This is the documentation for the latest (master) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

OpenAMP Sample Application

Overview

This application demonstrates how to use OpenAMP with Zephyr. It is designed to demonstrate how to integrate OpenAMP with Zephyr both from a build perspective and code.

Building the application for lpcxpresso54114_m4

# From the root of the zephyr repository
west build -b lpcxpresso54114_m4 samples/subsys/ipc/openamp
west debug

Building the application for mps2_an521

# From the root of the zephyr repository
west build -b mps2_an521 samples/subsys/ipc/openamp
west debug

Building the application for v2m_musca

# From the root of the zephyr repository
west build -b v2m_musca samples/subsys/ipc/openamp
west debug

Building the application for v2m_musca_b1

# From the root of the zephyr repository
west build -b v2m_musca_b1 samples/subsys/ipc/openamp
west debug

Open a serial terminal (minicom, putty, etc.) and connect the board with the following settings:

  • Speed: 115200

  • Data: 8 bits

  • Parity: None

  • Stop bits: 1

Reset the board and the following message will appear on the corresponding serial port, one is master another is remote:

**** Booting Zephyr OS build zephyr-v1.14.0-2064-g888fc98fddaa ****
Starting application thread!

OpenAMP[master] demo started
Master core received a message: 1
Master core received a message: 3
Master core received a message: 5
...
Master core received a message: 99
OpenAMP demo ended.
**** Booting Zephyr OS build zephyr-v1.14.0-2064-g888fc98fddaa ****
Starting application thread!

OpenAMP[remote] demo started
Remote core received a message: 0
Remote core received a message: 2
Remote core received a message: 4
...
Remote core received a message: 98
OpenAMP demo ended.