mirror of https://github.com/rusefi/ChibiOS.git
124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file STM32/rtc_lld.h
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* @brief STM32 RTC subsystem low level driver header.
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*
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* @addtogroup RTC
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* @{
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*/
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#ifndef _RTC_LLD_H_
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#define _RTC_LLD_H_
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#if HAL_USE_RTC || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @brief Switch to TRUE if you need callbacks from RTC. Switch to FALSE
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* if you need only time keeping.
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* @note Default is true.
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*/
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#if !defined(RTC_SUPPORTS_CALLBACKS) || defined(__DOXYGEN__)
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#define RTC_SUPPORTS_CALLBACKS TRUE
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#endif
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/**
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* @brief Clock source selecting. LSE by default.
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*/
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#if !defined(RTC_CLOCK_SOURCE) || defined(__DOXYGEN__)
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#define RTC_CLOCK_SOURCE RCC_BDCR_RTCSEL_LSE
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#endif
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if HAL_USE_RTC && !STM32_HAS_RTC
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#error "RTC not present in the selected device"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Structure representing an RTC driver.
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* @note This driver if dummy when callbacks disabled.
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*/
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struct RTCDriver{
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#if RTC_SUPPORTS_CALLBACKS
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/**
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* @brief Overflow callback. Set it to NULL if not used.
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*/
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rtccb_t overflow_cb;
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/**
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* @brief Every second callback. Set it to NULL if not used.
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*/
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rtccb_t second_cb;
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/**
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* @brief Alarm callback. Set it to NULL if not used.
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*/
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rtccb_t alarm_cb;
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#endif /* RTC_SUPPORTS_CALLBACKS */
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};
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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extern RTCDriver RTCD;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void rtc_lld_init(void);
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void rtc_lld_set_callback(RTCDriver *rtcp, rtccb_t overflow_cb,
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rtccb_t second_cb, rtccb_t alarm_cb);
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void rtc_lld_set_time(uint32_t tv_sec);
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uint32_t rtc_lld_get_sec(void);
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uint16_t rtc_lld_get_msec(void);
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uint32_t rtc_lld_get_alarm(void);
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void rtc_lld_set_alarm(uint32_t);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_RTC */
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#endif /* _RTC_LLD_H_ */
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/** @} */
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