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Save energy with CPU2 in iddle mode on STM32WB10

chris-martin
Associate

I am a new developer on STM32WB10 and I do not succeed to  drastically decrease power consumption in standby mode. Commands for main CPU in order to lower consumption seems to be OK but the CPU2 for BLE seems to be always active.

LL_C2_PWR_SetPowerMode(LL_PWR_MODE_SHUTDOWN) does not work while CPU2 is running but I cannot find the way to stop the CPU2. I read that hci_reset could help but it is not the case.

Please help me about the sequence to use in order to properly stop CPU2 and decrease power consumption.

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