#stm32 #bluetooth #ble #bluetooth #ble #stm32


I'm try to use BLE controller stack in STM32WB55 to comunicate with Zephyr BLE host stack with no success.
In network procesor M0+ run ST propriatery controller stack "stm32wb5x_BLE_Stack_full_fw.bin" V1.13.3.
In application processor M4 I use sample application "boards-stm32-power_mgmt-stm32wb_ble-sample".

Compiling and flashing goes well. But when I start program, it stops after 10 second with error when waiting semaphore:

ASSERTION FAIL [err == 0] @ WEST_TOPDIR/zephyr/subsys/bluetooth/host/hci_core.c:309
        k_sem_take failed with err -11

Is there any support team for STM32 and their BLE stack?

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