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2020-03-09 15:52:51 -04:00

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CircuitPython Weekly for 9 March 2020

Video is available here on YouTube.

Join here for the chat all week: http://adafru.it/discord

The CircuitPython Weekly happens normally at 2pm ET/11am PT on Mondays. Check the #circuitpython channel on Discord for notices of change in time and links to past meetings.

CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com.

Reminders: Podcast available on most services. Let us know if we’re missing some.

4:36 Community News

4:42 "The awesome power of CircuitPython" Empowering makers to make businesses https://blog.adafruit.com/2020/03/07/the-awesome-power-of-circuitpython-empowering-makers-to-make-businesses-arturo182-adafruit-tindie-circuitpython-circuitpython-oshw-opensource/

5:30 FreedomWing Droning with Chris Young https://youtu.be/PsJyHwTlHrg

6:14 Open Hardware Summit is online only https://www.oshwa.org/2020/03/08/the-2020-open-hardware-summit-is-going-virtual/

7:00 Find your way home a CircuitPython GPS Locator - The CLUE finder https://back7.co/home/weekend-project-find-your-way-home-with-this-circuit-python-gps-locator

7:25 ulab: Crunch Numbers fast in CircuitPython https://learn.adafruit.com/ulab-crunch-numbers-fast-with-circuitpython?view=all

7:44 IoT Design Week with Microchip's "Wizard of Make" Bob Martin and Adafruit. We'll be on 6pm to 7pm ET on Tuesday March 10th, 2020 (video). Expect to see a lot of CircuitPython! https://youtu.be/fu37Uf-CXNE

8:08 EYE on NPI – Espressif ESP32-S2 SoC https://youtu.be/4F25y-P8krM https://www.digikey.com/product-detail/en/espressif-systems/ESP32-S2/1965-ESP32-S2CT-ND/11613159

9:06 DRAFT is here, all news, links, and more welcome! https://github.com/adafruit/circuitpython-weekly-newsletter/blob/gh-pages/_drafts/2020-03-10-draft.md

9:20 thanks everyone for building a solid and stable community and company like adafruit, there is a lot of uncertainty ahead however, we'll get through this together.

11:03 State of CircuitPython, Libraries and Blinka

11:32 Overall

  • 43 pull requests merged
    • 20 authors - jimbobbennett, theacodes, iraytrace, makermelissa, jerryneedell, Marius-450, ladyada, kattni, dherrada, sommersoft, arturo182, brentru, FoamyGuy, tannewt, hierophect, caternuson, mfeif, fgallaire, jepler, danlove99
    • 12 reviewers - FoamyGuy, brentru, tannewt, caternuson, makermelissa, jerryneedell, jepler, ladyada, kattni, sommersoft, dhalbert, siddacious
  • 13 closed issues by 8 people, 17 opened by 12 people

Overall: We released CircuitPython 5.0 stable. It’s now out there, so update all of your projects and if you find any problems let us know. File an issue, talk to us on Discord. And if it works, let us know that too.

In terms of libraries, we continue to get more libraries and I’ve seen a lot of activity on current issues and PRs so thank you to everyone who has recently joined up and is continuing to work on that. One of the things we wanted to do this year is not let PRs languish, and we’ve decreased that significantly. Thank you for that.

13:54 Core

Summary: issues are net up. Given that we released a new stable version, this is not surprising. Two milestones need to be closed. Making lots of progress. Core download stats still not working.

15:33 Libraries

18:06 Blinka

  • 0 pull requests merged
    • 0 authors -
    • 0 reviewers -
  • 0 open pull requests
  • 2 closed issues by 2 people, 4 opened by 4 people
  • 36 open issues
  • PyPI Downloads in the last week: 2846 Number of supported boards: 38

19:00 Hug reports

20:07 @kattni

  • @jepler for a lovely chat
  • @DanH for releasing CircuitPython 5.0.0 stable!
  • Everyone internal and in the community involved with getting 5.0.0 out the door
  • Adafruit for their preparation and handling of the current situation
  • @sommersoft for all the patches to the libraries for Pylint updating and other
  • @foamyguy for continuing to keep up with PRs and issues on the libraries
  • @Andrew Tribble for continuing to provide assistance in the #help-with-circuitpython channel on Discord
  • @foamyguy and @Andrew Tribble for interest in helping me with PyCon preparation

@kjw (lurking, some of the time)

22:06 @makermelissa

  • @svenyonson for pointing out a solution to get Capacitive Touch correctly rotated on Raspberry Pi Buster
  • @geekguy for finding a potential issue with 14-segment bitmasks
  • @pt for all the quick updates regarding upcoming event status and changes

22:43 @marius-450

  • Collective hug for v.5.0.0

@mr certainly (lurking)

@sdw_nj (lurking while eating lunch)

23:28 @sommersoft (text only)

  • @kattni for the late week/weekend reviews & merges
  • @tannewt for starting work on sleep
  • Group hug!!!

23:43 @stargirl (missing meeting)

  • Group hug to all.

23:52 @tannewt

  • @danh for releasing 5.0.0!
  • @kattni, @dherrada, @sommersoft and @siddacious for Black and Lint
  • @atmakers for getting me thinking about solar.
  • @cater for adding two more properties in the design guide.

25:01 @AndrewTribble

  • Group Hug

25:14 @anecdata (lurking)

  • @brentru for his work on wiznet5k (and for his ongoing work connecting our devices to the world)

@anne B (lurking)

@cater (lurking)

@CGrover (lurning = lurking while learning)

25:40 @danh

  • @jepler for bringing ulab integration to (initial) completion and continuing on further functionality, and @v923z for this hugely significant addition to MicroPython and CircuitPython.
  • @stargirl congratulations for the reality of Winterbloom.
  • @kjw for continuing to find significant bugs.
  • @TG-Techie for finding an obscure object copying bug.
  • @marius_450 for big improvements to turtle library
  • @kattni for looking toward PyCon, however it might held.

@DaveP (lurking)

@deshipu (lurking)

28:00 @devoh (missing meeting)

  • Group hug for 5.0

28:11 @dglaude (missing meeting)

  • @danh for the 5.0.0 release work (and its BLE content).
  • @foamyguy for the collaboration on BLE patchwork demo

28:29 @Duewester (Lurking)

  • Group hug to all on the release of 5.0.0

28:38 @foamyguy

  • @dglaude for excellent feedback and suggested improvements for BLE patchwork demo
  • @tannewt and @caternuson for working on BLERadio and example
  • @arturo182, got my BB Q10 keyboard breakout excited to play with it
  • @danh and group hug to everyone for 5.0.0 release

@geekguy (lurking)

29:40 @hierophect

  • Group hugs:
  • Thanks to PT and the folks at Adafruit for the quick updates on COVID
  • Thanks to everyone for their hard work on 5.0
  • Hope everyone stays safe, wash hands!

30:14 @jepler

  • Adafruit and @adafruit for their openness as they make decisions about COVID-19
  • OSHWA for having to make tough decisions about the show, and everyone being affected by COVID-19
  • @Anne B and @ladyada for help with my first published guide
  • @V923z for patience with our PR process and continued work on ulab
  • @tannewt for starting on the lower power mode on nRF
  • @PaintYourDragon for preliminary work on Adafruit Protomatter

31:28 @jerryn

  • @MakerMelissa for the guide to using Web Bluetooth with Chrome
  • @jepler for the ulab guide -- and implementation -- nice demos!

32:00 Status Updates

32:20 @jepler

  • Last week:
    • Ulab pull request merged, thanks everyone!
    • Ulab guide published, my first on the learn system
  • This week:
    • Quick item: Enable ulab on STM32 and make sure it works
    • PR Reviews, particularly nRF lower power
    • Investigate integrating “Adafruit Protomatter” LED panel driver in CircuitPython
    • [more stuff, big blank here is because I assumed I’d be at OSHWA]
  • Ongoing fun projects:
    • Finished up the long-neglected edge lit display project with 3D printed enclosure. Just a single digit display, currently it counts up in prime numbers, blinking them one digit at a time.

33:52 @jerryn

  • Last week
    • Fixed RSSI reporting in RFM69 library - long standing bug
      • RFM9x does not have same issue, but will update for consistency.
    • For fun, tried using SPI on teensy4.0 wirh RFM69 library -- works great!
    • Fixed a bug in the sht31d humidity calculation - typo caused small error.
    • DIscovered that nrf24l01 library also works on Raspberry Pi!
    • Finishing up rfm69 changes
      • Want to get this out for use/review
      • Not perfect -- but further improvement may mean a substantial rewrite.
      • Discuss in weeds if desired.
  • Next week
    • Submit PR for RFM69 and then apply same to RFM9x if approved
      • Consider more substantial revision including C code FIFO

37:00 @kattni

  • Last week:
    • Published a guide for the CLUE badge example
    • Started work on the Feather Sense guide
    • Spent a lot of time guiding the Pylint/Black upgrade/implementation.
    • Library week
  • This week:
    • Library Monday! (and probably Week again… there’s a lot going on)
    • Finish Feather Sense guide
    • Start PyCon 2020 prep
      • Learn Guide to go with PyCon tutorial
      • CLUE Quickstart guide
      • CLUE examples

@kjw (lurking, some of the time)

41:08 @makermelissa

  • Last Week:
    • Finished Web Bluetooth dashboard
    • Published a guide for the Web Bluetooth Dashboard
    • Updated Raspberry Pi Installer Script to fix Buster capacitive touch TFT rotation issue
    • Updated HT16K33 Library with small revision
  • This Week:
    • Catch up on Github issues/PRs
    • Update circuitpython.org with any new boards
    • Update Web Bluetooth dashboard style

42:10 @marius-450

@mrcertainly (lurking)

@sdw_nj (lurking)

43:55 @siddacious - text only, please read

  • Working on ICM948 CP libs; Arduino mostly done and CP getting close. Both are refactored versions of the ICM20649 lib and will be renamed to ICM20X
  • Off Thurs/Fri for Birthday staycation 44:30 @siddacious - text only (hug reports)
  • Radomir for code review and Python advice
  • CGrover for more circuit analysis and component selection advice
  • OSHWA and Adafruit for providing guidance and support in making wise travel choices

45:03 @sommersoft (text only)

  • Last Week:
    • Libraries:
      • Patched GitHub Actions build.yml files to move pip installs of pylint, black, and Sphinx+theme back to each repo from the centralized actions-ci script.
      • Patched .pylintrc to add 'bad-continuation' in preparation for black code formatting
      • Tried to patch the CODE_OF_CONDUCT.md files, but apparently there has been a lot of drift and 3 separate git patch files couldn't reach 100% coverage.
    • RosiePi/physaCI:
      • HTTP Signature authorization now working. Made the first successful request from physaCI (Azure) to a RosiePi Node (RPi on my network)!!!
  • This Week:
    • Finish up the skips from patching .pylintrc (~8 repo PRs)
    • Work on a script to update all of the CoCs by copying in the new version regardless of the current version.
    • Further research adabot using boto3 for core metrics in AWS.
    • Look into Blinka contributors not being included in the Overall stats in adabot daily report. Totally forgot about this last week.

46:20 @tannewt

  • Fixed up the Radio library. Need to rename it to adafruit_ble_radio. (thanks to foamyguy for the reminder and cater for the help)
  • Made good progress on sleeping on nRF52840. Feather with NeoPixel lasts ~4 time longer on a single charge. Need to run the same test with CPB which can turn NeoPixels off.
  • Need to add/fix the other ports for the sleep rework.
  • Need to fix whatever it breaks. (audio playback probably and definitely PulseIn)
  • Definitely want to target sleep for after ulab stable. Sleep may break lots of things. Everything needs to be interrupt driven.
  • If anyone wants to make a CI test for import size of libraries that would be awesome.
  • Hanging out at home since Covid-19 is around the Seattle area. No NYC travel (which I said last week.) May stream later in the week either CP sleeping or TinyLogicFriend. Everyone stay healthy and sane. Happy to do video chats if folks need it.

@v923z (lurking)

53:09 @AndrewTribble

  • This Week:
    • Spent a brief time researching i2s audio in response to a question from @SpikeyBoi, specifically using the SPH0645LM4H as an input device
    • Continued testing of the lightning AS3935 lightning sensor chip using a SwitchDock Labs AS3935 “Thunderboard”
    • Continued Discord community support when possible
  • Next Week:
    • Assistance with PyCon preparation
    • Continued Testing and possibly even documentation of the CircuitPython AS3935 Library depending on how much work is left to do
    • Possibly begin playing around with my Cricket for Micro:bit using my Clue
    • Continued Discord community support when possible

@anecdata (lurking)

@anne b (lurking)

@cater (lurking)

@cgrover (lurking)

55:27 @danh

  • Released 5.0.0 stable!
  • Removed github artifacts for all previous 5.0.0 testing releases, so release pages load much faster.
  • Reproducing and diagnosing bootloader flash write bug on SAMD51 during repeating power cycling
  • On my agenda: bbq thermometer BLE service, Adafruit BLE service

@davep (lurking)

57:27 @dglaude (missing meeting)

@de∫hipu (lurking)

@Drew Fustini

  • Wrapped up the manufacturing of the OHS badge, and writing apps for it
  • Siddacious etc have been working to write apps
  • OHS will be virtual - will ship out goodie bags to people, no idea how long. Everything is in NY and will have to sort and bag it up.
  • Will have more information by the next meeting.
  • 225 badges.

@duewester (lurking)

1:00:48 @foamyguy

  • Last week
    • BLE Patchwork demo. Hoping to make PR tonight
    • PR reviews for Thermal Printer and Ethernet Featherwing, first time using either with Circuit Python
    • Old Debouncer PR to add support for touchio and other types of inputs
    • Tested Neopixel issue on Cricket / Seesaw
  • Next Week
    • Assemble and learn about RTC breakout
    • Update the CPB + Gizmo version of patchwork demo with the latest enhancements
    • Back to work on “writing your first game” guide
    • Learn about IR temperature sensor

@geekguy (lurking)

1:02:53 @hierophect

  • Last week:
    • PulseIn, getting a proper control setup working and adding exti support without messing with any of the existing interrupt stuff on STM32
    • H7 and F7 research, investigating new boards, working on pin and register differences from the F4 series, how much work is required for new features and advanced drivers that take full advantage of the F and H7 capabilities.
  • This week:
    • Mostly more of the same:
    • PulseIn wrapup and PR
    • RotaryIO control and implementation
    • H7/F7 structural changes and SoC additions, starting with the H743
    • Working with Zephyr rtos people to improve board import docs etc
    • May be moving my base of operations for the short term, still evaluating based on Boston COVID cases

1:06:57 In The Weeds

  • 1:07:30 Rename adafruit_radio to adafruit_ble_radio - @kattni will do it
  • 1:07:53 @tannewt: 5.1.0 release plan
    • @v923z how does ulab factor in here? Additional functions?
    • @jepler will enable on other 2 ports
    • @v923z will move spectrum to extra, @jepler will update our documentation
    • @jepler - we created adafruit circuitpython ulab - should we deprecate this?
      • @tannewt - fine to point upstream
      • @jepler - will pull request to change .gitmodules to point upstream
      • @tannewt - will arrange to archive the circuitpython-ulab repo
    • @v923z - where should people file issues/feature requests? Can you provide some publicity to this?
      • @tannewt - loop @v923z in on release notes
  • 1:23:00 @jepler: What is the connection between pylint continuations and black
    • @kattni - Long-standing bug in pylint where it fails on PEP8 compliant continuations with kwargs. Black formats it to that continuation, and pylint fails even though it’s valid. So we’re disabling it in pylint.

1:25:30 Wrap-Up