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RIOT/tests/hwtimer_wait/main.c

43 lines
923 B
C

/*
* Copyright (C) 2014 Ludwig Ortmann <ludwig.ortmann@fu-berlin.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 Hwtimer test application
*
* @author Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include "board_uart0.h"
#include "posix_io.h"
#include "hwtimer.h"
#include "thread.h"
int main(void)
{
puts("This is a regression test for a race condition in hwtimer_wait.");
puts("When the race condition is hit, the timer will wait for a very very long time...");
for (unsigned long r = 10000; r > 0; r--) {
for (unsigned long i = 256; i; i = i >> 1) {
hwtimer_wait(i);
}
}
puts("success");
return 0;
}