zbus Hello World

Overview

This sample implements a simple hello world application using zbus to make the threads talk to each other.

Building and Running

This project outputs to the console. It can be built and executed on QEMU as follows:

# From the root of the zephyr repository
west build -b qemu_x86 samples/subsys/zbus/hello_world
west build -t run

Sample Output

D: Sensor sample started raw reading, version 0.1-2!
D: Channel list:
D: 0 - Channel acc_data:
D:       Message size: 12
D:       Observers:
D:       - my_listener
D:       - my_subscriber
D: 1 - Channel version:
D:       Message size: 4
D:       Observers:
D: Observers list:
D: 0 - Listener my_listener
D: 1 - Subscriber my_subscriber
D: START processing channel acc_data change
D: From listener -> Acc x=1, y=1, z=1
D: FINISH processing channel acc_data change
D: From subscriber -> Acc x=1, y=1, z=1
D: START processing channel acc_data change
D: From listener -> Acc x=2, y=2, z=2
D: FINISH processing channel acc_data change
D: From subscriber -> Acc x=2, y=2, z=2

Exit QEMU by pressing CTRL+A x.

See also

Zbus APIs