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RIOT/tests/xtimer_reset/main.c 1.46 KB
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  /*
   * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup     tests
   * @{
   *
   * @file
   * @brief       xtimer re-set test application
   *
   * @author      Kaspar Schleiser <kaspar@schleiser.de>
   *
   * @}
   */
  
  #include <stdint.h>
  #include <inttypes.h>
  #include <stdio.h>
  
  #include "thread.h"
  #include "xtimer.h"
  extern void xtimer_dump_all(void);
  int main(void)
  {
      printf("This test tests re-setting of an already active timer.\n");
      printf("It should print three times \"now=<value>\", with values"
             " approximately 100ms (100000us) apart.\n");
  
      xtimer_t xtimer;
      xtimer_t xtimer2;
  
      kernel_pid_t me = thread_getpid();
  
      xtimer_set_wakeup(&xtimer, ((uint32_t)1<<31), me);
      xtimer_set_wakeup(&xtimer2, ((uint32_t)1<<31), me);
  
      xtimer_set_wakeup(&xtimer, ((uint32_t)1<<16), me);
      xtimer_set_wakeup(&xtimer2, ((uint32_t)1<<16), me);
  
      xtimer_set_wakeup(&xtimer, 4000000, me);
      xtimer_set_wakeup(&xtimer2, 3000000, me);
  
      xtimer_set_wakeup(&xtimer, 200000, me);
      xtimer_set_wakeup(&xtimer2, 100000, me);
  
      printf("now=%" PRIu32 "\n", xtimer_now_usec());
      thread_sleep();
      printf("now=%" PRIu32 "\n", xtimer_now_usec());
      thread_sleep();
      printf("now=%" PRIu32 "\n", xtimer_now_usec());
  
      printf("Test completed!\n");
  
      return 0;
  }