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106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/*
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* Copyright (C) 2015 Lari Lehtomäki
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test for low-level Real Time clock drivers
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*
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* This test will initialize the real-time timer and trigger an alarm printing
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* 'Hello' every 10 seconds
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*
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* @author Lari Lehtomäki <lari@lehtomaki.fi>
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*
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* @}
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*/
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#include <stdio.h>
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#include <time.h>
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#include "periph_conf.h"
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#include "periph/rtc.h"
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#include "xtimer.h"
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#define PERIOD (2U)
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#define REPEAT (4U)
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#define TM_YEAR_OFFSET (1900)
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static unsigned cnt = 0;
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static void print_time(const char *label, const struct tm *time)
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{
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printf("%s %04d-%02d-%02d %02d:%02d:%02d\n", label,
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time->tm_year + TM_YEAR_OFFSET,
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time->tm_mon + 1,
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time->tm_mday,
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time->tm_hour,
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time->tm_min,
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time->tm_sec);
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}
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static void inc_secs(struct tm *time, unsigned val)
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{
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time->tm_sec += val;
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if (time->tm_sec >= 60) {
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time->tm_sec -= 60;
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}
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}
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static void cb(void *arg)
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{
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(void)arg;
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puts("Alarm!");
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if (++cnt < REPEAT) {
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struct tm time;
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rtc_get_alarm(&time);
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inc_secs(&time, PERIOD);
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rtc_set_alarm(&time, cb, NULL);
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}
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}
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int main(void)
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{
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struct tm time = {
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.tm_year = 2011 - TM_YEAR_OFFSET, /* years are counted from 1900 */
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.tm_mon = 11, /* 0 = January, 11 = December */
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.tm_mday = 13,
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.tm_hour = 14,
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.tm_min = 15,
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.tm_sec = 15
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};
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puts("\nRIOT RTC low-level driver test");
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printf("This test will display 'Alarm!' every %u seconds for %u times\n",
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PERIOD, REPEAT);
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/* set RTC */
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print_time(" Setting clock to ", &time);
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rtc_set_time(&time);
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/* read RTC to confirm value */
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rtc_get_time(&time);
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print_time("Clock value is now ", &time);
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/* set initial alarm */
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inc_secs(&time, PERIOD);
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print_time(" Setting alarm to ", &time);
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rtc_set_alarm(&time, cb, NULL);
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/* verify alarm */
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rtc_get_alarm(&time);
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print_time(" Alarm is set to ", &time);
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puts("");
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return 0;
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}
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