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