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How to transition from FUS to Stack in a bootloader? I am unable to restart the stack.

BStic.2
Senior

I am trying to set up a bootloader where I can transition CPU2 to FUS, then back to the wireless stack. I followed the examples of sending 2 FUS_GET_STATE commands to enter FUS. Then I send the FUS_START_WS with the SHCI_C2_FUS_StartWs call. Nothing happens. No reset (like the docs say) and the next time I call SHCI_C2_FUS_GetState I get a FUS_STATE_ERROR_AUTH_TAG_ST_NOTFOUND response. I can start the stack using the Cube programmer, so I know the image is good. How do I do this from code? I am using v1.12.1 of stack and v1.2 of FUS.

thanks.

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