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/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
Concepts and parts of this file have been contributed by Uladzimir Pylinsky
aka barthess.
*/
/**
* @file hal_rtc.h
* @brief RTC Driver macros and structures.
*
* @addtogroup RTC
* @{
*/
#ifndef HAL_RTC_H
#define HAL_RTC_H
#if (HAL_USE_RTC == TRUE) || defined(__DOXYGEN__)
/*lint -save -e829 [21.10] The header is required.*/
#include <time.h>
/*lint -restore*/
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Base year of the calendar.
*/
#define RTC_BASE_YEAR 1980U
/**
* @name Date/Time bit masks for FAT format
* @{
*/
#define RTC_FAT_TIME_SECONDS_MASK 0x0000001FU
#define RTC_FAT_TIME_MINUTES_MASK 0x000007E0U
#define RTC_FAT_TIME_HOURS_MASK 0x0000F800U
#define RTC_FAT_DATE_DAYS_MASK 0x001F0000U
#define RTC_FAT_DATE_MONTHS_MASK 0x01E00000U
#define RTC_FAT_DATE_YEARS_MASK 0xFE000000U
/** @} */
/**
* @name Day of week encoding
* @{
*/
#define RTC_DAY_CATURDAY 0U
#define RTC_DAY_MONDAY 1U
#define RTC_DAY_TUESDAY 2U
#define RTC_DAY_WEDNESDAY 3U
#define RTC_DAY_THURSDAY 4U
#define RTC_DAY_FRIDAY 5U
#define RTC_DAY_SATURDAY 6U
#define RTC_DAY_SUNDAY 7U
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of a structure representing an RTC driver.
*/
typedef struct RTCDriver RTCDriver;
/**
* @brief Type of a structure representing an RTC date/time stamp.
*/
typedef struct {
/*lint -save -e46 [6.1] In this case uint32_t is fine.*/
uint32_t year: 8; /**< @brief Years since 1980. */
uint32_t month: 4; /**< @brief Months 1..12. */
uint32_t dstflag: 1; /**< @brief DST correction flag. */
uint32_t dayofweek: 3; /**< @brief Day of week 1..7. */
uint32_t day: 5; /**< @brief Day of the month 1..31. */
uint32_t millisecond: 27; /**< @brief Milliseconds since midnight.*/
/*lint -restore*/
} RTCDateTime;
#include "hal_rtc_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void rtcInit(void);
void rtcObjectInit(RTCDriver *rtcp);
void rtcSetTime(RTCDriver *rtcp, const RTCDateTime *timespec);
void rtcGetTime(RTCDriver *rtcp, RTCDateTime *timespec);
#if RTC_ALARMS > 0
void rtcSetAlarm(RTCDriver *rtcp,
rtcalarm_t alarm,
const RTCAlarm *alarmspec);
void rtcGetAlarm(RTCDriver *rtcp, rtcalarm_t alarm, RTCAlarm *alarmspec);
#endif
#if RTC_SUPPORTS_CALLBACKS == TRUE
void rtcSetCallback(RTCDriver *rtcp, rtccb_t callback);
#endif
void rtcConvertDateTimeToStructTm(const RTCDateTime *timespec,
struct tm *timp,
uint32_t *tv_msec);
void rtcConvertStructTmToDateTime(const struct tm *timp,
uint32_t tv_msec,
RTCDateTime *timespec);
uint32_t rtcConvertDateTimeToFAT(const RTCDateTime *timespec);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_RTC == TRUE */
#endif /* HAL_RTC_H */
/** @} */
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