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menahemk
menahemk
Associate
Feb 27, 2022 8:02 AM UTC
Question

Is LoRa & Z-wave concurrency available on STM32WL, similar to BLE & ZigBee/Thread concurrency on STM32WB?

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8 replies

Andrew Neil
Andrew Neil
Super User
Feb 28, 2022 8:48 AM UTC

There's only one radio - so it can only be doing one thing at any one time.

You would have to devise some sort of time-sharing scheme...

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
menahemk
menahemkAuthor
Associate
Feb 28, 2022 11:51 AM UTC
Appreciate your prompt answer. Thought so.
But then how does STM32WB, with a single radio as well, claim BLE & ZigBee concurrency? I guessed so hardware-based time sharing and imagined a similar scheme in STM32WL.
Andrew Neil
Andrew Neil
Super User
Mar 1, 2022 10:46 AM UTC

I haven't looked into how they do it, but I don't see any particular reason to assume that it must be (custom) hardware?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Andrew Neil
Andrew Neil
Super User
Feb 28, 2022 10:15 AM UTC

It seems that SiLabs own the Z-Wave IP, and the only 3rd-party licensee is Mitsumi - so no STM32 support at all?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Louis AUDOLY
Louis AUDOLY
ST Employee
Mar 2, 2022 8:49 AM UTC

Hello,

There is no support on STM32WL for LoRa and Zwave concurrency. We haven't any exemple, so it's up to you to create your application.

regards

Andrew Neil
Andrew Neil
Super User
Mar 2, 2022 10:00 AM UTC

@Louis AUDOLY​  - Does ST have any support at all for Zwave ?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Louis AUDOLY
Louis AUDOLY
ST Employee
Mar 2, 2022 10:03 AM UTC

Hello,

No sorry we don't have any support on this protocol.

Regards

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