platform-ststm32/examples/mbed-rtos/src/main.cpp

39 lines
897 B
C++

#include "mbed.h"
#include "rtos.h"
/*
* The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
* the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
* and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
*/
#if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
#define STACK_SIZE DEFAULT_STACK_SIZE/4
#else
#define STACK_SIZE DEFAULT_STACK_SIZE
#endif
void print_char(char c = '*') {
printf("%c", c);
fflush(stdout);
}
DigitalOut led1(LED1);
DigitalOut led2(LED2);
void led2_thread(void const *argument) {
while (true) {
led2 = !led2;
Thread::wait(1000);
print_char();
}
}
int main() {
Thread thread(led2_thread, NULL, osPriorityNormal, STACK_SIZE);
while (true) {
led1 = !led1;
Thread::wait(500);
}
}