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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/>.
*/
/**
* @file rtc.c
* @brief Real Time Clock Abstraction Layer code.
*
* @addtogroup RTC
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_RTC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Enable access to registers and initialize RTC if BKP doamin
* was previously reseted.
*
* @note This function is implicitly invoked by @p halInit(), there is
* no need to explicitly initialize the driver.
*/
void rtcInit(void){
rtc_lld_init();
}
#if RTC_SUPPORTS_CALLBACKS
/**
* @brief Enables and disables callbacks on the fly.
* @details Pass callback function(s) in argument(s) to enable callback(s).
* Pass NULL to disable callback.
* @pre To use this function you must set @p RTC_SUPPORTS_CALLBACKS
* to @p TRUE.
*
* @param[in] rtcp - pointer to RTC driver structure.
* @param[in] overflowcb - overflow callback function.
* @param[in] secondcb - every second callback function.
* @param[in] alarmcb - alarm callback function.
*/
void rtcSetCallback(RTCDriver *rtcp, rtccb_t overflowcb,
rtccb_t secondcb, rtccb_t alarmcb){
chDbgCheck((rtcp != NULL), "rtcStart");
rtc_lld_set_callback(rtcp, overflowcb, secondcb, alarmcb);
}
#endif /* RTC_SUPPORTS_CALLBACKS */
/**
* @brief Set current time.
*
* @param[in] timespec pointer to variable storing time.
*/
void rtcSetTime(RTCDateTime *timespec){
chDbgCheck((timespec != NULL), "rtcSetTime");
rtc_lld_set_time(timespec);
}
/**
* @brief Get current time.
*
* @param[in] timespec pointer to variable storing time.
*/
void rtcGetTime(RTCDateTime *timespec){
chDbgCheck((timespec != NULL), "rtcGetTime");
rtc_lld_get_time(timespec);
}
/**
* @brief Set alarm time.
*
* @param[in] timespec pointer to variable storing time of alarm.
*/
void rtcSetAlarm(RTCDateTime *timespec){
chDbgCheck((timespec != NULL), "rtcSetAlarm");
rtc_lld_set_alarm(timespec);
}
/**
* @brief Get current alarm.
*
* @param[in] timespec pointer to variable to store alarm time.
*/
void rtcGetAlarm(RTCDateTime *timespec){
chDbgCheck((timespec != NULL), "rtcGetAlarm");
rtc_lld_get_alarm(timespec);
}
#endif /* HAL_USE_RTC */
/** @} */
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