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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
RTCTime timespec;
RTCAlarm alarmspec;
#define TEST_ALARM_WAKEUP FALSE
#if TEST_ALARM_WAKEUP
/* sleep indicator thread */
static WORKING_AREA(blinkWA, 128);
static msg_t blink_thd(void *arg){
(void)arg;
while (TRUE) {
chThdSleepMilliseconds(100);
palTogglePad(IOPORT3, GPIOC_LED);
}
return 0;
}
int main(void) {
halInit();
chSysInit();
chThdCreateStatic(blinkWA, sizeof(blinkWA), NORMALPRIO, blink_thd, NULL);
/* set alarm in near future */
rtcGetTime(&RTCD1, ×pec);
alarmspec.tv_sec = timespec.tv_sec + 60;
rtcSetAlarm(&RTCD1, 0, &alarmspec);
while (TRUE){
chThdSleepSeconds(10);
chSysLock();
/* going to anabiosis*/
PWR->CR |= (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_CSBF | PWR_CR_CWUF);
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
__WFI();
}
return 0;
}
#else /* TEST_ALARM_WAKEUP */
/**
* Callback function for RTC.
*/
static void my_cb(RTCDriver *rtcp, rtcevent_t event) {
(void)rtcp;
switch (event) {
case RTC_EVENT_OVERFLOW:
palTogglePad(GPIOC, GPIOC_LED);
break;
case RTC_EVENT_SECOND:
//palTogglePad(GPIOC, GPIOC_LED);
break;
case RTC_EVENT_ALARM:
palTogglePad(GPIOC, GPIOC_LED);
rtcGetTime(&RTCD1, ×pec);
alarmspec.tv_sec = timespec.tv_sec + 5;
rtcSetAlarm(&RTCD1, 0, &alarmspec);
break;
}
}
/**
* Configuration structure with all callbacks supported by platform.
*/
static RTCCallbackConfig rtc_cb_cfg = {
my_cb
};
/**
* Main function.
*/
int main(void){
halInit();
chSysInit();
rtcGetTime(&RTCD1, ×pec);
alarmspec.tv_sec = timespec.tv_sec + 5;
rtcSetAlarm(&RTCD1, 0, &alarmspec);
rtcSetCallback(&RTCD1, &rtc_cb_cfg);
while (TRUE){
chThdSleepMilliseconds(500);
}
return 0;
}
#endif /* TEST_ALARM_WAKEUP */
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