Blinky led triggered by mailbox new message.
Building and Running
Build for stm32h747i_disco_m7:
.. zephyr-app-commands:: :zephyr-app: samples/boards/stm32/h7_dual_core :board: stm32h747i_disco_m7 :goals: build
Build for stm32h747i_disco_m4:
.. zephyr-app-commands:: :zephyr-app: samples/boards/stm32/h7_dual_core :board: stm32h747i_disco_m4 :goals: build
.. code-block:: console
STM32 h7_dual_core application