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RIOT/tests/thread_flags/main.c 2.1 KB
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  /*
   * Copyright (C) 2016 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   simple thread flags test application
   *
   * @author  Kaspar Schleiser <kaspar@schleiser.de>
   *
   * @}
   */
  
  #include <stdio.h>
  #include "thread.h"
  
  static char stack[THREAD_STACKSIZE_MAIN];
  
  static void *_thread(void *arg)
  {
      (void) arg;
  
      thread_flags_t flags;
  
      printf("thread(): waiting for 0x1...\n");
      flags = thread_flags_wait_any(0x1);
      printf("thread(): received flags: 0x%04x\n", (unsigned)flags & 0xFFFF);
  
      printf("thread(): waiting for 0x1 || 0x64...\n");
      flags = thread_flags_wait_any(0x1 | 0x64);
      printf("thread(): received flags: 0x%04x\n", (unsigned)flags & 0xFFFF);
  
      printf("thread(): waiting for 0x2 && 0x4...\n");
      flags = thread_flags_wait_all(0x2 | 0x4);
      printf("thread(): received flags: 0x%04x\n", (unsigned)flags & 0xFFFF);
  
  
      printf("thread(): waiting for any flag, one by one\n");
      flags = thread_flags_wait_one(0xFFFF);
      printf("thread(): received flags: 0x%04x\n", (unsigned)flags & 0xFFFF);
  
      printf("thread(): waiting for any flag, one by one\n");
      flags = thread_flags_wait_one(0xFFFF);
      printf("thread(): received flags: 0x%04x\n", (unsigned)flags & 0xFFFF);
  
      return NULL;
  }
  
  static void _set(thread_t *thread, thread_flags_t flags)
  {
      printf("main(): setting flag 0x%04x\n", (unsigned)flags & 0xFFFF);
      thread_flags_set(thread, flags);
  }
  
  int main(void)
  {
      printf("main starting\n");
  
      kernel_pid_t pid = thread_create(stack,
                    sizeof(stack),
                    THREAD_PRIORITY_MAIN - 1,
                    THREAD_CREATE_STACKTEST,
                    _thread,
                    NULL,
                    "second_thread");
  
      thread_t *thread = (thread_t*) thread_get(pid);
      _set(thread, 0x1);
      _set(thread, 0x64);
      _set(thread, 0x1);
      _set(thread, 0x8);
      _set(thread, 0x2);
      _set(thread, 0x4);
  
      while(1) {};
      return 0;
  }