Behavior when combining standby and OTA samples - STM32WB / BLE

[TH5]

When combining the standby and OTA samples (listed below), in some cases, the OTA sample is started at the timing of standby wakeup.

・PWR_STANDBY_RTC
・BLE_Ota
In my understand, whether the standby or OTA sample is started is determined by the first 4 bytes of SRAM1's address.
Is there a case where SRAM1 becomes an undefined value in the standby, resulting in the OTA being started?

[Billy OWEN]

Hi @TH5 

 

This post has been escalated to the ST Online Support Team for additional assistance.  We'll contact you directly.

 

Regards,

Billy

[Tesla DeLorean]

It's unclocked but should maintain content. Its typically the startup code that could trash it. But you can likely use a area that's unused and untouched. Should have a mechanism to check the integrity of data stashed there.