32 < emeb> maybe. don't remember
2014-04-29T19:10:01 < zyp> I assume that you started out from this: http://cgit.jvnv.net/laks_demo/tree/main.cpp?h=usb_cdc_acm
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2014-04-29T19:10:13 < zyp> and I don't know what else you've done to it :)
2014-04-29T19:10:33 < emeb> zyp: I wouldn't have touched it myself - not that confident in c++
2014-04-29T19:11:18 < aadamson> Ok, I need a hopefully simple education... I have a dual dma/irq usart driver for USART1, the driver works just fine.  I need to however start it up, at 9600 baud, then issue a command to a GPS to switch it to something faster, then adjust the driver to the new baud.  Is that easy or hard?
2014-04-29T19:11:40 < emeb> looks like it just sits between the USB input buffer and copies to the USB output buffer
2014-04-29T19:11:42 < dongs> aadamson: my code does it
2014-04-29T19:11:51 < aadamson> oh, really, in baseflight?
2014-04-29T19:11:53 < dongs> yeah
2014-04-29T19:11:56 < dongs> copypaste clickclick
2014-04-29T19:11:58 < aadamson> ok, I'll go check thanks
2014-04-29T19:12:04 < aadamson> *gotta love it* :)
2014-04-29T19:12:16 < aadamson> this is for an L1, so I may have to diddle a few things, but I think I can handle that
2014-04-29T19:12:25 < aadamson> got a link to the repo?
2014-04-29T19:12:49 < dongs> https://github.com/multiwii/baseflight/blob/master/src/gps.c#L125
2014-04-29T19:13:26 < aadamson> Thanks dongs
2014-04-29T19:15:11 < dongs> lol guise. realize beaky is a fucking retarded troll and stop chatting to him
2014-04-29T19:15:40 < aadamson> yeah I know, feed the nutcase, it's always more fun
2014-04-29T19:15:44 < aadamson> troll the troller
2014-04-29T19:29:59 < Miek> hi friend
2014-04-29T19:30:04 < aadamson> hey dong... *maybe* there is an arduino in this - https://www.indiegogo.com/projects/autoblow-2-a-realistic-robotic-oral-sex-simulator-for-men#home
2014-04-29T19:30:04 < aadamson> most bizarre
2014-04-29T19:30:04 < aadamson> OMG, there are even youtube videos... lol
2014-04-29T19:30:48 < Steffanx> tried google? :P
2014-04-29T19:31:28 < Steffanx> Miek, i didn't try the bootloader.
2014-04-29T19:31:41 < Steffanx> Mine works and i've no idea how to flash a new one ;)
2014-04-29T19:31:57 < Miek> hehe, fair enough :)
2014-04-29T19:32:29 < gxti> Miek: i couldn't confirm bootloader because i couldn't get the f***ing thing to erase
2014-04-29T19:32:35 < gxti> and was too lazy to switch to stlink
2014-04-29T19:32:41 < Steffanx> your in the same boat as dongs, gxti
2014-04-29T19:32:55 < gxti> yeah except he has Real Pro Tools and still can't figure it out
2014-04-29T19:33:50 < gxti> for some reason i tried to get busblaster+openocd working which is a complete waste of time, should have just used the f4disco's stlink
2014-04-29T19:35:13 < gxti> i really can't do anything with openocd unless it ships with an already-functioning config file, configuring it is totally mystifying
2014-04-29T19:35:40 < gxti> there's a reason why i haven't touched any of this since i built my first BMP
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2014-04-29T19:41:57 < SlaveToTheSauce> never change
2014-04-29T19:42:06 < dongs> < gxti> Miek: i couldn't confirm bootloader because i couldn't get the f***ing thing to erase
2014-04-29T19:42:10 < dongs> THIS
2014-04-29T19:42:30 < qyx_> just use 12V on vdd
2014-04-29T19:42:35 < gxti> couldn't your super pro keil craps do basic stuff like clear lock bits
2014-04-29T19:42:50 < dongs> it can, but not when firmware acts like a fucking virus
2014-04-29T19:43:01 < gxti> pretty weak
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2014-04-29T19:46:35 < Miek> i just attached a jlink and ran "loadbin" ??
2014-04-29T19:46:49 < Miek> easy :>
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2014-04-29T21:56:47 < emeb> zyp: me = derp - I wasn't looking at the right binary earlier
2014-04-29T21:56:58 < emeb> removing the rblog stuff reduces it to 3200
2014-04-29T22:15:31 < Steffanx> still nice though :)
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2014-04-29T22:28:31 < emeb> absolutely
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2014-04-29T23:09:11 < zyp> :)
2014-04-29T23:11:04 < emeb> zyp: trying to bend that cdc acm demo to do audio midi
2014-04-29T23:11:26 < zyp> that's just a bunch of work with the descriptors
2014-04-29T23:11:32 < emeb> that's what I thought
2014-04-29T23:13:34 < emeb> may need to create some new stuff in descriptor.h for the specific MIDI descriptors
2014-04-29T23:14:58 < emeb> appendix B of this -> http://www.usb.org/developers/devclass_docs/midi10.pdf has an example...
2014-04-29T23:16:40 < karlp> emeb: someone just submitted libopencm3 midi class stuff, they might hve the descriptors figured out well enough to crib from?
2014-04-29T23:16:52 < karlp> I know laks does it a bit differentl/betterly of course...
2014-04-29T23:16:55 < zyp> yeah, or you can get lazy and just make a binary array and stuff into
2014-04-29T23:17:10 < zyp> descriptors are just static bytes in the end anyway
2014-04-29T23:17:42 < emeb> karlp: thx - I'll take a look at that.
2014-04-29T23:18:15 < emeb> zyp: the initializers you made are nice though - figuring out all the lengths & defaults, etc.
2014-04-29T23:18:57 < zyp> just a bit tedious to make just for experimentation
2014-04-29T23:19:46 < zyp> http://cgit.jvnv.net/laks_demo/tree/main.cpp <- I got tired when I did the other audio stuff and got lazy after doing the first properly :p
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2014-04-29T23:21:56 < zyp> anyway, if you end up doing it properly, I can have it included in the library
2014-04-29T23:22:08 < zyp> descriptor.h should probably be split into the generic and class specific headers
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2014-04-29T23:25:08 < emeb> zyp: thx for the example. good point that it's easier to brute-force at the beginning
2014-04-29T23:26:16 < zyp> also, I'm not sure I'll keep the current descriptor model in the future
2014-04-29T23:27:28 < zyp> it's a bit impractical for multispeed devices, i.e. HS devices which may enumerate in FS mode
2014-04-29T23:27:51 < zyp> because the rules for HS and FS are different, which leads to different descriptors for each mode
2014-04-29T23:28:34 < emeb> I see
2014-04-29T23:28:37 < zyp> so I've been thinking about a way to generate them dynamically rather than having static hardcoded descriptors
2014-04-29T23:28:49 < emeb> that's an interesting idea
2014-04-29T23:29:29 < zyp> another nice thing is that I might avoid having to touch the descriptors by hand at all, you just instance class drivers, and they add the necessary descriptors themselves
2014-04-29T23:31:05 < emeb> better still
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2014-04-30T01:16:31 < emeb> zyp: any chance you could look at my descriptors?
2014-04-30T01:16:38 < zyp> yep
2014-04-30T01:16:55 < emeb> I've got it enumerating, but linux thinks that interface 1 has 0 endpoints
2014-04-30T01:17:18 < zyp> you have to set bNumEndpoints in the interface descriptor to the correct number
2014-04-30T01:17:55 < emeb> yes - it's set to 2 in the descriptors, but linux thinks it's 0
2014-04-30T01:18:01 < emeb> http://pastebin.com/QBytTcsu
2014-04-30T01:19:06 < emeb> this is based on the example in appendix B of the USB Midi doc -> http://www.usb.org/developers/devclass_docs/midi10.pdf
2014-04-30T01:19:11 < zyp> NAME   SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
2014-04-30T01:19:11 < zyp> zp0   21.8T  10.8T  11.0T    49%  1.00x  DEGRADED  -
2014-04-30T01:19:18 < zyp> hups, wrong button
2014-04-30T01:20:44 < emeb> one thing I can't figure out - why their example has wTotalLength in asd set to 0x0041
2014-04-30T01:23:32 < zyp> you have bLength wrong in ajidi/ajide
2014-04-30T01:23:54 < zyp> that'll fuck up the descriptor parser before it gets to the endpoint
2014-04-30T01:24:44 < emeb> indeed - let's see what happens...
2014-04-30T01:25:55 < emeb> that was it!
2014-04-30T01:26:15 < emeb> endpoints show up and alsa shows the device in aconnect now
2014-04-30T01:26:32 < zyp> looks like wTotalLength includes both asd itself and all the next descriptors including endpoints
2014-04-30T01:26:40 < zyp> because those are 65 bytes in total
2014-04-30T01:27:07 < emeb> that's what I was thinking, but apparently I can't add. :P
2014-04-30T01:27:09 < zyp> not sure what the purpose of that is, but I guess that's how it is
2014-04-30T01:27:41 < emeb> now need to route some data out to the device and see if it does anything...
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2014-04-30T01:30:09 < emeb> sorta worked - LED flashed on/off once.
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2014-04-30T01:30:47 < emeb> that's a start I guess...
2014-04-30T01:31:35 < zyp> I'm guessing you don't want to echo back everything, so you might want to remove that part and do the OUT direction only
2014-04-30T01:32:17 < emeb> yeah - I was thinking the same thing
2014-04-30T01:33:14 < emeb> yep - continuous data now
2014-04-30T01:33:54 < emeb> now I need  to write some code to do things with what comes out of the OUT endpoint...
2014-04-30T01:34:17 < emeb> probably just a simple parser to text and spew out on the serial port.
2014-04-30T01:34:32 < zyp> turning it into proper midi isn't much harder than piping it to an uart
2014-04-30T01:34:45 < emeb> have to remove the first byte
2014-04-30T01:34:56 < zyp> yeah
2014-04-30T01:34:57 < emeb> USB MIDI prepends a "cable" value
2014-04-30T01:35:20 < zyp> but that's not much harder, since it comes framed and all ;)
2014-04-30T01:35:44 < emeb> separate packets for every msg I guess?
2014-04-30T01:36:17 < zyp> I don't remember, I think it's allowed to put multiple packets in the same frame
2014-04-30T01:36:22 < emeb> so now I have to figure out how to turn on a usart with laks. :)
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2014-04-30T01:36:29 < zyp> but I also think messages have to follow frame boundaries
2014-04-30T01:36:35 < emeb> right
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2014-04-30T01:37:06 < emeb> serial MIDI uses the msbit to signify cmd/data
2014-04-30T01:37:20 < emeb> so it's pretty easy to find the boundaries.
2014-04-30T01:37:21 < zyp> hmm, the usart classes actually have an enable() method
2014-04-30T01:37:35 < zyp> so if it still works for your chip, you can just call that
2014-04-30T01:37:47 < zyp> ref. http://cgit.jvnv.net/laks/tree/usart/usart.h
2014-04-30T01:38:03 < zyp> usart_enable() is a legacy function to support some old code
2014-04-30T01:39:06 < emeb> still need to set up the gpio
2014-04-30T01:39:51 < zyp> hmm
2014-04-30T01:40:30 < zyp> http://paste.jvnv.net/view/AVj74 <- I wrote this recently, to use RS485 on f3disco
2014-04-30T01:41:01 < emeb> that's a helpful start
2014-04-30T01:42:54 < zyp> just ignore the bits to enable driving the tx enable on the rs485 transceiver ;)
2014-04-30T01:44:32 < emeb> yeah
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2014-04-30T02:08:06 < emeb> zyp: am I remembering correctly - byte data isn't packed into your uint32_t i/o buffers in laks?
2014-04-30T02:09:21 < zyp> huh?
2014-04-30T02:09:54 < zyp> with regards to usb transmission/reception?
2014-04-30T02:10:22 < emeb> the usb.read() and usb.write() methods have buffers of uint32_t in/out
2014-04-30T02:10:29 < zyp> disregard the fact that the usb api operates with 32 bit pointers, they should really be void pointers
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2014-04-30T02:11:10 < zyp> it just started out that way since I'm always writing 32-bit pointers into the dwc_otg fifo, and I haven't changed the api since
2014-04-30T02:11:32 < emeb> so the length return value for usb.read() is in bytes?
2014-04-30T02:11:36 < zyp> yes
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2014-04-30T02:11:51 < zyp> and you probably want to cast the pointer to an uint8_t pointer
2014-04-30T02:11:59 < emeb> OK - doing that already
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2014-04-30T02:12:34 < emeb> 						uint8_t *ptr = (uint8_t *)buf;
2014-04-30T02:12:34 < emeb> 						while(r_len--)
2014-04-30T02:12:34 < emeb> 							USART2.send(*ptr++);
2014-04-30T02:12:52 < emeb> to send bytes to the USART
2014-04-30T02:13:27 < zyp> yeah, that looks ok
2014-04-30T02:25:10 < emeb> hmm... not seeing the USART wake up (TX pin stays low) and when data arrives then execution hangs in the usart.send() routine waiting for TXE
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2014-04-30T02:40:38 < zyp> using enable() or setting CR1 manually?
2014-04-30T02:41:37 < zyp> I'm not sure the bits set by enable() is right for newer stm32 chips, so check the RM
2014-04-30T02:41:53 < zyp> also, remember RCC for everything :p
2014-04-30T02:42:49 < emeb> RCC.enable(USART2) is being done
2014-04-30T02:43:09 < emeb> and setting the USART2.CR1 bits manually - the .enable() method is setting them wrong.
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2014-04-30T02:57:45 < emeb> zyp: what determines the order of the registers?
2014-04-30T02:58:03 < emeb> looks like the register definition is in the wrong order for the F373
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2014-04-30T03:09:18 < emeb> zyp: redefining the USART register packing for the F373 appears to have worked.
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2014-04-30T03:25:40 < zyp> ah, I might have that change locally
2014-04-30T03:26:16 < zyp> yep
2014-04-30T03:30:49 < emeb> np - working now
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2014-04-30T03:31:18 < emeb> converting to ascii hex w/ CR/LF @ end of buffer - looks like good MIDI data.
2014-04-30T03:31:42 < emeb> bmp2 serial input port FTW!
2014-04-30T03:31:48 < zyp> :)
2014-04-30T03:33:06 < emeb> now if I want to get _really_ fancy I can add MIDI message handling and generate analog CV outputs + gates.
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2014-04-30T03:34:12 < emeb> F373 has 3 DACs, so that's pretty doable. Only 12-bits though, so not good enough resolution for decent pitch control
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2014-04-30T03:35:39 < zyp> maybe fast enough to dither?
2014-04-30T03:35:56 < emeb> maybe
2014-04-30T03:36:36 < emeb> put a timer ISR on it and PWM between adjacent values? add some LPF on the buffer amps. Might work.
2014-04-30T03:36:58 < emeb> depends on how linear the DACs are though - if the steps aren't even then it'll fail.
2014-04-30T03:37:08 < zyp> true
2014-04-30T03:37:25 < zyp> oh well, bedtime here, have fun
2014-04-30T03:37:32 < emeb> thanks for the help & the code.
2014-04-30T03:37:41 < emeb> this ended up being easier than I thought.
2014-04-30T03:37:48 < zyp> no problem, it's fun to see it being used :)
2014-04-30T03:42:14 < dongs> zyp: just got email that headers are indeed ordered
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2014-04-30T08:53:57 < emeb_mac> *crickets*
2014-04-30T08:54:23 -!- Devilholk [~devilholk@luder.nu] has quit [Ping timeout: 240 seconds]
2014-04-30T08:57:45  * ds2 flumigates the channel
2014-04-30T08:58:06  * emeb_mac wonders what flumigate means
2014-04-30T08:58:56 < ds2> fumigate
2014-04-30T08:59:08 < dongs> dicks
2014-04-30T08:59:12 < dongs> i mean hi
2014-04-30T08:59:41 < emeb_mac> dicks, dongs - all the same
2014-04-30T09:00:04 < emeb_mac> crickets are all dead now
2014-04-30T09:00:17 < dongs> pretty much
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2014-04-30T09:11:10 < emeb_mac> so what's the conventional wisdom on getting USB vendor ID?
2014-04-30T09:11:41 < emeb_mac> for a small company with small production is it necessary? Are there some common ID values that can be used?
2014-04-30T09:14:23 < PaulFertser> emeb_mac: free hardware or not?
2014-04-30T09:14:34 < emeb_mac> PaulFertser: not free
2014-04-30T09:15:06 < PaulFertser> emeb_mac: no idea then, for free hardware one can get leftovers from openmoko.
2014-04-30T09:15:28 < emeb_mac> PaulFertser: ah yes - ISTR hearing about that
2014-04-30T09:15:39 < emeb_mac> in fact, the BMP uses an openmoko ID
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2014-04-30T09:30:38 < emeb_mac> yeah, looks like if you want to be legit it's gonna cost you $5k for a VID
2014-04-30T09:31:02 < emeb_mac> only way around that is to use pre-made devices, ie FTDI, etc.
2014-04-30T09:36:29 < DanteA> Yeah
2014-04-30T09:38:52 < DanteA> Or you can just take some unuseful vid/pid of some rare device, and forget the usb if tax.
2014-04-30T09:39:53 < emeb_mac> I saw some suggestions along that line - parse the linux USB driver tables for VIDs of dead companies and use those.
2014-04-30T09:41:35 < DanteA> Yeah, I think, it be a best choose for small number of devices.
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2014-04-30T10:28:29 < dongs> finding dead tech companies isnt hard
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2014-04-30T11:21:14 < edmont> hi
2014-04-30T11:22:44 < edmont> do you think it is possible to measure a sine wave frequency with the analog comparator?
2014-04-30T11:22:53 < edmont> in the range of 50-60 Hz
2014-04-30T11:38:10 < gnomad> PaulFertser: http://www.mcselec.com/index.php?page=shop.product_details&flypage=shop.flypage&product_id=92&option=com_phpshop&Itemid=1
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2014-04-30T11:43:25 < PaulFertser> gnomad: interesting. Do you mean they can revoke openmoko's vid too? Doesn't matter anyway for all practical purposes.
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2014-04-30T11:48:37 < dongs> PaulFertser: yeah i remember the revoke stink from mcs
2014-04-30T11:49:00 < dongs> oh well
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2014-04-30T14:39:37 < dongs> http://pics.nase-bohren.de/great-idea.jpg
2014-04-30T14:40:41 < Steffanx> Can i say it dongs?
2014-04-30T14:40:44 < Steffanx> OOOOOOLD :P
2014-04-30T14:41:26 < Laurenceb__> shopped
2014-04-30T14:41:47 < Steffanx> maybe that too
2014-04-30T14:42:25 < dongs>  shopped to do wehat
2014-04-30T14:42:27 < dongs> what
2014-04-30T14:47:00 < Steffanx> it's not shopped Laurenceb__, its a joke of one of the fireman.
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2014-04-30T16:21:47 < aadamson> Dongs, must be more magic around changing the baud on the fly that just doing the reInit on the usart.  I followed your code back through and it's pretty similar to mine... I was doing the same thing.
2014-04-30T16:21:51 < aadamson> But here's the catch
2014-04-30T16:22:05 < aadamson> I have to send a string to the gps to cause it to switch baud.
2014-04-30T16:22:20 < dongs> right
2014-04-30T16:22:24 < aadamson> even waiting for TC or TXE, and then doing the reinit
2014-04-30T16:22:27 < dongs> my code does very similar shit
2014-04-30T16:22:34 < aadamson> something still hasn't finished the write to the gps
2014-04-30T16:22:53 < aadamson> because the code switches baud, but the gps didn't finish getting the final bits of the send
2014-04-30T16:23:02 < aadamson> I've tried just about everything
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2014-04-30T16:23:20 < aadamson> if I delay(50) it will work everytime, but who want's to always block for 50ms
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2014-04-30T16:23:36 < aadamson> if I wait for idle, it will work the first time, but not the second.
2014-04-30T16:23:39 < aadamson> very strange
2014-04-30T16:23:48 < aadamson> I've tried waiting for the dma and the usart TC
2014-04-30T16:24:20 < dongs> < aadamson> something still hasn't finished the write to the gps
2014-04-30T16:24:23 < dongs> that cant be right
2014-04-30T16:24:44 < aadamson> I know, but why does the delay always work and yet waiting for TC/TXE doesn't
2014-04-30T16:25:02 < aadamson> and what happens is the gps stays at the old baud and the application switches
2014-04-30T16:25:05 < aadamson> unless I delay
2014-04-30T16:25:08 < dongs> are you sure youre waiting on right stuff? tried a led before/after wait to see if there's any actual delay
2014-04-30T16:25:27 < aadamson> going to dig a bit deeper today and will do as above
2014-04-30T16:25:47 < aadamson> I did add a counter to see if it was actually looping on the check to TXE and it was
2014-04-30T16:25:59 < aadamson> TC never incremented the counter *for some reason*
2014-04-30T16:26:23 < dongs> this is DMA?
2014-04-30T16:26:33 < aadamson> yes, DMA/IRQ/USART1
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2014-04-30T16:26:52 < aadamson> and I've tried waiting for the TC on DMA too, no difference
2014-04-30T16:27:25 < dongs> well, thats where you should be waiting for it
2014-04-30T16:27:34 < dongs> hm, or maybe not
2014-04-30T16:27:39 < dongs> isnt there some "uart is idle" bit
2014-04-30T16:27:45 < aadamson> there is
2014-04-30T16:27:52 < dongs> and? :)
2014-04-30T16:27:56 < aadamson> you can wait for USART_FLAG_IDLE
2014-04-30T16:28:09 < aadamson> and that works *the first time*, but I can't get it to repeat
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2014-04-30T16:28:33 < aadamson> the gps is turned off and on during the sessions to save power
2014-04-30T16:28:48 < aadamson> and when it comes back up it needs to be re-baud'd and thats what isn't working the second time
2014-04-30T16:29:03 < aadamson> oh... but wait
2014-04-30T16:29:07 < aadamson> I know what the problem is
2014-04-30T16:29:08 < aadamson> duh
2014-04-30T16:29:25 < aadamson> so I start at 9600 - switch to 115200....gps restarts at 9600
2014-04-30T16:29:42 < aadamson> and I send commends to rebaud at 115200 because I didn't step back down to 9600
2014-04-30T16:29:44 < aadamson> duh!!!
2014-04-30T16:29:49 < dongs> teehee.
2014-04-30T16:30:07 < dongs> why do you bother rebaud? is it nmea? just do same shit I do, autodetect wahtever its outputting
2014-04-30T16:30:10 < aadamson> I knew it had to be something
2014-04-30T16:30:30 < aadamson> is that in that code you referenced yesterday - your autobaud stuff?
2014-04-30T16:31:23 < dongs> yeah gps thread waits for some data, if it doenst get anything useful it just tries next baudrate until it does
2014-04-30T16:31:36 < aadamson> ok, I'll relook at that.
2014-04-30T16:31:53 < aadamson> hey, thanks for the few minutes, helped just splaining it and then the duh moment :)
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2014-04-30T16:35:32 < aadamson> anyone been to an st seminar... they are coming to ATL to talk lp f4 - 401 and I got an invite, wondering if it would be intersting or not, hey you get a free discovery for attending
2014-04-30T16:41:18 < Steffanx> iirc Laurenceb__ had plans to go, go meet him :P
2014-04-30T16:41:37 < aadamson> hehe... yeah he's in the uk, but that would be fun
2014-04-30T16:42:02 < Steffanx> aren't you from the uk as well?
2014-04-30T16:42:09 < aadamson> atlanta
2014-04-30T16:42:27 < aadamson> georgia, usa
2014-04-30T16:42:56 < Steffanx> oh, i thought you were from ukland too, because those are into #highaltitude much.
2014-04-30T16:43:05 < Steffanx> *they
2014-04-30T16:43:12 < aadamson> nah, just side fun
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2014-04-30T16:46:16 < aadamson> ah, even better, that one is just down the road a ways from me... I think I'll register and go.. not til jun, but hey sounds interesting and if boring... oh well
2014-04-30T16:47:18 < englishman> i think i'll go to the one in my town
2014-04-30T16:47:22 < englishman> low power DSP seminar
2014-04-30T16:47:33 < englishman> and free f4disco
2014-04-30T16:49:45 < aadamson> there ya go same one I'm going too
2014-04-30T16:50:32 < englishman> need to find a laptop i guess
2014-04-30T16:50:33 < Steffanx> too bad there are no things like that even close to me.
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2014-04-30T16:50:49 < Steffanx> Close as in < 300km away.
2014-04-30T16:52:01 < karlp> aadamson: yeah, autobauding should work well if you have a known data source spititng out data
2014-04-30T16:52:24 < aadamson> karlp, thanks, yeah I'm going to look into that
2014-04-30T16:54:21 < Laurenceb__> i have afro ESCs
2014-04-30T16:54:26 < __rob2> whats the instruction to cause a hard fault ?
2014-04-30T16:54:27 < Laurenceb__> getting trolled by dongs irl
2014-04-30T16:54:38 < Laurenceb__> these things are CE tested, mental
2014-04-30T16:54:47 < Steffanx> fake CE thing?
2014-04-30T16:54:51 < Steffanx> *logo
2014-04-30T16:54:51 < Laurenceb__> hah
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2014-04-30T16:57:30 < Steffanx> you want to generate a hard fault __rob2 ?
2014-04-30T16:59:37 < Laurenceb__> ewwwwwwwww
2014-04-30T16:59:43 < Laurenceb__> time for avr tools
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2014-04-30T17:11:33 < __rob2> well, really only for debug
2014-04-30T17:11:39 < __rob2> I have a hardfault handler already
2014-04-30T17:12:17 < __rob2> I thought it would be handy to have any other issues (like queue full or something) call that too
2014-04-30T17:13:33 < __rob2> I guess I can just call it
2014-04-30T17:13:52 < __rob2> or deference a null pointer
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2014-04-30T18:28:29 < dongs> hmpf
2014-04-30T18:30:23 < dongs> nds355ap, 0.3ohm rdson. conected to highside of sdcard as power switch. gpio goes direct to stm32. when on, shit only has like 2.2V getting to the card
2014-04-30T18:30:26 < dongs> what gives?
2014-04-30T18:31:17 < dongs> ive used same shit before to turn on/off 5V but I had a pfet in front of that to drive the gate to 5V (because myt io was 3.3V) but this time gate/source is 3.3V so it should.. work?
2014-04-30T18:31:35 < zyp> is this nfet or pfet?
2014-04-30T18:31:44 < dongs> 355ap is p
2014-04-30T18:32:17 < zyp> hmm, got a datasheet? google isn't turning up anything useful
2014-04-30T18:32:17 < dongs> wiht 0.3ohm i wouldnt expect like 1V voltage drop
2014-04-30T18:32:22 < dongs> http://www.fairchildsemi.com/ds/ND/NDS356AP.pdf
2014-04-30T18:32:26 < dongs> oh, 356ap sorry.
2014-04-30T18:33:00 < zyp> 0.3 is for Vgs = -4.5V
2014-04-30T18:33:32 < zyp> and you have -3.3V or something
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2014-04-30T18:34:58 < dongs> shitty
2014-04-30T18:35:24 < zyp> see figure 1 in datasheet
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2014-04-30T18:36:53 < dongs> -1at -3.3V?
2014-04-30T18:37:27 < dongs> well, cocks
2014-04-30T18:37:40 < dongs> so i geuss i need nfet in front of it then
2014-04-30T18:38:01 < zyp> dunno if that's going to help
2014-04-30T18:39:05 < zyp> if you're going with nfet for high side switching, you're going to need an even higher voltage at the gate to turn it on
2014-04-30T18:39:16 < dongs> no i mean
2014-04-30T18:39:21 < dongs> nfet to turn on pfet gate
2014-04-30T18:40:15 < zyp> probably won't make a difference, you're not switching fast so there's no significant current on the gpio pulling it up from 0
2014-04-30T18:40:40 < dongs> this worked when i was switching 5V w/3.3V gpio
2014-04-30T18:40:59 < dongs> both p/n drains were connected to 5V
2014-04-30T18:43:30 < dongs> so wat, i have to find a less shitty pfet?
2014-04-30T18:43:38 < dongs> (dont realyl want to)
2014-04-30T18:43:53 < Lux> would probably be better
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2014-04-30T18:44:17 < zyp> maybe you just found a particularly shitty part, try replacing it
2014-04-30T18:44:27 < dongs> these are my 'common' pfets
2014-04-30T18:44:28 < Lux> from the datasheet it seems like it has 1ohm resistance if you drive it with 3.3V
2014-04-30T18:44:34 < dongs> right
2014-04-30T18:44:44 < dongs> which is why im seeing like 2.2-ish V when its on
2014-04-30T18:44:48 < dongs> which is a piece of fucking shit
2014-04-30T18:45:11 < zyp> you could throw another on top to run two in parallel if it's just a one off :p
2014-04-30T18:46:35 < dongs> Heh
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2014-04-30T18:53:31 < dongs> no its for a new esign
2014-04-30T18:53:33 < dongs> design
2014-04-30T18:53:49 < dongs> but i had just pfet on another board and it was fail
2014-04-30T18:53:54 < dongs> eneed up just jumping that shit with 0K resistor
2014-04-30T18:54:10 < Lux> you could also use a pnp transistor, if the current draw isn't too high
2014-04-30T18:54:32 < dongs> but then i need extra resistors and shit
2014-04-30T18:54:33 < dongs> too much work
2014-04-30T18:57:12 < Lux> one current limiting resistor
2014-04-30T19:03:38 < Laurenceb__> dongs: did you CE test afroesc?
2014-04-30T19:03:49 < Laurenceb__> i see CE mark
2014-04-30T19:03:55 < Laurenceb__> on my boards
2014-04-30T19:05:20 < dongs> ha ha, no it got marked for ChinaExport
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2014-04-30T19:06:15 < Laurenceb__> lol
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2014-04-30T19:08:15 < Laurenceb__> are there schematics for version 2?
2014-04-30T19:08:27 < dongs> whats v2?
2014-04-30T19:08:35 < Laurenceb__> nazi project
2014-04-30T19:08:36 < dongs> did you get 12A or something?
2014-04-30T19:08:42 < Laurenceb__> also version 2 of afro esc
2014-04-30T19:08:47 < dongs> 12AV2 is just "smaller" pcb
2014-04-30T19:08:52 < Laurenceb__> no 20A
2014-04-30T19:08:53 < dongs> or maybe small wires
2014-04-30T19:08:54 < dongs> or someshti
2014-04-30T19:08:57 < dongs> they fucked it up completely
2014-04-30T19:09:06 < dongs> oh 20 then i dont even know
2014-04-30T19:09:16 < dongs> that was their asshole idea
2014-04-30T19:09:20 < Laurenceb__> lol
2014-04-30T19:09:28 < dongs> like who the fuck needs 12,20,30A esc
2014-04-30T19:09:35 < dongs> when 20/30 is almost same size/weight
2014-04-30T19:09:36 < Laurenceb__> is it all nfet?
2014-04-30T19:09:40 < dongs> yea
2014-04-30T19:09:49 < Laurenceb__> ah
2014-04-30T19:09:56 < Laurenceb__> is there a schematic?
2014-04-30T19:10:04 < dongs> you can get atmega pinout from http://0x.ca/tgy afro_nfet.h or so
2014-04-30T19:10:08 < dongs> no but  ^
2014-04-30T19:10:13 < Laurenceb__> im modding it for my centrifuge
2014-04-30T19:10:22 < Laurenceb__> for uranium enrichment obviously
2014-04-30T19:10:29 < dongs> totally
2014-04-30T19:10:35 < dongs> i thought you were makign a rate table
2014-04-30T19:11:00 < Laurenceb__> im experimenting with high speed spin stabilised flying shit
2014-04-30T19:11:10 < Laurenceb__> nutty ideas....
2014-04-30T19:11:11 < dongs> oh like that uh
2014-04-30T19:11:17 < dongs> shit from few yeras ago
2014-04-30T19:11:39 < dongs> https://www.youtube.com/watch?v=DeGdVUdOe40
2014-04-30T19:12:47 < BrainDamage> maybe he means spin stabilized rockets
2014-04-30T19:12:58 < dongs> spin stabilized dongs
2014-04-30T19:13:00 < BrainDamage> Laurenceb__ would fit well wikisat team
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2014-04-30T19:22:05 < Laurenceb__> Braindamage: yeah
2014-04-30T19:22:23 < Laurenceb__> only i build more stuff
2014-04-30T19:25:10 < Steffanx> functional?
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2014-04-30T19:25:11 < Laurenceb__> so how does the nfet work? charge pump using spare pwm?
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2014-04-30T19:25:23 < Laurenceb__> functional stuff, yeah
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2014-04-30T19:28:03 < dongs> Laurenceb__: no its just ghetto diode/cap shit to boost
2014-04-30T19:28:43 < dongs> bootstrap
2014-04-30T19:29:41 < dongs> http://electronics.stackexchange.com/questions/77107/reverse-engineering-a-brushless-esc-could-someone-help-me-understand-the-circui
2014-04-30T19:29:44 < dongs> basically like this
2014-04-30T19:30:26 < Laurenceb__> interesting
2014-04-30T19:31:15 < dongs> this is "standard" way to do it without gate drivers
2014-04-30T19:32:22 < Laurenceb__> ah
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2014-04-30T19:46:08 < Laurenceb__> i have a weird problem with my datalogger project :-/
2014-04-30T19:46:27 < Laurenceb__> its turning itself off with zero length logfiles
2014-04-30T19:46:33 < Laurenceb__> very off
2014-04-30T19:46:36 < Laurenceb__> *odd
2014-04-30T19:46:55 < Laurenceb__> yesterday i thought f_lseek was causing the issue, theres no way its that
2014-04-30T19:47:36 < Laurenceb__> can windowed watchdog call an interrupt?
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2014-04-30T19:48:18 < Laurenceb__> ah it can nvm
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--- Log closed Thu May 01 00:00:56 2014