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/*
* Copyright (C) 2014 Freie Universitรคt 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 for low-level Real Time Timer drivers
*
* This test will initialize the real-time timer and trigger an alarm printing
* 'Hello' every 10 seconds
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include <stdint.h>
#include "cpu.h"
#include "periph_conf.h"
#include "periph/rtt.h"
#define TICKS_TO_WAIT (10 * RTT_FREQUENCY)
void cb(void *arg)
{
(void)arg;
uint32_t now;
now = rtt_get_counter() + TICKS_TO_WAIT;
now = (now > RTT_MAX_VALUE) ? now - RTT_MAX_VALUE : now;
rtt_set_alarm(now, cb, 0);
puts("Hello");
}
int main(void)
{
puts("\nRIOT RTT low-level driver test");
puts("This test will display 'Hello' every 10 seconds\n");
puts("Initializing the RTT driver");
rtt_init();
puts("Setting initial alarm");
rtt_set_alarm(TICKS_TO_WAIT, cb, 0);
puts("Done setting up the RTT, wait for many Hellos");
return 0;
}
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