1.. zephyr:code-sample:: stm32_h7_dual_core
2   :name: Hardware Semaphore (HSEM) Inter-Processor Communication on STM32 H7
3   :relevant-api: ipm_interface
4
5   Use the Hardware Semaphore (HSEM) to trigger LED blinking from one core to another.
6
7Overview
8********
9Blinky led triggered by mailbox new message.
10
11Building and Running
12********************
13
14Build for stm32h747i_disco/stm32h747xx/m7:
15
16.. zephyr-app-commands::
17   :zephyr-app: samples/boards/st/h7_dual_core
18   :board: stm32h747i_disco/stm32h747xx/m7
19   :goals: build
20
21Build for stm32h747i_disco/stm32h747xx/m4:
22
23.. zephyr-app-commands::
24   :zephyr-app: samples/boards/st/h7_dual_core
25   :board: stm32h747i_disco/stm32h747xx/m4
26   :goals: build
27
28Sample Output
29=============
30
31.. code-block:: console
32
33    STM32 h7_dual_core application
34