main.c
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/*
* Copyright (C) 2017 Freie Universität Berlin
*
* 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 Test waking up a thread using thread flags from xtimer callback
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include "xtimer.h"
#include "thread_flags.h"
#define TIMEOUT (100UL * US_PER_MS)
#define REPEAT (5)
#define RUNTIME (TIMEOUT * REPEAT)
static void time_evt(void *arg)
{
thread_flags_set((thread_t *)arg, 0x1);
}
int main(void)
{
xtimer_t timer;
timer.callback = time_evt;
timer.arg = (void *)sched_active_thread;
uint32_t last = xtimer_now_usec();
puts("\nTest setting thread flags from (x)timer callback");
printf("You should see the message '+++ timeout XX +++' printed to the \n"
"screen %i times, once every %lu milliseconds\n\n",
REPEAT, (TIMEOUT / US_PER_MS));
for (int i = 1; i <= REPEAT; i++) {
xtimer_set(&timer, TIMEOUT);
thread_flags_wait_any(0x1);
printf("+++ timeout %2i +++\n", i);
}
/* we consider the test successful, if the runtime was above 500ms */
uint32_t runtime = xtimer_now_usec() - last;
if (runtime > RUNTIME) {
puts("Test finished: SUCCESS\n");
}
else {
puts("Test finished: FAILED\n");
}
return 0;
}