--- Log opened pe heinä 01 00:00:34 2022 2022-07-01T00:02:18 < Laurence_b> unfortunately the fuses are very expensive, and it set off alarms at the grid company, so hyperboss didnt see the funny side 2022-07-01T00:02:57 < Steffanx> Shit happens. 2022-07-01T00:03:01 < kaki> yes an event 2022-07-01T00:03:13 < Laurence_b> I got to use the long PVC pole to put new fuses in place 2022-07-01T00:03:38 < kaki> are you qualified to go there? 2022-07-01T00:03:50 < kaki> or how does that go? 2022-07-01T00:04:08 < Laurence_b> >qualified 2022-07-01T00:04:09 < Laurence_b> lol 2022-07-01T00:04:13 < kaki> :D 2022-07-01T00:04:40 < kaki> I would say you need some basic knowledge to change that fuse 2022-07-01T00:05:04 < Laurence_b> we have an ex power company guy who is supposed to do safety supervision, but he spends most of his time eating mcdonalds and talking about capecrap movies 2022-07-01T00:05:41 < Laurence_b> "yeah whatever... fix the fuse with the long plastic pole" 2022-07-01T00:06:17 < kaki> you have been instructed 2022-07-01T00:06:20 < kaki> very good 2022-07-01T00:06:27 -!- rajkosto [~rajkosto@178.220.169.48] has joined ##stm32 2022-07-01T00:07:04 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 272 seconds] 2022-07-01T00:07:14 < kaki> I assume it was also unpowered and plastic thing was a precaution 2022-07-01T00:08:47 < Laurence_b> yeah the main breakers were disconnected 2022-07-01T00:10:37 < kaki> whaat cree has renamed itself as wolfspeed 2022-07-01T00:15:30 < qyx> old 2022-07-01T00:18:50 < kaki> Laurence_b: sensor to rail side possible? 2022-07-01T00:19:06 < kaki> ah wait 2022-07-01T00:19:19 < kaki> then you need 6 sensors 2022-07-01T00:19:23 < kaki> maybe 2022-07-01T00:19:44 < kaki> am I correct? 2022-07-01T00:21:42 < kaki> anyway the rails might be a mess too 2022-07-01T00:23:10 -!- PaulFertser [paul@paulfertser.info] has joined ##stm32 2022-07-01T00:28:24 < kaki> and its weird configuration 2022-07-01T00:29:50 < fenugrec> englishman, it could've mapped to a much more ... "breeding-oriented" translation 2022-07-01T00:29:56 < fenugrec> always send goog translate text verbatim 2022-07-01T00:52:39 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-01T01:02:36 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-01T01:26:13 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-01T01:39:57 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 268 seconds] 2022-07-01T01:46:39 < Laurence_b> >all muh hyperloop github repos have a master branch 2022-07-01T01:46:46 < Laurence_b> *demonic evil laughter* 2022-07-01T01:56:47 < rajkosto> there was only one project that i used that switched and it broke git pull/git submodules... 2022-07-01T01:56:57 < rajkosto> what a stupid thing to do 2022-07-01T02:13:05 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-01T02:27:45 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-01T02:29:14 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-01T02:31:00 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-01T02:53:20 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 268 seconds] 2022-07-01T03:05:37 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-01T04:04:30 -!- kaki [~kaki@188-67-183-70.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-01T04:50:21 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 246 seconds] 2022-07-01T05:51:42 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-01T06:08:24 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has joined ##stm32 2022-07-01T06:38:36 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-01T07:16:14 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-01T07:28:28 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-01T08:46:11 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-01T09:02:17 -!- gnom [~alex@178.150.7.153] has joined ##stm32 2022-07-01T09:11:02 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has joined ##stm32 2022-07-01T09:47:09 -!- c10ud [~c10ud@user/c10ud] has quit [Ping timeout: 246 seconds] 2022-07-01T10:00:19 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-01T10:00:19 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Changing host] 2022-07-01T10:00:19 -!- c10ud [~c10ud@user/c10ud] has joined ##stm32 2022-07-01T10:32:03 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 256 seconds] 2022-07-01T10:44:26 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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ZZZzzz…] 2022-07-01T16:21:38 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 240 seconds] 2022-07-01T16:29:03 -!- BrainDamage [~braindama@94-36-196-57.adsl-ull.clienti.tiscali.it] has quit [Changing host] 2022-07-01T16:29:03 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-01T16:35:28 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-01T16:55:42 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 268 seconds] 2022-07-01T17:01:09 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-01T17:09:53 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-01T17:33:29 -!- majonerozer[m] [~markonjak@2001:470:69fc:105::2:1d7f] has quit [Ping timeout: 244 seconds] 2022-07-01T17:33:43 -!- majonerozer[m] [~markonjak@2001:470:69fc:105::2:1d7f] has joined ##stm32 2022-07-01T17:48:05 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 255 seconds] 2022-07-01T18:08:24 -!- c10ud [~c10ud@user/c10ud] has quit [Quit: Leaving] 2022-07-01T19:15:56 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 272 seconds] 2022-07-01T20:14:39 < machinehum> What are the popular pin headers that are smaller than the 2.54mm, 1mm or 1.27mm? 2022-07-01T20:18:00 < jpa-> 1.27mm is more popular than 1mm 2022-07-01T20:25:53 < machinehum> Yeah I'll go for that 2022-07-01T20:27:23 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-01T21:04:10 -!- kitzman_ is now known as kitzman 2022-07-01T21:37:15 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-01T21:42:20 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-01T21:46:09 < qyx> 2 mm is also popular 2022-07-01T22:01:18 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-01T22:04:45 < machinehum> Hot or Not: Header edition 2022-07-01T23:03:12 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-01T23:03:27 < Laurence_b> til there is some epin edgelord graffiti along the canal 2022-07-01T23:03:46 < Laurence_b> >mural 1: how soap works to remove grease 2022-07-01T23:04:04 < Laurence_b> >mural 2: how Wuhan institute works to create GM coronavirus 2022-07-01T23:05:44 < Laurence_b> I was irl lolling hard 2022-07-01T23:05:48 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-01T23:05:48 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-01T23:07:19 -!- specing_ is now known as specing 2022-07-01T23:12:29 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-01T23:13:45 < Steffanx> Ok 2022-07-01T23:30:15 < PaulFertser> Laurence_b: don't they really work on Gain-Of-Function viruses? 2022-07-01T23:31:59 < Laurence_b> yeah 2022-07-01T23:34:47 < Laurence_b> keek irl batman https://nitter.net/stillgray/status/1542727579144138755#m 2022-07-01T23:40:54 < Steffanx> Batman?!?! 2022-07-01T23:44:51 -!- IanW_ [~IceChat9@arcanum.force9.co.uk] has joined ##stm32 2022-07-01T23:58:38 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] --- Day changed la heinä 02 2022 2022-07-02T00:03:03 < Laurence_b> yeah 2022-07-02T00:03:14 < Laurence_b> looks like one of jokers sidekicks 2022-07-02T00:06:30 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-02T00:14:08 < Steffanx> Chucky 2022-07-02T00:15:24 -!- catphish [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-02T00:16:46 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-02T00:40:40 < Laurence_b> reeee why inverter now worky 2022-07-02T00:40:48 < Laurence_b> 5MW invertor was supposed to be easy 2022-07-02T00:40:50 < Laurence_b> oh wait 2022-07-02T00:41:27 < Laurence_b> that doesnt seem a very sane thing to say 2022-07-02T00:41:55 < Laurence_b> >current sensor data is crap even at 24V input 2022-07-02T00:42:18 < Laurence_b> maybe it needs moar copper foil tape 2022-07-02T00:50:24 < specing> why do you need 5 megawatts? tunnel boring machine? 2022-07-02T00:51:16 < Laurence_b> nah hyperloop (style) pods 2022-07-02T00:54:06 < karlp> it's definitely the aircon 2022-07-02T00:54:17 < Laurence_b> lol 2022-07-02T00:55:14 < karlp> been listening to an exeter man singing recently lolrence, should make you happy. 2022-07-02T00:55:33 < Laurence_b> maybe I could just run very high speed ADC and rolling median filter 2022-07-02T01:08:49 < qyx> rolling median? 2022-07-02T01:10:53 < Laurence_b> median of last x samples 2022-07-02T01:22:56 -!- hexo [~hexo@user/hexo] has quit [Quit: Leaving] 2022-07-02T01:54:40 -!- hexo [~hexo@user/hexo] has joined ##stm32 2022-07-02T02:00:11 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-02T02:20:56 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-02T02:39:50 -!- IanW_ [~IceChat9@arcanum.force9.co.uk] has quit [Quit: Bye] 2022-07-02T02:55:20 -!- RAMIII [~RAMIII@user/RAMIII] has quit [Remote host closed the connection] 2022-07-02T03:00:09 -!- Netsplit *.net <-> *.split quits: catphish, CatCow, PaulFertser, hexo, Xogium, bitmask 2022-07-02T03:00:16 -!- Netsplit over, joins: PaulFertser 2022-07-02T03:01:58 -!- Netsplit over, joins: hexo 2022-07-02T03:02:10 -!- Netsplit over, joins: Xogium 2022-07-02T03:02:23 < Mangy_Dog> https://twitter.com/MD_Builds/status/1543021920634937344 2022-07-02T03:02:38 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-02T03:03:06 -!- Netsplit over, joins: catphish 2022-07-02T03:03:42 -!- rajkosto [~rajkosto@178.220.169.48] has joined ##stm32 2022-07-02T03:06:17 -!- Netsplit over, joins: CatCow 2022-07-02T03:19:10 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 272 seconds] 2022-07-02T03:19:57 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-02T03:25:33 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 246 seconds] 2022-07-02T03:39:34 < mawk> zyp: what is the expected value of throwing two dice and taking the maximum between the two? 2022-07-02T03:47:45 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-02T03:49:30 < catphish> 0 also, 4.4722 2022-07-02T04:07:02 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-02T04:17:43 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-02T04:39:51 < mawk> yes catphish 2022-07-02T04:39:53 < mawk> how did you find it? 2022-07-02T04:41:06 < mawk> 4.47222222222222222222222 2022-07-02T05:31:54 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 264 seconds] 2022-07-02T05:33:03 < mawk> for a n-sided die the answer is n(n+1)(4n-1)/(6n²) 2022-07-02T07:21:06 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 264 seconds] 2022-07-02T07:24:52 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-02T08:56:15 -!- tabemann [~tabemann@2600:1700:7990:24e0:5b3:4d0f:e683:f449] has quit [Remote host closed the connection] 2022-07-02T08:56:37 -!- tabemann [~tabemann@2600:1700:7990:24e0:4002:5f1:9464:2bd4] has joined ##stm32 2022-07-02T09:49:46 -!- rajkohaxor [~rajkosto@93-86-5-161.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-02T09:50:29 -!- rajkohaxor [~rajkosto@93-86-5-161.dynamic.isp.telekom.rs] has quit [Remote host closed the connection] 2022-07-02T09:53:00 -!- rajkosto [~rajkosto@178.220.169.48] has quit [Ping timeout: 246 seconds] 2022-07-02T09:57:39 < Steffanx> You didnt say anything about what's on the die. Your question was incomplete mawk. Try again. 2022-07-02T10:02:44 -!- HelloShitty [~psysc0rpi@bl6-131-248.dsl.telepac.pt] has quit [Ping timeout: 255 seconds] 2022-07-02T10:03:40 -!- HelloShitty [~psysc0rpi@bl6-131-248.dsl.telepac.pt] has joined ##stm32 2022-07-02T10:44:22 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-02T11:06:09 -!- specing [~specing@user/specing] has quit [Ping timeout: 246 seconds] 2022-07-02T11:14:54 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 246 seconds] 2022-07-02T11:19:57 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-02T11:26:46 < zyp> mawk, my solution: 2022-07-02T11:26:46 < zyp> >>> sum(max(a + 1, b + 1) for a in range(6) for b in range(6)) / 6**2 2022-07-02T11:26:47 < zyp> 4.472222222222222 2022-07-02T11:45:15 < Steffanx> Wrong. The dice had the numbers 1, 3, 7, 11, 13 and 37 ;) 2022-07-02T12:10:52 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has joined ##stm32 2022-07-02T12:16:49 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has quit [Quit: Leaving] 2022-07-02T12:18:03 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has joined ##stm32 2022-07-02T12:19:23 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has quit [Remote host closed the connection] 2022-07-02T12:19:43 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has joined ##stm32 2022-07-02T12:27:46 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-02T12:49:48 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-02T13:10:05 -!- mannerism [~tic@107.191.100.185] has quit [Remote host closed the connection] 2022-07-02T13:10:52 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-02T13:12:44 -!- mannerism [~tic@107.191.100.185] has joined ##stm32 2022-07-02T13:34:29 -!- IanW_ [~IceChat9@arcanum.force9.co.uk] has joined ##stm32 2022-07-02T13:45:22 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T13:49:50 -!- freeworld is now known as Linux-Kerio 2022-07-02T13:51:51 -!- Linux-Kerio [~freeworld@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-02T13:52:49 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T13:53:52 -!- freeworld [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T13:54:15 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T13:54:32 -!- freeworld [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T13:54:48 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T13:59:14 -!- freeworld [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T13:59:32 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T14:00:20 -!- freeworld is now known as Linux_Kerio 2022-07-02T14:02:02 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T14:02:20 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T14:29:25 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-02T14:37:24 < Steffanx> What is this knob thing Mangy_Dog ? 2022-07-02T14:37:48 < Mangy_Dog> my version of the dynamic haptic feedback knob idea.... also going to be a smart thermostat 2022-07-02T14:37:52 < Mangy_Dog> nest clone 2022-07-02T14:38:09 < Mangy_Dog> but can be adapted to do other things 2022-07-02T14:40:27 < Steffanx> It looks.. complicated. 2022-07-02T14:40:56 < Mangy_Dog> its... umm 2022-07-02T14:41:01 < Mangy_Dog> maybe not quite as bad as it looks :D 2022-07-02T14:41:16 < Mangy_Dog> but im planning to have a custom stator inside it acting as the motor 2022-07-02T14:41:29 < Mangy_Dog> so its not using an off the shelf motor like the more famous version 2022-07-02T14:43:22 < Steffanx> Yeah the motor thats unobtanium now :D 2022-07-02T14:43:33 < Mangy_Dog> yep 2022-07-02T14:43:43 < Mangy_Dog> though there are other gimbal motors that would do the job 2022-07-02T14:43:52 < Mangy_Dog> just not match his cad files 2022-07-02T14:44:43 < Mangy_Dog> the biggest issue im facing with my knob! is im not sure if i can make enough torque with a custom stator. Even if I use iron filled PLA. its just not going to be the same as a true electric steel stator 2022-07-02T14:45:17 < Mangy_Dog> i think vitual end stops is not going to be possible but hopefully spring back and indents is 2022-07-02T14:53:53 < Steffanx> What's this thing with the bearings and the locking? What's the use? Can't rotate the knob when it's locked? 2022-07-02T14:54:15 < Mangy_Dog> no its to lock the knob to the 1 gang face plate 2022-07-02T14:54:26 < Steffanx> Ah, just that. 2022-07-02T14:54:27 < Mangy_Dog> when the knobs attached you cant access the screws 2022-07-02T14:55:24 < Mangy_Dog> so you first screw the face plate onto the electrical back box, then push the knob on with the button pressed in... when you releas the button it rotates to the stiff attached part of the flap, which holds the bearigs against the coupler locking the knob in place 2022-07-02T14:55:54 < Mangy_Dog> with force im sure it would be possible to pull the knob off the plate without pressing the button in... but likely break something 2022-07-02T14:56:38 < Mangy_Dog> so you just push the button in again... the ring rotates to the flexable part of the flap, which allows the bearings to retract when you pull the knob off the face plate 2022-07-02T14:57:19 < Mangy_Dog> the face plate is designed to fit a standard UK 1 gang backbox 2022-07-02T14:57:37 < Mangy_Dog> US has different standard designs for electrical outlets 2022-07-02T14:57:44 < Mangy_Dog> not sure about EU 2022-07-02T14:57:50 < Mangy_Dog> Aus uses the same as us 2022-07-02T15:06:10 < Steffanx> Aha like that. Now I get it 2022-07-02T15:33:27 < Mangy_Dog> also by different designs i dont mean a plug socket. I mean the box that holds the socket, and the size and spacing of the face plate screws 2022-07-02T15:34:04 < Mangy_Dog> theres probebly BS number standard for it but god knows if i could find it 2022-07-02T15:40:35 < mawk> Steffanx by default it's 6-sided, but I also said it's possible to compute when it's n-sided 2022-07-02T15:40:39 < mawk> yes zyp 2022-07-02T15:40:50 < mawk> can you derive an analytical formula from it? 2022-07-02T15:42:03 < mawk> if you do: for x in range(1, 7): for y in range(1, 7): print(max(x, y), end=' '); print() 2022-07-02T15:42:14 < mawk> the second print is at the indentation level of the first for 2022-07-02T15:42:30 < mawk> that will print a neat table, and then it's obvious how to compute it 2022-07-02T15:42:35 < mawk> by going around corners 2022-07-02T15:43:09 < mawk> you will get 1×1 + 3×2 + 5×3 + 7×4 + 9×5 + 11×6 2022-07-02T15:43:21 < mawk> and divide that by 36 and you get the exact result 2022-07-02T15:43:28 < mawk> but you also get an analytical formula for any n 2022-07-02T15:43:55 < mawk> 1/n² Σ(2n-1)n = n(n+1)(4n-1)/(6n²) 2022-07-02T15:44:10 < Steffanx> But n-side doesn't mean it has numbers 1 to n mawk ;) 2022-07-02T15:44:26 < Steffanx> n-sided* 2022-07-02T15:44:35 < mawk> yes Steffanx only madmen escaped from the looney asylum would do anything other than 1..n 2022-07-02T15:44:43 < mawk> and these people aren't allowed to do maths 2022-07-02T15:45:52 < mawk> the sum is more like Σ(2k-1)k, reusing indices is bad 2022-07-02T15:49:10 < mawk> and if the dice are not 1..n it's the exact same method 2022-07-02T15:49:58 < mawk> you can relabel the dice 1..n, do the maths, and invert the labeling 2022-07-02T15:50:06 < mawk> so everything has been said without loss of generality 2022-07-02T15:50:09 < Steffanx> I already know most math is about made up problems and already known solutions. :P 2022-07-02T15:50:15 < mawk> nooo 2022-07-02T15:50:20 < mawk> I didn't already know the solution 2022-07-02T15:50:38 < mawk> I found ze problème on youtube and I paused the video to try it myself 2022-07-02T16:11:47 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:16:17 -!- freeworld [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:16:38 -!- freeworld [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:20:58 -!- freeworld [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:21:03 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-02T16:21:25 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:22:27 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:22:46 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:24:01 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:24:23 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:35:22 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-02T16:35:42 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:37:43 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:38:02 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:39:01 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:39:21 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:43:47 -!- Linux_Kerio [~freeworld@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:44:03 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:50:13 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-02T16:50:32 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T16:51:44 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Client Quit] 2022-07-02T16:52:06 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-02T17:17:37 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-02T17:43:44 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-02T18:04:48 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: My MacBook Air has gone to sleep. ZZZzzz…] 2022-07-02T18:35:57 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 276 seconds] 2022-07-02T18:41:04 -!- linker_ [~linker@2a02:a31a:a03f:8800:dade:52e1:591b:c169] has quit [Remote host closed the connection] 2022-07-02T18:41:22 -!- linker_ [~linker@2a02:a31a:a03f:8800:da4b:e3a4:f756:cb2c] has joined ##stm32 2022-07-02T18:46:50 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-02T19:07:01 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-02T19:53:07 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-02T19:53:19 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-02T19:58:38 -!- linker_ [~linker@2a02:a31a:a03f:8800:da4b:e3a4:f756:cb2c] has quit [Remote host closed the connection] 2022-07-02T20:03:15 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 260 seconds] 2022-07-02T20:15:42 -!- kraiskil [~kraiskil@mob-194-230-158-13.cgn.sunrise.net] has joined ##stm32 2022-07-02T20:17:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 260 seconds] 2022-07-02T20:30:54 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-02T21:04:09 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-02T21:10:25 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-02T21:26:36 -!- kraiskil [~kraiskil@mob-194-230-158-13.cgn.sunrise.net] has quit [Ping timeout: 272 seconds] 2022-07-02T21:26:40 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 260 seconds] 2022-07-02T22:52:15 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-02T23:02:03 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-02T23:02:24 -!- rajkosto [~rajkosto@178-222-122-82.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-02T23:06:12 -!- kaki [~kaki@176-93-12-254.bb.dnainternet.fi] has joined ##stm32 2022-07-02T23:06:17 < kaki> catphish: box now 2022-07-02T23:24:39 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 246 seconds] 2022-07-02T23:26:20 < catphish> kaki: where you been? i had box news and you were not here 2022-07-02T23:26:39 < kaki> work 2022-07-02T23:26:45 < kaki> except last night 2022-07-02T23:26:50 < catphish> kaki: the good news is that box is now in car! and when i plug in box, everything work 2022-07-02T23:26:52 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-02T23:27:10 < kaki> hmm 2022-07-02T23:27:12 < kaki> pics? 2022-07-02T23:27:28 < kaki> it's a milestone in the project 2022-07-02T23:27:38 < catphish> box in car: https://i.imgur.com/eZBoS2O.jpg 2022-07-02T23:28:05 < catphish> box plugged in: https://i.imgur.com/riqPYFK.jpg 2022-07-02T23:28:35 < catphish> inverter works, motor spins, heater works, DC-DC converter works and supplies 13.6V to battery 2022-07-02T23:28:52 < zyp> nice 2022-07-02T23:29:30 < kaki> and the logic that controls all that? 2022-07-02T23:29:43 < kaki> flawless victory? 2022-07-02T23:31:15 < kaki> it has been quite a project 2022-07-02T23:31:31 < catphish> kaki: yep, inverter controls contactors for itself, and my charge controller controls the contactor for the heater, as well we some other stuff like enablng the DC-DC converter, and turning on the coolant pump, all works flawlessly 2022-07-02T23:31:32 < kaki> have you counted hours or workdays on that? 2022-07-02T23:31:47 < kaki> did you try charging? 2022-07-02T23:31:53 < catphish> the only thing not yet tested is the AC charger 2022-07-02T23:31:57 < catphish> no :) 2022-07-02T23:31:59 < zyp> kaki, is my welding getting better? https://cdn.discordapp.com/attachments/826884015054127104/992541189796548780/IMG_20220701_221259.jpg 2022-07-02T23:32:14 < catphish> that looks like a nice welding 2022-07-02T23:32:20 < qyx> a bit better 2022-07-02T23:32:34 < kaki> mild steel? 2022-07-02T23:32:43 < qyx> but yeah, only a bit shaky 2022-07-02T23:32:45 < kaki> with contaminants? 2022-07-02T23:32:57 < zyp> still the same galvanized profiles 2022-07-02T23:33:21 < zyp> probably got a couple hundred meters of the shit 2022-07-02T23:33:31 < kaki> zinc doesnt really want to leave the surface 2022-07-02T23:33:50 < kaki> it starts acting like liquid when you grind it 2022-07-02T23:34:19 < zyp> yeah, I'm grinding before welding, but it still leaves a little bit, I read that the grinder tends to smear a thin layer of it when you're grinding 2022-07-02T23:34:37 -!- kraiskil [~kraiskil@mob-194-230-158-13.cgn.sunrise.net] has joined ##stm32 2022-07-02T23:34:48 < kaki> you may have noticed that grinding wheel kinda tarnishes steel with zinc at trailing edge 2022-07-02T23:35:02 < zyp> still no metal fever though :p 2022-07-02T23:35:33 < zyp> I welded up some overkill brackets yesterday: https://cdn.discordapp.com/attachments/826884015054127104/992541522228678817/IMG_20220701_230227.jpg 2022-07-02T23:35:33 < kaki> well you would need zinc burning with pillows of smoke 2022-07-02T23:36:10 < kaki> zyp: just finnish with zinc spray 2022-07-02T23:36:16 < kaki> just as is 2022-07-02T23:36:26 < zyp> I kinda did 2022-07-02T23:37:12 < kaki> hide everything in layer of grey 2022-07-02T23:37:34 < zyp> I've got this in black: https://www.biltema.fi/rakentaminen/maalit/spraymaalit/metallinsuojamaali-500-ml-2000036645 2022-07-02T23:37:50 < zyp> so I sprayed the entire thing black afterwards 2022-07-02T23:40:21 < kaki> primer with zinc very useful spray 2022-07-02T23:42:28 < zyp> yeah 2022-07-02T23:45:46 < zyp> did I show you the trailer light connection bracket I did a week or two ago? 2022-07-02T23:47:15 < kaki> steel sheet that holds socket next to trailer hitch? 2022-07-02T23:47:24 < kaki> nope 2022-07-02T23:47:25 < zyp> yeah 2022-07-02T23:47:31 < zyp> https://cdn.discordapp.com/attachments/797468335969271818/987822468699930634/IMG_20220618_225139.jpg 2022-07-02T23:48:03 < zyp> we bought a trailer recently, light connection had the old 7-pin plug requiring an adapter to plug into modern cars, and the cable was too short to properly reach anyway 2022-07-02T23:49:18 < zyp> didn't want to cut a large enough hole for the cables through the beam for the trailer itself, so I plasma cut that bracket instead 2022-07-02T23:49:45 < zyp> cut off the old plug and terminated lights in a socket instead 2022-07-02T23:51:04 < catphish> kaki: my hope is that on monday, i will be able to finish the driveshafts, once those are done i can re-assemble the brakes, so at some point next week the car might be driveable! 2022-07-02T23:53:31 < kaki> no more codings? 2022-07-02T23:55:14 < catphish> there are some more codes to do 1) OBD-II protocol so i can have a tablet to display data (temperatures, battery data, etc) 2) low voltage cutoff for the heater and DC-DC converter 2022-07-02T23:56:16 < catphish> i also need to physically wire up the OBD-II port, there's a loop of CAN cable going to it, but it needs crimping in 2022-07-02T23:59:12 < kaki> driveline completelly coded? --- Day changed su heinä 03 2022 2022-07-03T00:00:15 < catphish> well, it has a config that works, i'm considering changing it to a more conservative config, but yes 2022-07-03T00:01:30 < kaki> you have step or ramp thresholds for currents and temperatures? 2022-07-03T00:04:17 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 255 seconds] 2022-07-03T00:09:20 < catphish> yes 2022-07-03T00:09:25 -!- PaulFertser [paul@paulfertser.info] has joined ##stm32 2022-07-03T00:09:40 < kaki> PaulFertser: hello 2022-07-03T00:10:13 < kaki> how is summer? 2022-07-03T00:10:14 < catphish> kaki: though i've read that openinverter isn't particularly graceful about these limits, it tries its best but often they're quite hard cuts rather than nice ramps 2022-07-03T00:11:02 < kaki> have you tried motor full speed? 2022-07-03T00:11:16 < kaki> that your inverter code can produce nice full speed? 2022-07-03T00:12:36 < catphish> kaki: well, i currently have the limit set to 10,000 (the normal setting is 18,000) but it achieves 1,000 with no trouble / unsmoothness at all 2022-07-03T00:13:02 < kaki> 1000 and 10000 have magnitude of difference 2022-07-03T00:13:20 < catphish> sorry, i meant 10,000 2022-07-03T00:13:28 < kaki> sweet 2022-07-03T00:13:46 < catphish> i have the limit set to 10,000 and it gracefully limits itself to that and sounds smooth 2022-07-03T00:14:17 < kaki> ramp limit or step limit? 2022-07-03T00:14:42 < kaki> it might be ramp if it's smooth 2022-07-03T00:14:46 < catphish> it's just a limit :) i don't know how it's enforced 2022-07-03T00:14:58 < catphish> it seems quite smooth so i think it tries to ramp 2022-07-03T00:15:25 < catphish> though even if it wasn't, the control loop runs so fast i'm not sure you'd notice 2022-07-03T00:16:09 < kaki> ye 2022-07-03T00:16:18 < catphish> i suspect this won't be an issue on the road anyway 2022-07-03T00:16:23 < kaki> ''i think you might hear something 2022-07-03T00:16:29 < catphish> i wonder how fast 10,000 / 18,000 RPM is 2022-07-03T00:16:57 < kaki> what is the final gear? 2022-07-03T00:18:18 < catphish> 9.34 2022-07-03T00:18:44 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-03T00:19:07 < catphish> tyre circumference is 1959.4 mm 2022-07-03T00:19:20 -!- specing [~specing@user/specing] has quit [Ping timeout: 260 seconds] 2022-07-03T00:19:43 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-03T00:19:48 < catphish> i make that 125km/h at 10,000 RPM 2022-07-03T00:20:09 < kaki> 35m/s 2022-07-03T00:20:47 < catphish> * 125.9 km/h 2022-07-03T00:20:49 < kaki> hell.. you need really try to get a ticket for speeding 2022-07-03T00:21:17 < kaki> in highway at least 2022-07-03T00:21:17 < catphish> seems like that wouldn't be hard at that speed 2022-07-03T00:22:14 < kaki> why you have rev limiter? 2022-07-03T00:22:18 < kaki> at 10k? 2022-07-03T00:22:18 < catphish> i could leave the limit at 10,000 RPM, since i can't legally go that fast anywhere in the UK anyway 2022-07-03T00:22:42 < kaki> on track? 2022-07-03T00:22:46 < catphish> 10k just seemed like a sensible limit for my no-load testing 2022-07-03T00:23:07 < catphish> everyone else just leaves the limit at tesla's specified 18,000 RPM 2022-07-03T00:24:42 < kaki> on track you hit limiter comming out of corner 2022-07-03T00:25:09 < kaki> if you do such track things 2022-07-03T00:25:19 < catphish> yes very likely 2022-07-03T00:25:25 < kaki> you can always raise the limiter though when you go to track 2022-07-03T00:25:50 < catphish> maybe i'll push it up to 100mph, though i'll be driving a lot more cautiously than that for a while i imagine 2022-07-03T00:44:27 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 246 seconds] 2022-07-03T00:56:14 -!- kraiskil [~kraiskil@mob-194-230-158-13.cgn.sunrise.net] has quit [Ping timeout: 272 seconds] 2022-07-03T01:03:47 -!- hexo [~hexo@user/hexo] has quit [Remote host closed the connection] 2022-07-03T01:04:30 -!- rajkosto [~rajkosto@178-222-122-82.dynamic.isp.telekom.rs] has quit [Read error: Connection reset by peer] 2022-07-03T01:12:40 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 248 seconds] 2022-07-03T01:15:20 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 260 seconds] 2022-07-03T01:23:59 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-03T02:06:55 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 268 seconds] 2022-07-03T02:07:49 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-03T02:08:08 -!- IanW_ [~IceChat9@arcanum.force9.co.uk] has quit [Quit: Bye] 2022-07-03T02:24:08 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 248 seconds] 2022-07-03T03:12:03 < Steffanx> Have a some short musics today kaki : https://youtube.com/shorts/Bd-Dy-hntwQ?feature=share 2022-07-03T03:12:10 < Steffanx> Maybe its some inspiration 2022-07-03T03:12:19 < Steffanx> -a 2022-07-03T03:21:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-03T03:23:27 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-03T03:51:53 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-03T05:07:21 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-03T05:54:27 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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has quit [Ping timeout: 255 seconds] 2022-07-03T20:25:57 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-03T20:46:16 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 272 seconds] 2022-07-03T21:09:59 -!- kraiskil [~kraiskil@mob-194-230-148-132.cgn.sunrise.net] has joined ##stm32 2022-07-03T21:21:21 -!- [_] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-03T21:24:24 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 268 seconds] 2022-07-03T21:32:01 -!- kraiskil [~kraiskil@mob-194-230-148-132.cgn.sunrise.net] has quit [Ping timeout: 256 seconds] 2022-07-03T21:42:45 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has quit [Quit: leaving] 2022-07-03T22:05:00 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-03T22:12:10 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-03T22:54:28 -!- kraiskil [~kraiskil@mob-194-230-148-132.cgn.sunrise.net] has joined ##stm32 2022-07-03T23:34:58 -!- kaki [~kaki@188-67-210-111.bb.dnainternet.fi] has joined ##stm32 2022-07-03T23:35:05 < kaki> Steffanx: music now 2022-07-03T23:35:09 < kaki> music 2022-07-03T23:35:24 < kaki> did you ban laurence? 2022-07-03T23:35:30 -!- [_] is now known as [itchyjunk] 2022-07-03T23:55:04 < Steffanx> Try yesterday's music kaki. It was short and maybe inspirational 2022-07-03T23:55:11 < Steffanx> And nope wasn't me 2022-07-03T23:57:54 < catphish> morning 2022-07-03T23:58:03 < kaki> morgon --- Day changed ma heinä 04 2022 2022-07-04T00:04:02 < kaki> https://www.youtube.com/watch?v=bzkC7PdRP40 musics then 2022-07-04T00:05:09 < Steffanx> That's rather unkakimusic 2022-07-04T00:06:16 < catphish> https://www.diyelectriccar.com/threads/for-sale-tesla-x-s-gps-driver-assist-autopilot-car-computer-ecu-module-1125800-00-b.207155/ 2022-07-04T00:06:38 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 240 seconds] 2022-07-04T00:07:15 < kaki> catphish: you gonna bite that hook? 2022-07-04T00:08:57 < catphish> i think i did... 2022-07-04T00:09:43 < kaki> you need to provide or emulate like dozen of devices 2022-07-04T00:10:35 < catphish> his account was registered 2 days ago from nigeria 2022-07-04T00:10:51 < catphish> and his item looks suspiciously like this one https://www.ebay.co.uk/itm/234267838185 2022-07-04T00:11:22 < kaki> ah 2022-07-04T00:12:54 < Steffanx> Lol 2022-07-04T00:17:33 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-04T00:17:59 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-04T00:17:59 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-04T00:19:29 -!- specing_ is now known as specing 2022-07-04T00:21:27 -!- kraiskil [~kraiskil@mob-194-230-148-132.cgn.sunrise.net] has quit [Ping timeout: 256 seconds] 2022-07-04T00:38:39 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-04T00:46:13 -!- mode/##stm32 [+o englishman] by ChanServ 2022-07-04T00:46:27 -!- mode/##stm32 [-b Laurenceb!*@*] by englishman 2022-07-04T00:46:31 -!- mode/##stm32 [-b Laurenceb!*@*] by englishman 2022-07-04T00:46:37 -!- mode/##stm32 [-o englishman] by englishman 2022-07-04T01:33:55 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-04T01:36:18 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-04T01:37:45 -!- upgrdman [~upgrdman@047-034-172-219.res.spectrum.com] has joined ##stm32 2022-07-04T01:57:45 -!- upgrdman [~upgrdman@047-034-172-219.res.spectrum.com] has quit [Quit: Leaving] 2022-07-04T02:18:06 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 264 seconds] 2022-07-04T03:01:38 -!- Laurence_b [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-04T04:03:03 -!- ferdna [~ferdna@user/ferdna] has quit [Read error: Connection reset by peer] 2022-07-04T04:09:30 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T04:45:01 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-04T05:45:10 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T06:18:19 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-04T06:24:41 -!- rajkosto [~rajkosto@178-222-122-82.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-04T06:45:42 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 264 seconds] 2022-07-04T06:48:05 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-04T07:08:33 -!- ferdna [~ferdna@user/ferdna] has quit [Remote host closed the connection] 2022-07-04T07:09:56 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T07:16:56 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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2022-07-04T16:56:21 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-04T17:02:47 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-04T17:02:52 < Laurenceb> what the fuuu 2022-07-04T17:02:53 < Laurenceb> https://www.alibaba.com/product-detail/Zoxcell-100000F-2-7V-graphene-super_62450474794.html?spm=a2700.galleryofferlist.normal_offer.1.49fbb775OElNk3 2022-07-04T17:02:57 < Laurenceb> surely a scam 2022-07-04T17:03:29 < Laurenceb> I mean it is technically possible based on graphene research, but chances of some random company making shit at that price... 2022-07-04T17:03:42 < Laurenceb> >100kF O_o 2022-07-04T17:03:58 < Laurenceb> 78Wh/kg 2022-07-04T17:04:40 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-04T17:05:13 < Laurenceb> supposedly a graphene hybrid supercap 2022-07-04T17:06:09 < Laurenceb> https://futureofenergy.home.blog/2020/05/08/zoxcell-supercaps-their-advantages/ 2022-07-04T17:06:16 < Laurenceb> epin if true 2022-07-04T17:06:20 < Laurenceb> doubt.jpg 2022-07-04T17:09:02 < BrainDamage> ask them for a sample 2022-07-04T17:09:36 < Laurenceb> https://twitter.com/ZSupercapacitor/status/1452529918831644679?cxt=HHwWjsCy2f2QtqgoAAAA 2022-07-04T17:09:47 < Laurenceb> needs thunderfood to deboooonk 2022-07-04T17:09:52 < Laurenceb> yeah I'll email them 2022-07-04T17:10:00 < Laurenceb> easy to test if its a scam 2022-07-04T17:10:30 < Laurenceb> its ""only"" three times better than non graphene supercaps, so technically possible based on the research 2022-07-04T17:11:04 < BrainDamage> one thing, they don't list the self discharge current 2022-07-04T17:11:11 < Laurenceb> yeah 2022-07-04T17:12:24 < BrainDamage> mmm even with a gigantic self discharge of 1A that'd give them ~3 day worth of storage 2022-07-04T17:12:42 < Laurenceb> https://5.imimg.com/data5/SELLER/Doc/2021/5/AQ/XN/FM/1745774/super-capacitors-2-7v-3000f.pdf 2022-07-04T17:14:21 < BrainDamage> that's 3kF, not 300kF 2022-07-04T17:14:49 < Laurenceb> yeah thats their mini cell, not the big metal cased on off alibaba 2022-07-04T17:14:55 < Laurenceb> *one 2022-07-04T17:17:11 < Laurenceb> https://forums.aeva.asn.au/viewtopic.php?t=5486&start=375 2022-07-04T17:17:14 < Laurenceb> supposedly fake 2022-07-04T17:17:41 < Laurenceb> pity 2022-07-04T17:20:16 < Laurenceb> https://www.alibaba.com/product-detail/Supercapacitor-2-7V-3000F-Super-high_62010679665.html?spm=a2700.galleryofferlist.normal_offer.2.49fbb775OElNk3 2022-07-04T17:20:40 < Laurenceb> maxwell caps are available at low price.. assuming they arent fake/stolen 2022-07-04T17:23:23 < Laurenceb> https://www.alibaba.com/product-detail/Maxwell-2-85V-3400F-supercapacitor-ups_60122423143.html?spm=a2700.galleryofferlist.normal_offer.1.1386b7756MMtsv 2022-07-04T17:23:27 < Laurenceb> not bad 2022-07-04T17:25:39 < BrainDamage> yeah, that's just 10x less energy dense 2022-07-04T17:25:42 < BrainDamage> a bit more beliveable 2022-07-04T17:26:16 < Laurenceb> lol 2022-07-04T17:26:39 < Laurenceb> still good enough for some EV purposes 2022-07-04T17:27:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 264 seconds] 2022-07-04T17:27:50 < Laurenceb> they have capbusses in Belgrade now 2022-07-04T17:28:10 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 240 seconds] 2022-07-04T17:28:56 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-04T17:34:19 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T17:35:13 < specing> Laurenceb: nice 2022-07-04T17:38:06 < Laurenceb> https://www.sustainable-bus.com/news/chariot-motors-electric-bus-ultracapacitors/ 2022-07-04T17:46:07 < specing> very nice 2022-07-04T17:53:00 < aandrew> Laurenceb: interesting. are there any real world tests so far? 2022-07-04T17:54:54 < Laurenceb> of what? The voxcell stuff? 2022-07-04T17:55:06 < aandrew> yeah 2022-07-04T17:55:14 < Laurenceb> its been exposed as a scam, lithium cells hidden inside 2022-07-04T17:55:20 < aandrew> lolwut 2022-07-04T17:55:39 < Laurenceb> read the previous pages on that forum I linked 2022-07-04T17:55:41 < aandrew> oh see I haven't finished clicking links yet 2022-07-04T17:57:49 < Laurenceb> https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6409 2022-07-04T18:34:14 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-04T19:16:42 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-04T19:19:01 < karlp> borked link. 2022-07-04T19:40:51 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 256 seconds] 2022-07-04T19:43:19 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T19:46:07 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-04T20:14:36 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-04T20:51:18 < mawk> the link doesn't look like a scam 2022-07-04T20:51:24 < mawk> 30 years of projected life doesn't mean it won't discharge over 30 years 2022-07-04T21:07:52 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-04T21:08:12 < Laurenceb> muricans are shooting each other to celebrate murica day 2022-07-04T21:08:18 < Laurenceb> sounds about right 2022-07-04T21:45:40 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Read error: Connection reset by peer] 2022-07-04T21:46:34 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-04T21:49:27 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-04T21:52:50 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 240 seconds] 2022-07-04T22:20:30 < kaki> morgon 2022-07-04T22:36:51 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-04T23:03:24 < Steffanx> No 2022-07-04T23:40:54 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 264 seconds] 2022-07-04T23:43:56 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 --- Day changed ti heinä 05 2022 2022-07-05T00:18:14 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-05T00:18:14 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-05T00:19:49 -!- specing_ is now known as specing 2022-07-05T00:49:38 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-05T00:54:01 < kaki> Laurenceb: caps keep exploding? 2022-07-05T00:54:22 < Laurenceb> huh 2022-07-05T00:54:32 < Laurenceb> oh not anymore, we aimed a 38mm fan at each cap 2022-07-05T00:55:14 < Laurenceb> we need hybrid electrolytics, I'll replace them soon 2022-07-05T00:55:35 < Laurenceb> looks like part of our current sensor issue is rounding errors in Ti simulink libs 2022-07-05T01:00:10 < Laurenceb> we were hoping to oversample data that had been through their code, but it seems to have about 5lsb variable rounding errors 2022-07-05T01:01:29 < Laurenceb> it only takes a few hundred mA to drive the vehicle around the yard, versus hundreds of amps at full throttle, so we need to pull some signal out of the noise 2022-07-05T01:03:48 < Laurenceb> this invertor is so crazy it cooks its gate driver decoupling caps, let alone the main decoupling caps 2022-07-05T01:04:29 < Laurenceb> main caps are water cooled PP film 2022-07-05T01:08:50 < Laurenceb> then there is a ""PCB"" made from 8mm laser cut copper sheet 2022-07-05T01:57:54 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-05T02:02:32 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-05T02:07:53 -!- hexo_ [~hexo@user/hexo] has joined ##stm32 2022-07-05T02:10:21 -!- hexo [~hexo@user/hexo] has quit [Ping timeout: 246 seconds] 2022-07-05T02:13:24 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 276 seconds] 2022-07-05T02:30:50 < Laurenceb> has anyone run openblas on stm32? 2022-07-05T02:41:07 < Laurenceb> ooh https://github-wiki-see.page/m/xianyi/OpenBLAS/wiki/How-to-use-OpenBLAS-on-Cortex-M 2022-07-05T02:47:38 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 255 seconds] 2022-07-05T02:49:22 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 272 seconds] 2022-07-05T02:51:38 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T02:53:24 < Laurenceb> looks pretty epin 2022-07-05T02:53:38 < Laurenceb> should actually be possible to run gnu-octave on stm32 2022-07-05T02:54:08 < Laurenceb> not the actual runtime but c code autogenerated copies of scripts 2022-07-05T02:57:41 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-05T03:39:36 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 246 seconds] 2022-07-05T03:43:27 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-05T04:24:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-05T04:31:38 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-05T05:01:50 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-05T05:22:19 -!- ferdna_ [~ferdna@ip68-102-100-109.ks.ok.cox.net] has joined ##stm32 2022-07-05T05:23:43 -!- ferdna [~ferdna@user/ferdna] has quit [Read error: Connection reset by peer] 2022-07-05T05:24:35 -!- ferdna_ [~ferdna@ip68-102-100-109.ks.ok.cox.net] has quit [Remote host closed the connection] 2022-07-05T06:12:10 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 240 seconds] 2022-07-05T06:17:56 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-05T06:21:07 -!- rajkosto [~rajkosto@178-222-122-82.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-05T06:21:07 -!- toluene [~toluene@user/toulene] has quit [Excess Flood] 2022-07-05T06:22:01 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-05T06:40:37 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-05T07:38:51 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-05T07:46:12 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-05T07:46:25 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T08:31:03 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-05T08:32:18 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T08:38:25 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-05T08:48:50 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-05T09:02:36 < rajkosto> for a power-only usb cable, are you supposed to tie D+ and D- together ? 2022-07-05T09:05:30 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-05T09:05:33 < jpa-> rajkosto: on the device end with B connector, yes 2022-07-05T09:05:42 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T09:06:00 < jpa-> with C connector i don't know 2022-07-05T09:28:27 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-05T09:31:10 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 240 seconds] 2022-07-05T09:31:29 < zyp> power-only usb cables aren't supposed to exist in the first place 2022-07-05T09:33:18 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T09:57:28 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-05T09:58:47 -!- toluene4 [~toluene@user/toulene] has joined ##stm32 2022-07-05T09:58:48 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 276 seconds] 2022-07-05T09:58:48 -!- toluene4 is now known as toluene 2022-07-05T10:19:40 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-05T10:21:13 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 244 seconds] 2022-07-05T10:21:27 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T10:26:18 -!- specing [~specing@user/specing] has quit [Ping timeout: 246 seconds] 2022-07-05T10:30:17 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-05T10:30:17 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Changing host] 2022-07-05T10:30:17 -!- c10ud [~c10ud@user/c10ud] has joined ##stm32 2022-07-05T11:09:50 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-05T11:15:05 -!- rajkosto [~rajkosto@178-222-122-82.dynamic.isp.telekom.rs] has quit [Read error: Connection reset by peer] 2022-07-05T11:21:28 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-05T11:53:12 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Read error: Connection reset by peer] 2022-07-05T11:57:09 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-05T12:13:03 -!- kaki [~kaki@188-67-210-111.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-05T12:25:24 -!- drzacek_ [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-05T12:27:35 < karlp> that ship has sailed my friend :) 2022-07-05T12:28:54 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Ping timeout: 264 seconds] 2022-07-05T12:29:14 < jpa-> maybe the ship will turn back if you yell loud enough? 2022-07-05T12:35:42 < karlp> https://tenor.com/uL6t.gif 2022-07-05T13:03:22 -!- josuah [~irc@46.23.94.12] has quit [Quit: WeeChat 3.4.1] 2022-07-05T13:03:52 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-05T13:38:40 -!- drzacek_ is now known as drzacek 2022-07-05T13:39:00 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-05T13:39:15 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-05T14:05:24 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-05T14:07:14 < Laurenceb> noice 2022-07-05T14:07:16 < Laurenceb> https://www.amusingplanet.com/2019/02/gyrobus-flywheel-powered-public.html 2022-07-05T14:08:38 < josuah> if you make it horizontal, the bus can still turn, but not go up/down :) 2022-07-05T14:08:54 < josuah> so the city has to be flat to not hit the gyroscopic effect 2022-07-05T14:09:02 < josuah> captivating 2022-07-05T14:11:17 < josuah> it reminds me of the much less serious https://kolo.fr/day2315.webm 2022-07-05T14:11:38 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-05T14:26:49 < BrainDamage> you can have counter-rotating flywheels 2022-07-05T14:27:02 < BrainDamage> that cancels the 1st order torque 2022-07-05T14:33:27 < Laurenceb> yeah 2022-07-05T14:41:35 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-05T14:49:43 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-05T14:49:44 < Laurenceb> lol https://en.wikipedia.org/wiki/Parry_People_Movers 2022-07-05T15:18:53 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Quit: Reconnecting] 2022-07-05T15:19:08 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-05T15:40:15 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-05T16:53:44 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Ping timeout: 252 seconds] 2022-07-05T17:15:36 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 244 seconds] 2022-07-05T17:54:56 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T17:57:58 -!- lagash [lagash@lagash.shelltalk.net] has quit [Ping timeout: 240 seconds] 2022-07-05T18:38:16 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-05T18:55:17 < bitmask> poke poke poke poke 2022-07-05T18:55:19 -!- lagash [lagash@lagash.shelltalk.net] has joined ##stm32 2022-07-05T18:59:19 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-05T18:59:43 < karlp> ouch 2022-07-05T19:06:00 < bitmask> oh, hah, i meant the food 2022-07-05T19:06:05 < bitmask> poke bowls for lunch 2022-07-05T19:08:13 < bitmask> anyone ever create an entity component system? 2022-07-05T19:08:46 < Mangy_Dog> Anyone used LibreHardwareMonitor API? Im having a nightmare trying to get GPU Package data, IE the GPU watt draw data. The libHWMon app example shows it, but the example code listed in the github for grabbing data doesnt show it. I could really do with some help spotting what im doing wrong. 2022-07-05T19:12:21 < Mangy_Dog> https://cdn.discordapp.com/attachments/879434766296952875/993912134062841876/unknown.png 2022-07-05T19:17:45 < \dev\ice> I have task to simulate GPS PPS (GPS module died) using pin. it's stm32 h7. what kind of jitter i can expect? 2022-07-05T19:18:28 < \dev\ice> and it's on freertos. idea is loop, delay, gpio togle 2022-07-05T19:18:39 < \dev\ice> on separate thread 2022-07-05T19:19:36 < BrainDamage> don't, use a timer trigger gpio on interrupt 2022-07-05T19:20:07 < BrainDamage> if done properly the jitter will be in the same order of the xtal 2022-07-05T19:20:23 < BrainDamage> which will be 10^-5 or so for your run-out-the-mill xtal 2022-07-05T19:21:32 < \dev\ice> what you suggest to use? 2022-07-05T19:31:18 < BrainDamage> is pps generation the only task on the uC? 2022-07-05T19:36:00 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 276 seconds] 2022-07-05T19:36:12 < \dev\ice> nope 2022-07-05T19:36:18 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-05T19:36:39 < \dev\ice> some more task, just hack to make other subsystem work after lost pps 2022-07-05T19:36:52 < benishor> https://www.onshape.com/en/ 2022-07-05T19:42:29 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-05T19:43:41 < karlp> are you buying it for us? 2022-07-05T19:44:01 < benishor> nah, I just made a maker account, it's free 2022-07-05T19:44:13 < benishor> as long as you're ok with your designs being publicly available, it's ok 2022-07-05T19:44:51 < karlp> right, so useless then 2022-07-05T19:45:47 < karlp> let's get people to buy into a completely closed vendor tool suite with no exit path other than pay them for the pro version of the same lock in? 2022-07-05T19:45:58 < karlp> but it's cool that I can use an app? 2022-07-05T19:46:29 < \dev\ice> :-) 2022-07-05T19:52:34 < PaulFertser> \dev\ice: are you able to choose a pin that can be set as Timer Output Compare function? 2022-07-05T19:53:33 < \dev\ice> no, it's predefined but maybe its proper 2022-07-05T19:55:47 < \dev\ice> idea - device already ir serve and not possible to change anything execpt firmware upgrade 2022-07-05T20:16:27 < qyx> if the device is already working and the GPS module outputs 1PPS for the micro, it is probably connected to a timer IC/OC channel 2022-07-05T20:16:49 < qyx> if yes, use that timer 2022-07-05T20:42:47 -!- specing [~specing@user/specing] has quit [Quit: ZNC - https://znc.in] 2022-07-05T20:44:13 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-05T21:03:47 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-05T21:05:00 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T21:05:47 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-05T21:06:24 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T21:07:17 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-05T21:07:46 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T21:08:51 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-05T21:09:17 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-05T22:03:36 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-05T22:04:51 -!- specing [~specing@user/specing] has quit [Ping timeout: 276 seconds] 2022-07-05T22:05:00 -!- e-snail [~pete@user/e-snail] has quit [Quit: Gateway shutdown] 2022-07-05T22:05:39 -!- e-snail [~pete@user/e-snail] has joined ##stm32 2022-07-05T22:27:47 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-05T22:33:13 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-05T22:39:57 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-05T22:41:35 -!- specing [~specing@user/specing] has quit [Remote host closed the connection] 2022-07-05T22:43:36 -!- kaki [~kaki@188-67-210-111.bb.dnainternet.fi] has joined ##stm32 2022-07-05T22:44:19 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-05T22:47:01 < kaki> early updates 2022-07-05T22:49:00 < karlp> fuck brexit 2022-07-05T22:49:24 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-05T22:50:38 < BrainDamage> what's new? 2022-07-05T22:51:48 < qyx> doing CAN on esp32c3 2022-07-05T22:56:05 < kaki> karlp: but you from iceland? 2022-07-05T23:01:38 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-05T23:01:41 < Laurenceb> >bobby el crimo 3 2022-07-05T23:01:49 < Laurenceb> murica is literally gotham city at this point 2022-07-05T23:07:03 < kaki> it's not in news 2022-07-05T23:07:27 < kaki> but apparently new york is going back to past 2022-07-05T23:07:46 < kaki> criminals control the underground again 2022-07-05T23:08:26 < Laurenceb> the shooter from yesterday 2022-07-05T23:10:05 < zyp> karlp, I'm just saying, what a power only cable is supposed to do is anyone's guess when it's not even supposed to exist 2022-07-05T23:19:25 < kaki> Laurenceb: given that everyone and their grandma can buy a gun it's not such a suprise 2022-07-05T23:19:41 < Laurenceb> yeah 2022-07-05T23:20:06 < Laurenceb> muh latest traction control scheme could consume 1T FLOP at max performance... 2022-07-05T23:20:08 < Laurenceb> nasty 2022-07-05T23:20:40 < kaki> is that really necessary? 2022-07-05T23:21:16 < kaki> I mean 1TFLOPS to have traction control? 2022-07-05T23:21:27 < BrainDamage> are you calculating each atom in the wheels? 2022-07-05T23:21:32 < Laurenceb> probably not 2022-07-05T23:21:49 < kaki> how tight is loop frequency? 2022-07-05T23:21:52 < Laurenceb> BrainDamage: it simulates itself going into the future, then uses a clustering method 2022-07-05T23:21:56 < BrainDamage> how are you monitoring slippage? 2022-07-05T23:21:58 < Laurenceb> kaki: 500Hz 2022-07-05T23:22:08 < Laurenceb> BrainDamage: using sensorless invertors 2022-07-05T23:22:12 < BrainDamage> so armax model 2022-07-05T23:22:15 < Laurenceb> yeah 2022-07-05T23:23:34 < BrainDamage> you likely can create a state estimation of most of the params to reduce the model 2022-07-05T23:23:44 < BrainDamage> split out the constant stuff 2022-07-05T23:23:47 < Laurenceb> I assumed we could throw cpu cycles at it, but there is a limit 2022-07-05T23:24:08 < Laurenceb> maybe it could be optimised to GFLOPS, but still more than a pi could provide 2022-07-05T23:24:20 < Laurenceb> also it needs real time, maybe real time lunix 2022-07-05T23:24:40 < kaki> I mean average laptop integrated graphics have 1teraflop or something 2022-07-05T23:24:56 < BrainDamage> a tegra board has 10Tflop gpu 2022-07-05T23:25:25 < BrainDamage> but spending 1TFlop in traction control seems a bit absurd to me 2022-07-05T23:25:41 < BrainDamage> I'd at least throw a pca and see if you can reduce your model ... 2022-07-05T23:25:41 < kaki> it's bonkers 2022-07-05T23:26:53 < Laurenceb> hmm yeah 2022-07-05T23:26:58 < Laurenceb> maybe just run it on nvblas 2022-07-05T23:27:34 < kaki> with teraflops you can render graphics for comfuser game at decent rate 2022-07-05T23:29:27 < Laurenceb> Tegra K1 would do it 2022-07-05T23:31:22 < kaki> I mean I could play counter strike(go) @full hd @100hz or something with gpu that has 1TFLOPS cuda performance 2022-07-05T23:32:03 < kaki> or maybe 2TFLOPS but same magnitude 2022-07-05T23:35:59 < Steffanx> How many does it take to run kaki? 2022-07-05T23:36:12 < kaki> maybe 0.1 2022-07-05T23:36:44 < Steffanx> Hm 2022-07-05T23:40:38 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Quit: Leaving] 2022-07-05T23:40:56 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 --- Day changed ke heinä 06 2022 2022-07-06T00:02:10 < karlp> zyp: yar, I just wsn't being helpful :) 2022-07-06T00:02:57 < karlp> kaki: trying to be replacement vaccum cleaner parts. vendor seems to be proud of brexit, "only uk shipping!" https://cdn11.bigcommerce.com/s-lm3kf40fnq/product_images/uploaded_images/beldray-widget-banner.jpg 2022-07-06T00:07:30 -!- kaki [~kaki@188-67-210-111.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-06T00:08:06 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-06T00:08:55 < karlp> zyp: hwo does this "j 1b" thing work in riscv asm? https://github.com/openwch/ch583/blob/main/EVT/EXAM/SRC/Startup/startup_CH583.S#L93 it seems to somehow magically jump to where the _IRQHandler actually is? 2022-07-06T00:09:21 < kaki> karlp: they don't know how to ddp 2022-07-06T00:09:46 < karlp> ok, https://github.com/riscv-non-isa/riscv-asm-manual/blob/master/riscv-asm.md#labels was easier to find than I thought :) 2022-07-06T00:09:50 < karlp> but.. 2022-07-06T00:10:00 < karlp> no, that still would seem to mean it just jumps ina loop? 2022-07-06T00:10:29 < kaki> karlp: or they have uk only market set by vendor deal 2022-07-06T00:11:06 < zyp> karlp, huh, no idea really 2022-07-06T00:11:26 < kaki> third option is that they dont want your money and that is unlikelly 2022-07-06T00:11:41 < karlp> I suspect the magic wch attribute is doing something fucky in the compiler. 2022-07-06T00:11:49 < karlp> kaki: that's the actual vendor 2022-07-06T00:11:49 < zyp> ah 2022-07-06T00:12:02 < zyp> If you don't remember, the label 1f means to go to the numeric label 1 FORWARD of the given position. This is the opposite of 1b, which looks for a numeric label 1 BACKWARDS of the given position. 2022-07-06T00:12:10 < kaki> karlp: use laurence as proxy 2022-07-06T00:12:17 < zyp> so 1b is shorthand for «previous label» 2022-07-06T00:12:25 < karlp> kaki: they even have an ebay shop, proudly labelled as "actual vendor!" that _also_ only ships to the uk. 2022-07-06T00:12:35 < qyx> dear friends, ESP32 CAN working in 5 minutes 2022-07-06T00:12:45 < kaki> is the vacuum nice? 2022-07-06T00:12:48 < qyx> which is like 10x faster than on STM32 2022-07-06T00:12:49 < zyp> i.e. your «1: j 1b» is just «while(1);» 2022-07-06T00:12:50 < karlp> zyp: trying to see whether I can get vectored irqs working... 2022-07-06T00:13:22 < karlp> kaki: eh, it's cheap? I managed to open a bearing in the brushbar cleaning it, and now it doesn't spin well/at all. 2022-07-06T00:13:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 240 seconds] 2022-07-06T00:14:00 < kaki> and is not standard size bearing? 2022-07-06T00:14:02 < karlp> aiui, mode 1 of rsicv expects a table of jumps, and I suspect that jump immediate won't have enough address range for people putting things in ram or somesuch? 2022-07-06T00:14:12 < karlp> kaki: lol, it's a custom plastic bushing 2022-07-06T00:14:41 < kaki> you put oil on it and it doesn't spin anymore? 2022-07-06T00:15:12 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-06T00:15:30 < karlp> I don't want to open it and make it worse again right now, and spare parts are _advertised_ as existing and having reasonable prices.... just ... not delivered :) 2022-07-06T00:15:37 < karlp> I have options, just a general fuck brexit :) 2022-07-06T00:18:08 < karlp> trying to test some mounriver shits and objdump to see what finally ends up in the vector tables :) 2022-07-06T00:59:30 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-06T01:02:51 < karlp> aight, I think I'm not ever going to have sanity long enough to decode the extra wch modes. 2022-07-06T01:03:13 < karlp> options a) work out standard riscv mode 1 on gd32v which is better documented, see if that gets anywhere, 2022-07-06T01:03:36 < karlp> b) just stick with direct handled mode, and work on something useful? 2022-07-06T01:20:46 < karlp> I already regret reading gd32v cpu arch docs :) 2022-07-06T01:20:55 < zyp> haha 2022-07-06T01:21:12 < karlp> gives me more perspective, but not sure it was actually useful :) 2022-07-06T01:21:34 < karlp> pcbs for the wch ble project are at the post office, I shuld just work on the project itself I guess :) 2022-07-06T01:21:46 < zyp> I need to find time to play with the wch stuff one day, my collection recently grew 2022-07-06T01:22:07 < karlp> yup, think I'm just going to pretend vectored and custom vectored modes don't exist right now. I don't need interrupt latency.... 2022-07-06T01:22:08 < zyp> just need to finish up integrating and merging the orbtrace swo support first :) 2022-07-06T01:22:33 < karlp> sounds like it's going well though? 2022-07-06T01:23:00 < zyp> yeah, I've used it for real projects at work recently 2022-07-06T01:24:53 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 244 seconds] 2022-07-06T01:24:58 < zyp> autobauding manchester mode is awesome, needs no configuration, no working out «what speed am I actually dividing from and to», shit just works as long as it falls within the supported speed range and signal integrity isn't shit (because default drive on nrf52 is weak) 2022-07-06T01:28:07 < zyp> the remaining stuff to be done is mostly integration, putting in muxes between JTDO and SWO handling and between SWO and parallel trace in the trace pipeline 2022-07-06T01:28:22 < zyp> making sure everything plays nicely together 2022-07-06T01:38:36 < kaki>  did you know: domestication of the cat is the greatest innovation in human history 2022-07-06T01:46:02 < kaki> before cats food had to be consumed without delay 2022-07-06T01:49:49 < qyx> wat 2022-07-06T01:50:43 < kaki> food = crops 2022-07-06T01:57:30 < mawk> https://www.cnx-software.com/2022/07/04/geehy-apm32f103-clone-of-stm32f103-mcu-has-been-tested-to-work-without-pcb-or-code-modifications/ 2022-07-06T01:58:01 < kaki> or in this case I mean anything that would attract mouse and rats when piled up 2022-07-06T01:58:57 < mawk> my cat would be afraid of rats 2022-07-06T01:59:50 < kaki> piling up food = civilization 2022-07-06T01:59:59 < catphish> electronics question of the day... i have this circuit: https://i.imgur.com/dW1zAOU.png it has a major flaw, D5 has enough capacitance that even when EVSE_CP is at -12V, noise on that line still turns on Q6, what is the best solution here, my current thinking is to combine replacement of D5 with a low-capacitance diode, replace Q6 with a mosfet, and add an additional 2k7 resistor between D5 and GND 2022-07-06T02:00:22 < kaki> or instead of = I mean results into 2022-07-06T02:02:18 < kaki> hello catphish 2022-07-06T02:02:26 < kaki> pulldown resistor 2022-07-06T02:04:42 < kaki> hmm 2022-07-06T02:04:48 < catphish> it *must* be pulles down by exactly 2.7k 2022-07-06T02:05:22 < kaki> ah 2022-07-06T02:05:24 < catphish> so my thinking is pull it down with 2.7k then place mosfet (instead of bjt) after 2022-07-06T02:06:23 < kaki> maybe the problem isn't in this circuit but whatever is pulling MCU_CP up is not enough 2022-07-06T02:07:22 < kaki> I mean the noise via capacitance of diode.. that's not much current 2022-07-06T02:07:49 < mawk> if there's noise why not add a capacitor somewhere 2022-07-06T02:07:58 < catphish> i think i chose a particularly poor diode here 2022-07-06T02:08:24 < kaki> how bad is the noise? 2022-07-06T02:08:28 < catphish> actually a capacitor may actually be all that's needed here 2022-07-06T02:08:54 < kaki> do you have any characteristics of that noise? 2022-07-06T02:10:13 < catphish> nothing precise, but iirc from looking at the scope, it was a couple of hundred mV into that 2.7k load 2022-07-06T02:10:53 < catphish> enough to overpower the MCU's pull-up 2022-07-06T02:11:20 < catphish> but i've basically built a noise amplifier here 2022-07-06T02:11:51 < catphish> i do wonder if a simple external capacitor is all that's needed here though 2022-07-06T02:12:40 < catphish> so i'll try that first 2022-07-06T02:12:44 < mawk> hundred mV noise makes 30mA in Q6 2022-07-06T02:12:50 < mawk> if I computed correctly 2022-07-06T02:13:38 < mawk> but that depends how many hundreds 2022-07-06T02:14:53 < mawk> I would think using a mosfet makes it worse 2022-07-06T02:15:11 < catphish> pullup is up to 80k, not much current at all at 3.3V 2022-07-06T02:15:35 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-06T02:15:45 < kaki> it could 2022-07-06T02:16:29 < catphish> a strong pull-up, or a capacitor, or both, will probably fix this 2022-07-06T02:16:34 < kaki> yes 2022-07-06T02:16:47 < kaki> no mosfet 2022-07-06T02:17:23 < catphish> the idea of a mosfet is that i could then pull-down the gate 2022-07-06T02:18:06 < kaki> in that case that works 2022-07-06T02:18:12 < catphish> not sure why i didn't do that in the first place 2022-07-06T02:18:35 < catphish> in this case, i would put a 2.7k resistor from gate to GND 2022-07-06T02:19:07 < catphish> it would pull down the line by the required 2.7k but without that current going through the switch 2022-07-06T02:20:28 < kaki> you still might need harder pull up for mcu_cp given the noise 2022-07-06T02:20:49 < catphish> probably a good idea 2022-07-06T02:20:56 < catphish> and an easy hack 2022-07-06T02:23:20 < kaki> hmm but exposing gate to some external connector and device like that 2022-07-06T02:23:55 < kaki> how much that pin is speced to survive voltage and what are normal voltage ranges? 2022-07-06T02:25:05 < catphish> it expects to see -12V to +12V 2022-07-06T02:26:02 < kaki> you could use mosfet with gate absolute maximum of 20volts 2022-07-06T02:26:03 < catphish> a full redesign might look like this: https://i.imgur.com/IVzkKBr.png 2022-07-06T02:26:48 < kaki> ah nice 2022-07-06T02:26:57 < kaki> some series resistance there 2022-07-06T02:27:23 < kaki> but hey 2022-07-06T02:27:27 < kaki> try it out first 2022-07-06T02:27:33 < catphish> i didn't calculate the RC time constant there, so might need tuning 2022-07-06T02:27:40 < kaki> before ordering pcbs 2022-07-06T02:27:54 < catphish> but the truth is that this is last minute bug fixing so if i can just add a cap, i will 2022-07-06T02:28:15 < catphish> a respin is expsnsive 2022-07-06T02:28:41 < kaki> i dont see why bjt solution wouldn't work 2022-07-06T02:29:10 < kaki> add a cap, add a resistor, try stuff 2022-07-06T02:29:45 < catphish> my diode has a capacitance of 500pF, i believe this is quite high 2022-07-06T02:29:56 < catphish> yeah i think i will try stuff :) 2022-07-06T02:31:19 < kaki> 500pF wtf 2022-07-06T02:32:06 < kaki> generic 1000volt 1amp diode is like 12 2022-07-06T02:32:29 < catphish> china special diode 2022-07-06T02:32:54 < catphish> i really didn't think the properties of this diode mattered when i bought it 2022-07-06T02:33:47 < kaki> I mean.. how did you find such diode did you select "extra capacitance" 2022-07-06T02:34:27 < catphish> lol, i have no idea, i guess someone else used it in a design, and i thought yep, that's a diode that works 2022-07-06T02:35:01 < kaki> what is it? 2022-07-06T02:35:20 < catphish> it's a SS54 Schottky 2022-07-06T02:35:26 < catphish> basically a power diode 2022-07-06T02:35:45 < kaki> ah it's schottky 2022-07-06T02:35:48 < catphish> yeah 2022-07-06T02:35:55 < kaki> that makes sense 2022-07-06T02:37:05 < catphish> this is a minor aside to my main noise problem :( 2022-07-06T02:37:10 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-06T02:37:44 < catphish> my BMS which i thought i'd perfected is insanely sensitive to noise in the HV system :( 2022-07-06T02:38:16 < kaki> you have 5v amplitude now at transducer? 2022-07-06T02:38:25 < catphish> yes 2022-07-06T02:38:42 < kaki> that's great difference though 2022-07-06T02:38:49 < kaki> what else is new? 2022-07-06T02:39:32 < catphish> i have noise generated by both the charger and the inverter that completely obliterates the signal 2022-07-06T02:39:42 < catphish> my guess is that this must be common mode noise 2022-07-06T02:40:10 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-06T02:40:10 < catphish> but just way too much to easily filter 2022-07-06T02:41:06 < kaki> how long is the pair now? 2022-07-06T02:41:25 < catphish> this is in my car, line is about 100mm 2022-07-06T02:41:36 < kaki> 10cm? 2022-07-06T02:41:39 < catphish> yes 2022-07-06T02:41:42 < catphish> but the noise isn't coming from the line 2022-07-06T02:41:45 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 276 seconds] 2022-07-06T02:41:54 < catphish> (at least, i don't think it is) 2022-07-06T02:42:16 < catphish> it disappears 100% if i unplug line from battery 2022-07-06T02:42:41 < kaki> maybe it's DC-DC? 2022-07-06T02:43:00 < catphish> so my thinking is that the noise is actually common mode, with the HV batteries being coupled to GND somewhere 2022-07-06T02:43:39 < catphish> the noise is huge (10V+) of high frequency mess 2022-07-06T02:43:58 < kaki> you ordered those new chokes? 2022-07-06T02:44:12 < kaki> tried them on? 2022-07-06T02:44:15 < catphish> yes 2022-07-06T02:44:29 < catphish> in fact i did a whole board respin with the larger chokes 2022-07-06T02:44:50 < catphish> (and the 5v signal level) 2022-07-06T02:45:48 < catphish> but i think this design is designed to deal with pretty small differential between adjacent batteries 2022-07-06T02:46:26 < kaki> yes 2022-07-06T02:46:35 < catphish> where the potential difference between the HV system and my LV system is who knows what 2022-07-06T02:46:55 < catphish> they'e in theory isolated but in practice probably not totally isolated 2022-07-06T02:46:58 < kaki> but I dont think they isolate bms from LV 2022-07-06T02:47:26 < catphish> my BMS is running at LV, the battery slaves are at HV 2022-07-06T02:48:11 < catphish> those 2 systems are in theory isolated, but it wouldn't surprise me if there's some coupling somewhere in the charger 2022-07-06T02:49:38 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-06T02:50:11 < kaki> at least the motor itself might capacitivelly couple switching to chassis 2022-07-06T02:50:38 < kaki> where as your bms is sitting at lowest cell 2022-07-06T02:50:52 < catphish> my BMS is actually at HV+ (highest cell) 2022-07-06T02:51:05 < kaki> interesting 2022-07-06T02:51:08 < kaki> :o 2022-07-06T02:51:36 < catphish> rather, my BMS is at chassis GND, but it *talks to* the highest cell 2022-07-06T02:51:57 -!- kaki50 [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-06T02:51:58 < catphish> the slave (ADC) is at HV+ potential 2022-07-06T02:52:14 < catphish> an odd design choice i thought 2022-07-06T02:52:21 < kaki50> idk if it matters 2022-07-06T02:52:26 < catphish> in theory no 2022-07-06T02:53:55 < catphish> anyway i have some ideas, #1 idea is to put a transformer in the data line 2022-07-06T02:54:50 < catphish> i've ordered some 10Mbps Ethernet transformers, i feel like they *should* work. but it's a bit of a gamble 2022-07-06T02:55:26 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-06T02:55:30 < kaki50> hmm 2022-07-06T02:56:03 < catphish> option #2 is to give up and cry 2022-07-06T02:56:52 < catphish> option #3 is to isolate my BMS master, running the whole thing at B+ instead of chassis GND 2022-07-06T02:57:15 < catphish> this is a lot more complicated (isolated power supply and isolated CAN needed) 2022-07-06T02:57:21 < kaki50> yes 2022-07-06T02:58:13 < kaki50> are you running hv lines as tight pair symmetrically? 2022-07-06T02:58:50 < catphish> the data lines? yes. the actual power lines, not at all 2022-07-06T02:59:41 < catphish> the data lines between the HV ADC and the LV BMS master are a twisted pair 2022-07-06T02:59:47 < kaki50> yes 2022-07-06T02:59:57 < catphish> the high current power lines are all over the place 2022-07-06T03:03:00 < kaki50> even if those lines were symmetrical and would be coupled equally to chassis 2022-07-06T03:03:31 < kaki50> there would be still common mode noise 2022-07-06T03:03:52 < catphish> step 1 is to run the BMS from my laptop battery by USB and see if the problem goes away, if it does this will confirm the problem at least 2022-07-06T03:03:54 < kaki50> like half of maximum or something 2022-07-06T03:04:30 < catphish> ie disconnect BMS from chassis GND and test 2022-07-06T03:04:34 < kaki50> yes 2022-07-06T03:05:41 < kaki50> is the problem only when you get power out of inverter or have charger plugged in? 2022-07-06T03:05:45 < kaki50> and charging 2022-07-06T03:05:51 < catphish> yes 2022-07-06T03:06:07 < kaki50> if you have inverter powered and not switching - no problem? 2022-07-06T03:06:21 < catphish> correct 2022-07-06T03:06:38 < catphish> also, if i run HV heater (resistive load) no problem 2022-07-06T03:07:08 < kaki50> when do you get the transformer? 2022-07-06T03:07:10 < catphish> but any high speed switching on HV causes problem 2022-07-06T03:07:23 < catphish> tomorrow 2022-07-06T03:08:54 < catphish> i was quite excited about the possibility of having my car on the road next week, and i can still do that, so this is a very annoying distraction 2022-07-06T03:09:58 < kaki50> make a car - works as planned on first try 2022-07-06T03:10:50 < catphish> i was getting my hopes up before, everything worked on first try, charging was the final test 2022-07-06T03:11:22 < catphish> i was prepared not to care about BMS not working during driving (inverter has its own low voltage cutoff) 2022-07-06T03:11:33 < catphish> but it really does need to work during charging 2022-07-06T03:11:51 < kaki50> have you updated the forums? 2022-07-06T03:12:01 < catphish> yes, continuously 2022-07-06T03:24:08 < kaki50> I think you are not first to hit your toe on this 2022-07-06T03:24:15 < kaki50> *the first 2022-07-06T03:27:18 -!- ferdna [~ferdna@user/ferdna] has quit [Remote host closed the connection] 2022-07-06T03:27:46 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-06T03:33:11 < kaki50> it's exotic configuration though 2022-07-06T04:55:43 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-06T05:54:11 -!- [_] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-06T05:54:27 -!- [itchyjunk] is now known as Guest244 2022-07-06T05:54:27 -!- [_] is now known as [itchyjunk] 2022-07-06T05:57:41 -!- Guest244 [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-06T05:59:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 264 seconds] 2022-07-06T06:10:55 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-06T06:24:46 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has joined ##stm32 2022-07-06T07:27:22 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Read error: Connection reset by peer] 2022-07-06T07:56:41 -!- Jookia [~jookia@LuminaSensum/founder/Jookia] has joined ##stm32 2022-07-06T08:03:47 < Jookia> I have a noob question: When connecting a FT232-based SWD adapter to a blue pill board with a LED also attached to that pin, why does it seem to be unable to pull low to GND? It stays between 2.6V and 3.3V. The clock signal is there, but it doesn't go to 0V 2022-07-06T08:08:07 -!- toluene0 [~toluene@user/toulene] has joined ##stm32 2022-07-06T08:08:12 < Jookia> (Obviously connecting an LED to a data pin is a not smart move and I plan to rectify this later) 2022-07-06T08:08:24 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 244 seconds] 2022-07-06T08:08:24 -!- toluene0 is now known as toluene 2022-07-06T08:13:02 < Jookia> I've checked the SWD adapter schematics and the blue pill schematics and I don't see any pull-ups, so my only thought is that the FT232 is doing something weird and not pulling to GND but instead acting as a current source 2022-07-06T08:15:38 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-06T08:47:05 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-06T08:47:44 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-06T08:53:07 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-06T09:13:21 < jpa-> Jookia: maybe it is just strongly driving that pin to VCC? 2022-07-06T09:23:47 < Jookia> the FT232? the stm32 shouldn't be, it's at reset time 2022-07-06T10:10:54 -!- specing [~specing@user/specing] has quit [Ping timeout: 264 seconds] 2022-07-06T10:12:08 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-06T10:51:12 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-06T11:00:10 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-06T11:22:34 < PaulFertser> Jookia: I suggest you put that bluepill switch into "boot UART bootloader" mode, then you can be sure it's not driving SWD. 2022-07-06T11:31:58 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-06T11:33:15 -!- nikomo [~quassel@nikomo.fi] has quit [Ping timeout: 260 seconds] 2022-07-06T11:37:44 -!- nikomo [~quassel@nikomo.fi] has joined ##stm32 2022-07-06T11:40:48 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-06T11:42:47 -!- witx [~witx@193.137.28.238] has quit [Remote host closed the connection] 2022-07-06T11:49:14 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-06T12:14:28 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-06T12:23:22 -!- catphish [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-06T12:45:04 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-06T12:53:56 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-06T13:29:17 < mawk> I have a buck converter going 115°C with a 600mA load 2022-07-06T13:29:25 < mawk> is that expected? it's melting my enclosure 2022-07-06T13:29:26 < mawk> https://datasheet.lcsc.com/lcsc/2001171834_Silergy-Corp-SY8089A1AAC_C479074.pdf 2022-07-06T13:29:28 < mawk> it's this 2022-07-06T13:29:59 < qyx> sounds ez 2022-07-06T13:30:16 < mawk> wat 2022-07-06T13:33:08 < karlp> hrm, at 5V, it claims 90% effic at 600mA, so 3W consumed, 0.3333 wasted, 120°C/W, 40°C rise if you meet all their conditions... 2022-07-06T13:33:35 < karlp> and that would be things like 2oz copper and huge boards, so 60°C rise wouldn't be wildly unheard of? 2022-07-06T13:33:35 < mawk> hmm yes 2022-07-06T13:33:44 < karlp> sot23-x is a shitty package for thermal dissipation in general 2022-07-06T13:33:48 < qyx> but 115 is too much 2022-07-06T13:33:48 < mawk> yeah 2022-07-06T13:33:52 < mawk> thanks 2022-07-06T13:34:00 < karlp> 115-what, 30? yeah, still seems very high. 2022-07-06T13:34:12 < qyx> 115 °C 2022-07-06T13:34:14 < karlp> my ap63357 wsa getting ~double what the datasheet said I should be getting though. 2022-07-06T13:34:59 < karlp> you're looking at a 90-95°C rise? 2022-07-06T13:35:18 < karlp> what's the ratings on the inductor? youcould be overheating significantly there too. 2022-07-06T13:39:22 < mawk> I'm on the street, I'll look again when I come back 2022-07-06T13:39:27 < mawk> thanks 2022-07-06T13:45:38 -!- kaki50 [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-06T13:48:04 < englishman> hey zyp , it’s been at least a year, how is the new car? I’m thinking of trading in the tesla as i can get a great price for it 2022-07-06T13:49:30 < zyp> not a full year, I got it in october 2022-07-06T13:49:37 < zyp> but yeah, I like it 2022-07-06T13:49:49 < zyp> would buy again 2022-07-06T13:51:44 < englishman> which trim level? 2022-07-06T13:56:30 < mawk> what's trim level 2022-07-06T13:57:46 < karlp> which one again? did you get an ioniq or something? 2022-07-06T13:58:08 < zyp> ioniq 5 2022-07-06T13:58:43 < zyp> englishman, idk, premium or something, they only sell one level in norway 2022-07-06T13:58:47 < englishman> I’ll go see if they have any stock 2022-07-06T13:58:51 < englishman> ah Ok 2022-07-06T13:59:14 < englishman> the top trim here has 20 inch wheels which is a big turn off but besides that the car looks great on paper 2022-07-06T13:59:55 < zyp> ah, that's a separate option here 2022-07-06T14:00:46 < zyp> I could pick rwd/awd, 19"/20" wheels and whether I wanted glass roof or not 2022-07-06T14:01:24 < englishman> well first thing is to go see if they have stock i guess 2022-07-06T14:01:36 < zyp> yeah, good luck with that 2022-07-06T14:01:52 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-06T14:02:04 < englishman> the tesla has gone up in price a bunch, plus it is no longer eligible for the govt rebates, but the hyundai is, that’s another 13k 2022-07-06T14:02:25 < englishman> well even if its 6 months i could get in line and just keep the tesla 2022-07-06T14:02:37 < zyp> true 2022-07-06T14:06:38 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Remote host closed the connection] 2022-07-06T14:07:18 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-06T14:51:20 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-06T14:56:52 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-06T15:00:42 < josuah> while cleaning dust, I have found, within the dust, a 0603 SMD led 2022-07-06T15:01:01 < josuah> maybe if I do a heavy-duty spring cleanup I will find an SMT32 2022-07-06T15:01:09 < josuah> ^ modern era gold digger 2022-07-06T15:26:44 < Laurenceb> there are plenty of stm32 on ebay 2022-07-06T15:29:25 < specing> and on aliexpress 2022-07-06T15:32:18 < jpa-> and if you want genuine ones, lcsc has some models 2022-07-06T15:32:44 < specing> probably the same models as available on ali 2022-07-06T15:33:04 < specing> F401, F411, F103, .. 2022-07-06T15:37:10 < jpa-> it's easy to buy any chip, harder if it actually has to work beyond just having the correct text on top of it 2022-07-06T15:38:05 < jpa-> i wonder how many fake STM32F103's Mangy_Dog has bought already 2022-07-06T15:38:10 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 240 seconds] 2022-07-06T15:38:17 < Mangy_Dog> lately? 2022-07-06T15:38:19 < Mangy_Dog> none 2022-07-06T15:38:20 < Mangy_Dog> :p 2022-07-06T15:38:23 < Mangy_Dog> over the years 2022-07-06T15:38:27 < Mangy_Dog> maybe 30 2022-07-06T15:38:32 < Mangy_Dog> mostly in one batch 2022-07-06T15:38:35 < Mangy_Dog> or two 2022-07-06T15:39:47 < Mangy_Dog> i saw that there might be a new silicon clone of the f103 doing the rounds 2022-07-06T15:39:53 < Mangy_Dog> even lcsc stock it 2022-07-06T15:49:48 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-06T16:49:59 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-06T17:22:06 -!- bastian [~bastian@24.61.226.255] has joined ##stm32 2022-07-06T17:22:19 < bastian> anyone ever use i2c with dma as a slave device? 2022-07-06T17:22:51 < bastian> for some reason the slave transmit with dma doesnt somehow reset to a clean state with dma after initial successful transmission but it works fine without dma 2022-07-06T17:23:08 < bastian> wondering if somehow the EnableListen_IT should get moved to some DMA complete callback 2022-07-06T17:32:36 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-06T17:45:07 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-06T18:01:54 -!- bastian [~bastian@24.61.226.255] has quit [Quit: WeeChat 3.5] 2022-07-06T18:28:51 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-06T18:40:33 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-06T18:46:24 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-06T19:53:12 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-06T20:46:23 < Jookia> PaulFertser: Ooh, that's an idea. The only problem is I soldered it out of that mode. Oh well I'll fix it 2022-07-06T20:54:20 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-06T21:00:13 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-06T21:00:48 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-06T21:01:34 < PaulFertser> Jookia: if you pull /RESET to GND permanently you should also get stable SWD communication (but unable to run the core of course). 2022-07-06T21:01:52 < Jookia> interesting. I'll try all those today 2022-07-06T21:02:04 < PaulFertser> I wouldn't trust stlink's reset control especially if it's a clone stlink. 2022-07-06T21:02:10 < Jookia> my use case here is that I wired up a blue pill to a keyboard and said to myself 'I'll never need to replace the bootloader' 2022-07-06T21:02:36 < Jookia> I need to replace the bootloader 2022-07-06T21:03:20 < PaulFertser> I have a keyboard where its author decided SWD was never needed so it's not even routed to testpoints so debugging QMK is a real PITA. 2022-07-06T21:05:56 < Jookia> nice! 2022-07-06T21:06:56 * PaulFertser starts to imagine some obscure cases when PITA can be considered nice for real 2022-07-06T21:07:15 < Jookia> probably if you don't want people to fix or reverse engineer things you make 2022-07-06T21:09:06 < PaulFertser> Probably if you want to find a good excuse to not have anal sex and you have minor PITA that might be considered nice in a way. 2022-07-06T21:09:50 < BrainDamage> it's the name of a bread 2022-07-06T21:11:28 < catphish> morning 2022-07-06T22:03:38 -!- haritz [~hrtz@user/haritz] has joined ##stm32 2022-07-06T22:09:22 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-06T22:09:22 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-06T22:10:50 -!- specing_ is now known as specing 2022-07-06T22:20:51 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-06T22:21:42 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-06T22:25:48 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-06T22:29:41 -!- tabemann_ [~tabemann@172-13-49-137.lightspeed.milwwi.sbcglobal.net] has joined ##stm32 2022-07-06T22:30:06 -!- tabemann [~tabemann@2600:1700:7990:24e0:4002:5f1:9464:2bd4] has quit [Ping timeout: 264 seconds] 2022-07-06T23:08:30 -!- better_sleeping[ [~bettersle@2001:470:69fc:105::2:290b] has joined ##stm32 2022-07-06T23:10:09 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has joined ##stm32 2022-07-06T23:13:20 -!- better_sleeping[ [~bettersle@2001:470:69fc:105::2:290b] has left ##stm32 [] 2022-07-06T23:16:45 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 276 seconds] 2022-07-06T23:21:11 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-06T23:21:19 < kaki> catphish: box now 2022-07-06T23:24:13 < kaki> box 2022-07-06T23:24:40 < catphish> kaki: 1) simple capacitor fix works: https://i.imgur.com/QdoIlUa.jpg 2022-07-06T23:25:09 < catphish> 2) running BMS from laptop battery USB works, so problem is definitely common mode 2022-07-06T23:25:28 < kaki> 1) add adhesive 2022-07-06T23:25:37 < catphish> hot glue will be added :) 2022-07-06T23:26:29 < kaki> 2) did you get the transformer? 2022-07-06T23:26:38 < catphish> ethernet transformers have arrived, not tested yet 2022-07-06T23:27:42 < catphish> also today: re-installed brake lines and installed new cabin blower pipe 2022-07-06T23:27:48 < kaki> can ethernet transformer do 400VDC? 2022-07-06T23:27:49 < catphish> https://i.imgur.com/C0OeUZs.jpg 2022-07-06T23:27:58 < kaki> you will have caps in addition? 2022-07-06T23:28:41 < kaki> I think ethernet transformers go to some multiple of 1000V but I don't know if it's DC 2022-07-06T23:28:57 < catphish> kaki: caps are redundant if transformer works, transformer is 1000V+ rated 2022-07-06T23:29:03 < kaki> yes 2022-07-06T23:29:20 < catphish> if it helps, i will bypass them 2022-07-06T23:31:38 < qyx> catphone comms reestablished! 2022-07-06T23:39:52 < qyx> I am curious what the problem was 2022-07-06T23:40:00 < catphish> which problem? 2022-07-06T23:40:29 < catphish> my problem is noise between my HV and LV systems 2022-07-06T23:40:31 < qyx> capstone satellite comms died yesterday 2022-07-06T23:40:35 < catphish> oh 2022-07-06T23:40:42 < qyx> it was reestablished today 2022-07-06T23:40:52 < catphish> i assumed catphone was a reference to me :D 2022-07-06T23:41:22 < qyx> you are captish 2022-07-06T23:42:24 < qyx> at least my dyslexia though for a long time 2022-07-06T23:52:12 < Steffanx> Don't you know by now to not trust your dyslexia? 2022-07-06T23:56:47 < kaki> catphone 2022-07-06T23:57:13 < kaki> somebody feed that to that AI thing --- Day changed to heinä 07 2022 2022-07-07T00:00:59 < catphish> so today i drove (and tuned a little) a range rover with a tesla large drive unit in it 2022-07-07T00:04:54 < Steffanx> I want to see that fiat 126p drive around 2022-07-07T00:05:31 < catphish> the tesla LDU is insanely powerful, the 2-tonne car has quite scary amounts of acceleration 2022-07-07T00:06:30 < catphish> there's a video from today of them drifting an electric fiat 500 round the carpark 2022-07-07T00:08:23 < catphish> i look forward to seeing how fast my roadster can accelerate with the tesla motor 2022-07-07T00:23:36 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-07T00:23:39 < Laurenceb> keeek based boris 2022-07-07T00:35:43 < Laurenceb> the absolute state of simulink 2022-07-07T00:35:51 < Laurenceb> >someone put codez inside an ISR 2022-07-07T00:36:00 < Laurenceb> >now its really hard to interface with 2022-07-07T00:40:07 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-07T00:40:36 -!- ventYl [~ventyl@bband-dyn111.95-103-115.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-07T00:41:07 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-07T00:46:09 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-07T00:58:30 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-07T01:51:16 -!- toulene [~toulene@user/toulene] has joined ##stm32 2022-07-07T01:51:51 -!- toulene [~toulene@user/toulene] has quit [Remote host closed the connection] 2022-07-07T02:10:14 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-07T02:11:30 < karlp> lol, bought some music online. the server I get to download from doesn't report file sizes, and it's only offering ~25kB/sec downloads.... 2022-07-07T02:13:41 < karlp> zyp: you got a "better" hot air station right? you were keen on the ones that have an air tube insted of a fan in the handle? what's really different about that? 2022-07-07T02:14:54 < karlp> like something like https://www.aliexpress.com/item/1005004082597082.html vs a "normal" https://www.aliexpress.com/item/1005003342882202.html 2022-07-07T02:15:00 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Client Quit] 2022-07-07T02:15:09 < karlp> I mean, presets and a nicer wheel and a nicer lcd sure, but... in actual usability? 2022-07-07T02:20:18 < zyp> idk, I haven't tried those 2022-07-07T02:29:29 < karlp> ok. I've only used on of those 858D. and.... it's fine? but not sure what to compare it too :) 2022-07-07T02:29:36 -!- tabemann_ is now known as tabemann 2022-07-07T02:29:58 < karlp> looking at being a proper consumer for my birthdy and buying some stuff for home to have my own instead of what I bought for the office. 2022-07-07T02:33:36 < karlp> so it's a mix of "I can pay more and get nicer" and "is it actyually nicer?" 2022-07-07T02:46:30 < zyp> I'm happy with the one I got, but the only thing I've got to compare to is a metcal or something at the office 2022-07-07T02:46:50 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-07T02:51:51 < karlp> yeah, fair enough. 2022-07-07T02:52:04 < karlp> I think I might ignore a hot air right now, 2022-07-07T02:52:55 < karlp> still trying to decide on a aixun t3X handle size. got a 25yo genuine hakko 936, but it's a clunker to pull out for occasional home soldering so I put off shit until I can take it to the office 2022-07-07T03:19:16 < Mangy_Dog> https://twitter.com/MD_Builds/status/1544836546800541696 2022-07-07T03:21:49 < karlp> what are the exposed pad arrays for here: https://youtu.be/Ds2Xq3dwV30?t=731 and https://youtu.be/Ds2Xq3dwV30?t=439 ? is that trying to improve pcb manufacturing yield, or is that trying to increase heat dissipation without causing problems by having too much exposed? 2022-07-07T03:28:44 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [] 2022-07-07T03:49:14 < karlp> aight, fuck a hot air at home. that can be later. 2022-07-07T03:49:43 < karlp> bought a t210 aixun setup, not nano shit, but not jumbotron shit either 2022-07-07T04:41:48 < Jookia> do i need bootloader mode if i have SWD? 2022-07-07T04:46:51 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-07T04:51:09 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-07T05:00:06 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 264 seconds] 2022-07-07T05:59:04 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-07T06:11:14 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-07T06:57:59 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-07T07:32:41 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-07T07:42:11 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-07T08:04:07 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 256 seconds] 2022-07-07T08:16:45 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-07T08:24:21 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-07T08:27:20 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-07T09:55:35 < PaulFertser> Jookia: not really 2022-07-07T09:55:58 < PaulFertser> Jookia: it's just that on vanilla bluepill it's easy to switch to bootloader mode to ensure working SWD 2022-07-07T09:56:08 < Jookia> ah 2022-07-07T09:56:24 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-07T10:10:48 -!- specing [~specing@user/specing] has quit [Ping timeout: 244 seconds] 2022-07-07T10:11:48 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-07T10:35:58 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-07T10:36:39 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-07T10:40:57 < srk> Jookia: o/ 2022-07-07T10:41:14 < Jookia> o/ 2022-07-07T10:52:31 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-07T11:00:21 < jpa-> karlp: maybe they've prepared for reflowing a solid piece of copper on top if the trace would heat up too much otherwise 2022-07-07T11:14:08 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T11:16:42 -!- witx [~witx@193.137.28.238] has quit [Client Quit] 2022-07-07T11:24:32 -!- Ecco [~user@lfbn-idf1-1-1530-116.w90-90.abo.wanadoo.fr] has joined ##stm32 2022-07-07T11:24:57 < Ecco> Hi guys :) 2022-07-07T11:25:09 < Ecco> I have an interesting bug on an STM32H7 2022-07-07T11:25:31 < Ecco> Depending on how I build my code, the power usage in standby mode will either be 11uA (expected and good) or 800uA 2022-07-07T11:25:53 < Ecco> Pretty much the exact same code. Just adding a few "nops" and rebuilding can switch from the "good" case to the bad one 2022-07-07T11:26:05 < Ecco> Would you guys have any idea what might be going on here? 2022-07-07T11:26:38 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T11:27:42 < jpa-> Ecco: are you measuring after a power-on reset in both cases? otherwise the debug interface can stay active if you have used it to program the new code 2022-07-07T11:28:26 < Ecco> Yeah, there is no debugger attached whatsoever 2022-07-07T11:28:43 < Ecco> The code has been flashed, and the device powered down and then back up in each case 2022-07-07T11:29:21 < jpa-> floating inputs can do such things, but usually it will depend on whether your hands are in your pockets or not 2022-07-07T11:30:27 < Ecco> What do you mean? I think I set all the GPIOs as analog input 2022-07-07T11:30:29 < jpa-> adding nops will change a timing of all code in the firmware (because of cache & flash prefetch), but then there would have to be some timing-dependent bug in your standby code 2022-07-07T11:30:57 < Ecco> Indeed. But I really fail to see what would be timing-depending in the standby code 2022-07-07T11:31:08 < jpa-> do you disable interrupts? 2022-07-07T11:31:21 < jpa-> maybe you get some WFI vs. interrupt race condition 2022-07-07T11:33:04 < Ecco> what would happen in that scenario? 2022-07-07T11:34:20 < jpa-> depends on the code you use to enter standby 2022-07-07T11:35:09 < Ecco> Well, the code I use is very simple. It's 4 instructions. 2022-07-07T11:35:16 < jpa-> so, pastebin it? 2022-07-07T11:35:17 < Ecco> sev; wfe; nop; wfe; 2022-07-07T11:36:06 < Ecco> I'm not a 100% sure why I have a nop there to be honest 2022-07-07T11:36:14 < Ecco> But the technique is identical to the one described there : https://developer.arm.com/documentation/ka001269/latest 2022-07-07T11:37:54 < jpa-> what happens after that code, if the second wfe returns (due to some unexpected event)? 2022-07-07T11:40:36 < Ecco> Well, that's a good question 2022-07-07T11:40:52 < Ecco> And an interesting path to look at 2022-07-07T11:40:59 < Ecco> Let me look at this and report back :) 2022-07-07T11:41:01 < Ecco> thanks! 2022-07-07T11:41:03 < jpa-> :) 2022-07-07T11:43:06 < jpa-> if you have LPTIM configured, errata 2.10.1 may also be relevant - though LPTIM does not work in standby mode anyway 2022-07-07T11:51:58 < qyx> 800 uA sounds like debug interface active 2022-07-07T11:54:42 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 264 seconds] 2022-07-07T12:00:40 < Ecco> qyx: yeah, but there's no debugger plugged in 2022-07-07T12:01:47 -!- ventYl [~ventyl@bband-dyn38.178-40-240.t-com.sk] has joined ##stm32 2022-07-07T12:30:57 < mawk> is the uart interrupt TXE level-triggered? 2022-07-07T12:31:01 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-07T12:31:05 < mawk> like if it fires and I clear it, will it fire again 2022-07-07T12:35:14 < jpa-> mawk: only way to clear TXE bit is to write to the USART_DR, at which point the TX register is no longer empty 2022-07-07T12:35:28 < jpa-> but yes, it will fire again when the register gets empty again 2022-07-07T12:35:42 < mawk> ah right 2022-07-07T12:36:30 < mawk> thanks 2022-07-07T12:37:36 < jpa-> :) 2022-07-07T12:47:35 < catphish_> kaki: the BMS works on the bench (no noise) with a transformer inserted into the data line, so i will build a little transformer board to see if it solves the problem 2022-07-07T12:59:53 < Laurenceb> anyone here any good with iptables? 2022-07-07T12:59:55 < Laurenceb>  0 0 DROP udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 u32 "0x1c&0x1f000000=0x9000000" 2022-07-07T13:00:11 < Laurenceb> ^this rule isnt working, its meant to check first byte of payload 2022-07-07T13:01:16 < qyx> isn't there a u8 rule? 2022-07-07T13:02:30 < Laurenceb> dunno 2022-07-07T13:02:40 < Laurenceb> I've checked this with /dev/udp 2022-07-07T13:02:49 < Laurenceb> but something is wrong with my rule... 2022-07-07T13:03:26 < Laurenceb> sending data to /dev/udp and it seems to work, I'll test again 2022-07-07T13:04:02 < Laurenceb> how do I get hex on command line? 2022-07-07T13:04:39 < Laurenceb> nvm, xxd -r -p 2022-07-07T13:06:56 < Laurenceb> ok wut... now its not working 2022-07-07T13:08:16 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-07T13:10:21 < Laurenceb> ok wtf 2022-07-07T13:10:30 < Laurenceb> I cant make iptables block now 2022-07-07T13:12:09 < Laurenceb> http://www.stearns.org/doc/iptables-u32.current.html 2022-07-07T13:12:17 < Laurenceb> I've had this working before... 2022-07-07T13:12:31 < catphish_> i am good with iptables :) 2022-07-07T13:13:06 < catphish_> Laurenceb: please post iptables-save version, i can't read that -L crap 2022-07-07T13:13:22 < Laurenceb> sudo iptables -A INPUT -s 127.0.0.0/8 -p udp --dport 1251 -m u32 --u32 "27 & 0x1F000000 = 0x33000000" -j DROP 2022-07-07T13:13:23 < Laurenceb> ok 2022-07-07T13:13:35 < Laurenceb> 1.8.7 2022-07-07T13:14:07 < Laurenceb> I tried with 27,28, and 29 2022-07-07T13:14:11 < catphish_> dumb test, does it drop the packets if you remove the u32 check? 2022-07-07T13:14:13 < Laurenceb> it should be 28 in theory 2022-07-07T13:14:42 < catphish_> humour me: sudo iptables -A INPUT -s 127.0.0.0/8 -p udp --dport 1251 -j DROP 2022-07-07T13:15:02 < catphish_> make sure you're not allowing it with a conntrack rule for example 2022-07-07T13:15:06 < Laurenceb> yeah that works 2022-07-07T13:15:44 < catphish_> make sure you put this before any conntrack rules, or you'll have a bad (seemingly unpredictable) time 2022-07-07T13:16:10 < catphish_> because it'll only be blocked if it's the first packet in the stream (sorry if you know this already) 2022-07-07T13:17:12 < Laurenceb> nope I'm no expert on this 2022-07-07T13:17:19 < Laurenceb> whats a conntrack rule? 2022-07-07T13:17:22 < catphish_> can you paste your whole ruleset? 2022-07-07T13:17:57 < catphish_> conntrack rules look like "-m state ESTABLISHED,RELATED" 2022-07-07T13:18:15 < catphish_> most people have this at the start of their ruleset, to allow any packet that belongs to an already allowed connection 2022-07-07T13:18:31 < Laurenceb> https://pastebin.com/ypeFbT1a 2022-07-07T13:18:48 < catphish_> please iptables -D 2022-07-07T13:18:52 < catphish_> *iptables -D 2022-07-07T13:18:53 < Jookia> iptables-save 2022-07-07T13:18:55 < catphish_> arrrrrggh 2022-07-07T13:19:02 < catphish_> ********** iptables -S 2022-07-07T13:19:27 < catphish_> what Jookia said 2022-07-07T13:19:36 < Laurenceb> what does that do? 2022-07-07T13:19:44 < Jookia> outputs your iptables rules 2022-07-07T13:19:49 < catphish_> it prints a version of the rules that makes sense to nerds 2022-07-07T13:19:59 < specing> lol 2022-07-07T13:20:24 < Laurenceb> https://pastebin.com/jepLtVbU 2022-07-07T13:20:31 < catphish_> thanks, much better 2022-07-07T13:20:38 < catphish_> iptables -L is kinda messy and imprecise 2022-07-07T13:20:49 < Laurenceb> ok 2022-07-07T13:21:12 < catphish_> this will match your packets and allow them, no other rules will run. -A INPUT -s 127.0.0.0/8 -p udp -m udp --dport 1200:1299 -j ACCEPT 2022-07-07T13:21:29 < Laurenceb> wait wut 2022-07-07T13:21:31 < catphish_> iptables rules are processed in order, it will stop at the first match 2022-07-07T13:21:39 < Laurenceb> I thought last rule takes precidence 2022-07-07T13:21:44 < Laurenceb> ok now I'm confused 2022-07-07T13:21:44 < catphish_> nope, first 2022-07-07T13:21:50 < Laurenceb> argg so confusing 2022-07-07T13:22:00 < Laurenceb> yeah when I tested it I hadnt got that line in 2022-07-07T13:22:28 < catphish_> nope, very simple, it runs until it matches, and then stops, -J ACCEPT is like "return" in a program 2022-07-07T13:22:48 < Laurenceb> ok 2022-07-07T13:23:00 < Laurenceb> so lines 6 and 7 are in the correct order to block external stuff? 2022-07-07T13:23:02 < catphish_> so you need to put the specific DROP rules first, then it should work 2022-07-07T13:23:15 < catphish_> Laurenceb: yes 2022-07-07T13:23:19 -!- rajkosto [~rajkosto@178-222-117-241.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-07T13:23:45 < catphish_> Laurenceb: the normal order is 1) specific denys 2) specific allows 3) general public deny 2022-07-07T13:24:15 < Laurenceb> ah cool 2022-07-07T13:24:29 < catphish_> by the way, when testing can insert rules at the top using -I instead of -A 2022-07-07T13:24:33 < Laurenceb> so I just need to move the last line (ignore my ramdom test lines) to the top? 2022-07-07T13:24:37 < Laurenceb> ah ok 2022-07-07T13:24:53 < Laurenceb> ok I think I can fix it easily 2022-07-07T13:25:01 < Laurenceb> time for some coffeee first 2022-07-07T13:25:15 < catphish_> well i don't know quite what you want to achieve 2022-07-07T13:25:25 < catphish_> but seems like you understand now and can probably make it work :) 2022-07-07T13:25:49 < catphish_> just treat it like a procedural program and you;ll be fine 2022-07-07T13:25:59 < Laurenceb> yeah I want to block external UDP and also block specific UDP packets 2022-07-07T13:26:22 < Laurenceb> block external is for security and block specific is for tweaking my software functionality 2022-07-07T13:26:48 < catphish_> makes sense 2022-07-07T13:29:58 < Laurenceb> ah this works now, thanks 2022-07-07T13:30:26 < catphish_> cool 2022-07-07T13:30:29 * Laurenceb is trying to control interprocess comms by filtering specific packets and/or swapping them to different ports 2022-07-07T13:31:07 < benishor> why would you want to do that? 2022-07-07T13:31:45 < karlp> to test how the program respondsd to missing packets? 2022-07-07T13:45:30 -!- ventYl [~ventyl@bband-dyn38.178-40-240.t-com.sk] has quit [Ping timeout: 240 seconds] 2022-07-07T13:47:41 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has joined ##stm32 2022-07-07T13:50:53 < benishor> it's simple to test missing udp packets: don't send them all 2022-07-07T13:51:10 < karlp> then you need to edit the sending device/process. 2022-07-07T13:51:20 < karlp> easier to simulate unreliable links by making an unreliable link... 2022-07-07T13:51:49 < karlp> two days left of work before holidays, but pcbs, stencils and parts for a personal project arrived... 2022-07-07T13:51:55 < karlp> reallllly want to assemble that instead :) 2022-07-07T13:52:27 < Steffanx> So make it karlp's personal holidays. 2022-07-07T13:52:43 < benishor> I think netem would be a better choice 2022-07-07T13:52:58 < benishor> karlp: what's that personal project about? :) 2022-07-07T13:53:24 < karlp> https://github.com/karlp/veittur-p1-ble 2022-07-07T13:54:04 < benishor> cute 2022-07-07T13:57:55 < Steffanx> Does it have a useful ble stack? 2022-07-07T13:59:47 < Steffanx> 1MB flash, 32KB of wham. Lol 2022-07-07T14:00:23 < Laurenceb> benishor: actually this is for identifying specific data that needs to be handled by another application 2022-07-07T14:01:39 < karlp> Steffanx: not yet? :) but I've got basic btle ads working with the WCH blob, so... "just some sw" (tm) 2022-07-07T14:05:45 < Steffanx> Blob. 😢 2022-07-07T14:06:19 < benishor> Laurenceb: then why don't make the other application listen for that data? 2022-07-07T14:06:44 < benishor> you can use multicast to share the packages to more subscribers 2022-07-07T14:06:49 < Laurenceb> sure but I dont want to have to reconfigure applications not to listen etc 2022-07-07T14:06:52 < benishor> and each takes out what he needs 2022-07-07T14:06:54 < Laurenceb> yeah I'm using multicast 2022-07-07T14:09:22 < Steffanx> Maybe this is more a case of: "I make this so damn complex, I quit soon and they'll have to hire me for big munny to keep the system running". Which is an excellent idea of Laurenceb 2022-07-07T14:26:52 < Laurenceb> how can I identify an iptables rule to drop? 2022-07-07T14:31:48 < PaulFertser> Laurenceb: either specify full rule or use --line-numbers when listing. 2022-07-07T14:39:06 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-07T14:39:20 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has joined ##stm32 2022-07-07T14:45:04 < Laurenceb> iptables v1.8.7 (nf_tables): Couldn't load match `udp':No such file or directory 2022-07-07T14:45:06 < Laurenceb> wtf 2022-07-07T14:45:58 < specing> Is hyperloop just musk the CEO and Laurenceb the bosnian who does all the work? 2022-07-07T14:46:15 < Laurenceb> lol 2022-07-07T14:55:47 < Laurenceb> wtf 2022-07-07T14:55:50 < Laurenceb> udp isnt a file 2022-07-07T14:56:57 < Laurenceb>  Couldn't load match `udp':No such file or directory 2022-07-07T14:58:08 < Laurenceb> sudo iptables -D INPUT -s 127.0.0.0/8 -p udp -m udp --dport 1351 -j DROP 2022-07-07T14:59:05 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T15:03:05 < specing> it's because of sudo 2022-07-07T15:03:19 < specing> the kernel sees that you're a total noob and treats you as one! :) 2022-07-07T15:03:28 < Xogium> actually the udp match in iptables is... a file 2022-07-07T15:03:57 < Laurenceb> ok 2022-07-07T15:04:02 < Laurenceb> iptables v1.8.7 (nf_tables): u32: at char 0: not a number or out of range 2022-07-07T15:04:06 < Laurenceb> still breaking 2022-07-07T15:04:29 < Xogium> what os 2022-07-07T15:08:32 < Laurenceb> linux on raspberry pi 2022-07-07T15:08:57 < Xogium> yeah but armbian, raspbian, archlinux-arm ? 2022-07-07T15:09:07 < Xogium> manjaro ? 2022-07-07T15:09:09 < Laurenceb> raspbian 2022-07-07T15:09:27 < Xogium> do you have anything in dmesg ? 2022-07-07T15:09:43 < Laurenceb> no 2022-07-07T15:10:00 < Xogium> hmmm so it isn't a problem with loading the kernel modules 2022-07-07T15:11:55 < Xogium> iptables v1.8.8 (nf_tables) 2022-07-07T15:11:59 < Xogium> hmm 2022-07-07T15:12:01 < Xogium> works fine here 2022-07-07T15:12:13 < Xogium> I added that rule as a test then deleted it with the command you used 2022-07-07T15:12:24 < Xogium> it sounds like the raspbian package might be broken ? 2022-07-07T15:13:15 < Xogium> can you downgrade it ? 2022-07-07T15:13:42 < Xogium> or upgrade 2022-07-07T15:14:16 < Laurenceb> I'm trying to delete rules using a script 2022-07-07T15:14:26 < Laurenceb> maybe I could use line numbers 2022-07-07T15:14:47 < Xogium> right but I don't think scripts here would matter 2022-07-07T15:14:58 < Xogium> or do you mean you can run that command manually and it works ? 2022-07-07T15:15:30 < Laurenceb> hmm I'll try 2022-07-07T15:15:39 < Xogium> I'd suspect not 2022-07-07T15:15:59 < Laurenceb> yeah it runs manually 2022-07-07T15:16:25 < Xogium> also is the rule there ? It's a dumb question but maybe the error message given there is wrong and it is trying to tell you there is no such rule 2022-07-07T15:16:54 < Xogium> on my side the message is this one, but maybe in an older nftables/iptables it is 2022-07-07T15:17:00 < Xogium> iptables: Bad rule (does a matching rule exist in that chain?). 2022-07-07T15:17:11 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has quit [Ping timeout: 244 seconds] 2022-07-07T15:19:11 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has joined ##stm32 2022-07-07T15:19:33 < Laurenceb>  sudo iptables -S | grep "0x33" | cut -c 3- | while read rule; do echo $rule ; sudo iptables -D $rule ; done 2022-07-07T15:21:21 < Xogium> can you see what iptables tells you if you try to delete the rule when it isn't added in the first place ? 2022-07-07T15:21:32 < Laurenceb> same as your warning 2022-07-07T15:21:36 < Xogium> ah 2022-07-07T15:21:39 < Xogium> there goes my theory lol 2022-07-07T15:22:15 < Xogium> I wonder if something gets messed up by the shell script and all those grep commands maybe 2022-07-07T15:23:51 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-07T15:25:04 < Xogium> what is that grep and cut command combo doing ? 2022-07-07T15:25:40 < Laurenceb> cutting off the -A 2022-07-07T15:26:05 < Xogium> ah 2022-07-07T15:26:46 < Xogium> but the 0x33, what is it ? Number of the rule ? 2022-07-07T15:26:58 < Xogium> asking because I tried it on my side here and it doesn't match anything 2022-07-07T15:27:18 < Laurenceb> yeah its inside the rule 2022-07-07T15:27:34 < Laurenceb>  sudo iptables -S | grep "0x33" | cut -c 3- | while read rule; do echo $rule ; sudo iptables -D $rule ; done 2022-07-07T15:27:34 < Laurenceb> INPUT -s 127.0.0.0/8 -p udp -m udp --dport 1251 -m u32 --u32 "0x1c&0x1f000000=0x33000000" -j DROP 2022-07-07T15:27:59 < Xogium> does that work in your shell, without the script ? 2022-07-07T15:28:28 < Xogium> trying to identify why it breaks here 2022-07-07T15:30:14 < Xogium> it must be somewhere around the while loop that it breaks 2022-07-07T15:30:28 < Xogium> if the grep works, and obviously it does 2022-07-07T15:32:45 < Xogium> I wonder if the u32 thingy which I ran into here 2022-07-07T15:33:02 < Xogium> is due to shell not escaping or escaping things it shouldn't 2022-07-07T15:34:21 < Xogium> so I don't get the no such file or directory error, but I get the u32 one 2022-07-07T15:35:19 < Laurenceb> yeah it works without the shalle script, just entering into the terminal 2022-07-07T15:36:30 < Xogium> let me try something 2022-07-07T15:36:31 < Laurenceb> hmm I have " in a bash string 2022-07-07T15:37:41 < Xogium> how interesting 2022-07-07T15:38:03 < Xogium> sudo iptables -D INPUT -s 127.0.0.0/8 -p udp -m udp --dport 1251 -m u32 --u32 "0x1c&0x1f000000=0x33000000" -j DROP 2022-07-07T15:38:06 < Xogium> worked without a problem 2022-07-07T15:38:30 < Xogium> sudo iptables -S | grep "0x33" | cut -c 3- | while read rule; do echo $rule ; sudo iptables -D $rule ; done 2022-07-07T15:38:55 < Xogium> it grepped fine, then 2022-07-07T15:39:11 < Xogium> iptables v1.8.8 (nf_tables): u32: at char 0: not a number or out of range 2022-07-07T15:41:43 < catphish_> Xogium: i suspect it's passing a literal " 2022-07-07T15:42:14 < catphish_> when you send "123" as a parameter, the actual parameter is 123 and the quotes are just a container 2022-07-07T15:42:46 < Xogium> catphish_: what I'm think too 2022-07-07T15:42:55 < catphish_> but in your script, the *whole* $rule becomes a single parameter 2022-07-07T15:42:56 < Xogium> *thinking 2022-07-07T15:43:05 < Xogium> yeah 2022-07-07T15:43:25 < Xogium> might be why Laurenceb is having so much trouble 2022-07-07T15:43:25 < catphish_> Xogium: i'd strongly recommend using iptables-restore when mangling like this 2022-07-07T15:44:01 < catphish_> iptables-save | change-stuff-here | iptables-restore 2022-07-07T15:44:09 < Laurenceb> yeah 2022-07-07T15:44:30 < Laurenceb> how do I "expand" $rule  ? 2022-07-07T15:44:56 < catphish_> i wondered that, i have no idea 2022-07-07T15:46:28 < catphish_> https://stackoverflow.com/questions/7454526/variable-containing-multiple-args-with-quotes-in-bash 2022-07-07T15:48:08 < catphish_> hacky solution: iptables -D $(echo $rule) 2022-07-07T15:48:37 < Laurenceb> aha yeah 2022-07-07T15:48:45 < catphish_> there's a better solution using set and $@ but i don't totally understand it 2022-07-07T15:49:02 < catphish_> but see also, my answer about iptables-restore 2022-07-07T15:49:47 < catphish_> iptables-save | grep -v "0x33" | iptables-restore 2022-07-07T15:50:08 < Laurenceb> hmm doesnt work 2022-07-07T15:50:22 < Laurenceb> even echo -e -n fails 2022-07-07T15:50:22 < catphish_> don't forget sudo 2022-07-07T15:50:54 < catphish_> the iptables-restore way should be simple, safe, and effective 2022-07-07T15:51:11 < catphish_> unless for some reason you don't have this tool 2022-07-07T15:51:20 < catphish_> (and it's atomic) 2022-07-07T15:52:26 < Laurenceb> what does iptables-restore do? 2022-07-07T15:53:28 < Laurenceb> oh I see now, cool 2022-07-07T15:53:35 < Laurenceb> it just sets the rules all at once 2022-07-07T15:54:33 < Laurenceb> cool thats works, thanks for the help 2022-07-07T15:54:36 < Laurenceb> *that 2022-07-07T15:56:36 < catphish_> correct, and great! 2022-07-07T16:01:10 < Xogium> catphish_: good one for iptables-restore. I use this, but I never tried to use with a script, and I wasn't sure how it would work. Kind of why I didn't mention it in this case 2022-07-07T16:01:23 < Xogium> couldn't provide a way to make it work 2022-07-07T16:25:57 < witx> Hi all. Using chibios + lwip is there a way to verify that checksums are indeed being offloaded to hardware? 2022-07-07T16:26:16 < witx> I believe I have the correct configuration but I'm not sure how to check 2022-07-07T16:26:59 < jpa-> grep to find the function that does the checksum calculation by software, set breakpoint there and see if it gets hit 2022-07-07T16:32:48 < witx> that's a good idea I'll try that. I believe there's also a register ETH_MACCR_IPCO. just found it now 2022-07-07T16:33:15 < witx> bit on the MAC register* 2022-07-07T16:36:01 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-07T16:39:40 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-07T16:49:41 < catphish_> Xogium: the clever part is that it's atomic so you can safely read and write simultaneously as it won't commit each table until it's told to, which won't happen until it's done reading 2022-07-07T16:52:12 < Xogium> catphish_: yup I never used a shell script to do iptables rules. I had no idea how to interface shell scripts with iptables-restore though 2022-07-07T16:55:15 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-07T16:56:33 < catphish_> Xogium: i used to use a central management system to generate rules then push them out to hosts and pass them through iptables-restore to apply them, very useful 2022-07-07T16:56:53 < catphish_> linux network admin was my dayjob :) 2022-07-07T16:56:53 < Xogium> catphish_: fancy stuff indeed 2022-07-07T16:57:18 < Xogium> catphish_: oh, nice. I learned network stuff cause I had to, but I ended up liking it 2022-07-07T16:58:24 < karlp> my only advice is to not try sudo piping iptables around if you're logged in via ssh :) 2022-07-07T16:58:50 < Xogium> karlp: indeed 2022-07-07T16:59:09 < Xogium> I used, err. What was that thing called again 2022-07-07T16:59:38 < karlp> Steffanx: blobs are all around us. learn to love the blob.... :) 2022-07-07T16:59:41 < catphish_> for automation, it makes sense to permit sudo iptables without a password 2022-07-07T17:00:29 < catphish_> myuser ALL=(ALL) NOPASSWD: /usr/sbin/iptables-restore 2022-07-07T17:00:51 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-07T17:01:09 < Xogium> https://github.com/Thermi/netfilter-samples/tree/master/iptables-failsafe 2022-07-07T17:01:12 < catphish_> alternatively, if you're not automating, you can tell ssh to create a VT and then sudo will work, i forget how 2022-07-07T17:01:12 < Xogium> ahah, got it 2022-07-07T17:01:30 < catphish_> ssh -t 2022-07-07T17:02:05 < Xogium> catphish_: I believe he meant in the sense that if you do something dumb you could lock yourself out 2022-07-07T17:02:29 < catphish_> oh yeah, that! yes 2022-07-07T17:02:51 < catphish_> best to learn locally first :) 2022-07-07T17:03:09 < Xogium> or use a failsafe ;) 2022-07-07T17:03:59 < Xogium> that command will ask you something and if you don't answer it times out and rolls back your previous rules 2022-07-07T17:04:01 < catphish_> i have been known to run iptables-save > backup; iptables-restore < newrules; sleep 30; iptables-restore < backup 2022-07-07T17:05:01 < catphish_> ah i see, that too above does that (even though the readme doesn't mention it) 2022-07-07T17:05:13 < Xogium> yeah the readme is... Lacking to say the least 2022-07-07T17:05:34 < catphish_> useful 2022-07-07T17:05:51 < Xogium> there is also iptables-apply utility that more or less does the same 2022-07-07T17:05:59 < catphish_> ah ok 2022-07-07T17:06:06 < catphish_> it does mention that, but i didn't look it up 2022-07-07T17:06:28 < Xogium> I'm not sure which one came first 2022-07-07T17:06:37 < Xogium> :D 2022-07-07T17:07:52 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T17:16:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-07T17:18:42 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-07T17:18:50 < Laurenceb> anyone here ever used simulink? 2022-07-07T17:19:13 < Laurenceb> I need to connect an isr to some timer based code using queues, but need to know how much data is in the queu 2022-07-07T17:46:09 < zyp> good luck 2022-07-07T17:57:17 < Steffanx> Thanks 2022-07-07T18:17:22 < tct> Steffanx <3 2022-07-07T18:17:30 < tct> What's happening with your farmers? 2022-07-07T18:28:33 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-07T18:41:06 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T18:44:50 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-07T18:53:05 < Steffanx> They are going mad over some new yet unspecified regulations, tct 2022-07-07T18:53:49 < Steffanx> So now they are blocking roads, distribution centers of supermarkets and what not 2022-07-07T18:53:52 < tct> Steffanx, "unspecified" ? 2022-07-07T18:54:17 < Steffanx> They even visited some politicians at home 2022-07-07T18:54:44 < tct> is this the typical 21st century "EVERYTHING IS BAD!!!!111" or is it legit bad? 2022-07-07T18:55:13 < Steffanx> Yeah, the NOx "production" has to be lowered, farmer have a major part in that. There are plans to buy the farmers out etc. They're not happy 2022-07-07T18:55:24 < Steffanx> Farmers* 2022-07-07T18:55:48 < tct> to the point where police has to actively point a gun at a dude in a tractor? 2022-07-07T18:56:31 < tct> https://pr0gramm.com/top/Bauer%20sucht%20Streit/5224292 2022-07-07T18:57:41 < Steffanx> Yeah. But the policeman was crazy here. And lucky no one got injured 2022-07-07T18:58:04 < tct> dutchland going ami-style 2022-07-07T18:58:18 < Steffanx> Oh that's not this video. There actually a video of one firing a few shots. 2022-07-07T18:58:45 < tct> lol 2022-07-07T18:58:55 < tct> someone's gonna have some explaining to do I guess 2022-07-07T19:00:47 < Steffanx> I still have to read into it all more before I can judge if the farmers are right or not. 2022-07-07T19:01:23 < tct> me neither - hence I was asking you 2022-07-07T19:02:02 < Steffanx> But our politicians suck. "We need to buy out farmers, do we can build houses". 2022-07-07T19:02:13 < Steffanx> That's what a few said a few time. 2022-07-07T19:02:34 < tct> is that before or after you're going to continue fracking? :D 2022-07-07T19:03:28 < Steffanx> While this entire plan was "we need fewer farmers, because the NOx is bad for our nature". So what is it, houses or nature? 🤔 2022-07-07T19:04:09 < Steffanx> We dont really frack here. Its the good old way. 2022-07-07T19:04:48 < Steffanx> OK we do, but that probably not what you are referring to. Or maybe you are 2022-07-07T19:05:39 < Steffanx> Oh apparently we do it more than I thought :ap 2022-07-07T19:05:44 < tct> yes ;) 2022-07-07T19:08:02 < Mangy_Dog> is there a way to make a non destrictive object within a function, that stays when the function exits? 2022-07-07T19:09:37 < Mangy_Dog> i think the awnsers no but im trying to brainstorm out a problem 2022-07-07T19:17:28 < tct> context? language? what are you trying to do? 2022-07-07T19:18:09 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-07T19:22:22 < jpa-> Mangy_Dog: "static" in front of the variable declaration 2022-07-07T19:23:05 < jpa-> it'll get created automatically on first function call, if you want to control when it is created, make it "static MyClass* myobjectptr = nullptr;" 2022-07-07T19:23:24 -!- rajkosto [~rajkosto@178-222-117-241.dynamic.isp.telekom.rs] has quit [Quit: Leaving] 2022-07-07T19:23:27 < jpa-> (or std::option<> if you are fancy) 2022-07-07T19:26:18 < zyp> std::optional<> 2022-07-07T19:29:18 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-07T19:30:24 < jpa-> ah, yeah, my c++ is a bit rusty ;) 2022-07-07T19:30:47 < Steffanx> One thing at a time, tct 2022-07-07T19:31:35 < Mangy_Dog> ohh 2022-07-07T19:31:40 < Mangy_Dog> and yeah c++ sorry 2022-07-07T19:32:03 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 256 seconds] 2022-07-07T19:32:04 < tct> Mangy_Dog, then what jpa- said. just static :) 2022-07-07T19:32:09 < Mangy_Dog> thankies 2022-07-07T19:32:17 < tct> welcomies 2022-07-07T19:32:42 < zyp> jpa-, created on first function call? 2022-07-07T19:33:00 < zyp> aren't function statics constructed at a startup, like globals? 2022-07-07T19:33:05 < zyp> -a 2022-07-07T19:33:34 < jpa-> i thought they are constructed on first function call 2022-07-07T19:34:12 < zyp> I've never looked too hard into it, but I believed they are like globals, just not with a globally available symbol 2022-07-07T19:35:04 < tct> > Variables declared at block scope with the specifier static have static storage duration but are initialized the first time control passes through their declaration (unless their initialization is zero- or constant-initialization, which can be performed before the block is first entered). On all further calls, the declaration is skipped. 2022-07-07T19:39:10 < zyp> indeed it does 2022-07-07T19:39:16 < zyp> test case on godbolt: https://godbolt.org/z/8r47jTohE 2022-07-07T19:42:16 < zyp> that means it can also take constructor arguments that depends on local variables at construction time: https://godbolt.org/z/8xMj9sYKv 2022-07-07T19:43:10 < tct> indeed 2022-07-07T19:43:59 < karlp> hoho, that would be a nice trap for someone to wtf over... 2022-07-07T19:44:48 < karlp> been implementing a wx ui for a bt time service, was getting garbage values, clocks going to fast, fractions not changing... 2022-07-07T19:44:49 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has quit [Ping timeout: 244 seconds] 2022-07-07T19:44:52 < karlp> thought I was decoding wrong... 2022-07-07T19:45:06 < karlp> no... device side was just not complete :) 2022-07-07T19:45:18 < karlp> time.fractions = 1234; // TODO let's get some of the basics up first... 2022-07-07T19:45:50 < jpa-> // modulus, how does it work even? let's wait for karl to tell us 2022-07-07T19:46:29 < karlp> / works just like magnets, with magic... 2022-07-07T19:46:47 < karlp> is that what you wanted? 2022-07-07T19:47:03 < jpa-> after all these years, i never remember how negative number division rounds in C 2022-07-07T19:47:59 < karlp> cast to uint, round, cast ... back? ;) 2022-07-07T19:55:05 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-07T20:12:43 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-07T20:16:59 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-07T21:20:40 < zyp> jpa-, IIRC it rounds the wrong way, 2022-07-07T21:20:57 < GenTooMan> karlp, I rarely use uint by itself not explicit enough. 2022-07-07T21:21:13 < zyp> but I'm not sure what the right way was 2022-07-07T21:22:01 < zyp> ah, no, disregard, I'm thinking of negative number modulo 2022-07-07T21:22:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping 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ZZZzzz…] 2022-07-08T11:41:56 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-08T11:46:46 -!- drkow [~k\o\w@72.53.232.139] has quit [Read error: Connection reset by peer] 2022-07-08T11:47:11 -!- drkow [~k\o\w@72.53.232.139] has joined ##stm32 2022-07-08T11:57:00 -!- drkow [~k\o\w@72.53.232.139] has quit [Ping timeout: 276 seconds] 2022-07-08T12:08:21 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 276 seconds] 2022-07-08T12:19:44 -!- witx [~witx@193.137.28.238] has quit [Quit: leaving] 2022-07-08T12:20:10 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-08T12:28:10 -!- specing [~specing@user/specing] has quit [Ping timeout: 244 seconds] 2022-07-08T12:28:19 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-08T12:29:55 -!- specing_ is now known as specing 2022-07-08T12:48:21 -!- specing [~specing@user/specing] has quit [Ping timeout: 276 seconds] 2022-07-08T12:50:16 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-08T12:53:21 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-08T13:00:40 -!- specing [~specing@user/specing] has quit [Ping timeout: 260 seconds] 2022-07-08T13:13:48 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has joined ##stm32 2022-07-08T13:17:57 -!- catphish_ [~charlie@user/catphish] has quit [Ping timeout: 260 seconds] 2022-07-08T13:23:50 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-08T13:45:50 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-08T14:01:05 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [] 2022-07-08T14:03:11 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-08T14:30:15 < benishor> ola 2022-07-08T14:30:25 < benishor> what tweezers are you guys using for 0402? 2022-07-08T14:31:21 < jpa-> some ebay cheapies 2022-07-08T14:35:53 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-08T14:35:57 < Laurenceb> lol the state of simulink 2022-07-08T14:36:16 < Laurenceb> >used chart recorder to copy data out of isr to main code 2022-07-08T14:36:19 < Laurenceb> lolling hard 2022-07-08T14:36:35 < mawk> what did you do to boris Laurenceb 2022-07-08T14:36:48 < jpa-> gave some hairstyle advice 2022-07-08T14:36:50 < Laurenceb> lol hes so lame 2022-07-08T14:37:01 < Laurenceb> problem is the alternatives are worse 2022-07-08T14:37:10 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has quit [Ping timeout: 240 seconds] 2022-07-08T14:37:50 < jpa-> https://imgur.com/gallery/nTqGGqq i think they look smart in comparison 2022-07-08T14:39:21 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has joined ##stm32 2022-07-08T14:44:53 < Laurenceb> wait no simulink still fails 2022-07-08T14:45:05 < Laurenceb> doesnt support variable length CAN mailboxes 2022-07-08T14:45:07 < Laurenceb> epin fail 2022-07-08T14:48:23 < Laurenceb> the absolute state of simulink 2022-07-08T14:48:43 < Laurenceb> I could fill the buffer with a random value, but the data is in binary format 2022-07-08T14:49:35 < Laurenceb> maybe stick an avr on the can bus to manipulate the messages... 2022-07-08T15:00:25 < Laurenceb> I just heard Sam Hyde was arrested in Japan 2022-07-08T15:09:28 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-08T15:50:23 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 256 seconds] 2022-07-08T15:50:43 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-08T15:55:23 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-08T16:02:41 < Laurenceb> >looks like toy for under 4 year olds 2022-07-08T16:02:45 < Laurenceb> >doesnt work 2022-07-08T16:02:56 < Laurenceb> >turns into spaghetti for any serious project 2022-07-08T16:09:55 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-08T16:16:39 < Laurenceb> think I can make it work with inline matlab code based state machine logic to control the chart recorder, then filling the chart recorder with a special flag byte that doesnt occur as a variable delimiter within the binary data 2022-07-08T16:16:43 < Laurenceb> wtf simulink 2022-07-08T16:16:59 < Laurenceb> like playing with toys for 3 year olds 2022-07-08T16:17:16 < GenTooMan> hmm or watching teletubies? 2022-07-08T16:17:20 < Laurenceb> lmao 2022-07-08T16:17:59 < Laurenceb> >teletubby vacuum cleaner controller 2022-07-08T16:20:25 < GenTooMan> is that the controller with the giant buttons that have symbols no adult can understand? 2022-07-08T16:22:09 < Laurenceb> yeah 2022-07-08T16:22:22 < Steffanx> Noo-noo 🤘 2022-07-08T16:31:33 < Laurenceb> lollll 2022-07-08T16:31:47 < Laurenceb> >need a loicense to use all the queue functionality 2022-07-08T16:31:57 < Laurenceb> the state of this 2022-07-08T16:32:24 < Laurenceb> wurk already paid about 10k for simulink loicenses 2022-07-08T16:32:34 < Laurenceb> just use gcc already 2022-07-08T16:32:43 < Laurenceb> oh wait.... simulink uses gcc internally lmao 2022-07-08T16:33:31 < Laurenceb> internally it literally generates a horrific 100k line single c file then passes it to gcc 2022-07-08T16:40:26 < Steffanx> Imagine the code still being more readable than yours Laurenceb 2022-07-08T16:40:50 < specing> lol 2022-07-08T16:49:09 -!- hackkitten [~hackkitte@2a00:6020:5090:5700::e34] has quit [Quit: Leaving] 2022-07-08T16:51:46 -!- hackkitten [~hackkitte@2a00:6020:5090:5700::e34] has joined ##stm32 2022-07-08T17:43:29 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-08T18:37:07 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-08T19:03:03 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-08T19:05:28 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-08T19:52:50 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-08T19:57:19 -!- c10ud [~c10ud@user/c10ud] has quit [Read error: Connection reset by peer] 2022-07-08T20:12:19 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-08T20:29:45 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 256 seconds] 2022-07-08T20:38:40 -!- kraiskil [~kraiskil@45.9.249.35] has joined ##stm32 2022-07-08T20:40:15 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-08T20:43:09 -!- kraiskil [~kraiskil@45.9.249.35] has quit [Ping timeout: 244 seconds] 2022-07-08T20:53:44 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-08T20:55:11 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-08T20:55:30 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-08T21:17:27 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-08T21:25:47 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-08T21:52:48 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-08T22:06:44 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-08T22:55:24 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-08T23:33:40 < kaki> hello summer night crew 2022-07-08T23:42:08 < kaki> catphish: box box 2022-07-08T23:45:40 < catphish> kaki: good news, the transformer works in the car, communications are success when charging, just need to do proper installation 2022-07-08T23:46:03 < catphish> also front end of car now finished and bolted back together :) 2022-07-08T23:48:29 < kaki> scratch some edge of pcb and then put a big blob of thick eboxy there and then dump the transformer there 2022-07-08T23:53:06 < kaki> I think hot snot might chip off because of pcb copper layer sinks all the heat before it sticks well 2022-07-08T23:53:19 < kaki> at least for metal pieces this is the case --- Day changed la heinä 09 2022 2022-07-09T00:02:33 < kaki> hot glue bond strength seems to be in function of bond layer temperature and time of that temperature 2022-07-09T00:02:52 < kaki> generally: wetting 2022-07-09T00:03:12 < catphish> actually my plan is to buy SOIC16 breakout boards, mount transformers on there, solder on wires, then heatshrink inline with cable 2022-07-09T00:03:49 < kaki> not bad 2022-07-09T00:04:12 < kaki> catphish: as laurence is not here what do you feel about this boris thing? 2022-07-09T00:05:28 < catphish> well, i don't like boris, he seems insincere, and i don't like his political party anyway, so my opinion is that we need to vote for someone else 2022-07-09T00:06:37 < kaki> but where do you find a guy with such crazy hair? 2022-07-09T00:08:52 < kaki> https://www.youtube.com/watch?v=vsYgJo_c-mc 2022-07-09T00:09:11 < catphish> hopefully, we don't 2022-07-09T00:12:55 < Steffanx> Yes because it's the hair that makes a politician good or bad. 2022-07-09T00:13:13 < Steffanx> I cannot become a good one then. 2022-07-09T00:13:51 < Steffanx> How's your hair doing today, kaki 2022-07-09T00:14:05 < kaki> today good 2022-07-09T00:14:17 < kaki> doesn't look like birbs nest 2022-07-09T00:14:50 < Steffanx> Should go army style. Its very efficient 2022-07-09T00:15:14 < kaki> I use minimal enerhy aproach 2022-07-09T00:15:34 < kaki> and it's not bald.. that actually requires maintaining 2022-07-09T00:17:40 < Steffanx> Its very efficient. No need to dry it after sauna or showering. So it wont freeze. 2022-07-09T00:17:48 < Steffanx> Assuming you sauna or shower. 2022-07-09T00:19:01 < catphish> i with sauna was more common here, i like sauna 2022-07-09T00:19:45 < kaki> build sauna 2022-07-09T00:20:02 < kaki> I have tried to make steff to build barrel sauna 2022-07-09T00:20:40 < Steffanx> I dont remember 2022-07-09T00:21:46 < kaki> also tried to make englishman build sauna in his house but he had other use for the floor area 2022-07-09T00:23:52 < kaki> anyways everything is expensives now especially building materials 2022-07-09T00:25:07 < kaki> https://www.wellnessandgarden.com/product/panorama-barrel-sauna-with-dome/ hey it's not that expensives in canadistan :o 2022-07-09T00:26:34 < kaki> look at that space ship 2022-07-09T00:27:15 < qyx> 3/4 of the price is that dome 2022-07-09T00:27:20 < kaki> I bet 2022-07-09T00:31:37 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-09T00:39:16 < englishman> sauna will come one day 2022-07-09T00:39:22 < englishman> probably with a bathroom reno 2022-07-09T00:39:34 < kaki> how about qyx? 2022-07-09T00:39:44 < qyx> no sauna 2022-07-09T00:39:47 < kaki> you could build sauna 2022-07-09T00:40:07 < kaki> little sauna cabin 2022-07-09T00:41:27 < englishman> wow kaki that isn’t expensive at all 2022-07-09T00:41:45 < kaki> true 2022-07-09T00:41:53 < kaki> never tried such thing though 2022-07-09T00:42:08 < kaki> aspect ratio doens't look favorable for good löyly 2022-07-09T00:43:07 < kaki> usually there is at least 2 step bench 2022-07-09T00:44:10 < kaki> 2 step bench + stool 2022-07-09T00:44:34 < kaki> stool is like half of height of first bench step 2022-07-09T00:44:46 < kaki> and stove is at level of first bench step 2022-07-09T00:44:48 < englishman> they use canadian cedar but dont ship to canada 2022-07-09T00:45:33 < kaki> ¯\_(ツ)_/¯ weird globalism stuff 2022-07-09T00:45:40 < englishman> oh this is some dropshipper 2022-07-09T00:45:42 < englishman> Yeah 2022-07-09T00:46:37 < englishman> https://www.backcountryrecreation.com/products/panoramic-barrel-sauna-kit 2022-07-09T00:47:37 < englishman> they are even on amazon 2022-07-09T00:47:52 < kaki> 10k :o 2022-07-09T00:48:22 < englishman> that’s with a bunch of options, you can get there on your site too 2022-07-09T00:48:55 < kaki> ah 2022-07-09T00:49:08 < englishman> still at that price and with the electrics i did last year that kind of outdoor project becomes much more attractive 2022-07-09T00:49:43 < kaki> it was expensives after all 2022-07-09T00:52:07 < catphish> build sauna sounds like a good idea 2022-07-09T00:52:10 < kaki> https://fi.pinterest.com/pin/32440059810505646 swedes are weird they have wood burning oven in their version of sauna (bastu) 2022-07-09T00:53:53 < kaki> it might have same function than sauna stove but hmm.. I think plaster will crack if you shock that with water 2022-07-09T00:54:40 < catphish> that looks pleasant 2022-07-09T00:54:53 < kaki> https://fi.pinterest.com/pin/23432860611858603 2022-07-09T00:56:19 -!- specing [~specing@user/specing] has quit [Ping timeout: 244 seconds] 2022-07-09T00:57:02 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-09T01:03:08 < kaki> englishman: https://fi.pinterest.com/pin/260223684710672983 this bench layout could work.. löyly happens at upper bench 2022-07-09T01:06:58 < kaki> generally floor level is room temperature or little bit higher in any sauna so 1 step bench you are not 100% in löyly 2022-07-09T01:10:32 < englishman> yeah you need a big barrel for that 2022-07-09T01:10:38 < englishman> with big canadians/finns 2022-07-09T01:21:39 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-09T01:24:22 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-09T01:45:05 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-09T01:45:43 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-09T01:46:53 -!- haritz [~hrtz@user/haritz] has quit [Remote host closed the connection] 2022-07-09T01:49:49 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has joined ##stm32 2022-07-09T01:49:49 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has quit [Changing host] 2022-07-09T01:49:49 -!- haritz [~hrtz@user/haritz] has joined ##stm32 2022-07-09T01:53:48 < catphish> i'm quite looking forward to see how fact box can do 0-60mph, assuming it actually works 2022-07-09T01:53:54 < catphish> *how fast 2022-07-09T01:54:57 < kaki> box 2022-07-09T01:58:37 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-09T02:12:58 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-09T02:13:17 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-09T02:16:02 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-09T02:27:00 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 276 seconds] 2022-07-09T02:31:08 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-09T02:33:34 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-09T02:36:52 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] 2022-07-09T02:57:09 < upgrdman> anyone know of a PGA that can also apply an offset? so it can accept a input that is a negative voltage, and output something between GND and VDD 2022-07-09T03:01:37 < englishman> you can use a pga to make programmable offset but you’ll still need a pga for the gain part. Haven’t seen one that does both 2022-07-09T03:02:13 < englishman> you could just use something with good dynamic range and do the offset in software 2022-07-09T03:08:31 < upgrdman> k 2022-07-09T03:11:13 < zyp> hack up something with a SLG47004? 2022-07-09T03:12:39 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 256 seconds] 2022-07-09T03:16:46 < upgrdman> hmm 2022-07-09T03:17:24 < upgrdman> kinda pricy, compared to an op amp + pga 2022-07-09T03:42:05 < Jookia> is there any public documentation about the cortex m4's branch predictor/prefetcher? 2022-07-09T04:29:37 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-09T04:42:29 -!- Spirit532 [~Spirit532@user/Spirit532] has joined ##stm32 2022-07-09T04:43:31 -!- Spirit532 [~Spirit532@user/Spirit532] has quit [Remote host closed the connection] 2022-07-09T05:03:55 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-09T05:25:43 < englishman> cool chip 2022-07-09T05:25:54 < englishman> it says $2 on mouser? 2022-07-09T07:00:28 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-09T07:25:57 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-09T07:38:59 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 256 seconds] 2022-07-09T07:39:40 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-09T07:47:52 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-09T08:19:18 < jpa-> Jookia: the cortex-m4 itself does not have branch prediction, but the STM32 flash prefetcher does; it is described in reference manual section Embedded Flash -> Read interface -> Adaptive real-time memory accelerator 2022-07-09T08:20:36 < Jookia> interesting 2022-07-09T08:29:24 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-09T08:32:15 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 256 seconds] 2022-07-09T08:32:36 -!- boB_K7IQ [~boB_K7IQ@c-67-161-98-135.hsd1.wa.comcast.net] has joined ##stm32 2022-07-09T08:38:41 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-09T08:51:31 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 256 seconds] 2022-07-09T08:53:32 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-09T09:04:50 -!- boB_K7IQ [~boB_K7IQ@c-67-161-98-135.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-09T09:18:23 -!- drfff [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-09T09:23:26 -!- drkow [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-09T09:26:36 -!- drfff [~k\o\w@72.53.234.152] has quit [Ping timeout: 276 seconds] 2022-07-09T09:40:53 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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Was it a drone strike? 2022-07-09T16:53:33 < mawk> maybe a bazooka 2022-07-09T16:53:45 < mawk> they say it was a projectile fired from the street 2022-07-09T16:53:52 < mawk> by two men who drove away after 2022-07-09T16:57:08 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-09T16:58:29 < Steffanx> Do you think I want to be seen near Delft mawk? 2022-07-09T16:58:44 < mawk> what's wrong with delft 2022-07-09T16:58:46 < Steffanx> Oh maybe one of my drones 2022-07-09T16:58:48 < mawk> it's in zuid-hollande 2022-07-09T16:58:55 < mawk> the best provincie 2022-07-09T16:59:10 < Steffanx> "Er gaat niets boven Groningen" 2022-07-09T16:59:41 < mawk> waarom niet 2022-07-09T17:00:18 < mawk> en onder ? 2022-07-09T17:02:51 < mawk> come see me in Delft Steffanx 2022-07-09T17:03:02 < mawk> I'll give you delftenaartje ijs 2022-07-09T17:03:12 < mawk> tasty ice cream 2022-07-09T17:05:32 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-09T18:28:42 < Steffanx> Maybe one day 2022-07-09T18:34:19 -!- bastian [~bastian@24.61.226.255] has joined ##stm32 2022-07-09T18:34:44 < bastian> anyone deal with using dma for i2c transmit only working once and then never again? 2022-07-09T18:38:06 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 276 seconds] 2022-07-09T18:54:42 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-09T19:28:52 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-09T19:31:17 -!- bastian [~bastian@24.61.226.255] has quit [Quit: WeeChat 3.5] 2022-07-09T19:47:43 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-09T20:01:09 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-09T20:15:12 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-09T20:22:10 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-09T20:44:18 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 272 seconds] 2022-07-09T20:46:14 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-09T20:54:48 -!- PaulFertser_ is now known as PaulFertser 2022-07-09T21:03:17 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has joined ##stm32 2022-07-09T21:07:58 < catphish> kaki: box inline transformers: https://i.imgur.com/nRoCqrv.jpg https://i.imgur.com/uyFxPgx.jpg 2022-07-09T21:09:29 < kaki> wires look a bit too free 2022-07-09T21:11:36 < qyx> catphish: is that an ethernet transformer? 2022-07-09T21:11:47 < qyx> are you rinning your manchester encoded uart over it? 2022-07-09T21:12:04 < qyx> does it work? 2022-07-09T21:12:47 < kaki> it works 2022-07-09T21:12:49 < catphish> qyx: yes, yes, and yes 2022-07-09T21:13:30 < qyx> do you have any scope pictures? 2022-07-09T21:14:23 < kaki> carefully now 2022-07-09T21:14:55 < catphish> with the transformer in place, these are the 2 data lines as seen at the differential receiver when receiving data https://i.imgur.com/YFMMisT.jpg 2022-07-09T21:15:40 < catphish> the obvious problem is that the high line is being pulled up and the low line is being pulled down 2022-07-09T21:16:31 < catphish> this effect is particularly noticeable with the transformer in place, but there's still 2V differential by the end of the burst so it works 2022-07-09T21:16:53 < qyx> hm 2022-07-09T21:18:25 < catphish> the high line has a pull-up resistor to +5v so that it idles high, and the low line has a pull down to 0V so that it idles low, this is necessary, but causes the signals to drift during transmission 2022-07-09T21:19:00 < qyx> isn't the diff pair terminated? 2022-07-09T21:19:07 < qyx> with a resistor in between? 2022-07-09T21:19:11 < catphish> no 2022-07-09T21:19:18 < qyx> that's how profibus works 2022-07-09T21:19:36 < qyx> the termination is 390R pullup, 390R pulldown and 180 or so between 2022-07-09T21:19:45 < qyx> or similar numbers, I don't recall now 2022-07-09T21:19:57 < catphish> the line length just isn't enough here to worry about reflections 2022-07-09T21:20:45 < qyx> wouldn't it solve your issue? 2022-07-09T21:22:03 < catphish> without the transformer, i'd almost completely eliminated the drift: https://i.imgur.com/hZKggVK.jpg 2022-07-09T21:22:10 < catphish> it's there, but negligable 2022-07-09T21:22:22 < catphish> the load of the transformer annoyingly puts it back on the map 2022-07-09T21:22:44 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 255 seconds] 2022-07-09T21:23:16 < catphish> and no, i'm pretty sure putting a resistor between the lines would only make it worse 2022-07-09T21:34:15 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-09T22:05:48 -!- kraiskil [~kraiskil@45.9.249.36] has joined ##stm32 2022-07-09T22:18:47 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-09T22:24:46 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-09T22:31:26 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-09T22:34:27 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-09T22:48:28 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-09T23:10:44 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-09T23:15:04 < catphish> it's infuriating that there's still no good available information about simple torque control of induction motors 2022-07-09T23:23:39 < catphish> the question is, on the face of it, simple: i have an induction motor spinning at a rotational rate of w, i would like to apply a torque t, what frequency and voltage should i apply to the stator? 2022-07-09T23:24:10 < catphish> for a given motor there must be a formula to derive that, but i fond *nothing* written on the subject 2022-07-09T23:25:24 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-09T23:25:24 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-09T23:26:54 -!- specing_ is now known as specing 2022-07-09T23:33:33 -!- kraiskil [~kraiskil@45.9.249.36] has quit [Ping timeout: 276 seconds] 2022-07-09T23:45:24 < qyx> you can still characterise your motor empirically --- Day changed su heinä 10 2022 2022-07-10T00:25:47 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-10T00:28:32 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-10T01:35:06 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 276 seconds] 2022-07-10T01:49:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-10T01:51:28 -!- IanW_ [~IceChat9@jindivik.force9.co.uk] has quit [Quit: Bye] 2022-07-10T01:54:08 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-10T02:00:16 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-10T02:06:38 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-10T02:47:03 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 256 seconds] 2022-07-10T03:13:50 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 240 seconds] 2022-07-10T03:28:46 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-10T03:57:00 -!- kaki [~kaki@178-55-40-146.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-10T04:15:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-10T04:28:39 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-10T04:29:08 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-10T04:34:03 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-10T05:30:50 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-10T05:57:00 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-10T06:48:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 264 seconds] 2022-07-10T07:09:06 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-10T07:17:41 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-10T07:43:04 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Read error: Connection reset by peer] 2022-07-10T08:05:29 -!- c4017 [~c4017@S0106c0943583f893.vf.shawcable.net] has joined ##stm32 2022-07-10T08:57:41 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-10T09:06:48 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-10T09:43:54 < jpa-> catphish: there isn't a single answer to that 2022-07-10T09:44:47 < jpa-> catphish: you can run the motor at any operating point between breakdown torque and near zero slip, but efficiency will be higher the closer you are to breakdown torque https://www.engineeringtoolbox.com/docs/documents/651/electric_motor_current_torque.png 2022-07-10T09:45:41 < jpa-> if you increase the voltage, breakdown torque increases and consequently your operating point moves to the right, and then you can adjust frequency to keep the rotor speed the same 2022-07-10T09:46:20 < jpa-> so it is a continuum between "always apply large voltage, which will heat up your motor a lot" and "apply minimum needed voltage, which will cause the motor to stall suddenly when overloaded" 2022-07-10T09:47:28 < jpa-> the usual rule of thumb for simple VFDs is just to keep constant V/Hz ratio, and for more advanced controllers you have a control loop trying to keep the field angle at 90° 2022-07-10T10:01:17 -!- josuah [~irc@46.23.94.12] has quit [Quit: WeeChat 3.4.1] 2022-07-10T10:02:13 < mawk> cancan qn 2022-07-10T10:02:15 < mawk> https://www.cnx-software.com/2022/07/07/canbed-m4-sam-e51-development-board-features-mcp2542fd-can-transceiver/ 2022-07-10T10:02:17 < mawk> -qn 2022-07-10T11:25:57 -!- specing [~specing@user/specing] has quit [Ping timeout: 276 seconds] 2022-07-10T11:26:37 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-10T11:40:39 < catphish> jpa-: so for maximum efficiency, if i want to increase torque i should increase both slip *and* voltage, increasing the voltage will increase torque but i should then also move further towards the new breakdown point to increase eficiency? 2022-07-10T11:42:20 < catphish> if changing the voltage increases torque but also moves the operating point of peak efficienfy, i could move frequency to match that new peak? 2022-07-10T11:45:37 < catphish> my assumption was that the simplest approach would be to maintain a constant V/Hz curve, and then to apply more torque, one increases slip, increasing voltage at the same time, as a consequence of the V.Hz curve 2022-07-10T11:50:07 < catphish> jpa-: since you're the only person in the entire universe i've found who actulally understands this, i shall hassle you about this :) 2022-07-10T11:55:32 < catphish> There are 2 simple approaches i'm aware of: 2022-07-10T11:55:32 < catphish> 1) The constant slip approach. Choose a constant slip, for example 2Hz. Always drive the stator at 2Hz greater than the rotor. Adjust torque by adjusting voltage. 2022-07-10T11:55:32 < catphish> 2) The linear V/Hz approach. Voltage is set according to stator frequency. Adjust torque by setting slip within a band such as +/- 3Hz. 2022-07-10T11:55:45 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-10T11:57:07 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-10T12:00:07 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 256 seconds] 2022-07-10T12:01:18 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-10T12:16:03 < catphish> for now i'll get out simulink and play :) 2022-07-10T12:19:05 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-10T12:21:00 < mawk> people talk to me in frisian on the street Steffanx lol 2022-07-10T12:21:11 < mawk> "gûd sondag" or whatever 2022-07-10T12:21:42 < mawk> or maybe it's a very bad dutch accent 2022-07-10T12:22:56 < jpa-> catphish: for maximum efficiency i think you want to control is like this: measured velocity vs. target velocity -> PID -> voltage measured slip vs. target slip -> PID -> frequency 2022-07-10T12:23:16 < jpa-> though if you can add current measurements, you could just go full FOC control 2022-07-10T12:24:12 < jpa-> catphish: it also depends a lot on if you really want to control velocity accurately, or if you want to control power output (like e.g. car gas pedal) 2022-07-10T12:24:20 < catphish> jpa-: that doesn't solve my problem, i don't have a target velocity or a target slip 2022-07-10T12:25:09 < catphish> jpa-: this is my problem, almost all written material assumes you're controlling a pump or a fan or something and have a target velocity, i don't, i have a car with a torque pedal 2022-07-10T12:25:23 < jpa-> yeah 2022-07-10T12:26:19 < jpa-> i guess your constant slip approach will work relatively well, though i'm not sure if the optimal slip should be scaled based on rotation speed 2022-07-10T12:27:54 < jpa-> https://electricalacademia.com/wp-content/uploads/2018/02/Characteristic-curves-of-an-induction-motor.jpg in many sources the slip is in percents instead of Hz 2022-07-10T12:28:52 < jpa-> with constant slip, torque will be related to voltage^2, so you may want to control it by sqrt(throttle_pedal) 2022-07-10T12:30:02 < jpa-> induction motors are nice in that they have fairly wide range of good efficiency even with simple V/Hz control 2022-07-10T12:42:34 < catphish> i'm confused about a few things, like, if slip is positive but voltage is super low, which way will energy flow? 2022-07-10T12:44:23 < catphish> my hypothesis is that the variable slip approach is better, i think the only way to really answer this will be to simulate 2022-07-10T12:47:57 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-10T12:50:22 -!- drfff [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-10T12:51:39 < qyx> why I though datamatrix is patented 2022-07-10T12:52:10 -!- drkow [~k\o\w@72.53.234.152] has quit [Ping timeout: 240 seconds] 2022-07-10T13:24:05 -!- bitmask [~bitmask@2601:84:c701:9e00:d969:2065:eb00:58b8] has joined ##stm32 2022-07-10T13:28:18 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-10T13:32:11 < mawk> datadominatrix 2022-07-10T13:32:19 < mawk> are you going to play with barcodes qyx? 2022-07-10T13:33:54 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-10T13:41:20 -!- bitmask_ [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-10T13:45:05 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 255 seconds] 2022-07-10T13:45:52 -!- bitmask [~bitmask@2601:84:c701:9e00:d969:2065:eb00:58b8] has quit [Ping timeout: 272 seconds] 2022-07-10T14:43:31 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Remote host closed the connection] 2022-07-10T14:44:00 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-10T14:52:16 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-10T14:52:18 < Laurenceb> https://t.me/millennialwoes/5358 2022-07-10T15:07:01 < Steffanx> Thanks Laurenceb 2022-07-10T15:07:23 < Laurenceb> AI researchers hard at wurk 2022-07-10T15:08:44 < josuah> he did not get the trick yet: 2022-07-10T15:09:26 < josuah> take someone from Africa, used to misery, an offer the american dream, let him settle 2022-07-10T15:10:27 < josuah> make him work for below the minimal wage its whole life, until he got enough to cover expenses for a family 2022-07-10T15:10:43 < josuah> its son would have been born in US, and want to claim he is a citizen, rights, yadda yadda 2022-07-10T15:11:36 < josuah> so do not wait that he gets not-so-poor enough to gets a son or a girl, send him back at that moment 2022-07-10T15:12:03 < josuah> he'd be sent back to Africa, and would have enough cash to send someone else to America 2022-07-10T15:12:18 < josuah> the story repeats again, and gives a good deal of below minimal wage workers 2022-07-10T15:12:25 < josuah> and america can be grest again 2022-07-10T15:12:31 < josuah> s/grest/great/ 2022-07-10T15:12:58 < josuah> the above was of course irony 2022-07-10T15:15:35 -!- bitmask_ is now known as bitmask 2022-07-10T15:15:56 < josuah> sometimes it feels like you have to fix the entire planet's problems so you can enjoy your time at peace :P 2022-07-10T15:16:16 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-10T15:18:53 < josuah> the supply chain troubles are a good example of that 2022-07-10T15:19:39 < josuah> a few factories at the other end of the globe cannot produce their usual chip, and you end-up stuck as well 2022-07-10T15:26:38 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 240 seconds] 2022-07-10T15:39:33 -!- kraiskil [~kraiskil@mob-194-230-148-187.cgn.sunrise.net] has joined ##stm32 2022-07-10T15:41:12 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-10T15:45:31 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-10T15:46:27 -!- Posterdati [~posterdat@user/Posterdati] has quit [Client Quit] 2022-07-10T15:46:46 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-10T15:59:44 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-10T16:34:30 -!- kraiskil [~kraiskil@mob-194-230-148-187.cgn.sunrise.net] has quit [Ping timeout: 240 seconds] 2022-07-10T16:47:44 < josuah> by the way, how do you usually deal with stm32 shortages? Do you use another, slightly bigger or smaller STM32 that happen to be available? or maybe the same in a different footprint 2022-07-10T16:48:27 < josuah> sometimes, the more cumbersome BGA packages are still having some stocks 2022-07-10T16:50:59 < jpa-> whatever takes the least effort 2022-07-10T16:54:04 < josuah> makes sense 2022-07-10T16:54:29 < josuah> many different contexts, finding the best option out of each is what we get pay for after all :) 2022-07-10T16:57:59 -!- kraiskil [~kraiskil@mob-194-230-148-187.cgn.sunrise.net] has joined ##stm32 2022-07-10T17:08:32 -!- josuah [~irc@46.23.94.12] has quit [Quit: WeeChat 3.4.1] 2022-07-10T17:09:31 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-10T17:11:06 -!- josuah [~irc@46.23.94.12] has quit [Client Quit] 2022-07-10T17:23:23 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-10T17:44:20 < catphish> i'm nowhere near clever enough to make motor simulations useful :) 2022-07-10T17:54:19 < jpa-> if you can get a repeatable load on the motor somehow, you could just test in practice 2022-07-10T18:07:20 < catphish> i can at least test in my car and see what works for me 2022-07-10T18:10:36 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-10T18:14:42 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-10T18:43:40 -!- duude__ [~duude__@user/duude/x-4676560] has quit [Read error: Connection reset by peer] 2022-07-10T18:44:00 -!- duude__ [~duude__@user/duude/x-4676560] has joined ##stm32 2022-07-10T18:51:54 -!- kraiskil [~kraiskil@mob-194-230-148-187.cgn.sunrise.net] has quit [Read error: No route to host] 2022-07-10T19:41:24 -!- specing [~specing@user/specing] has quit [Quit: ZNC - https://znc.in] 2022-07-10T19:46:13 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-10T19:48:07 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-10T19:57:38 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 272 seconds] 2022-07-10T20:05:05 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-10T20:12:05 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-10T20:19:27 < catphish> jpa-: i did manage to run one simple test in simulink to confirm a suspicion - if you run at full V/Hz all the time, no power is transferred when the slip is zero 2022-07-10T20:19:49 < catphish> so it seems that it's totally okay to control *only* slip and leave V/Hz alone 2022-07-10T20:21:19 < catphish> to me this seems more *correct* then the fixed slip approach, but the reality may well be that the difference in performance is negligable 2022-07-10T20:22:37 < catphish> the way i imagine it is if you had a motor connected to the power grid, if it was spinning at the speed of the grid, full voltage would be applied, but slip would be zero, if the grid sped up, voltage and frequency would rise together and apply torque, and vice versa 2022-07-10T20:22:49 < catphish> so i think it's correct to simulate that 2022-07-10T20:30:52 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-10T20:33:36 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-10T20:46:30 < catphish> on the other hand, this may be no different from the voltage control whatsoever 2022-07-10T20:46:48 < catphish> i think i'd have to put some more time in simulating to really know 2022-07-10T20:47:01 < catphish> thanks for the pointers anyway jpa- :) 2022-07-10T20:55:51 -!- Posterdati [~posterdat@user/Posterdati] has quit [Quit: KVIrc 5.0.0 Aria http://www.kvirc.net/] 2022-07-10T20:57:15 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-10T21:02:14 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-10T21:27:17 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-10T21:27:19 < Laurenceb> https://nitter.pussthecat.org/pic/media%2FFTJtnAxUUAAwGDL.jpg%3Fname%3Dsmall 2022-07-10T21:44:17 < Laurenceb> lol my neighbours just glassed someone in the street 2022-07-10T21:44:23 < Laurenceb> typical britbong activities 2022-07-10T21:52:54 < catphish> lol 2022-07-10T21:53:29 < catphish> i shall continue to be glad i live in the world's quietest neighbourhood 2022-07-10T21:53:50 < catphish> my neighbour keeps pigs as pets 2022-07-10T22:03:37 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-10T22:08:42 < Laurenceb> they are from Nottingham 2022-07-10T22:08:49 < Laurenceb> explaining everything 2022-07-10T22:27:17 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-10T23:02:14 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-10T23:11:05 < Laurenceb> how do I avoid receiving my own messages if I broadcast on locahost and listen on the same port number with some code under Lunix? 2022-07-10T23:12:06 < catphish> iptables rule i guess 2022-07-10T23:12:47 < Laurenceb> ouch 2022-07-10T23:13:26 < Laurenceb> hmm actually no, I already have a rule to block 2022-07-10T23:13:35 < Laurenceb> maybe I can divert to another port 2022-07-10T23:13:49 < catphish> if you're sending a message to an address you're listening on, you kinda gotta expect to receive it 2022-07-10T23:13:55 < catphish> unless you go to some effort to block it 2022-07-10T23:14:07 < catphish> i'm not aware of a simple flag, but maybe i'm just uninformed 2022-07-10T23:15:28 < qyx> open the iptables diagram and check if there is a place where to put your rule 2022-07-10T23:16:46 < Laurenceb> catphish: atm I have a script to find and block the packets 2022-07-10T23:16:56 < Laurenceb> I just need to change their destination port 2022-07-10T23:17:57 < catphish> do you not control the software? 2022-07-10T23:18:22 < catphish> if you do, it's a simple if statement :) 2022-07-10T23:18:26 < BrainDamage> why do you even have such hare-brained scheme? 2022-07-10T23:18:48 < catphish> i was starting to wonder this 2022-07-10T23:18:55 < catphish> but i'm more polite 2022-07-10T23:21:04 < Laurenceb> hmm looks like I just need to swapout DROP for REDIRECT and add PREROUTING 2022-07-10T23:21:09 < Laurenceb> simple enough changes 2022-07-10T23:21:27 < Laurenceb> catphish: software is modular, I only control some modules 2022-07-10T23:21:43 < Laurenceb> also modules need to be inter-compatible without being recompiled 2022-07-10T23:22:10 < catphish> but is a hideous hack in the hosting kernel really the better solution? 2022-07-10T23:22:15 < Laurenceb> one of the deployed modules is faulty but it cant be removed as it other functionality is needed 2022-07-10T23:22:23 < Laurenceb> it should work.... 2022-07-10T23:22:29 < catphish> well if it works :) 2022-07-10T23:23:05 < Laurenceb> I'm writing an emulator that replaces the broken part of its functionality 2022-07-10T23:23:38 < Laurenceb> so I need to find and redirect potentially faulty packets, then fix them and broadcast back on the original port 2022-07-10T23:24:16 < Laurenceb> the broken module is a literal module that sits on an ethernet network 2022-07-10T23:24:35 < Laurenceb> replacement is a software module 2022-07-10T23:25:43 < mawk> sounds very messy 2022-07-10T23:25:48 < qyx> anyone with odroid m1? 2022-07-10T23:26:30 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 240 seconds] 2022-07-10T23:26:35 < mawk> Laurenceb you can tag your packets 2022-07-10T23:26:37 < mawk> with iptables 2022-07-10T23:26:49 < mawk> so you ignore them when you see them the second one around 2022-07-10T23:26:56 < mawk> grep for mark in the doc 2022-07-10T23:33:48 < Laurenceb> interesting thanks 2022-07-10T23:37:21 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has quit [Quit: leaving] 2022-07-10T23:40:04 -!- Laurenceb75 [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-10T23:42:04 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-10T23:46:06 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] --- Day changed ma heinä 11 2022 2022-07-11T00:06:04 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has joined ##stm32 2022-07-11T00:06:54 < kaki> evenings 2022-07-11T00:07:46 < catphish> evening 2022-07-11T00:09:20 < kaki> car soon? 2022-07-11T00:12:16 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-11T00:12:33 < catphish> car drive this week i hope 2022-07-11T00:12:45 < catphish> just waiting drive shafts now 2022-07-11T00:13:55 < BrainDamage> did you install ejectable seats, just in case? 2022-07-11T00:15:36 < catphish> no 2022-07-11T00:15:41 < kaki> killswitch+ 2022-07-11T00:15:44 < kaki> ? 2022-07-11T00:16:01 < catphish> it has a couple of options for that 2022-07-11T00:16:37 < catphish> there's a software switch that *should* shut down the inverter, and a hardware switch that *will* shut down the inverter *and* open the HV contactors 2022-07-11T00:17:10 < catphish> activating the latter is distressignly likely to destroy the inverter :( 2022-07-11T00:18:38 < catphish> so fingers crossed there are no faults that can't be handled by just putting inverter into neutral, which disables all IGBT drivers 2022-07-11T00:18:44 < catphish> (in software though) 2022-07-11T00:19:10 < BrainDamage> add a giant knife switch for manual break 2022-07-11T00:19:49 < kaki> https://www.youtube.com/watch?v=JONCFjMaTx4 "FORD MOTOR COMPANY AUTOMOBILE DESIGN & SAFETY PROMOTIONAL FILM 47464" 2022-07-11T00:20:59 < catphish> BrainDamage: you *really* don't want that 2022-07-11T00:21:21 < BrainDamage> what's some copper spraying among friends 2022-07-11T00:21:47 < catphish> i watched someone open a 600V 10A circuit by pulling a fuse a couple of weeks ago 2022-07-11T00:22:13 < catphish> that was spectacular enough, i dread to think what would happen at fault current 2022-07-11T00:24:03 < BrainDamage> I've seen my railgun arcing over 2022-07-11T00:24:09 < BrainDamage> 20kA @ 450V 2022-07-11T00:24:30 < BrainDamage> it sprayed molten aluminium everywhere 2022-07-11T00:28:45 < catphish> thats quite some power 2022-07-11T00:33:26 < kaki> where do you get such amps at such voltage? 2022-07-11T00:34:16 < BrainDamage> giant capacitor bank 2022-07-11T00:34:42 < kaki> thats 9megawatts 2022-07-11T00:34:42 < BrainDamage> ~0.2F total 2022-07-11T00:35:46 < BrainDamage> we ( me and my friend ) started collecting used capacitors from industrial machines, they were used to re-phase 2022-07-11T00:35:56 < kaki> so you have those big domino blocks? 2022-07-11T00:36:18 < BrainDamage> I still have some pics somewhere 2022-07-11T00:36:44 < kaki> about the shape of domino block and has 2 bolt terminals on top? 2022-07-11T00:37:13 < BrainDamage> they were cylindrical 2022-07-11T00:37:19 < BrainDamage> and 2 bolt terminals on top, yes 2022-07-11T00:37:57 < kaki> when you trigger it the wires jump? 2022-07-11T00:38:11 < kaki> or do you have wires at all 2022-07-11T00:38:19 < kaki> just busbars? 2022-07-11T00:38:48 < kaki> are you photonicinduction? 2022-07-11T00:39:53 < kaki> https://www.youtube.com/watch?v=LT5_-A0m8_U this guy 2022-07-11T00:40:30 < BrainDamage> busbars on the caps, wires to the railgun 2022-07-11T00:40:44 < BrainDamage> the wires are 3cm diameter, stranded 2022-07-11T00:40:49 < BrainDamage> and they still flip over 2022-07-11T00:45:23 < BrainDamage> I found an old pic while we were testing some banks https://0x0.st/o1oH.jpg 2022-07-11T00:46:37 < kaki> 9MW from that hmm doubt 2022-07-11T00:47:09 < kaki> how many you have? 2022-07-11T00:47:42 < BrainDamage> 50 2022-07-11T00:49:23 < BrainDamage> the ESR doesn't have to be too low, just 20mOhm is sufficient 2022-07-11T00:49:33 < kaki> 180kw per cell 2022-07-11T00:49:42 < BrainDamage> some did blow up 2022-07-11T00:50:16 < BrainDamage> we tested them at full discharge with them inside a hole in the ground 2022-07-11T00:50:27 < BrainDamage> because we were afraid they'd shrapnel on us 2022-07-11T00:50:52 < kaki> :) 2022-07-11T00:52:13 < catphish> yep, 20mOhm at 450V is 10MW 2022-07-11T00:52:36 < kaki> :o 2022-07-11T00:52:47 < catphish> 200mF is a lot of capacitor at that voltage though 2022-07-11T00:54:07 < BrainDamage> each one of them had more-than-lethal charge 2022-07-11T00:54:19 < BrainDamage> ~400J per cap 2022-07-11T00:54:53 < catphish> what capacitors are these? 2022-07-11T00:55:34 < BrainDamage> electrolythic double layer, they were a sort of crossroad between electrolythic and what came to be supercap 2022-07-11T00:55:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T00:56:07 -!- Laurenceb75 [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-11T00:56:08 < catphish> are they in parallel? 450V each? 2022-07-11T00:56:15 < BrainDamage> yes 2022-07-11T00:56:38 < catphish> how much capacity per cap? 2022-07-11T00:56:49 < catphish> i've never seen supercaps at that kind of voltage 2022-07-11T00:56:57 < BrainDamage> it's not supercaps 2022-07-11T00:57:11 < BrainDamage> it's electrolythic with a double-layer effect 2022-07-11T00:57:18 < catphish> what capacity? 2022-07-11T00:57:24 < BrainDamage> 4mF iirc 2022-07-11T00:57:30 < catphish> impressive 2022-07-11T00:57:44 < BrainDamage> they are also 2kg each 2022-07-11T00:58:13 < kaki> how many kilowatthours is 0.2F \dev\ice 450V 2022-07-11T00:58:25 < kaki> hecking autofill of this client 2022-07-11T00:58:39 < BrainDamage> 5.5Wh 2022-07-11T00:58:46 < BrainDamage> not even 1kWh 2022-07-11T00:58:51 < BrainDamage> tiny energy go fast 2022-07-11T00:59:27 < BrainDamage> it discharged itself in 2ms or so 2022-07-11T00:59:36 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-11T00:59:44 < BrainDamage> well, not with the railgun 2022-07-11T00:59:53 < BrainDamage> with the railgun, we intentionally slew down the discharge 2022-07-11T01:00:08 < kaki> it's 19800Ws 2022-07-11T01:00:10 < BrainDamage> otherwise it'd have blown up the projectile and that's it 2022-07-11T01:00:13 < catphish> i made it 0.22Wh 2022-07-11T01:00:23 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-11T01:00:25 < catphish> maybe my math is wrong 2022-07-11T01:00:46 < kaki> it could just about push electric vehicle from stoplight to slight pace 2022-07-11T01:01:05 < BrainDamage> 0.5⋅50⋅4mF⋅(450V)^2 2022-07-11T01:01:26 < kaki> how do you slew down? 2022-07-11T01:01:29 < kaki> inductor? 2022-07-11T01:01:41 < catphish> 450V x 0.004F / 2 = 0.9 amp-seconds. right? 2022-07-11T01:02:15 < BrainDamage> yes, inductors 2022-07-11T01:02:17 < catphish> which is 405 watt-seconds, or 0.11WH 2022-07-11T01:02:27 < catphish> (i forgot to /2 the first time) 2022-07-11T01:02:40 < BrainDamage> you forgot the * 50 2022-07-11T01:02:44 < BrainDamage> that's a single cap 2022-07-11T01:02:56 < catphish> oh yeah, i was calculating single cap 2022-07-11T01:03:14 < kaki> in the photo is the cardboard some sort of shield? 2022-07-11T01:03:20 < catphish> so yea a bank of 50 is 5.6 Wh 2022-07-11T01:03:50 < BrainDamage> yes, for the metal spray 2022-07-11T01:04:07 < catphish> more importantly, this is 20kJ 2022-07-11T01:04:14 < BrainDamage> yup 2022-07-11T01:04:25 < BrainDamage> it's the energy of 1 AA battery, more or less 2022-07-11T01:04:33 < BrainDamage> discharged at an absurd speed 2022-07-11T01:05:00 < catphish> the limit for an air rifle in UK is 16.2J, so this thing (if reasonably efficient) is about equivilent to a good air rifle 2022-07-11T01:05:24 < catphish> wait... 2022-07-11T01:05:41 < BrainDamage> yeah, no, it's equivalent to a light antitank weapon 2022-07-11T01:05:49 < catphish> 1,000 times more powerful than an air rifle... 2022-07-11T01:06:01 < catphish> kJ != J 2022-07-11T01:06:23 < BrainDamage> it just takes 10 min to charge up >_> 2022-07-11T01:06:47 < catphish> it does make me wonder though, one could make something with the power of an air rifle much more reasonably 2022-07-11T01:07:02 < BrainDamage> indeed you can 2022-07-11T01:07:37 < BrainDamage> however, for low energies, coilgun designs are much more efficient 2022-07-11T01:08:02 < kaki> BrainDamage: why it takes 10minutes? 2022-07-11T01:08:04 < BrainDamage> our had 8% efficiency, and that's already stellar for the scrapyard approach 2022-07-11T01:08:20 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T01:08:30 < BrainDamage> kaki: because the power supply is the one in the pic, literally 2 transformers back to back and a zvs driver 2022-07-11T01:08:40 < catphish> so for an airgun equivilent i need 200 joules 2022-07-11T01:08:42 < BrainDamage> 200W or so output 2022-07-11T01:09:33 < BrainDamage> err, 50W, not 200 2022-07-11T01:10:13 < BrainDamage> we didn't try to make something practical, we tried to see what we could do with junk and a limited budget 2022-07-11T01:10:27 < BrainDamage> tldr: you can make light antitank weapons with industrial scrap 2022-07-11T01:11:12 < BrainDamage> now for fun, calculate the projectile speed 2022-07-11T01:11:31 < BrainDamage> it was 2 aluminium slug 2022-07-11T01:11:34 < BrainDamage> 2g* 2022-07-11T01:11:55 < BrainDamage> a more serious design would've used something way more massive, so it'd have been slower 2022-07-11T01:12:05 < BrainDamage> instead we wanted to see it going fastah 2022-07-11T01:12:24 < BrainDamage> slower projectile with more mass will lose less KE in flight, our burned in flight 2022-07-11T01:12:37 < BrainDamage> still made to 1.something km/s 2022-07-11T01:12:44 < BrainDamage> notice the s, not the hour :p 2022-07-11T01:13:45 < catphish> wow supercaps are badass 2022-07-11T01:13:48 < catphish> https://uk.rs-online.com/web/p/supercapacitors/1351098 2022-07-11T01:14:06 < catphish> 16V 65F 22mOhm 2022-07-11T01:14:45 < BrainDamage> 8kJ 2022-07-11T01:14:49 < BrainDamage> not bad 2022-07-11T01:15:16 < catphish> seems like that would be plenty for a gun 2022-07-11T01:16:10 < catphish> if only 1% of that was transferred into a projectile it would be 80J, 2x the UK airgun limit 2022-07-11T01:16:15 < catphish> *4x 2022-07-11T01:17:44 < BrainDamage> at those voltages you can even use solid state switches 2022-07-11T01:18:03 < BrainDamage> just some mos in parallel and you can finely control it 2022-07-11T01:18:13 < catphish> just trying to figure out how to calculate the discharge curve 2022-07-11T01:18:41 < catphish> oh, it's just 16V / 22.Ohm 2022-07-11T01:18:57 < BrainDamage> it's going to be a bit slow 2022-07-11T01:18:59 < catphish> *mOhm 2022-07-11T01:19:13 < BrainDamage> it'll take about 5s or so to fully discharge when shorted 2022-07-11T01:19:50 < catphish> 727 amps, that's much too slow for a gun :( 2022-07-11T01:19:51 < BrainDamage> normally you want higher voltage and lower capacitance for electric guns 2022-07-11T01:19:55 < catphish> yeah 2022-07-11T01:21:29 < catphish> i rather like film caps 2022-07-11T01:22:47 < catphish> 4mF 900V 0.75mOhm :) 2022-07-11T01:23:35 < catphish> 1MW, mwahahahahaha 2022-07-11T01:25:58 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-11T01:27:00 < BrainDamage> I think I've created a monster 2022-07-11T01:41:27 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-11T01:41:47 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-11T01:42:08 < kaki> Laurenceb: train now? 2022-07-11T01:42:12 < Laurenceb> hyperloop invertor has 1kJ stored energy 2022-07-11T01:42:33 < Laurenceb> kaki: I'm thinking of using this for hyperloop 2022-07-11T01:42:35 < Laurenceb> https://danijar.com/project/daydreamer/ 2022-07-11T01:43:13 < kaki> for traction control? 2022-07-11T01:43:38 < Laurenceb> yeah 2022-07-11T01:43:51 < Laurenceb> also working on AVRIL for spain 2022-07-11T01:56:33 < englishman> what about a hyperloop propelled by lasers 2022-07-11T01:57:16 < kaki> I thought traction control was rather trivial 2022-07-11T01:58:12 < kaki> measure slip and adjust torque 2022-07-11T02:06:30 < catphish> kaki: basically 2022-07-11T02:07:35 < kaki> why lurencer needs 1Teraflops for it? 2022-07-11T02:08:34 < kaki> :D 2022-07-11T02:08:57 < kaki> 500hz loop 2022-07-11T02:09:03 < BrainDamage> he's using a recursive predictive algo 2022-07-11T02:09:25 < kaki> it's predicting slip before it happens? 2022-07-11T02:10:00 < BrainDamage> not just that, he's predicting quite a few best-worst cases and then picking the most likely 2022-07-11T02:10:09 < kaki> by slip I mean breaking the traction 2022-07-11T02:10:24 < BrainDamage> of both load and control 2022-07-11T02:10:38 < BrainDamage> so it's trying to be proactive rather than reactive 2022-07-11T02:10:50 < BrainDamage> but in practice, I'm not sure how good that'll work 2022-07-11T02:10:51 < kaki> means more traction? 2022-07-11T02:11:05 < BrainDamage> yes, more margin of control too 2022-07-11T02:11:20 < BrainDamage> because you'll get less slippage 2022-07-11T02:12:34 < BrainDamage> what I wonder is the relative improvement over a dead simple reactive algo 2022-07-11T02:12:52 < BrainDamage> which will run on a pic8f from the 80s 2022-07-11T02:13:15 < Laurenceb> its not just that 2022-07-11T02:13:21 < Laurenceb> it has active steering 2022-07-11T02:13:39 < Laurenceb> thats the really hard part - keeping wheels aligned to +-5mm at 500kph 2022-07-11T02:14:13 < Laurenceb> when there is suspension movement and the vehicle can start to slip sideways etc etc 2022-07-11T02:14:27 < BrainDamage> and I guess thermal expansion 2022-07-11T02:14:33 < BrainDamage> and uneven rail surface 2022-07-11T02:19:35 < BrainDamage> can't you measure linear distance on the rails? 2022-07-11T02:19:43 < BrainDamage> some laser interferometer 2022-07-11T02:19:59 < BrainDamage> as well as linear distance on the wheel 2022-07-11T02:20:18 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 240 seconds] 2022-07-11T02:27:39 < Laurenceb> maybe... 2022-07-11T02:27:57 < Laurenceb> current plan is no sensors at all, use sensorless invertor data 2022-07-11T02:28:15 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 256 seconds] 2022-07-11T02:38:38 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-11T02:46:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-11T03:12:37 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T03:25:20 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T03:38:27 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T03:51:19 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T03:52:29 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-11T04:34:46 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-11T04:35:12 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-11T04:38:46 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-11T05:00:36 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T05:10:44 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 255 seconds] 2022-07-11T05:13:25 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T05:53:44 -!- toluene0 [~toluene@user/toulene] has joined ##stm32 2022-07-11T05:53:46 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-11T05:53:46 -!- toluene0 is now known as toluene 2022-07-11T05:59:20 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-11T06:05:10 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-11T06:06:12 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-11T06:27:38 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-11T06:53:37 -!- Sadale [~Sadale@user/sadale] has quit [Ping timeout: 268 seconds] 2022-07-11T06:54:29 -!- Sadale [~Sadale@user/sadale] has joined ##stm32 2022-07-11T07:03:03 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T07:15:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T07:22:38 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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2022-07-11T15:11:35 < Mangy_Dog> in the console? 2022-07-11T15:12:49 < mawk> I guess yeah 2022-07-11T15:12:53 < mawk> you can use semihosting 2022-07-11T15:13:00 < mawk> then printf("") inside the code will print in gdb 2022-07-11T15:13:15 < mawk> you can also use RTT 2022-07-11T15:13:23 < mawk> https://www.segger.com/products/debug-probes/j-link/technology/about-real-time-transfer/ 2022-07-11T15:15:09 -!- specing [~specing@user/specing] has quit [Ping timeout: 276 seconds] 2022-07-11T15:16:28 < Steffanx> RTT's performance is much better. 2022-07-11T15:16:35 < PaulFertser> semihosting affects timing a lot 2022-07-11T15:17:20 < Steffanx> Yeah 2022-07-11T15:18:02 < mawk> RTT is bestest yes 2022-07-11T15:18:17 < Steffanx> It's funny when you can just open a file on your pc and read/write it though. 2022-07-11T15:18:42 < mawk> what do you mean 2022-07-11T15:18:57 < Steffanx> With semihosting you can open a file and do file magic with it. 2022-07-11T15:18:59 < mawk> o 2022-07-11T15:19:01 < mawk> yeah 2022-07-11T15:19:05 < mawk> nice stuff 2022-07-11T15:22:56 < Mangy_Dog> is this something i can do with my stlink clone? :p or do i need a real jlink or jlink firmware on stlink? 2022-07-11T15:23:38 < Mangy_Dog> I just need to print out what im sending to my hardware monitor via serial... see its getting the strings correctly 2022-07-11T15:23:51 < Mangy_Dog> my display based debug out can only show so much 2022-07-11T15:24:48 < mawk> yeah you can do it with your klone 2022-07-11T15:25:03 < mawk> RTT isn't via serial 2022-07-11T15:25:11 < mawk> it's via debugging port itself 2022-07-11T15:25:56 < Mangy_Dog> okays 2022-07-11T15:28:40 < Mangy_Dog> ahhh ok 2022-07-11T15:28:48 < Mangy_Dog> So its liturally a library you attach to the program 2022-07-11T15:28:55 < Mangy_Dog> and have a app that sits listening to it? 2022-07-11T15:29:43 < mawk> kinda yeah 2022-07-11T15:29:54 < mawk> you have debugger active on the pc that retrieves the RTT data in realtime 2022-07-11T15:30:01 < mawk> if no debugger is active data is just lost 2022-07-11T15:30:06 < mawk> no time penalty either way 2022-07-11T15:30:21 < Mangy_Dog> oh what debugger should i use? or does the opebocd i have setup wtih eclipse just grab it? 2022-07-11T15:31:45 < mawk> openocd can do rtt 2022-07-11T15:31:53 < mawk> I don't know if eclipse is setup to grab it though 2022-07-11T15:32:00 < mawk> openocd opens a socket if I remember correctly 2022-07-11T15:32:06 < mawk> then you can read the socket contents with netcat or so 2022-07-11T15:32:35 < Mangy_Dog> okays im just sorting lunch... but then ill have a try with it see if any of the consol outs show anything by default 2022-07-11T15:32:52 < mawk> with a socat command you can maybe even redirect the socket to a tty 2022-07-11T15:33:02 < mawk> and then have eclipse show you the fake tty 2022-07-11T15:33:08 < mawk> as if it were a real serial port 2022-07-11T15:33:45 < Mangy_Dog> hmm 2022-07-11T15:35:09 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has quit [Quit: Client closed] 2022-07-11T15:35:36 < mawk> socat TCP4:127.0.0.1:8765 PTY,link=/home/mangydog/pty,cfmakeraw 2022-07-11T15:35:38 < mawk> something like this 2022-07-11T15:35:50 < mawk> if openocd gives you port 8765 2022-07-11T15:36:06 < mawk> then in /home/mangydog/pty you have a fake terminal that outputs the RTT data 2022-07-11T15:36:12 < mawk> and you can give that to your eklipß 2022-07-11T15:36:32 < mawk> let me try 2022-07-11T15:37:32 < mawk> yeah it works 2022-07-11T15:38:52 < mawk> then in openocd you can setup rtt, then do rtt server start 8765 0 2022-07-11T15:39:05 < mawk> then do the socat command 2022-07-11T15:39:17 < mawk> which will create the terminal 2022-07-11T15:46:33 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-11T15:58:05 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-11T16:32:59 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has quit [Remote host closed the connection] 2022-07-11T16:40:40 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-11T16:45:20 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-11T16:47:00 < Mangy_Dog> hmm mawk i downloaded the software pacj of seggers site, but i cant find the library for the prin tout 2022-07-11T16:47:05 < Mangy_Dog> is there another place to get it? 2022-07-11T16:47:22 < mawk> no, you need to get it from segger 2022-07-11T16:47:31 < mawk> you don't need the programs, just the lib 2022-07-11T16:47:42 < Mangy_Dog> got a link to the lib download? 2022-07-11T16:47:45 < Mangy_Dog> its not on that site 2022-07-11T16:48:30 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-11T16:48:50 < mawk> it's just in the regular software pack 2022-07-11T16:48:51 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-11T16:49:16 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-11T16:49:28 < Mangy_Dog> hmm 2022-07-11T16:49:38 * Mangy_Dog looks in there again 2022-07-11T16:50:19 < mawk> in Samples/RTT 2022-07-11T16:50:22 < Mangy_Dog> yeah just foudn it 2022-07-11T16:50:31 < Mangy_Dog> like a second before you posted :D 2022-07-11T16:57:51 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T17:02:08 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Excess Flood] 2022-07-11T17:02:36 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-11T17:17:23 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 260 seconds] 2022-07-11T17:20:42 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-11T17:21:51 < Mangy_Dog> well i got the library inserted and compiling but struggling to find an output 2022-07-11T17:22:03 < Mangy_Dog> cant use seggers own viewer as im using a stlink 2022-07-11T17:23:01 < PaulFertser> OpenOCD can do RTT with any adapter, including stlink. 2022-07-11T17:23:13 < Mangy_Dog> but how do i see the output~? 2022-07-11T17:23:22 < Mangy_Dog> its not in the usual console 2022-07-11T17:24:21 < PaulFertser> Mangy_Dog: it's available on port 8765/tcp after you run openocd command "rtt server start 8765 0" 2022-07-11T17:24:37 < PaulFertser> Mangy_Dog: you can view it any way you prefer, a telnet client would do. 2022-07-11T17:26:50 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-11T17:31:33 < mawk> you do rtt setup with the address of your RTT control block, then rtt start 2022-07-11T17:31:37 < mawk> then you can start the server 2022-07-11T17:31:59 < mawk> did you also use the .c in the code provided by segger Mangy_Dog ? 2022-07-11T17:32:07 < mawk> especially for the syscalls, and for declaring the control block 2022-07-11T17:32:56 < Mangy_Dog> umm no just added the rtt header 2022-07-11T17:33:10 < Mangy_Dog> fixed the drive location include 2022-07-11T17:33:12 < mawk> well that's not enough 2022-07-11T17:33:38 < Mangy_Dog> put in the print out test, it compiles but no other configs 2022-07-11T17:33:47 < Mangy_Dog> oh 2022-07-11T17:33:52 < mawk> you need to build with the .c and .S they providez 2022-07-11T17:34:14 < mawk> and if you want to be able to use regular printf or std::cout you also need to build with the syscalls they provide 2022-07-11T17:34:28 < mawk> include the configuration file also 2022-07-11T17:34:37 < mawk> and modify it 2022-07-11T17:34:51 < Mangy_Dog> SEGGER_RTT_WriteString(0,""); is the function the example uses? 2022-07-11T17:35:23 < Mangy_Dog> i dont mind using that function name 2022-07-11T17:35:29 < Mangy_Dog> as long as i get an output :D 2022-07-11T17:36:40 < mawk> you can use the printf 2022-07-11T17:36:50 < mawk> but you still need to include all their .c and .S files 2022-07-11T17:37:04 < mawk> use SEGGER_RTT_printf(0, "lol\r\n"); 2022-07-11T17:37:18 < mawk> and if you include the syscall file you can just do printf("lol\r\n"); 2022-07-11T17:37:20 < Mangy_Dog> ok 2022-07-11T17:37:33 < Mangy_Dog> which c and S files though? 2022-07-11T17:37:44 < mawk> well in the directory where you found everything 2022-07-11T17:37:46 < Mangy_Dog> got #include "SEGGER_RTT_V766g/RTT/SEGGER_RTT.h" 2022-07-11T17:37:50 < mawk> ? 2022-07-11T17:37:52 < mawk> what's that 2022-07-11T17:37:55 < mawk> where did you find that 2022-07-11T17:38:11 < mawk> don't just copy the directory in your code and call it good, copy the files 2022-07-11T17:38:28 < mawk> copy the files that are in RTT in your own project 2022-07-11T17:38:33 < Mangy_Dog> that was the SEGGER_RTT_v766g rar file that had the library? 2022-07-11T17:38:39 < mawk> same for Config/SEGGER_RTT_Conf.h 2022-07-11T17:38:49 < mawk> and same for Syscalls/SEGGER_RTT_Syscalls_GCC.c 2022-07-11T17:38:49 < Mangy_Dog> configs there too 2022-07-11T17:38:58 < Mangy_Dog> but ok ill add them too 2022-07-11T17:38:59 < mawk> yeah, but copy the individual files into your project 2022-07-11T17:39:03 < mawk> don't just paste the directory like that 2022-07-11T17:39:03 < Mangy_Dog> i thought the main header included them 2022-07-11T17:39:10 < mawk> you don't include .c files 2022-07-11T17:39:16 < Mangy_Dog> i know 2022-07-11T17:39:17 < Mangy_Dog> i mean the h 2022-07-11T17:39:57 < Mangy_Dog> oh i was right the conf header is inside the main rtt header 2022-07-11T17:40:01 < mawk> then make sure you are compiling and linking the .c files 2022-07-11T17:40:23 < Mangy_Dog> i think they are 2022-07-11T17:40:52 < mawk> so find your elf binary, and run arm-none-eabi-nm on it 2022-07-11T17:40:54 < Mangy_Dog> yes they are 2022-07-11T17:41:04 < mawk> and look for the _SEGGER_RTT symbol 2022-07-11T17:41:10 < mawk> the address is what you need to give to openocd 2022-07-11T17:41:39 < mawk> or just ignore that and let openocd look for it 2022-07-11T17:41:44 < mawk> as long as it's in the start of the program 2022-07-11T17:41:50 < mawk> what's the RAM at on your chip? 2022-07-11T17:41:56 < Mangy_Dog> umm 2022-07-11T17:42:04 < Mangy_Dog> honestly forgot 2022-07-11T17:42:05 < Mangy_Dog> f103 2022-07-11T17:42:06 < mawk> 0x20000000 I think 2022-07-11T17:42:20 < mawk> so you type: rtt setup 0x20000000 2048 "SEGGER RTT" 2022-07-11T17:42:28 < mawk> that should be enough, it looks in the first two kilobytes 2022-07-11T17:42:35 < mawk> if it doesn't find it then give the exact address you found with nm 2022-07-11T17:42:39 < mawk> then you do: rtt start 2022-07-11T17:42:46 < Mangy_Dog> where? 2022-07-11T17:42:47 < mawk> and finally: rtt server start 8765 0 2022-07-11T17:42:54 < mawk> these are openocd commands 2022-07-11T17:42:58 < Mangy_Dog> oh 2022-07-11T17:43:08 < mawk> you can maybe get eclipse to pass commands to openocd 2022-07-11T17:43:17 < Mangy_Dog> yeah 2022-07-11T17:43:21 < PaulFertser> Or just run them manually over another telnet connection. 2022-07-11T17:43:24 < mawk> yeah 2022-07-11T17:43:50 < mawk> you can modify your linker script to make _SEGGER_RTT be for sure at the start of the executable 2022-07-11T17:43:54 < mawk> if it doesn't find it 2022-07-11T17:44:39 < Mangy_Dog> am i missing soemthing that didnt work https://cdn.discordapp.com/attachments/695271473308237985/996064448114602104/unknown.png 2022-07-11T17:44:53 < mawk> that's not how you pass commands 2022-07-11T17:45:01 < mawk> you should wrap each of them with -c "" 2022-07-11T17:45:17 < mawk> -c 'rtt setup 0x20000000 2048 "SEGGER RTT"' -c 'rtt start' 2022-07-11T17:45:19 < mawk> like this 2022-07-11T17:45:30 < mawk> then -c 'rtt server start 8765 0' 2022-07-11T17:45:36 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 276 seconds] 2022-07-11T17:45:42 < mawk> maybe you have to do -c 'init' first 2022-07-11T17:46:06 < mawk> you can also write a custom script with these commands, then load the script with -f 2022-07-11T17:46:18 < Mangy_Dog> Unexpected command line argument: SEGGER 2022-07-11T17:46:27 < mawk> how did you do it? 2022-07-11T17:46:42 < mawk> put it in a custom script, you will have less escaping issues 2022-07-11T17:46:47 < Mangy_Dog> https://cdn.discordapp.com/attachments/695271473308237985/996065009195044984/unknown.png 2022-07-11T17:46:53 < mawk> then you do -f path\to\your\script.cfg 2022-07-11T17:47:01 < mawk> you used "" 2022-07-11T17:47:06 < mawk> I told you with '' 2022-07-11T17:47:14 < Mangy_Dog> sighs ok 2022-07-11T17:47:14 < mawk> because "" is already used inside the command, you can reuse it 2022-07-11T17:47:18 < mawk> or else you need to escape it inside the command 2022-07-11T17:47:32 < mawk> -c "rtt setup 0x20000000 2048 \"SEGGER\"" 2022-07-11T17:47:33 < mawk> like this 2022-07-11T17:47:38 < mawk> I'm not sure if it's going to work 2022-07-11T17:47:48 < mawk> you can't reuse it* 2022-07-11T17:50:00 < Mangy_Dog> well it runs, but not seeing an output in the debugger console 2022-07-11T17:50:08 < mawk> which debugger console? 2022-07-11T17:50:13 < mawk> did you open a telnet to 127.0.0.1 8765 ? 2022-07-11T17:50:20 < mawk> that's where the output is, we told you 2022-07-11T17:50:35 < mawk> the output is on TCP port 8765 2022-07-11T17:51:06 < mawk> just a console and telnet to 127.0.0.1 8765 2022-07-11T17:51:10 < Mangy_Dog> i dont have a telnet app one min ill get pidgeon 2022-07-11T17:51:11 < mawk> install telnet if you don't have it 2022-07-11T17:51:16 < mawk> use putty, it supports telnet 2022-07-11T17:51:20 < Mangy_Dog> sorry putty 2022-07-11T17:51:31 < mawk> you can also install the native telnet command 2022-07-11T17:51:41 < mawk> if you go to programs in the windows settings, and "enable windows features" 2022-07-11T17:51:57 < mawk> in the old control panel 2022-07-11T17:51:58 < Mangy_Dog> yeah prefer putty :D 2022-07-11T17:52:33 < mawk> and you don't see any error in the openocd log? 2022-07-11T17:52:39 < mawk> it said it found the RTT block? 2022-07-11T17:58:14 < Mangy_Dog> https://cdn.discordapp.com/attachments/695271473308237985/996067877805371472/unknown.png 2022-07-11T17:58:22 < Mangy_Dog> not get anything 2022-07-11T17:58:32 < Mangy_Dog> appears to be connecting 2022-07-11T18:08:40 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-11T18:32:01 < Mangy_Dog> mawk? 2022-07-11T19:02:33 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-11T19:21:17 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 272 seconds] 2022-07-11T19:22:34 -!- witx [~witx@193.137.28.238] has quit [Remote host closed the connection] 2022-07-11T19:23:42 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-11T19:29:10 < Laurenceb> >discord 2022-07-11T19:35:55 < Mangy_Dog> easiest way for me to quickly post images 2022-07-11T19:53:03 < specing> Mangy_Dog: matrix 2022-07-11T19:53:09 < Mangy_Dog> ? 2022-07-11T19:53:10 < specing> even posts the link automatically! 2022-07-11T19:53:33 < specing> https://matrix.to/#/##stm32:libera.chat?via=libera.chat 2022-07-11T19:55:37 < Mangy_Dog> so whats matrix exsactly 2022-07-11T19:59:35 < specing> decentralysed and federated chat 2022-07-11T19:59:50 < specing> with all the bells and whistles people expect 2022-07-11T20:04:40 < Steffanx> Written in Ada? 2022-07-11T20:25:04 -!- witx [~witx@193.137.28.238] has quit [Quit: leaving] 2022-07-11T20:26:53 < specing> unfortunately not, the implementations are almost all webshit 2022-07-11T20:27:06 < specing> but it's what people love and expect 2022-07-11T20:27:42 < srk> no, core is python 2022-07-11T20:27:49 < srk> synapse 2022-07-11T20:28:03 < srk> which sucks hard because it needs like 2G of ram 2022-07-11T20:28:16 < srk> but there's another rust implementation in progress called dendrite 2022-07-11T20:38:55 < Mangy_Dog> mawk i got the thing connected to telnet but im not getting output from it 2022-07-11T20:39:16 < Mangy_Dog> also i foudn the telnet terminal window for eclipse 2022-07-11T20:45:49 < PaulFertser> Mangy_Dog: sorry, I never used RTT, I guess you have to wait for mawk for additional ideas. 2022-07-11T20:46:09 < Mangy_Dog> :/ 2022-07-11T20:50:39 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-11T21:23:10 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-11T21:44:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-11T21:58:17 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-11T22:41:01 -!- rajkosto [~rajkosto@178.220.100.60] has joined ##stm32 2022-07-11T22:43:17 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-11T22:44:03 < upgrdman> i want to "trigger" usb-pd to provide 12v. is there an easy way to do that with resistors, or does it actually negotiate over d+/d-? 2022-07-11T22:45:36 < emeryth> no way, usb-pd is hella complex 2022-07-11T22:45:46 < upgrdman> k 2022-07-11T22:46:08 < emeryth> you could do it with a Quick Charge charger with very simple logic, but not usb-pd 2022-07-11T22:47:13 < emeryth> I mean there are ready made chinese chips to trigger PD, but it's not just resistors 2022-07-11T22:47:33 < catphish> USB-PD is simple! 2022-07-11T22:47:39 < catphish> ...if you just buy a chip and plug it in 2022-07-11T22:48:14 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has joined ##stm32 2022-07-11T22:49:01 < PaulFertser> USB PD goes over CC pins, not regular data pins. 2022-07-11T22:49:34 < PaulFertser> QC logic is still logic though, not resistors. 2022-07-11T22:50:25 < upgrdman> k 2022-07-11T22:51:36 < PaulFertser> https://www.instructables.com/QC-30-Trigger/ 2022-07-11T22:53:36 < kaki> hello early crews 2022-07-11T22:54:02 < kaki> interesting link PaulFertser 2022-07-11T22:54:51 < englishman> upgrdman: the easiest way is to use a standalond pd negotation chip 2022-07-11T22:55:06 < englishman> cypress has one, st has one 2022-07-11T22:55:10 < englishman> and some others 2022-07-11T22:55:46 < emeryth> can you actually buy either of those? 2022-07-11T22:55:50 < kaki> QC3.0 can do 200mV steps.. you can maybe skip one regulator by using that 2022-07-11T22:55:57 < englishman> yes, for $400 each 2022-07-11T22:56:08 < upgrdman> hmm ya i found some "pd trigger" moduels on amazon. 2022-07-11T22:57:24 < emeryth> yeah, they use IP2721 2022-07-11T23:00:04 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-11T23:01:16 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-11T23:23:58 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-11T23:28:22 < upgrdman> e-stop buttons are too expensive https://www.reddit.com/r/ActualPublicFreakouts/comments/vw0vik/shitty_day_at_work_in_china/ 2022-07-11T23:28:37 < Jookia> QC over type-c isn't really allowed 👀 2022-07-11T23:30:59 < zyp> bullshit 2022-07-11T23:31:07 < rajkosto> absolutely allowed 2022-07-11T23:31:17 < Jookia> oh, did they update the spec? 2022-07-11T23:31:27 < rajkosto> whats it got to do with the spec ? 2022-07-11T23:31:42 < Jookia> the type-c spec says you can't have proprietary charging protocols on a type-c connector 2022-07-11T23:31:50 < rajkosto> you negotiate PD via the CC pin, you negotiate QC via the data pins 2022-07-11T23:32:11 < zyp> Jookia, quote please 2022-07-11T23:32:26 < Jookia> zyp: really? ok one sec 2022-07-11T23:32:36 < upgrdman> my dell laptop has a 130W usb-c charger... guessing they're not using normal usb-pd 2022-07-11T23:33:13 < upgrdman> or maybe dell is just like "let's negotiate 100W and try to draw 130W, lol, wcgw?" 2022-07-11T23:33:17 < Jookia> zyp: https://www.usb.org/sites/default/files/USB%20Type-C%20Spec%20R2.0%20-%20August%202019.pdf section 4.6.2.3 2022-07-11T23:33:33 < zyp> upgrdman, unless it's new enough to have PD 3.1 2022-07-11T23:33:36 < Jookia> "Devices with USB Type-C connectors shall only employ signaling methods defined in USB specifications to negotiate power ." 2022-07-11T23:33:51 < upgrdman> zyp, 2021 xps 17, i think that's before pd3.1 2022-07-11T23:36:35 < zyp> Jookia, QC 4 is based on PD 2022-07-11T23:37:23 < Jookia> zyp: ok? 2022-07-11T23:49:04 < qyx> qc isn't banned yet? 2022-07-11T23:50:34 < zyp> you can't ban stupidity, people are gonna do what they want either way, all you can do is design stuff sanely so people got less of a reason to fuck it up --- Day changed ti heinä 12 2022 2022-07-12T00:01:19 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-12T00:01:21 < englishman> huh, that's pretty clear 2022-07-12T00:01:29 < englishman> although it's not clear when that section was deprecated 2022-07-12T00:02:03 < englishman> what does Qc4 have to add over usbpd? 2022-07-12T00:02:50 < zyp> not sure, but given that it exists I assume it must have some purpose 2022-07-12T00:03:45 < zyp> unless it's all just marketing wank given that QC was an established name 2022-07-12T00:03:54 < zyp> repackage PD, call it QC 4, profit 2022-07-12T00:04:06 < rajkosto> maybe they adding 200mV steps to PD now 2022-07-12T00:05:06 < zyp> pretty sure that was already supported in PD 2022-07-12T00:05:28 < rajkosto> it is ? i thought it was 9V, 12V, 15V, 20V etc 2022-07-12T00:05:37 < rajkosto> and not all chargers support all the modes 2022-07-12T00:05:56 < zyp> PD supports variable voltage as well, not sure since when, but I've yet to see a charger actually implementing it 2022-07-12T00:07:13 < zyp> IIRC PD also supports unregulated voltages like e.g. solar panels, where the device side can do regulation 2022-07-12T00:07:40 < catphish> zyp: that's pretty cool 2022-07-12T00:08:02 < zyp> I think karlp was looking for variable voltage PD chargers once, not sure whether he found any 2022-07-12T00:26:49 < ds2> isn't variable PD a new standard? 2022-07-12T00:33:21 < zyp> hmm, not sure 2022-07-12T00:33:31 < Laurenceb> uh oh 2022-07-12T00:33:35 < zyp> it's in PD 2.0 1.3 at least, dated january 2017 2022-07-12T00:33:44 < Laurenceb> spacex startship had minor splosion 2022-07-12T00:35:54 < catphish> :( 2022-07-12T00:38:52 < Laurenceb> https://nitter.pussthecat.org/elonmusk/status/1546607458461880321#m 2022-07-12T00:38:57 < Laurenceb> cpp; story bro 2022-07-12T00:39:01 < Laurenceb> *cool 2022-07-12T00:44:28 < Laurenceb> maybe they screwed up the ignition so there was a methane cloud 2022-07-12T00:52:25 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-12T00:52:49 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-12T01:03:17 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] 2022-07-12T01:05:59 -!- rajkosto [~rajkosto@178.220.100.60] has quit [Read error: Connection reset by peer] 2022-07-12T01:15:46 < Laurenceb> hmm I'm getting confused by iptables 2022-07-12T01:16:00 < Laurenceb> to swap udp port number on localhost is it best to use the mangle table? 2022-07-12T01:23:03 < catphish> normally you'd use the nat table for such changes 2022-07-12T01:23:13 < Laurenceb> ok 2022-07-12T01:23:15 < Laurenceb> sudo iptables -t nat -A PREROUTING -s 127.0.0.0/8 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x07000000" -j REDIRECT --to-port $otmr_port 2022-07-12T01:23:43 < catphish> seems about right 2022-07-12T01:23:59 < Laurenceb> PREROUTING is ok to swap port of stuff on localhost? 2022-07-12T01:25:33 < catphish> yes, you normally use REDIRECT with -t nat -A PREROUTING 2022-07-12T01:25:46 < catphish> this should work 2022-07-12T01:26:51 < Laurenceb> ok thanks 2022-07-12T01:32:41 < ds2> how many common PD supplies support variable voltage? 2022-07-12T01:34:01 < upgrdman> Laurenceb, you might like this https://www.reddit.com/r/ActualPublicFreakouts/comments/vw0vik/shitty_day_at_work_in_china/ 2022-07-12T01:34:10 < mawk> why do you use --u32 Laurenceb 2022-07-12T01:34:14 < mawk> what are you testing for 2022-07-12T01:35:08 < catphish> mawk: he's doing some weird hack where he redirects certain packets from an application to another part of the application, i think 2022-07-12T01:36:05 < catphish> i didn't check, i hope / assume this is an application layer match 2022-07-12T01:37:10 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-12T01:37:38 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-12T01:41:08 < Laurenceb> yeah 2022-07-12T01:41:31 < Laurenceb> first byte of udp packet is lowest 8bit of CAN id 2022-07-12T01:41:49 < Laurenceb> this is haxoring can data by converting to udp 2022-07-12T01:49:21 < catphish> seems like an unusually clear and valid case for a -u32 and a -j REDIRECT :) 2022-07-12T01:51:54 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-12T01:51:59 < Laurenceb> wow the james webb space telescope conference is cringe 2022-07-12T01:52:29 < Laurenceb> https://stsci-opo.org/STScI-01G7JJADTH90FR98AKKJFKSS0B.png 2022-07-12T01:52:36 < Laurenceb> warning ,big 2022-07-12T01:54:34 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-12T01:55:05 < Jookia> it's day XXXX of trying to figure out why optee won't work :( 2022-07-12T01:55:58 < Jookia> starting to suspect compiler bug 2022-07-12T01:59:45 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-12T02:06:37 -!- Alexer [~alexer@alexer.net] has quit [Ping timeout: 256 seconds] 2022-07-12T02:08:25 < upgrdman> anyone use a cheap "articulating arm" camera mount that is good? i have the manfrotto magic arm + super clamp, and they're great, but i could use a cheap one too 2022-07-12T02:30:58 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 260 seconds] 2022-07-12T02:35:48 < Laurenceb> Pastebin’s SMART filters have detected potentially offensive or questionable content in your paste. 2022-07-12T02:35:52 < Laurenceb> what the fuuuu 2022-07-12T02:37:18 < Laurenceb> sheet 2022-07-12T02:43:07 < kaki> you will be banned from internets now? 2022-07-12T02:48:32 < Laurenceb> probably 2022-07-12T02:48:36 < Laurenceb> the absolute state 2022-07-12T02:48:49 < Laurenceb> pastie is still uncensored 2022-07-12T02:48:58 < Laurenceb> lolll 2022-07-12T02:49:04 < Laurenceb> >gaddamit is a banned word 2022-07-12T02:49:20 < Laurenceb> >"fuck off" is b& 2022-07-12T02:49:47 < Laurenceb> loll someone got b& for code containing a variable called booty 2022-07-12T02:59:49 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 272 seconds] 2022-07-12T03:00:18 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-12T03:14:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-12T03:14:37 -!- akaWolf [~akaWolf@188.243.245.20] has joined ##stm32 2022-07-12T03:27:03 -!- akaWolf [~akaWolf@188.243.245.20] has quit [Ping timeout: 272 seconds] 2022-07-12T03:34:26 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-12T03:42:24 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-12T03:47:34 -!- Helmholtz [~leibnizma@2001:470:69fc:105::3124] has quit [Quit: Client limit exceeded: 20000] 2022-07-12T03:47:42 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-12T03:51:52 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-12T04:08:54 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-12T04:53:27 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-12T05:16:24 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-12T05:45:55 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-12T06:04:45 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-12T06:14:13 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-12T06:43:44 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-12T06:44:10 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-12T07:40:29 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-12T07:42:33 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-12T08:03:28 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 260 seconds] 2022-07-12T08:04:19 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-12T08:09:31 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-12T08:09:41 -!- Alexer [~alexer@alexer.net] has joined ##stm32 2022-07-12T08:10:00 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-12T09:23:52 -!- c4017_ [~c4017@2604:3d08:747f:7c90:21ed:749:aa1f:bfb0] has joined ##stm32 2022-07-12T09:23:53 -!- t4nk_fn [~Go@user/t4nk] has joined ##stm32 2022-07-12T09:23:53 -!- drkow [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-12T09:24:01 -!- c4017 [~c4017@S0106c0943583f893.vf.shawcable.net] has quit [Read error: Connection reset by peer] 2022-07-12T09:24:02 -!- drfff [~k\o\w@72.53.234.152] has quit [Read error: Connection reset by peer] 2022-07-12T09:24:02 -!- t4nk_freenode [~Go@user/t4nk] has quit [Remote host closed the connection] 2022-07-12T09:24:18 -!- Jookia [~jookia@LuminaSensum/founder/Jookia] has quit [Ping timeout: 240 seconds] 2022-07-12T09:25:22 -!- Jookia [~jookia@LuminaSensum/founder/Jookia] has joined ##stm32 2022-07-12T09:46:47 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-12T09:47:14 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-12T10:24:24 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-12T10:31:50 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-12T10:33:55 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-12T12:37:10 -!- Miyu [~hackkitte@2a00:6020:5090:5700:5974:c4eb:c9c6:4849] has joined ##stm32 2022-07-12T12:41:30 -!- hackkitten [~hackkitte@2a00:6020:5090:5700::e34] has quit [Ping timeout: 276 seconds] 2022-07-12T12:51:13 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-12T12:58:22 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has quit [Quit: Client closed] 2022-07-12T13:01:40 -!- Miyu is now known as hackkitten 2022-07-12T13:30:59 -!- nw0- [~nw0@66.42.86.20] has joined ##stm32 2022-07-12T13:37:28 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-12T13:37:28 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-12T13:38:58 -!- specing_ is now known as specing 2022-07-12T14:10:53 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-12T14:10:58 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 260 seconds] 2022-07-12T14:26:43 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 260 seconds] 2022-07-12T14:41:24 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-12T14:42:31 -!- dogukan [~dogukan@user/dogukan] has joined ##stm32 2022-07-12T15:00:07 -!- yukam [~yukam@user/yukam] has quit [Ping timeout: 256 seconds] 2022-07-12T15:03:18 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-12T15:04:40 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-12T15:06:15 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-12T15:07:37 -!- yukam [~yukam@user/yukam] has joined ##stm32 2022-07-12T15:20:02 < mawk> Steffanx https://youtu.be/xIjWNsQhSAY 2022-07-12T15:20:03 -!- Helmholtz [~leibnizma@2001:470:69fc:105::3124] has joined ##stm32 2022-07-12T15:20:07 < mawk> it's a nice french song 2022-07-12T15:20:31 < mawk> about killing politicians, spitting on their tombs, burning churches 2022-07-12T15:21:53 < Jookia> flashing light alert for video 2022-07-12T15:35:04 < mawk> it's a love song 2022-07-12T15:35:28 < mawk> the title is a pun, "I want to do love/death with you" 2022-07-12T15:48:32 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-12T16:09:35 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-12T16:17:03 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-12T16:20:17 < bitmask> anyone know how they colored the webb images? 2022-07-12T16:20:49 < bitmask> is it an accurate range just blue shifted? 2022-07-12T16:21:21 < bitmask> or an artists rendition 2022-07-12T16:21:36 < mawk> is it not visible spectrum? 2022-07-12T16:21:45 < mawk> then it'd be true colors 2022-07-12T16:21:47 < bitmask> thought webb was only infrared? 2022-07-12T16:21:50 < mawk> ah 2022-07-12T16:21:54 < mawk> I don't know 2022-07-12T16:22:46 < mawk> maybe they would blue shift the range to visible, but I don't know if that would give best results 2022-07-12T16:23:02 < mawk> I would imagine a custom color scheme designed to look good and clear 2022-07-12T16:23:22 < bitmask> yea thats why im wondering 2022-07-12T16:24:42 < bitmask> and how do you determine how far/old the light is? i guess it cant purely be wavelength, i guess comparison with older data or something, i dunno 2022-07-12T16:25:20 < bitmask> the amount the light has redshifted in x amount of time based on the expansion of the universe 2022-07-12T16:25:35 < bitmask> although i dont think the expansion is uniform 2022-07-12T16:26:08 < mawk> using standard candles 2022-07-12T16:26:16 < mawk> nearby stars with known age 2022-07-12T16:26:19 < mawk> something like this 2022-07-12T16:26:37 < bitmask> hmm 2022-07-12T16:26:44 < mawk> https://en.wikipedia.org/wiki/Cosmic_distance_ladder#Standard_candles 2022-07-12T16:26:53 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 260 seconds] 2022-07-12T16:27:13 < mawk> then you know distance with these 2022-07-12T16:27:15 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-12T16:27:43 < bitmask> they use a be on the lookout meter 2022-07-12T16:27:46 < bitmask> sorry bad joke 2022-07-12T16:28:44 < mawk> what's a lookout meter 2022-07-12T16:28:54 < bitmask> it says they use a bolometer 2022-07-12T16:29:03 < bitmask> bolo means be on the lookout for cops 2022-07-12T16:29:03 < mawk> ah 2022-07-12T16:29:07 < mawk> ooo 2022-07-12T16:29:14 < mawk> lol 2022-07-12T16:29:20 < mawk> bolognese 2022-07-12T16:29:24 < bitmask> dont laugh, it doesnt deserve it 2022-07-12T16:29:29 < bitmask> :) 2022-07-12T16:30:48 < mawk> I think we had one of these in school lab 2022-07-12T16:31:17 < mawk> also some expensive pieces of kit, like a michelson-morlay interferometer 2022-07-12T16:31:25 < mawk> "if you drop it you pay it mawk!!" 2022-07-12T16:31:39 < mawk> I probably broke at least one expensive thing there 2022-07-12T16:31:56 < bitmask> heh 2022-07-12T16:34:26 < bitmask> The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Red: F444W Orange: F356W Green: F200W + F277W Blue: F090W + F150W 2022-07-12T16:38:31 < bitmask> F444W is about 4-5 microns, F356W is about 3-4, F200W is about 1.5-2.2, F277W is about 2.4-3.3, F090W is about 0.8-1.0 and F150W is about 1.3-1.6 2022-07-12T16:39:54 < bitmask> so yea its in the right order just blueshifted 2022-07-12T16:40:12 < bitmask> https://jwst-docs.stsci.edu/files/97978094/97978103/1/1596073152060/nircam_filters.png 2022-07-12T16:57:16 < mawk> right 2022-07-12T17:09:04 < bitmask> oh noes, i gotta stop this rabbit hole 2022-07-12T17:09:14 * bitmask closes chrome 2022-07-12T17:22:50 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 240 seconds] 2022-07-12T17:24:03 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-12T17:24:28 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-12T17:48:23 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-12T17:56:30 < Sadale> I find it weird how color can be assigned this way. To the general public those people who see the photo may mistakenly believe that the color are the actual color. 2022-07-12T18:01:33 < PaulFertser> What harm will it do? 2022-07-12T18:04:17 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-12T18:12:20 < Sadale> hmm. being misleading? Dunno. 2022-07-12T18:12:49 < Sadale> Whoever realize that would be like "ohhhh! So the color is fake! Damn. I was being lied to." 2022-07-12T18:21:59 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has joined ##stm32 2022-07-12T18:29:25 < bitmask> seems a bit extreme. i mean how else are you gonna look at it 2022-07-12T18:39:22 < Sadale> hmm. Indeed. I guess there isn't much harm, really. 2022-07-12T18:46:06 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-12T19:00:59 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-12T19:01:01 < Laurenceb> https://www.conservationevidence.com/actions/1768 2022-07-12T19:02:26 < Laurenceb> memetic 2022-07-12T19:09:27 < Mangy_Dog> mawk are you still around to help? As mentioned it seems i got it running but im not getting any output. I did noticed something in the docs for RTT in openocd, 'rtt start' but im unable to add that to the command list, as it needs to be entered after the program has started 2022-07-12T19:09:53 < mawk> add -c init 2022-07-12T19:09:58 < mawk> before the RTT commands 2022-07-12T19:10:11 < mawk> this will tell openocd it's a command for when program is running 2022-07-12T19:10:23 < Mangy_Dog> ahh k 2022-07-12T19:11:30 < Laurenceb> hmf 2022-07-12T19:11:41 < Laurenceb> muh iptables redirect rule isnt redirecting 2022-07-12T19:12:29 < Laurenceb> http://pastie.org/p/1x6nNXOKTBL9Vpgfw5MY8a 2022-07-12T19:14:05 < Laurenceb> I used MSG_DONTROUTE on my transmit socket 2022-07-12T19:15:07 < Mangy_Dog> hmmm still no readout on telnet :/ 2022-07-12T19:15:54 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-12T19:21:09 < mawk> but what does openocd says 2022-07-12T19:21:16 < mawk> does the telnet even opens? 2022-07-12T19:21:29 < mawk> did you follow every command in the openocd doc for rtt? 2022-07-12T19:21:40 < mawk> you should see in the openocd logs if it found the control block 2022-07-12T19:21:47 < Mangy_Dog> Info : accepting 'rtt' connection on tcp/9090 (i changed the port to 9090 simply because the docs were using it 2022-07-12T19:21:52 < mawk> before that 2022-07-12T19:22:00 < mawk> you don't see it found the control block? 2022-07-12T19:22:18 < mawk> does it do rtt start and so on? 2022-07-12T19:22:27 < mawk> and setting the address of control block 2022-07-12T19:22:56 < mawk> and do you do SEGGER_RTT_printf(0, "lol\r\n"); in your code 2022-07-12T19:23:12 < Mangy_Dog> just reading through the comman line console.... no control block found 2022-07-12T19:23:29 < mawk> did you include the rtt headers? 2022-07-12T19:23:34 < mawk> and the .c files of course 2022-07-12T19:23:51 < mawk> you said they were compiled in, so can you check the list of symbols to find it? 2022-07-12T19:23:56 < mawk> with nm 2022-07-12T19:24:06 < mawk> it's in your gcc toolchain 2022-07-12T19:24:15 < mawk> arm-none-eabi-nm 2022-07-12T19:24:27 < mawk> find the _SEGGER_RTT symbol 2022-07-12T19:24:32 < Mangy_Dog> SEGGER_RTT.h" added to each module that i was plannign to read out from 2022-07-12T19:24:48 < mawk> and the .c files are they compiled and link with your code? check with nm 2022-07-12T19:25:01 < mawk> find the elf file, run nm on it 2022-07-12T19:25:22 < Mangy_Dog> nm? 2022-07-12T19:25:28 < mawk> yes, arm-none-eabi-nm 2022-07-12T19:25:40 < mawk> a command that is in your gnu compiler toolchain 2022-07-12T19:25:56 < mawk> probably hidden away in eclipse directories if you didn't download it yourself 2022-07-12T19:26:01 < Mangy_Dog> the tool chain is kind of ... automated 2022-07-12T19:26:05 < Mangy_Dog> i didnt set it up myself 2022-07-12T19:26:07 < mawk> eclipse probably can show you symbols of your elf 2022-07-12T19:26:10 < Mangy_Dog> yeah 2022-07-12T19:26:24 < mawk> in anycase you can download the toolchain if you can't find it and get nm from there 2022-07-12T19:26:29 < mawk> or use eclipse 2022-07-12T19:26:36 < mawk> and find that symbol 2022-07-12T19:27:55 < mawk> so what's the address of the symbol 2022-07-12T19:28:25 < mawk> if it's too far from the start of ram modify your linker script to place it first 2022-07-12T19:28:26 < Mangy_Dog> the elf itself wont load to anything readable in eclipse 2022-07-12T19:28:39 < mawk> yeah usually it's not like that 2022-07-12T19:28:45 < mawk> you'd have a tab with all symbols 2022-07-12T19:28:50 < mawk> maybe in the debugger view 2022-07-12T19:29:02 < mawk> anyway just download the toolchain and use nm from that 2022-07-12T19:29:10 < Mangy_Dog> the tree view shows all the included headers and c file sof the entire compile 2022-07-12T19:29:17 < Mangy_Dog> i have the tool chain somewhere one min 2022-07-12T19:29:33 < mawk> https://developer.arm.com/-/media/Files/downloads/gnu-rm/10.3-2021.10/gcc-arm-none-eabi-10.3-2021.10-win32.zip 2022-07-12T19:30:06 < mawk> good then run arm-none-eabi-nm.exe on the elf and look for _SEGGER_RTT 2022-07-12T19:31:14 < Laurenceb>   0 0 REDIRECT udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 u32 "0x1c&0x1f000000=0x2000000:0x4000000" redir ports 1252 2022-07-12T19:31:32 < Laurenceb> rules are there but no matching, but I can see matching data on the port 2022-07-12T19:31:34 < mawk> what do you use u32 for Laurenceb 2022-07-12T19:31:43 < Laurenceb> matching packet contents 2022-07-12T19:31:46 < mawk> use the trace target to know what a rule does 2022-07-12T19:31:48 < Laurenceb> I'll try drop 2022-07-12T19:31:50 < mawk> yeah but what contents 2022-07-12T19:31:54 < mawk> which protocol is it 2022-07-12T19:31:59 < Laurenceb> raw binary 2022-07-12T19:32:02 < mawk> ah 2022-07-12T19:32:07 < mawk> are you sure about the matcher? 2022-07-12T19:32:15 < mawk> why is it for localhost? 2022-07-12T19:32:17 < Mangy_Dog> 200042e4 B _SEGGER_RTT 2022-07-12T19:32:18 < Laurenceb> can data shoved onto the port, first 4 bytes is the can uid 2022-07-12T19:32:33 < mawk> good Mangy_Dog so that's too far from the start of the ram 2022-07-12T19:32:37 < Laurenceb> I'll check with DROP, that worked yesterday 2022-07-12T19:32:46 < mawk> but to test it quickly you can give address 0x200042e4 2022-07-12T19:32:54 < mawk> in the openocd command 2022-07-12T19:33:01 < mawk> instead of 0x20000000 2022-07-12T19:33:08 < mawk> that won't change a thing Laurenceb 2022-07-12T19:33:19 < mawk> if the rule doesn't match with redirect it won't match with drop 2022-07-12T19:33:26 < Laurenceb> nope DROP is working perfectly 2022-07-12T19:33:29 < mawk> you can also just not put a target, then it's a counting rule 2022-07-12T19:33:30 < Laurenceb> just tried it 2022-07-12T19:33:43 < mawk> then you're doing something wrong with the command 2022-07-12T19:33:52 < mawk> target doesn't influence the matching 2022-07-12T19:34:05 < Mangy_Dog> was getting excited, still no control block found 2022-07-12T19:34:27 < mawk> show the command Mangy_Dog 2022-07-12T19:34:44 < Mangy_Dog> -c "set FLASH_SIZE 131072" -f "interface\stlink-v2.cfg" -f "target\stm32f1x.cfg" 2022-07-12T19:34:44 < Mangy_Dog> -c init 2022-07-12T19:34:44 < Mangy_Dog> -c 'rtt setup 0x200042e4 2048 "_SEGGER_RTT"' 2022-07-12T19:34:44 < Mangy_Dog> -c 'rtt server start 9090 0' 2022-07-12T19:34:44 < Mangy_Dog> -c 'rtt start' 2022-07-12T19:34:51 < Laurenceb> mawk: this diagram suggests otherwise?  https://erlerobotics.gitbooks.io/erle-robotics-introduction-to-linux-networking/content/security/img9/iptables.gif 2022-07-12T19:34:53 < mawk> maybe put 0x20004200 as address 2022-07-12T19:35:09 < mawk> a bit before the block 2022-07-12T19:35:43 < mawk> this diagram doesn't say anything about matching Laurenceb 2022-07-12T19:35:46 < Mangy_Dog> still not found :/ 2022-07-12T19:35:52 < Laurenceb> ok 2022-07-12T19:36:01 < mawk> don't you have init commands to call Mangy_Dog ? 2022-07-12T19:36:06 < mawk> also put a delay maybe 2022-07-12T19:36:12 < Laurenceb>  sudo iptables -D INPUT -s 127.0.0.0/8 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j DROP 2022-07-12T19:36:15 < Laurenceb> ^that works 2022-07-12T19:36:17 < mawk> rtt isn't initialized as soon as the program starts 2022-07-12T19:36:30 < Laurenceb> sudo iptables -t nat -A PREROUTING -s 127.0.0.0/8 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-12T19:36:36 < Laurenceb> ^that fails to match anything 2022-07-12T19:36:39 < mawk> you can type the commands manually after openocd is started Mangy_Dog 2022-07-12T19:36:43 < mawk> in another telnet session 2022-07-12T19:36:51 < Laurenceb> ignore the -D , s / -D / -A 2022-07-12T19:36:59 < mawk> it's not even the same table, Laurenceb 2022-07-12T19:37:04 < mawk> you didn't just change the -j 2022-07-12T19:37:04 < Laurenceb> so? 2022-07-12T19:37:13 < mawk> well so the table has an influence on matching 2022-07-12T19:37:14 < mawk> lol 2022-07-12T19:37:17 < Mangy_Dog> not sure i can do it through telnet as i get the error wrn : rtt down-channel 0 ios not available 2022-07-12T19:37:27 < Laurenceb> mawk: yeah in the diagram right? 2022-07-12T19:37:45 < mawk> I said changing the value of -j doesn't change matching, Laurenceb 2022-07-12T19:37:49 < Mangy_Dog> how can i add a delay to the ocd command list? 2022-07-12T19:37:52 < Laurenceb> ok 2022-07-12T19:37:56 < mawk> you're changing other stuff besides that 2022-07-12T19:38:03 < mawk> so of course matching is different 2022-07-12T19:38:04 < Laurenceb> hmf 2022-07-12T19:38:14 < mawk> Mangy_Dog sleep probably 2022-07-12T19:38:18 < mawk> -c sleep 5 2022-07-12T19:38:19 < Laurenceb> mangle tble wouldnt accept that argument 2022-07-12T19:38:22 < mawk> or 5000 2022-07-12T19:38:27 < mawk> Laurenceb put no argument 2022-07-12T19:38:31 < mawk> no -j 2022-07-12T19:38:35 < mawk> then it's a counting rule 2022-07-12T19:38:45 < Laurenceb> ah ok I'll have a go 2022-07-12T19:38:51 < mawk> or put -j TRACE, I think? 2022-07-12T19:39:07 < mawk> then you can trace how the rule is interpreted and all that 2022-07-12T19:39:15 < mawk> in the kernel log 2022-07-12T19:39:44 < Mangy_Dog> -c sleep 5000 gives unexpected command 5000 2022-07-12T19:39:46 < Mangy_Dog> error 2022-07-12T19:39:52 < mawk> use quotes 2022-07-12T19:39:58 < mawk> -c "sleep 5000" 2022-07-12T19:40:06 < mawk> I don't know if it expects seconds or ms 2022-07-12T19:40:13 < Laurenceb>   0 0 TRACE udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 u32 "0x1c&0x1f000000=0x2000000:0x4000000" 2022-07-12T19:40:15 < mawk> look in the rtt headers there is maybe an init function you can call early 2022-07-12T19:40:16 < Mangy_Dog> nods ill try 2022-07-12T19:40:34 < mawk> why do you match on localhost Laurenceb 2022-07-12T19:40:48 < Laurenceb> mawk: I need to intercept data there 2022-07-12T19:40:56 < mawk> address is localhost when you sent the packet yourself 2022-07-12T19:41:00 < Laurenceb> sure 2022-07-12T19:41:12 < mawk> to yourself 2022-07-12T19:41:39 < mawk> I don't think you can match on src address localhost like this 2022-07-12T19:41:43 < Laurenceb> I have a ton of software modules, I don't have authority to rewrite a lot of them 2022-07-12T19:41:47 < Mangy_Dog> appears to be ms 2022-07-12T19:41:55 < Laurenceb> mawk: it works with DROP 2022-07-12T19:42:04 < mawk> yes, in a different table 2022-07-12T19:42:25 < Laurenceb> hmm ok I'll see if anything has done this before 2022-07-12T19:42:35 < mawk> remove the localhost thing 2022-07-12T19:42:38 < mawk> and see if it still matches 2022-07-12T19:43:04 < mawk> then look in iptables-extensions manual there is something to match locally generated packets probably 2022-07-12T19:43:14 < mawk> else you can mark them in OUTPUT table in mangle 2022-07-12T19:43:22 < mawk> or something like this 2022-07-12T19:43:39 < mawk> also REDIRECT tend to go in the nat table, why mangle Laurenceb ? 2022-07-12T19:44:00 < Mangy_Dog> still not finding the control block no matter where i put the sleep 2022-07-12T19:44:00 < mawk> mangle is for setting packet marks and such 2022-07-12T19:44:09 < Mangy_Dog> though it seems sleep is also delaying the start of the mcu too 2022-07-12T19:44:16 < mawk> how are you printing in your code? 2022-07-12T19:44:26 < mawk> well type the commands yourself after the mcu started 2022-07-12T19:44:45 < mawk> remove the commands from there, start your code, then connect to openocd with telnet and type the commands 2022-07-12T19:44:55 < Laurenceb> hmm OUTPUT with nat fails 2022-07-12T19:45:16 < Mangy_Dog> ok 2022-07-12T19:45:18 < mawk> maybe PaulFertser can help to tell us if there's a way to periodically scan for the control block 2022-07-12T19:45:33 < Laurenceb> aha its working 2022-07-12T19:45:39 < Laurenceb> mangle table and OUTPUT 2022-07-12T19:45:57 < mawk> OUTPUT is for locally generated packets 2022-07-12T19:46:10 < Laurenceb> Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) 2022-07-12T19:46:10 < Laurenceb>  pkts bytes target prot opt in out source destination 2022-07-12T19:46:11 < Laurenceb>   886 32896 TRACE udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 u32 "0x1c&0x1f000000=0x2000000:0x4000000" 2022-07-12T19:46:12 < mawk> locally generated packets do not go through PREROUTING usually 2022-07-12T19:46:17 < Laurenceb> ok 2022-07-12T19:46:18 < mawk> you have to do some magic for that to happen 2022-07-12T19:48:09 < Mangy_Dog> still no control block found 2022-07-12T19:48:30 < mawk> if the mcu running? how do you know 2022-07-12T19:48:42 < Mangy_Dog> openocd says so 2022-07-12T19:48:46 < mawk> and again, how are you printing in your code? 2022-07-12T19:48:51 < Mangy_Dog> telnet 2022-07-12T19:48:54 < mawk> how does it say so? 2022-07-12T19:49:06 < mawk> it could be in reset 2022-07-12T19:49:17 < Mangy_Dog> both in telnet and in the openocd console in eclipse 2022-07-12T19:49:26 < mawk> what did you do in your source code to print to rtt? 2022-07-12T19:49:44 < mawk> there is a rtt initialize function, you might want to try to call it early 2022-07-12T19:49:58 < Mangy_Dog> SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL); 2022-07-12T19:49:58 < Mangy_Dog> SEGGER_RTT_Init(); 2022-07-12T19:49:58 < Mangy_Dog> SEGGER_RTT_SetTerminal(0); 2022-07-12T19:49:58 < Mangy_Dog> SEGGER_RTT_printf(0, "SEGGER Real-Time-Terminal Sample\r\n"); 2022-07-12T19:50:09 < mawk> are you sure about these? 2022-07-12T19:50:29 < mawk> if you debug your code, does it get there! 2022-07-12T19:50:30 < mawk> ?* 2022-07-12T19:50:36 < Mangy_Dog> yeah 2022-07-12T19:50:43 < Mangy_Dog> goes past it and into the rest of my program 2022-07-12T19:50:55 < mawk> and does SEGGER_RTT_ contains anything? 2022-07-12T19:51:00 < mawk> when you look with the debugger 2022-07-12T19:51:12 < mawk> you know the address, you can look at the bytes inside 2022-07-12T19:51:25 < mawk> it should contain "SEGGER_RTT" or something 2022-07-12T19:54:19 < Mangy_Dog> https://cdn.discordapp.com/attachments/695271473308237985/996459482768998460/unknown.png 2022-07-12T19:54:28 < Mangy_Dog> upper right 2022-07-12T19:54:44 < Mangy_Dog> took a moment to find the right window 2022-07-12T19:55:29 < mawk> don't put it in instruction modes 2022-07-12T19:55:31 < mawk> just data 2022-07-12T19:55:47 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-12T19:56:03 < mawk> well 2022-07-12T19:56:10 < mawk> you see bottom left it contains SEGGER 2022-07-12T19:56:12 < mawk> so it's good 2022-07-12T19:56:25 < mawk> are you sure you opened a openocd telnet and typed the commands yourself? 2022-07-12T19:56:37 < mawk> because that's the control block 2022-07-12T19:56:53 < Mangy_Dog> yes 2022-07-12T19:57:10 < mawk> look in source code, maybe it doesn't contain _SEGGER_RTT 2022-07-12T19:57:17 < mawk> try with just SEGGER for instance 2022-07-12T19:57:20 < mawk> see what happens 2022-07-12T19:57:33 < Mangy_Dog> https://cdn.discordapp.com/attachments/695271473308237985/996460302692524072/unknown.png 2022-07-12T19:57:53 < Mangy_Dog> FOUND 2022-07-12T19:58:20 < Mangy_Dog> and its printing out 2022-07-12T19:58:22 < Mangy_Dog> WOOHOOO 2022-07-12T19:58:28 * Mangy_Dog hugs mawk tightly 2022-07-12T19:58:34 < Mangy_Dog> thank you for putting up with me 2022-07-12T19:59:10 < mawk> nice 2022-07-12T19:59:13 < mawk> what worked? 2022-07-12T19:59:43 < mawk> you might want to modify the linker script to have the control block in a better place so it's found easily 2022-07-12T19:59:48 < mawk> like at the start of ram 2022-07-12T20:00:08 < mawk> else if you print "SEGGER" elsewhere in your application it might break 2022-07-12T20:00:44 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-12T20:01:40 < mawk> I think the control block says "SEGGER RTT" 2022-07-12T20:01:44 < mawk> without the underscores 2022-07-12T20:01:53 < mawk> I tried with a hex to ascii converter 2022-07-12T20:02:03 < mawk> so if you search for that you should be good 2022-07-12T20:11:25 < Mangy_Dog> in the block it appears to be segger with understore 2022-07-12T20:11:27 < Mangy_Dog> score 2022-07-12T20:11:37 < Mangy_Dog> but yeah seems to work and i can see my test print outs showing up 2022-07-12T20:11:44 < Mangy_Dog> as for linker script 2022-07-12T20:11:58 < mawk> 0x20 is a space not underscore 2022-07-12T20:12:02 < Mangy_Dog> thats automaticly built in eclipse and i have no idea how to do it myself 2022-07-12T20:12:23 < Mangy_Dog> no i mean _SEGGER_RTT not SEGGER RTT 2022-07-12T20:12:30 < Mangy_Dog> at least thats how it appears to me 2022-07-12T20:12:40 < mawk> if it were that it would've been found first try 2022-07-12T20:13:00 < mawk> in the screen you gave with the hexadecimal data I see "SEGGER RTT", with spaces 2022-07-12T20:13:05 < mawk> two lines above the highlighted block 2022-07-12T20:13:54 < Mangy_Dog> its all in hex 2022-07-12T20:13:56 < mawk> it says 53454747455220525454 2022-07-12T20:13:58 < mawk> yeah 2022-07-12T20:14:01 < mawk> and I can read hex 2022-07-12T20:14:04 < Mangy_Dog> heh 2022-07-12T20:14:07 < mawk> this means "SEGGER RTT" 2022-07-12T20:14:12 < Mangy_Dog> ok 2022-07-12T20:14:13 < mawk> 20 in hex is a space 2022-07-12T20:14:31 < Mangy_Dog> maybe nm just puts in a _ where its a space 2022-07-12T20:14:50 < mawk> well with nm you see the symbol name 2022-07-12T20:15:03 < mawk> not the contents of memory 2022-07-12T20:15:11 < Mangy_Dog> nods 2022-07-12T20:15:28 < mawk> the symbol name is _SEGGER_RTT but apparently the value at that symbol's address is "SEGGER RTT" 2022-07-12T20:16:28 < mawk> if you put back address at 0x20000000 but change 2048 for 0x5000 I think it should find it in any case 2022-07-12T20:16:40 < mawk> it might take some time to find it but nothing too long 2022-07-12T20:17:04 < mawk> it will scan the first 20 KiB for the block 2022-07-12T20:17:10 < Mangy_Dog> ahh was 2048 the search space?? 2022-07-12T20:17:14 < mawk> yes 2022-07-12T20:17:27 < Mangy_Dog> i guessed as much but wasnt sure 2022-07-12T21:26:11 < Mangy_Dog> again thanks mawk, i now finally know that my framed serial library is working exsactly as it should be and isnt the cause of the commands its sending not triggering reliably 2022-07-12T21:26:23 < Mangy_Dog> still no idea why theyre not triggering though 2022-07-12T21:39:34 -!- kraiskil [~kraiskil@45.9.249.35] has joined ##stm32 2022-07-12T21:46:35 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-12T21:47:44 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-12T21:47:53 -!- Kerr [~quassel@2601:602:ce80:df10::8665] has joined ##stm32 2022-07-12T21:51:17 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-12T21:51:19 < mawk> nice 2022-07-12T21:51:31 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-12T21:52:41 < Mangy_Dog> hmm well... my framed serial library might NOt bad working quite right... Its handling the data correctly and returning ACKs correctly... But it might not be signeling that a frame is ready correctly... Or the way the frame ready is checked might be wrong 2022-07-12T21:55:15 < Mangy_Dog> oh i think i found the problem 2022-07-12T21:59:09 < Mangy_Dog> omgomgomgomgogmogmgomgomgomgogmgomgomgom 2022-07-12T21:59:11 < Mangy_Dog> i think i fixed it 2022-07-12T22:02:19 -!- kraiskil [~kraiskil@45.9.249.35] has quit [Ping timeout: 260 seconds] 2022-07-12T22:07:31 < Mangy_Dog> hmmmm 2022-07-12T22:07:33 < Mangy_Dog> still some issues 2022-07-12T22:07:44 -!- rajkosto [~rajkosto@178.220.156.116] has joined ##stm32 2022-07-12T22:13:36 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-12T22:14:04 -!- Kerr [~quassel@2601:602:ce80:df10::8665] has quit [Quit: Bye.] 2022-07-12T22:16:51 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-12T22:21:12 -!- kaki [~kaki@37-136-121-247.rev.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-12T22:42:06 -!- dogukan [~dogukan@user/dogukan] has quit [Remote host closed the connection] 2022-07-12T22:46:40 -!- Xogium [~Xogium@LuminaSensum/founder/Xogium] has left ##stm32 [leaving channel] 2022-07-12T22:53:38 -!- Xogium [~Xogium@LuminaSensum/founder/Xogium] has joined ##stm32 2022-07-12T23:13:44 < Mangy_Dog> FIXED IT 2022-07-12T23:13:45 < Mangy_Dog> ! 2022-07-12T23:19:45 < Steffanx> World peace? No more hunger? 2022-07-12T23:20:01 < Mangy_Dog> na something far more important 2022-07-12T23:20:08 < Mangy_Dog> my framed serial library 2022-07-12T23:20:15 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-12T23:20:22 < kaki> evenings 2022-07-12T23:26:04 < Steffanx> Gooday sir kaki 2022-07-12T23:26:20 < kaki> morgon 2022-07-12T23:26:47 < Steffanx> Miten päiväsi sujui? 2022-07-12T23:29:41 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-12T23:29:59 < Steffanx> Lol 2022-07-12T23:31:16 -!- Netsplit *.net <-> *.split quits: drkow, yukam, Mangy_Dog, boB_K7IQ 2022-07-12T23:33:54 -!- Netsplit over, joins: yukam 2022-07-12T23:34:53 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-12T23:34:53 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-12T23:34:53 -!- drkow [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-12T23:35:32 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-12T23:35:37 < kaki> chilling 2022-07-12T23:38:09 < catphish> morning 2022-07-12T23:38:18 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-12T23:40:18 < kaki> got new grass wagon thing from dealer 2022-07-12T23:41:16 < kaki> basically thats all¨for today then went to moped ride 2022-07-12T23:44:18 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 244 seconds] 2022-07-12T23:48:59 -!- Posterdati [~posterdat@user/Posterdati] has quit [Quit: KVIrc 5.0.0 Aria http://www.kvirc.net/] 2022-07-12T23:50:19 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-12T23:55:48 < kaki> catphish: box now --- Day changed ke heinä 13 2022 2022-07-13T00:04:22 < catphish> kaki: most of car is finish now, frontend is reassembled, i'm just waiting for driveshafts to be fabricated, first one was done today, second one supposedly being done tomorrow 2022-07-13T00:05:01 < catphish> so if all goes to plan thursday i will put car on lift, install driveshafts and brakes, and then it can be drive 2022-07-13T00:05:16 < zyp> nice 2022-07-13T00:05:25 < kaki> blew headgasket from old deere yesterday 2022-07-13T00:05:32 < kaki> it pee'd itself 2022-07-13T00:05:59 < kaki> anyways: 1month line to head resurface 2022-07-13T00:06:25 < BrainDamage> my 2nd degree cousin that works as helicopter mechanic says: the problem is not when they leak oil, that means you still have pressure, it's when they don't leak that you worry 2022-07-13T00:06:25 < qyx> continuing project review 2022-07-13T00:06:34 < qyx> zyp: hows your cnc plasma cutter 2022-07-13T00:06:35 < catphish> lol 2022-07-13T00:06:53 < catphish> one fear i have with my car is i don't know if i have oil pressure 2022-07-13T00:07:09 < catphish> no way to tell until it ceases :( 2022-07-13T00:07:37 < BrainDamage> for the transmission? 2022-07-13T00:08:01 < catphish> yes 2022-07-13T00:08:14 < zyp> qyx, I picked up a new 3d-printer last week so I can print parts for the plasma cutter 2022-07-13T00:08:17 < zyp> https://bin.jvnv.net/file/by5sY.mp4 2022-07-13T00:08:29 < catphish> well, i think maybe the transmission will probably kick up its own oil 2022-07-13T00:08:44 < catphish> but there's an oil pump, i'm not sure what it does, maybe cool the motor 2022-07-13T00:08:56 < catphish> or maybe just ensure oil is distributed to all gears 2022-07-13T00:09:06 < kaki> and bearings 2022-07-13T00:09:12 < zyp> missed a part for the extruder, got a friend to print me one today, so it's almost ready to start printing now 2022-07-13T00:09:19 < kaki> it will have feed to bearings 2022-07-13T00:09:31 < kaki> gears are probs splash lubrication 2022-07-13T00:09:40 < kaki> as I didn't see nozzles 2022-07-13T00:09:41 < catphish> anyway, it makes a weirs squirting noise, so i think it's working 2022-07-13T00:09:44 < catphish> *weird 2022-07-13T00:09:45 < BrainDamage> you might get away with some temp sensors distributed along the oil path 2022-07-13T00:09:57 < BrainDamage> if the temp profile changes, then you know to inspect it 2022-07-13T00:09:59 < kaki> he has at least for motor 2022-07-13T00:10:07 < catphish> i have motor temperature sensor, so i'll know if there's a problem there at least 2022-07-13T00:10:08 < kaki> that is oil cooled 2022-07-13T00:10:30 < catphish> "inspect it" is nontrivial 2022-07-13T00:10:43 < BrainDamage> better than burning on the road 2022-07-13T00:11:34 < Steffanx> Not a bad idea to bring a fire extinguisher anyway 😉 2022-07-13T00:12:08 < catphish> if my car catches fire i'm running the fuck away 2022-07-13T00:12:18 < BrainDamage> if the thing catches fire ... exactly 2022-07-13T00:12:40 < BrainDamage> the best thing for you is a comfortable pair of running shoes 2022-07-13T00:12:41 < catphish> 20kwh of lithium batteries, i'm not firefighting that 2022-07-13T00:13:19 < BrainDamage> even the firefighters will have a field day with it 2022-07-13T00:14:35 < Steffanx> Come on catphish. I expect you to care more about your baby. 2022-07-13T00:14:45 < catphish> if it's on fire, it's dead 2022-07-13T00:15:03 < catphish> i will turn off the contactors and run 2022-07-13T00:15:21 < BrainDamage> maybe an emergency box dump 2022-07-13T00:15:52 < Steffanx> This ejection seat wasn't such bad idea after all. 2022-07-13T00:15:56 < catphish> lol 2022-07-13T00:16:00 < Steffanx> For batteries. 2022-07-13T00:17:48 < zyp> not sure about your creation, but regular EVs can burn without it spreading to the battery 2022-07-13T00:17:51 < qyx> mount a large water tank above the battery box 2022-07-13T00:18:38 < kaki> ah water 2022-07-13T00:18:52 < kaki> I wonder what it does to litium 2022-07-13T00:19:04 < qyx> it works 2022-07-13T00:19:18 < BrainDamage> lithium strips the oxygen from the water, and leaves hydrogen 2022-07-13T00:19:19 < qyx> there is no lithium in li-ion, is there? 2022-07-13T00:19:39 < BrainDamage> while it does it, it heats up 2022-07-13T00:19:48 < zyp> https://risefr.no/media/publikasjoner/upload/2020/rise-report-2020-91-evaluation-of-fire-in-stavanger-airport-cark-park-7-january-2 2022-07-13T00:19:48 < BrainDamage> so it produces hydrogen, and lits it up 2022-07-13T00:19:53 < zyp> > Observations during the fire indicate that electric vehicles did not contribute to the fire development beyond what is expected from conventional vehicles. 2022-07-13T00:20:00 < kaki> barelly 2022-07-13T00:20:09 < qyx> the recommendation is to use water for Li chemistries except for primary, which actually contains lithium! 2022-07-13T00:20:23 < qyx> -! 2022-07-13T00:20:58 < BrainDamage> yes, but that's just because petrol car fires as a mess to deal with 2022-07-13T00:21:30 < zyp> > According to the RBR’s evaluation report, no mentionable differences in intensity or duration of fire in the car park had been observed, and as of March 2020 no information had emerged «suggesting that thermal runaway occurred in electric vehicles» in the fire at Sola. 2022-07-13T00:29:07 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-13T00:30:02 < catphish> batteries are generally in fireproof boxes 2022-07-13T00:30:44 < catphish> if my car caught fire, hopefully just the fibreglass would burn and that would be it 2022-07-13T00:31:32 < BrainDamage> how about a mechanism that dumps styrofoam into the oil reservoir? 2022-07-13T00:36:45 < qyx> why the hell is another web saying "never use water for li-ion" 2022-07-13T00:36:53 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-13T00:40:18 < qyx> aha I am not the one confused 2022-07-13T00:40:21 < qyx> https://electronics.stackexchange.com/questions/290443/water-on-li-ion-battery-fire-good-idea-bad-idea-or-neutral 2022-07-13T00:40:38 < qyx> I thing we can believe oregon state university 2022-07-13T00:45:17 < BrainDamage> AFAIK, if you use water, you douse with enough that it drives the temp low, but it never stops smoldering that way 2022-07-13T00:51:24 < mawk> what can you do to make it stop reacting anyway 2022-07-13T01:03:20 < catphish> BrainDamage: "styrofoam into the oil reservoir" are we trying to make the fire more dangerous? 2022-07-13T01:03:53 < catphish> why have regular oil fire when you can have napalm :) 2022-07-13T01:09:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-13T01:09:55 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Client Quit] 2022-07-13T01:15:15 < BrainDamage> if you're going to have your day ruined, might as well make sure other people will share the same fate 2022-07-13T01:16:48 < englishman> this is why instead of a motorcycle airbag i wear a suicide vest and wrote on the back IF YOU HIT ME YOU DIE TOO 2022-07-13T01:32:45 < catphish> makes sense 2022-07-13T01:38:20 -!- specing [~specing@user/specing] has quit [Ping timeout: 268 seconds] 2022-07-13T01:41:36 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-13T02:18:46 -!- rajkosto 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-!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-13T11:01:46 -!- yukam [~yukam@user/yukam] has joined ##stm32 2022-07-13T12:08:58 -!- catphish [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-13T12:09:20 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-13T13:01:10 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-13T13:13:23 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-13T13:16:16 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-13T13:17:00 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-13T13:20:06 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-13T13:26:11 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has quit [Remote host closed the connection] 2022-07-13T13:26:19 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-13T13:26:35 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has joined ##stm32 2022-07-13T13:38:25 -!- specing [~specing@user/specing] has quit [Ping timeout: 272 seconds] 2022-07-13T13:38:33 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-13T13:40:10 -!- specing_ is now known as specing 2022-07-13T14:34:47 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-13T14:36:49 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-13T14:43:51 < englishman> https://dogbolt.org/ 2022-07-13T14:48:43 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-13T14:48:43 < Laurenceb> suppp 2022-07-13T14:48:44 < Laurenceb> suppp 2022-07-13T14:51:17 < Steffanx> Tha sky 2022-07-13T15:04:37 < Laurenceb> soyboy central here 2022-07-13T15:04:46 < Laurenceb> soyperhero movie discussion 2022-07-13T15:04:54 < Laurenceb> consuming the product 2022-07-13T15:08:54 < Laurenceb> hyperboss wants his codez finished by this afternoon 2022-07-13T15:08:57 < Laurenceb> sheeettttt 2022-07-13T15:16:31 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Quit: Bridge terminating on SIGTERM] 2022-07-13T15:18:45 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-13T15:34:53 < specing> Laurenceb: haha just submit your resignation haha 2022-07-13T15:34:59 < specing> imagine the look on their face 2022-07-13T15:35:25 < Laurenceb> sheeeeet iptables is still failing 2022-07-13T15:38:47 < Laurenceb> sudo iptables -t mangle -A OUTPUT -s 127.0.0.0/8 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-13T15:38:53 < Laurenceb> cant use redirect on output 2022-07-13T15:40:35 < mawk> what are you trying to do 2022-07-13T15:40:38 < mawk> with that redirect 2022-07-13T15:40:43 < mawk> and again, why are you using mangle? 2022-07-13T15:40:52 < mawk> these kind of rules belong in nat, not mangle 2022-07-13T15:41:24 < mawk> do you know which ip it's for, Laurenceb ? 2022-07-13T15:41:32 < mawk> you could set up a trap to get the packets back 2022-07-13T15:41:40 < mawk> then you can catch it in PREROUTING 2022-07-13T15:42:05 < mawk> in OUTPUT you can set a mark on the packet, then using policy routing you make the packet loop back to the machine 2022-07-13T15:42:12 < mawk> and then you can have it in PREROUTING 2022-07-13T15:42:15 < mawk> I did that before 2022-07-13T15:42:40 < mawk> set a mark, then with ip rule/ip route you can make the packet loop back to you 2022-07-13T15:42:55 < mawk> only if the mark is matching 2022-07-13T15:43:18 < mawk> ok Laurenceb ? 2022-07-13T15:50:44 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-13T15:54:52 < Laurenceb> hmm 2022-07-13T15:55:07 < Laurenceb> I have packets transmitted on localhost by local code 2022-07-13T15:55:19 < Laurenceb> I want to swap them to another port if the first byte matches a rule 2022-07-13T15:55:28 < catphish_> we know! 2022-07-13T15:55:43 < Laurenceb> I cant edit the code - I have the sores but cant recompile it because its safety critical 2022-07-13T15:55:57 < mawk> on localhost, for localhost Laurenceb??? 2022-07-13T15:56:06 < mawk> you don't have to edit the code 2022-07-13T15:56:07 < catphish_> i thought your REDIRECT already worked 2022-07-13T15:56:24 < Laurenceb> I only tested it with TRAP 2022-07-13T15:56:25 < mawk> and that's pretty complex shit for swapping a port 2022-07-13T15:56:26 < Laurenceb> derp 2022-07-13T15:56:36 < mawk> you're in the wrong table 2022-07-13T15:56:41 < mawk> it's nat, not mangle 2022-07-13T15:56:46 < mawk> and anyway answer my questions 2022-07-13T15:57:17 < Laurenceb> ip destination is 127.255.255.255 2022-07-13T15:57:25 < mawk> so it's for localhost 2022-07-13T15:57:28 < Laurenceb> yeah 2022-07-13T15:57:31 < catphish_> Laurenceb: is it not working then? can you paste your rule? 2022-07-13T15:57:37 < catphish_> maybe i missed the context 2022-07-13T15:57:39 < Laurenceb> I pasted it earlier 2022-07-13T15:57:47 < mawk> you need to make the packets route in order to modify the port 2022-07-13T15:57:56 < mawk> and to make the packet route you can you policy routing 2022-07-13T15:58:04 < catphish> sudo iptables -t mangle -A OUTPUT -s 127.0.0.0/8 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-13T15:58:08 < mawk> I'm not on my computer right now, wait for tonight 2022-07-13T15:58:12 < Laurenceb> ok 2022-07-13T15:58:15 < mawk> or figure it out with ip rule and ip route 2022-07-13T15:58:26 < mawk> basically you need to trick the kernel into routing the packet 2022-07-13T15:58:29 < Laurenceb> ok 2022-07-13T15:58:36 < catphish_> Laurenceb: that rule looks nothing like the one we previously agreed would work 2022-07-13T15:58:39 < mawk> because otherwise localhost goes into a special circuit and you can't modify it 2022-07-13T15:58:48 < Laurenceb> ok 2022-07-13T15:58:49 < mawk> or at least can't modify a lot of things 2022-07-13T15:59:17 < catphish_> why not: iptables -t nat -A INPUT -s 127.0.0.0/8 -d 127.255.255.255 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-13T15:59:46 < mawk> I'm not sure locally-generated packets go in INPUT 2022-07-13T15:59:52 < catphish_> they certainly do 2022-07-13T15:59:58 < Laurenceb> I can block them using INPUT 2022-07-13T16:00:04 < mawk> in table nat, Laurenceb 2022-07-13T16:00:10 < catphish_> if you iptables -I INPUT -j DROP you will totally break your computer by blocking all localhost 2022-07-13T16:00:11 < mawk> you can't swap tables like you want 2022-07-13T16:00:52 < catphish_> also, i think i mean PREROUTING, not INPUT 2022-07-13T16:01:07 < catphish_> iptables -t nat -A PREROUTING -s 127.0.0.0/8 -d 127.255.255.255 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-13T16:01:12 < Laurenceb> iptables v1.8.7 (nf_tables): RULE_APPEND failed (Invalid argument): rule in chain INPUT 2022-07-13T16:01:22 < catphish_> ^ 2022-07-13T16:01:22 < mawk> I'm even less sure it comes in PREROUTING 2022-07-13T16:01:27 < mawk> look in dmesg Laurenceb 2022-07-13T16:01:28 < catphish_> just try it :) 2022-07-13T16:01:29 < mawk> for full error 2022-07-13T16:01:44 < catphish_> error is because nat isn't valid in INPUT afaik 2022-07-13T16:01:50 < Laurenceb> [97117.555180] x_tables: ip_tables: REDIRECT target: used from hooks INPUT, but only usable from PREROUTING/OUTPUT 2022-07-13T16:01:55 < catphish_> ^ 2022-07-13T16:02:09 < Laurenceb> I tried PREROUTING yesterday, localhost doesnt go through it 2022-07-13T16:02:17 < mawk> because it's not routing 2022-07-13T16:02:24 < mawk> try OUTPUT 2022-07-13T16:02:26 < mawk> maybe 2022-07-13T16:02:32 < Jookia> check out https://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg 2022-07-13T16:02:43 < mawk> but anyway maybe force routing of localhost packets and then it's good 2022-07-13T16:02:43 < catphish_> https://serverfault.com/questions/211536/iptables-port-redirect-not-working-for-localhost 2022-07-13T16:02:56 < catphish_> someone recommends: iptables -t nat -I OUTPUT -p tcp -o lo --dport 443 -j REDIRECT --to-ports 8080 2022-07-13T16:03:03 < mawk> ah yeah OUTPUT works they say 2022-07-13T16:03:17 < mawk> that's what happens when you try stuff randomly instead of reading docs Laurenceb 2022-07-13T16:03:31 < catphish_> so try: iptables -t nat -A OUTPUT -d 127.255.255.255 -p udp --dport $can_port -m u32 --u32 "28 & 0x1F000000 = 0x02000000:0x04000000" -j REDIRECT --to-port $otmr_port 2022-07-13T16:03:31 < Laurenceb> it added it to OUTPUT but isnt matching any packets 2022-07-13T16:03:33 < mawk> even just "man iptables" describes very well the tables and chains 2022-07-13T16:03:54 < catphish_> you may need to flush your conntrack table 2022-07-13T16:03:56 < mawk> in table nat, Laurenceb ?? 2022-07-13T16:04:04 < mawk> sudo conntrack -F 2022-07-13T16:04:06 < mawk> iirc 2022-07-13T16:04:07 < catphish_> if you have conntrack installed, run conntrack -F 2022-07-13T16:04:07 < Laurenceb> yes 2022-07-13T16:04:08 < Laurenceb> ok 2022-07-13T16:04:47 < catphish_> also, it might be necessary to NOTRACK all packets in this flow 2022-07-13T16:05:09 < catphish_> otherwise it'll conntrack the first packet and not inspect subsequent ones, which will get really messy 2022-07-13T16:05:20 < Laurenceb> tried conntrack but still not matching any packets 2022-07-13T16:05:25 < mawk> why not inspect the next ones? 2022-07-13T16:05:33 < Laurenceb> the source sents MSG_DONTROUTE on the socket 2022-07-13T16:05:34 < mawk> ah then don't got the header 2022-07-13T16:05:35 < mawk> yeah 2022-07-13T16:05:45 < Laurenceb> *sets 2022-07-13T16:05:51 < catphish_> NAT table only gets used once per flow i think 2022-07-13T16:05:52 < mawk> indeed so it would need to set a conntrack mark on the conntrack session 2022-07-13T16:05:58 < mawk> and redirect all next packets? 2022-07-13T16:06:02 < catphish_> yes 2022-07-13T16:06:21 < catphish_> or maybe redirect none (if the first one wan't) 2022-07-13T16:06:23 < catphish_> i'm not certain 2022-07-13T16:06:25 < mawk> yeah 2022-07-13T16:06:30 < mawk> depending on the mark 2022-07-13T16:06:34 < catphish_> it's rare to treat one packet in a flow with different NAT 2022-07-13T16:06:44 < catphish_> for this NOTRACK helps 2022-07-13T16:06:59 < mawk> but we want to be tracked, right? 2022-07-13T16:07:03 < Laurenceb> cant see any data on the second port 2022-07-13T16:07:07 < mawk> so that further packets go through the right port 2022-07-13T16:07:15 < mawk> but it's already kinda automatic if it's tcp 2022-07-13T16:07:18 < mawk> no? 2022-07-13T16:07:22 < catphish_> mawk: no, it's stateless, only the packet with the specific match should be redirected 2022-07-13T16:07:41 < mawk> ah 2022-07-13T16:08:02 < mawk> so set mark in mangle, and redirect all packets with the ctmark in nat 2022-07-13T16:08:07 < mawk> ctmark, and not nfmark 2022-07-13T16:08:10 < mawk> two different things 2022-07-13T16:08:19 < catphish_> you're overcomplicating it i think 2022-07-13T16:08:21 < catphish_> Laurenceb: add this: iptables -I OUTPUT -d 127.255.255.255 -p udp --dport $can_port -j NOTRACK 2022-07-13T16:08:32 < catphish_> this will prevent conntrack doing what conntrack does 2022-07-13T16:08:44 < mawk> but what happens to subsequent packets then 2022-07-13T16:08:44 < catphish_> then the redirect should work on a per-packet basis 2022-07-13T16:08:57 < mawk> but not all packets contain the header, only the first 2022-07-13T16:09:00 < mawk> right? 2022-07-13T16:09:06 < catphish_> mawk: subsequent packets are inspected on their own merits 2022-07-13T16:09:15 < catphish_> all packets will contain the header 2022-07-13T16:09:19 < mawk> each packet has the header? 2022-07-13T16:09:21 < Laurenceb> ok added it but its not matching any packets 2022-07-13T16:09:23 < catphish_> it's CAN, max packet size id 8 bytes! 2022-07-13T16:09:28 < mawk> ah 2022-07-13T16:09:33 < mawk> then all good 2022-07-13T16:09:51 < catphish_> Laurenceb: can you paste your iptables -S so i can check it over? 2022-07-13T16:11:05 < Laurenceb> wait no it failed 2022-07-13T16:11:18 < Laurenceb>  sudo iptables -I OUTPUT -d 127.255.255.255 -p udp --dport $can_port -j NOTRACK 2022-07-13T16:11:19 < Laurenceb> iptables v1.8.7 (nf_tables): RULE_INSERT failed (Invalid argument): rule in chain OUTPUT 2022-07-13T16:11:43 < mawk> it needs to be in nat no? 2022-07-13T16:11:59 < mawk> inserted before the other rule 2022-07-13T16:12:21 < Laurenceb> inserting it into nat also fails 2022-07-13T16:12:31 < Laurenceb> iptables v1.8.7 (nf_tables): RULE_INSERT failed (Invalid argument): rule in chain OUTPUT 2022-07-13T16:12:33 < mawk> look in dmesg 2022-07-13T16:12:35 < mawk> what does it say 2022-07-13T16:12:43 < mawk> maybe it's in raw or mangle 2022-07-13T16:12:45 < mawk> but just look 2022-07-13T16:12:51 < Laurenceb> 97775.956297] x_tables: ip_tables: CT target: only valid in raw table, not nat 2022-07-13T16:13:03 < mawk> then you know 2022-07-13T16:13:05 < mawk> raw table 2022-07-13T16:13:12 < catphish_> yes, should have been in "raw" 2022-07-13T16:13:22 < catphish_> Laurenceb: add this: iptables -t raw -I OUTPUT -d 127.255.255.255 -p udp --dport $can_port -j NOTRACK 2022-07-13T16:13:44 < Laurenceb> I see matching packets 2022-07-13T16:13:45 < catphish_> and always run conntrack -F after this to clear out any existing tracking states 2022-07-13T16:14:32 < Laurenceb> but no matching packets in nat 2022-07-13T16:14:34 < Laurenceb> ok 2022-07-13T16:14:38 < catphish_> so here's what *should* happen, each individual packet should hit the notrack rule which tell iptables not to store anything in the connection tracking table, and handle all subsequent packets on their own merits 2022-07-13T16:14:44 < catphish_> then it should hit the nat redirect rule 2022-07-13T16:14:51 < catphish_> Laurenceb: can you paste the full rules? 2022-07-13T16:15:37 < Laurenceb> http://pastie.org/p/5FlnHtB8X4ZMM7LWv43N15 2022-07-13T16:16:01 < catphish_> no 2022-07-13T16:16:06 < catphish_> not like that 2022-07-13T16:16:10 < catphish_> like -S 2022-07-13T16:16:40 < catphish_> actually, not even like -S 2022-07-13T16:16:47 < catphish_> iptables-save 2022-07-13T16:16:52 < catphish_> this outputs EVERYTHING 2022-07-13T16:17:31 < catphish_> iptables-save goes through each tables and runs iptables -S on it, so you get complete output of all rules 2022-07-13T16:17:36 < Laurenceb> http://pastie.org/p/3hm3UwroTsXECywvUv4hu0 2022-07-13T16:17:37 < catphish_> it's the only output i trust to actually show everything 2022-07-13T16:17:47 < catphish_> yeah that'll do 2022-07-13T16:18:23 < catphish_> so the notrack is working at least 2022-07-13T16:18:43 < mawk> needs to force routing of localhost 2022-07-13T16:18:49 < mawk> with ip rule/ip route 2022-07-13T16:19:01 < catphish_> i'm not sure about that 2022-07-13T16:19:26 < mawk> I needed to do it before, otherwise localhost packets just don't go through the chains I wanted 2022-07-13T16:19:34 < catphish_> interesting 2022-07-13T16:19:58 < mawk> so using a special route I forced localhost packets to be evaluated again as if they're being routed 2022-07-13T16:20:11 < mawk> I need to check how it was done I forgot 2022-07-13T16:20:14 < catphish_> one thing i'd do just to sanity check is: -A OUTPUT -d 127.0.0.0/8 -p udp -m udp --dport 1251 -j REDIRECT --to-ports 1252 2022-07-13T16:20:22 < catphish_> just to be sure the u32 isn't wrong 2022-07-13T16:20:27 < mawk> yeah 2022-07-13T16:20:48 < Laurenceb> same u32 works with DROP 2022-07-13T16:21:03 < catphish_> ok, try this: sysctl -w net.ipv4.conf.all.route_localnet=1 2022-07-13T16:21:07 < mawk> in filter table 2022-07-13T16:21:14 < mawk> so it's different 2022-07-13T16:21:21 < mawk> so it doesn't "work with DROP" 2022-07-13T16:21:26 < catphish_> i suspect mawk is correct 2022-07-13T16:21:28 < mawk> again, you can't change the table like you want 2022-07-13T16:21:44 < mawk> ah I didn't know about that sysctl 2022-07-13T16:21:52 < mawk> maybe I hacked it together where I didn't need to 2022-07-13T16:22:03 < Laurenceb> ok sysctl didnt fix it 2022-07-13T16:22:07 < catphish_> :( 2022-07-13T16:22:26 < mawk> see if it goes through PREROUTING now 2022-07-13T16:22:33 < mawk> just add a dummy rule with no target 2022-07-13T16:22:36 < catphish_> everything i find says with sysctl -w net.ipv4.conf.all.route_localnet=1, this should work: -A PREROUTING -p tcp -d 192.168.0.2 --dport 80 -j DNAT --to-destination 127.0.0.1:80 2022-07-13T16:22:42 < Laurenceb> first I'll try without the u32 2022-07-13T16:23:05 < mawk> -t nat -A PREROUTING -d 127.0.0.0/8 -m udp -p udp --dport 1251 2022-07-13T16:23:05 < catphish_> or maybe iptables -t nat -A OUTPUT -p tcp --dport 80 -d 192.168.0.2 -j DNAT --to-destination 127.0.0.1:80 2022-07-13T16:23:11 < catphish_> note people are using DNAT not REDIRECT 2022-07-13T16:23:15 < catphish_> not sure that matters 2022-07-13T16:23:21 < mawk> same thing 2022-07-13T16:23:33 < catphish_> well it's not the same thing at all, but both should work 2022-07-13T16:23:42 < mawk> yeah 2022-07-13T16:23:44 < catphish_> (same ultimate result) 2022-07-13T16:24:05 < mawk> I think it should go in PREROUTING 2022-07-13T16:24:05 < catphish_> one of those 4 combinations should work! 2022-07-13T16:24:08 < mawk> try it Laurenceb 2022-07-13T16:24:14 < mawk> and don't change the table 2022-07-13T16:24:26 < catphish_> either PREROUTING or OUTPUT and either REDIRECT or DNAT 2022-07-13T16:24:32 < catphish_> try all 4 :) 2022-07-13T16:24:38 < Laurenceb> ok without u32 also failed to match anything 2022-07-13T16:24:46 < catphish_> if none of that works, give up and cry 2022-07-13T16:24:52 < mawk> REDIRECT is same as DNAT but using the local ip implicitly I think 2022-07-13T16:24:59 < catphish_> i'm going to try to buy some CV grease 2022-07-13T16:25:08 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-13T16:34:22 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has quit [Remote host closed the connection] 2022-07-13T17:18:40 < Laurenceb> hmm it works if I write to /dev/udp/127.0.0.1/$can_port 2022-07-13T17:18:52 < Laurenceb> maybe MSG_DONTROUTE is breaking it 2022-07-13T17:20:26 < catphish_> well if it's set 2022-07-13T17:35:03 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-13T17:35:39 < qyx> wut can port 2022-07-13T17:37:02 < catphish_> i had no idea you could send udp packets by writing to a device file, my system sure doesn' thave that 2022-07-13T17:37:52 < qyx> is he sending udp packets or can frames 2022-07-13T17:38:04 < qyx> or is there a relay 2022-07-13T17:38:18 < qyx> knowing Laurenceb it is going to be some mess 2022-07-13T17:39:32 < catphish_> there's some kind of relay turning incoming CAN framed into UDP packets 2022-07-13T17:42:54 < Laurenceb> hmm I think I've fixed it 2022-07-13T17:43:01 < Laurenceb> MSG_DONTROUTE breaks it 2022-07-13T17:43:13 < Laurenceb> also I need to close and reopen the socket for the changes to take effect 2022-07-13T17:43:33 < Laurenceb> now hyperboss has stolen my hardware so I can fully test 2022-07-13T17:43:46 < Laurenceb> he wants to take it to france tomorrow lol 2022-07-13T17:43:54 < Laurenceb> shit isnt going to be ready 2022-07-13T18:00:21 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-13T18:34:16 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-13T18:35:01 < Laurenceb> hmm looks like I can login remotely to the kit once its installed 2022-07-13T18:35:15 < Laurenceb> I might have to write a sever that processed the packets instead 2022-07-13T18:35:22 < Laurenceb> doesnt look like iptables can do this 2022-07-13T18:35:29 < Laurenceb> maybe a hardware server 2022-07-13T18:39:04 < mawk> of course iptables can 2022-07-13T18:39:17 < mawk> you're just trying things at random, that rarely works 2022-07-13T18:39:30 < mawk> just go take a walk and when I have a computer I'll show you how I did it 2022-07-13T18:40:05 < Steffanx> Where is your computer mawk? 2022-07-13T18:40:38 < Steffanx> I don't think Laurenceb likes going on a walk. He might get stabbed 2022-07-13T18:41:43 < qyx> hey rpi pros 2022-07-13T18:41:59 < qyx> I know you all use them secretly 2022-07-13T18:42:17 < Laurenceb> lol Steffanx 2022-07-13T18:42:40 < Laurenceb> ok so I got as far as redirecting all packets on one localhost port to another port 2022-07-13T18:42:46 < Laurenceb> but u32 is now broken 2022-07-13T18:49:08 < qyx> oh I forgot to ask, my rs485 master using mbpoll doesn't work 2022-07-13T18:49:35 < qyx> now, what's the usual catch? 2022-07-13T18:49:41 < qyx> it says crc error 2022-07-13T18:49:45 < qyx> the slave responds 2022-07-13T18:50:03 < qyx> selecting nonexistent address results in a timeout 2022-07-13T18:50:14 < qyx> I adjusted stopbits to 2 2022-07-13T18:50:23 < qyx> didn't scope the thing yet 2022-07-13T18:50:37 < PaulFertser> stopbits should always be 1, 2 was used only on ancient current loop systems afaik. 2022-07-13T18:51:03 < qyx> I read somewhere you should set stop to 2 if the parity is none 2022-07-13T18:51:28 < PaulFertser> Modbus over serial says Even parity must be supported, and everything else is optional. 2022-07-13T18:51:45 < PaulFertser> But many modbus devices just go with 8n1 2022-07-13T18:51:59 < qyx> yeah the slave wants 8n1 115200 2022-07-13T18:52:18 < PaulFertser> How do you switch your rs485 master into receiving? 2022-07-13T18:54:38 < PaulFertser> qyx: also, how exactly do the bytes you receive look, and how many you get asking for e.g. a single register? 2022-07-13T18:55:36 < PaulFertser> Give it -v and show us. 2022-07-13T19:01:01 < PaulFertser> You do not need to scope it to see. 2022-07-13T19:04:04 < Xogium> hmm.. There any way to avoid a hardware watchdog from resetting my cpu while I'm trying to debug ? 2022-07-13T19:04:09 < Xogium> its frankly annoying 2022-07-13T19:04:10 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 260 seconds] 2022-07-13T19:04:15 < Xogium> stm32mp1, by the way 2022-07-13T19:05:01 < Laurenceb> shhheeeet 2022-07-13T19:05:05 < Laurenceb> I might know my issue 2022-07-13T19:05:15 < Laurenceb> iptable rule has to be created before socket is opened 2022-07-13T19:05:37 < qyx> PaulFertser: https://paste.jvnv.net/view/g2SEm 2022-07-13T19:06:02 < qyx> thats for 8n2, 8n1 is the same 2022-07-13T19:06:38 < qyx> it is also the same whatever register I ask for 2022-07-13T19:07:07 < Xogium> trying to debug a kernel hang with openocd and it just keeps being reset after 30 seconds ugh 2022-07-13T19:07:15 < PaulFertser> qyx: can you change slave's address? 2022-07-13T19:08:01 < PaulFertser> qyx: probably this modbus device is buggy and it just replies shit when asked for something it doesn't like. 2022-07-13T19:09:15 < PaulFertser> Xogium: probably just compile the kernel with watchdog driver disabled in .config? 2022-07-13T19:09:44 < Xogium> hmm 2022-07-13T19:09:49 < Xogium> I believe ATF enables it 2022-07-13T19:10:39 < Xogium> but.. yeah I guess openocd can't exactly prevent a watchdog from triggering, even when the hardware is halted 2022-07-13T19:11:49 < Xogium> what fun... I get earlycon console enabled, then... nothing, them bang reset 2022-07-13T19:12:03 < Xogium> why is migrating kernel such a pain all the time :S 2022-07-13T19:12:07 < qyx> PaulFertser: when I change the address, I get timeout 2022-07-13T19:12:15 < qyx> or when I disconnect the connector 2022-07-13T19:13:39 < Xogium> I sort of managed to go fast enough to see its somehow idling in start_kernel but I don't know why 2022-07-13T19:13:48 < PaulFertser> qyx: I mean can you actually reconfigure the slave to use another address 2022-07-13T19:15:27 < qyx> that's the question, I did walk the whole menu and I cannot see anything 2022-07-13T19:15:37 < qyx> oh maybe I am asking with a wrong function 2022-07-13T19:16:40 < PaulFertser> qyx: yes, probably you're asking for a register that doesn't exist. Wrong type of read or wrong address or wrong number of arguments. But the reply is silly either way, this device looks not compliant. 2022-07-13T19:17:23 < qyx> now it returns 0x01 repeated 2022-07-13T19:19:08 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-13T19:22:39 < PaulFertser> qyx: what's your rs485 interface? 2022-07-13T19:23:51 < qyx> rpi joyit rs485 shield 2022-07-13T19:25:40 < qyx> no schematics 2022-07-13T19:25:44 < qyx> apparently 2022-07-13T19:26:27 < PaulFertser> qyx: the first byte of the reply is correct. The others are just weird. 2022-07-13T19:27:24 < PaulFertser> Probably it's indeed time to scope the signals. 2022-07-13T19:49:09 < qyx> checking with a ft232rl now 2022-07-13T20:00:43 < qyx> ft232rl looks dead, not even enumerating 2022-07-13T20:07:02 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-13T20:07:42 -!- rajkosto [~rajkosto@178.220.110.24] has joined ##stm32 2022-07-13T20:29:11 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 255 seconds] 2022-07-13T20:35:05 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-13T20:44:06 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-13T20:44:08 < Laurenceb> sup 2022-07-13T20:47:13 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-13T20:49:37 < PaulFertser> qyx: you got an RS485 based on FT232RL? 2022-07-13T20:53:26 < Laurenceb> iptables still broekn :( 2022-07-13T20:53:28 < Laurenceb>    1 40 REDIRECT udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 u32 "0x1c&0x1f000000=0x2000000:0x4000000" redir ports 1252 2022-07-13T20:53:37 < Laurenceb> matches exactly one packet per reboot 2022-07-13T20:54:23 < \dev\ice> Laurenceb: what are you trying to do? 2022-07-13T21:09:25 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-13T21:10:09 < Laurenceb> I'll draw a diagram 2022-07-13T21:22:35 < Laurenceb> https://i.imgur.com/s1oCvdd.png 2022-07-13T21:22:56 < Laurenceb> translator converts it to UDP 2022-07-13T21:23:16 * PaulFertser expected dickbutt at https://i.imgur.com/s1oCvdd.png 2022-07-13T21:23:36 < Laurenceb> also the raw can data is encrypted and signed for 2022-07-13T21:23:45 < Laurenceb> so I cant open another socket 2022-07-13T21:24:13 < Laurenceb> and its safety critical so the can translator cant be modified / recompiled 2022-07-13T21:31:41 < PaulFertser> Laurenceb: what's "CAN translator", is it a h/w or s/w component? 2022-07-13T21:31:49 < Laurenceb> software 2022-07-13T21:32:02 < Laurenceb> everything inside "embedded lunix" is software 2022-07-13T21:32:15 < PaulFertser> Does it use regular Linux CAN sockets to receive the data? What does it use to send the data? 2022-07-13T21:32:36 < Laurenceb> yeah it uses CAN sockets to talk to the can bus 2022-07-13T21:32:51 < Laurenceb> but opening a second can socket is tricky due to the data protocol 2022-07-13T21:33:08 < Laurenceb> the translator converts to raw packets and sends them out over udp 2022-07-13T21:34:09 < PaulFertser> Laurenceb: and you want to have those UDP packets sent to two different destinations instead of one? 2022-07-13T21:34:16 < Laurenceb> no 2022-07-13T21:34:30 < Laurenceb> I just want to send those matching a rule to a different destination 2022-07-13T21:34:52 < Laurenceb> the problem is there is critical data on the main path, so anything in the middle has to be well proven 2022-07-13T21:35:12 < Laurenceb> they are happy to use iptables if it can be made to do this 2022-07-13T21:36:10 < PaulFertser> Laurenceb: what if you just duplicate the whole stream and filter in "new CAN translator"? 2022-07-13T21:36:12 < Laurenceb> lol they are installing hardware tomorrow so they are out of luck if it doesnt work lmao 2022-07-13T21:36:34 < Laurenceb> hmm yeah that would probably work, but add some cpu overhead 2022-07-13T21:37:11 < Laurenceb> its being installed on an LGV in France 2022-07-13T21:40:35 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-13T21:41:12 < PaulFertser> Laurenceb: so if you remove the u32 match altogether does the rule match all the packets or still just one? 2022-07-13T21:41:16 < Laurenceb> was supposed to be installed next week, but they are "running ahead of schedule" 2022-07-13T21:41:40 < Laurenceb> >ahead of schedule >hardware is installed but its dead 2022-07-13T21:41:51 < PaulFertser> Laurenceb: "iptables-save -c" with that " 1 40 REDIRECT " please 2022-07-13T21:41:52 < Laurenceb> hmm I'll try that 2022-07-13T21:44:22 < Laurenceb>  0 0 REDIRECT udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 redir ports 1252 2022-07-13T21:44:29 < Laurenceb> not matching anything 2022-07-13T21:44:44 < PaulFertser> Laurenceb: then it means you're testing it differently. 2022-07-13T21:44:49 < Laurenceb> tried killing and restarting the translator process and conntrack -F 2022-07-13T21:45:04 < PaulFertser> Laurenceb: what counters _do_ increase? 2022-07-13T21:45:32 < Laurenceb>  164K 5884K CT udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 NOTRACK 2022-07-13T21:45:45 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-13T21:45:55 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-13T21:46:09 < PaulFertser> Laurenceb: and just that? 2022-07-13T21:46:12 < Laurenceb>  164K 5884K CT udp -- any any 127.0.0.0/8 anywhere udp dpt:1251 NOTRACK 2022-07-13T21:46:14 < Laurenceb> yeah 2022-07-13T21:46:28 < Laurenceb> hmm there is something in the defualt table 2022-07-13T21:46:51 < Laurenceb>  527K 19M ACCEPT udp -- any any 127.0.0.0/8 anywhere udp dpts:1200:1299 2022-07-13T21:47:04 < Laurenceb> could that be overuling other stuff? 2022-07-13T21:47:14 < PaulFertser> Laurenceb: ACCEPT is terminating rule, so yes, if it comes before. 2022-07-13T21:47:21 < Laurenceb> ah ok 2022-07-13T21:47:27 < Laurenceb> this makes more sense, thanks 2022-07-13T21:47:47 < Laurenceb> but that was requested for security... 2022-07-13T21:48:07 < PaulFertser> Laurenceb: place your rule before that 2022-07-13T21:48:23 < Laurenceb> ok, but my rules are in the raw and nat tables 2022-07-13T21:48:27 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has quit [Quit: WeeChat 3.5] 2022-07-13T21:49:26 < Laurenceb> oh thats the INPUT chain, my rules are in the OUTPUT chain 2022-07-13T21:50:28 < PaulFertser> Laurenceb: does the packet counter in the output chain increase? 2022-07-13T21:50:36 < Laurenceb> no 2022-07-13T21:50:45 < Laurenceb> but my test OUTPUT rule does 2022-07-13T21:50:54 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-13T21:50:57 < Laurenceb>     5 161 REDIRECT udp -- any any 127.0.0.0/8 anywhere udp dpt:1253 u32 "0x1c&0xff000000=0x30000000:0x39000000" redir ports 1254 2022-07-13T21:51:18 < Laurenceb> ^that works correctly if I write to /dev/udp/127.0.0.1/1253 2022-07-13T21:51:34 < PaulFertser> Laurenceb: btw, are you looking at https://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg ? 2022-07-13T21:52:36 < Laurenceb> hmm useful link, thanks 2022-07-13T21:53:17 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-13T21:53:36 < PaulFertser> So probably your "CAN translator" doesn't actually send to 127.0.0.1/1253 2022-07-13T21:54:14 < Laurenceb> no it sends to 127.255.255.255/1251 2022-07-13T21:54:29 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-13T21:54:37 < Laurenceb> but I think /dev/udp/127.0.0.1/1253 opens and closes a socket 2022-07-13T21:54:46 < Laurenceb> the translator keeps its socket open 2022-07-13T21:54:53 < PaulFertser> Didn't you restart it for this test? 2022-07-13T21:55:05 < Laurenceb> yeah 2022-07-13T21:55:16 < Laurenceb> thats weird 2022-07-13T21:56:10 < PaulFertser> The diagram says "nat table is only consulted for NEW connections" 2022-07-13T21:57:25 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-13T21:57:48 < Laurenceb> hmm 2022-07-13T21:58:38 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-13T21:58:58 < PaulFertser> Laurenceb: you still didn't paste iptables-save 2022-07-13T21:59:09 < PaulFertser> -c 2022-07-13T22:00:01 < Laurenceb>  cat /proc/sys/net/netfilter/nf_conntrack_udp_timeout 2022-07-13T22:00:03 < Laurenceb> 30 2022-07-13T22:00:55 < Laurenceb> http://pastie.org/p/2V3ee6hjPRM89kijBgOS7D 2022-07-13T22:02:05 < PaulFertser> https://serverfault.com/questions/741104/iptables-redirect-works-only-for-first-packet 2022-07-13T22:02:51 < qyx> PaulFertser: yeah some old pcb, etched when I was a student 2022-07-13T22:03:15 < Laurenceb> yeah i saw that 2022-07-13T22:03:23 < PaulFertser> Laurenceb: you missed -c 2022-07-13T22:03:59 < PaulFertser> qyx: does the device have a way to change baud rate? 2022-07-13T22:04:31 < qyx> I will check in a couple of minutes I hope 2022-07-13T22:04:54 < qyx> I did run a cable to my workbench 2022-07-13T22:05:00 < qyx> I'll scope it 2022-07-13T22:05:01 < Laurenceb> http://pastie.org/p/5zF6lNo856qLxZf0zgYu04 2022-07-13T22:06:09 < PaulFertser> The "iptables with conntrack zones" answer from that link looks applicabel 2022-07-13T22:07:38 < Laurenceb> looks complex but ok I'll give it a go 2022-07-13T22:14:22 < qyx> https://bin.jvnv.net/file/1ZpmV 2022-07-13T22:14:30 < qyx> ok lol, 300 V of common mode 2022-07-13T22:14:45 < qyx> 260 V, sorry 2022-07-13T22:29:42 < Laurenceb> ok I added the four rules 2022-07-13T22:29:50 < Laurenceb> the two raw table rules match nicely 2022-07-13T22:30:00 < Laurenceb> but the nat table rules dont match anything 2022-07-13T22:31:03 < qyx> are you sure that packets going to the local interface go through the nat? 2022-07-13T22:31:20 < Laurenceb> nope I dont know what I'm doing lol 2022-07-13T22:32:23 < Laurenceb> wait wtf is working 2022-07-13T22:32:37 < qyx> idk I don't remember 2022-07-13T22:34:36 < Laurenceb> but only the new data is passing through 2022-07-13T22:35:56 < Laurenceb> what happens to stuff that doesnt match any rule when there is a rules table? 2022-07-13T22:40:19 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-13T22:40:37 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-13T22:40:50 < Laurenceb> looks like the raw table rules alone "fixed" it 2022-07-13T22:41:00 < Laurenceb> but only the new data goes through 2022-07-13T23:22:24 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-13T23:30:16 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-13T23:31:50 < catphish> kaki: box! https://i.imgur.com/QGJ2qR3.jpg 2022-07-13T23:31:58 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-13T23:32:00 < catphish> terrible photo, i'll take a better one myself tomorrow 2022-07-13T23:32:24 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-13T23:32:31 < kaki> did they powder weld it? 2022-07-13T23:32:39 < catphish> it's not welded yet 2022-07-13T23:32:57 < catphish> just press fitted, at the end pointed away from the camera so you can't see the join 2022-07-13T23:33:38 < kaki> as it has CV joints it doesn't matter that much how you weld it 2022-07-13T23:34:04 < kaki> but for things that cannot be warped they use powder welding 2022-07-13T23:34:11 < kaki> very interesting thing 2022-07-13T23:34:26 < kaki> it shoots flame and molten powder 2022-07-13T23:34:26 < catphish> well it wants to be as straight as possible, the press fit will help i hope 2022-07-13T23:34:30 < catphish> nice 2022-07-13T23:34:40 < catphish> press fit: https://i.imgur.com/gDncwdQ.jpg 2022-07-13T23:35:04 < catphish> i'll get some better photos when i weld it tomorrow 2022-07-13T23:41:53 < catphish> i ordered a GoPro today, gonna try to make some car videos 2022-07-13T23:41:59 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] 2022-07-13T23:53:33 < kaki> definitelly --- Day changed to heinä 14 2022 2022-07-14T00:20:39 -!- rajkosto [~rajkosto@178.220.110.24] has quit [Read error: Connection reset by peer] 2022-07-14T00:23:43 < kaki> https://www.youtube.com/watch?v=2Lxqzem01IU I wonder if this movie is good for steff 2022-07-14T00:25:28 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-14T00:25:41 < kaki> Steffanx: 2022-07-14T00:31:20 < Steffanx> Unlikely 2022-07-14T00:43:50 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-14T00:59:59 < qyx> hm my scope developed an offset 2022-07-14T01:01:26 < Laurenceb> maybe there is an issue as I'm trying to do "split routing" 2022-07-14T01:01:51 < Laurenceb> I can select traffic to route to the secondary port, but now all traffic on my original port is blocked 2022-07-14T01:05:04 < Laurenceb> oh sheet fixed it 2022-07-14T01:05:22 < Laurenceb> --zone-orig needs to be set for both types of traffic, and zone 0 is invalid 2022-07-14T01:17:25 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-14T01:23:39 -!- machinehum [~machinehu@2604:3d08:937f:cf00::1560] has joined ##stm32 2022-07-14T01:24:01 < machinehum> How does one feed the build/zephyr/.config back into app/prj.conf? 2022-07-14T01:24:55 < machinehum> Typically in Linux this is done with a savedefconfig, creating a something_defconfig 2022-07-14T01:29:37 < Laurenceb> http://pastie.org/p/4IddG55wsVjJdB4qroQMG6 2022-07-14T01:30:54 < machinehum> There's a "D" option on menuconfig that works pretty well 2022-07-14T01:38:31 -!- specing [~specing@user/specing] has quit [Ping timeout: 272 seconds] 2022-07-14T01:40:43 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-14T01:42:07 < Laurenceb> hmm seems to be working 2022-07-14T01:42:19 < Laurenceb> why isnt this documented anywhere... 2022-07-14T02:16:18 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 264 seconds] 2022-07-14T02:18:57 < Laurenceb> sheeeet I knew that was too easy 2022-07-14T02:19:21 < Laurenceb> now I restart the can->udp process and its partly broken 2022-07-14T02:28:08 < Laurenceb> maybe I need an inverse match 2022-07-14T03:04:15 < Laurenceb> aha found the issue 2022-07-14T03:04:24 < Laurenceb> iptables doesnt set socket mode to broadcast 2022-07-14T03:22:49 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-14T03:29:43 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-14T04:20:47 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 255 seconds] 2022-07-14T04:24:48 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-14T04:47:09 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 276 seconds] 2022-07-14T05:01:39 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-14T05:20:58 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-14T05:22:51 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-14T05:29:17 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-14T05:32:17 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-14T05:46:14 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-14T05:52:29 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-14T05:52:50 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-14T06:09:50 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-14T07:15:10 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-14T07:36:16 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-14T08:54:39 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-14T09:13:17 -!- Kamilion|ZNC [kamilion@copper.sllabs.com] has joined ##stm32 2022-07-14T09:13:52 -!- catphish__ [~charlie@user/catphish] has joined ##stm32 2022-07-14T09:14:31 -!- Netsplit *.net <-> *.split quits: tkoskine, catphish, aandrew, mannerism, Alexer, specing, Kamilion, catphish_ 2022-07-14T09:15:06 -!- Netsplit over, joins: catphish 2022-07-14T09:15:31 -!- Kamilion|ZNC is now known as Kamilion 2022-07-14T09:17:41 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-14T09:17:41 -!- Alexer [~alexer@alexer.net] has joined ##stm32 2022-07-14T09:17:41 -!- mannerism [~tic@107.191.100.185] has joined ##stm32 2022-07-14T09:17:41 -!- aandrew [foobar@gromit.mixdown.ca] has joined ##stm32 2022-07-14T09:17:41 -!- tkoskine [tkoskine@kapsi.fi] has joined ##stm32 2022-07-14T09:18:40 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has joined ##stm32 2022-07-14T09:48:59 < qyx> PaulFertser: the result is - rpi rs485 shield has DE/RE connected to something unknown, no schematic is available and it is not RTS. mbpoll nor that python minimal modbus lib dont't support toggling arbitrary GPIO to enable TX so I didn't even bother finding out where it is connected 2022-07-14T09:49:14 < qyx> another usb-rs485, ftdi based, as I said it doesn't enumerate anymore 2022-07-14T09:50:12 < qyx> another usb-rs485, exar based, cannot toggle DE without custom exar kernel module (it works as CDC-ACM but without DE) 2022-07-14T09:50:42 < qyx> and the random numbers I was getting were caused by DE toggling semirandomly on the rpi shield 2022-07-14T09:51:04 < qyx> so it was a very productive evening 2022-07-14T09:51:13 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-14T09:51:19 < qyx> I remember I had one more usb-rs485 converter but I could't find it 2022-07-14T09:53:01 < srk> I have some chinese ones, ch341 inside 2022-07-14T09:55:07 < srk> you could roll your own usb-rs485 with stm quickly if you have transciever. have some chinese ones as well 2022-07-14T09:55:25 < srk> can even mail you these two, I have like 10 of each 2022-07-14T09:55:52 < qyx> I even have some boards I can use but I was lazy 2022-07-14T09:55:56 < qyx> somehow I expected it should work 2022-07-14T09:57:12 < srk> more like 5 but I only need 1 for power meter 2022-07-14T09:58:13 < srk> https://www.aliexpress.com/item/32548472327.html https://www.aliexpress.com/item/32705625990.html 2022-07-14T10:06:42 < PaulFertser> qyx: so my first question "How do you switch your rs485 master into receiving" was spot on 2022-07-14T10:07:13 < srk> I expected HC-06 bluetooth module to just work with iOS, turns out I need ble4 module instead 2022-07-14T10:07:18 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 264 seconds] 2022-07-14T10:07:41 < PaulFertser> qyx: it's not like the shield is so complex you can't just use continuity meter to find which pin it's connected to. 2022-07-14T10:07:57 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-14T10:10:57 < qyx> I know but that wouldn't help me 2022-07-14T10:11:20 < qyx> I configured RTS correctly but that was not the right one 2022-07-14T10:13:58 < PaulFertser> qyx: it's probably easy enough to change libmodbus to use an arbitrary GPIO instead. 2022-07-14T10:15:18 < PaulFertser> I see https://wiki.seeedstudio.com/RS-485_Shield_for_Raspberry_Pi/ uses GPIO18 2022-07-14T10:18:59 < PaulFertser> btw, probably you can just solder a jumper from that GPIO18 to RTS? 2022-07-14T10:22:24 < PaulFertser> Yeah, I can't see why it shouldn't work and it should be trivial to short them. 2022-07-14T10:23:18 < PaulFertser> qyx: since libmodbus supports using RTS for that purpose without any tweaks 2022-07-14T10:30:48 -!- kraiskil [~kraiskil@45.9.249.35] has joined ##stm32 2022-07-14T10:35:50 -!- kraiskil [~kraiskil@45.9.249.35] has quit [Ping timeout: 240 seconds] 2022-07-14T10:51:31 -!- catphish__ [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-14T11:29:58 -!- toluene3 [~toluene@user/toulene] has joined ##stm32 2022-07-14T11:31:26 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 255 seconds] 2022-07-14T11:31:27 -!- toluene3 is now known as toluene 2022-07-14T11:55:33 < PaulFertser> I can't see how shorting GPIO18 to RTS can harm unless you are trying to actively drive GPIO18 which you shouldn't. 2022-07-14T12:07:57 -!- benishor [~benishor@scene.ro] has quit [Quit: tah tah!] 2022-07-14T12:10:23 -!- benishor [~benishor@scene.ro] has joined ##stm32 2022-07-14T12:55:03 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-14T13:28:57 -!- toluene0 [~toluene@user/toulene] has joined ##stm32 2022-07-14T13:30:24 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 244 seconds] 2022-07-14T13:30:24 -!- toluene0 is now known as toluene 2022-07-14T13:37:50 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-14T13:38:04 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-14T13:38:35 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-14T13:39:40 -!- specing_ is now known as specing 2022-07-14T13:55:06 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 276 seconds] 2022-07-14T13:57:02 < qyx> PaulFertser: works, the rs485 shield has DE connected to TX using some transistor-resistor logic 2022-07-14T13:57:12 < qyx> I desoldered it and connected directly to RTS 2022-07-14T13:57:20 < qyx> inverted RTS (in software) 2022-07-14T13:57:36 < qyx> and rebooted the slave (charging controller) 2022-07-14T13:57:38 < qyx> now it works 2022-07-14T13:58:26 < qyx> https://paste.jvnv.net/view/MIXZ6 2022-07-14T14:05:53 < PaulFertser> qyx: cool, congrats 2022-07-14T14:10:46 < qyx> thanks for your hints 2022-07-14T14:11:11 < qyx> changed the address to 2 and connected another charger, it works too 2022-07-14T14:11:17 < qyx> on first try this time 2022-07-14T14:23:31 < PaulFertser> :) 2022-07-14T14:47:16 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-14T15:21:34 < Steffanx> Early kaki. 2022-07-14T15:25:38 -!- qyx [~qyx@gw2.krtko.org] has quit [Read error: Connection reset by peer] 2022-07-14T15:43:47 -!- qyx [~qyx@gw2.krtko.org] has joined ##stm32 2022-07-14T15:43:54 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-14T15:43:56 < Laurenceb> http://pastie.org/p/7mNzee7lElEg29DtPjuNu0 2022-07-14T15:46:19 < Jookia> Laurenceb: protip: use iptables-save and iptables-restore to save and restore your rulesets 2022-07-14T15:46:44 < Laurenceb> pk 2022-07-14T15:46:47 < Laurenceb> *ok 2022-07-14T15:52:23 < kaki> Steffanx: very early 2022-07-14T15:52:48 < kaki> I have not waken up even yet 2022-07-14T15:53:23 < kaki> I have some free time but I don't feel like doing anything 2022-07-14T15:54:33 < Laurenceb> lol isnt it afternoon in Finland? 2022-07-14T15:55:54 < BrainDamage> it's a bit hard to say about afternoon when the sun rises at 1 am 2022-07-14T15:59:45 < PaulFertser> Laurenceb: do you mean big boss is happy with your iptables magic now? 2022-07-14T15:59:56 < Laurenceb> yes 2022-07-14T16:00:27 < Laurenceb> that seems ot work 2022-07-14T16:01:00 < PaulFertser> Laurenceb: why did you change 0x1c to 28? 2022-07-14T16:01:07 < Laurenceb> easier to read 2022-07-14T16:01:41 < PaulFertser> I wonder if you can just match on fw mark in your nat OUTPUT. 2022-07-14T16:02:02 < PaulFertser> Instead of re-scanning the packet. 2022-07-14T16:03:36 < mawk> I proposed that 2022-07-14T16:03:56 < mawk> you can set a nfmark on the packet and match again on it later 2022-07-14T16:04:02 < mawk> or match on it for routing with policy routing 2022-07-14T16:06:10 < Laurenceb> I had to use socat to convert the socket into broadcast mode 2022-07-14T16:06:43 < Laurenceb> iptables cant transmit in broadcast mode, so first listener gets all the data, others can connect but they never ready anything 2022-07-14T16:26:30 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has quit [Remote host closed the connection] 2022-07-14T16:40:28 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-14T16:53:38 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-14T16:54:11 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-14T17:17:45 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-14T17:17:53 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-14T17:42:50 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-14T17:49:32 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-14T17:57:12 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-14T17:59:57 < Laurenceb> http://pastie.org/p/6SFp9rJBjBgs96mKbp9BU5 2022-07-14T18:00:03 < Laurenceb> alternative 2022-07-14T18:10:58 < Laurenceb> oh sheet https://nitter.net/pic/media%2FFXemrrVXwAISyvV.jpg%3Fname%3Dsmall 2022-07-14T18:18:11 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-14T18:22:17 < Laurenceb> hmm I broke it again 2022-07-14T18:22:19 < Laurenceb> http://pastie.org/p/5VylwKv2m0nXxZduntV1Ta 2022-07-14T18:34:10 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-14T18:53:56 < Steffanx> Where are you fireworks mawk? 2022-07-14T18:57:11 < Steffanx> Your* 2022-07-14T19:15:09 -!- kraiskil [~kraiskil@mob-194-230-148-156.cgn.sunrise.net] has joined ##stm32 2022-07-14T19:43:45 < mawk> in the closet 2022-07-14T20:00:00 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-14T20:26:42 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-14T20:33:10 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-14T20:37:58 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-14T20:51:09 < Steffanx> No 14th of July for you mawk? 2022-07-14T20:52:24 -!- kraiskil [~kraiskil@mob-194-230-148-156.cgn.sunrise.net] has quit [Ping timeout: 276 seconds] 2022-07-14T21:05:21 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-14T21:06:02 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-14T21:20:28 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-14T21:24:28 -!- rajkosto [~rajkosto@77-46-205-229.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-14T21:26:17 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-14T21:26:21 < Laurenceb> whats wrong with this c code? 2022-07-14T21:26:22 < Laurenceb> if(otmr[r].this_mailbox==(*(uint32_t*)udp_buffer)&(~((uint32_t)descriptor.mailbox_mask))) 2022-07-14T21:26:49 < Laurenceb> I know condition is true - gdb'd the variables, but it doesnt evaluate as true 2022-07-14T21:27:33 < jpa-> Laurenceb: operator precedence of & 2022-07-14T21:27:46 < Laurenceb> aha ok 2022-07-14T21:27:52 < jpa-> that evaluates as otmr[r].this_mailbox==(*(uint32_t*)udp_buffer) & (~((uint32_t)descriptor.mailbox_mask)) 2022-07-14T21:30:24 < Laurenceb> ah I see now, thanks 2022-07-14T21:31:09 < Jookia> always good to use safety parens 2022-07-14T21:31:35 < jpa-> or enable compiler warnings 2022-07-14T21:32:46 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-14T21:39:17 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Quit: Bridge terminating on SIGTERM] 2022-07-14T21:57:45 < specing> Laurenceb: that code is eye cancer 2022-07-14T22:06:56 < qyx> re modbus, found https://github.com/owagner/modbus2mqtt 2022-07-14T22:07:08 < qyx> assuming karlp is using? 2022-07-14T22:16:54 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-14T22:19:19 -!- polprog is now known as p 2022-07-14T22:19:22 -!- p is now known as polprog 2022-07-14T22:54:55 < Steffanx> What is karlp not using? ;) 2022-07-14T22:59:42 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-14T23:06:17 < Mangy_Dog> https://twitter.com/MD_Builds/status/1547673559266238464 2022-07-14T23:20:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-14T23:26:03 -!- rajkosto [~rajkosto@77-46-205-229.dynamic.isp.telekom.rs] has quit [Quit: Leaving] 2022-07-14T23:29:09 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-14T23:29:29 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-14T23:36:58 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-14T23:46:36 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 276 seconds] 2022-07-14T23:49:52 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 --- Day changed pe heinä 15 2022 2022-07-15T00:00:15 < kaki> morgon 2022-07-15T00:00:55 < qyx> saw the modbus2mqtt sources, not convinced to use it 2022-07-15T00:01:17 < qyx> apart from the detail it doesn't work because it doesn't support RTS 2022-07-15T00:02:17 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-15T00:08:29 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 244 seconds] 2022-07-15T00:12:00 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-15T00:23:27 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 244 seconds] 2022-07-15T01:18:11 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-15T01:22:21 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 244 seconds] 2022-07-15T01:26:22 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-15T01:37:41 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-15T01:37:41 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-15T01:39:14 -!- specing_ is now known as specing 2022-07-15T01:44:15 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-15T01:52:50 * karlp uses "mlifter" :) 2022-07-15T01:53:08 < karlp> which is proprietary, "core business" sort of thing... 2022-07-15T01:53:26 < karlp> libmodbus+libmosquitto+libevent2+liblua 2022-07-15T01:53:58 < karlp> youcan use collectd to do modbus2mqtt as well, but it's convoluted and very inefficient. 2022-07-15T01:54:40 < karlp> if you want app level control of RTS you'r egoing to have a "good time" :) 2022-07-15T01:55:24 < karlp> if you can control both ends, so you can make sure your devices don't try and respond quickly, you might be able to get away with it, but you'll run into problems with third party gear pretty quickly... 2022-07-15T01:55:43 < karlp> (presuming you are using RTS as DE/_RE) 2022-07-15T01:55:44 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T01:56:03 < karlp> you reallllly want to get the kernel to handle that for you. 2022-07-15T01:56:10 < karlp> also, hello again everyone :) 2022-07-15T01:56:12 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-15T01:56:14 < aandrew> well you want the *hardware* to handle that 2022-07-15T01:56:19 < karlp> Im back from my holiday holiday. 2022-07-15T01:56:21 < aandrew> TSRE kind of thing 2022-07-15T01:56:47 < karlp> meh, at 19200 modbus, even 115200, if the kernelis handling it,i it's fast enough in our experience. 2022-07-15T01:57:09 < karlp> but on our current hardware, yes, we use a ft230x and have it take care of it automatically. 2022-07-15T01:57:16 < karlp> much less hassle :) 2022-07-15T01:57:27 < catphish_> kaki: box - https://youtu.be/Y7mD8UQ_Jqs 2022-07-15T01:57:46 < aandrew> sure, but that just rubs me the wrong way 2022-07-15T01:57:59 < karlp> why? 2022-07-15T01:58:39 < kaki> catphish: you need a seat 2022-07-15T01:58:48 < aandrew> I'm not saying it's logical. I just don't like the idea of doing it in software unless there's no other reason, but you're already in an interrupt handler you can check+delay a char time to turn transmitter off 2022-07-15T01:59:03 < catphish_> kaki: yes i believe a seat is required for annual inspection :) 2022-07-15T01:59:31 < kaki> that tesco bag asa seat ofc could save some weight 2022-07-15T01:59:44 < catphish_> tomorrow i need to bleed the brakes and bolt in the seat, and then it can be drive! 2022-07-15T02:00:10 < kaki> why it's whining in neutral? 2022-07-15T02:00:18 < karlp> I mean, if the kernel gets the same "transmit complete" flags, as on an MCU and handles it like that, I don't see any problem with it in "software" 2022-07-15T02:00:48 < karlp> but I had read it as the ft230x solution rubbed you the wrong way :) 2022-07-15T02:00:57 < catphish_> kaki: i suspect that's the sound of the coolant pump, sounds strangely loud on the video 2022-07-15T02:01:13 < kaki> ah I thought it's inverter 2022-07-15T02:01:34 < catphish_> the bigger question is why is bangs while accelerating 2022-07-15T02:01:41 < karlp> I mean, this was pretty bodgetastic, but worked well on that hardware :) https://github.com/etactica/openwrt-aa/commit/7bf7a59f104591fdadf53f1b2ef3c5e06d799a85 2022-07-15T02:01:42 < catphish_> i hope that stops then there's proper load on it 2022-07-15T02:02:27 < karlp> anyway, anything worth scrolling for in the last week? 2022-07-15T02:03:42 < catphish_> kaki: driveshafts: https://imgur.com/a/7KaD3Bq 2022-07-15T02:05:03 < kaki> driveshafts right length? 2022-07-15T02:05:49 < kaki> but it might be brakes 2022-07-15T02:06:06 < kaki> rust has formed on parts not covered by pads 2022-07-15T02:06:27 < kaki> making periodic sound 2022-07-15T02:07:29 < catphish_> i think shafts are right length, but should double check now all is fully assembled 2022-07-15T02:07:48 < catphish_> and no, brake discs and pads are brand new today 2022-07-15T02:08:47 < catphish_> i suspect problem is related to shafts, will check length, if they too long that's big annoying! 2022-07-15T02:09:24 < catphish_> hopefully they're not :) 2022-07-15T02:12:32 < karlp> qyx: there's like 30+ PRs for libmodbus doing various hacks on custom gpio toggling too... 2022-07-15T02:13:47 < karlp> zyp: yeah, I was looking for a a USB-PD "PPS" because I thought it should be a super easy thing for hobby electornics power supply shit, but yeah, seems pretty unobtanium. 2022-07-15T02:15:45 < kaki> catphish: cv joints having not full cover of lube yet 2022-07-15T02:15:57 < kaki> could make them make a sound 2022-07-15T02:16:13 < kaki> did you rub the balls completelly with the lube? 2022-07-15T02:17:10 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 272 seconds] 2022-07-15T02:17:19 < kaki> also wear patterns cv joints or if assembled wrong or something 2022-07-15T02:18:55 < kaki> idk if you can assemble cv joint wrong but vag stuff I have done is symmetrical.. 2022-07-15T02:19:25 < catphish_> kaki: it could definitely be lubrication problem, i put grease it, but i wasn't sure if was enough, i didn't rub anything with grease, jut put it in the joint, it seemed to cover everything 2022-07-15T02:19:51 < catphish_> i don't thing there's a wrong way to asssmble it 2022-07-15T02:19:59 < kaki> no premeasured bags of goo? 2022-07-15T02:20:25 < catphish_> no, i just bought pot of goo and distributed it between the joints 2022-07-15T02:20:33 < catphish_> perhaps i can look how much i should have used 2022-07-15T02:20:59 < kaki> 50g 2022-07-15T02:21:14 < catphish_> i used way more than that 2022-07-15T02:21:22 < kaki> okay it's fine 2022-07-15T02:22:11 < catphish_> i got 500g tub, put about 200g in each tesla tripod joint and about 50g in each of the original vauxhall outer joints 2022-07-15T02:22:18 < catphish_> maybe outer joints need more 2022-07-15T02:24:48 < kaki> tripods ofc need more 2022-07-15T02:25:07 < kaki> stuff has travel distance and volume 2022-07-15T02:26:09 < catphish_> yeah, those seemed well coated, the outer cv joints were alrady well greased, i added a little more to replace what what was lost from the boot, but it's hard to imagine any are dry enough to be causing the banging 2022-07-15T02:26:31 < catphish_> also i'm puzzled by why it only happens under acceleration 2022-07-15T02:27:10 < catphish_> i think maybe tomorrow i can try to work out what component is banging and go from there 2022-07-15T02:45:29 < catphish_> internet says not enough grease maybe 2022-07-15T02:47:36 < catphish_> it also says it could be the interface with the differential 2022-07-15T03:12:31 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-15T03:26:33 < englishman> what did you end up doing for the axles 2022-07-15T03:26:41 < englishman> weld the halves? 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ZZZzzz…] 2022-07-15T09:03:01 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-15T09:03:44 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-15T09:37:53 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-15T11:01:50 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 240 seconds] 2022-07-15T11:02:34 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-15T11:08:46 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 244 seconds] 2022-07-15T11:09:29 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-15T11:26:07 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-15T12:10:39 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-15T12:38:01 -!- machinehum [~machinehu@2604:3d08:937f:cf00::1560] has quit [Ping timeout: 272 seconds] 2022-07-15T12:39:51 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has joined ##stm32 2022-07-15T12:44:18 -!- witx [~witx@193.137.28.238] has quit [Remote host closed the connection] 2022-07-15T12:46:07 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-15T12:56:30 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-15T13:09:19 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-15T13:26:15 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-15T13:37:26 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-15T13:37:26 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-15T13:38:56 -!- specing_ is now known as specing 2022-07-15T13:45:30 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-15T13:48:51 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-15T13:58:34 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-15T14:01:51 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 244 seconds] 2022-07-15T14:02:17 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-15T14:54:58 < qyx> https://paste.jvnv.net/view/kP71X 2022-07-15T15:00:46 < qyx> is there a better pythonic approach to write such thing on a single line? 2022-07-15T15:01:08 < qyx> something like for v in values if v.something == True: 2022-07-15T15:10:21 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-15T15:17:18 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-15T15:19:22 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T15:21:20 < jpa-> qyx: not really; https://stackoverflow.com/questions/6981717/pythonic-way-to-combine-for-loop-and-if-statement 2022-07-15T15:29:08 < zyp> you can iterate over a genexp but that's just making a mess without simplifying anything 2022-07-15T15:29:17 < zyp> or you could pass it through filter() 2022-07-15T15:30:02 < zyp> but personally I prefer simply doing if blah != what_i_want: continue 2022-07-15T15:30:30 < zyp> simple and readable, and avoids having to double-indent the whole loop body 2022-07-15T15:30:50 < zyp> also makes it tidy to check multiple conditions 2022-07-15T15:33:13 < fenugrec> while there's a few .py pros here : I also suffer from nonidiomatic pyness : in C I would have a pointer to a struct here instead of a dumb string "7050" and then having to lookup that same string in the devlis[] array : https://github.com/fenugrec/nissutils/blob/eb25122ab6c7ff9c5036d26b5b9bc6ebba16bffa/ghidra_helpers/nissan_load.py#L41 any suggestions ? 2022-07-15T15:33:59 < fenugrec> I was proud for figuring out how to use namedtuple, but that feeling quickly dissipated 2022-07-15T15:34:30 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 240 seconds] 2022-07-15T15:37:45 < jpa-> fenugrec: maybe https://docs.python.org/3/library/enum.html ? 2022-07-15T15:38:12 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-15T15:38:12 < Laurenceb> supppp 2022-07-15T15:38:14 < Laurenceb> supppp 2022-07-15T15:39:41 < jpa-> fenugrec: or you could just have the devtype instance instead of the string 2022-07-15T15:40:02 < jpa-> dictionaries can also be useful for such lookup stuff 2022-07-15T15:45:21 < fenugrec> jpa-, thanks. This thing needs to run on py 2.7 though, not sure if enums work there 2022-07-15T15:46:08 < fenugrec> not sure what you mean by "have the devtype instance instead of string" ... like fidtype("SH705101", devlist[0]...) ? 2022-07-15T15:46:28 < fenugrec> other than by array index I'm not sure how to access each individual devtype instance 2022-07-15T15:49:21 < jpa-> what you have looks pretty ok to me though 2022-07-15T15:52:07 < zyp> what are you doing that still needs to run on 2.7? 2022-07-15T15:52:36 < zyp> 2.7 has been EOL/unsupported for *years* 2022-07-15T15:52:37 < fenugrec> it's a plugin for some jything abomination that is doomed to stay on 2.7 for the foreseeable future 2022-07-15T15:52:46 < fenugrec> the alternative is java. This seemed like the lesser evil 2022-07-15T15:52:52 < fenugrec> *jython 2022-07-15T15:53:05 < zyp> oh 2022-07-15T15:54:37 < jpa-> i might have structured the whole thing as class BaseDevice: ... class Device7050(BaseDevice): RAMstart = 0xffffe800 ... fidmap = { 'SH705101': Device7050(0x1234), ... } 2022-07-15T15:55:37 < fenugrec> oh, classes... never used 'em, but I see how it could work yes 2022-07-15T15:55:59 < fenugrec> I could also give them a toString() override which would help with other unrelated stuff in there too 2022-07-15T15:56:10 < jpa-> __str__() in python :) 2022-07-15T15:56:48 < zyp> jython github repo has a surprising amount of activity for a project stuck on 2.7 with the last release over two years ago 2022-07-15T15:57:24 < fenugrec> well, jython, so... toString is necessary I think 2022-07-15T15:57:57 < zyp> and yeah, I agree, I'd probably also rather deal with python 2.7 than java 2022-07-15T15:58:04 < fenugrec> heh 2022-07-15T16:00:12 < fenugrec> well, thanks for the comments zyp&jpa 2022-07-15T16:26:21 < qyx> jpa- zyp thanks 2022-07-15T16:58:14 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 268 seconds] 2022-07-15T16:59:04 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-15T17:03:30 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-15T17:05:16 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-15T17:29:34 -!- c10ud [~c10ud@user/c10ud] has quit [Ping timeout: 244 seconds] 2022-07-15T17:34:27 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-15T17:34:27 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Changing host] 2022-07-15T17:34:27 -!- c10ud [~c10ud@user/c10ud] has joined ##stm32 2022-07-15T17:42:36 -!- Laurenceb [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Ping timeout: 252 seconds] 2022-07-15T17:44:01 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-15T17:51:51 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-15T18:14:12 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-15T18:19:56 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-15T18:22:53 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T18:29:17 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-15T18:36:18 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-15T18:39:09 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-15T18:44:35 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T18:45:48 -!- c10ud [~c10ud@user/c10ud] has quit [Read error: Connection reset by peer] 2022-07-15T19:00:25 -!- majonerozer[m] [~markonjak@2001:470:69fc:105::2:1d7f] has quit [Quit: You have been kicked for being idle] 2022-07-15T19:17:30 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 264 seconds] 2022-07-15T19:21:59 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-15T19:44:57 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-15T20:06:41 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 255 seconds] 2022-07-15T20:23:17 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-15T21:08:12 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-15T21:14:17 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-15T21:16:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-15T21:20:34 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T21:30:49 -!- haritz [~hrtz@user/haritz] has quit [Ping timeout: 256 seconds] 2022-07-15T21:47:12 < catphish_> summon kaki, i have box 2022-07-15T21:48:29 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-15T21:49:51 < Steffanx> Stay out! 2022-07-15T21:51:25 < catphish_> https://www.youtube.com/watch?v=ScXQqPfMkmM 2022-07-15T21:51:55 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-15T21:51:59 < Laurenceb> suppp 2022-07-15T21:52:27 < Laurenceb> fun day of hitting things with hammers 2022-07-15T21:52:31 < Laurenceb> victorian style 2022-07-15T21:53:25 < Laurenceb> hyperloop traction motor was supposed to be assembled using ln2 cooled and 150C oven heated parts... until someone did it all wrong 2022-07-15T21:53:55 < catphish_> hammers are fun 2022-07-15T22:06:20 -!- \dev\ice [~benner@user/device/x-9920846] has quit [Killed (NickServ (GHOST command used by b3nn3r!~benner@2a01:4f8:1c1c:2178::1))] 2022-07-15T22:06:32 < Steffanx> Where does what come from me catphish_ ? 2022-07-15T22:06:53 < catphish_> where does what come from? 2022-07-15T22:07:06 < catphish_> what? 2022-07-15T22:09:49 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-15T22:09:55 -!- \dev\ice [~eabdb@user/device/x-9920846] has joined ##stm32 2022-07-15T22:11:08 < Steffanx> Oh isn't that what you or someone else says in the video? 2022-07-15T22:11:56 < Steffanx> Maybe its the British accent 😜 2022-07-15T22:12:09 < catphish_> at the end of the video, someone says "suits you actually" 2022-07-15T22:12:54 < Steffanx> The thing said before it. 2022-07-15T22:13:30 < catphish_> i can't make out anything said before that 2022-07-15T22:13:45 < catphish_> at 0:00 he says "oooooo" 2022-07-15T22:14:11 < catphish_> at 0:16 "niiiiiice" 2022-07-15T22:14:33 < catphish_> can't make out anything else 2022-07-15T22:19:24 < Laurenceb> traction motor is assembled... its a bit dented 2022-07-15T22:24:27 < Steffanx> Alright, whatever 😋 2022-07-15T22:25:11 < Steffanx> But nice nice catphish_ :) 2022-07-15T22:25:57 < catphish_> thanks, it drives, that's the important thing! 2022-07-15T22:26:15 < catphish_> the brakes need bleeding better, and there's a problem with the tuning of the inverter at full throttle 2022-07-15T22:26:19 < catphish_> but getting there 2022-07-15T22:28:59 < Steffanx> And the noise is gone? 2022-07-15T22:38:30 < srk> noice! 2022-07-15T22:41:08 < srk> do some proper acceleration test video :D 2022-07-15T23:12:46 < fenugrec> musics https://www.youtube.com/watch?v=NHWOtFcpY2Q 2022-07-15T23:14:03 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-15T23:14:26 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-15T23:15:54 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has joined ##stm32 2022-07-15T23:15:54 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has quit [Changing host] 2022-07-15T23:15:54 -!- haritz [~hrtz@user/haritz] has joined ##stm32 2022-07-15T23:18:45 -!- Laurenceb [~Laurenceb@101.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-15T23:20:21 < catphish_> Steffanx: i think noise is gone, but there are lots of noises now so i need to listen carefully to see if any of them are concerning 2022-07-15T23:22:13 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-15T23:27:10 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-15T23:30:12 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-15T23:39:56 < catphish_> morning kaki, once again you arrived too late for box updates 2022-07-15T23:40:07 < kaki> you know me 2022-07-15T23:41:07 < catphish_> well, big box news: https://www.youtube.com/watch?v=ScXQqPfMkmM 2022-07-15T23:42:13 < kaki> :o 2022-07-15T23:43:00 < kaki> you have dedicated test driver 2022-07-15T23:44:16 < catphish_> he was driving it sideways, but i didn't catch that on camera 2022-07-15T23:44:50 < kaki> I think I can see rubber marks there 2022-07-15T23:45:31 < catphish_> indeed 2022-07-15T23:46:07 < catphish_> there's a bit of work still to do before final reassembly, but hopefully be finished in a week or so 2022-07-15T23:46:54 < kaki> your test driver is excited? 2022-07-15T23:47:16 < catphish_> he enjoyed it :) 2022-07-15T23:47:42 < catphish_> i'd like to get an actual mechanic adjust the wheel alignment etc before abusing it too much 2022-07-15T23:48:35 < catphish_> and i still want to pack the sides of the battery box to prevent the sideways battery stress 2022-07-15T23:48:57 < catphish_> the car really does make you *want* to drive it sideways 2022-07-15T23:49:26 < catphish_> and i need to fix the inverter tuning a bit, it stalls if you try to give it full throttle 2022-07-15T23:56:09 < kaki> interesting 2022-07-15T23:56:18 < kaki> fully? 2022-07-15T23:56:29 < kaki> 0% torque? --- Day changed la heinä 16 2022 2022-07-16T00:02:56 < catphish_> no, it feels like about 20% torque 2022-07-16T00:03:28 < catphish_> i have my voltage set very low and my slip set very high, my suspicion is that i'm pushing it into "stall" region 2022-07-16T00:03:55 < upgrdman> https://i.imgur.com/uHWyKtF.jpg 2022-07-16T00:05:51 < catphish_> lol 2022-07-16T00:06:03 < catphish_> it's funny because it's photoshopped 2022-07-16T00:29:56 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 255 seconds] 2022-07-16T00:34:42 < karlp> [v["blah"] = msg.arbitid for v in config.get.items()] 2022-07-16T00:34:53 < karlp> the list comprehension never has to be kept... 2022-07-16T00:35:43 < karlp> fenugrec: lol, writing py27 code in $YEAR :) 2022-07-16T00:36:58 < karlp> jython was rad hotness in.... the job before my last one, and I've been in my current one for 11 or 12 years now :| 2022-07-16T00:40:50 < karlp> also [blah if v.wop = msg.arbit for v in config.get.items()] sorry, to ge the conditional ther eproperly...) 2022-07-16T00:42:14 < fenugrec> karlp, like I said... a choice of lesser evils 2022-07-16T00:45:07 < srk> poor :( 2022-07-16T00:51:14 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 272 seconds] 2022-07-16T00:59:12 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-16T01:29:46 < kaki> https://www.metallux.ch/divisions/pressure-sensors 2022-07-16T01:37:38 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-16T01:38:40 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-16T01:44:50 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-16T01:45:51 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-16T01:48:59 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-16T01:49:00 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-16T01:55:30 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-16T01:57:10 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 240 seconds] 2022-07-16T01:59:21 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [] 2022-07-16T02:30:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-16T02:32:50 < kaki> so cool 2022-07-16T02:42:39 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-16T03:34:23 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-16T03:52:10 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-16T04:12:20 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-16T04:14:17 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-16T04:38:58 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-16T04:53:03 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-16T04:55:31 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-16T04:58:35 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-16T04:59:56 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-16T05:02:10 -!- 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joined ##stm32 2022-07-16T10:08:05 < \dev\ice> kaki: how much these cost? 2022-07-16T10:10:50 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-16T10:27:53 < srk> fortune! 2022-07-16T13:01:51 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-16T13:38:03 -!- specing [~specing@user/specing] has quit [Ping timeout: 244 seconds] 2022-07-16T13:39:06 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-16T14:06:42 -!- yukam [~yukam@user/yukam] has quit [Ping timeout: 272 seconds] 2022-07-16T14:15:06 -!- yukam [~yukam@user/yukam] has joined ##stm32 2022-07-16T15:09:09 -!- fenugrec [~f@97.107.220.18] has quit [Quit: fenugrec] 2022-07-16T15:38:20 -!- fenugrec [~f@97.107.220.18] has joined ##stm32 2022-07-16T16:24:06 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-16T16:33:01 -!- tabemann [~tabemann@172-13-49-137.lightspeed.milwwi.sbcglobal.net] has quit [Quit: Leaving] 2022-07-16T17:48:10 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-16T17:59:07 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-16T18:44:56 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-16T18:49:36 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-16T19:08:44 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-16T19:15:10 -!- kraiskil_ [~kraiskil@mob-194-230-148-205.cgn.sunrise.net] has joined ##stm32 2022-07-16T19:17:38 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 240 seconds] 2022-07-16T19:31:07 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-16T20:12:35 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-16T20:16:24 -!- kraiskil_ [~kraiskil@mob-194-230-148-205.cgn.sunrise.net] has quit [Ping timeout: 244 seconds] 2022-07-16T21:22:54 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-16T21:26:14 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-16T21:26:16 * Laurenceb is failing at bash 2022-07-16T21:26:37 < Laurenceb>  rcode=$(echo -e -n "000" | cut -c 1-$(((4-${#rst}))) ; echo -e -n "$rst" ) 2022-07-16T21:26:50 < Laurenceb> this adds a whitespace between the two echos 2022-07-16T21:32:07 -!- duude__ [~duude__@user/duude/x-4676560] has quit [Ping timeout: 272 seconds] 2022-07-16T21:35:25 -!- duude__ [~duude__@user/duude/x-4676560] has joined ##stm32 2022-07-16T21:56:49 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-16T22:11:38 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-16T22:11:46 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-16T22:19:07 < Jookia> Laurenceb: cut will add a new line yes 2022-07-16T22:19:56 < Laurenceb> fixed it by just concatenating string without the second echo 2022-07-16T22:20:55 < Jookia> ah 2022-07-16T22:20:57 < Jookia> you could also do 2022-07-16T22:20:59 < Jookia> echo -e -n "hello" | awk '{ ORS=""; print $1; }' | xxd 2022-07-16T22:21:08 < Jookia> awk lets you print without newline 2022-07-16T22:41:03 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 244 seconds] 2022-07-16T22:55:38 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-16T23:00:47 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-16T23:07:46 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] --- Day changed su heinä 17 2022 2022-07-17T00:07:49 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-17T01:26:30 -!- Linux_Kerio 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2022-07-17T13:37:01 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-17T13:38:36 -!- specing_ is now known as specing 2022-07-17T13:42:41 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-17T14:08:07 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-17T14:11:00 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-17T14:25:15 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Remote host closed the connection] 2022-07-17T14:25:47 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-17T15:08:17 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-17T15:13:42 < kaki> catphish: you have warm there? 2022-07-17T15:13:54 < kaki> send some here 2022-07-17T15:14:13 < kaki> news say you have +40 warm 2022-07-17T15:15:23 < kaki> we have +15 warm 2022-07-17T15:23:11 < jpa-> but we have more biting insects 2022-07-17T15:23:19 < jpa-> no reason to complain 2022-07-17T15:24:12 < kaki> I dont even notice anymore 2022-07-17T15:58:30 < catphish> kaki: i think i'm in more chill part of UK, only +25 warm here today, +32 predicted tomorrow 2022-07-17T15:58:44 < catphish> that will be nice warm! 2022-07-17T15:58:46 < kaki> london 38 tommorow 2022-07-17T15:59:00 < catphish> yeah nobody wants to be there though 2022-07-17T15:59:14 < catphish> i'll take my countryside +32 :) 2022-07-17T15:59:18 < milkylainen> Stockholm 23 tomorrow. 2022-07-17T16:14:28 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-17T16:26:38 < kaki> https://earth.nullschool.net/#current/wind/surface/level/overlay=temp/orthographic=-321.32,32.74,850/loc=48.399,31.366 how about 48.7C 2022-07-17T16:30:40 -!- kraiskil_ [~kraiskil@mob-194-230-148-176.cgn.sunrise.net] has quit [Ping timeout: 272 seconds] 2022-07-17T16:36:17 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-17T16:43:40 < mawk> catphish https://www.reddit.com/r/rance/comments/w11v4l/retour_vers_le_meilleur_du_passé_2021_à_loccasion/?utm_medium=android_app&utm_source=share 2022-07-17T17:17:29 < Steffanx> Mawk will die Tuesday too 2022-07-17T17:28:27 < mawk> why 2022-07-17T17:28:30 < mawk> what happens tuesday 2022-07-17T17:28:43 < mawk> I'll go to the office we have AC 2022-07-17T17:29:00 < Steffanx> Ah lucky you 2022-07-17T18:33:09 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has joined ##stm32 2022-07-17T18:41:00 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-17T19:22:27 < kaki> my A/Cs are running in heating mode now 2022-07-17T19:26:53 < Steffanx> But thats because you're ice-cold kaki 2022-07-17T19:37:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 260 seconds] 2022-07-17T19:40:44 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-17T19:41:19 < Mangy_Dog> https://twitter.com/MD_Builds/status/1548707466690584580 2022-07-17T19:44:33 < specing> why die 2022-07-17T19:44:38 < specing> it'll only be 35'C or so 2022-07-17T19:50:10 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has quit [Ping timeout: 272 seconds] 2022-07-17T19:55:37 < Mangy_Dog> parts of the uk are reaching 40c tomorrow 2022-07-17T20:39:44 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has joined ##stm32 2022-07-17T20:45:24 < kaki> gib that 98% moisture too 2022-07-17T20:45:39 < kaki> moist.. humidity 2022-07-17T20:48:49 < kaki> moite 2022-07-17T20:49:09 < kaki> maybe I should try to code now 2022-07-17T20:49:40 < kaki> it's been so long I dont remember how to bring up IDE with my project 2022-07-17T20:49:56 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-17T20:56:28 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-17T21:09:47 < kaki> okay so passing a callback function pointer via template is where I got stuck last time 2022-07-17T21:15:18 < kaki> error: ‘callback_test’ is not a valid template argument of type ... ... because ‘callback_test’ is not a variable 2022-07-17T21:15:18 < kaki>    18 | MTT::pwm_t (*const pcallback_test)(MTT::controller_interval_t, MTT::state_t, MTT::ramp_t, MTT::pwm_t, MTT::feedback_t) = &callback_test; 2022-07-17T21:18:04 < kaki> I try to pass pcallback_test in template 2022-07-17T21:18:45 < kaki> I think we talked about using reference or "function" wrapper 2022-07-17T21:26:56 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has quit [Ping timeout: 268 seconds] 2022-07-17T21:32:29 < kaki> how do I variablize callback_test? 2022-07-17T21:33:34 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [] 2022-07-17T21:35:07 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-17T21:37:14 < kaki> in this case I though = or & would result into variable 2022-07-17T21:47:42 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-17T22:00:11 < kaki> with std::function how do I make a check that function has right return type and parameters? 2022-07-17T22:03:18 < kaki> ah I just detemplate it inside my class 2022-07-17T22:03:28 < kaki> should work 2022-07-17T22:04:46 < kaki> but arguments are deprecated since ++17 and removed since ++20 2022-07-17T22:05:19 -!- drkow [~k\o\w@72.53.234.152] has quit [Ping timeout: 260 seconds] 2022-07-17T22:11:08 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-17T22:11:14 < kaki> zyp: I cannot force arguments with std::function? 2022-07-17T22:11:27 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-17T22:25:24 < zyp> std::bind or something? 2022-07-17T22:25:34 < zyp> oh 2022-07-17T22:25:40 < zyp> idk 2022-07-17T23:00:00 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 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2022-07-18T14:06:13 -!- fenugrec [~f@97.107.220.18] has joined ##stm32 2022-07-18T14:32:49 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-18T14:33:33 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-18T15:05:31 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-18T15:07:13 -!- joel135 [sid136450@id-136450.hampstead.irccloud.com] has joined ##stm32 2022-07-18T15:23:29 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-18T15:38:26 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-18T15:38:48 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-18T16:18:30 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-18T16:18:33 < Laurenceb> sheet 2022-07-18T16:18:34 < Laurenceb> https://www.chelmervillage-weather.co.uk/ 2022-07-18T16:43:45 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 276 seconds] 2022-07-18T16:44:42 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-18T16:52:53 < Mangy_Dog> tis warm 2022-07-18T16:53:08 < Mangy_Dog> here in norfolk... if youre in essex... *waves 50 miles north of you* 2022-07-18T16:56:56 < Laurenceb> nope I'm in Derby 2022-07-18T16:58:28 < Mangy_Dog> aahhh 2022-07-18T16:58:38 * Mangy_Dog waves 100 miles from the east :p 2022-07-18T17:05:30 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-18T17:12:21 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 276 seconds] 2022-07-18T17:13:18 < englishman> when brits arent complaining about they rain they are complaining the concrete jungle they created is hot 2022-07-18T17:15:24 < kaki> urban areas are heat traps 2022-07-18T17:16:12 < kaki> if I drive to city in sunny day I can feel that +2Celsius difference right away 2022-07-18T17:18:39 < Laurenceb> sheet my windows are hot 2022-07-18T17:18:49 < Laurenceb> crazy 2022-07-18T17:18:59 < Laurenceb> 15C hotter outside than inside 2022-07-18T17:19:45 < kaki> better stay inside 2022-07-18T17:21:44 < kaki> you have A/C? 2022-07-18T17:22:25 < Laurenceb> nope 2022-07-18T17:28:29 < kaki> I think the highest temperature I have experienced is +38C 2022-07-18T17:28:32 < kaki> in sicily 2022-07-18T17:28:55 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-18T17:29:28 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-18T17:29:39 < Laurenceb> heading towards 40C 2022-07-18T17:29:52 < Steffanx> Farewell Laurenceb 2022-07-18T17:30:13 < kaki> damn we were sleeping in air conditioned car in middle of day.. and locals were carrying on like it was nothing 2022-07-18T17:31:08 < kaki> so exhausting we had to just chill in a car after any time outdoors 2022-07-18T17:34:07 < Mangy_Dog> even out here in the coutry its about 36 or so C 2022-07-18T17:34:14 < Mangy_Dog> i couldnt stay out in the sun 2022-07-18T17:34:22 < Mangy_Dog> one of the reasons im not at the beach 2022-07-18T17:39:05 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-18T17:40:35 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-18T17:43:33 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-18T17:52:55 < mawk> I made a duhkker container with stm32cubeide 2022-07-18T17:52:59 < mawk> to build in headless mode in the CI 2022-07-18T17:53:08 < mawk> it weighs a nice 3GiB 2022-07-18T17:55:39 < Steffanx> Are you OK mawk? 2022-07-18T17:56:54 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-18T17:57:45 < kaki> heat melted head 2022-07-18T17:58:40 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-18T18:02:15 < Laurenceb> https://www.chatteris.biz/ 2022-07-18T18:02:17 < Laurenceb> sheeet 2022-07-18T18:05:50 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-18T18:07:38 < mawk> Steffanx :( 2022-07-18T18:10:26 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-18T18:15:30 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-18T18:37:54 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 264 seconds] 2022-07-18T18:44:07 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-18T18:50:55 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-18T19:16:07 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-18T19:48:40 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-18T19:48:47 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-18T19:54:51 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-18T20:06:51 < mawk> I used my docker container in a jenkins pipeline 2022-07-18T20:06:54 < mawk> it works perfectly 2022-07-18T20:07:31 < mawk> https://serveur.io/ksnip-tmp-20220718190720463.png 2022-07-18T20:17:46 < Steffanx> Why is it in French? 2022-07-18T20:18:05 < Steffanx> And only partially 2022-07-18T20:27:00 < mawk> my chrome is in french 2022-07-18T20:27:05 < mawk> and jenkins thought it could speak french to me 2022-07-18T20:27:10 < mawk> but the translation is lacunar 2022-07-18T20:49:17 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has joined ##stm32 2022-07-18T21:06:43 < machinehum> Does anyone have a decent way to interface with 1.27mm headers? 2022-07-18T21:06:48 < machinehum> Male 2022-07-18T21:06:49 < machinehum> https://www.mouser.ca/ProductDetail/855-M50-3300842 2022-07-18T21:06:56 < machinehum> They don't make 8pin versions of those 2022-07-18T21:08:37 < machinehum> It looks like they start at 10pin 2022-07-18T21:12:58 < karlp> what do you have that hsa 2x4? 2022-07-18T21:13:26 < machinehum> https://www.mouser.ca/ProductDetail/710-62130821021 2022-07-18T21:13:42 < machinehum> Something like this could work I guess https://www.digikey.ca/en/products/detail/samtec-inc/SFSD-04-28-G-03-25-D-NDX/8413986 2022-07-18T21:14:16 < machinehum> Basically I used that 1.27mm header on the board... need to fly it out to an FTDI/powr pints 2022-07-18T21:14:18 < machinehum> pins 2022-07-18T21:16:18 -!- kraiskil_ [~kraiskil@mob-194-230-148-83.cgn.sunrise.net] has quit [Ping timeout: 264 seconds] 2022-07-18T21:19:42 < machinehum> Yeah those are flyed to 28AWG then I can crimp normal dupont wires on 2022-07-18T21:22:38 < milkylainen> machinehum: 1.27 pin headers are normal inclusions on some boards. Just order a header and correctly spaced cable and build your own whatever. 2022-07-18T21:23:17 < machinehum> Soldering? nah 2022-07-18T21:23:23 < milkylainen> I had a smbus/i2c header on a 1.8" x86 board. 2022-07-18T21:24:16 < milkylainen> the 2x4 header or whatever is pressed. The other end.. well I guess that depends on what you are doing. So probably soldering. 2022-07-18T21:24:35 < milkylainen> I think adafruit had some headers + cables that could be modified. 2022-07-18T21:24:59 < milkylainen> https://www.adafruit.com/product/1675 2022-07-18T21:25:03 < milkylainen> 2x5 2022-07-18T21:25:21 < karlp> yes, they already said they had 10 pin :) 2022-07-18T21:25:23 < karlp> they want 8. 2022-07-18T21:25:26 < milkylainen> dunno about 2x4 2022-07-18T21:25:31 < machinehum> My issue is I need a 2x4 2022-07-18T21:25:35 < machinehum> Doesn't seem to exist 2022-07-18T21:25:36 < milkylainen> I had mine specially made. 2022-07-18T21:25:38 < milkylainen> :) 2022-07-18T21:25:39 < milkylainen> They do. 2022-07-18T21:26:13 < machinehum> That pigtail connector is the solution 2022-07-18T21:27:23 < milkylainen> pigtail? 2022-07-18T21:27:29 < milkylainen> antennas? 2022-07-18T21:27:34 < machinehum> https://www.digikey.ca/en/products/detail/samtec-inc/SFSD-04-28-G-03-25-D-NDX/8413986 2022-07-18T21:28:03 < machinehum> Pigtail is just slang for loose wires 2022-07-18T21:29:03 < machinehum> I can snip that guy in half, and then crimp normal 2.54mm dupont wires, plug it into the FTDI 2022-07-18T21:29:31 < milkylainen> Ack. I've never used it that way. I always use pigtail for terminated sma or similar. 2022-07-18T21:30:42 < milkylainen> As long as the spacing is correct you're all good. 2022-07-18T21:30:47 < milkylainen> Go for it. :) 2022-07-18T21:34:56 < machinehum> ye 2022-07-18T21:35:27 < machinehum> I'll probably avoid those pitch connectors in the future if possible 2022-07-18T21:41:54 < karlp> just use two more pins... 2022-07-18T21:42:33 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-18T21:48:45 < machinehum> karlp: Waste of pins dude 2022-07-18T21:49:05 < karlp> well, you're the one who laid out a board with no design for what to connect it to :) 2022-07-18T21:51:36 -!- upgrdman_ [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-18T21:54:18 -!- upgrdman_ [~upgrdman@47.180.47.55] has quit [Client Quit] 2022-07-18T21:54:37 -!- upgrdman_ [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-18T21:54:43 -!- upgrdman_ [~upgrdman@47.180.47.55] has quit [Client Quit] 2022-07-18T21:55:08 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Ping timeout: 272 seconds] 2022-07-18T22:01:46 < mawk> https://www.adafruit.com/product/1675 is what we use 2022-07-18T22:49:29 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-18T22:55:01 < catphish_> morning 2022-07-18T23:01:12 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-18T23:03:29 < Steffanx> Gooday sirs 2022-07-18T23:05:19 < catphish_> good day 2022-07-18T23:05:35 < kaki> multichats 2022-07-18T23:06:11 < kaki> bomb steff in tg and ircs at same time 2022-07-18T23:06:35 < kaki> never dm 2022-07-18T23:07:03 < Steffanx> Want to slide into my dm? 2022-07-18T23:07:11 < kaki> nope 2022-07-18T23:09:21 < catphish_> tg? 2022-07-18T23:10:30 < kaki> *nod* 2022-07-18T23:10:52 < catphish_> telegram? 2022-07-18T23:11:24 < kaki> yes 2022-07-18T23:12:59 < catphish_> what does that do? 2022-07-18T23:13:58 < Steffanx> It does ##gd32 2022-07-18T23:14:04 < kaki> idk it mainly has 300million pakis 2022-07-18T23:14:19 < Steffanx> Sometimes it's more active than irc. And it has dongs 2022-07-18T23:14:23 < catphish_> is it like discord/slack/etc? 2022-07-18T23:14:26 < kaki> and our secret place 2022-07-18T23:14:52 < Steffanx> More like signal, WhatsApp and what not 2022-07-18T23:14:54 < catphish_> everywhere has dongs if you post them 2022-07-18T23:15:06 < kaki> Steffanx: does catphish even know dongs? 2022-07-18T23:15:15 < Steffanx> I'm not sure. 2022-07-18T23:15:20 < Steffanx> I think so 2022-07-18T23:15:28 < catphish_> he used to be here, right? 2022-07-18T23:15:32 < Steffanx> Yeah 2022-07-18T23:15:35 < catphish_> then he was not here any more 2022-07-18T23:15:37 < kaki> I think he might be late- to post-dongs 2022-07-18T23:15:53 < catphish_> people who aren't here suck 2022-07-18T23:16:00 < catphish_> so i don't like him 2022-07-18T23:16:42 < catphish_> here's a todo list i made for this week, monday was success! https://i.imgur.com/tbrnqOg.jpg 2022-07-18T23:26:36 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-18T23:31:44 < zyp> I fucking hate telegram 2022-07-18T23:32:29 < qyx> why 2022-07-18T23:32:39 < kaki> interestings 2022-07-18T23:32:45 < kaki> but arent you in telegrams? 2022-07-18T23:32:49 < mawk> why zyp 2022-07-18T23:33:09 < mawk> telegroms 2022-07-18T23:35:20 < zyp> kaki, well, yeah, that's just because I love you assholes more than I hate telegram 2022-07-18T23:35:42 < zyp> but the UI is shit 2022-07-18T23:36:42 < Steffanx> Agreed. It sucks 2022-07-18T23:37:16 < zyp> and I especially hate the way it syncs half-written messages across clients and doesn't manage to sync that they were completed and sent or whatever 2022-07-18T23:38:09 < zyp> so like if I type something on one computer and send it, next day I go open another computer, half of the message is sitting in the input box 2022-07-18T23:38:36 < zyp> so I erase it, and next time I switch computers again it's back again 2022-07-18T23:38:39 < kaki> I wouldnt know I only use it in phone 2022-07-18T23:38:45 < Steffanx> Never had that 2022-07-18T23:42:20 < machinehum> karlp: This is true 2022-07-18T23:42:25 < qyx> here neither 2022-07-18T23:56:06 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] --- Day changed ti heinä 19 2022 2022-07-19T00:05:36 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Ping timeout: 272 seconds] 2022-07-19T00:06:36 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-19T00:14:45 < karlp> it's better than teams... 2022-07-19T00:18:30 < Steffanx> I'm not convinced 2022-07-19T00:18:51 < karlp> eh, different things. 2022-07-19T00:36:41 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-19T00:47:34 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-19T00:53:32 -!- Jookia [~jookia@LuminaSensum/founder/Jookia] has quit [Quit: Lost terminal] 2022-07-19T01:36:46 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-19T01:36:46 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-19T01:38:17 -!- specing_ is now known as specing 2022-07-19T01:45:45 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-19T02:05:01 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has joined ##stm32 2022-07-19T02:09:30 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-19T02:11:38 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has left ##stm32 [] 2022-07-19T02:27:48 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-19T02:33:59 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 272 seconds] 2022-07-19T03:00:10 -!- Netsplit *.net <-> *.split quits: tkoskine, aandrew, duude__, qyx, mannerism, benishor, Alexer 2022-07-19T03:00:17 -!- Netsplit over, joins: qyx 2022-07-19T03:00:17 -!- aandrew [~aandrew@gromit.mixdown.ca] has joined ##stm32 2022-07-19T03:00:26 -!- Netsplit over, joins: tkoskine 2022-07-19T03:00:58 -!- Netsplit over, joins: mannerism 2022-07-19T03:02:11 -!- Netsplit over, joins: duude__ 2022-07-19T03:02:26 -!- Netsplit over, joins: benishor 2022-07-19T03:05:17 -!- Alexer [~alexer@alexer.net] has joined ##stm32 2022-07-19T04:13:34 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-19T04:30:31 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 272 seconds] 2022-07-19T05:12:23 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-19T05:15:02 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-19T05:42:52 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Read error: Connection reset by peer] 2022-07-19T05:57:37 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-19T06:13:03 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has joined ##stm32 2022-07-19T09:24:26 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has quit [Quit: WeeChat 3.5] 2022-07-19T09:37:58 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-19T10:01:12 -!- jadew [~rcc@user/rcc] has joined ##stm32 2022-07-19T10:02:47 < jadew> zyp, what's wrong with Norway? https://cne.news/artikel/1242-norwegian-public-prosecution-service-investigates-hate-inciting-tweets-about-gender 2022-07-19T10:03:13 < jadew> is it going full dystopian? 2022-07-19T10:04:41 < jadew> TL;DR: Woman tweets males cannot be lesbians or get pregnant. Now she faces 3 years in prison. 2022-07-19T10:06:25 < jadew> sounds like freedom of speech and fundamental biological facts just got thrown out the window in one move 2022-07-19T10:11:19 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-19T10:13:29 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-19T10:30:48 < mawk> lol 2022-07-19T10:31:36 < mawk> 3 years is the maximum jadew 2022-07-19T10:31:40 < mawk> she probably won't get that 2022-07-19T10:32:59 < jadew> it's absurd that it's even on the table 2022-07-19T10:37:52 < catphish_> why absurd? it's clearly hate speech, which most countries except the US law laws against 2022-07-19T10:38:10 < catphish_> now it may not be right, but it's certainly not "absurd" 2022-07-19T10:38:44 < jadew> are you trolling? 2022-07-19T10:38:45 < catphish_> also, afaik it's definitely a fact that men can't be lesbians, and i don't think any would claim to be, except in jest 2022-07-19T10:39:23 < catphish_> plenty of what might seem like innocuous factual statements are in fact poorly veiled hate speech 2022-07-19T10:40:03 < jadew> stating facts in response to nonsensical gibberish is not hate speech 2022-07-19T10:40:16 < catphish_> the idea that "i can say anything because free speech" is not universally understood 2022-07-19T10:40:30 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 268 seconds] 2022-07-19T10:41:35 < catphish_> the idea that men cannot get pregnant is clearly no longer true due to the presence of trans people, and unless you were teaching very young children about biology, stating it would seem to obviously be trying to upset those people, not serving any factual purpose 2022-07-19T10:42:26 < catphish_> there are plenty of other things that might be true, but to say them in a particular context would be hate speech 2022-07-19T10:42:29 < jadew> classifying the challenge of ideas (let alone demonstrably wrong ideas) as hate speech is authoritarian garbage 2022-07-19T10:42:42 < jadew> also trans men are not men 2022-07-19T10:43:42 < catphish_> challenging ideas should indeed not be hate speech, but one should be careful not to be hateful while doing it 2022-07-19T10:44:03 < jadew> offense is taken, not given 2022-07-19T10:44:20 < catphish_> at this point, the classification of trans people is clearly nothing but a matter of opinion and semantics, not fact 2022-07-19T10:44:37 < jadew> not true 2022-07-19T10:45:07 < catphish_> you're talking about the definition of a word, definitions of words are not unchangable facts 2022-07-19T10:45:26 < jadew> it's an unsuccessful attempt of hijacking words 2022-07-19T10:45:39 < catphish_> "offense is taken, not given" is clearly nonsense, while people can stupidly take offense to anything, it's also possible to overtly "give" offense 2022-07-19T10:45:58 < catphish_> words mean whatever people want them to mean 2022-07-19T10:46:00 < jadew> and if you don't take, it how could that be offensive to you? 2022-07-19T10:46:08 < catphish_> there's no fixed definition of words 2022-07-19T10:46:28 < jadew> sure, but that doesn't mean that a tiny minority can dictate what they mean for everyone else 2022-07-19T10:46:38 < jadew> since the beginning of time, gender had a sexual component to it 2022-07-19T10:46:50 < catphish_> jadew: you're right, it takes time and cnsensus 2022-07-19T10:46:55 < jadew> a transvestite was always a person of one sex, pretending to be of a different sex 2022-07-19T10:47:27 < jadew> that has never changed, only in the minds of people who can't think clearly 2022-07-19T10:47:27 < catphish_> jadew: basically yes, a transvestite is a person of one sex dressing up as someone of the opposite sex, that's still the case 2022-07-19T10:47:39 < jadew> that's exactly what trans people are 2022-07-19T10:47:47 < catphish_> those people don't claim to *be* the oposite sex 2022-07-19T10:47:57 < jadew> that's the correct word for "trans" - transvestite, not "transexual" - you can't be transexual 2022-07-19T10:48:13 < catphish_> well in my culture, people would disagree with you, so clearly there are cultural differences here 2022-07-19T10:48:34 < jadew> I believe that in any culture people would disagree with that 2022-07-19T10:48:43 < catphish_> some people, probably 2022-07-19T10:48:47 < jadew> but the disconnection between reality and what people believe is called psychosis not fact 2022-07-19T10:48:52 < catphish_> but some people still think the world is flat 2022-07-19T10:49:05 < catphish_> so we can't assume the minority are correct 2022-07-19T10:49:16 < jadew> exactly my point 2022-07-19T10:49:33 < catphish_> this is a case where facts aren't important 2022-07-19T10:49:42 < jadew> ... 2022-07-19T10:49:45 < catphish_> what matters is making sure everyone can enjoy their lives 2022-07-19T10:49:59 < catphish_> like i said, word definitions aren't facts 2022-07-19T10:50:07 < catphish_> and realy they're not important here anyway 2022-07-19T10:50:12 < jadew> yeah, and the moment you force the psychosis on others on the rest of the population, the rest of the population enjoys their lives a little less 2022-07-19T10:50:20 < catphish_> what's important is making sure people are happy 2022-07-19T10:50:32 < jadew> instead if we called it what it was, they could get proper and correct treatment for their affliction 2022-07-19T10:50:43 < catphish_> if i'm happy, and trans people are happy, everyone wins 2022-07-19T10:50:45 < jadew> which yeah, would make them happy I would guess 2022-07-19T10:51:08 < jadew> if trans people are only happy if I lie to myself 2022-07-19T10:51:12 < catphish_> it's odd that you'd worry about the definitions of words to someone's detriment 2022-07-19T10:51:34 < jadew> then they can go fuck themselves, otherwise I don't care about what they do with their lives and I'd love to hear that they're happy 2022-07-19T10:51:39 < catphish_> you don't have to lie, you just have to understand that language evolves 2022-07-19T10:51:49 < jadew> no, it's a lie 2022-07-19T10:51:50 < catphish_> that doesn't sound true 2022-07-19T10:51:57 < jadew> it is 2022-07-19T10:52:03 < catphish_> it's like people who insist electrocution means dying 2022-07-19T10:52:08 < jadew> I want them to be happy, without getting me involved 2022-07-19T10:52:25 < catphish_> you don't have to be involved, that's precisely the point 2022-07-19T10:52:47 < catphish_> there's no reason to go around saying things like "trans people don't exist" 2022-07-19T10:53:11 < catphish_> you can just... not 2022-07-19T10:53:35 < jadew> I don't want to engage in twisted, unfactual trains of thoughts, in order to support an idea I fundamentally disagree with, because it's unscientific 2022-07-19T10:54:35 < jadew> I didn't say they don't, I said transexuals don't exist 2022-07-19T10:54:54 < jadew> and yes, the moment they insist that they do, they have involved me, because that has implications into my life 2022-07-19T10:54:57 < catphish_> i have to dash now, sorry 2022-07-19T10:54:58 < jadew> and my children's life 2022-07-19T10:55:06 < jadew> np, we can continue another time 2022-07-19T10:55:09 < jadew> ttyl 2022-07-19T10:55:17 -!- catphish_ [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-19T11:29:36 < Steffanx> And now you made ##stm32 part of it. Screw you, jadew. 2022-07-19T11:29:58 < jadew> did you enjoy the ride? 2022-07-19T11:30:37 < jadew> I'm still on it (the ride). Apparently on the other side of the spectrum we have anti-lgbt prayers lol 2022-07-19T11:31:27 -!- toluene [~toluene@user/toulene] has quit [Quit: Ping timeout (120 seconds)] 2022-07-19T11:32:08 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-19T11:32:54 < jadew> I'm out. ttyl. 2022-07-19T11:48:22 -!- witx [~witx@a94-132-168-30.cpe.netcabo.pt] has joined ##stm32 2022-07-19T12:06:51 < zyp> jadew, IIRC from when it was in norwegian media, what makes it illegal isn't that it's anti-trans opinions, but that it's harrasment against a specific individual 2022-07-19T12:09:55 < zyp> https://www-faktisk-no.translate.goog/artikler/z9684/du-kan-fortsatt-si-biologiske-sannheter-om-kjonn-uten-a-havne-i-fengsel?_x_tr_sl=no&_x_tr_tl=en&_x_tr_hl=no&_x_tr_pto=wapp 2022-07-19T12:14:44 < zyp> jadew, also, why do you care so much about what other people have in their pants? 2022-07-19T12:49:08 < drzacek> hello there 2022-07-19T12:49:55 < drzacek> I have a dumb question - what is the difference between https://www.st.com/en/evaluation-tools/nucleo-l452re.html and https://www.st.com/en/evaluation-tools/nucleo-l452re-p.html 2022-07-19T12:49:57 -!- Laurenceb [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-19T12:50:15 < drzacek> I get that the -p has some kind of clever external SMPS thingy going on there, which I'm not really interested in 2022-07-19T12:50:34 < Laurenceb> kaki 21:12:51 2022-07-19T12:50:35 < Laurenceb> I think he might be late- to post-dongs 2022-07-19T12:50:44 < Laurenceb> yeah but who remembers flyback 2022-07-19T12:51:25 < jpa-> drzacek: well, that's the difference? 2022-07-19T12:51:26 < drzacek> just trying to find out if the MCUs used on those nucleo boards are compatible? the docs mention STM32L452RET6U and STM32L452RET6P, having trouble finding those products on stm site to compare 2022-07-19T12:53:01 < jpa-> datasheet says that P = "Dedicated pinout supporting external SMPS" 2022-07-19T12:53:12 < drzacek> from my perspective, that smps thingy only steals my precious gpio. but if they used different chip, then maybe it does require it, and I can't just take it and skip those pins in my own PCB designs 2022-07-19T12:53:45 < jpa-> yes, in the P variant the GPIOs are replaced by SMPS VDD pins 2022-07-19T12:54:03 < drzacek> I don't quite understood the idea behind it. Sure, use smps instead of ldo, but why does it need so many pins for that? 2022-07-19T12:54:16 < drzacek> just configure it in hardware to provide 3.3V and done 2022-07-19T12:55:18 < jpa-> the core operates at 1.2V, and that is what gets provided through SMPS 2022-07-19T12:55:28 < drzacek> ah 2022-07-19T12:55:40 < drzacek> and the non-p does it internally on it's own, and apparently not as efficient? 2022-07-19T12:55:59 < jpa-> in the non-SMPS variant there are no external supply pins for 1.2V, it just gets regulated internally 2022-07-19T12:56:24 < jpa-> yeah, LDO 3.3V -> 1.2V is at most 36% efficient, SMPS can easily be over 80% 2022-07-19T12:56:46 < drzacek> I see 2022-07-19T12:56:47 < jpa-> but with the low power usage anyway, it doesn't always matter that much 2022-07-19T12:57:12 < drzacek> it makes the design somewhat more complicate 2022-07-19T12:57:13 < drzacek> d 2022-07-19T12:57:24 < drzacek> and bigger, which is even worse. need something smol 2022-07-19T12:57:39 < jpa-> yeah, i have never bothered 2022-07-19T12:57:42 * drzacek thinks how to source the l452re non-p mcus 2022-07-19T12:57:47 < jpa-> even in low power applications i just sleep the MCU instead 2022-07-19T12:58:07 < jpa-> how to source any STM32 these days ;) 2022-07-19T12:58:09 < drzacek> jpa-, I ordered those nucleos last year, and went for the -P variant due to microUSB. the other one had miniUSB... 2022-07-19T12:58:27 < drzacek> jpa-, not even buying nucleo to desolder is easy these days 2022-07-19T13:03:12 < jpa-> soon we may have to resort to starting a war to steal washing machines to get chips from 2022-07-19T13:23:43 < drzacek> wait a minute 2022-07-19T13:23:56 < drzacek> is this what's this was about? 2022-07-19T13:24:01 < drzacek> *mind blown* 2022-07-19T13:37:41 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-19T13:37:41 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-19T13:39:15 -!- specing_ is now known as specing 2022-07-19T14:23:31 < drzacek> so I opened both nucleos in new stm32cubeide projects and compared the pinout. it looks mostly similar, with few small changes - it automatically means that they are not pin compatible, but the layout is not done yet so I guess it don't matter. I just need to check if all my pins are there and have same function and I guess I should be good 2022-07-19T14:23:52 < drzacek> now the other question is - is there a way to port cubeide project to other MCU? 2022-07-19T14:24:13 < drzacek> there should be no conflicts, PB1 is PB1, PC9 is PC9, so in theory it could work 2022-07-19T14:24:29 < drzacek> instead of creating a new one and setting everything up by hand accordingly? 2022-07-19T14:29:24 < Steffanx> AFAIK there is no official way 2022-07-19T14:29:31 < Steffanx> Not last time I asked google. 2022-07-19T14:44:39 < mawk> I should make my stm32cubeide docker image public 2022-07-19T14:44:44 < mawk> then ST will come at me with a nice lawsuit 2022-07-19T14:45:34 < mawk> drzacek: copy the old source files to a freshly generated source from cubemx 2022-07-19T14:45:42 < mawk> if everything is similar it should work 2022-07-19T14:45:53 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-19T14:47:51 < drzacek> by first code generation it will be gone 2022-07-19T14:51:35 < mawk> ? 2022-07-19T14:51:38 < mawk> why drzacek 2022-07-19T14:51:41 < mawk> I mean copy your own code 2022-07-19T14:51:51 < mawk> and regenerate the setup code from cubemx for the new chip 2022-07-19T14:51:58 < mawk> like configure the new chip like the old chip was 2022-07-19T14:52:01 < mawk> then generate the code 2022-07-19T14:52:05 < mawk> then copy the user code 2022-07-19T14:52:13 < mawk> between BEGIN USER CODE and END USER CODE 2022-07-19T14:59:19 < drzacek> well I have my code, my functions etc in separate files, I can copy those, not a problem 2022-07-19T14:59:32 < drzacek> but still need to configure all pins, timers, uarts etc in cubemx 2022-07-19T14:59:38 < drzacek> I think it's not THAT bad 2022-07-19T15:00:15 < drzacek> just thought that it would be nice if there was some one-click solution for migration 2022-07-19T15:16:56 < Laurenceb> nsfl https://www.youtube.com/watch?v=xW_ooS1-VfA 2022-07-19T15:21:19 < Laurenceb> probably fake 2022-07-19T15:21:42 < mawk> why are you sharing nsfl likes here?¿ 2022-07-19T15:25:10 -!- witx [~witx@a94-132-168-30.cpe.netcabo.pt] has quit [Ping timeout: 260 seconds] 2022-07-19T15:27:03 -!- mode/##stm32 [+o englishman] by ChanServ 2022-07-19T15:27:12 -!- Laurenceb was kicked from ##stm32 by englishman [Laurenceb] 2022-07-19T15:27:17 -!- mode/##stm32 [+b Laurenceb!*@*] by englishman 2022-07-19T15:27:24 -!- mode/##stm32 [-o englishman] by englishman 2022-07-19T15:33:51 < drzacek> what;s an 'l'? 2022-07-19T15:34:28 < PaulFertser> life ? 2022-07-19T15:47:06 < zyp> jpa-, released orbtrace 1.1 with the swo support last night: https://github.com/orbcode/orbtrace/releases/tag/v1.1.0 2022-07-19T16:16:25 < mawk> not safe for life 2022-07-19T16:25:10 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-19T16:27:04 < jpa-> zyp: great 2022-07-19T16:51:24 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-19T17:13:17 -!- kraiskil_ [~kraiskil@45.9.249.36] has joined ##stm32 2022-07-19T17:18:25 < Steffanx> Cool zyp. Now I must try it soon. 2022-07-19T17:18:52 -!- kraiskil_ [~kraiskil@45.9.249.36] has quit [Ping timeout: 268 seconds] 2022-07-19T17:29:22 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-19T17:39:10 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 240 seconds] 2022-07-19T17:42:12 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-19T17:46:44 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 255 seconds] 2022-07-19T18:33:16 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-19T19:27:16 < jadew> zyp, communication is important and our societal norms are built around that (both on communication and what you have in your pants) 2022-07-19T19:28:35 < jadew> also, people don't like being lied to 2022-07-19T19:29:10 -!- machinehum [~machinehu@2604:3d08:937f:cf00::1560] has joined ##stm32 2022-07-19T19:29:33 < jadew> and there's also a lot to say about people who lie to others, even if it's because of a mental illness - you would be less likely to let your kids in their care for example 2022-07-19T19:29:37 < jadew> if you knew that is 2022-07-19T19:30:44 < jadew> so, while I don't care what they do in private, with what they have in their pants, I do care when I'm lied or when I'm forced to accept and confirm a distorted reality 2022-07-19T19:31:58 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-19T19:33:16 < jadew> and I'm not even going to get into the indoctrination aspect of it, which actually changes society based on ideas that are demonstrably wrong 2022-07-19T19:34:03 < jadew> might not be clear, from what I'm saying, but I'm all for gay marriage and all of that 2022-07-19T19:34:40 < jadew> s/clear, from/clear from/ 2022-07-19T19:37:06 < jadew> https://www.opindia.com/2022/07/woke-concepts-gender-activists-stop-anthropologists-from-marking-human-remains-as-male-or-female/ 2022-07-19T19:38:45 < jadew> zyp, btw, thanks for clearing that up regarding the article 2022-07-19T19:44:40 < jpa-> heh, that article that is based on some twitter thread by a student seems to even misrepresent what the twitter thread says 2022-07-19T19:44:56 < jpa-> if that is the kind of stuff jadew reads, i'm not surprised by the opinions they hold 2022-07-19T19:45:25 < jadew> it's not... I just came across that, but I didn't find it surprising 2022-07-19T19:46:10 < jadew> do you have a screenshot of the actual tweets? 2022-07-19T19:46:15 < jpa-> the twitter thread even begins by "you might know the argument that.... Let me tell you why that's bullshit." and then elaborates how the problems in current archeology are quite minimal in this regard and are being improved 2022-07-19T19:46:25 < jpa-> there is a link there, https://web.archive.org/web/20220705105837/https://twitter.com/EmmaPalladino/status/1543800316352667648 2022-07-19T19:47:15 < jpa-> and somehow that student's "here is how archeology works and that is ok" gets twisted to "woke activists want to stop this!!!" 2022-07-19T19:48:43 < jadew> who is she arguing this for? 2022-07-19T19:49:37 < jpa-> it appears to be directed for their "trans+non-binary friends" 2022-07-19T19:49:50 < jadew> who seem to be upset by that 2022-07-19T19:49:58 < jpa-> where? 2022-07-19T19:50:20 < jadew> hold on, I'm still unpacking 2022-07-19T19:50:28 < jadew> I think she's going against that particular argument 2022-07-19T19:50:32 < jadew> and trying to debunk it 2022-07-19T19:51:13 < jadew> the implication being that that argument is being made in debates: "Archeologists will still label you male/female when they find your bones." 2022-07-19T19:51:29 < jadew> and what follows is her attack on that argument, let me read it again 2022-07-19T19:51:48 < jpa-> yeah, that's some of the regular stupid shit that trans-deniers blab 2022-07-19T19:52:18 < jadew> she starts with this: "Firstly: gender + queer archaeologists and scholars have been working for decades to unpack assumptions that archaeologists make about gender and identity, both today and in the past." 2022-07-19T19:52:36 < jadew> meaning that trans activists are indeed trying to change the way remains are identified 2022-07-19T19:53:10 < jadew> there's also this guy at the bottom, proving the point: "One of the first things we learned in 2nd Yr Archaeology was how gender is a social construct....and that was in the mid 2000s" 2022-07-19T19:53:30 < jpa-> why do you think they are activists, if they are just archaeologists working to advance their field of study? 2022-07-19T19:53:30 < jadew> the "social construct" nonsense is just that, nonsense, because everything is a social construct 2022-07-19T19:54:07 < jadew> jpa-, because they're promoting a false ideology 2022-07-19T19:54:08 < jpa-> it just means "don't make assumptions, things can and have changed" 2022-07-19T19:54:27 < jadew> but ok, let's assume they're not, and they just got fooled by it and can't see it 2022-07-19T19:54:35 < jpa-> jadew: so people who are wrong are activists? 2022-07-19T19:54:37 < jadew> that still means that there's change enacted in the world based on that ideology 2022-07-19T19:54:46 < jadew> jpa-, no, I granted you that point 2022-07-19T19:55:35 < jpa-> so what negative change do you think is being enacted? 2022-07-19T19:55:58 < jadew> if they manage to actually change how things are labeled, then that 2022-07-19T19:56:17 < jpa-> and that tweet chain is certainly not trying to change the field of archeology, it is just debunking this "disproving" argument https://talesoftimesforgotten.com/2022/03/26/can-archaeologists-really-disprove-a-transgender-persons-gender-using-their-skeleton/ 2022-07-19T19:56:50 < jadew> yeah, the article is indeed twisting it, and kind of reading between the lines 2022-07-19T19:57:01 < jpa-> jadew: do you think that every possible change in skeleton labeling is necessarily negative? or are you just assuming that blindly? 2022-07-19T19:57:36 < jadew> you can come to correct conclusions based on wrong premises, but that's more unlikely and less productive than just working with correct premises 2022-07-19T19:57:53 < jadew> there's no need for garbage in the scientific world 2022-07-19T19:58:41 < jpa-> are you claiming that feelings of "wrong gender" are not an actual human phenomenon that affects the lives of people and has done so in the past also? 2022-07-19T19:58:59 < jadew> I'm not, I believe that is 100% real 2022-07-19T19:59:07 < jadew> but that's called psychosis 2022-07-19T19:59:34 < jpa-> so, do you think that archeologists should for some reason disregard that very real phenomenon in their studies, just because you disagree with some people who have those feelings in modern age? 2022-07-19T19:59:41 < jadew> if I feel like I'm the king of france, it's also called psychosis, it doesn't mean I'm actually the king of france and everyone has to treat me like that 2022-07-19T20:00:21 < jpa-> and if you feel like people of france should be free and decide for themselves instead of being under the rule of a hereditary aristocrasy, are you also crazy? 2022-07-19T20:00:29 < jadew> jpa-, I'm saying it bares no weight when identifying the sex of remains 2022-07-19T20:00:52 < jadew> jpa-, that's a different kind of belief 2022-07-19T20:00:59 < jadew> it's a political one 2022-07-19T20:01:26 < jpa-> yes, exactly like trans-views are 2022-07-19T20:01:35 < jpa-> political, requesting change in laws and behavior of society 2022-07-19T20:01:36 < jadew> no, trans views are about who you believe you are 2022-07-19T20:01:40 < jadew> and that's not for you to say 2022-07-19T20:02:19 < jpa-> uh, you are now trying to deny the right to believe your own self-view? 2022-07-19T20:02:39 < jadew> you have your right to believe your own self-view, but you don't have the right I believe your own self-view 2022-07-19T20:02:48 < jadew> *the right to make me believe 2022-07-19T20:03:37 < jpa-> and have any actual changes required you to do so? or is this just some bad news based on twitter thread that has crumbled your chips again? 2022-07-19T20:04:20 < jpa-> so far the changes are mostly on "you have to threat others like human beings even if you don't agree with their self-view" level 2022-07-19T20:04:26 < jadew> Romania is in the spotlights for it's less than progressive views these days 2022-07-19T20:05:07 < jadew> the changes will be that they will teach this crap to kids in schools 2022-07-19T20:05:48 < jadew> confusing kids, rather than offering them clarity 2022-07-19T20:06:05 < jpa-> is that just your prediction? 2022-07-19T20:06:13 < jadew> I'm already seeing this 2022-07-19T20:06:32 < jpa-> here when i was child, they still taught religion in schools.. confusing as heck, but no permanent harm 2022-07-19T20:07:00 < jpa-> (as in taught "this is how things are", not "this is how some people believe") 2022-07-19T20:07:59 < jadew> that's because religion is tightly tied to our morality as a society, so while not relevant anymore, religion doesn't destroy the social fabric 2022-07-19T20:07:59 < jpa-> if you are worried about the ways things are taught, you might want to argue that point and try to improve the teaching methods in your local area, instead of trying to fight against a worldwide human rights movement 2022-07-19T20:08:36 < jpa-> social fabric has to adapt all the time, stuff like religion forbidding contraception is certainly harmful 2022-07-19T20:08:46 < jadew> I totally agree 2022-07-19T20:09:17 < jadew> and you might be right about pissing against the wind too 2022-07-19T20:09:23 < jadew> but tbh, I'm not trying to fight it 2022-07-19T20:09:47 < jadew> I'm just having a conversation and if things change too much, I don't care 2022-07-19T20:10:03 < jadew> I'll still see things the way they are 2022-07-19T20:10:48 < jpa-> i agree that there are certainly too-extreme sides of the trans rights movement, but typically they don't get that far in the actual legislation.. and after all, in almost any political movement, there are disagreeable parts 2022-07-19T20:11:56 < jpa-> even with binary sex, it is worthwhile not to focus on the gender of people - compare with the way some men see all women as "things to look at" etc. 2022-07-19T20:13:56 < jadew> we're wired to do that tho 2022-07-19T20:14:25 < jadew> time for dinner, ttyl 2022-07-19T20:14:39 < jpa-> that's pretty degrading to men :) 2022-07-19T20:15:16 < jpa-> i believe that most people are able to think non-sex thoughts for most of their daily lives, even without gender segregation 2022-07-19T20:17:00 < jpa-> but i can see how the changes in world can be problematic for some - clothing and nudity are much more relaxed than in 1950s, while sexual harassment is no longer tolerated 2022-07-19T20:17:38 < jpa-> apparently it used to be "ok" to slap a secretary's butt when you got turned out by her knee-length skirt 2022-07-19T20:22:58 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-19T20:30:27 < zyp> Steffanx, indeed, let me know how it works for you 2022-07-19T20:35:08 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-19T20:36:21 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-19T20:38:03 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has joined ##stm32 2022-07-19T20:38:19 < kaki> what did lurencer share this time? 2022-07-19T20:41:08 < BrainDamage> cannibalism, judging from the title, not opening it tho 2022-07-19T20:44:52 < kaki> was it part of indigenous culture? 2022-07-19T20:46:05 < jpa-> it was from lb's home video collection 2022-07-19T20:46:58 < kaki> yes that was another option 2022-07-19T21:10:42 -!- josuah [~irc@46.23.94.12] has quit [Quit: WeeChat 3.4.1] 2022-07-19T21:11:03 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-19T21:11:03 -!- josuah [~irc@46.23.94.12] has quit [Client Quit] 2022-07-19T21:14:46 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-19T21:14:51 -!- josuah [~irc@46.23.94.12] has quit [Client Quit] 2022-07-19T21:26:52 -!- josuah [~irc@46.23.94.12] has joined ##stm32 2022-07-19T21:30:02 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-19T21:31:29 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-19T21:35:15 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-19T21:42:45 < kaki> catphish: are there any hybrid builders in EV community? 2022-07-19T21:44:12 < BrainDamage> I'd imagine that'd be rarer since you'd need skillsets for both types of engines 2022-07-19T21:45:18 < kaki> EVs nowdays are pretty much "mix the ingredients and done" 2022-07-19T21:46:45 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 2022-07-19T21:51:41 < kaki> gs450h transmission in smaller lighter car would allow interesting performance options 2022-07-19T21:52:01 < kaki> first is to keep engine running at peak power 2022-07-19T21:52:48 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-19T21:53:25 < kaki> as transmission ratios are electrical those can be changed virtually instantly 2022-07-19T21:54:00 < kaki> engine can be spooled up to maximum power rpm instantly using momemtum from wheels or electrical power 2022-07-19T22:04:45 < BrainDamage> transmission ratios being electrical? the few hybrid I saw still had the engine bolted to the driveshaft 2022-07-19T22:04:53 < BrainDamage> and electrical being parallel 2022-07-19T22:05:13 < BrainDamage> or do you mean that storage/release effect of the motor gives equivalent to a transmission? 2022-07-19T22:07:58 < kaki> gs450h transmission is "eCVT" 2022-07-19T22:09:44 < kaki> it has multiplate clutch for 2 speed ranges and neutral 2022-07-19T22:10:05 < BrainDamage> oh, cvt 2022-07-19T22:10:37 < kaki> otherwise it's planetary gears and 2 electric motors to vary the ratio 2022-07-19T22:15:26 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-19T22:50:26 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-19T22:53:02 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Quit: Konversation terminated!] 2022-07-19T22:53:45 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-19T22:54:20 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 268 seconds] 2022-07-19T22:54:35 < catphish_> car almost finished! just need to re-attach bodyshell! 2022-07-19T22:55:11 < BrainDamage> did body shell detach by itself? 2022-07-19T22:55:16 < catphish_> no 2022-07-19T23:06:28 < qyx> so, time to reconnect my modbuzz 2022-07-19T23:12:11 < Steffanx> Managed to do the write multiple yet? 2022-07-19T23:16:35 -!- RAMIII [~RAMIII@user/RAMIII] has joined ##stm32 2022-07-19T23:18:33 < upgrdman> anyone know of a usb-c/tb dock with 2.5G ethernet? 2022-07-19T23:18:51 < upgrdman> or, well, anything >1G ethernet. 5G or 10G is fine :) 2022-07-19T23:27:27 < qyx> Steffanx: yes it works, great 2022-07-19T23:27:34 < qyx> mbpoll -a 1 -b 115200 -P none -t 4 -0 -r 36867 -s 1 -o 0.2 -1 -R /dev/ttyUSB0 6400 5800 5800 5520 5520 5520 5280 5040 4880 4800 4400 4240 2022-07-19T23:27:37 < qyx> also karlp ^ 2022-07-19T23:27:48 < qyx> the charger is accepting the values 2022-07-19T23:34:20 < karlp> great, glad it's working for you :) 2022-07-19T23:45:20 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 --- Day changed ke heinä 20 2022 2022-07-20T00:14:10 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-20T00:18:43 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-20T00:19:12 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-20T00:23:43 -!- kiki_lamb [~kiki_lamb@198-91-209-245.cpe.distributel.net] has quit [Quit: leaving] 2022-07-20T00:38:20 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-20T01:06:03 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-20T01:37:28 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-20T01:37:28 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-20T01:39:03 -!- specing_ is now known as specing 2022-07-20T02:10:33 < machinehum> PaulFertser: I need your help 2022-07-20T02:10:39 < machinehum> wtf is this? https://www.usbdev.ru/files/smi/smimptool/ 2022-07-20T02:15:39 < zyp> looks like some shit to fuck around with 16 usb memory sticks at one 2022-07-20T02:15:41 < zyp> once* 2022-07-20T02:37:08 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T02:37:15 < machinehum> Yeah I found the English equivalent, it's a vendor specific tool for factory provisioning 2022-07-20T02:40:03 < machinehum> How do you guys think this is powered... In section 1.2 it mentions a 5V/3.3 and 3.3V/1.2V regulators but where is the 3.3V output https://drive.google.com/file/d/193J7YzQjjUc21fYkW3HPsxuHFZjPfM14/view?usp=sharing 2022-07-20T02:40:37 < machinehum> It marks pins 33/34 and power intput/output which doesn't make any sense 2022-07-20T02:41:35 < machinehum> V12_PAD is clearly the 1.2V output which you can use to power Vdd, while VCCAH5 is clearly the 5V input 2022-07-20T02:42:27 < machinehum> Oh I suppose you could bypass the 5V to 3.3 LDO and power straight into the V33_PAD 2022-07-20T02:42:41 < machinehum> Making it somewhat of an input and output 2022-07-20T03:23:15 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 260 seconds] 2022-07-20T03:25:03 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 276 seconds] 2022-07-20T03:36:45 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-20T04:29:22 -!- kaki [~kaki@188-67-181-92.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-20T04:35:50 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-20T04:42:23 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-20T04:46:49 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-20T04:49:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-20T04:55:46 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-20T05:05:01 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-20T05:34:52 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-20T06:41:38 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 272 seconds] 2022-07-20T07:09:41 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] 2022-07-20T07:11:34 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-20T07:20:12 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-20T08:39:33 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-20T08:54:03 -!- fengdaolong [~fengdaolo@171.83.6.154] has joined ##stm32 2022-07-20T08:55:09 -!- fengdaolong [~fengdaolo@171.83.6.154] has quit [Client Quit] 2022-07-20T09:01:37 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-20T09:55:18 < PaulFertser> machinehum: indeed that's a vendor tool to deal with USB flash mass storage devices based on some SMI controllers. 2022-07-20T10:00:14 < PaulFertser> Sometimes those devices need reflashing or NAND reinitialisation to get it out of read-only mode etc. 2022-07-20T10:31:06 -!- mannerism [~tic@107.191.100.185] has quit [Remote host closed the connection] 2022-07-20T10:32:44 -!- mannerism [~tic@107.191.100.185] has joined ##stm32 2022-07-20T10:37:53 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 255 seconds] 2022-07-20T10:38:17 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-20T10:59:28 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 268 seconds] 2022-07-20T10:59:58 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-20T11:35:20 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-20T11:53:39 < drzacek> hello 2022-07-20T11:53:46 < drzacek> I'm back with more dumb questions 2022-07-20T11:54:24 < drzacek> how does the stm32 (L452 in my case) generates it's clock base? 2022-07-20T11:54:35 -!- rektide_ [~rektide@eldergods.com] has quit [Ping timeout: 256 seconds] 2022-07-20T11:54:35 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has quit [Ping timeout: 256 seconds] 2022-07-20T11:55:04 < drzacek> I thought, that mcus in generally either need external crystal, and along with internal circuitry they make oscilator, or they can go without and do some slower clock on their own internally 2022-07-20T11:55:07 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has joined ##stm32 2022-07-20T11:55:26 -!- rektide [~rektide@eldergods.com] has joined ##stm32 2022-07-20T11:56:05 < drzacek> am looking at the STM32Cube config, and there is this BYPASS option - how I understand it, it can take the clock signal from extern. Like, not trying to generate it on its own, just take what's already been done. not sure how, either from other mcu? or some special circuitry that does that? 2022-07-20T11:56:27 < jpa-> drzacek: all STM32's have internal oscillator option that can be used without external crystal 2022-07-20T11:56:48 < jpa-> it is not that accurate though, +-1% typically vs. +-0.01% for crystal 2022-07-20T11:57:39 < drzacek> right 2022-07-20T11:57:44 < jpa-> and yes, the bypass is for external oscillator (for example, TCXO chip for very accurate clock) 2022-07-20T11:58:03 < drzacek> I am looking at my nucleo board here, and I think this is crystal, along with load capacitors https://imgur.com/a/gBglfnf 2022-07-20T11:58:14 < jpa-> yeah 2022-07-20T11:58:21 < drzacek> so why is the nucleo project by default configured into BYPASS, instead of external crystal? 2022-07-20T11:58:46 < jpa-> is that crystal near the stlink MCU or for the main MCU? 2022-07-20T11:59:08 < jpa-> some nucleos only have crystal for the stlink and then take output from that and feed it to the main MCU, allows them to save $0.10 2022-07-20T11:59:31 < drzacek> jpa-, yeah, I remember from few months ago when I did some other kicad project - the calculation for the *right* load capacitor values is super complex, and I understood jackshit, then I was told "nah just do it this n this and it will be okayish", so that external calibrated crystal has advantage of being accurate and not having to calculate caps 2022-07-20T11:59:37 < drzacek> but I don't think this is the case here? 2022-07-20T11:59:44 < drzacek> jpa-, main mcu 2022-07-20T12:00:47 < drzacek> but the nucleos are design to crap the board in half and throw st-link away 2022-07-20T12:00:49 < jpa-> in this photo i don't see it https://fi.farnell.com/productimages/large/en_GB/2677824-40.jpg 2022-07-20T12:00:59 < drzacek> not sure why would anyone do that, but they are prepared for that 2022-07-20T12:01:26 < drzacek> https://imgur.com/a/Je33zVG 2022-07-20T12:01:35 < drzacek> hmmm 2022-07-20T12:01:51 < drzacek> I guess yet another diff between l452re and l452re-p 2022-07-20T12:01:58 < jpa-> perhaps cube project is for different version then 2022-07-20T12:02:22 < drzacek> wait, the project I have open is for the -P variant 2022-07-20T12:03:30 < drzacek> wait, this could be 32k crystal, then it's fine 2022-07-20T12:03:37 < jpa-> ah, yeah, it's probably that 2022-07-20T12:03:38 < drzacek> so where does it take it's clock? stlink? 2022-07-20T12:03:42 < jpa-> yes 2022-07-20T12:03:49 < drzacek> what will happen when I break the stlink part away? 2022-07-20T12:03:51 < jpa-> the schematics on ST site show that the 8MHz crystal is not assembled by default 2022-07-20T12:03:57 < jpa-> it won't get external clock 2022-07-20T12:04:04 < drzacek> then it's a dumb design 2022-07-20T12:04:19 < jpa-> meh, if you want that, you can use internal clock or solder on the crystal 2022-07-20T12:04:21 < drzacek> I mean, I don't know why would anyone break it away, but they explicitly say it in docs that it is an option 2022-07-20T12:04:50 < drzacek> well I want to make own pcb and steal that stm32 from the board 2022-07-20T12:05:08 < jpa-> so what do you care? 2022-07-20T12:05:34 < drzacek> just trying to clear some things I stumbled upon 2022-07-20T12:13:28 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 268 seconds] 2022-07-20T12:13:30 < drzacek> I got a comment on my old schematic that says "16:14 < zyp> rule of thumb, C1 and C2 should be 2*Cl minus some for the stray capacitance", I assume it's still valid? 2022-07-20T12:17:36 < jpa-> sure 2022-07-20T12:22:44 < mawk> people would break it away to get a standalone stlink 2022-07-20T12:56:21 < drzacek> mawk, it provides the signals on that 2.54 header too? 2022-07-20T12:56:32 < drzacek> okay, that's an explanation, ok 2022-07-20T12:56:53 < mawk> yeah 2022-07-20T12:57:04 < mawk> you can also use it as a standalone stlink without breaking away 2022-07-20T12:57:08 < mawk> just remove the two jumpers near the USB port 2022-07-20T12:57:12 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 272 seconds] 2022-07-20T12:57:24 < mawk> it doubles as a usb to serial adapter too 2022-07-20T12:57:29 < mawk> but for that you need to keep the MCU in reset 2022-07-20T12:57:44 < mawk> or make sure nothing is running on the MCU and it doesn't hold the uart pins 2022-07-20T13:10:00 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-20T13:15:58 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-20T13:23:39 < benishor> https://neal.fun/absurd-trolley-problems/ 2022-07-20T13:29:34 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-20T13:38:00 -!- specing [~specing@user/specing] has quit [Ping timeout: 276 seconds] 2022-07-20T13:38:10 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-20T13:39:27 < drzacek> benishor, nice, kill count 70 2022-07-20T13:39:48 -!- specing_ is now known as specing 2022-07-20T13:40:29 < drzacek> I dislike the trolley problems. I don't think it reviews the decisions properly - whenever there was unclear situation, morally doubtfull etc, I just decided to do nothing - doint nothing is better than actively trying to do something that might end up being worse 2022-07-20T13:41:09 < drzacek> but it doesn't see "I chose to do nothing", it sees "I decided to kill person X vs Y" which was not the case 2022-07-20T13:41:20 < drzacek> anyways, what do you do with GPIO that are not used? 2022-07-20T13:41:33 < drzacek> do I need to connect them to ground on pcb? 2022-07-20T13:43:58 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 240 seconds] 2022-07-20T13:45:38 < mawk> no 2022-07-20T13:45:51 < mawk> you can leave them disconnected 2022-07-20T13:45:57 < mawk> and put them in analog mode in the code 2022-07-20T13:46:00 < mawk> to disconnect input buffer 2022-07-20T13:46:32 < drzacek> wont it read some random floating value tho? 2022-07-20T13:46:40 < mawk> why? 2022-07-20T13:46:45 < mawk> are you planning on reading from them? 2022-07-20T13:47:00 < mawk> if you leave them alone in analog mode nothing will happen 2022-07-20T13:47:44 < mawk> or ground them if you prefer, it doesn't really make a difference 2022-07-20T13:48:28 -!- Posterdati [~posterdat@user/Posterdati] has quit [Remote host closed the connection] 2022-07-20T13:49:01 < drzacek> well grounding would make the pcb layout more complex 2022-07-20T13:49:06 < drzacek> a bit 2022-07-20T13:49:30 < drzacek> well I dont intend to read them, but still - wont there be noise? 2022-07-20T13:55:22 < Steffanx> You care about power consumption? If yes, analog input is the best I recall. Otherwise just use Internal pullup/down or set it output something. 2022-07-20T13:55:57 < Steffanx> Mawk, random question of the day: my pupils are huuuge atm. What drug did I use? 2022-07-20T14:01:24 < jadew> funny trolley problems 2022-07-20T14:01:50 < jadew> 12% of people would rather let someone die than get their amazon package late - I think 12% were trolling 2022-07-20T14:04:51 < mawk> Steffanx maybe mushrooms 2022-07-20T14:04:53 < mawk> if it's analog input the input buffer is disconnected drzacek 2022-07-20T14:04:55 < mawk> so nothing is reading anything 2022-07-20T14:04:57 < mawk> so it can be floating no problem 2022-07-20T14:05:20 < mawk> my pupils get so dilated that you can only see black in my eyes when I'm in opiate withdrawal Steffanx 2022-07-20T14:07:34 < drzacek> ok thx 2022-07-20T14:07:58 < mawk> there is the COWS scale to measure withdrawal 2022-07-20T14:09:12 < mawk> https://nida.nih.gov/sites/default/files/ClinicalOpiateWithdrawalScale.pdf 2022-07-20T14:09:28 < mawk> I think my highest record is around 40 2022-07-20T14:10:16 < jadew> kill count: 65 2022-07-20T14:10:33 < mawk> the maximum is 49 2022-07-20T14:11:05 < mawk> which is the "please kill me now" state 2022-07-20T14:17:34 < mawk> it's the only time in my life I considered calling the ER 2022-07-20T14:18:01 < mawk> not because it was life threatening, I would've been fine without care, but because it was so painful 2022-07-20T14:22:31 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-20T14:31:40 < Laurence_b> suppp 2022-07-20T16:04:48 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-20T16:27:49 -!- CygniX_ [~CygniX@2a01:8740:1:727:4e:80:7f:2d] has left ##stm32 [Konversation terminated!] 2022-07-20T16:40:46 -!- cygnix [~CygniX@2a01:8740:1:727:4e:80:7f:2d] has joined ##stm32 2022-07-20T16:43:19 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T17:01:04 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-20T17:37:13 < Steffanx> Hah no mushrooms mawk. Eye drops from the eye specialist to relax the muscles of the iris. ;) 2022-07-20T17:38:59 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-20T17:39:38 < PaulFertser> Steffanx: https://en.wikipedia.org/wiki/Atropine ? 2022-07-20T17:41:25 < drzacek> Steffanx, ouch 2022-07-20T17:41:34 < Steffanx> Something like that yes 2022-07-20T17:42:39 < Steffanx> Not sure if it was exactly that PaulFertser. Was just for some tests. 2022-07-20T17:53:39 < PaulFertser> Steffanx: it's often used to get better view of the retina. 2022-07-20T17:54:28 < Steffanx> Yes 2022-07-20T18:04:21 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-20T18:06:49 -!- jadew [~rcc@user/rcc] has quit [Ping timeout: 268 seconds] 2022-07-20T18:15:15 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-20T18:18:42 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-20T18:19:24 -!- jadew [~rcc@5-12-181-118.residential.rdsnet.ro] has joined ##stm32 2022-07-20T18:23:20 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-20T18:24:39 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 276 seconds] 2022-07-20T19:11:51 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-20T19:25:43 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-20T19:50:30 -!- machinehum [~machinehu@2604:3d08:937f:cf00::1560] has quit [Ping timeout: 264 seconds] 2022-07-20T19:52:30 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has joined ##stm32 2022-07-20T20:00:30 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-20T20:03:21 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T20:04:00 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-20T20:04:28 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T20:05:32 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-20T20:06:31 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T20:07:02 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-20T20:09:37 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-20T20:09:37 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-20T20:11:08 -!- specing_ is now known as specing 2022-07-20T20:42:15 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-20T20:47:31 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-20T21:03:17 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-20T21:43:42 -!- upgrdman [~upgrdman@47.180.47.55] has joined ##stm32 2022-07-20T21:57:40 -!- rajkosto [~rajkosto@93-86-163-111.static.isp.telekom.rs] has joined ##stm32 2022-07-20T22:06:11 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-20T22:14:08 -!- kaki [~kaki@178-55-34-200.bb.dnainternet.fi] has joined ##stm32 2022-07-20T22:23:02 -!- hackkitten [~hackkitte@2a00:6020:5090:5700:5974:c4eb:c9c6:4849] has quit [Ping timeout: 255 seconds] 2022-07-20T22:36:30 -!- mouseghost [~draco@user/mouseghost] has joined ##stm32 2022-07-20T22:36:35 -!- kaki [~kaki@178-55-34-200.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-20T23:07:27 -!- kaki [~kaki@178-55-34-200.bb.dnainternet.fi] has joined ##stm32 2022-07-20T23:31:31 < Steffanx> Kaki. 2022-07-20T23:32:00 < kaki> Papa Steff 2022-07-20T23:32:39 < specing> loool 2022-07-20T23:34:52 < Steffanx> No those times are over. 2022-07-20T23:35:39 < Steffanx> Kaki must stand on his own feet now. 2022-07-20T23:35:50 < Steffanx> Two feet* 2022-07-20T23:36:03 < kaki> yes 2022-07-20T23:42:18 < ds2> does anyone know any legitimate users of digital cesspol? 2022-07-20T23:44:01 < Steffanx> The what? 2022-07-20T23:44:25 < ds2> it is an ISP that seems to do nothing but source script kiddies 2022-07-20T23:55:34 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-20T23:58:47 < BrainDamage> digital oceaon 2022-07-20T23:58:50 < BrainDamage> ocean* 2022-07-20T23:59:13 < BrainDamage> it scrapes the bottom of the barrel because it's cheap --- Day changed to heinä 21 2022 2022-07-21T00:02:27 < karlp> but still plenty of people using it. 2022-07-21T00:09:27 < mouseghost> BrainDamage, its expensive 2022-07-21T00:12:50 < karlp> compard to what? 2022-07-21T00:15:48 < mouseghost> vultr 2022-07-21T00:15:57 < mouseghost> hetzner 2022-07-21T00:27:02 < karlp> not by any meaningful amount... 2022-07-21T00:35:09 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 276 seconds] 2022-07-21T00:49:43 < Mangy_Dog> https://twitter.com/MD_Builds/status/1549873373169205251 2022-07-21T01:04:53 < sauce> think DO is the best cheap IaaS vendor for some regions specifically 2022-07-21T01:13:34 -!- rkta [~rkta@vps12297460.delta-networks.de] has quit [Remote host closed the connection] 2022-07-21T01:13:43 -!- rkta [~rkta@vps12297460.delta-networks.de] has joined ##stm32 2022-07-21T01:26:13 < ds2> are there any legitimate users of the cesspool? seems like they have scriptkiddies coming out of every single block assigned to them 2022-07-21T01:27:18 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 240 seconds] 2022-07-21T01:37:50 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-21T01:37:58 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-21T01:39:36 -!- specing_ is now known as specing 2022-07-21T01:45:41 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-21T01:56:43 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 268 seconds] 2022-07-21T02:06:39 -!- hackkitten [~hackkitte@94.31.101.136] has joined ##stm32 2022-07-21T02:14:42 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-21T02:27:08 < karlp> of course there are. every IAAS has abusers out their ears. 2022-07-21T02:33:07 < catphish_> pretty hard to run IAAS without doing battle with spammers :( 2022-07-21T02:50:00 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-21T03:11:50 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-21T03:24:34 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-21T03:47:00 -!- mouseghost [~draco@user/mouseghost] has quit [Quit: mew wew] 2022-07-21T03:47:01 -!- toluene6 [~toluene@user/toulene] has joined ##stm32 2022-07-21T03:47:56 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-21T03:47:56 -!- toluene6 is now known as toluene 2022-07-21T04:30:30 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-21T04:44:18 -!- rajkosto [~rajkosto@93-86-163-111.static.isp.telekom.rs] has quit [Read error: Connection reset by peer] 2022-07-21T04:59:29 -!- drfff [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-21T05:07:22 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-21T05:27:39 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-21T05:33:20 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-21T05:36:43 -!- toluene5 [~toluene@user/toulene] has joined ##stm32 2022-07-21T05:36:57 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-21T05:36:57 -!- toluene5 is now known as toluene 2022-07-21T05:42:35 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-21T05:58:44 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-21T06:13:44 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-21T06:26:44 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-21T06:48:00 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Read error: Connection reset by peer] 2022-07-21T07:04:26 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 268 seconds] 2022-07-21T07:05:40 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-21T07:07:35 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-21T07:08:21 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-21T07:11:50 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 268 seconds] 2022-07-21T07:18:50 -!- Steffann [~steffanx@user/steffanx] has joined ##stm32 2022-07-21T07:19:06 -!- Steffanx [~steffanx@user/steffanx] has quit [Ping timeout: 276 seconds] 2022-07-21T08:11:34 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-21T08:13:19 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-21T08:14:05 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-21T08:29:38 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-21T08:32:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-21T09:19:21 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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2022-07-21T21:59:07 < jadew> how far are you from a working product? 2022-07-21T21:59:52 < Laurence_b> many years at this rate lol 2022-07-21T22:00:01 < Laurence_b> have one wheel partially assembled 2022-07-21T22:00:20 < jadew> oh, I thought that came off of a working prototype 2022-07-21T22:00:43 < Laurence_b> there is a working prototype but it doesnt use close to realistic hardware 2022-07-21T22:00:49 < Laurence_b> that wheel is the real deal 2022-07-21T22:02:51 < Laurence_b> four of those per vehicle, thats over 5tonnes O_o 2022-07-21T22:04:21 < kaki> yeah 2022-07-21T22:04:49 < kaki> train wheels even without motors are like 1ton per axle or something 2022-07-21T22:05:12 < kaki> including the axle I guess 2022-07-21T22:07:14 < BrainDamage> are your non motor axles welded? 2022-07-21T22:14:07 < englishman> why does hyperloop need any traction at all, i thought it was to be pushed along by a pressure differential accelerating it perpetually into a frictionless vacuum at the speed of light 2022-07-21T22:14:26 < englishman> until you go back in time and arrive at your destination before you departed 2022-07-21T22:16:32 < Laurence_b> BrainDamage: LN2 cooled then pushed into the middle of the wheel 2022-07-21T22:19:09 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-21T22:33:29 < kaki> Laurence_b: is that bespoke drive unit? 2022-07-21T22:33:52 < kaki> or is it some high speed rail standard unit? 2022-07-21T22:34:29 < BrainDamage> literal spoke 2022-07-21T22:46:15 < Laurence_b> kaki: custom drive unit 2022-07-21T22:46:44 < Laurence_b> conventional railway has pairs of wheels on a single solid axel 2022-07-21T22:46:49 < kaki> yes 2022-07-21T22:46:56 < kaki> even in high speed rail? 2022-07-21T22:46:59 < Laurence_b> yeah 2022-07-21T22:47:16 < Laurence_b> this is more like a car but uses differential torque for steering 2022-07-21T22:49:00 < kaki> that is unique right? 2022-07-21T22:49:25 < kaki> all the trains before this have had passive steering? 2022-07-21T22:52:45 < BrainDamage> actually here conventional rail has distributed traction on the wheels 2022-07-21T22:53:17 < BrainDamage> while high speed instead is on two locomotors 2022-07-21T22:53:32 < kaki> interesting 2022-07-21T22:54:25 < kaki> Laurence_b: how is car structure? 2 bogies per car and 2 axles per bogie? 2022-07-21T22:54:32 < Laurence_b> no 2022-07-21T22:54:38 < Laurence_b> just two axels 2022-07-21T22:54:44 < Laurence_b> no bogies 2022-07-21T22:55:02 < kaki> articulating in which directions? 2022-07-21T22:55:37 < Laurence_b> they are two axis hinged with various suspension springs/dampers 2022-07-21T22:56:22 < kaki> what if motor on other side fails? 2022-07-21T22:56:36 < kaki> highest speed train derailment in history? 2022-07-21T22:57:25 < kaki> any limiting mechanisms for steering? 2022-07-21T22:57:37 < kaki> hard stops, dampeners? 2022-07-21T22:58:34 < kaki> adjustable stops? 2022-07-21T23:00:11 < kaki> I imagine at low speed part of tracks there can be tighter turns while on high speed parts there is only very gradual turns 2022-07-21T23:00:21 < kaki> unless the track is 100% high speed 2022-07-21T23:08:09 < Laurence_b> lol 2022-07-21T23:08:16 < Laurence_b> yeah bad news if one motor fails 2022-07-21T23:08:45 < Laurence_b> flanges should keep it on the track, also the motor is triple redundant, other two invertors could ramp up 2022-07-21T23:11:11 < BrainDamage> if it fails locked,is the friction coefficient sufficiently low to allow the rest to compensate? 2022-07-21T23:11:37 < BrainDamage> even just to spun down to a safe stop 2022-07-21T23:12:45 < Laurence_b> yeah there are lots of safe modes 2022-07-21T23:13:07 < Laurence_b> you mean if a wheel locks up completely? 2022-07-21T23:13:25 < Laurence_b> yeah that would be bad, its supposed to avoid that in software/hardware 2022-07-21T23:14:49 < BrainDamage> yes, complete wheel lock 2022-07-21T23:14:58 < BrainDamage> like it melts in place on the hub 2022-07-21T23:15:20 < BrainDamage> which, given the power levels, it's not unrealistic 2022-07-21T23:15:27 < kaki> are there bearing monitors on drive units? 2022-07-21T23:15:30 < Laurence_b> should be impossible at speed 2022-07-21T23:15:34 < Laurence_b> kaki: yeah 2022-07-21T23:15:55 < kaki> temperature, vibration? 2022-07-21T23:22:53 < Laurence_b> probably, yeah 2022-07-21T23:23:11 < Laurence_b> also commutator on the end of the stub axel to take off the DC power 2022-07-21T23:23:33 < kaki> ah ofc 2022-07-21T23:23:48 < kaki> heck that needs to work fine too 2022-07-21T23:24:07 < kaki> you don't want that current in the bearings 2022-07-21T23:24:26 < kaki> causing electric pitting 2022-07-21T23:25:34 < kaki> dc circuit isolated though? 2022-07-21T23:25:51 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 272 seconds] 2022-07-21T23:26:27 < kaki> drive unit isolated? 2022-07-21T23:26:42 < Laurence_b> no - vehicle "ground" is tied to midpoint of the +-DC off the rails through some large resistors 2022-07-21T23:27:51 < Laurence_b> it has some similarities with london underground, but 2 rails not 4 2022-07-21T23:28:15 < Laurence_b> I'm using a scrap london underground substation for a prototype 2022-07-21T23:29:15 < kaki> it has airwire? 2022-07-21T23:29:33 < kaki> your train 2022-07-21T23:30:25 < Laurence_b> no, power down the rails 2022-07-21T23:30:35 < Laurence_b> as it has stub axels its possible to do that 2022-07-21T23:35:49 < kaki> one rail is like 0 and another one is like 25kV? 2022-07-21T23:38:05 < kaki> 4kV? 2022-07-21T23:38:56 < kaki> better not have any accesories hanging under the train 2022-07-21T23:39:35 < Laurence_b> +-4kV or so 2022-07-21T23:42:00 < kaki> how is rail electric safety? 2022-07-21T23:42:10 < kaki> sections are switched ofc 2022-07-21T23:43:09 < kaki> generally harder to transpass to rail area? 2022-07-21T23:43:21 < Laurence_b> its in a hypertunnel / trespass protected zone 2022-07-21T23:43:21 < kaki> no road intersections? 2022-07-21T23:43:39 < Laurence_b> no chance, cant have level crossings with 500kph vacuum tunnel lol 2022-07-21T23:43:46 < kaki> :o 2022-07-21T23:43:52 < kaki> :O 2022-07-21T23:44:09 < kaki> it's really going into the tunnel 2022-07-21T23:44:10 < qyx> isn't one musk enough? 2022-07-21T23:44:54 < qyx> I am still waiting for the vienna-bratislava hyperloop he promised 2022-07-21T23:45:24 < kaki> has musk build anything but a 500meter gas pipe? 2022-07-21T23:45:24 < Laurence_b> this is the low tech mine cart in sewer tunnel implimentation 2022-07-21T23:47:01 < kaki> is that reference to some musk memeing? 2022-07-21T23:47:15 < zyp> heh, I'm dicking around with putting protonium on embedded and it was overflowing flash by 40k just by being included, not calling anything 2022-07-21T23:47:41 < zyp> turns out I forgot an «#include » somewhere in there after doing some printf-style debugging 2022-07-21T23:47:44 < kaki> zyp: but it wasn't inteded for embedded! 2022-07-21T23:47:45 < Laurence_b> kaki: I redesigned the original hyperloop to be actually practical 2022-07-21T23:47:58 < zyp> kaki, it was 2022-07-21T23:49:21 < kaki> Laurence_b: are you like undercover boss? 2022-07-21T23:49:24 < Laurence_b> kaki: it basically looked like this thing I'm now building 2022-07-21T23:49:48 < Laurence_b> lol no I was hired to help build this thing as I had some similar ideas independently 2022-07-21T23:51:16 < kaki> ah 2022-07-21T23:52:48 < Laurence_b> turns out that just the traction motors and traction control is very hard 2022-07-21T23:53:35 < kaki> if you ever run it on open air 2022-07-21T23:53:47 < kaki> leafs are wicked slippery 2022-07-21T23:54:43 < kaki> it sounds like meme every time when there is announcement that we are running 2hours late because there is leafs on the track 2022-07-21T23:59:31 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-21T23:59:31 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] --- Day changed pe heinä 22 2022 2022-07-22T00:01:02 -!- specing_ is now known as specing 2022-07-22T00:01:04 < specing> Laurence_b: why does it need traction? Doesen't it float on Musk's words? 2022-07-22T00:01:48 < Laurence_b> lol specing 2022-07-22T00:02:15 < kaki> Laurence_b is actually competitor of musks hyperpoop.. or is he? 2022-07-22T00:03:13 < BrainDamage> at least until musk buys the company he works in 2022-07-22T00:03:40 < specing> Musk buying a company? please.. 2022-07-22T00:03:48 < kaki> Laurence_b = Musk 2022-07-22T00:04:58 < mawk> Elon Blaxter 2022-07-22T00:05:04 < kaki> :D 2022-07-22T00:08:41 < jadew> comment on an opensource bug report: "would be nice to know how is life of the bug report opener. Is he still alive? Is he actually still using MySQL?" 2022-07-22T00:08:51 < jadew> that's because the bug was 14 years old at that point 2022-07-22T00:09:05 < jadew> it's 17 now 2022-07-22T00:09:43 < jadew> guy answered, he's well 2022-07-22T00:09:59 < jadew> lmfao: "This bug is older than me" 2022-07-22T00:10:38 < jadew> "I was in kindergarten when this bug was reported. Now I'm in 2nd year of my bachelor's degree in computer science." 2022-07-22T00:15:24 < Laurence_b> http://pastie.org/p/05AdmeBwNqcSLrkbiQeoMU 2022-07-22T00:15:34 < Laurence_b> this code should restack an array right 2022-07-22T00:15:43 < Laurence_b> hmm maybe I could just use memmove 2022-07-22T00:16:04 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-22T00:19:41 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 272 seconds] 2022-07-22T00:22:03 < mawk> restack? 2022-07-22T00:22:19 < mawk> why do you write code like this Laurence_b ... 2022-07-22T00:22:33 < mawk> at least use auto formatting if you can't write good looking code by yourself 2022-07-22T00:23:22 < Laurence_b> http://pastie.org/p/50DPhbTFdRffaazFDYKIpY 2022-07-22T00:23:27 < mawk> use memmove yes 2022-07-22T00:23:28 < Laurence_b> I think thats equivalent 2022-07-22T00:23:54 < jadew> why is it saying not found 2022-07-22T00:24:16 < mawk> yeah Laurence_b 2022-07-22T00:25:01 < Laurence_b> weirdly sometimes it fails, I think maybe a buffer overflow is corrupting memory 2022-07-22T00:25:30 < mawk> use valgrind Laurence_b 2022-07-22T00:25:36 < Laurence_b> hmm nice plan 2022-07-22T00:25:37 < mawk> it will immediately tell you what's wrong 2022-07-22T00:25:45 < mawk> valgrind ./yourprogram 2022-07-22T00:25:48 < mawk> very easy to run 2022-07-22T00:25:49 < Laurence_b> it would fail if n was overwritten 2022-07-22T00:26:00 < Laurence_b> yeah problem is this happens about once every 2 days 2022-07-22T00:26:10 < mawk> even if it doesn't crash it will tell you 2022-07-22T00:26:34 < mawk> compilers insert "buffer" memory between variables to guard against off by one errors and not crash 2022-07-22T00:26:40 < mawk> but valgrind will still pick it up 2022-07-22T00:26:46 < Laurence_b> interesting, thanks 2022-07-22T00:27:02 < Laurence_b> I should probably check code between where n is set and this code 2022-07-22T00:27:14 < Laurence_b> maybe its calling something that overflows 2022-07-22T00:28:33 < Laurence_b> no sign that the vars array is ever corrupted, but thats on heap not stack 2022-07-22T00:29:13 < Laurence_b> sometimes the insertion happens in the wrong place, suggesting n is corrupted 2022-07-22T00:31:02 * Laurence_b was given task of writing embedded lunix code that would turn off every evening, but it turns out expected uptime is >2years 2022-07-22T00:32:37 < Laurence_b> looks like reliability needs to be improved a bit 2022-07-22T00:33:15 < BrainDamage> make it be able to run in parallel and launch a new instance every 12h 2022-07-22T00:33:32 < karlp> 21:26 compilers insert "buffer" memory between variables to guard against off by one errors and not crash [CITATION NEEDED] 2022-07-22T00:51:29 < Laurence_b> >someone tried to seal an o-ring against the laser cut edge of a steel part 2022-07-22T00:51:37 < Laurence_b> lol no wonder motor is leaking coolant 2022-07-22T00:53:02 < Laurence_b> maybe I could use a slot cutter bit in a handheld drill if I have very steady hands 2022-07-22T00:53:14 < Laurence_b> to get a smooth sealing surface 2022-07-22T01:25:36 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 276 seconds] 2022-07-22T01:30:44 -!- PaulFertser [paul@paulfertser.info] has joined ##stm32 2022-07-22T01:34:15 < Laurence_b> can realloc allocate new memory with a fresh base address? 2022-07-22T01:37:00 < Laurence_b> oh sheeet of course it does 2022-07-22T01:37:12 < Laurence_b> memory corruption probably arises there 2022-07-22T02:08:04 -!- upgrdman [~upgrdman@47.180.47.55] has quit [Quit: Leaving] 2022-07-22T02:27:55 < Mangy_Dog> https://imgur.com/gallery/DORTubQ 2022-07-22T02:30:16 < Laurence_b> https://en.wikipedia.org/wiki/Frontier_(supercomputer)#/media/File:Frontier_Supercomputer_(2).jpg 2022-07-22T02:30:24 < Laurence_b> power cables look hyperloop invertor tier 2022-07-22T02:31:07 < Laurence_b> woah nice work 2022-07-22T02:31:13 < Laurence_b> whats the gui written in? 2022-07-22T02:31:38 < Mangy_Dog> c++/stripped opengl that the eve ft810 chip uses 2022-07-22T02:32:00 < Mangy_Dog> host mcu is stm32f103 2022-07-22T02:32:04 < Mangy_Dog> umm 2022-07-22T02:32:08 < Mangy_Dog> hardware mcu that is 2022-07-22T02:32:10 < Mangy_Dog> host is pc :D 2022-07-22T02:32:28 < Laurence_b> oh its standalone? 2022-07-22T02:32:39 < Laurence_b> looked like a desktop gui 2022-07-22T02:32:45 < Mangy_Dog> yeah standalone ahrdware 2022-07-22T02:32:52 < Mangy_Dog> not just an external display 2022-07-22T02:32:53 < Laurence_b> eve ft810 - seen that before 2022-07-22T02:33:05 < Mangy_Dog> i use it on my tricorder 2022-07-22T02:34:39 < Laurence_b> https://ugfx.io/index 2022-07-22T02:34:47 < Laurence_b> Tectu developed this ^ 2022-07-22T02:35:27 < Mangy_Dog> ohh ive seen that 2022-07-22T03:06:23 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 244 seconds] 2022-07-22T03:07:21 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-22T03:27:21 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 268 seconds] 2022-07-22T03:49:30 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-22T04:33:07 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-22T04:33:58 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Quit: Leaving] 2022-07-22T05:16:56 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-22T05:17:16 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-22T05:49:19 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-22T05:53:18 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-22T08:47:18 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-22T08:48:36 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-22T10:03:33 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-22T10:17:07 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-22T10:59:10 -!- toluene [~toluene@user/toulene] has quit [Ping timeout: 272 seconds] 2022-07-22T11:01:52 -!- toluene [~toluene@user/toulene] has joined ##stm32 2022-07-22T11:40:37 -!- hackkitten [~hackkitte@94.31.101.136] has quit [Ping timeout: 268 seconds] 2022-07-22T11:46:08 -!- hackkitten [~hackkitte@94.31.101.136] has joined ##stm32 2022-07-22T12:00:03 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-22T12:00:03 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-22T12:01:34 -!- specing_ is now known as specing 2022-07-22T12:10:57 < mawk> karlp: the compiler inserts a redzone around the stack so that you can use memory without changing the stack pointer, preventing crashes 2022-07-22T12:11:02 < mawk> but you're right it's not really what I meant 2022-07-22T12:11:20 < mawk> I meant that valgrind and other tools modify malloc so that each allocation has some space around it so that off-by-one errors don't crash, but can be detected 2022-07-22T12:11:30 < mawk> still called a redzone 2022-07-22T12:11:51 < mawk> google's addresssanitizer does the same, it allocates extra memory left and right of every malloc() invocation, painting it with a specific pattern 2022-07-22T12:12:01 < mawk> to detect overflow 2022-07-22T12:24:34 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-22T12:41:40 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 268 seconds] 2022-07-22T12:54:36 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-22T13:02:52 -!- toluene7 [~toluene@user/toulene] has joined ##stm32 2022-07-22T13:03:41 -!- toluene [~toluene@user/toulene] has quit [Read error: Connection reset by peer] 2022-07-22T13:03:41 -!- toluene7 is now known as toluene 2022-07-22T13:11:23 < karlp> "when I use special tooling, special things happen" isn't really wha tyou said though :) 2022-07-22T13:11:57 < karlp> those tools are _amaze_ but imaginging that you have those protections "from the compiler" out of thebox is wild :) 2022-07-22T13:12:00 < mawk> well the redzone is in all compilers 2022-07-22T13:12:05 < mawk> it's just around the whole stack 2022-07-22T13:12:11 < mawk> not around each var like I said 2022-07-22T13:12:45 < mawk> give -mno-redzone to gcc to disable it 2022-07-22T13:13:19 < karlp> yeah, the "around every var" was what I was complaining about 2022-07-22T13:14:01 < karlp> also, stack redlining is a libc feature, not a copiler feature. 2022-07-22T13:14:20 < karlp> look at hte channel you're in... you sure as shit don't get any sort of stack protection with arm-none-eabi-gcc.... 2022-07-22T13:19:00 < jpa-> karlp: -fstack-protector does work with arm-none-eabi-gcc, i think: https://godbolt.org/z/dWKbYsK3h 2022-07-22T13:19:35 < karlp> neat, still not standard :) 2022-07-22T13:19:42 < jpa-> but it is pretty limited in what it protects against 2022-07-22T13:19:54 < karlp> redzones are still libc stuff I thought though? 2022-07-22T13:20:04 < jpa-> i thought redzone is just a term 2022-07-22T13:20:43 < jpa-> the stack protector is not redzone, though 2022-07-22T13:21:05 < jpa-> but on platforms where ABI mandates redzone, i think it is usually implemented by compiler 2022-07-22T13:21:58 < karlp> ok, point to mawk, 2022-07-22T13:22:19 < karlp> still no space between variables inserted by the compiler to keep you safe, that was wild. 2022-07-22T13:22:58 < zyp> you could use -fdata-sections and have the linker pad out every data section 2022-07-22T13:23:24 < mawk> gcc calls it redzone jpa- 2022-07-22T13:23:31 < mawk> see -mno-redzone 2022-07-22T13:23:41 < mawk> asan call their own stuff redzone as well 2022-07-22T13:23:49 < mawk> they co-opted the term I guess 2022-07-22T13:24:19 < mawk> it's in the x86_64 abi yeah 2022-07-22T13:25:39 < karlp> zyp: that doens't pad anything though, beyond any alignment issues? 2022-07-22T13:26:00 < karlp> you don't get "+1" to your arrays too allow for off by ones... which was the original claim 2022-07-22T13:26:54 < zyp> by the way, I'd like to define some c++ concepts (i.e. interfaces) like AsyncByteSource, AsyncByteSink, AsyncPacketSource and AsyncPacketSink to be able to make building blocks with consistent interfaces 2022-07-22T13:27:38 < zyp> the byte ones are easy, it's just async<> put(uint8_t) and async get(); 2022-07-22T13:27:52 < jpa-> mawk: -mno-red-zone is about the ABI redzone that does nothing to protect stack, it is just temp storage space 2022-07-22T13:28:21 < mawk> yeah it's not a protector jpa- 2022-07-22T13:28:27 < mawk> it's just unallocated storage 2022-07-22T13:28:33 < zyp> and packet sink is easy too, it's async<> write(std::span) (i.e. caller retains buffer ownership and is responsible for keeping it alive until function returns) 2022-07-22T13:28:55 < zyp> but I'm a bit unsure how to handle packet source 2022-07-22T13:30:28 < zyp> the most reasonable option seems to be something like async> read(std::span), i.e. pass in an empty buffer, get back a span to the filled part of the buffer 2022-07-22T13:31:32 < zyp> which is fairly similar to how fread() takes ptr and size and returns number of read bytes 2022-07-22T14:24:02 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-22T14:26:52 < drzacek> hello again 2022-07-22T14:27:02 < drzacek> I am back with more noob questions 2022-07-22T14:27:33 < drzacek> am trying to read analog values and having trouble finding answers how to do that 2022-07-22T14:28:37 < drzacek> I AM using hal and stm32cubeide. I can't find a way to read only one PIN/ADC Channel. in fact, none of the adc functions from hal have channel as parameter 2022-07-22T14:29:36 < drzacek> so it seems to me it reads all the analog channels, always. but then I would expect some array, struct, register with all the values 2022-07-22T14:29:39 < drzacek> or am I missing something? 2022-07-22T14:31:03 < jpa-> you first configure the channel, before starting the conversion 2022-07-22T14:31:10 < jpa-> i don't speak hal/cube so can't provide details 2022-07-22T14:49:02 < Steffann> No one dares to admit they speak stm32 hal/cube 2022-07-22T14:55:30 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 276 seconds] 2022-07-22T15:20:39 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-22T15:23:34 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-22T15:46:09 -!- kaki [~kaki@178-55-34-200.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-22T15:51:58 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-22T16:49:15 -!- mouseghost [~draco@user/mouseghost] has joined ##stm32 2022-07-22T16:57:23 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-22T17:16:42 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-22T17:52:25 -!- drzacek_ [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-22T17:52:52 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-22T17:53:00 -!- drzacek_ [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Client Quit] 2022-07-22T17:59:16 -!- c10ud [~c10ud@user/c10ud] has quit [Quit: Leaving] 2022-07-22T18:02:36 < catphish> so my car is now road legal and it's been for a drive, but i have a significant battery problem :( one of the cell voltages is way out https://i.imgur.com/r0a7Qa6.png 2022-07-22T18:02:55 < catphish> don't know if it's a bad sensor or a bad cell 2022-07-22T18:09:54 < srk> wow that was fast, nice 2022-07-22T18:12:06 < srk> was it on dyno as well? 2022-07-22T18:28:53 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-22T18:36:47 -!- kaki [~kaki@178-55-34-200.bb.dnainternet.fi] has joined ##stm32 2022-07-22T18:37:00 < kaki> I have never used cube 2022-07-22T18:41:43 < catphish> srk: no dyno, no 2022-07-22T18:42:03 < catphish> kaki: missed box news again by moments 2022-07-22T18:42:47 < kaki> box now 2022-07-22T18:42:50 < kaki> now 2022-07-22T18:43:04 < catphish> car is now road legal and it's been for a proper drive, but i have a significant battery problem :( one of the cell voltages is way out https://i.imgur.com/r0a7Qa6.png 2022-07-22T18:43:44 < catphish> don't know if this is bad cell or bad measurement, but to find out i have to remove rear bodyshell and open up battery box, which is annoying 2022-07-22T18:46:49 < kaki> is that after driving or after charging? 2022-07-22T18:46:52 < kaki> or during? 2022-07-22T18:48:22 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-22T18:49:18 < catphish> the rest of the pack is about 60% charged 2022-07-22T18:50:26 -!- witx [~witx@193.137.28.238] has quit [Ping timeout: 268 seconds] 2022-07-22T18:50:50 < kaki> when did that happen? 2022-07-22T18:51:00 < kaki> was it okay before? 2022-07-22T18:51:17 < catphish> the rest of the pack was (when i measure it) at around 3.88V, but this one cell is at 3.62V, that's a substantial mismatch, and no, it's always been like that, i just missed it before 2022-07-22T18:51:40 < catphish> this is how the batteries came to me 2022-07-22T18:52:04 < catphish> i find it hard to believe it's simply "unbalanced", such a huge error in just a single cell has to be a failure 2022-07-22T18:52:25 < catphish> either a failure of the cell itself, or a failure in measuring it 2022-07-22T19:14:39 -!- witx [~witx@193.137.28.238] has joined ##stm32 2022-07-22T19:49:38 < jpa-> depending on how long it has been sitting, could be just slightly higher self-discharge 2022-07-22T19:58:45 < catphish> well that's essentially my concern, the problem is that it's not "slight", 3.88V is around 70% charge, where 3.62V is around 40%, for a single cell to be that self-dischanged would imply a fault with it 2022-07-22T19:59:13 < catphish> all the others are within about 20mV 2022-07-22T20:01:34 < jpa-> that depends totally on how long it has been sitting since the last charge 2022-07-22T20:02:00 < jpa-> it's worse than other cells certainly, but not necessarily to "fault" degree 2022-07-22T20:04:29 < kaki> catphish: maybe it's the cell you did balancing test to? 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ZZZzzz…] 2022-07-23T08:54:02 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-23T09:06:45 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-23T09:20:45 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-23T09:21:33 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-23T10:25:55 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-23T10:26:17 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-23T10:32:27 -!- Posterdati [~posterdat@user/Posterdati] has quit [Read error: Connection reset by peer] 2022-07-23T10:53:23 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 244 seconds] 2022-07-23T11:07:21 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-23T11:17:50 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 240 seconds] 2022-07-23T11:21:13 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-23T12:00:30 -!- specing [~specing@user/specing] has quit [Ping timeout: 240 seconds] 2022-07-23T12:01:35 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-23T12:29:02 -!- kaki [~kaki@176-93-117-225.bb.dnainternet.fi] has joined ##stm32 2022-07-23T13:11:35 < catphish> kaki: i definitely think that one cell being mysteriously discharged 25% constitutes a fault 2022-07-23T13:13:04 < catphish> either it's being mis-read by the BMS, or it's dramatically chemically different from all the others 2022-07-23T13:13:41 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-23T13:13:54 < catphish> brb 2022-07-23T13:14:00 -!- catphish [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-23T13:16:51 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-23T13:21:41 < Steffann> Maybe it wants to be different. Don't tell jade w 2022-07-23T13:45:24 < catphish> lol 2022-07-23T13:52:03 < kaki> can you access individual cells? 2022-07-23T13:55:02 < catphish> yes 2022-07-23T13:55:35 < catphish> well, i think so, perhaps not easily 2022-07-23T13:57:38 < kaki> you could just do full charge 2022-07-23T13:57:51 < kaki> then discharge 2022-07-23T13:57:53 < catphish> i can definitely measure modules of 16 cells though, a difference of 260mV should show up fairly clearly even if i only measure a block of 16 cells 2022-07-23T13:58:24 < catphish> i'm not sure how doing a full charge then discharge helps 2022-07-23T13:58:54 < catphish> no matter what state of charge i'm at, this one cell is going to be lower 2022-07-23T14:01:45 < catphish> i can do a few checks quite easily: 1) compare the voltage of the problematic module to all the other modules, if it's clearly 250mV lower, then i know it's a cell problem 2) replace the BMS, if the difference goes away, i know it's a BMS problem 2022-07-23T14:02:15 < catphish> of course it would be even better if i can just measure the individual cells with a multimeter, so will do that if i can 2022-07-23T14:02:53 < catphish> regardless of anything else, i always have the nuclear option of just replacing the battery module 2022-07-23T14:03:52 < kaki> you could "borrow" one from that one friend 2022-07-23T14:08:11 < catphish> nah, i have a spare one from the same original group 2022-07-23T14:08:47 < catphish> so if i have any doubts about the cell itself i can just swap it out 2022-07-23T14:09:26 < catphish> the only problem is that getting them out is a huge hassle! 2022-07-23T14:09:56 < catphish> though i know the process so hopefully i can do it within a day 2022-07-23T16:32:56 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-23T17:32:50 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 240 seconds] 2022-07-23T17:33:50 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-23T18:32:01 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-23T18:35:28 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-23T18:35:36 -!- rkta [~rkta@vps12297460.delta-networks.de] has quit [Ping timeout: 276 seconds] 2022-07-23T18:40:34 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Read error: Connection reset by peer] 2022-07-23T18:52:38 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-23T19:19:30 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 260 seconds] 2022-07-23T19:23:19 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-23T19:31:04 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-23T19:31:09 < Laurence_b> suppp 2022-07-23T19:31:19 < Laurence_b> the absolute state of simulink 2022-07-23T19:31:40 < Laurence_b> >invertor not working >nobody can fix it >current sensor data is junk 2022-07-23T19:32:00 < Laurence_b> it was rounding errors in the proprietary Ti blocks the whole time 2022-07-23T19:32:13 < Laurence_b> hypercrew were stuck with this for weeks 2022-07-23T19:48:15 < catphish> i tried simulink, never really found it to be very useful for anything, but clearly it is and i just don't know how to use it very well :) 2022-07-23T20:01:45 -!- rkta [~rkta@vps12297460.delta-networks.de] has joined ##stm32 2022-07-23T20:04:56 < BrainDamage> it's mostly if you have an hardon for mathematical modeling 2022-07-23T20:25:12 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-23T20:56:50 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-23T21:06:07 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-23T21:06:39 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-23T21:15:19 -!- kraiskil_ [~kraiskil@mob-194-230-148-66.cgn.sunrise.net] has joined ##stm32 2022-07-23T21:21:39 < zyp> catphish, my take on it is that it's programming for non-programmers 2022-07-23T22:12:04 -!- kraiskil_ [~kraiskil@mob-194-230-148-66.cgn.sunrise.net] has quit [Ping timeout: 268 seconds] 2022-07-23T22:36:04 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-23T22:36:40 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-23T23:04:25 -!- fluiD [~fluiD@66.186.216.91] has joined ##stm32 2022-07-23T23:22:16 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 272 seconds] 2022-07-23T23:23:36 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-23T23:40:11 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 268 seconds] --- Day changed su heinä 24 2022 2022-07-24T00:00:02 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-24T00:00:02 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-24T00:01:36 -!- specing_ is now known as specing 2022-07-24T00:28:44 < qyx> isn't that labview 2022-07-24T00:36:16 < zyp> indeed 2022-07-24T00:36:37 < zyp> simulink and labview belongs in the same category 2022-07-24T00:46:11 < qyx> my last serious employer said labview is totally different 2022-07-24T00:46:34 < qyx> he also said other things. 2022-07-24T00:48:42 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 268 seconds] 2022-07-24T00:57:13 < catphish_> someone wants me to learn labview and do work on it 2022-07-24T00:57:18 < catphish_> this seems unwise 2022-07-24T01:06:14 < Steffann> Maybe you'll love it 2022-07-24T01:07:34 < Steffann> Unlikely but... 2022-07-24T01:11:14 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-24T01:26:18 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has joined ##stm32 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https://znc.in] 2022-07-24T16:42:26 -!- qyx [~qyx@gw2.krtko.org] has quit [Read error: Connection reset by peer] 2022-07-24T17:04:05 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-24T17:11:07 -!- qyx [~qyx@gw2.krtko.org] has joined ##stm32 2022-07-24T17:39:01 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has joined ##stm32 2022-07-24T17:39:01 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has quit [Changing host] 2022-07-24T17:39:01 -!- haritz [~hrtz@user/haritz] has joined ##stm32 2022-07-24T17:41:24 -!- jadew [~rcc@user/rcc] has quit [Ping timeout: 276 seconds] 2022-07-24T17:59:23 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-24T17:59:38 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-24T18:04:08 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-24T18:54:48 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-24T19:04:35 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-24T20:41:40 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-24T20:41:43 < Laurence_b> sheeet 2022-07-24T20:41:45 < Laurence_b> https://www.alibaba.com/product-detail/COPPER-AMORPHOUS-BRAZING-FOIL-WELDING-STRIP_841617308.html 2022-07-24T20:41:53 < Laurence_b> china delivers the goods yet again 2022-07-24T20:58:55 < catphish_> nice strip 2022-07-24T21:36:46 < kaki> morgon 2022-07-24T21:37:26 < kaki> catphish: box now 2022-07-24T21:37:51 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-24T21:41:17 < kaki> box 2022-07-24T22:24:50 < catphish_> kaki: haven't done anything over weekend, back on it tomorrow 2022-07-24T22:25:06 < catphish_> tomorrow's job is to disassemble rear of car, pull open box, and debug bad cell 2022-07-24T22:25:47 < catphish_> best case scenario, i get that fixed, and get the car finished tomorrow, more likely it takes tomorrow and wednesday 2022-07-24T23:02:33 -!- toluene [~toluene@user/toulene] has quit [Quit: The Lounge - https://thelounge.chat] --- Day changed ma heinä 25 2022 2022-07-25T00:00:39 -!- specing [~specing@user/specing] has quit [Ping timeout: 272 seconds] 2022-07-25T00:01:05 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-25T00:37:04 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-25T01:06:04 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-25T01:29:53 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-25T02:00:43 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-25T02:06:14 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 255 seconds] 2022-07-25T02:34:38 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 240 seconds] 2022-07-25T04:26:25 -!- steve_ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-25T04:29:15 -!- steve__ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 260 seconds] 2022-07-25T04:29:38 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 272 seconds] 2022-07-25T04:32:13 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-25T05:35:18 -!- steve_ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 268 seconds] 2022-07-25T05:36:45 -!- octorian [octo@2600:3c00::f03c:91ff:fe93:a61c] has quit [Remote host closed the connection] 2022-07-25T05:39:18 -!- octorian [~octo@chroniton.logicprobe.org] has joined ##stm32 2022-07-25T05:53:55 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-25T05:57:52 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-25T06:37:46 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-25T06:38:05 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-25T08:04:11 -!- Netsplit *.net <-> *.split quits: mlaga97 2022-07-25T08:04:19 -!- Netsplit over, joins: mlaga97 2022-07-25T08:07:39 -!- Netsplit *.net <-> *.split quits: mawk, Flecks, grindhold_, oz4ga, veverak, splud, con3, ds2, kitzman 2022-07-25T08:07:51 -!- Netsplit over, joins: oz4ga 2022-07-25T08:07:51 -!- veverak [~veverak@ip-78-45-245-126.bb.vodafone.cz] has joined ##stm32 2022-07-25T08:08:04 -!- grindhold [~quassel@mail.skarphed.org] has joined ##stm32 2022-07-25T08:08:06 -!- splud [~noneya.bi@c-73-189-129-115.hsd1.ca.comcast.net] has joined ##stm32 2022-07-25T08:08:27 -!- splud [~noneya.bi@c-73-189-129-115.hsd1.ca.comcast.net] has quit [Changing host] 2022-07-25T08:08:27 -!- splud [~noneya.bi@user/splud] has joined ##stm32 2022-07-25T08:08:55 -!- Netsplit over, joins: mawk 2022-07-25T08:08:55 -!- con3 [~con3@2604:a880:4:1d0::be:d000] has joined ##stm32 2022-07-25T08:08:56 -!- Netsplit over, joins: kitzman 2022-07-25T08:11:37 -!- Fleck [~fleck@user/fleck] has joined ##stm32 2022-07-25T08:12:52 -!- steve_ [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-25T08:19:16 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-25T08:44:17 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-25T09:36:06 < jpa-> https://thenewstack.io/google-launches-carbon-an-experimental-replacement-for-c/ looks like they just invent new syntax for fun 2022-07-25T09:37:24 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-25T09:37:38 < jpa-> seems they could have just made a fork of C++, removing outdated stuff and adding new but keeping same syntax for most part 2022-07-25T09:54:15 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-25T09:54:15 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Changing host] 2022-07-25T09:54:15 -!- c10ud [~c10ud@user/c10ud] has joined ##stm32 2022-07-25T09:58:17 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has joined ##stm32 2022-07-25T10:08:45 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 260 seconds] 2022-07-25T10:38:41 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-25T10:40:58 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 240 seconds] 2022-07-25T10:58:20 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-25T11:08:04 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-25T11:48:07 < jpa-> zyp: hmm, am i reading correctly that no UART mode SWO support yet? 2022-07-25T11:48:50 < jpa-> ah, yes, i am 2022-07-25T11:53:15 < jpa-> such a typical monday 2022-07-25T11:53:28 < jpa-> return from vacation, stlink no longer works 2022-07-25T11:54:59 < jpa-> other devs on the project don't have orbtrace so can't switch to manchester.. i guess i'll have to wire up to usb-usart-adapter 2022-07-25T12:00:43 -!- specing [~specing@user/specing] has quit [Ping timeout: 268 seconds] 2022-07-25T12:01:04 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-25T12:03:57 < zyp> jpa-, can't switch? can't you just poke the mode bit in the debugger? 2022-07-25T12:04:21 < jpa-> hmm.. true 2022-07-25T12:04:36 < jpa-> i forgot that i can write to registers, seems like it was a good vacation 2022-07-25T12:08:58 < zyp> it's prepared for adding UART mode as well, just need to implement the decoder itself 2022-07-25T12:09:57 < zyp> but we didn't prioritize that since autobauding manchester mode seems more convenient 2022-07-25T12:22:45 < jpa-> true, though autobauding UART should be quite possible also 2022-07-25T12:23:03 < jpa-> but yeah, flipping the mode through debugger should work fine 2022-07-25T12:44:01 < zyp> in other news, I ported my protobuf rpc shit to embedded the other day, just had to add an appropriate transport: https://paste.jvnv.net/view/SVAI7 2022-07-25T12:45:15 < zyp> still needs a bit of optimization, it's still using std::vector a couple of places, but it's working fine 2022-07-25T13:17:21 -!- hexo__ [~hexo@user/hexo] has joined ##stm32 2022-07-25T13:17:51 -!- hexo__ [~hexo@user/hexo] has quit [Remote host closed the connection] 2022-07-25T13:33:33 < jpa-> zyp: i'm trying to follow https://orbcode.org/orbtrace/using-single-wire-output-when-parallel-trace-isnt-available/ but i'm having trouble finding "orbtrace" binary with -T m switch supported; the one from https://github.com/orbcode/orbuculum doesn't seem to have it 2022-07-25T14:04:57 < karlp> oh, they "unified" all the command options, I'm guessing some docs didn't get updated :| 2022-07-25T14:06:16 < jpa-> karlp: is it that way around? the blog post appears more recent than latest orbuculum commit 2022-07-25T14:06:51 < jpa-> ah, Devel branch 2022-07-25T14:09:02 < qyx> you got gitflowed 2022-07-25T14:09:33 < jpa-> i think my brain has rotten in past month, maybe it is time to retire 2022-07-25T14:09:54 < qyx> isn't it too soon? 2022-07-25T14:11:09 < qyx> unrealted, does any of stm32 pros use onsen.io? 2022-07-25T14:17:22 < jpa-> zyp: ok, i can confirm that SWO in manchester mode works & autobauds nicely 2022-07-25T15:06:10 < zyp> nice, what speed? 2022-07-25T15:07:57 < jpa-> just basic 2MHz so far 2022-07-25T15:08:21 < zyp> 2Mbaud or 2Mb/s? 2022-07-25T15:08:40 < jpa-> i don't know! it was 2Mbps UART before i flipped the bit 2022-07-25T15:08:48 < zyp> then 2Mbaud 2022-07-25T15:09:15 < zyp> when orbtrace advertises 48 Mb/s, that's 96 Mbaud :) 2022-07-25T15:09:30 < jpa-> hmm, so manchester divides? so UART could potentially have double the speed 2022-07-25T15:09:38 < zyp> indeed 2022-07-25T15:10:05 < zyp> well, not double, uart has 20% overhead, manchester has 50% 2022-07-25T15:10:10 < jpa-> hmm, true 2022-07-25T15:11:31 < zyp> how fast we can decode in practice depends how little oversampling we can get away with 2022-07-25T15:12:17 < zyp> we're sampling at 500 MHz and the autobauding manchester decoder works from >5x 2022-07-25T15:15:10 < zyp> at 8x oversampling, actual UART throughput would be comparable to manchester at 5x, so we'd need to beat that for UART mode to have a speed benefit 2022-07-25T15:17:47 < jpa-> true 2022-07-25T15:31:55 < GenTooMan> and people wonder why they invented synchronise communication protocols with parity bits. :D 2022-07-25T15:32:48 < GenTooMan> 4/5 encoding might be a bit denser than a UART however. 2022-07-25T16:11:20 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-25T16:11:22 < Laurence_b> sup 2022-07-25T16:11:35 -!- rob_w [~bob@host-82-135-31-73.customer.m-online.net] has quit [Remote host closed the connection] 2022-07-25T16:11:53 * Laurence_b is getting confused by bash 2022-07-25T16:11:57 < Laurence_b>  -49 - -49dBm 2022-07-25T16:12:14 < Laurence_b> is output by this line:  sig=$(echo -e "$icom" | tr : \\n | tr ';' \\n | grep "Channel 0" -A 2 | grep " int8_t" -A 1 | grep -v " int8_t" | cut -b 2- | cut -d " " -f 1 ) 2022-07-25T16:12:32 < Laurence_b> final cut should delimit at spaces right? 2022-07-25T16:14:52 < jpa-> dump it to file to check that it is not some special space character 2022-07-25T16:15:50 < Laurence_b> maybe there is newline? How does echo -n handle newline in string? 2022-07-25T16:17:16 -!- kaki [~kaki@176-93-117-225.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-25T16:18:26 < Laurence_b> ah yeah thats the problem 2022-07-25T16:25:06 < PaulFertser> Laurence_b: why do you have to participate in the shell faggotry? 2022-07-25T16:31:49 < PaulFertser> btw, echo -n isn't portable, POSIX suggests to use printf at all times where echo is used. 2022-07-25T16:33:16 < Laurence_b> ok 2022-07-25T17:12:06 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 264 seconds] 2022-07-25T17:54:45 -!- HelloShitty [~psysc0rpi@bl6-131-248.dsl.telepac.pt] has quit [Ping timeout: 268 seconds] 2022-07-25T18:11:27 -!- HelloShitty [~psysc0rpi@bl6-131-248.dsl.telepac.pt] has joined ##stm32 2022-07-25T18:18:36 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-25T18:25:20 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-25T19:08:08 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Ping timeout: 252 seconds] 2022-07-25T19:32:44 -!- machinehum [~machinehu@S0106d4e2cb4a7fa7.vn.shawcable.net] has joined ##stm32 2022-07-25T20:33:21 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-25T20:38:06 < machinehum> hi 2022-07-25T20:39:44 < Steffann> Lo 2022-07-25T20:41:14 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-25T21:20:10 -!- ds2 [~ds2@162-194-129-85.lightspeed.sntcca.sbcglobal.net] has joined ##stm32 2022-07-25T21:41:20 < zyp> GenTooMan, well, if you think swo is too slow, you can go with parallel trace 2022-07-25T21:41:51 < zyp> in which case the bottleneck is the USB interface 2022-07-25T22:00:39 < mawk> ublox documentation is so annoying 2022-07-25T22:01:10 < mawk> lots of values with the wrong range defined in the doc 2022-07-25T22:01:22 < mawk> how am I supposed to know how to parse the values if I don't know in which range they are 2022-07-25T22:01:40 < mawk> I'm supposed to write some piece of code to send back to the mother ship all signal quality info 2022-07-25T22:08:53 < Steffann> Contact the blox. They are swiss they deliver QUALITY support. Ask tct he knows 2022-07-25T22:12:32 < mawk> we can't contact directly 2022-07-25T22:12:37 < mawk> we need to go through the supplier 2022-07-25T22:12:44 < mawk> which always quotes back the doc 2022-07-25T22:12:45 < mawk> so useless 2022-07-25T22:12:55 < mawk> then we have to insist and he transfers to ublox 2022-07-25T22:13:01 < mawk> and then we wait a month 2022-07-25T22:13:11 < mawk> or more, depending if they have to transfer to R&D 2022-07-25T22:14:35 < Steffann> Who's your supplier? Batenburg blabla? 2022-07-25T22:14:55 < Steffann> Adelco whatever their name is 2022-07-25T22:14:58 -!- Steffann is now known as Steffanx 2022-07-25T22:21:41 -!- kaki [~kaki@37-33-115-63.bb.dnainternet.fi] has joined ##stm32 2022-07-25T22:21:48 < kaki> hello early 2022-07-25T22:22:10 < kaki> box news now 2022-07-25T22:24:01 < Steffanx> no, today its ublox. not box. 2022-07-25T22:27:06 < kaki> okay 2022-07-25T22:27:16 < kaki> laurence: train now 2022-07-25T22:28:05 < kaki> Steffanx: https://www.youtube.com/watch?v=K_8yRH2KPVo musics 2022-07-25T22:29:23 < Steffanx> lol i like the "what people watched" in the timeline thingy. 2022-07-25T22:30:57 < kaki> what you have there? 2022-07-25T22:31:53 < kaki> went to sauna party in saturday but didn't sauna because poker game lasted to sunrise 2022-07-25T22:34:28 < kaki> we had 4eurs at table so it was extra intense 2022-07-25T22:38:31 < kaki> Steffanx: what you have there? 2022-07-25T22:47:25 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-25T22:55:52 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-25T22:58:24 < Steffanx> what i have where kaki? 2022-07-25T22:59:24 < kaki> Steffanx: lol i like the "what people watched" in the timeline thingy. 2022-07-25T23:01:37 < Steffanx> The pornhub style popularity graph youtube has nowadays. It shows the end the video is not very popular. 2022-07-25T23:05:50 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-25T23:05:53 < Laurence_b> sup 2022-07-25T23:07:18 < kaki> Steffanx: ah 2022-07-25T23:07:34 < kaki> it's been there like a month or something 2022-07-25T23:09:09 < Laurence_b> video from onboard hyperloop 2022-07-25T23:09:09 < Steffanx> I know.. 2022-07-25T23:09:13 < Laurence_b> https://www.youtube.com/watch?v=G-ZAlKsWj_U 2022-07-25T23:09:45 < Steffanx> It's just shows the music gets more boring the longer you listen, kaki 😉 2022-07-25T23:11:30 < kaki> video of Laurence_b testriding hyperloop 2022-07-25T23:11:49 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-25T23:13:47 < kaki> Steffanx: should I buy some HEL: FORTUM ? 2022-07-25T23:14:11 < kaki> damn I was about to buy some at 27 or something last winter 2022-07-25T23:16:36 < Steffanx> whats going on with HEL: FORTUM kaki? 2022-07-25T23:17:54 < kaki> it bought problematic energy company from germany 2022-07-25T23:19:25 < Steffanx> problematic as in.. natural gas? 2022-07-25T23:19:30 < kaki> yes 2022-07-25T23:19:36 < kaki> and coal 2022-07-25T23:21:36 < kaki> and financier of nord stream 2 2022-07-25T23:21:40 < kaki> one of* 2022-07-25T23:24:40 < milkylainen> Retarded energy companies in both Sweden and Finland got swindled by German scam artists with neckties. 2022-07-25T23:25:17 < kaki> no worries 2022-07-25T23:25:35 < kaki> fortum is owned mainly by finnish goverment 2022-07-25T23:26:06 < milkylainen> Vattenfall is owned mainly by Swedish goverment too. But fail to see how it has anything to do with being retarded? 2022-07-25T23:26:21 < milkylainen> Or you mean that goverment is per implication always full of retarded people? 2022-07-25T23:26:26 < kaki> no 2022-07-25T23:26:26 < milkylainen> In that case i concur. :) 2022-07-25T23:27:20 < milkylainen> Sweden and Norway should cut the energy supply ties to all of the Nordics. 2022-07-25T23:27:48 < kaki> I mean if there is serious problem you can always hand the bill to taxpayer 2022-07-25T23:29:06 < milkylainen> Vattenfall blew in excess of 10 billion euros in Germanys broken energy sector. Poof. Gone. 2022-07-25T23:29:23 < kaki> thats more than fortum did 2022-07-25T23:29:55 < kaki> and less than german goverment did 2022-07-25T23:30:05 < milkylainen> The Nuon failure is the single largest accqusition failure of Sweden to date. 2022-07-25T23:30:05 < kaki> bailing out 15B 2022-07-25T23:30:18 < mawk> yeah Steffanx 2022-07-25T23:30:21 < kaki> and just getting started I predict 2022-07-25T23:32:14 < milkylainen> UK, Belgium, Denmark, Germany, Poland, Latvia and Finland is relying on Swedish and Norwegian base power generation, not just exchange stability and enlargement of intermittent production grids. 2022-07-25T23:32:30 < milkylainen> They're all baseloading. 2022-07-25T23:33:29 < mawk> not off France too? 2022-07-25T23:37:54 < milkylainen> Of course they are. France is the biggest energy exporter in Europe. 2022-07-25T23:38:36 < milkylainen> In total energy. Per capita, I believe they're after Norway and Sweden. 2022-07-25T23:39:18 < milkylainen> Finland is a huge offender. 10-20% of the country need is baseloaded from Sweden. 2022-07-25T23:40:06 < milkylainen> Russia cut them off, which means increased load on Sweden. 2022-07-25T23:43:32 < kaki> milkylainen: does it come from sweden or from norway via sweden? 2022-07-25T23:43:39 < kaki> in north 2022-07-25T23:46:34 < kaki> or both 2022-07-25T23:46:53 < milkylainen> kaki: Sweden produces more than Norway for export. But since Norway only export lines in the South (UK, Belgium, Denmark) it pushes electricy through the Swedish midwaist. 2022-07-25T23:46:56 < milkylainen> So both. 2022-07-25T23:47:10 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-25T23:47:35 < milkylainen> So the Swedish waist has to cope with own current going to densly populated areas south, own export and Norwegian export. 2022-07-25T23:48:18 < kaki> some is transfered via finland from north to stockholm 2022-07-25T23:48:28 < kaki> not much 700MW or something 2022-07-25T23:49:00 < zyp> yeah, there's crazy differences between electricity prices between north and south of norway 2022-07-25T23:49:01 < milkylainen> kaki: Depends. Finland relies on 1-2GW typically from Sweden. 2022-07-25T23:49:14 < milkylainen> Which is between 10-20% of the country need. 2022-07-25T23:49:16 < kaki> it's true 2022-07-25T23:49:37 < milkylainen> But sometimes it rushes up to 30%. We had 25% of Finlands needs this afternoon. 2022-07-25T23:49:50 < milkylainen> But more typical is 10-20%. 2022-07-25T23:49:54 < qyx> nice graph https://www.statista.com/statistics/1265894/european-union-electricity-net-imports-country/ 2022-07-25T23:50:13 < milkylainen> https://www.svk.se/om-kraftsystemet/kontrollrummet/ 2022-07-25T23:50:13 < zyp> in the south of norway, supply can't keep up with demand, in the north supply is saturating both local demand and export capacity 2022-07-25T23:50:18 < milkylainen> better graph 2022-07-25T23:51:01 < milkylainen> Norway and Sweden has 0 power issues. If Norway would stop pushing power south through their own waist it would be 0 problems too. 2022-07-25T23:51:08 < milkylainen> qyx: realtime too. 2022-07-25T23:51:16 < qyx> yes but not all countries 2022-07-25T23:51:22 < milkylainen> Nordics. 2022-07-25T23:51:25 < milkylainen> Indeed. 2022-07-25T23:52:39 < kaki> milkylainen: is there sea cable projects in norway north-south happening currently? 2022-07-25T23:52:59 < zyp> why sea cables? 2022-07-25T23:53:06 < kaki> idk 2022-07-25T23:53:09 < kaki> mountains 2022-07-25T23:53:16 < milkylainen> kaki: I have a friend working in UK and will go to Shetland ilands for HVDC projects. 2022-07-25T23:53:29 < milkylainen> I think Norway wants to beef up the links to sell more power. 2022-07-25T23:53:45 < milkylainen> Which means more problems for the people and more money for the power companies. 2022-07-25T23:54:16 < kaki> milkylainen: and from there to UK? 2022-07-25T23:54:17 < milkylainen> I'm thinking of the southbound links from NO3-4? 2022-07-25T23:54:34 < milkylainen> I don't remember the Norwegian region names. 2022-07-25T23:54:42 < milkylainen> Or 1-2. :) 2022-07-25T23:54:49 < zyp> I'm in NO2 2022-07-25T23:54:57 < milkylainen> It's the opposite, right? 2022-07-25T23:55:12 < milkylainen> SE4 is south in sweden, but NO4 is north in norway? 2022-07-25T23:55:17 < milkylainen> map? 2022-07-25T23:55:18 < zyp> no, NO2 is south 2022-07-25T23:55:37 < zyp> i.e. I'm in the most expensive region :) 2022-07-25T23:56:07 < milkylainen> so yes. SE4 is south in sweden but NO4 is north in norway. Found a map. 2022-07-25T23:56:14 < milkylainen> NO1-2 is south in norway. 2022-07-25T23:56:27 < milkylainen> So opposite to Sweden. Sort of. 2022-07-25T23:57:00 < milkylainen> zyp: Norway should have stupid cheap power. 2022-07-25T23:57:10 < zyp> yeah, it usually is 2022-07-25T23:58:50 < milkylainen> you have 0.36 euro/kwh currently. Sweden has 0.05 for all regions. 2022-07-25T23:59:04 < milkylainen> But again. Blame power export. 2022-07-25T23:59:45 < zyp> norway is running a compensation scheme though, covers 80% of the cost past .7 NOK --- Day changed ti heinä 26 2022 2022-07-26T00:00:59 -!- specing [~specing@user/specing] has quit [Ping timeout: 268 seconds] 2022-07-26T00:01:33 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-26T00:02:04 < milkylainen> Does that happen automatically in billing or do you have to do anything? 2022-07-26T00:07:12 < zyp> it's automatic, but simplified 2022-07-26T00:08:51 < zyp> for each region, a (probably weighted) monthly average is calculated, compensation rate is calculcated from that, and then compensation is simply total consumption for the month multiplied by the rate 2022-07-26T00:10:17 < zyp> so it could be effectively more or less depending on which hours I'm using electricity, i.e. whether my average electricity price is higher or lower than the standard average 2022-07-26T00:10:46 < zyp> I haven't been paying attention recently, but for the first months I were beating the standard average 2022-07-26T00:11:28 < zyp> which is pretty much expected since I've got a fair amount of consumption outside peak hours 2022-07-26T00:11:33 < zyp> (e.g. EV charging at night) 2022-07-26T00:12:28 < milkylainen> I see. Tnx for the explanation. 2022-07-26T00:14:39 < zyp> last weekend we had half a day with almost free electricity in NO2, and since I'm still getting compensation for them, I was effectively getting paid to use electricity 2022-07-26T00:15:55 < milkylainen> Nice. :) 2022-07-26T00:16:21 < zyp> https://bin.jvnv.net/file/MiN3E.jpg 2022-07-26T00:21:45 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-26T00:21:52 -!- c10ud [~c10ud@user/c10ud] has quit [Read error: Connection reset by peer] 2022-07-26T00:27:09 < milkylainen> Bedtime. Have a nice evening. :) 2022-07-26T00:40:21 < zyp> jpa-, now I've achieved what I had in mind when writing protonium: https://bin.jvnv.net/file/o9yLX.png :) 2022-07-26T00:44:04 < zyp> code behind it: https://paste.jvnv.net/view/INlat 2022-07-26T00:55:52 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-26T01:06:06 < Mangy_Dog> tech question.... How difficult would it be to compile programs for arm? Im just wondering why were not making the move to arm, is it simply as difficult as changing some compile flags and having the compiler target the different system? IE why arent we genurally moving away from x86 already? 2022-07-26T01:06:30 < kaki> it's no biggie 2022-07-26T01:06:56 < Mangy_Dog> i dont mean as an embedded thing... Just PC in general 2022-07-26T01:07:15 < specing> it's no biggie 2022-07-26T01:07:44 < specing> I'm not moving to arm because the arm computers are potatos 2022-07-26T01:07:54 < kaki> windows 10 and 11 have arm versions 2022-07-26T01:07:56 < Mangy_Dog> they are at the moment 2022-07-26T01:08:07 < Mangy_Dog> but theres no reason for them to be 2022-07-26T01:08:08 < kaki> linux has been for arm for like 20years? 2022-07-26T01:08:28 < specing> Mangy_Dog: rockchip finaly has a chip out there that significantly outperforms my core2duos 2022-07-26T01:08:43 < Mangy_Dog> ohh what chip? 2022-07-26T01:08:45 * specing considers getting such a computer 2022-07-26T01:08:51 < specing> rk3588 afaik 2022-07-26T01:08:56 < Mangy_Dog> ah 2022-07-26T01:09:34 < kaki> apple silicon is ARM64 2022-07-26T01:09:38 < kaki> so osx too 2022-07-26T01:09:41 < specing> https://liliputing.com/2021/12/rk3588-is-rockchips-highest-performance-processor-to-date-likely-coming-in-2022.html 2022-07-26T01:09:54 < specing> yeah, new macbooks are ARM, aren't they? 2022-07-26T01:09:58 < Mangy_Dog> yeah 2022-07-26T01:10:00 < kaki> yes 2022-07-26T01:10:56 < specing> maybe a few more years before they start accepting normal SODIMMS 2022-07-26T01:11:43 < Mangy_Dog> nodnods 2022-07-26T01:12:39 < specing> and ECC 2022-07-26T01:14:06 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-26T01:22:47 < specing> oooh yeah, 32 GB RAM 2022-07-26T01:23:01 < specing> https://en.t-firefly.com/product/industry/itx3588j 2022-07-26T01:24:12 < specing> though you can get a similar x86 for much less money, I believe 2022-07-26T01:32:03 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 272 seconds] 2022-07-26T01:36:07 < kaki> indeed 2022-07-26T01:48:45 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-26T01:49:41 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-26T01:49:52 < Laurence_b> https://www.youtube.com/watch?v=g9sPlMkYEIw 2022-07-26T01:50:04 < Laurence_b> keeek youtube censors don't know what this is for lmao 2022-07-26T01:56:54 < kaki> what is it for? 2022-07-26T02:08:23 -!- srk- [~sorki@user/srk] has joined ##stm32 2022-07-26T02:10:30 -!- srk [~sorki@user/srk] has quit [Ping timeout: 244 seconds] 2022-07-26T02:11:06 -!- srk- is now known as srk 2022-07-26T02:16:27 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-26T02:42:45 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 252 seconds] 2022-07-26T03:00:05 -!- Spirit532 [~Spirit532@user/Spirit532] has joined ##stm32 2022-07-26T03:00:21 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 252 seconds] 2022-07-26T03:01:22 -!- Spirit532 [~Spirit532@user/Spirit532] has quit [Remote host closed the connection] 2022-07-26T03:05:40 -!- Spirit532 [~Spirit532@user/Spirit532] has joined ##stm32 2022-07-26T03:06:14 < Laurence_b> making heroin 2022-07-26T03:06:26 < Laurence_b> woah digikey updated their site for first time since 1995 2022-07-26T03:06:43 < Laurence_b> still looks a bit basic but i guess it works 2022-07-26T03:09:03 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-26T03:31:59 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-26T03:59:47 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-26T04:08:55 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 252 seconds] 2022-07-26T04:09:16 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-26T04:30:00 -!- srk- [~sorki@user/srk] has joined ##stm32 2022-07-26T04:33:29 -!- srk [~sorki@user/srk] has quit [Ping timeout: 252 seconds] 2022-07-26T04:33:30 -!- srk- is now known as srk 2022-07-26T05:10:02 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 245 seconds] 2022-07-26T05:10:59 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-26T05:18:13 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 252 seconds] 2022-07-26T05:18:20 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. 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ZZZzzz…] 2022-07-26T07:41:17 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 245 seconds] 2022-07-26T08:33:09 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-26T09:09:20 < jpa-> zyp: nice :) 2022-07-26T10:33:17 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-26T10:53:20 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-26T10:54:59 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-26T11:14:37 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 252 seconds] 2022-07-26T11:16:28 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-26T11:26:43 < zyp> yeah, now I can get back to the motor control algorithms 2022-07-26T11:33:33 < srk> oh yeah, I'm back in the game as well. toying with vesc ebike 2022-07-26T11:33:33 < zyp> I set it up to run at 100% modulation and tuned angle offset between encoder and pwm until I saw the lowest current draw from the power supply, runs fairly smooth now 2022-07-26T11:33:34 -!- yukam [~yukam@user/yukam] has quit [Ping timeout: 244 seconds] 2022-07-26T11:33:34 < zyp> I assume that means I've got voltage angle leading sufficiently to keep current angle at 90° 2022-07-26T11:33:34 < zyp> for this specific load/speed :) 2022-07-26T11:35:32 < catphish> kaki: box is home :) https://i.imgur.com/r0PQ1Vr.jpg 2022-07-26T11:36:42 < jpa-> zyp: that method probably tunes so that voltage is in phase with back-emf; but for a motor running at constant speed, that is also 90° so should be fine 2022-07-26T11:38:09 < zyp> I haven't set up the ADC yet to actually measure the phase currents 2022-07-26T11:39:15 < zyp> then again I haven't set up zeroing of the encoder or anything yet either 2022-07-26T11:39:15 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Read error: Connection reset by peer] 2022-07-26T11:39:21 -!- yukam [~yukam@user/yukam] has joined ##stm32 2022-07-26T11:41:08 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-26T12:00:35 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-26T12:00:35 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-26T12:02:12 -!- specing_ is now known as specing 2022-07-26T12:35:21 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-26T12:52:06 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has joined ##stm32 2022-07-26T12:52:08 < Laurence_b> sup 2022-07-26T12:52:16 < Laurence_b> anyone ever run dhcp server on windows10? 2022-07-26T12:52:22 < Laurence_b> I'm struggling to enable it 2022-07-26T12:54:31 < Laurence_b> I'm sure win10 has its own server built in 2022-07-26T12:54:44 < Laurence_b> I've done this before... once 2022-07-26T12:59:55 < Laurence_b> wow windozer documentation is bad 2022-07-26T13:00:00 < Laurence_b> make lunix look good 2022-07-26T13:01:43 < Laurence_b> I dont know wtf is going on lmao 2022-07-26T13:06:43 < Laurence_b> wtf zero documentation wtf 2022-07-26T13:06:59 -!- kaki [~kaki@37-33-115-63.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-26T13:18:10 < Mangy_Dog> wow just looked up the new rockchip 2022-07-26T13:18:11 < Mangy_Dog> looks nice 2022-07-26T13:18:15 < Mangy_Dog> but 2022-07-26T13:18:21 < Mangy_Dog> why are the dev boards 200+ quid 2022-07-26T13:18:36 < Mangy_Dog> but the ic is no more than 20 quid each 2022-07-26T13:21:03 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [] 2022-07-26T13:32:09 < Laurence_b> 99 69.580993 169.254.35.225 239.255.255.250 SSDP 179 M-SEARCH * HTTP/1.1 2022-07-26T13:32:20 < Laurence_b> looks like windozer expects external dhcp 2022-07-26T13:32:23 < Laurence_b> epin fail 2022-07-26T13:49:43 -!- Laurence_b [~Laurenceb@cust226-dsl93-89-135.idnet.net] has quit [Quit: Client closed] 2022-07-26T14:21:47 -!- steve_ [~steve@ool-182c2b80.dyn.optonline.net] has quit [Read error: Connection reset by peer] 2022-07-26T14:22:52 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-26T14:37:37 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-26T14:43:54 -!- nikomo [~quassel@nikomo.fi] has quit [Ping timeout: 264 seconds] 2022-07-26T14:46:11 -!- nikomo [~quassel@nikomo.fi] has joined ##stm32 2022-07-26T14:49:44 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-26T15:13:05 < Mangy_Dog> Sorry im back now, had to turnt he power off... 2022-07-26T15:13:40 < Mangy_Dog> So the new RK3588 appears to be about $20 per IC. Why are the dev boards for this thing upward of $200? 2022-07-26T15:14:02 < Mangy_Dog> even wtih ram and emmc that seems like a steeeeeeep price jump 2022-07-26T15:26:16 < Steffanx> It take a bit of man hours to make such board, documentation, to give support etc. 2022-07-26T15:28:44 < Steffanx> Or maybe just corporate tax. If youre serious you dont mind spending $200 2022-07-26T15:38:12 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: My MacBook Air has gone to sleep. ZZZzzz…] 2022-07-26T15:44:45 < Mangy_Dog> dont get me wrong i get that there are other costs... but seems like a big jump considering 2022-07-26T15:45:02 < Mangy_Dog> the other prices of other soc dev boards 2022-07-26T15:45:17 < Mangy_Dog> at 20 quid a chip... kinda making me tempted to make my own board 2022-07-26T16:03:53 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-26T16:18:05 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-26T16:19:17 < Mangy_Dog> https://cdn.discordapp.com/attachments/879434766296952875/1001478779731988530/unknown.png 2022-07-26T16:19:19 < Mangy_Dog> ooppphhh 2022-07-26T16:19:21 < Mangy_Dog> or maybe not 2022-07-26T16:19:25 < Mangy_Dog> that bga is DENCE 2022-07-26T16:19:52 < Mangy_Dog> ill almost certainly not be able to solder that without an accurate pick and place 2022-07-26T16:20:26 < mawk> aeaeaeaeaeaeaeaeae 2022-07-26T16:20:39 < mawk> you should see the aQFN of nordic Mangy_Dog 2022-07-26T16:20:54 < Mangy_Dog> ?? 2022-07-26T16:21:14 < Mangy_Dog> but qfn is external 2022-07-26T16:21:28 < Mangy_Dog> alignment and spotting shorts wouldbe... 2022-07-26T16:21:33 < Mangy_Dog> well doable at least 2022-07-26T16:21:57 < mawk> aQFN 2022-07-26T16:21:58 < mawk> not QFN 2022-07-26T16:22:05 < mawk> https://www.nordicsemi.com/-/media/Images/Products/SoC/SoCs-dobble-top/nRF52-Series/nRF52840-QIAA.png?h=350&la=en&mw=350&w=350&hash=B883E5A775839D798942847F944B4C0BF941E364 2022-07-26T16:23:43 < Mangy_Dog> oh o.O 2022-07-26T16:24:06 < Mangy_Dog> i need a banana for scale 2022-07-26T16:24:09 < Mangy_Dog> is that 5mm? 2022-07-26T16:25:37 < Steffanx> That one is doable, and I recall you dont need the inner pads. But that might he a different one. 2022-07-26T17:00:34 < aandrew> what the fuck is up with Nordic 2022-07-26T17:00:43 < aandrew> they are on a mission to create the fucking dumbest footprints on the planet 2022-07-26T17:00:51 < aandrew> have they patented it or something so it can't be cloned? 2022-07-26T17:07:36 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-26T17:44:00 < mawk> you also have wlcsp if you prefer aandrew 2022-07-26T17:44:42 < mawk> I have a touchscreen altium setup 2022-07-26T17:44:47 < jpa-> Mangy_Dog: placing that bga by hand is doable, but pcb with high enough density to bring out signals would be expensive 2022-07-26T17:44:49 < mawk> to look at skematiks 2022-07-26T17:46:03 < Mangy_Dog> bring out signels? You mean to break out all the IP from the bga array? 2022-07-26T17:46:06 < Mangy_Dog> IO 2022-07-26T17:46:19 < Mangy_Dog> im assuming a 4 layer at the very least 2022-07-26T17:46:31 < Mangy_Dog> maybe 6 2022-07-26T17:48:25 < jpa-> layers don't help because normal vias don't fit 2022-07-26T17:56:52 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-26T18:10:40 < englishman> mawk do you have the Pro Subscription 2022-07-26T18:12:29 < mawk> no idea 2022-07-26T18:12:35 < mawk> I use a viewer license 2022-07-26T18:12:43 < mawk> but there's a real license seat available 2022-07-26T18:13:09 < mawk> it doesn't say if I'm mega pro or lame pro 2022-07-26T18:20:57 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 272 seconds] 2022-07-26T18:33:09 < Mangy_Dog> ahhh sooo jpa itrs trace size thats the issue? most fab hoses dont go small enough? 2022-07-26T18:33:41 < Mangy_Dog> well. most common service ones like pcbway or jlc 2022-07-26T18:50:21 < karlp> pretty sure jlc only goes to 0.3mm drills, 2022-07-26T18:50:43 < karlp> I think youre underestimating ram+emmc costs as well, 2022-07-26T18:54:05 < Mangy_Dog> its ddr3 ram right? 2022-07-26T18:57:53 < Mangy_Dog> DDR3 RAM ics arent stupidly expensive 2022-07-26T18:58:15 < Mangy_Dog> 10 dollars for 2 or 4 gb? 2022-07-26T18:58:22 < Mangy_Dog> and emmc 2022-07-26T18:58:30 < Mangy_Dog> is still fairly comparable to sd cards 2022-07-26T18:58:39 < Mangy_Dog> supply is a bit iffy though 2022-07-26T19:08:36 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 268 seconds] 2022-07-26T19:10:57 < Steffanx> Routing ddr3 might be something else though.. 2022-07-26T19:11:54 < Steffanx> I would rather buy a SOM 2022-07-26T19:32:15 < jpa-> orbtrace on hackaday, comments burst with "wohoo it costs money" 2022-07-26T19:39:24 < mawk> hackers deserve free stuff 2022-07-26T19:42:54 < Steffanx> Lol. 2022-07-26T19:47:16 < Steffanx> Did mawk spend his hacker money on one yet? :P 2022-07-26T19:49:02 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-26T19:55:31 < qyx> karlp: jlc does 0.2 2022-07-26T19:57:04 < qyx> I was about to rexcommend mangy-dog to not even bother 2022-07-26T19:58:47 < jpa-> with 0.4mm pitch BGA, 0.4mm pad diameter vias do not get you very far :) 2022-07-26T20:01:13 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-26T20:02:05 < jpa-> Mangy_Dog: pcbway gives $554 price for PCB that might barely accommodate that BGA :) 2022-07-26T20:02:13 < jpa-> (5pcs, the minimum) 2022-07-26T20:02:31 < Mangy_Dog> ooohph 2022-07-26T20:02:39 < Mangy_Dog> sorry i had to take a nap 2022-07-26T20:02:46 < Mangy_Dog> so what is it too small a trace width? 2022-07-26T20:02:57 < Mangy_Dog> for the cheaper services? 2022-07-26T20:03:06 < jpa-> microvias in bga pad is a special process and pretty much mandatory for that 2022-07-26T20:03:16 < Mangy_Dog> ahh 2022-07-26T20:03:46 < jpa-> otherwise you can only get the outermost two rows of balls connected 2022-07-26T20:03:58 < Mangy_Dog> yeah 2022-07-26T20:05:00 < mawk> no Steffanx I haz no money 2022-07-26T20:14:00 < qyx> 0.65 mm pitch is the minimum doable 2022-07-26T20:14:09 < qyx> using "common" services 2022-07-26T20:15:50 < jpa-> hmm, i wonder if i read that diagram wrong and it is actually 0.65mm pitch? 34x34 balls may still be too much to ask 2022-07-26T20:17:13 < Mangy_Dog> ball pitch is 0.65 2022-07-26T20:17:19 < Mangy_Dog> just looked at the datasheet again 2022-07-26T20:17:46 < Mangy_Dog> https://www.cnx-software.com/pdf/Rockchip%C2%A0RK3588%C2%A0Datasheet%C2%A0V0.1-20210727.pdf 2022-07-26T20:18:09 < jpa-> so get going, 1 minute per trace, shouldn't take more than 20 hours :) 2022-07-26T20:18:13 < Mangy_Dog> 4 video ports built in 2022-07-26T20:18:14 < Mangy_Dog> impressive 2022-07-26T20:18:31 < Mangy_Dog> well 2022-07-26T20:18:40 < Mangy_Dog> i was thinking this could be used for a multi screen car dash 2022-07-26T20:19:26 < Mangy_Dog> dont get me wrong though id rather have a plug in module 2022-07-26T20:19:41 < Mangy_Dog> but at those kind of prices it might be cheaper to do it myself............... 2022-07-26T20:19:51 < Mangy_Dog> i know ive said famous last workds before 2022-07-26T20:19:52 < Mangy_Dog> but... esh 2022-07-26T20:20:07 < Mangy_Dog> a full sbc from scratch is a big first 2022-07-26T20:20:59 < Mangy_Dog> jlc dont do blind vias though 2022-07-26T20:21:10 < Mangy_Dog> and 0.3 minimum drill 2022-07-26T20:21:35 < Mangy_Dog> but 0.25 on 4 or 6 layer boards 2022-07-26T20:21:51 < Mangy_Dog> what size is microvia? 2022-07-26T20:21:53 < Mangy_Dog> in mm 2022-07-26T20:23:35 < jpa-> usually 0.15mm or smaller 2022-07-26T20:23:47 < jpa-> but it's not like the name matters, what matters is if you can get it to fit 2022-07-26T20:24:22 < Mangy_Dog> nods 2022-07-26T20:35:44 < Steffanx> Where did your money go mr mawk? 2022-07-26T20:36:06 < mawk> patching the hole in my bank account 2022-07-26T20:36:16 < mawk> carried from the last two years 2022-07-26T21:08:15 < Steffanx> Time to tell your ex gf to get a job, mawk? 2022-07-26T21:08:27 < Steffanx> Assuming she's still the refugee living there. 2022-07-26T21:25:48 < zyp> jpa-, well, a microvia typically means a laser drilled single layer blind via, so the name implies more than just a small diameter 2022-07-26T21:29:18 < jpa-> true 2022-07-26T21:36:33 < zyp> for dense BGA, I'd say 0.8mm is the smallest that's realistically doable for cheap 2022-07-26T21:37:10 < zyp> for a sparse BGA, smaller is possible if there's enough gaps to fit all the vias you need 2022-07-26T21:38:57 < jpa-> and 2 layers of balls from each side is usually possible in any case; so 4xN BGA works well 2022-07-26T21:41:35 < zyp> not necessarily, if you start looking at wlcsp parts 2022-07-26T21:42:22 < zyp> jlcpcb capabilities says minimum pad 0.25 and minimum track/space 0.09, which gives a minimum 0.52mm pitch 2022-07-26T21:42:58 < zyp> but I'm not sure how strict they are about the first, maybe you can reduce it to 0.23 2022-07-26T21:44:06 < zyp> I never got around to fab this thing: https://bin.jvnv.net/file/ut1HQ.png 2022-07-26T21:44:42 -!- mannerism [~tic@107.191.100.185] has quit [Ping timeout: 272 seconds] 2022-07-26T21:44:46 < zyp> maybe I should throw that in next time I'm getting something from jlcpcb, just to see how well it turns out :) 2022-07-26T21:44:50 < jpa-> they manufactured 0.19mm pads for me, i guess they don't check 2022-07-26T21:45:21 < jpa-> http://jpa.kapsi.fi/stuff/pix/jlcpcb_bga.jpg 0.19 mm pad, 0.1 mm traces, 0.5 mm pitch 2022-07-26T21:45:25 -!- mannerism [~tic@107.191.100.185] has joined ##stm32 2022-07-26T21:45:34 < zyp> nice 2022-07-26T21:45:47 < zyp> that looks familiar, what was that again? 2022-07-26T21:46:28 < zyp> was that rdram or something? 2022-07-26T21:48:43 < zyp> I'm thinking of rpc dram, looks about same size, but doesn't have a staggered footprint 2022-07-26T21:50:32 < jpa-> nah, it was DA7212 audio codec 2022-07-26T21:51:34 < jpa-> it got some youtube comments saying i shouldn't be placing BGAs with such shaky hands ;) 2022-07-26T21:54:46 < Steffanx> Did you make it work in the end jpa-? 2022-07-26T21:55:32 < jpa-> not really 2022-07-26T21:55:50 < jpa-> the BGA chip worked fine, but the BLE module kept losing connection 2022-07-26T21:58:08 < Steffanx> ah 2022-07-26T22:02:59 < jpa-> i probably should have just used NRF24L01 or something like that 2022-07-26T22:10:50 < invzim_> thank you world for giving i2s signals so many names \o/ 2022-07-26T22:10:59 -!- invzim_ is now known as invzim 2022-07-26T22:20:03 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-26T22:25:59 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 252 seconds] 2022-07-26T22:36:51 -!- kaki [~kaki@37-33-115-63.bb.dnainternet.fi] has joined ##stm32 2022-07-26T22:37:52 -!- cygnix [~CygniX@2a01:8740:1:727:4e:80:7f:2d] has left ##stm32 [Konversation terminated!] 2022-07-26T22:42:50 -!- cygnix [~CygniX@2a01:8740:1:727:4e:80:7f:2d] has joined ##stm32 2022-07-26T22:49:53 < Steffanx> Farmer farmer kaki 2022-07-26T22:50:06 < kaki> welding and shit 2022-07-26T23:00:30 < Steffanx> And sauna poker? 2022-07-26T23:01:48 -!- alan_o_ [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has joined ##stm32 2022-07-26T23:03:23 -!- alan_o_ [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has quit [Client Quit] 2022-07-26T23:03:39 < kaki> hmm sauna poker 2022-07-26T23:03:43 < kaki> should try that 2022-07-26T23:03:48 < kaki> first I need to invent sauna table 2022-07-26T23:05:02 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has quit [Read error: Connection reset by peer] 2022-07-26T23:09:23 -!- lagash [lagash@lagash.shelltalk.net] has quit [Ping timeout: 255 seconds] 2022-07-26T23:14:49 < qyx> what 2022-07-26T23:15:02 < qyx> I am sure I did 0.2 mm vias at jlcpcb 2022-07-26T23:15:29 < qyx> I don't understand Mangy_Dog, did they change their capabilities? 2022-07-26T23:15:43 < Mangy_Dog> maybe 2022-07-26T23:15:56 < Mangy_Dog> but ive been told off for using bellow 0.3 before 2022-07-26T23:15:57 < qyx> I also did 0.1/0.1 at aisler despite they are not supporting it 2022-07-26T23:17:20 < qyx> also, been there done that, doing linux sbc is a 40+ hour work 2022-07-26T23:17:45 < qyx> I did lpddr3 routing 3 times on that bnoard and still wrong 2022-07-26T23:18:06 < qyx> because I yolo'd it as jay carlsson says 2022-07-26T23:18:35 < Mangy_Dog> wrong maching lengths? 2022-07-26T23:18:41 < qyx> but that's not entirely viable, basic requirements still matter 2022-07-26T23:18:53 < qyx> yeah I got timing errors 2022-07-26T23:19:38 < qyx> I mean, not wrong 2022-07-26T23:20:26 < qyx> 14 mm max was one of the requirements, I did 13.5 but didn't count vias, WRONG 2022-07-26T23:26:42 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-26T23:29:57 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has joined ##stm32 2022-07-26T23:30:12 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has quit [Remote host closed the connection] 2022-07-26T23:36:15 -!- lagash [lagash@lagash.shelltalk.net] has joined ##stm32 2022-07-26T23:42:13 -!- IanW_ [~IceChat9@213.205.196.251] has joined ##stm32 2022-07-26T23:45:44 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-26T23:53:22 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 245 seconds] 2022-07-26T23:54:39 < Mangy_Dog> is there a version of this setup that i can get.... cheaper? https://www.aliexpress.com/item/4000052074925.html --- Day changed ke heinä 27 2022 2022-07-27T00:00:27 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-27T00:00:27 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-27T00:02:05 -!- specing_ is now known as specing 2022-07-27T00:06:27 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-27T00:08:07 < englishman> you can get it without the camera 2022-07-27T00:08:31 < Mangy_Dog> the cameras probebly the cheapest component ther e:p 2022-07-27T00:08:49 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has joined ##stm32 2022-07-27T00:17:35 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-27T00:19:22 -!- Steffanx [~steffanx@user/steffanx] has quit [Read error: Connection reset by peer] 2022-07-27T00:19:37 -!- Steffanx [~steffanx@user/steffanx] has joined ##stm32 2022-07-27T00:33:08 < zyp> qyx, Mangy_Dog, jlcpcb does 0.2mm vias on 4L, 0.3mm on 2L 2022-07-27T00:33:17 < Mangy_Dog> ahh 2022-07-27T00:36:13 < Mangy_Dog> and i just spent 100 quid on an andostar magnifying display thing 2022-07-27T00:36:14 < Mangy_Dog> ad208 2022-07-27T00:36:36 < Mangy_Dog> i feel its hidiously over priced for what it is 2022-07-27T00:39:57 -!- IanW_ [~IceChat9@213.205.196.251] has quit [Quit: Bye] 2022-07-27T00:59:33 < karlp> you regualrly massively underestimate your own work on projects, yet everyone elses projects should be ~free? 2022-07-27T01:24:15 -!- Xogium [~Xogium@LuminaSensum/founder/Xogium] has quit [Quit: Leaving.] 2022-07-27T01:24:35 -!- Xogium [~Xogium@LuminaSensum/founder/Xogium] has joined ##stm32 2022-07-27T01:31:46 < Mangy_Dog> i wouldnt say it should be free 2022-07-27T02:27:57 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 245 seconds] 2022-07-27T02:33:36 -!- rajkosto [~rajkosto@93-86-163-111.static.isp.telekom.rs] has joined ##stm32 2022-07-27T02:34:12 -!- rajkosto [~rajkosto@93-86-163-111.static.isp.telekom.rs] has quit [Client Quit] 2022-07-27T03:06:51 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 252 seconds] 2022-07-27T03:56:17 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 245 seconds] 2022-07-27T03:56:57 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-27T04:03:39 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-27T04:34:56 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-27T05:38:41 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-27T05:41:58 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-27T05:54:53 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Read error: Connection reset by peer] 2022-07-27T06:58:36 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-27T07:38:41 -!- fengdaolong [~fengdaolo@27.19.20.241] has joined ##stm32 2022-07-27T07:39:47 -!- fengdaolong [~fengdaolo@27.19.20.241] has quit [Client Quit] 2022-07-27T09:29:28 -!- catphish_ [~charlie@user/catphish] has quit [Ping timeout: 268 seconds] 2022-07-27T09:42:04 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-27T09:46:28 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-27T09:55:13 -!- fluiD [~fluiD@66.186.216.91] has quit [Read error: Connection reset by peer] 2022-07-27T09:55:43 -!- fluiD [~fluiD@66.186.216.91] has joined ##stm32 2022-07-27T10:18:21 -!- catphish_ [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-27T10:44:03 -!- Posterdati [~posterdat@user/Posterdati] has quit [Quit: KVIrc 5.0.0 Aria http://www.kvirc.net/] 2022-07-27T10:53:45 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-27T10:57:20 -!- kaki [~kaki@37-33-115-63.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-27T11:52:13 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-27T12:00:02 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-27T12:00:02 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-27T12:01:35 -!- specing_ is now known as specing 2022-07-27T12:28:54 < Steffanx> Early kaki. 2022-07-27T13:20:10 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-27T13:58:20 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Ping timeout: 268 seconds] 2022-07-27T14:04:51 < kaki> nope 2022-07-27T14:04:55 < kaki> kaki not here 2022-07-27T14:13:46 < Steffanx> E 2022-07-27T14:13:49 < Steffanx> Who's kaki? 2022-07-27T14:45:12 < kaki> https://www.youtube.com/watch?v=7JH1_ZKV7t4 2022-07-27T14:45:52 < kaki> tricopter hover power reduced by 3x by adding wings 2022-07-27T14:53:30 < srk> wild 2022-07-27T15:43:16 < englishman> could also be reduced by 3x by simply having larger and more efficient blades and spinning those? 2022-07-27T15:48:40 < specing> could spin the wings themselves 2022-07-27T15:48:41 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-27T16:07:04 < sauce> wonder if it has any pitch/roll authority at all when its spinning like that 2022-07-27T16:32:25 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Ping timeout: 252 seconds] 2022-07-27T16:35:00 < kaki> englishman: yes 2022-07-27T16:37:08 < kaki> basically this adjustable angle thing has one benefit that is manouveribilitu 2022-07-27T16:37:14 < kaki> manouverability* 2022-07-27T16:37:37 < kaki> stop rotating = no rotational inertia 2022-07-27T17:13:22 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 245 seconds] 2022-07-27T17:26:29 < BrainDamage> this is neat https://gpsjam.org airplanes have a GPS onboard and send their coordinates publicly with ADS-B which plenty of user receivers listen to, by monitoring those broadcasts you can infer about GPS jamming activity 2022-07-27T17:27:52 < mawk> around moscow it's quite red 2022-07-27T17:27:59 < mawk> they excluded ukraine 2022-07-27T17:28:22 < mawk> in the USA there are maybe military bases around it 2022-07-27T17:29:33 < BrainDamage> I'm sure the ukraine exclusion is to avoid to be seen as a politically involved party 2022-07-27T17:29:37 < BrainDamage> otherwise either side could be claiming you're giving away SIGINT 2022-07-27T17:29:40 < BrainDamage> even if it's public domain infos 2022-07-27T17:31:09 < mawk> yeah 2022-07-27T17:35:28 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-27T17:36:43 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Client Quit] 2022-07-27T17:37:23 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-27T17:46:39 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-27T18:02:33 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-27T18:33:12 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-27T19:14:27 -!- kraiskil_ [~kraiskil@mob-194-230-148-71.cgn.sunrise.net] has joined ##stm32 2022-07-27T19:41:53 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Quit: Bridge terminating on SIGTERM] 2022-07-27T19:47:01 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-27T20:02:57 -!- kraiskil_ [~kraiskil@mob-194-230-148-71.cgn.sunrise.net] has quit [Ping timeout: 245 seconds] 2022-07-27T20:13:58 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [] 2022-07-27T20:31:28 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-27T20:31:29 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Excess Flood] 2022-07-27T20:31:55 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-27T20:45:20 < machinehum> Does this look like a successful ACK? https://imgur.com/a/YkzTXEe 2022-07-27T20:46:59 < machinehum> It looks like the slave is pulling low on that last clock cycle... 2022-07-27T21:41:39 < englishman> there is no commercial travel over ukraine 2022-07-27T21:41:50 < englishman> and thus no ads-b 2022-07-27T21:42:29 < englishman> everyone stopped a little while after mh-17 (iirc) 2022-07-27T21:42:51 < karlp> went later than that... 2022-07-27T21:43:13 < karlp> indian air was doing yolo flights straight over ukraine _after_ feb 24.. for a few days at least... iirc 2022-07-27T21:43:32 < karlp> mh17 was, "um, we're all just going to pretend nothing happened right?" 2022-07-27T21:47:09 < milkylainen> india be like "Russia is our pals. Putin is a nice guy. He sells us oil for bargin price. Must be a good thing to have no spine." 2022-07-27T22:01:53 < jpa-> machinehum: i don't see slave pulling low, the last low pulse of SDA is due to master sending stop condition 2022-07-27T22:04:45 < machinehum> jpa-: You're right 2022-07-27T22:04:56 < machinehum> I tried disconnecting the chip 2022-07-27T22:05:01 < machinehum> Same waveform 2022-07-27T22:39:58 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-27T23:04:08 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-27T23:16:22 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-27T23:23:54 < kaki> box 2022-07-27T23:37:44 < Steffanx> Battery 2022-07-27T23:44:47 < zyp> karlp, about to bring up ADC on g4, noticed it was still old style, so I went to check if you fixed in your fork, and there it is as the sole stm32-related change in the middle of a pile of wch stuff :) 2022-07-27T23:45:27 < zyp> ah, because the next change was adding ch5xx_adc 2022-07-27T23:46:10 < zyp> anyway, I'm gonna cherry-pick, test and merge it --- Day changed to heinä 28 2022 2022-07-28T00:00:11 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-28T00:00:11 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-28T00:01:46 -!- specing_ is now known as specing 2022-07-28T00:04:55 < zyp> tested, fixed, merged and pushed 2022-07-28T00:13:30 < zyp> ah, right, I need the opamps as well 2022-07-28T00:17:25 -!- Posterdati [~posterdat@user/Posterdati] has quit [Read error: Connection reset by peer] 2022-07-28T00:27:57 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 245 seconds] 2022-07-28T00:33:12 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-28T00:33:19 -!- Posterdati [~posterdat@user/Posterdati] has joined ##stm32 2022-07-28T00:37:01 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-28T00:39:36 < zyp> so this shit hooks up the three shunts to OPAMP1, OPAMP2 and OPAMP3 -- OPAMP1 can only be routed to ADC1, OPAMP2 can only be routed to ADC2, OPAMP3 can be routed to ADC1, ADC2 or ADC3 2022-07-28T00:40:31 < zyp> so I figure «okay, I can't get away with a single ADC then, but I can set them up to sample all three channels simultaneously» 2022-07-28T00:41:10 < zyp> except g431 is so lowend it only has two of the five ADCs 2022-07-28T00:42:06 < zyp> so no matter what I do I end up with one ADC sampling two channels and one sampling the third 2022-07-28T00:44:44 < zyp> unless I try being very clever sampling only one channel with each ADC, switching them around so that the one I don't sample is the one that might be 100% on at the current pwm angle 2022-07-28T01:13:01 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-28T01:26:07 < karlp> needed the adc shit at some poitn for some comparisons... 2022-07-28T01:26:18 < karlp> glad it helped, just keep taking bits as you need :) 2022-07-28T01:29:01 < karlp> fucking, just built up my first ch582 board, debugger says, "um, is debu open? use isp tool...." 2022-07-28T01:29:14 < karlp> and I didn't put boot pin or a usb connector on it. 2022-07-28T01:29:19 < karlp> thought I could just use the debugger.. 2022-07-28T01:29:28 * karlp pokes a bit... 2022-07-28T01:34:23 < zyp> heh, fuck that 2022-07-28T01:41:38 < karlp> well, I'm currentyly assuming it's soldered correctly :) 2022-07-28T01:41:53 < karlp> but yeah, I expected to just connect the debugger to it, and go... 2022-07-28T02:02:55 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 268 seconds] 2022-07-28T02:05:23 -!- drfff [~k\o\w@72.53.234.152] has quit [Ping timeout: 272 seconds] 2022-07-28T02:05:29 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-28T02:12:59 < karlp> ok, no, had a short on TCK/TIO. 2022-07-28T02:13:12 < karlp> swanky new precise soldering iron to the rescue... 2022-07-28T02:14:04 < zyp> how do you like it so far? 2022-07-28T02:14:13 < zyp> you got the one with the non-nano handle, right? 2022-07-28T02:14:34 < karlp> well, it's still pretty fucky small to me. 2022-07-28T02:14:45 < karlp> I got the t210, so not as small as the 115, not as big as the c240 or something? 2022-07-28T02:14:54 < karlp> yeah, really nice so far. 2022-07-28T02:15:42 < karlp> menu has a few wonky things like, IMO, the wheel scroll direction is backwards in the menu, but whatever. 2022-07-28T02:16:01 < karlp> and a couple of things seem a bit inconsistent with middle press wheel vs press "set" button, but no big deal, not much to configure. 2022-07-28T02:16:08 < karlp> nice UI, super fast. 2022-07-28T02:16:14 < karlp> I think I want some bigger tips :) 2022-07-28T02:16:30 < karlp> very nice silicon leads, really nice setup really. 2022-07-28T02:19:01 -!- haritz [~hrtz@user/haritz] has quit [Ping timeout: 268 seconds] 2022-07-28T02:21:53 < zyp> kinda tempting to get a T420D, but it looks like it's cheaper to just get two T3B 2022-07-28T02:22:36 < zyp> and they still haven't cloned the tweezers, what I really want is one with the 115 handle and tweezers 2022-07-28T02:23:07 < karlp> yeah, tweezers are nice, though our weller ones are still kinda janky. 2022-07-28T02:23:15 < karlp> the t420d has teh nice swing arm shit 2022-07-28T02:23:25 < karlp> I intend of having this mostly compact mode though. 2022-07-28T02:23:34 < karlp> looks like full colour dispay too. 2022-07-28T02:23:42 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 244 seconds] 2022-07-28T02:24:24 < zyp> t3b is not? 2022-07-28T02:24:33 < karlp> considering how polished all the packaging was, I was a _little_ surprised to get a china/au IEC cable and an adaptor, not a euro IEC cable. 2022-07-28T02:24:49 < karlp> um. yes. yes it is. nvm. 2022-07-28T02:25:00 < karlp> had to turn around. it's mostly "blue" in the default ui at least? 2022-07-28T02:29:37 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 245 seconds] 2022-07-28T02:31:14 < karlp> damnit. downloaded a new xpack rsciv toolchain, and getting shit like extern/laks/interrupt/dispatch_pfic_direct.cpp:8: Error: unrecognized opcode `csrr a4,mcause' 2022-07-28T02:31:24 < karlp> need to pack it up and take this home and compare to the other computer now. 2022-07-28T02:31:29 < karlp> at least the hardware seems to be ok... 2022-07-28T02:48:04 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-28T02:58:23 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-28T03:04:42 < karlp> oh dear, seems to be some weird csr read write moving from I to Zicsr and Zifencei extensions... thanks riscv ISA spec... 2022-07-28T03:24:43 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-28T03:24:43 -!- c10ud [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Changing host] 2022-07-28T03:24:43 -!- c10ud [~c10ud@user/c10ud] has joined ##stm32 2022-07-28T03:25:27 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Ping timeout: 252 seconds] 2022-07-28T03:26:05 < mawk> https://youtu.be/6Xp8BzJkCz8 2022-07-28T03:26:12 < mawk> hardcore love song about a sextoy 2022-07-28T03:26:14 < mawk> very original 2022-07-28T04:03:13 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 252 seconds] 2022-07-28T04:21:26 -!- drfff [~k\o\w@72.53.234.152] has joined ##stm32 2022-07-28T04:21:26 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has joined ##stm32 2022-07-28T04:21:27 -!- haritz [~hrtz@82-69-11-11.dsl.in-addr.zen.co.uk] has quit [Changing host] 2022-07-28T04:21:27 -!- haritz [~hrtz@user/haritz] has joined ##stm32 2022-07-28T05:20:10 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-28T06:00:32 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-28T06:14:06 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-28T06:18:39 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-28T06:33:34 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [] 2022-07-28T07:20:35 < machinehum> https://www.youtube.com/watch?v=V6HlbpczpDM&ab_channel=ParkerMilum 2022-07-28T07:53:19 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-28T07:55:56 -!- fdarling [~forest@h96-61-153-1.mtjltn.broadband.dynamic.tds.net] has joined ##stm32 2022-07-28T09:16:53 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-28T09:20:44 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-28T09:20:44 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Excess Flood] 2022-07-28T09:21:06 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-28T09:25:31 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 252 seconds] 2022-07-28T09:33:44 -!- fluiD [~fluiD@66.186.216.91] has quit [Read error: Connection reset by peer] 2022-07-28T09:34:02 -!- fluiD [~fluiD@66.186.216.91] has joined ##stm32 2022-07-28T11:04:09 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 252 seconds] 2022-07-28T11:05:27 -!- catphish_ [~charlie@user/catphish] has quit [Ping timeout: 245 seconds] 2022-07-28T11:05:53 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-28T11:07:23 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-28T11:42:57 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 245 seconds] 2022-07-28T11:47:26 < srk> vesc foc with magnetic encoder https://www.youtube.com/shorts/hTpKFilI4Hk 2022-07-28T11:49:55 < jpa-> your velocity PID overshoots a bit :) 2022-07-28T11:50:11 < srk> I think it's in current control mode 2022-07-28T11:50:55 < jpa-> that response seems weird for current control / constant torque mode 2022-07-28T11:51:44 < srk> it does indeed but that's because of the "load" 2022-07-28T11:52:22 < jpa-> i can't see why constant torque mode would speed up beyond the steady state speed 2022-07-28T11:52:24 < srk> it should behave when used on bike.. or maybe that's another mode that goes full rpm with no load 2022-07-28T11:53:14 < srk> no, it's not current control. it's just set to like 500RPM iirc in vesc tool 2022-07-28T11:53:27 < jpa-> ah, so it is in velocity PID mode 2022-07-28T11:53:43 < jpa-> so indeed just velocity PID overshoot, to be expected if you haven't tuned it yet :) 2022-07-28T11:54:04 < srk> yep, I might not even need to as I don't intend to use it 2022-07-28T11:54:16 < jpa-> yeah 2022-07-28T11:54:27 < srk> I need a sort of electronic freewheel which should work with current control 2022-07-28T11:54:28 < jpa-> i use current control on my ebike 2022-07-28T11:54:47 < srk> oh yes, I remember now. current control is scary when bench testing because it goes max rpm with no load :D 2022-07-28T11:54:59 < jpa-> yes 2022-07-28T11:55:29 < srk> was showing that to a friend and he made a step back from the table when I launched it 2022-07-28T11:55:44 < srk> I'm like .. that's why it's clamped to the table xD 2022-07-28T11:55:54 < jpa-> even scarier when you have a whole bike wheel mounted on it like i did :) 2022-07-28T11:56:03 < srk> and hooked up to lab PSU (for now) 2022-07-28T11:56:12 < srk> hah, in the air? 2022-07-28T11:56:21 < jpa-> yeah 2022-07-28T11:56:21 < srk> with batteries?! 2022-07-28T11:56:50 < jpa-> with magic lithium fairies providing endless free power 2022-07-28T11:57:08 < srk> I'm planning to use empty tire and friction for initial tests 2022-07-28T11:57:09 < srk> :))) 2022-07-28T11:57:19 < srk> vbrake later 2022-07-28T11:57:28 < srk> dyno some day 2022-07-28T11:58:45 < srk> what's your setup? 2022-07-28T12:00:27 -!- specing [~specing@user/specing] has quit [Ping timeout: 245 seconds] 2022-07-28T12:00:33 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-28T12:02:13 -!- specing_ is now known as specing 2022-07-28T12:10:46 < jpa-> srk: front hub motor + 12S lifepo4 + custom VESC-based thing + me going up and down the hill to test it 2022-07-28T12:11:51 < srk> jpa-: cool, smooth? :) 2022-07-28T12:13:11 < srk> I'm gonna build 6S LiPo for this thingie and hope the motor can handle that :D hooked up NTC 10k to attach to it 2022-07-28T12:13:23 < jpa-> not really, but that's because for some reason i have fully custom firmware 2022-07-28T12:14:21 < srk> hah, that's the next thing I'm gonna try but didn't want to go down that rabbit hole just yet and working reference FOC is nice to have at hand 2022-07-28T12:15:04 < srk> I hope this will handle hills smoothly thanks to 14bit encoder 2022-07-28T12:15:43 < jpa-> yeah, i have just the normal HALL sensors (6 steps per rotation) 2022-07-28T12:16:22 < srk> I've had to remove hall sensor filtering circuitry from this vesc 4.12 for it to start talking SPI 2022-07-28T12:16:45 < srk> fun times, 6 0402 resistors and 3 caps 2022-07-28T12:24:00 -!- catphish_ [~charlie@user/catphish] has quit [Read error: Connection reset by peer] 2022-07-28T12:24:12 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-28T12:57:41 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-28T13:09:33 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 252 seconds] 2022-07-28T13:40:53 -!- catphish__ [~charlie@user/catphish] has joined ##stm32 2022-07-28T13:40:54 -!- catphish_ [~charlie@user/catphish] has quit [Read error: Connection reset by peer] 2022-07-28T13:57:43 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-28T14:43:56 -!- catphish__ [~charlie@user/catphish] has quit [Quit: Leaving] 2022-07-28T14:47:50 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-28T15:15:45 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Ping timeout: 260 seconds] 2022-07-28T15:22:06 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-28T15:49:44 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has quit [Quit: Leaving] 2022-07-28T15:51:12 -!- alan_o [~alan@172-7-159-77.lightspeed.dybhfl.sbcglobal.net] has joined ##stm32 2022-07-28T16:31:10 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-28T16:35:32 < mawk> karlp https://youtu.be/K6PKaWytiM8 2022-07-28T16:35:36 < mawk> with original vocals 2022-07-28T16:35:45 < mawk> it's about consumerism I think 2022-07-28T17:10:13 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-28T17:31:42 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 245 seconds] 2022-07-28T17:36:42 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-28T17:38:19 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-28T17:41:37 -!- kraiskil_ [~kraiskil@mob-194-230-148-51.cgn.sunrise.net] has joined ##stm32 2022-07-28T17:44:59 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-28T17:51:18 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-28T17:59:12 -!- kraiskil_ [~kraiskil@mob-194-230-148-51.cgn.sunrise.net] has quit [Ping timeout: 245 seconds] 2022-07-28T18:59:43 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 252 seconds] 2022-07-28T19:07:45 -!- kraiskil_ [~kraiskil@mob-194-230-148-51.cgn.sunrise.net] has joined ##stm32 2022-07-28T19:26:06 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-28T19:55:27 -!- kraiskil_ [~kraiskil@mob-194-230-148-51.cgn.sunrise.net] has quit [Ping timeout: 245 seconds] 2022-07-28T20:00:49 < karlp> the fuck is this shorts shit? short == no scroll bar? what trash is this? 2022-07-28T20:02:23 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-28T20:04:19 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-28T20:05:50 < mawk> what shorts 2022-07-28T20:10:13 < qyx> youtube shorts? 2022-07-28T20:10:49 < jpa-> for me the scroll bar comes better visible when the pants are shorter 2022-07-28T20:16:44 < Steffanx> I dont like shorts. 2022-07-28T20:16:51 < karlp> mawk: well, that gargantua is kinda ok i guess... well done? 2022-07-28T20:19:10 < englishman> no video scrubbing either 2022-07-28T20:19:20 < englishman> it's like youtube, but with no features and shittier videos 2022-07-28T20:20:00 < englishman> the MBA that came up with that is currently retired living on a boat in monaco 2022-07-28T20:36:37 -!- emisario [~Thunderbi@201.183.2.168] has quit [Ping timeout: 268 seconds] 2022-07-28T20:49:13 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-28T20:53:34 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-28T21:11:25 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-28T21:19:55 < kaki> camera module and dozens of microphones into one usb device how? 2022-07-28T21:20:33 < kaki> microphones pdm modulation at 4.2Mhz clock 2022-07-28T21:30:07 < kaki> basically SOC right? 2022-07-28T21:30:54 < kaki> and something like rp2040 to serialize microphones? 2022-07-28T21:41:22 -!- kraiskil_ [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 268 seconds] 2022-07-28T21:43:52 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-28T21:44:44 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-28T21:47:47 < kaki> https://ftdichip.com/wp-content/uploads/2020/07/DS_FT602Q-IC-Datasheet.pdf 2022-07-28T21:53:26 < zyp> what usb interface do you want? standard video and audio classes or proprietary? 2022-07-28T21:54:16 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-28T21:57:09 < kaki> I don't want it to appear as 32 separate microphones for sure 2022-07-28T21:57:34 < qyx> kaki inventing acoustic cameras? 2022-07-28T21:58:03 < kaki> making my own fluke visual leak detector 2022-07-28T21:58:25 < qyx> are you sure it works with pdm micros? 2022-07-28T21:58:39 < kaki> pdm micros? 2022-07-28T21:58:43 < qyx> doesn't it need zero latency? 2022-07-28T21:58:54 < qyx> pdm microphones 2022-07-28T21:59:02 < kaki> just have same clock for all of them 2022-07-28T21:59:25 < kaki> pdm micro with a clock in* 2022-07-28T21:59:25 < zyp> sounds like a job for a small fpga 2022-07-28T21:59:29 < qyx> also keep in mind they are L/R multiplexed with 180 derg phase shift 2022-07-28T21:59:49 < zyp> just skip the multiplex and run them all as left or right 2022-07-28T21:59:55 < kaki> yes 2022-07-28T22:00:04 < kaki> anyways 2022-07-28T22:00:16 < qyx> stm32 with TDM converters will do 2022-07-28T22:00:19 < kaki> the device needs to just stream the shit to comfuser 2022-07-28T22:00:27 < qyx> for wideo too 2022-07-28T22:00:30 < qyx> v 2022-07-28T22:00:34 < kaki> fx2 would do unless 2022-07-28T22:00:39 < qyx> even esp32 is able to stream realtime video 2022-07-28T22:00:46 < kaki> I wanted a camera module 2022-07-28T22:01:00 < kaki> esp32 :o 2022-07-28T22:01:13 < kaki> the bestest micro 2022-07-28T22:06:46 < kaki> could it be so simple.. just use esp32 for everything 2022-07-28T22:12:07 < aandrew> kaki: why wouldn't you want 32 microphones on the PC? that sounds like the easiest way to get the data into any audio software with zero fucking around 2022-07-28T22:13:11 < aandrew> esp32 isn't USB2HS, you probably want to go small FPGA pulling everything into a parallel pipe and then either FX2LP or FTwhatever in the same mode to suck it all into the PC 2022-07-28T22:13:34 < qyx> whats the actual physical arrangement of the micros? 2022-07-28T22:13:42 < zyp> or just hook a HS PHY directly to the FPGA and use LUNA 2022-07-28T22:13:43 < qyx> do you need phase-correct input? 2022-07-28T22:13:56 < kaki> yes 2022-07-28T22:14:10 < qyx> are you sure 2022-07-28T22:14:44 < qyx> single sample is 7 mm 2022-07-28T22:14:47 < qyx> at 28 kHz 2022-07-28T22:14:50 < qyx> 48 sorry 2022-07-28T22:15:00 < kaki> I know 2022-07-28T22:15:30 < qyx> if your device is half a meter big, you can yolo those millimeters 2022-07-28T22:15:31 < kaki> and sampling is done at hundreds of kilohertz 2022-07-28T22:15:42 < kaki> not 48 2022-07-28T22:16:13 < qyx> the actual performance of a PDM mic is not comparable to a SAR-sampled mic 2022-07-28T22:16:23 < qyx> 4.2 MHz is not the number you should compute with 2022-07-28T22:16:42 < kaki> thats the clock required for something like 192khz sampling 2022-07-28T22:16:51 < Steffanx> Not even 64 microphones like the fluke. 2022-07-28T22:17:02 < kaki> Steffanx: more like 75 2022-07-28T22:17:04 < qyx> I am not a filter pro, but the sinc3 or whatever filter is used to conver PDM to PCM will mess with the phase and delay 2022-07-28T22:17:09 < Steffanx> Google said 64 2022-07-28T22:17:18 < kaki> ah 2022-07-28T22:17:24 < Steffanx> 2-52 kHz 2022-07-28T22:17:59 < kaki> I eyeballed around 75mics on that bad boy 2022-07-28T22:18:19 < kaki> between50 and 100 at least 2022-07-28T22:18:28 < qyx> I would sample with 96 or 192 or whatever is natural for the microphones, don't worry with the phase and try to do it in software 2022-07-28T22:18:47 < Steffanx> "64 digital MEMS microphones" on some fluke product page 2022-07-28T22:18:58 < zyp> 64 is between 50 and 100 2022-07-28T22:19:04 < qyx> but 64 mics at 192k/16 bit is nearly 25 MB/s without overhead 2022-07-28T22:19:09 < Steffanx> Pretty much yes 2022-07-28T22:19:49 < kaki> how do they handle PDM PCM conversion? 2022-07-28T22:20:07 < kaki> interestings 2022-07-28T22:20:15 < kaki> or do they 2022-07-28T22:20:32 < kaki> there is analol versions of basically same micros 2022-07-28T22:22:32 < zyp> hmm, this G4 is the first part I'm using with DMAMUX 2022-07-28T22:22:40 < zyp> seems neat 2022-07-28T22:23:48 < qyx> but but hey kaki keep me posted 2022-07-28T22:24:08 < kaki> k 2022-07-28T22:24:54 < qyx> I am interested too, I have two projects in my to-do list somewhere around 2032 for bird tracking/counting and avalanche mapping 2022-07-28T22:25:48 * qyx cleans his desk 2022-07-28T22:30:44 < zyp> > A same non-null DMAREQ_ID must not be programmed to different x and y DMAMUX request multiplexer channels (via DMAMUX_CxCR and DMAMUX_CyCR), except if application guarantees that the two connected DMA channels are not simultaneously active. 2022-07-28T22:31:24 < zyp> that seems silly, would be convenient to trigger multiple transfers from a single event 2022-07-28T22:31:49 < zyp> I assume the issue is that it'd lead to the same DMA request getting ACKed twice 2022-07-28T22:38:04 < kaki> qyx: interesting 2022-07-28T22:38:28 < kaki> any specs you would like to add? 2022-07-28T22:38:59 < qyx> no I just want to know if it works 2022-07-28T22:39:15 < qyx> I planned a 50-100 cm "antenna" with ~8 microphones 2022-07-28T22:39:49 < qyx> but a ball with 64 would be more cool obviously 2022-07-28T22:40:11 < kaki> this is just flat plate 2022-07-28T22:40:31 < kaki> beam forming mic mesh 2022-07-28T22:40:57 < kaki> and it's for tracking bats 2022-07-28T22:41:27 < qyx> oh I though you said leak detector? 2022-07-28T22:41:46 < kaki> could be 2022-07-28T22:42:09 < BrainDamage> qyx: https://en.wikipedia.org/wiki/Ambisonics might interest you 2022-07-28T22:42:38 < BrainDamage> especially the part about the spatial frequency resolution vs number of microphones 2022-07-28T22:43:04 < BrainDamage> and you can encode arbitrary amount of channels 2022-07-28T22:43:46 < srk> https://www.latticesemi.com/products/developmentboardsandkits/8to1microphoneaggregatorboard 2022-07-28T22:44:14 < qyx> BrainDamage: much wow, very advanced 2022-07-28T22:44:57 < kaki> srk: for tracking bats it needs more mics and/or denser placement of mics 2022-07-28T22:45:27 < srk> kaki: fpga is the important bit :D 2022-07-28T22:45:43 < kaki> maybe 2022-07-28T22:57:14 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-28T23:00:34 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-28T23:07:44 < machinehum> You guys wanna see some sic kbank robbing apparel https://www.d3vur.com/product/templeos-ski-mask/ 2022-07-28T23:09:15 < kaki> rad 2022-07-28T23:09:26 < machinehum> https://www.redbubble.com/i/poster/Terry-Davis-Stylin-by-mistyhyde/27364648.E40HW 2022-07-28T23:09:39 < machinehum> You think my GF will let me put it up? 2022-07-28T23:09:48 < kaki> no 2022-07-28T23:25:29 < Steffanx> If not, you better find another gf machinehum 2022-07-28T23:33:01 < kaki> machinehum: you know Steffanx is a big fan of Terry 2022-07-28T23:34:09 < Steffanx> Lolno 2022-07-28T23:38:32 < machinehum> PaulFertser: We should port openocd to TempleOS 2022-07-28T23:54:14 < machinehum> Zephyr is quite nice 2022-07-28T23:54:27 < machinehum> Very steep learning curve 2022-07-28T23:57:02 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 268 seconds] --- Day changed pe heinä 29 2022 2022-07-29T00:00:09 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-29T00:00:09 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-29T00:01:43 -!- specing_ is now known as specing 2022-07-29T00:02:06 < zyp> karlp, for the ADC common blocks, what do you think about renaming them from ADC_COMMON1 and ADC_COMMON3 to ADC12 and ADC345 respectively? 2022-07-29T00:03:14 < zyp> RM refers to the registers as e.g. ADC12_CCR and ADC345_CCR 2022-07-29T00:03:26 < zyp> «ADCx common control register (ADCx_CCR) (x = 12 or 345)» 2022-07-29T00:10:11 < zyp> hmm, maybe it's a bit silly for stm32wb to have an ADC12 when there's no ADC2 2022-07-29T00:10:18 < zyp> whatever :) 2022-07-29T00:54:23 -!- GenTooMan [~cyberman@c-73-214-106-63.hsd1.pa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-29T01:07:17 -!- GenTooMan 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ZZZzzz…] 2022-07-29T07:50:11 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-29T07:50:41 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-29T08:11:53 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-29T08:21:18 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-29T08:39:37 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 245 seconds] 2022-07-29T08:56:42 < Xogium> huh, possibly dumb question, but are qspi and sqi the same thing ? 2022-07-29T08:56:56 < Xogium> I keep seeing them used but never figured out 2022-07-29T09:13:07 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has joined ##stm32 2022-07-29T09:46:30 < PaulFertser> Xogium: qspi means 4 data lines can be used for data transfer. While regular SPI is just one line each direction. 2022-07-29T09:47:39 < Xogium> right 2022-07-29T09:47:45 < Xogium> so what about sqi ? 2022-07-29T09:48:09 < Xogium> jeez almost typoed that and typed sql instead hahaha 2022-07-29T09:49:48 < PaulFertser> Xogium: sqi doesn't sound familiar. 2022-07-29T09:49:58 < Xogium> I know right ? 2022-07-29T09:50:20 < Xogium> but I just saw that on mouser while checkout for getting my hands on a nor flash 2022-07-29T09:51:57 < PaulFertser> Xogium: probably it's just how "microchip" calls Quad-SPI. 2022-07-29T09:52:58 < Xogium> apparently stands for serial quad i/o 2022-07-29T09:53:24 < Xogium> confusing stuff 2022-07-29T09:54:46 < Xogium> hmm 2022-07-29T09:55:06 < Xogium> though this particular piece of info makes it sound like it is in fact different 2022-07-29T09:55:10 < Xogium> The Serial Quad I/O™ (SQI™) family of flash-memory devices features a six-wire, 4-bit I/O interface that allows for low-power, high-performance operation in a low pin-count package. SST26VF016B also supports full command-set compatibility to traditional Serial Peripheral Interface (SPI) protocol. 2022-07-29T09:56:15 < PaulFertser> It's probably just another (tm) name for the quad-spi as supported by other vendors. 2022-07-29T09:56:59 < Xogium> I suppose. Well, if its not, no big deal, won't waste much on it :p 2022-07-29T10:28:29 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 252 seconds] 2022-07-29T10:49:48 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Ping timeout: 252 seconds] 2022-07-29T11:03:08 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-29T11:20:00 -!- catphish [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-29T12:01:00 -!- specing [~specing@user/specing] has quit [Ping timeout: 268 seconds] 2022-07-29T12:01:12 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-29T12:02:52 -!- specing_ is now known as specing 2022-07-29T12:06:04 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-29T12:08:00 < mawk> I'm brewing juice https://i.imgur.com/qOBq65C.jpeg 2022-07-29T12:14:07 < Steffanx> Shouldn't you be working mr mawk? 2022-07-29T12:14:40 < Steffanx> Still in the working from home business? 2022-07-29T12:18:27 < mawk> I'm in paris 2022-07-29T12:18:33 < mawk> to fix one of our installations 2022-07-29T12:18:53 < mawk> but my boss and the boss of client company are fighting a duel on who's going to pay for my trip so I'm waiting and doing nothing instead 2022-07-29T12:30:30 < Steffanx> Lol 2022-07-29T12:31:10 < zyp> ah, you're the ransom 2022-07-29T12:31:38 < mawk> lol 2022-07-29T12:32:17 < mawk> if I could find a big ladder and some nice tools I could do it alone and not need the client 2022-07-29T12:32:24 < mawk> but I'm probably not allowed to climb on a ladder 2022-07-29T12:32:29 < mawk> insurance won't pay if I break a bone 2022-07-29T12:32:57 < Xogium> mawk: get a climbing harness 2022-07-29T12:32:58 < Xogium> :p 2022-07-29T12:33:15 < mawk> yeah 2022-07-29T12:33:19 < mawk> but my bank account is empty 2022-07-29T12:33:28 < Xogium> dang 2022-07-29T12:34:16 < Xogium> speaking of climbing, I'm never doing that one again... I once got challenged to climb a climbing wall upside down 2022-07-29T12:34:34 < Xogium> if I failed I was forced to drink raw lemon juice 2022-07-29T12:34:37 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-29T12:34:44 < mawk> I like raw lemon juice 2022-07-29T12:34:51 < mawk> I eat raw lemon too 2022-07-29T12:34:59 < mawk> sourness is the best taste 2022-07-29T12:35:10 < Xogium> that felt like a grenade of acid exploding in my mouth haha 2022-07-29T12:35:14 < Xogium> my jaw locked up 2022-07-29T12:36:32 < Xogium> but yeah climbing upside down is hard 2022-07-29T12:37:01 < mawk> Xogium: https://youtu.be/b2f36dM-vzw 2022-07-29T12:37:04 < mawk> Steffanx: https://youtu.be/b2f36dM-vzw 2022-07-29T12:37:08 < mawk> it's not hardcore I promise 2022-07-29T12:37:13 < mawk> it's french sung song 2022-07-29T12:38:20 < Xogium> lolz 2022-07-29T12:38:53 < Xogium> the first lyrics I heard because I accidentally pressed up arrow to jump a minute forward in mpv were 'I'm in love with you' 2022-07-29T12:39:06 < mawk> lol 2022-07-29T12:39:08 < Xogium> I don't know how I should take this :D 2022-07-29T12:39:11 < mawk> yeah it speaks about a girl named Chloé 2022-07-29T12:39:17 < mawk> unless you're named Chloé you have nothing to fear 2022-07-29T12:39:24 < Xogium> hahaha 2022-07-29T12:41:05 < Xogium> sometimes things like that happen though. Like that time where I was talking with my father and I said something like, damn this falls just at the wrong time doesn't it ? Half a second later we heard a big boom. The bottle of soap my mother was using in the shower fell on its own 2022-07-29T12:41:42 < mawk> can you talk about money in my bank account? it might appear the same way 2022-07-29T12:41:52 < mawk> I'm at -1500€ currently 2022-07-29T12:42:10 < Xogium> or like when someone watches tv and you ask them a question and instead of them replying, the guys on tv choose that exact moment to say yes or no 2022-07-29T12:42:31 < Xogium> ahahah dang I wish 2022-07-29T12:42:56 < Xogium> I remember all too well how it is being tight on money :/ 2022-07-29T12:43:00 < mawk> yesterday I was chilling on a bench in paris 20 2022-07-29T12:43:08 < mawk> and someone wheeled in a handicapped motherfucker in front of me 2022-07-29T12:43:16 < mawk> someone fed up with him probably 2022-07-29T12:43:28 < mawk> then he started talking to me, asking me to write stuff for him, asking me to find a nurse for him 2022-07-29T12:43:35 < mawk> so I had pity for him so I did it 2022-07-29T12:43:39 < mawk> but then he kept wanting stuff 2022-07-29T12:43:46 < mawk> so I wheeled him into a pharmacy and left him there 2022-07-29T12:45:10 < Xogium> yeah its hard to deal with handicapped folks sometimes. I know how that is, friend of mine at school was blind and, what's the word ? Trisomic, I think 2022-07-29T12:45:57 < mawk> yeah 2022-07-29T12:46:01 < mawk> down syndrome 2022-07-29T12:46:06 < mawk> in the language of shakespeare 2022-07-29T12:46:40 < Xogium> even for me its difficult to deal with folks like that. I guess having one disability doesn't mean you understand fully how it is for others 2022-07-29T12:49:01 < Xogium> but I think society shouldn't try and keep disabled people separate from everyone else, specially not for education. The moment they are left to roam free in the world, it can turn into a complete disaster because they aren't used to the normal world and just the same for the normal world being not used to them 2022-07-29T12:50:05 < Xogium> seen lots of people actually freezing and not being able to reply when I say hello to them 2022-07-29T12:50:40 < Xogium> sometimes I make myself the reflection that they should have a jtag debugger attached 2022-07-29T12:50:43 < Xogium> :D 2022-07-29T12:52:08 < mawk> lol 2022-07-29T13:02:17 < jpa-> sadly most people come only with this terribly slow acoustic debug interface 2022-07-29T13:03:07 < Xogium> jpa-: yeah it sucks 2022-07-29T13:03:10 < Xogium> ^^ 2022-07-29T13:10:51 < mawk> well french bureaucracy struck 2022-07-29T13:10:55 < mawk> I can't intervene on site 2022-07-29T13:10:58 < mawk> because it's vacation time 2022-07-29T13:11:07 < mawk> I guess I'll take vacation next week then 2022-07-29T13:11:21 < mawk> no climbing up ladders for me 2022-07-29T13:15:16 < mawk> the client is angry because the project isn't finished, but the client prevents us from intervening on site because we didn't sign up form RF5341-B-12 2 weeks in advance 2022-07-29T13:15:24 < mawk> vive la france 2022-07-29T13:15:35 < mawk> client is the paris regional transport authority, RATP 2022-07-29T13:16:04 < mawk> "autonomous authority of parisian transports" 2022-07-29T13:16:49 < zyp> jpa-, how clever do I have to be about sampling the motor currents? I've got the opamp and adc and dma and all the shit configured to sample the right inputs, just missing triggering to sample in the middle of the pwm low period, currently just running continously, do I need to filter it afterwards? 2022-07-29T13:17:08 < zyp> and how much resolution do I reasonably need? 2022-07-29T13:19:00 < zyp> zero current is biased to 129mV or so, so I've set the opamp to 16x gain, which will give me a resolution of 34 LSB/A 2022-07-29T13:19:15 < zyp> or 29 mA/LSB 2022-07-29T13:20:21 < zyp> when idle, I'm seeing noise of around ±3LSB 2022-07-29T13:20:22 < jpa-> you can calculate the smallest torque you want to run, and the current that it would need; you probably want at least 10 LSB worth of ADC reading at the lowest torque for FOC to make sense, though sometimes it makes sense to not try to keep 90° phase angle at lowest torques 2022-07-29T13:21:39 < jpa-> in one project i did it so that in the FOC target current calculation, I always added a small amount of current in the direction of the rotor - that keeps it running in synchronous speed if the load is very small and there is not much torque current needed 2022-07-29T13:22:51 < zyp> also, you said something that instead of doing the transforms back and forth, I could just regulate the current directly 2022-07-29T13:23:01 < jpa-> i haven't had need to filter the ADC readings for current control loop (the I term in PI-controller is a low pass filter anyway), but i often take a long average for purposes like estimating heating or power usage or average torque 2022-07-29T13:23:22 < zyp> i.e. just run the desired current through the transform and then run a direct controller on each phase? 2022-07-29T13:23:32 < jpa-> yeah, that is https://en.wikipedia.org/wiki/Direct_torque_control 2022-07-29T13:24:10 < jpa-> at simplest it can be on-off control executed fast enough, but using timer PWM reduces the CPU load because you can get away with a bit slower control loop 2022-07-29T13:25:25 < jpa-> nice thing about DTC is that the motor sound becomes white noise instead of a harmonic whine (though i guess with properly tuned everything, the noise generated by control should be minimal.. i haven't seen such a system :) 2022-07-29T13:36:55 < zyp> hmm, any examples? anything I find on DTC are still doing transforms so I'm not sure I understand it correctly 2022-07-29T13:46:05 < jpa-> you do still typically need a transform to get the target current direction from the rotor orientation 2022-07-29T13:47:22 < jpa-> in sensorless system you would have the BEMF voltage for each phase and could just normalize that vector to get the target current for each phase, but i don't think the difference in computation is very large vs. just doing the vector -> three phases transform 2022-07-29T13:47:45 < jpa-> you don't need to update the target current every time you run current loop 2022-07-29T13:48:53 < zyp> yeah, that's fine, but everybody still appears to be transforming the sensed current back to a complex number 2022-07-29T13:49:13 < jpa-> hmm, that shouldn't be necessary 2022-07-29T13:49:50 < zyp> why am I not finding examples of people not doing that then? 2022-07-29T13:54:31 < mawk> because we love complex numbers 2022-07-29T13:55:22 < jpa-> zyp: http://paste.dy.fi/yGg/plain this is the basic scheme like i have understood and implemented it 2022-07-29T13:55:31 < jpa-> zyp: what kind of examples have you found? 2022-07-29T13:57:02 < jpa-> i had a bit of trouble finding any good examples of DTC control, beyond the basic explanations 2022-07-29T13:57:29 < zyp> I'm mostly looking at block diagrams on google image search :) 2022-07-29T13:58:30 < jpa-> ah, many of those seem to be doing the transforms for the sensorless rotor direction estimation (which would then also go in the slow loop) 2022-07-29T13:59:26 < jpa-> my feeling is that having two different speed control loops is necessary for DTC to make any sense, but it seems most block diagrams don't show any separation between slow/fast 2022-07-29T14:01:48 < zyp> how about instead of having a fast loop, just feed the target currents through DACs into comparators and control the transistors directly from that? :) 2022-07-29T14:02:25 < jpa-> possible, though you'd need to add some kind of deadtime & glitch filtering 2022-07-29T14:02:32 < zyp> yeah 2022-07-29T14:03:44 < jpa-> if the comparators are very fast, it could end up switching the MOSFETs all the time, but that is easy to solve by lowpassing the feedback 2022-07-29T14:03:56 < jpa-> and/or adding hysteresis 2022-07-29T14:04:21 < jpa-> i haven't used hysteresis in software implementation but i guess it would make sense in hardware 2022-07-29T14:06:34 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-29T14:08:20 < jpa-> mechaduino uses A4954 motor driver to implement the current control for stepper motor in hardware, it is quite nice solution in that the slow arduino-based code only needs to output the target current X and Y components 2022-07-29T14:09:15 < jpa-> the internal block diagram of A4954 shows exactly that, comparator between current sense and reference input; and then a box that magically does MOSFET control logic :) 2022-07-29T14:12:54 < mawk> happy hardcore: https://youtu.be/1LOrRGmaDwA 2022-07-29T14:13:02 < mawk> delicacy for your eardrums 2022-07-29T14:37:24 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-29T14:56:19 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-29T14:56:32 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Read error: Connection reset by peer] 2022-07-29T14:56:53 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has joined ##stm32 2022-07-29T14:57:32 -!- c10ud [~c10ud@user/c10ud] has quit [Ping timeout: 245 seconds] 2022-07-29T15:11:42 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 245 seconds] 2022-07-29T15:13:45 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-29T15:16:22 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: Textual IRC Client: www.textualapp.com] 2022-07-29T16:06:58 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-29T16:18:25 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-29T16:32:32 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 245 seconds] 2022-07-29T16:49:12 < jpa-> https://i.imgur.com/wXNQP8G.jpeg <-- how nkon.nl ships batteries 2022-07-29T16:53:37 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-29T16:53:50 < BrainDamage> they didn't mix gasoline in the styrofoam 2022-07-29T16:56:57 < qyx> jpa-: yours? 2022-07-29T16:57:35 < jpa-> qyx: nah, friend is rebuilding some scooter battery pack 2022-07-29T16:58:09 < qyx> I assume li-ion unprotected 2022-07-29T16:58:32 < qyx> they could ship directly to .ua to use as amunition 2022-07-29T16:58:57 < BrainDamage> you just have to shake it enough to activate it, no need for a gun 2022-07-29T16:59:16 < jpa-> apparently there is plastic wrap on each cell, so no immediate shorts but still seems dodgy 2022-07-29T17:05:50 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-29T17:24:40 < jpa-> https://www.digikey.fi/en/products/detail/littelfuse-inc/0215010-MXF60P/4285806 eh, misled by image yet again; these fuses have legs :D 2022-07-29T17:25:46 < jpa-> hopefully they'll still fit a normal fuse holder if i cut the legs off 2022-07-29T17:32:02 -!- unrznbl[m] [~unrznblma@2001:470:69fc:105::ccfd] has joined ##stm32 2022-07-29T17:33:24 < unrznbl[m]> anyone know offhand if stm32f103(c6?) aka blue pill boards are capable of USB OTG? Maybe in NuttX or otherwise? I was interested in hooking up a USB keyboard to one. 2022-07-29T17:33:52 < jpa-> AFAIK no, i think STM32F103 only has USB device side 2022-07-29T17:34:27 < unrznbl[m]> ok, yeah I saw in datasheet USB 2.0 full-speed, not too familiar with USB specifics and such, thanks! 2022-07-29T17:34:55 < jpa-> they can probably do USB low-speed bitbang host in software, if you have usb low-speed keyboard 2022-07-29T17:35:24 < unrznbl[m]> right... makes sense... 2022-07-29T17:46:33 -!- drzacek [~drzacek@130-062-074-080.ip-addr.inexio.net] has quit [Quit: Leaving] 2022-07-29T17:52:41 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-29T18:13:40 < zyp> yeah, you can probably bitbank LS if you really want to, but it's probably easier to just grab a part with the OTG core 2022-07-29T18:14:50 -!- c10ud_ [~c10ud@host-213-26-199-10.business.telecomitalia.it] has quit [Quit: Leaving] 2022-07-29T18:15:21 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-29T18:15:45 -!- emisario [~Thunderbi@201.183.2.168] has quit [Client Quit] 2022-07-29T18:19:48 -!- ventYl [~ventyl@bband-dyn67.95-103-108.t-com.sk] has quit [Ping timeout: 276 seconds] 2022-07-29T18:32:54 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-29T18:36:07 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-29T18:48:53 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-29T18:54:03 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-29T19:04:49 < mawk> Laurence_b ?????? 2022-07-29T19:04:52 < mawk> why do you have an underscore 2022-07-29T19:04:57 < mawk> are you an usurper? 2022-07-29T19:05:33 < mawk> jpa-: mine were shipped wrapped in cellophane 2022-07-29T19:05:45 < mawk> it was 30 18650s 2022-07-29T19:05:53 < mawk> wrapped by packs of 10 2022-07-29T19:14:32 < Laurence_b> mawk: original id got b& 2022-07-29T19:14:52 < mawk> lol 2022-07-29T19:14:53 < mawk> why 2022-07-29T19:15:17 < mawk> I don't think you're supposed to come back if it's banned 2022-07-29T19:15:32 < mawk> you should at least hide 2022-07-29T19:21:18 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 268 seconds] 2022-07-29T19:22:30 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-29T19:27:55 < Laurence_b> sheeet 2022-07-29T19:28:10 < Laurence_b> I just turned 1L of milk into yogurt 2022-07-29T19:28:18 < Laurence_b> noice 2022-07-29T19:28:20 < mawk> by adding lime? 2022-07-29T19:28:33 < Laurence_b> by adding a few drops of live yogurt 2022-07-29T19:28:47 < Laurence_b> tastes nice too 2022-07-29T19:34:31 < BrainDamage> Laurence_b's diy'ing biological weapons based off botulin 2022-07-29T19:40:58 < mawk> lol 2022-07-29T19:58:39 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has joined ##stm32 2022-07-29T20:13:31 < Laurence_b> is yogurt meant to be made at high or low temperatures? 2022-07-29T20:15:16 < englishman> you heat it up to denature it (82C/180F or so) then cool it down to a good temp for the bacteria, i use 43C/110F 2022-07-29T20:15:59 < englishman> then let it sit at that temp for 12 hours with a spoon of yogurt, then it goes in a yogurt strainer in the fridge 2022-07-29T20:18:56 < Laurence_b> interesting, thanks 2022-07-29T20:19:15 < Laurence_b> this was an accident due to contamination 2022-07-29T20:19:23 < Laurence_b> it was at 5C for 36hours 2022-07-29T20:25:07 -!- emisario [~Thunderbi@201.183.2.168] has quit [Remote host closed the connection] 2022-07-29T20:25:25 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-29T20:35:44 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-29T20:45:37 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has quit [Quit: Client closed] 2022-07-29T21:22:29 -!- specing [~specing@user/specing] has quit [Quit: ZNC - https://znc.in] 2022-07-29T21:30:41 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-29T21:30:43 < Laurence_b> https://energyhouse2.salford.ac.uk/energy-house-labs/barratt-z-house/ 2022-07-29T21:30:47 < Laurence_b> kekking hard 2022-07-29T21:31:23 < Laurence_b> Putin house 2022-07-29T22:09:43 < mawk> 1·2·3·4 + 2·3·4·5 + 3·4·5·6 + 4·5·6·7 + 5·6·7·8 = 6·7·8·9 2022-07-29T22:09:47 < mawk> isn't that beautiful? 2022-07-29T22:09:56 < mawk> also 1·2·3 + 2·3·4 + 3·4·5 + 4·5·6 = 5·6·7 2022-07-29T22:11:24 < mawk> and 1·2 + 2·3 + 3·4 = 4·5 2022-07-29T22:11:42 -!- emisario [~Thunderbi@201.183.2.168] has quit [Ping timeout: 245 seconds] 2022-07-29T22:11:57 < mawk> the pattern continues to ∞ 2022-07-29T22:13:08 < mawk> prove the pattern zyp it's a nice exercise to start the weekend 2022-07-29T22:17:40 < mawk> the generic pattern hiding behind this one is actually 1[N] + 2[N] + ... + n[N] = (n+1)[N+1]/(N+1) 2022-07-29T22:17:52 < mawk> where we define x[N] := x(x-1)...(x-N+1) 2022-07-29T22:17:57 < mawk> it's the "falling exponent" 2022-07-29T22:18:21 < zyp> ok 2022-07-29T22:18:52 < mawk> it's easy using your telescope 2022-07-29T22:21:50 < zyp> jpa-, when I ordered batteries from nkon, they came in a similar looking box with the same foam filling, but the cells were also separated by a cardboard grid 2022-07-29T22:56:46 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-29T23:00:02 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 245 seconds] 2022-07-29T23:05:02 -!- BrainDamage [~braindama@user/BrainDamage] has quit [Ping timeout: 245 seconds] 2022-07-29T23:17:44 -!- BrainDamage [~braindama@user/BrainDamage] has joined ##stm32 2022-07-29T23:20:59 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-29T23:21:02 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 255 seconds] 2022-07-29T23:22:27 < machinehum> https://www.youtube.com/watch?v=T3rXdeOvhNE&ab_channel=RoadrunnerRecords 2022-07-29T23:24:42 < machinehum> https://imgur.com/a/c7ODaaT 2022-07-29T23:26:30 < machinehum> Nothing? 2022-07-29T23:26:34 < machinehum> Common that's gold 2022-07-29T23:30:42 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-29T23:33:34 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-29T23:35:46 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-29T23:38:56 -!- Laurence_B [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-29T23:39:01 < Laurence_B> kek machinehum 2022-07-29T23:48:06 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 244 seconds] 2022-07-29T23:49:36 < karlp> zyp: yea those common blocks are a bit hard to do well. I think in locm3 I finalised on ADC_COMMON1 and aliased as ADC_COMMON12 2022-07-29T23:54:01 < zyp> that's a bit annoyingly long, so I settled on ADC12 and ADC345 for now, but it's also possible to do more clever stuff 2022-07-29T23:54:38 < zyp> could e.g. not have them as separate blocks at all and do ADC1->COMMON->BLAH 2022-07-29T23:55:14 < zyp> or the opposite way around, having ADC12 as the top level and the individual blocks nested 2022-07-29T23:56:38 -!- begriffs [~begriffs@user/begriffs] has quit [Ping timeout: 240 seconds] --- Day changed la heinä 30 2022 2022-07-30T00:00:00 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T00:02:12 < karlp> ADCn and ADCCn perhaps? 2022-07-30T00:02:44 < karlp> I'm easy. I have no production shit using this, so rename at will :) 2022-07-30T00:03:58 < zyp> already renamed to ADC12 and ADC345, so I figure they can remain like that until somebody comes up with something more clever 2022-07-30T00:04:01 < zyp> it's bikeshedding anyway 2022-07-30T00:04:48 < zyp> what I'd rather want is a good abstraction around this, but there's so much interaction between different peripherals that I don't see how that'll ever make anything easier 2022-07-30T00:06:52 < karlp> yeah, I decided I wanted it to be same style as the rest of new shit first, and then write code, see what user APIs might shake out. 2022-07-30T00:07:05 < karlp> instead of "write shitty little poitnless helpers, see if theyre useful" 2022-07-30T00:07:43 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has quit [Ping timeout: 244 seconds] 2022-07-30T00:12:32 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has quit [Ping timeout: 245 seconds] 2022-07-30T00:14:45 < zyp> indeed 2022-07-30T00:20:17 -!- GenTooMan [~cyberman@2601:547:437f:e5c6:21f:5bff:fefe:a883] has joined ##stm32 2022-07-30T00:52:13 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-30T01:47:07 -!- boB_K7IQ [~boB_K7IQ@152.44.147.180] has quit [Ping timeout: 245 seconds] 2022-07-30T01:57:32 -!- begriffs [~begriffs@user/begriffs] has quit [Read error: Connection reset by peer] 2022-07-30T01:58:21 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T02:08:12 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-30T02:10:24 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-30T02:17:22 -!- Laurence_B [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Quit: Client closed] 2022-07-30T02:19:02 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has joined ##stm32 2022-07-30T02:26:13 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 252 seconds] 2022-07-30T02:38:30 -!- emisario [~Thunderbi@201.183.2.168] has quit [Quit: emisario] 2022-07-30T02:53:28 -!- begriffs [~begriffs@user/begriffs] has quit [Read error: Connection reset by peer] 2022-07-30T02:55:50 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T02:58:14 -!- begriffs [~begriffs@user/begriffs] has quit [Read error: Connection reset by peer] 2022-07-30T02:58:48 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T02:59:51 -!- begriffs [~begriffs@user/begriffs] has quit [Remote host closed the connection] 2022-07-30T03:00:16 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T03:10:13 -!- begriffs [~begriffs@user/begriffs] has quit [Ping timeout: 252 seconds] 2022-07-30T03:12:00 -!- begriffs [~begriffs@user/begriffs] has joined ##stm32 2022-07-30T03:15:35 -!- begriffs [~begriffs@user/begriffs] has quit [Client Quit] 2022-07-30T03:49:37 -!- ferdna [~ferdna@user/ferdna] has quit [Ping timeout: 245 seconds] 2022-07-30T04:18:53 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-30T04:20:06 -!- catphish_ [~charlie@user/catphish] has quit [Remote host closed the connection] 2022-07-30T04:20:25 -!- catphish_ [~charlie@user/catphish] has joined ##stm32 2022-07-30T04:45:19 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-30T04:57:58 -!- lagash [lagash@lagash.shelltalk.net] has quit [Ping timeout: 240 seconds] 2022-07-30T05:04:24 -!- lagash [lagash@2605:6400:20:b4:9c76:1538:3398:ce71] has joined ##stm32 2022-07-30T05:17:49 -!- catphish_ [~charlie@user/catphish] has quit [Ping timeout: 252 seconds] 2022-07-30T05:18:20 -!- catphish [~charlie@user/catphish] has quit [Ping timeout: 260 seconds] 2022-07-30T06:17:02 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-30T06:45:03 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has quit [Remote host closed the connection] 2022-07-30T06:50:44 -!- emisario [~Thunderbi@201.183.2.168] has quit [Ping timeout: 268 seconds] 2022-07-30T07:11:28 -!- emisario [~Thunderbi@201.183.2.168] has joined ##stm32 2022-07-30T07:32:35 -!- rektide [~rektide@eldergods.com] has quit [Ping timeout: 244 seconds] 2022-07-30T07:34:22 -!- rektide [~rektide@eldergods.com] has joined ##stm32 2022-07-30T08:02:33 -!- Sadale [~Sadale@user/sadale] has quit [Ping timeout: 244 seconds] 2022-07-30T08:03:44 -!- Sadale [~Sadale@user/sadale] has joined ##stm32 2022-07-30T08:14:08 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has quit [Quit: My MacBook has gone to sleep. ZZZzzz…] 2022-07-30T08:34:20 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has quit [Ping timeout: 268 seconds] 2022-07-30T10:02:32 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 245 seconds] 2022-07-30T10:02:52 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has joined ##stm32 2022-07-30T10:35:30 -!- phryk [~totallyno@user/phryk] has joined ##stm32 2022-07-30T10:37:04 < phryk> I want to do some fancy high-power LED stuff, so I'm trying to find out which STM32 lines have how many hardware PWM channels, but that info doesn't seem to be in any overview. Do I have to manually check the datasheet for every single STM32 controller? 2022-07-30T10:59:59 < jpa-> probably, though that is made easier now that there aren't many STM32 models you can buy anyway 2022-07-30T11:02:41 < phryk> oof^^ 2022-07-30T11:03:06 < phryk> well, i just ordered a bunch of 50W RGB leds.^^ 2022-07-30T11:03:48 < jpa-> at such power levels, it might make sense to use a proper SMPS LED driver chip to control them 2022-07-30T11:04:14 < jpa-> instead of having huge current spikes 2022-07-30T11:05:38 < phryk> huh? i was thinking of just using some big mosfets… 2022-07-30T11:09:03 -!- Linux_Kerio [~Linux_Ker@chello085216193138.chello.sk] has joined ##stm32 2022-07-30T11:11:01 < phryk> jpa-: can you elaborate on whatever the thing you talked about is? 2022-07-30T11:12:55 < jpa-> if you just use big mosfets to switch the power on and off to the LEDs, you get big current spikes every time the LEDs switch on 2022-07-30T11:13:28 < jpa-> if you use a switch mode power supply design, the LED current is more stable and typically also efficiency is improved 2022-07-30T11:13:57 < jpa-> are those LEDs designed for constant voltage (internal resistor) or for constant current drive? 2022-07-30T11:14:51 < Xogium> huh, speaking of lead time ans availability it looks like I'm somehow lucky.. The mcu I'm interested in has a lead time of 17 weeks. Some in that serie have ones of 53 weeks or more 2022-07-30T11:15:28 < Xogium> it... could have been a lot worse, I suppose 2022-07-30T11:16:47 < jpa-> yeah, it could be they won't meet even the 53 week lead time either :) 2022-07-30T11:16:55 < Xogium> yeah, what I'm thinking 2022-07-30T11:17:41 < Xogium> especially that I think this serie is one of the most wanted 2022-07-30T11:17:45 < Xogium> the l4 one 2022-07-30T11:19:19 -!- specing_ [~specing@user/specing] has joined ##stm32 2022-07-30T11:19:19 -!- specing [~specing@user/specing] has quit [Killed (NickServ (GHOST command used by specing_))] 2022-07-30T11:20:55 -!- specing_ is now known as specing 2022-07-30T11:29:37 -!- specing [~specing@user/specing] has quit [Ping timeout: 252 seconds] 2022-07-30T11:39:09 -!- specing [~specing@user/specing] has joined ##stm32 2022-07-30T12:08:14 < phryk> jpa-: no idea (re: led design), ordered them here https://www.ebay.at/itm/182372454562?hash=item2a763ed0a2:g:PgAAAOSwEzxYQfs4 2022-07-30T12:09:13 < phryk> told the seller to send me the datasheet via e-mail, if there is one.^^ 2022-07-30T12:09:23 < jpa-> so, constant current 2022-07-30T12:10:05 < jpa-> you'll need some way to do current regulation in any case, just sticking a voltage on them would burn the LED 2022-07-30T12:13:56 < zyp> phryk, how many PWM channels do you need? 2022-07-30T12:14:42 < zyp> I think pretty much everything will have at least 16 2022-07-30T12:14:54 < phryk> zyp: at least 12, and i want to do at least 100 updates of the brightness value per second 2022-07-30T12:15:36 < zyp> yeah, pretty much everything except the low-lowend ones will do 12 easily 2022-07-30T12:16:30 < phryk> does that include the stm32f0 or is that that low-lowend you're talking about? 2022-07-30T12:17:06 < zyp> f0 and g0 are lowend, but there's variation between those as well 2022-07-30T12:17:45 < zyp> e.g. f0 might have enough timer channels, but the tssop20 package might not have enough brought out to physical pins 2022-07-30T12:28:41 < zyp> if I'm counting right, f042 in tssop20 can output 11 timer channels at once 2022-07-30T12:30:08 < zyp> internally it got 17 channels, so that's what the qfp48 could do 2022-07-30T12:30:40 < zyp> or 15 maybe, not sure 2022-07-30T12:30:58 < zyp> and that's before you start looking for conflicts with other stuff you need that uses the same pins 2022-07-30T12:37:32 -!- emisario [~Thunderbi@201.183.2.168] has quit [Ping timeout: 245 seconds] 2022-07-30T12:39:16 < phryk> zyp: so… if i use at least an f1, i should probably be good?^^ 2022-07-30T12:49:05 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-30T12:53:16 < zyp> probably, although f1 is more restrictive on what combinations of peripherals you're using 2022-07-30T12:53:51 < zyp> and it still depends on what other IO you're gonna be using 2022-07-30T12:54:01 < phryk> this will only need usb to get the color data in and the pwm outputs to drive mosfets. 2022-07-30T12:55:06 < zyp> I'd consider stmg0b1 in qfp48, LCSC had 6k in stock last I checked 2022-07-30T12:55:10 < phryk> afaik all stm32 have some kinda UART and all of them should be good enough to handle 9600 baud, which would exactly fit 100 updates per second for 12 channels. :P 2022-07-30T12:55:22 < zyp> I thought you said USB 2022-07-30T12:56:05 < phryk> am i mixing things up again? UART is the thing on the chip that allows me to establish a serial connection via USB, no? 2022-07-30T12:56:35 < zyp> no 2022-07-30T12:57:53 < zyp> UARTs are plain serial ports, nothing to do with USB 2022-07-30T12:59:34 < phryk> ah, alright. then no idea how i wanna do input^^ 2022-07-30T12:59:51 < zyp> you want USB 2022-07-30T13:00:03 < zyp> https://lcsc.com/product-detail/ST-Microelectronics_STMicroelectronics-STM32G0B1CBT6_C2847904.html 2022-07-30T13:00:18 < zyp> this is available and probably a good fit for what you want to do 2022-07-30T13:01:10 < phryk> *bookmark* 2022-07-30T13:01:35 < phryk> will have to see about getting a roughly compatible devboard to do prototyping with… 2022-07-30T13:10:31 < phryk> https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-mpu-eval-tools/stm32-mcu-mpu-eval-tools/stm32-nucleo-boards/nucleo-g0b1re.html seems to be the only devboard with g0b1 on it… 2022-07-30T13:33:24 < Xogium> booooored 2022-07-30T13:49:47 < Steffanx> Time for a bicycle trip Xogium 2022-07-30T13:49:58 < Xogium> ahahah 2022-07-30T13:51:02 < Xogium> I can sort of do that, but I have to get on a tendem bike with someone, or be in a relatively safe area where I can bike on my own but I still have to keep the small training wheels lol. Otherwise it goes, ground 1, xogium 0 in about 5 seconds 2022-07-30T13:51:03 < Steffanx> I'm sure it would be boring 😉 2022-07-30T13:51:08 < Steffanx> Wont* 2022-07-30T13:51:09 < Steffanx> Lol 2022-07-30T13:51:52 < jpa-> you need a train track bike.. and preferrably abandoned track, or fast legs 2022-07-30T13:52:00 < Xogium> hehehehe 2022-07-30T13:52:42 < Xogium> but yeah I could never quite get the balance required to keep from falling down from a bike 2022-07-30T13:54:21 < Xogium> probably has something to do with the way I walk in general. I heard sighted people tend to lean forward when walking, to watch their step or something like that 2022-07-30T13:54:27 < Steffanx> Get a tricycle 2022-07-30T13:54:29 < Xogium> I do the exact oposite, I lean backwards 2022-07-30T13:55:43 < Xogium> which translates to, its super easy to make me take a tumble, because I'm out of balance all the time 2022-07-30T13:59:04 < Xogium> heh that also reminds me the first time I tried a treadmill. Holding the 2 handles on the side was fine. But the guy who made me try it went like, try to not hold this. I fell down, got way too dizzy lol 2022-07-30T13:59:54 < Xogium> life is fun 2022-07-30T14:02:24 -!- Steffanx [~steffanx@user/steffanx] has quit [Ping timeout: 268 seconds] 2022-07-30T14:03:38 -!- Steffanx [~steffanx@user/steffanx] has joined ##stm32 2022-07-30T14:35:50 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has joined ##stm32 2022-07-30T14:35:53 < Laurence_b> https://nitter.net/pic/media%2FFYv9weWXwAAMBDQ.jpg%3Fname%3Dsmall 2022-07-30T16:34:38 -!- ferdna [~ferdna@user/ferdna] has joined ##stm32 2022-07-30T16:39:52 -!- Laurence_b [~Laurenceb@80.200.208.46.dyn.plus.net] has quit [Ping timeout: 252 seconds] 2022-07-30T16:51:56 -!- colorado [~fluiD@66.186.216.91] has joined ##stm32 2022-07-30T16:53:26 -!- fluiD [~fluiD@66.186.216.91] has quit [Read error: Connection reset by peer] 2022-07-30T17:34:17 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has joined ##stm32 2022-07-30T17:36:03 -!- [itchyjunk] [~itchyjunk@user/itchyjunk/x-7353470] has joined ##stm32 2022-07-30T17:54:12 -!- akaWolf [~akaWolf@akawolf.org] has quit [Ping timeout: 276 seconds] 2022-07-30T18:06:36 -!- kraiskil [~kraiskil@10.121.104.92.dynamic.wline.res.cust.swisscom.ch] has quit [Ping timeout: 268 seconds] 2022-07-30T18:34:54 -!- bitmask [~bitmask@c-69-141-221-242.hsd1.nj.comcast.net] has joined ##stm32 2022-07-30T18:40:42 -!- akaWolf [~akaWolf@akawolf.org] has joined ##stm32 2022-07-30T18:45:15 -!- kraiskil [~kraiskil@mob-194-230-155-237.cgn.sunrise.net] has joined ##stm32 2022-07-30T18:57:57 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-30T19:18:26 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-30T19:20:48 < catphish> motor tuning by guesswork is surprisingly boring! 2022-07-30T19:23:08 < catphish> i'm trying to work out the correct balance of voltage vs current in my motor to give optimal torque with minimal current 2022-07-30T19:23:09 -!- MangyDog [~Mange@82-69-39-176.dsl.in-addr.zen.co.uk] has joined ##stm32 2022-07-30T19:23:49 < catphish> obviously more power with less current means more voltage (simples), but there comes a point where the motor just turns the extra voltage into heat 2022-07-30T19:24:26 < catphish> so i'm going through this rather boring exercise of guesswork and charting: https://openinverter.org/forum/viewtopic.php?p=43306#p43306 2022-07-30T19:25:02 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has quit [Ping timeout: 245 seconds] 2022-07-30T19:25:20 -!- Mangy_Dog [~Mange@user/mangy-dog/x-7397214] has joined ##stm32 2022-07-30T19:27:04 < jpa-> catphish: maybe you can run a set of acceleration curves with different parameters automatically 2022-07-30T19:27:37 -!- MangyDog [~Mange@82-69-39-176.dsl.in-addr.zen.co.uk] has quit [Ping timeout: 272 seconds] 2022-07-30T19:27:48 < catphish> jpa-: i would, were it not for the fact that the motor is in my car 2022-07-30T19:28:13 < catphish> i could potentially do it with the car raised off the ground 2022-07-30T19:28:42 < catphish> but i fear with no load it will accelerate too fact for the results to be meaningful 2022-07-30T19:28:47 < catphish> *too fast 2022-07-30T19:29:30 < jpa-> it can run in reverse too? so just make it go back and forth down your home street :) 2022-07-30T19:31:04 < catphish> that's near enough what i'm doing, but manually 2022-07-30T19:31:29 < catphish> not sure it would go down well if i did it unattended :D 2022-07-30T19:31:33 < BrainDamage> you could automatically switch between different parameters during drive 2022-07-30T19:31:44 < BrainDamage> and monitor performance for each 2022-07-30T19:32:05 < BrainDamage> as long as you don't pick something catastrophic, it'll be just a drive with worse efficiency 2022-07-30T19:32:32 < BrainDamage> plus it's going to be fun having the car behaving differently from 10 min before 2022-07-30T19:32:43 < catphish> well, now that i've discounted the ridiculous / dangerous extremes, that might work well 2022-07-30T19:33:06 < catphish> ideally i need a consistent test though. 2022-07-30T19:33:35 < catphish> 0-60 at full throttle is a good test because 1) if it's going to draw too much current, that's when it'll happen 2) it's easy to be consistent 2022-07-30T19:34:22 < jpa-> i wonder if you could adjust it on the fly, like MPPT controllers do 2022-07-30T19:35:01 < catphish> for what purpose? 2022-07-30T19:35:05 < BrainDamage> yes, you call it "machine learning", aka multivariate convex vector descent 2022-07-30T19:35:17 < BrainDamage> to find the optimum 2022-07-30T19:35:21 < BrainDamage> in one go 2022-07-30T19:35:24 < jpa-> catphish: automatically, to adapt to changing situation 2022-07-30T19:35:44 < catphish> there should be one answer that's good for all situations 2022-07-30T19:35:59 < catphish> it' s just a matter of finding it 2022-07-30T19:36:07 < BrainDamage> did you save the past data values? 2022-07-30T19:36:15 < catphish> sure 2022-07-30T19:36:22 < jpa-> i bet at least load torque, motor temperature and motor RPM affect it 2022-07-30T19:36:47 < BrainDamage> control electronics' temp will affect it more than the motor 2022-07-30T19:36:50 < catphish> jpa-: torque and rpm are the inputs, yes (i ignore temperature) 2022-07-30T19:37:17 < catphish> jpa-: the algorithm is torque + rpm => voltage + frequency 2022-07-30T19:37:28 < jpa-> true, control electronics temperature and battery temperature + charge status will also affect it, if you want to optimize whole system efficiency and not just motor efficiency 2022-07-30T19:37:29 < BrainDamage> catphish: have you tried plotting the various values to see if there's a convexity? 2022-07-30T19:37:35 < catphish> for every value of torque and RPM there is an optimal voltage and frequency 2022-07-30T19:38:58 < catphish> BrainDamage: i've not got enough data points for that yet,, but now that i know the ballpack it would be nice to do a more consistent set of tests 2022-07-30T19:39:59 < jpa-> does your motor controller have the capability to measure rotor field angle vs. stator field angle (e.g. backemf measurement)? 2022-07-30T19:41:16 < catphish> jpa-: it has current sensors, which mean that in theory yes, but in practice the maths is too complicated for me, and for the person who wrote this implementation 2022-07-30T19:41:39 < catphish> if i knew the rotor field angle, this would be a trivial exercise 2022-07-30T19:41:48 < jpa-> yes :) 2022-07-30T19:42:15 < jpa-> but i agree the measurement is not easy to arrange in high power stuff 2022-07-30T19:42:16 < catphish> but calculating that angle from EMF and current is something i've tried and failed to do in the past :) 2022-07-30T19:44:01 < catphish> so what i'm trying to do instead is just find the correct balance of current (controlled by slip) and voltage 2022-07-30T19:44:07 < jpa-> if you have a long hill with flat slope nearby, you could drive up it at a constant speed while commanding the controller to sweep the voltage - then you would directly see the optimal ratio for the RPM you were going at 2022-07-30T19:45:42 < jpa-> though i guess with some processing, you'll get the same info from the acceleration curves 2022-07-30T19:48:05 < catphish> right now the plan is basically just to move the slip in increments, each time adjusting the voltage so that the current ends up the same as before, and compare acceletation 2022-07-30T19:48:17 -!- boB_K7IQ [~boB_K7IQ@c-24-19-1-225.hsd1.wa.comcast.net] has quit [Ping timeout: 252 seconds] 2022-07-30T19:48:27 < catphish> if the same current gives faster acceleration then i can conclude that i've found a superior value of slip 2022-07-30T19:48:40 < jpa-> are you comparing just average acceleration or the instantaneous acceleration vs. RPM? 2022-07-30T19:49:49 < catphish> right now i'm just comparing 0-60mph time, i realise this isn't perfect but since the software doesn't allow slip to vary with speed, it's going to produce the most useful overall result 2022-07-30T19:50:32 < catphish> with that said, i can easily differentiate the speed values and plot acceleration across the whole range afterwards to see if there's any bad points 2022-07-30T19:51:43 < catphish> basically the data points i have are: speed (which can be differentiated to get acceleration), AC current, and DC current (both of which i want to keep within a specific limit to avoid damage) 2022-07-30T19:52:24 < catphish> i also have the temperatures of the motor and IGBT heatsink, but those are bascally just a function of AC current and time 2022-07-30T20:14:19 -!- kraiskil [~kraiskil@mob-194-230-155-237.cgn.sunrise.net] has quit [Ping timeout: 252 seconds] 2022-07-30T20:41:21 -!- kaki [~kaki@87-93-216-109.bb.dnainternet.fi] has joined ##stm32 2022-07-30T21:11:14 < machinehum> https://machinehum.medium.com/im-building-a-self-destructing-usb-drive-e423b8b7c9f 2022-07-30T21:11:40 < machinehum> Does ST make any baby little bga packages with 8 pins 2022-07-30T21:14:02 < catphish> that project seems like a good idea poorly implemented 2022-07-30T21:16:30 < catphish> much better to make the activation mechanism select one half of the flash or the other so that the stick can present innocent contents when not activated 2022-07-30T21:22:54 < benishor> https://www.19fortyfive.com/2022/07/stop-saying-hypersonic-missiles-cant-be-killed-because-they-are-mach-5-fast/ 2022-07-30T21:38:01 -!- CatCow [~wtf_over@c-73-96-109-206.hsd1.or.comcast.net] has quit [Quit: My MacBook Air has gone to sleep. 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I don't seem to be getting any logs in the console either :/ 2022-07-31T21:46:11 < jpa-> you're better off that way 2022-07-31T21:56:50 -!- ferdna [~ferdna@user/ferdna] has quit [Quit: Leaving] 2022-07-31T21:59:55 -!- steve [~steve@ool-182c2b80.dyn.optonline.net] has joined ##stm32 2022-07-31T22:11:11 < zyp> :) 2022-07-31T22:14:59 < zyp> karlp, ended up ordering a t3b with both the t210 and t115 handles, curious to see how they compares 2022-07-31T22:15:35 < zyp> also ordered a rd6024 2022-07-31T22:16:19 < srk> cool. we're gonna build couple of these https://github.com/Jana-Marie/Otter-Iron-PRO 2022-07-31T22:16:41 < zyp> nice 2022-07-31T22:17:54 < srk> I've tried hooking up t210 to lab psu to test it and like wow 2022-07-31T22:18:01 < srk> time for a controller 2022-07-31T22:18:19 < zyp> I've already got a TS80P to cover my USB-PD soldering needs 2022-07-31T22:18:39 < zyp> (and I've yet to find a good reason to use it for anything) 2022-07-31T22:18:40 < srk> ts100 is my daily driver but some stuff needs watts 2022-07-31T22:18:53 < srk> like rc connectors / rc lipos 2022-07-31T22:19:33 < zyp> my daily driver is still the old weller ws80 I've got sitting on my desk 2022-07-31T22:20:47 < srk> what I like about ts100 is that I can carry it around with just 4s lipo hooked up 2022-07-31T22:20:59 < srk> rarely connect it to PSUs 2022-07-31T22:22:01 < srk> I'm gonna need some USB-PD power bank for the otter iron heh 2022-07-31T22:22:08 < zyp> what I like about the ts80p is that it's great to keep in the travel bag, can just plug the laptop supply into it 2022-07-31T22:22:15 -!- Steffanx [~steffanx@user/steffanx] has quit [Quit: Whop whop] 2022-07-31T22:23:02 < srk> yep. I always carry the ts100 with me when I go flying, I can just plug a lipo from quad into it and fix the quad :D 2022-07-31T22:23:03 < zyp> I don't have a PD power bank yet, but I can just grab one as soon as I need a battery powered solder iron 2022-07-31T22:23:56 < zyp> I bring my laptop (with PSU) way more often than I bring lipo packs ;) 2022-07-31T22:24:36 < srk> hehe. I don't carry laptops around much nowadays. only for the initial betaflight tuning session 2022-07-31T22:25:09 < srk> my x230 is hooked up to a 3d printer atm, booted from usb key. older x200 is like a youtube/twich terminal 2022-07-31T22:26:35 -!- specing [~specing@user/specing] has quit [Ping timeout: 252 seconds] 2022-07-31T22:30:58 -!- Steffanx [~steffanx@user/steffanx] has joined ##stm32 2022-07-31T22:33:10 < bulletsquid> jpa-: how so? i dont see any guides for stm32 dev that says to use anything else 2022-07-31T22:33:41 < zyp> moses didn't need a guide either 2022-07-31T22:35:41 < bulletsquid> that doesnt really help me get on the right path 2022-07-31T22:36:05 < karlp> zyp: nice, youve used real jbc stuff too right? good comparison then 2022-07-31T22:36:19 < srk> bulletsquid: hey :) what are you trying to do? 2022-07-31T22:36:32 < zyp> karlp, well, yeah, but that was >8 years ago 2022-07-31T22:36:33 < karlp> I've only got the weller cartridge system at work, that I don't like much, and my ~25yo hakko 936 2022-07-31T22:37:43 < bulletsquid> srk: Hi! I have an stm32h750 devkit that i want to play with. But not sure where to even start... docs from st say to use stm32cubeide but that isnt even working on my machine 2022-07-31T22:38:49 < srk> bulletsquid: try libopencm3, cube stuff is terrible except for pin mapping and clock tree configurators (cubemx) 2022-07-31T22:39:40 < srk> or even baremetal, or something in the midle like LL drivers 2022-07-31T22:39:47 < srk> or rust! :D 2022-07-31T22:40:15 < karlp> fucking, can't push my own branch to my own repo because of oocd gerrit hook shits. 2022-07-31T22:40:22 < zyp> hah 2022-07-31T22:40:43 < srk> you need more --force switches 2022-07-31T22:40:46 < bulletsquid> srk: awesome, thats a good start. i have another question though. what would be the difference of using something like libopencm3 vs installing nuttx on it? 2022-07-31T22:40:47 < karlp> ther's a commit-msg hook, but i've disabled that, 2022-07-31T22:40:55 < karlp> and I can't see what's doing a push hook anyway 2022-07-31T22:41:25 < karlp> nope, -f doesn't help 2022-07-31T22:41:27 < srk> bulletsquid: it's like framework vs RTOS (nuttx is also sort of a framework with RTOS..) 2022-07-31T22:42:11 < srk> I was just kidding 2022-07-31T22:42:12 * srk runs 2022-07-31T22:45:08 < srk> bulletsquid: it all depends on what kind of fw you're going to build. rtos might be overkill at first if you don't need scheduling/tasks 2022-07-31T22:45:29 < bulletsquid> it has an lcd screen so i might do some gui stuff with it 2022-07-31T22:45:35 < bulletsquid> so i think scheduling will be needed eventually 2022-07-31T22:46:21 < bulletsquid> but im all new to this so getting a blinking led would be a great start :) 2022-07-31T22:47:14 < srk> :)) try it with libopencm3, baremetal and with rtos to get a feel for all these 2022-07-31T22:49:30 -!- tkoskine [tkoskine@kapsi.fi] has quit [Ping timeout: 240 seconds] 2022-07-31T22:49:34 < jpa-> chibios is worth trying also 2022-07-31T22:50:01 < srk> very posixy! 2022-07-31T22:50:08 < jpa-> and if you like python, no reason not to throw micropython in the mix too 2022-07-31T22:50:16 < srk> eww 2022-07-31T22:50:50 < srk> very jittery 2022-07-31T22:51:11 < jpa-> why jittery? 2022-07-31T23:00:24 -!- tkoskine [tkoskine@kapsi.fi] has joined ##stm32 2022-07-31T23:01:05 < Steffanx> Why isnt Haksell in the mix yet? 2022-07-31T23:01:16 < Steffanx> with its towery things 2022-07-31T23:03:08 < srk> no h7 sup :( 2022-07-31T23:03:40 -!- fluiD [~fluiD@66.186.216.91] has quit [Remote host closed the connection] 2022-07-31T23:04:47 < Steffanx> ah too bad 2022-07-31T23:05:33 < srk> more cores break many assumptions in my "hal" generator 2022-07-31T23:05:34 -!- fluiD [~fluiD@66.186.216.91] has joined ##stm32 2022-07-31T23:06:10 < srk> and I'm a bit skeptical about investing significant time into supporting new ST chips atm 2022-07-31T23:15:01 -!- rajkosto [~rajkosto@178-221-113-126.dynamic.isp.telekom.rs] has joined ##stm32 2022-07-31T23:20:10 -!- catphish [~charlie@user/catphish] has joined ##stm32 2022-07-31T23:24:06 < catphish> turns out our women are good at football! 2022-07-31T23:28:16 < Steffanx> No, they are better than the other women 2022-07-31T23:29:02 < Steffanx> Also: Soccer 2022-07-31T23:35:31 < karlp> srk: but ivory towers.... perfections? what do you mean it doesn't support more htan one core... 2022-07-31T23:39:32 < srk> karlp: it's complicated. the tooling I wrote for generating all the hardware related boilerplate doesn't cope well with some h7 nowelties. not that it's not impossible or something, freertos and generated C would work just fine but there's not enough motivation 2022-07-31T23:39:51 < begriffs> I'm using the default reset_handler from libopencm3, and it's causing a bus error (STKERR in particular) in the second instruction of the handler: push {r3, r4, r5, lr} 2022-07-31T23:39:52 < srk> and I only have one h7 and it controls a quad xD 2022-07-31T23:40:17 < karlp> I'm just stirring shit, don't worry :) 2022-07-31T23:40:22 < begriffs> Can't even make it to main() on my blue pill demo app, and running out of ideas 2022-07-31T23:40:28 < zyp> begriffs, sounds like your stack pointer is fucked up, check what value sp register has 2022-07-31T23:41:04 < karlp> begriffs: or, alternatively, check that your linker script or deviceid selection matches reality... 2022-07-31T23:41:24 < karlp> stack will default to end of ram, and if that's past the actual end of ram, you get that sort of behaviour. 2022-07-31T23:41:57 < zyp> that's the next step 2022-07-31T23:42:00 < qyx> 64/128k wizardry? 2022-07-31T23:42:10 < qyx> sorry thats flash 2022-07-31T23:42:13 < begriffs> Right after a reset halt, I'm sitting in reset_handler, and sp = 0x20004fd0 2022-07-31T23:42:13 < zyp> I like to see how it's fucked up before I go on to reason why it's fucked up 2022-07-31T23:42:31 < zyp> what part is this? 2022-07-31T23:43:31 < zyp> anyway, what I want to know is what sp is at the time of hardfault :) 2022-07-31T23:43:49 < zyp> 0x20004fd0 is just under 20k, i.e. sane for a device with 20k ram 2022-07-31T23:44:00 < karlp> Steffanx: awww, that's mean... just because your women suck. 2022-07-31T23:45:09 < begriffs> linker script looks like this: https://bpa.st/H63Q 2022-07-31T23:45:33 < zyp> yeah, that's consistent with the initial sp value 2022-07-31T23:45:47 < zyp> so again, what part is this? does it actually have 20k ram? 2022-07-31T23:47:29 * karlp is betting on no... 2022-07-31T23:47:30 < srk> karlp: I've gave it a shot tho! but the motivation.. I have no use for h7s myself 2022-07-31T23:47:57 < srk> who needs a 400mhz mcu?! 2022-07-31T23:48:17 < rajkosto> anyone driving a GUI 2022-07-31T23:48:25 < qyx> also, who needs more than 640k of ram 2022-07-31T23:48:27 < begriffs> I run next in gdb, and it still shows me as being on the open brace of the function, and sp becomes 0x20005000. I run next again, and I land in blocking_handler (the default assigned to bus fault). Then sp is back down at 4fd0 2022-07-31T23:48:50 < karlp> begriffs: so... again.... what part do you -actually- have :) 2022-07-31T23:49:45 < Steffanx> karlp: that too, but its still meh. 2022-07-31T23:50:11 < Steffanx> The English must thank the dutch though, for the coach 2022-07-31T23:50:45 < begriffs> I got this blue pill clone https://www.aliexpress.com/item/3256802982930102.html 2022-07-31T23:50:52 < srk> rajkosto: at 200fps? 2022-07-31T23:51:02 < srk> that would be nice actually 2022-07-31T23:51:29 < karlp> begriffs: which one? 2022-07-31T23:51:34 < srk> this xeon seems to lag at like 10fps with much stuff open 2022-07-31T23:51:35 < karlp> c6 or c8? 2022-07-31T23:51:40 < qyx> begriffs: he is asking you to look at the chip and type the part number here 2022-07-31T23:51:42 < zyp> c6, presumably 2022-07-31T23:51:54 * karlp bets on that, yes :) 2022-07-31T23:52:05 < begriffs> c6t6 2022-07-31T23:52:17 < zyp> change to 10k in the linker script and try again 2022-07-31T23:52:21 < karlp> right so from that linke you sent, how much ram does the c6 have :) 2022-07-31T23:52:29 < begriffs> Oh my god, it says 10k right on there 2022-07-31T23:52:34 < zyp> also 32k flash :) 2022-07-31T23:52:46 < begriffs> I didn't know they compromised these boards so much, thought a clone is a clone 2022-07-31T23:52:55 < begriffs> lol 2022-07-31T23:52:55 < karlp> a clone of what? 2022-07-31T23:53:01 < srk> of a clone 2022-07-31T23:53:14 < zyp> different parts have different specs, that's the whole thing about being different 2022-07-31T23:53:44 < karlp> oh, the table is for stm32, and the part description is cs32? even more fun :) 2022-07-31T23:53:52 < begriffs> A clone of some kind of STM32 official dev board called colloquially the "blue pill." But you're saying even the original things called blue pills are kind of unofficial 2022-07-31T23:54:00 * karlp lols 2022-07-31T23:54:03 < qyx> official? 2022-07-31T23:54:07 < karlp> there is no "officiaal" st blue pill 2022-07-31T23:54:26 < karlp> it's a fucking stupid name roger invented years ago for god knows what reason, it sure as shit isn't official in any way shape or form. 2022-07-31T23:54:30 < qyx> blue pill should have been dead in 2015 2022-07-31T23:54:43 < begriffs> Official in the sense that it would be listed somewhere on in ST's product lineup, with standard specs (ram, rom, etc) 2022-07-31T23:55:03 < karlp> people like begriffs keep going hurhhur where's my f103?!!!though, so CS and FMC and AP and all the others keep on churning them out... :) 2022-07-31T23:55:04 < qyx> no it is not official in any sense 2022-07-31T23:55:37 < rajkosto> what about the "new" bluepill with the 403f in QFN form 2022-07-31T23:55:42 < rajkosto> its almost as cheap 2022-07-31T23:55:59 < zyp> st doesn't even have a f403 2022-07-31T23:56:02 < rajkosto> but you get much more space and power and even a CDC usb bootloader 2022-07-31T23:56:24 < srk> isn't that blackpill? 2022-07-31T23:56:33 < begriffs> Ah, I guess the book I'm following specifies STM32F103C8T6, which as we've seen is different from what I got. derp 2022-07-31T23:56:42 < rajkosto> STM32F401 Development Board STM32F401CCU6 STM32F411CEU6 STM32F4 Learning Board 2022-07-31T23:56:50 < rajkosto> yeah its the blackest pill of all 2022-07-31T23:57:03 < karlp> and they have the standard ST DFU bootloader, not CDC... 2022-07-31T23:57:44 < srk> why no red pill.. 2022-07-31T23:58:05 < karlp> iirc, there was at the time roger made that naming up... 2022-07-31T23:58:23 < karlp> but that vendor cleverly decided to stop building shitty f1 boards :) 2022-07-31T23:58:48 < karlp> https://stm32duinoforum.com/forum/wiki_subdomain/index_title_Red_Pill.html 2022-07-31T23:58:58 < srk> hah 2022-07-31T23:59:00 < qyx> also learning a 2009 or so micro in 2022.. 2022-07-31T23:59:10 * qyx pulls out 68hc11 2022-07-31T23:59:23 < PaulFertser> beats learning avr in 2022 eh? 2022-07-31T23:59:25 < begriffs> What's a more powerful board with the same small form factor as the one I have? 2022-07-31T23:59:50 < karlp> begriffs: the f4 boards rajkosto mentioned, for starters. 2022-07-31T23:59:56 < srk> was flashing atmega2560 all day today --- Log closed ma elo 01 00:00:05 2022