tmk_core/tool/mbed/mbed-sdk/libraries/tests/rtos/mbed/isr/main.cpp

   1 #include "mbed.h"
   2 #include "test_env.h"
   3 #include "rtos.h"
   4
   5 #define QUEUE_SIZE              5
   6 #define THREAD_DELAY            250
   7 #define QUEUE_PUT_ISR_VALUE     128
   8 #define QUEUE_PUT_THREAD_VALUE  127
   9
  10 /*
  11  * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
  12  * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
  13  * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
  14  */
  15 #if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
  16     #define STACK_SIZE DEFAULT_STACK_SIZE/4
  17 #else
  18     #define STACK_SIZE DEFAULT_STACK_SIZE
  19 #endif
  20
  21 Queue<uint32_t, QUEUE_SIZE> queue;
  22
  23 DigitalOut myled(LED1);
  24
  25 void queue_isr() {
  26
  27     queue.put((uint32_t*)QUEUE_PUT_ISR_VALUE);
  28     myled = !myled;
  29 }
  30
  31 void queue_thread(void const *argument) {
  32     while (true) {
  33         queue.put((uint32_t*)QUEUE_PUT_THREAD_VALUE);
  34         Thread::wait(THREAD_DELAY);
  35     }
  36 }
  37
  38 int main (void) {
  39     MBED_HOSTTEST_TIMEOUT(20);
  40     MBED_HOSTTEST_SELECT(default_auto);
  41     MBED_HOSTTEST_DESCRIPTION(ISR (Queue));
  42     MBED_HOSTTEST_START("RTOS_8");
  43
  44     Thread thread(queue_thread, NULL, osPriorityNormal, STACK_SIZE);
  45     Ticker ticker;
  46     ticker.attach(queue_isr, 1.0);
  47     int isr_puts_counter = 0;
  48     bool result = true;
  49
  50     while (true) {
  51         osEvent evt = queue.get();
  52         if (evt.status != osEventMessage) {
  53             printf("QUEUE_GET: Status(0x%02X) ... [FAIL]\r\n", evt.status);
  54             result = false;
  55             break;
  56         } else {
  57             printf("QUEUE_GET: Value(%u) ... [OK]\r\n", evt.value.v);
  58             if (evt.value.v == QUEUE_PUT_ISR_VALUE) {
  59                 isr_puts_counter++;
  60             }
  61             if (isr_puts_counter >= QUEUE_SIZE) {
  62                 break;
  63             }
  64         }
  65     }
  66
  67     MBED_HOSTTEST_RESULT(result);
  68     return 0;
  69 }