/**
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******************************************************************************
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* @file xl_rtc.c
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* @author Kirk ,xu.wang
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* @version 4.5.2
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* @date Fri Mar 26 17:29:12 2021
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* @brief This file provide function about RTC firmware program
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/* Includes ---------------------------------------------------------------*/
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#include "xl_rtc.h"
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @defgroup RTC RTC Module
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* @brief RTC Driver Modules Library
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup RTC_Private_Functions
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* @{
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*/
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/**
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* @brief RTCĬÈϳõʼ»¯
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè
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* @retval None
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*/
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void RTC_DeInit(RTC_Type *RTCx)
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{
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/* Deinitializes to default reset values */
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RTCx->SC = 0x0000;
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}
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/**
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* @brief ³õʼ»¯RTC
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @param RTC_InitStruct:RTC_InitTypeDefÀàÐ͵ÄÖ¸Õ룬°üº¬ÁËRTCÍâÉèµÄÉèÖÃÐÅÏ¢
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* @retval None
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*/
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void RTC_Init(RTC_Type *RTCx, const RTC_InitTypeDef *RTC_InitStruct)
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{
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uint32_t tmpreg;
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/*---------------------------- RTC SC Configuration ------------------------*/
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/* Get the RTC SC value. */
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tmpreg = RTCx->SC ;
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/* Clear bits Value in SC register.*/
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tmpreg &= ~(RTC_SC_RTCLKS_MASK | RTC_SC_RTCPS_MASK);
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/* Set the bit RTCLKS,RTCPS in CR Register. */
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tmpreg |= (uint32_t)((((uint32_t)(((uint32_t)(RTC_InitStruct->RTC_ClkSrc))<<RTC_SC_RTCLKS_SHIFT))&RTC_SC_RTCLKS_MASK) \
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|(((uint32_t)(((uint32_t)(RTC_InitStruct->RTC_ClkPres))<<RTC_SC_RTCPS_SHIFT))&RTC_SC_RTCPS_MASK));
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/* Write to RTC SC Register. */
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RTCx->SC = tmpreg ;
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}
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/**
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* @brief RTCʹÄÜ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @param NewState: RTCʹÄÜ״̬
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg ENABLE: RTCʹÄÜ
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* @arg DISABLE: RTCʧÄÜ
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* @retval None
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*/
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void RTC_EnableCmd(RTC_Type *RTCx, FunctionalState NewState)
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{
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if(NewState == ENABLE)
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{
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RTCx->SC |= RTC_SC_RTCEN_MASK;
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}
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else
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{
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RTCx->SC &= (~RTC_SC_RTCEN_MASK);
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}
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}
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/**
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* @brief RTCÖжÏʹÄÜ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @param NewState: RTCÖжÏʹÄÜ״̬
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg ENABLE: RTCÖжÏʹÄÜ
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* @arg DISABLE: RTCÖжÏʧÄÜ
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* @retval None
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*/
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void RTC_InterruptEn(RTC_Type *RTCx,FunctionalState NewState)
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{
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if(NewState != DISABLE )
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{
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/* Real-time interrupt requests are enabled. */
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RTCx->SC |= RTC_SC_RTIE_MASK;
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}
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else
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{
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/* Real-time interrupt requests are disabled. */
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RTCx->SC &= ~RTC_SC_RTIE_MASK;
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}
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}
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/**
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* @brief RTCʵʱÊä³öʹÄÜ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè
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* @param NewState: RTCʵʱÊä³öʹÄÜ״̬
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg ENABLE: ʹÄÜRTCʵʱÊä³ö
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* @arg DISABLE: ʧÄÜRTCʵʱÊä³ö
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* @retval None
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*/
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void RTC_CountOutputEn(RTC_Type *RTCx,FunctionalState NewState)
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{
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if(NewState != DISABLE )
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{
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/* Real-time counter output enabled. */
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RTCx->SC |= RTC_SC_RTCO_MASK;
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}
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else
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{
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/* Real-time counter output disabled. */
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RTCx->SC &= ~RTC_SC_RTCO_MASK;
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}
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}
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/**
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* @brief »ñÈ¡RTCʵʱÖжϱê־λ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @retval ʵʱÖжϱê־λ
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*/
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ITStatus RTC_GetInterruptFlag(const RTC_Type *RTCx)
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{
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return ((RTCx->SC & RTC_SC_RTIF_MASK) == RTC_SC_RTIF_MASK);
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}
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/**
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* @brief Çå¿ÕRTCʵʱÖжϱê־λ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @retval None
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*/
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void RTC_ClrInterruptFlag(RTC_Type *RTCx)
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{
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/* Writing a logic 1 clears the bit and the real-time interrupt request */
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RTCx->SC |= RTC_SC_RTIF_MASK;
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}
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/**
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* @brief ÉèÖÃRTCÄ£Êý¼Ä´æÆ÷
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè
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* @param RTC_ModValue: RTCµÄÄ£ÊýÖµ
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* @retval None
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*/
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void RTC_SetModValue(RTC_Type *RTCx,uint16_t RTC_ModValue)
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{
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/* modulo Value of RTC. */
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RTCx->MOD = RTC_ModValue;
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}
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/**
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* @brief »ñµÃRTC¼ÆÊýÆ÷µÄµ±Ç°Öµ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @retval None
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*/
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uint16_t RTC_GetCountValue(const RTC_Type *RTCx)
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{
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uint16_t countvalue;
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/* the value of the current RTC count. */
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countvalue= (uint16_t)RTCx->CNT ;
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return countvalue;
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}
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/**
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* @brief RTCʱ¼ä´Á¼ÆÊýÆ÷ʹÄÜ
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè
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* @param NewState: RTCʱ¼ä´ÁʹÄÜ״̬
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg ENABLE: ʹÄÜRTCʱ¼ä´Á¼ÆÊý
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* @arg DISABLE: ʧÄÜRTCʱ¼ä´Á¼ÆÊý
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* @retval None
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*/
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void RTC_TimeStampEnableCmd(RTC_Type *RTCx, FunctionalState NewState)
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{
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if(NewState == ENABLE)
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{
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RTCx->STAMP_CFG |= RTC_STAMP_CFG_CNTEN_MASK;
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}
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else
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{
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RTCx->STAMP_CFG &= ~RTC_STAMP_CFG_CNTEN_MASK;
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}
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}
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/**
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* @brief »ñÈ¡RTCʱ¼ä´Á¼ÆÊý
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* @param RTCx: ÊäÈë¿ÉÓõÄRTCÍâÉè¡£
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* @retval None
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*/
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uint64_t RTC_GetStampCountValue(const RTC_Type *RTCx)
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{
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uint64_t countvalue;
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/* the value of the current RTC count. */
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countvalue= (uint64_t)RTCx->STAMP_CNT ;
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return countvalue;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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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 /* __cplusplus */
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