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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();
}
/**
* @brief Configure and start interrupt servicing routines.
* This function do nothing if callbacks disabled.
*
* @param[in] rtcp - pointer to RTC driver structure.
* @param[in] rtccfgp - pointer to RTC config structure.
*/
#if RTC_SUPPORTS_CALLBACKS
void rtcStartI(RTCDriver *rtcp, const RTCConfig *rtccfgp){
chDbgCheckClassI();
chDbgCheck(((rtcp != NULL) && (rtccfgp != NULL)), "rtcStart");
rtc_lld_start(rtcp, rtccfgp);
}
/**
* @brief Stop interrupt servicing routines.
*/
void rtcStopI(void){
chDbgCheckClassI();
rtc_lld_stop();
}
#endif /* RTC_SUPPORTS_CALLBACKS */
/**
* @brief Set current time.
* @param[in] tv_sec - time value in UNIX notation.
*/
void rtcSetTime(uint32_t tv_sec){
rtc_lld_set_time(tv_sec);
}
/**
* @brief Return current time in UNIX notation.
*/
inline uint32_t rtcGetSec(void){
return rtc_lld_get_sec();
}
/**
* @brief Return fractional part of current time (milliseconds).
*/
inline uint16_t rtcGetMsec(void){
return rtc_lld_get_msec();
}
/**
* @brief Set alarm date in UNIX notation.
*/
void rtcSetAlarm(uint32_t tv_alarm){
rtc_lld_set_alarm(tv_alarm);
}
/**
* @brief Get current alarm date in UNIX notation.
*/
inline uint32_t rtcGetAlarm(void){
return rtc_lld_get_alarm();
}
#endif /* HAL_USE_RTC */
/** @} */
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