README.rst
1.. zephyr:code-sample:: cmsis-rtos-v1-sync
2 :name: Synchronization using CMSIS RTOS V1 APIs
3
4 Use timers and message queues from CMSIS RTOS v1 API to synchronize threads.
5
6Overview
7********
8The sample project illustrates usage of timers and message queues using
9CMSIS RTOS V1 APIs.
10
11The main thread creates a preemptive thread which writes message to message queue
12and on timer expiry, message is read by main thread.
13
14
15Building and Running Project
16****************************
17This project outputs to the console. It can be built and executed
18on QEMU as follows:
19
20.. zephyr-app-commands::
21 :zephyr-app: samples/philosophers
22 :host-os: unix
23 :board: qemu_x86
24 :goals: run
25 :compact:
26
27Sample Output
28=============
29
30.. code-block:: console
31
32 Wrote to message queue: 5
33 Read from message queue: 5
34
35 Wrote to message queue: 6
36 Read from message queue: 6
37
38 Wrote to message queue: 7
39 Read from message queue: 7
40
41 Wrote to message queue: 8
42 Read from message queue: 8
43
44 Wrote to message queue: 9
45 Read from message queue: 9
46
47 Wrote to message queue: 10
48 Read from message queue: 10
49
50 Wrote to message queue: 11
51 Read from message queue: 11
52
53 Wrote to message queue: 12
54 Read from message queue: 12
55
56 Wrote to message queue: 13
57 Read from message queue: 13
58
59 Wrote to message queue: 14
60 Read from message queue: 14
61
62 Wrote to message queue: 15
63 Read from message queue: 15
64
65 Sample execution successful
66
67Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`.
68