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DWalk.3
DWalk.3
Associate III
May 5, 2023 4:31 PM UTC
Question

Amazon Sidewalk Support for STM32WL

Currently, there isn't any support for Amazon Sidewalk for the STM32WL. The only supported vendors are Nordic, Silicon Labs, Texas Instruments, and Quectel. Reading through the AWS Sidewalk spec, it seems like the chip could support it in CSS and FSK mode. Is ST working with Amazon to implement this? When would something like this be available?

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    3 replies

    IIRHO.1
    IIRHO.1
    ST Employee
    May 10, 2023 2:36 PM UTC

    hello @Community member​  and welcome to ST Community

    The STM32WL System-On-Chip integrates both a general purpose microcontroller and a sub-GHz radio (based-on Semtech SX126x) on the same chip that's why i think that you can use semtech resources and aws sidewalk resources to implement an application on stm32wl.

    hope this is helpful

    Issam

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    whistle
    whistle
    Associate
    Feb 7, 2024 2:09 AM UTC

    Hello,

    I see that CES 2024 had a booth with STM32WL and sidewalk.

    Is the example code available?

    Thanks

    DWalk.3
    DWalk.3Author
    Associate III
    May 11, 2023 10:41 PM UTC

    Issam,

    I'm just at the beginning of looking at this, but from what I can tell so far, the development systems from both Nordic Semiconductor and Silicon Labs distribute the Amazon portions of the stack firmware as binary libraries. Both offerings use the Arm Cortex M33 core so I'm not certain these libraries would be compatible with the M4 core used in the STM32WLE5.

    It would seem a good fit for ST to do the integration with the STM32WLE5; it supports both the FSK and CSS modulation schemes in Amazon Sidewalk. ST also has more clout with Amazon than I certainly have.

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