2014-12-16 19:54:29 +08:00
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/*
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* @brief RTC tick to (a more) Universal Time
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* Adds conversion functions to use an RTC that only provides a
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* seconds capability to provide "struct tm" support.
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2014
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licenser disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#ifndef __RTC_UT_H_
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#define __RTC_UT_H_
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#include "chip.h"
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#include <stdlib.h>
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2021-11-24 11:38:00 +08:00
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#include <sys/time.h>
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2014-12-16 19:54:29 +08:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup RTC_UT CHIP: RTC tick to (a more) Universal Time conversion functions
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* @ingroup CHIP_Common
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* This driver converts between a RTC 1-second tick value and
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* a Universal time format in a structure of type 'struct tm'.
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* @{
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*/
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/* Starting year and starting day of week for the driver */
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#define TM_YEAR_BASE (1900)
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#define TM_DAYOFWEEK (1)
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/**
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* @brief Converts a RTC tick time to Universal time
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* @param rtcTick : Current RTC time value
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* @param pTime : Pointer to time structure to fill
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* @return Nothing
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* @note When setting time, the 'tm_wday', 'tm_yday', and 'tm_isdst'
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* fields are not used.
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*/
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void ConvertRtcTime(uint32_t rtcTick, struct tm *pTime);
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/**
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* @brief Converts a Universal time to RTC tick time
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* @param pTime : Pointer to time structure to use
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* @param rtcTick : Pointer to RTC time value to fill
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* @return Nothing
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* @note When converting time, the 'tm_isdst' field is not
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* populated by the conversion function.
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*/
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void ConvertTimeRtc(struct tm *pTime, uint32_t *rtcTick);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RTC_UT_H_ */
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