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Confirmed channel

Browse source code on GitHub

Overview

This sample implements a simple way of using confirmed channels in zbus. The confirmed channel can only be published when all the subscribers consume the message.

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/confirmed_channel
west build -t run

Sample Output

I: From listener -> Confirmed message payload = 0
I: From bar_sub2 subscriber -> Confirmed message payload = 0
I: From bar_sub1 subscriber -> Confirmed message payload = 0
I: From bar_sub3 subscriber -> Confirmed message payload = 0
I: From listener -> Confirmed message payload = 1
I: From bar_sub2 subscriber -> Confirmed message payload = 1
I: From bar_sub1 subscriber -> Confirmed message payload = 1
I: From bar_sub3 subscriber -> Confirmed message payload = 1
I: From listener -> Confirmed message payload = 2
I: From bar_sub2 subscriber -> Confirmed message payload = 2
I: From bar_sub1 subscriber -> Confirmed message payload = 2
I: From bar_sub3 subscriber -> Confirmed message payload = 2
I: From listener -> Confirmed message payload = 3
I: From bar_sub2 subscriber -> Confirmed message payload = 3
I: From bar_sub1 subscriber -> Confirmed message payload = 3
I: From bar_sub3 subscriber -> Confirmed message payload = 3
<continues>

Exit QEMU by pressing CTRL+A x.

See also

Zbus APIs