Thank you for your input.We don't use HAL implementation.From my point of view both do the same. From the description the implementation could use either of them
I'm referring to the STM32WB55RERM0434https://www.st.com/resource/en/reference_manual/rm0434-multiprotocol-wireless-32bit-mcu-armbased-cortexm4-with-fpu-bluetooth-lowenergy-and-802154-radio-solution-stmicroelectronics.pdf
