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/*!
* @file apm32f10x_rtc.c
*
* @brief This file provides all the RTC firmware functions
*
* @version V1.0.1
*
* @date 2021-03-23
*
*/
#include "apm32f10x_rtc.h"
/** @addtogroup Peripherals_Library Standard Peripheral Library
@{
*/
/** @addtogroup RTC_Driver RTC Driver
@{
*/
/** @addtogroup RTC_Fuctions Fuctions
@{
*/
/*!
* @brief Enter RTC configuration mode.
*
* @param None
*
* @retval None
*/
void RTC_EnableConfigMode(void)
{
RTC->CSTS_B.CFGMFLG = BIT_SET;
}
/*!
* @brief Exit RTC configuration mode.
*
* @param None
*
* @retval None
*/
void RTC_DisableConfigMode(void)
{
RTC->CSTS_B.CFGMFLG = BIT_RESET;
}
/*!
* @brief Read the RTC counter value.
*
* @param None
*
* @retval RTC counter value.
*/
uint32_t RTC_ReadCounter(void)
{
return (((RTC->CNTH_B.CNTH) << 16) | (RTC->CNTL_B.CNTL));
}
/*!
* @brief Config the RTC counter value.
*
* @param value: RTC counter new value.
*
* @retval None
*/
void RTC_ConfigCounter(uint32_t value)
{
RTC_EnableConfigMode();
RTC->CNTH_B.CNTH = value >> 16;
RTC->CNTL_B.CNTL = value & 0x0000FFFF;
RTC_DisableConfigMode();
}
/*!
* @brief Config the RTC prescaler value.
*
* @param value: RTC prescaler new value.
*
* @retval None
*/
void RTC_ConfigPrescaler(uint32_t value)
{
RTC_EnableConfigMode();
RTC->PSCRLDH_B.PSCRLDH = value >> 16;
RTC->PSCRLDL_B.PSCRLDL = value & 0x0000FFFF;
RTC_DisableConfigMode();
}
/*!
* @brief Config the RTC alarm value.
*
* @param value: RTC alarm new value.
*
* @retval None
*/
void RTC_ConfigAlarm(uint32_t value)
{
RTC_EnableConfigMode();
RTC->ALRH_B.ALRH = value >> 16;
RTC->ALRL_B.ALRL = value & 0x0000FFFF;
RTC_DisableConfigMode();
}
/*!
* @brief Reads the RTC divider value.
*
* @param None
*
* @retval RTC Divider value.
*/
uint32_t RTC_ReadDivider(void)
{
return ((RTC->PSCH_B.PSCH & 0x000F) << 16 ) | (RTC->PSCL_B.PSCL);
}
/*!
* @brief Waits until last write operation on RTC registers has finished.
*
* @param None
*
* @retval None
*/
void RTC_WaitForLastTask(void)
{
while(RTC->CSTS_B.OCFLG == BIT_RESET)
{
}
}
/*!
* @brief Waits until the RTC registers
*
* @param None
*
* @retval None
*/
void RTC_WaitForSynchor(void)
{
RTC->CSTS_B.RSYNCFLG = BIT_RESET;
while(RTC->CSTS_B.RSYNCFLG == BIT_RESET)
{
}
}
/*!
* @brief Enable RTC interrupts.
*
* @param interrupt: RTC interrupt
*
* @retval None
*/
void RTC_EnableInterrupt(uint16_t interrupt)
{
RTC->CTRL |= interrupt;
}
/*!
* @brief Disable RTC interrupts.
*
* @param interrupt: RTC interrupt
*
* @retval None
*/
void RTC_DisableInterrupt(uint16_t interrupt)
{
RTC->CTRL &= (uint32_t )~interrupt;
}
/*!
* @brief Read flag bit
*
* @param flag: Flags to read
*
* @retval flag bit
*/
uint8_t RTC_ReadStatusFlag(RTC_FLAG_T flag)
{
return (RTC->CSTS & flag) ? SET : RESET;
}
/*!
* @brief Clear flag bit
*
* @param flag: Flags to clear
*
* @retval None
*/
void RTC_ClearStatusFlag(uint16_t flag)
{
RTC->CSTS &= (uint32_t)~flag;
}
/*!
* @brief Read interrupt flag bit is set
*
* @param flag:Flag bit to check
*
* @retval None
*/
uint8_t RTC_ReadIntFlag(RTC_INT_T flag)
{
return (RTC->CSTS & flag) ? SET : RESET;
}
/*!
* @brief Clear RTC interrupt flag bit
*
* @param flag: Clears the specified interrupt flag bit
*
* @retval None
*/
void RTC_ClearIntFlag(uint16_t flag)
{
RTC->CSTS &= (uint32_t)~flag;
}
/**@} end of group RTC_Fuctions*/
/**@} end of group RTC_Driver*/
/**@} end of group Peripherals_Library*/
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