zbus Hello World

Browse source code on GitHub

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

I: Sensor sample started raw reading, version 0.1-2!
I: Channel list:
I: 0 - Channel acc_data_chan:
I:       Message size: 12
I:       Observers:
I:       - foo_lis
I:       - bar_sub
I:       - baz_async_lis
I: 1 - Channel simple_chan:
I:       Message size: 4
I:       Observers:
I: 2 - Channel version_chan:
I:       Message size: 4
I:       Observers:
I: Observers list:
I: 0 - Subscriber bar_sub
I: 1 - Subscriber baz_async_lis
I: 2 - Listener foo_lis
I: From listener -> Acc x=1, y=1, z=1
I: From async listener -> Acc x=1, y=1, z=1
I: From subscriber -> Acc x=1, y=1, z=1
I: From listener -> Acc x=2, y=2, z=2
I: From async listener -> Acc x=2, y=2, z=2
I: From subscriber -> Acc x=2, y=2, z=2
I: Pub a valid value to a channel with validator successfully.
I: Pub an invalid value to a channel with validator successfully.

Exit QEMU by pressing CTRL+A x.

See also

Zbus APIs