mbed official / Mbed 2 deprecated cmsis_rtos_mutex

Basic example showing the CMSIS-RTOS mutex API

Dependencies:   mbed mbed-rtos

mbed 2 and mbed OS 5

This is an mbed 2 example. mbed OS 5 has integrated the mbed library with mbed-rtos. For an mbed-os example, please see:

Import programrtos_mutex

mutex example

Last commit 23 Jun 2017 by mbed_example

main.cpp

Committer:
emilmont
Date:
2012-07-13
Revision:
1:1af1f0df8694
Parent:
0:8fbdbe6e5158

File content as of revision 1:1af1f0df8694:

#include "mbed.h"
#include "cmsis_os.h"

osMutexId stdio_mutex;
osMutexDef(stdio_mutex);

void notify(const char* name, int state) {
    osMutexWait(stdio_mutex, osWaitForever);
    printf("%s: %d\n\r", name, state);
    osMutexRelease(stdio_mutex);
}

void test_thread(void const *args) {
    while (true) {
        notify((const char*)args, 0); osDelay(1000);
        notify((const char*)args, 1); osDelay(1000);
    }
}

void t2(void const *argument) {test_thread("Th 2");}
osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);

void t3(void const *argument) {test_thread("Th 3");}
osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);

int main() {
    stdio_mutex = osMutexCreate(osMutex(stdio_mutex));
    
    osThreadCreate(osThread(t2), NULL);
    osThreadCreate(osThread(t3), NULL);
    
    test_thread((void *)"Th 1");
}