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| 00:25.38 | mmu_man | gee SVG libs aren't that at all yet |
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| 02:38.11 | *** topic/#card10badge is Logix (Wiki): https://card10.badge.events.ccc.de/ git: https://git.card10.badge.events.ccc.de/card10 % current version: https://card10.badge.events.ccc.de/en/firmwareupdate/ % Display: https://www.aliexpress.com/item/4000018872259.html |
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| 08:13.54 | staz | <PROTECTED> |
| 08:13.56 | staz | oups |
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| 14:48.23 | schneider | mmu_man: if think we made some baby steps already: https://git.card10.badge.events.ccc.de/card10/firmware/-/merge_requests/377 |
| 14:48.35 | schneider | but i think only rahix knows the missing steps ATM |
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| 18:05.17 | Stormwind_mobile | TV-B-Gone App on card10? |
| 18:06.12 | Stormwind_mobile | Using the ALS IR LED actually in the way it was designed? :-d |
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| 18:49.13 | schneider | Stormwind_mobile: yes |
| 18:49.49 | schneider | the problem is: the only timer which would be reasonable capable to drive that pin is used for core 1 interrupts |
| 18:50.00 | schneider | because we didn't know better at the time... |
| 18:53.25 | schneider | otoh: I'm wondering if we could workaround this issue without changing the epicardium<->core1 interface... |
| 19:06.23 | rahix[m] | schneider: yeah, one thing I had in mind would be disabling the interrupt from the timer (if possible?) and instead just triggering it from NVIC directly |
| 19:06.44 | rahix[m] | but we would have to check carefully |
| 19:06.54 | Stormwind_mobile | Why not simply bitbanging? |
| 19:06.54 | Stormwind_mobile | IR protocols aren't that timing sensitive... |
| 19:07.22 | rahix[m] | The interrupt stub on the other side calls some timer function which might interfere with that plan :/ |
| 19:07.42 | Stormwind_mobile | Kind of a software interrupt? |
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| 19:10.33 | Stormwind_mobile | I wanted to build a TV b gone for a while, and wire it to an IR laser diode, so that I can turn off TVs from tens of meters away :-D |
| 19:11.36 | schneider | Stormwind_mobile: rahix[m]: yes, i was also thinking about not using this timer for IR signaling at all |
| 19:11.57 | schneider | and somehow do it differently (use another timer and toggle the pin in its ISR for example) |
| 19:12.34 | Stormwind_mobile | I would not make a bet on it, but from memory, the pulse widths are in the microseconds, that should be viable to do with software |
| 19:12.48 | schneider | well... |
| 19:13.05 | schneider | only if you don't have a task switch in between (e.g. for BLE) |
| 19:13.55 | Stormwind_mobile | Don't know about the specs when it comes to jitter, but that should be documented for the various protocols |
| 19:15.22 | Stormwind_mobile | I think I read the Darwin SOCs feature a pin switching matrix and can map a lot of signals to a broad range of physical pins. Is that the case? |
| 19:25.19 | schneider | it is not |
| 19:25.25 | schneider | (to my knowledge) |
| 21:48.39 | mmu_man | Stormwind_mobile: yes, I started at the camp last year but stopped due to the current firmware |
| 21:50.14 | mmu_man | cf. https://git.card10.badge.events.ccc.de/card10/firmware/-/merge_requests/322 |
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| 22:46.00 | mmu_man | hmm my branch doesn't rebase now |
| 23:51.05 | mmu_man | ok, rebase done |
| 23:53.28 | Stormwind_mobile | @mmu_man: startend what exactly? |
| 23:57.37 | mmu_man | Stormwind_mobile: TV-B-GONE |
| 23:58.01 | mmu_man | damn gcc arm none eabi wants 1.8GB⦠|
| 23:58.48 | mmu_man | Stormwind_mobile: I made a prototype using bit-banging but the CPU is too slow, so I'll have to add support for using the PWM system |