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Exit Standby-Mode with RTC-Alarm after using BLE

Aok.1
Associate

Hello people,

I am working on a Project with the stm32wb55 which includes Low Power Modes (Standby) and Bluetooth (BLE).

When i turn off the Bluetooth part the controller can simply enter and exit Standbymode by my choice.

However if i activate BLE on a Button, work with it and want to enter Standbymode again the controller wont wake up anymore.

As i have heard the problem could be something with the cpu2 for example the RF.

Is there a way to shut down the cpu2 completely so i can enter the Standbymode like in the first example ?

1 ACCEPTED SOLUTION

Accepted Solutions
Remy ISSALYS
ST Employee

Hello,

Standby mode is not supported when BLE is running. You shall turn off BLE to enter in Standby mode.

Best Regards

View solution in original post

1 REPLY 1
Remy ISSALYS
ST Employee

Hello,

Standby mode is not supported when BLE is running. You shall turn off BLE to enter in Standby mode.

Best Regards