[Dprglist] CircuitPython for NUCLEO STM32L476RG

[Doug Paradis]

Kumar,
         See STM32L475RG datasheet sections 3.24.2 and 3.24.4 to see which
timers support the encoder mode. Here are some links to get you started:
https://deepbluembedded.com/stm32-timer-encoder-mode-stm32-rotary-encoder-interfacing/
and
 https://www.st.com/resource/en/application_note/dm00042534-stm32-crossseries-timer-overview-stmicroelectronics.pdf
<https://www.st.com/resource/en/application_note/dm00042534-stm32-crossseries-timer-overview-stmicroelectronics.pdf>
 and
https://www.st.com/content/ccc/resource/training/technical/product_training/group0/2f/ec/a2/2a/74/48/4c/67/STM32G4-WDG_TIMERS-General_Purpose_Timer_GPTIM/files/STM32G4-WDG_TIMERS-General_Purpose_Timer_GPTIM.pdf/jcr:content/translations/en.STM32G4-WDG_TIMERS-General_Purpose_Timer_GPTIM.pdf
 .

      There are several YouTube videos also. Use search terms: STM32,
Timers, Quadrature Encoders, Encoder Mode.

       STM32CUBEMX should be a good tool to help set up the timers. David
Ackley and David Anderson most likely have example code that they may share.

Regards,
Doug P.

On Mon, Oct 25, 2021 at 9:59 AM Thalanayar Muthukumar via DPRGlist <
dprglist at lists.dprg.org> wrote:

> Have any of you worked with CircuitPython (not Micropython) on any of the
> STM32 boards? The reason I ask is that for some of the peripheral boards
> like motor controllers from Adafruit, they are supported on CircuitPython
> and not MicroPython.
>
> These (https://circuitpython.org/downloads?q=STM32) are the STM32 boards
> supported by CircuitPython and
> here (https://circuitpython.readthedocs.io/en/7.0.x/ports/stm/README.html)
> is guidance on how to support new STM32 boards in CircuitPython.
>
> During the weekend, I was able to get my NUCLEO board working with I2C
> OLED and BNO055, thanks to help from Jim Merkle and other folks from the
> Personal Robotics and Adafruit Discord Servers.
>
> Regards.
> - Kumar
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