README.rst
1.. _zbus-hello-world-sample:
2
3Hello world sample
4##################
5
6Overview
7********
8This sample implements a simple hello world application using zbus to make the threads talk to each other.
9
10Building and Running
11********************
12
13This project outputs to the console. It can be built and executed
14on QEMU as follows:
15
16.. zephyr-app-commands::
17 :zephyr-app: samples/subsys/zbus/hello_world
18 :host-os: unix
19 :board: qemu_x86
20 :goals: run
21
22Sample Output
23=============
24
25.. code-block:: console
26
27 D: Sensor sample started raw reading, version 0.1-2!
28 D: Channel list:
29 D: 0 - Channel acc_data:
30 D: Message size: 12
31 D: Observers:
32 D: - my_listener
33 D: - my_subscriber
34 D: 1 - Channel version:
35 D: Message size: 4
36 D: Observers:
37 D: Observers list:
38 D: 0 - Listener my_listener
39 D: 1 - Subscriber my_subscriber
40 D: START processing channel acc_data change
41 D: From listener -> Acc x=1, y=1, z=1
42 D: FINISH processing channel acc_data change
43 D: From subscriber -> Acc x=1, y=1, z=1
44 D: START processing channel acc_data change
45 D: From listener -> Acc x=2, y=2, z=2
46 D: FINISH processing channel acc_data change
47 D: From subscriber -> Acc x=2, y=2, z=2
48
49Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`.
50
