How to enable both BLE and USB (DFU mode) in STM32WB5MMG using STMCubeIDE?

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We made a custom PCB board using STM32WB5MMG. We tried connecting BLE and USB (DFU mode) together using STMCubeIDE, but if we enable BLE USB is not working. But without both are working well independently. We are new to this controller. So we didn't know how to enable both.

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AnandbaluBest answer

Associate II

Hello @Sarra.S

Thank you for your reply,

Now both are working. We enable both in .ioc and resolve the clock as per IDE's suggestion. and we add the below couple of lines in the "PeriphCommonClock_Config(void)" function

LL_HSEM_1StepLock( HSEM, 5 );

LL_RCC_HSI48_Enable();

Thanks,

Ananthakumar

S

Sarra.S

ST Employee

Hello @Anandbalu

Take a look at these two documents :

Hope that helps!

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AnandbaluAuthorBest answer