You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

60 lines
1.2 KiB

/*
* Copyright (C) 2014 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 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)
static volatile uint32_t last;
void cb(void *arg)
{
(void)arg;
last += TICKS_TO_WAIT;
last &= RTT_MAX_VALUE;
rtt_set_alarm(last, 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");
last = TICKS_TO_WAIT;
rtt_set_alarm(TICKS_TO_WAIT, cb, 0);
puts("Done setting up the RTT, wait for many Hellos");
return 0;
}