138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
/************************************************************************!
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* 技术讨论：QQ群 123763203
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* 官网 ：www.navota.com
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*
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* @file rtc.c
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* @brief rtc定时器函数库
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* @author Navota
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* @date 2018-3-1
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***************************************************************************/
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#include "common.h"
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#include "rtc.h"
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/*!
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* @brief 存放中断回调入口
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*
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*/
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RTC_CallbackType RTC_Callback[1] = {(RTC_CallbackType)NULL};
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void RTC_Isr(void);
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/******************************************************************************
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* 定义RTC的接口函数
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*******************************************************************************/
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/*****************************************************************************//*!
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*
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* @brief 初始化RTC模块
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*
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* @param[in] pConfig 配置RTC模块的结构体
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*
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* @return none
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*
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*****************************************************************************/
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void RTC_Init(RTC_ConfigType *pConfig)
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{
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uint16_t u16Clocksource, u16Prescler;
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uint16_t u16ModVal;
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u16Clocksource =0;
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u16Prescler =0;
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u16ModVal =0;
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SIM->SCGC |= SIM_SCGC_RTC_MASK;
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u16ModVal = pConfig->u16ModuloValue;
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RTC_SetModulo(u16ModVal);
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if (pConfig->bRTCOut)
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{
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RTC->SC= RTC_SC_RTCO_MASK;
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}
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if (pConfig->bInterruptEn)
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{
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NVIC_EnableIRQ(RTC_IRQn);
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RTC_EnableInt();
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}
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else
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{
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NVIC_DisableIRQ(RTC_IRQn);
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}
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if (pConfig->bFlag)
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{
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RTC_ClrFlags();
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}
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u16Clocksource = pConfig->bClockSource;
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u16Prescler = pConfig->bClockPresaler;
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RTC_SetClock(u16Clocksource,u16Prescler );
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}
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/*****************************************************************************//*!
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*
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* @brief 设置RTC模块的中断回调函数
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*
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* @param[in] pfnCallback 回调函数的地址
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*
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* @return none
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*
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*****************************************************************************/
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void RTC_SetCallback(RTC_CallbackType pfnCallback)
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{
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RTC_Callback[0] = pfnCallback;
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}
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/*****************************************************************************//*!
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*
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* @brief 复位RTC模块
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*
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* @param none
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*
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* @return none
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*
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*****************************************************************************/
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void RTC_DeInit(void)
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{
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NVIC_DisableIRQ(RTC_IRQn);
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RTC->MOD = 0;
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while(RTC->MOD);
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if(RTC_GetFlags())
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{
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RTC_ClrFlags();
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}
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RTC->SC = 0;
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while(RTC->SC);
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SIM->SCGC &= ~SIM_SCGC_RTC_MASK;
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}
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/*****************************************************************************//*!
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*
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* @brief RTC中断服务函数
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*
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* @param none
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*
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* @return none
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*
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*****************************************************************************/
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void RTC_Isr(void)
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{
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RTC_ClrFlags(); //清除中断标志位
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if (RTC_Callback[0])
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{
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RTC_Callback[0]();
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}
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}
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