Deep Dive w/Scott: LED Debugging

Adafruit Industries

Join Scott as he answers questions and talks about debugging the status LED PR. He'll also go over his lightning talk from the Python Language Summit. 0:00 Getting Started and Hellos 0:03:36 Housekeeping 0:7:52 Micropython 1.15 merged in 0:11:53 back to BLE? Next week 0:14:30 Piunora un-bagging 0:27:20 First Steps - TinyUSB on CM4 0:33:24 Python Language Summit Talk / Lightning talk 0:36:36 CPython to CircuitPython slides 0:38:36 CircuitPython builtins 0:39:25 CircuitPython Modules 0:42:50 Things that people ask for: 0:43:20 CP and Pip? 0:46:46 f’strings implementation differently between CP and CPython 0:49:27 Python Parse - (CPython) for parsing from UART vs. comma separated and split (and alternates ) 0:52:00 Broadband Map 0:58:13 fiber-deserts.net 1:09:50 muninetwork.org podcast 1:11:26 broadband access www.commerce.wa.gov (speed survey) 1:12:10 www.argis.com survey results 1:14:43 LED Debugging deep dive 1:15:37 Feather NRF status LED 1:18:11 Status LED on USB & battery 1:20:15 no additional current draw for code running a sleep/wake cycle? 1:21:10 main.c 1:23:35 “Wasn’t working on SAMD” 1:25:10 code works with single LED (blue LED) 1:25:30 Did you see on #showandtell that Micha (@2231puppy) plan to work on CP bare metal on Pi4 and he hope you saw it: https://www.youtube.com/watch?v=TadsJYIkkig&t=1200s 1:27:01 feather M4 with Blue neopixel - supposed to be white (in REPL) 1:27:56 supposed to flash yellow, but it’s flashing green 1:35:56 atmel-samd neopixel assembly code SAM_D5X_E5X 1:42:40 Salea Logic 2 neopixel capture 1:46:35 adjusting timing - “make this gap longer” 2:03:48 no longer “safe-mode-ing” because of debug 2:05:15 commit and rebasing in git 2:06:50 “Delete old debug code - rarely useful in the future.” 2:12:20 git commit --amend 2:12:44 git push 2:13:06 pull request - fix SAMD 2:14:11 wrap up 2:14:55 next week - Friday as well 2:16:40 see you next week