mbed-os/TESTS/mbedmicro-rtos-mbed/signals/main.cpp

54 lines
1.5 KiB
C++

#include "mbed.h"
#include "greentea-client/test_env.h"
#include "rtos.h"
#define SIGNAL_SET_VALUE 0x01
const int SIGNALS_TO_EMIT = 100;
const int SIGNAL_HANDLE_DELEY = 25;
/*
* 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
#elif (defined(TARGET_STM32F030R8)) && defined(TOOLCHAIN_IAR)
#define STACK_SIZE DEFAULT_STACK_SIZE/2
#else
#define STACK_SIZE DEFAULT_STACK_SIZE
#endif
DigitalOut led(LED1);
int signal_counter = 0;
void led_thread(void const *argument) {
while (true) {
// Signal flags that are reported as event are automatically cleared.
Thread::signal_wait(SIGNAL_SET_VALUE);
led = !led;
signal_counter++;
}
}
int main (void) {
GREENTEA_SETUP(20, "default_auto");
Thread thread(led_thread, NULL, osPriorityNormal, STACK_SIZE);
bool result = false;
printf("Handling %d signals...\r\n", SIGNALS_TO_EMIT);
while (true) {
Thread::wait(2 * SIGNAL_HANDLE_DELEY);
thread.signal_set(SIGNAL_SET_VALUE);
if (signal_counter == SIGNALS_TO_EMIT) {
printf("Handled %d signals\r\n", signal_counter);
result = true;
break;
}
}
GREENTEA_TESTSUITE_RESULT(result);
return 0;
}