Custom wireless stack on STM32WB55 devices

JTres.2 · ‎2024-08-07

Hi,

I'm looking into using the STM32WB55 device for a custom radio solution.

From what I gather this same question was asked and answered here: https://community.st.com/t5/stm32-mcus-wireless/is-it-possible-to-flash-a-custom-application-to-cpu2-m0/m-p/288448

Since the post is 4 years old I just want to make sure this is still relevant and that its not possible to make custom binaries for the M0 coprocessor due to encryption key managed by ST?

Br

Johan

STTwo-32 · ‎2024-08-07

Hello @JTres.2

As a quick answer, yes the code expected to be executed by the CPU2 must be encrypted with specific ST key that the FUS (Firmware Update Service) is the only one to manage.

So yes, the post still relevant.

Best R

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View solution in original post

STTwo-32 · ‎2024-08-07

Hello @JTres.2

As a quick answer, yes the code expected to be executed by the CPU2 must be encrypted with specific ST key that the FUS (Firmware Update Service) is the only one to manage.

So yes, the post still relevant.

Best R

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.