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rt-thread-official/bsp/acm32f4xx-nucleo/libraries/HAL_Driver/Src/HAL_RTC.c

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/*
******************************************************************************
* @file HAL_RTC.c
* @version V1.0.0
* @date 2020
* @brief RTC HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Real-Time Clock (RTC) peripheral:
* + Initialization functions
* + Time and Date configuration
* + Alarm configuration
* + WakeUp Timer configuration
* + TimeStamp configuration
* + Tampers configuration
* + Backup Data Registers configuration
* + RTC Tamper and TimeStamp Pins Selection
* + Interrupts and flags management
******************************************************************************
*/
#include "ACM32Fxx_HAL.h"
/*********************************************************************************
* Function : HAL_RTC_Config
* Description : Initialize the RTC peripheral
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
HAL_StatusTypeDef HAL_RTC_Config(RTC_ConfigTypeDef *hrtc)
{
#if (USE_FULL_ASSERT == 1)
/* Check RTC Parameter */
if (!IS_RTC_CLOCKSRC(hrtc->u32_ClockSource)) return HAL_ERROR;
if (!IS_RTC_COMPENSATION(hrtc->u32_Compensation)) return HAL_ERROR;
#endif
/* RTC domain write enable */
SCU->STOPCFG |= (1 << 0);
PMU->CR1 |= RPMU_CR_RTCEN;
switch (hrtc->u32_ClockSource)
{
case RTC_CLOCK_RC32K:
{
PMU->ANACR |= RPMU_ANACR_RC32K_EN;
while(!(PMU->ANACR & RPMU_ANACR_RC32K_RDY));
PMU->CR1 &= ~RTC_CLOCK_XTL;
}break;
case RTC_CLOCK_XTL:
{
PMU->ANACR = (PMU->ANACR & ~RPMU_ANACR_XTLDRV) | (RPMU_ANACR_XTLDRV_1 | RPMU_ANACR_XTLDRV_0);
PMU->ANACR |= RPMU_ANACR_XTLEN;
while(!(PMU->ANACR & RPMU_ANACR_XTLRDY));
PMU->CR1 |= RTC_CLOCK_XTL;
}break;
default: break;
}
if (hrtc->u32_CompensationValue)
{
RTC->ADJUST = hrtc->u32_Compensation | hrtc->u32_CompensationValue;
}
return HAL_OK;
}
/*********************************************************************************
* Function : HAL_RTC_SetTime
* Description : Set RTC current time.
* Input : fp_Time Pointer to Time structure.
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_SetTime(RTC_TimeTypeDef *fp_Time)
{
#if (USE_FULL_ASSERT == 1)
/* Check RTC Parameter */
if (!IS_RTC_HOUR(fp_Time->u8_Hours)) return;
if (!IS_RTC_MIN(fp_Time->u8_Minutes)) return;
if (!IS_RTC_SEC(fp_Time->u8_Seconds)) return;
#endif
/* Write-Protect Disable */
RTC->WP = 0xCA53CA53;
RTC->HOUR = fp_Time->u8_Hours;
RTC->MIN = fp_Time->u8_Minutes;
RTC->SEC = fp_Time->u8_Seconds;
/* Write-Protect Enable */
RTC->WP = 0;
}
/*********************************************************************************
* Function : HAL_RTC_GetTime
* Description : Get RTC current time.
* Input : fp_Time Pointer to Time structure.
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_GetTime(RTC_TimeTypeDef *fp_Time)
{
fp_Time->u8_Hours = RTC->HOUR;
fp_Time->u8_Minutes = RTC->MIN;
fp_Time->u8_Seconds = RTC->SEC;
}
/*********************************************************************************
* Function : HAL_RTC_SetDate
* Description : Set RTC current Date.
* Input : fp_Date Pointer to Date structure.
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_SetDate(RTC_DateTypeDef *fp_Date)
{
#if (USE_FULL_ASSERT == 1)
/* Check RTC Parameter */
if (!IS_RTC_YEAR(fp_Date->u8_Year)) return;
if (!IS_RTC_MONTH(fp_Date->u8_Month)) return;
if (!IS_RTC_DAY(fp_Date->u8_Date)) return;
if (!IS_RTC_WEEKDAY(fp_Date->u8_WeekDay)) return;
#endif
/* Write-Protect Disable */
RTC->WP = 0xCA53CA53;
RTC->YEAR = fp_Date->u8_Year;
RTC->MONTH = fp_Date->u8_Month;
RTC->DATE = fp_Date->u8_Date;
RTC->WEEK = fp_Date->u8_WeekDay;
/* Write-Protect Enable */
RTC->WP = 0;
}
/*********************************************************************************
* Function : HAL_RTC_GetDate
* Description : Get RTC current Date.
* Input : fp_Date Pointer to Date structure.
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_GetDate(RTC_DateTypeDef *fp_Date)
{
fp_Date->u8_Year = RTC->YEAR;
fp_Date->u8_Month = RTC->MONTH;
fp_Date->u8_Date = RTC->DATE;
fp_Date->u8_WeekDay = RTC->WEEK;
}
/*********************************************************************************
* Function : HAL_RTC_AlarmConfig
* Description : Alarm Config
* Input : fp_Alarm Pointer to ALarm structure.
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_AlarmConfig(RTC_AlarmTypeDef *fp_Alarm)
{
uint32_t lu32_WeekDay;
#if (USE_FULL_ASSERT == 1)
/* Check RTC Parameter */
if (!IS_RTC_ALARM_MODE(fp_Alarm->u32_AlarmMode)) return;
if (!IS_RTC_ALARM_INT(fp_Alarm->u32_AlarmInterrupt)) return;
if (!IS_RTC_ALARM_DAY_MASK(fp_Alarm->u32_DayMask)) return;
if (!IS_RTC_ALARM_HOUR_MASK(fp_Alarm->u32_HourMask)) return;
if (!IS_RTC_ALARM_MIN_MASK(fp_Alarm->u32_MinMask)) return;
if (fp_Alarm->u32_AlarmMode == RTC_ALARM_WEEK_MODE)
{
if (!IS_RTC_ALARM_WEEKDAY(fp_Alarm->u32_AlarmWeek)) return;
}
else
{
if (!IS_RTC_DAY(fp_Alarm->u32_AlarmDay)) return;
}
if (!IS_RTC_HOUR(fp_Alarm->u32_Hours)) return;
if (!IS_RTC_MIN(fp_Alarm->u32_Minutes)) return;
if (!IS_RTC_SEC(fp_Alarm->u32_Seconds)) return;
#endif
if (fp_Alarm->u32_AlarmMode == RTC_ALARM_WEEK_MODE)
{
lu32_WeekDay = fp_Alarm->u32_AlarmWeek;
}
else
{
lu32_WeekDay = fp_Alarm->u32_AlarmDay;
}
/* Coinfig Week/Day¡¢Hour¡¢Min¡¢Sec */
RTC->ALM = fp_Alarm->u32_AlarmMode | lu32_WeekDay | fp_Alarm->u32_Hours << 16 | fp_Alarm->u32_Minutes << 8 | fp_Alarm->u32_Seconds;
/* Interrupt Enable */
if (RTC_ALARM_INT_ENABLE == fp_Alarm->u32_AlarmInterrupt)
{
RTC->IE |= RTC_IE_ALM;
}
RTC->CR |= (fp_Alarm->u32_DayMask) ? RTC_ALARM_DAY_MASK_ENABLE : RTC_ALARM_DAY_MASK_DISABLE;
RTC->CR |= (fp_Alarm->u32_HourMask) ? RTC_ALARM_HOUR_MASK_ENABLE : RTC_ALARM_HOUR_MASK_DISABLE;
RTC->CR |= (fp_Alarm->u32_MinMask) ? RTC_ALARM_MIN_MASK_ENABLE : RTC_ALARM_MIN_MASK_DISABLE;
}
/*********************************************************************************
* Function : HAL_RTC_AlarmEnable
* Description : Alarm Enable
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_AlarmEnable(void)
{
RTC->CR |= RTC_CR_ALM_EN;
}
/*********************************************************************************
* Function : HAL_RTC_AlarmDisable
* Description : Alarm Disable
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_AlarmDisable(void)
{
RTC->CR &= ~RTC_CR_ALM_EN;
}
/*********************************************************************************
* Function : HAL_RTC_Tamper
* Description : Temper1 use PC13¡¢Temper2 use PA0
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_Tamper(enum_Temper_t fe_Temper, RTC_TemperTypeDef *fp_Temper)
{
#if (USE_FULL_ASSERT == 1)
/* Check RTC Parameter */
if (!IS_RTC_TEMP_EDGE(fp_Temper->u32_TemperEdge)) return;
if (!IS_RTC_TEMP_INT(fp_Temper->u32_InterruptEN)) return;
if (!IS_RTC_TEMP_CLEAR_BACKUP(fp_Temper->u32_ClearBackup)) return;
if (!IS_RTC_TEMP_FILTER(fp_Temper->u32_Filter)) return;
#endif
switch (fe_Temper)
{
case RTC_TEMPER_1:
{
PMU->IOCR &= ~0x40; // Configure PC13 as digital IO
PMU->IOSEL |= 0x02; // Configure PC13 as tamper function
/* Clear Config */
RTC->CR &= ~(RTC_CR_TAMP1RCLR | RTC_CR_TAMP1FCLR | RTC_CR_TAMP1FLTEN | RTC_CR_TAMP1FLT | RTC_CR_TS1EDGE | RTC_CR_TAMPFLTCLK);
/* Edge select */
RTC->CR |= fp_Temper->u32_TemperEdge ? RTC_CR_TS1EDGE : 0x00;
/* Auto clear backup register */
if (fp_Temper->u32_ClearBackup)
{
RTC->CR |= fp_Temper->u32_TemperEdge ? RTC_CR_TAMP1FCLR : RTC_CR_TAMP1RCLR;
}
/* Temper filter */
if (fp_Temper->u32_Filter)
{
if (fp_Temper->u32_Filter == RTC_TEMP_FILTER_512_RTCCLK)
{
RTC->CR |= RTC_CR_TAMPFLTCLK;
}
else
{
RTC->CR |= (fp_Temper->u32_Filter - 2) << 13;
}
}
RTC->CR |= RTC_CR_TAMP1EN;
System_Delay(2000);
RTC->SR |= (RTC_SR_STP1FIE|RTC_SR_STP1RIE);
RTC->IE &= (~(RTC_IE_STP1FIE|RTC_IE_STP1RIE));
/* Put Temper Interrupt enable here !!!*/
if (fp_Temper->u32_InterruptEN)
{
RTC->IE |= fp_Temper->u32_TemperEdge ? RTC_IE_STP1FIE : RTC_IE_STP1RIE;
}
}break;
case RTC_TEMPER_2:
{
/* Clear Config */
RTC->CR &= ~(RTC_CR_TAMP2RCLR | RTC_CR_TAMP2FCLR | RTC_CR_TAMP2FLTEN | RTC_CR_TAMP2FLT | RTC_CR_TS2EDGE | RTC_CR_TAMPFLTCLK);
/* Edge select */
RTC->CR |= fp_Temper->u32_TemperEdge ? RTC_CR_TS2EDGE : 0x00;
/* Auto clear backup register */
if (fp_Temper->u32_ClearBackup)
{
RTC->CR |= fp_Temper->u32_TemperEdge ? RTC_CR_TAMP2FCLR : RTC_CR_TAMP2RCLR;
}
/* Temper filter */
if (fp_Temper->u32_Filter)
{
if (fp_Temper->u32_Filter == RTC_TEMP_FILTER_512_RTCCLK)
{
RTC->CR |= RTC_CR_TAMPFLTCLK;
}
else
{
RTC->CR |= (fp_Temper->u32_Filter - 2) << 19;
}
}
RTC->CR |= RTC_CR_TAMP2EN;
System_Delay(2000);
RTC->SR |= (RTC_SR_STP2FIE|RTC_SR_STP2RIE);
RTC->IE &= (~(RTC_IE_STP2FIE|RTC_IE_STP2RIE));
/* Temper Interrupt */
if (fp_Temper->u32_InterruptEN)
{
RTC->IE |= fp_Temper->u32_TemperEdge ? RTC_IE_STP2FIE : RTC_IE_STP2RIE;
}
}break;
default: break;
}
}
/*********************************************************************************
* Function : HAL_RTC_TamperEnable
* Description :
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_TamperEnable(enum_Temper_t fe_Temper)
{
if (fe_Temper == RTC_TEMPER_1)
{
RTC->CR |= RTC_CR_TAMP1EN;
}
else
{
RTC->CR |= RTC_CR_TAMP2EN;
}
}
/*********************************************************************************
* Function : HAL_RTC_TamperDisable
* Description :
* Input :
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
**********************************************************************************/
void HAL_RTC_TamperDisable(enum_Temper_t fe_Temper)
{
if (fe_Temper == RTC_TEMPER_1)
{
RTC->CR &= ~RTC_CR_TAMP1EN;
}
else
{
RTC->CR &= ~RTC_CR_TAMP2EN;
}
}
/***************************************************************************************************
* Function : HAL_RTC_Standby_Wakeup
* Description : wakeup source select
* Input : fu32_Edge 0: Rising edge
* 1: Falling edge
* fe_Wakeup : wakeup source select, STANDBY_WAKEUP_RISING, STANDBY_WAKEUP_FALLING
* Outpu :
* Author : Chris_Kyle Data : 2020Äê
*******************************************************************************************************/
void HAL_RTC_Standby_Wakeup(enum_WKUP_t fe_Wakeup, uint32_t fu32_Edge)
{
switch (fe_Wakeup)
{
case RTC_WAKEUP_WKUP1:
case RTC_WAKEUP_WKUP2:
case RTC_WAKEUP_WKUP3:
case RTC_WAKEUP_WKUP4:
case RTC_WAKEUP_WKUP5:
case RTC_WAKEUP_WKUP6:
{
/* Clear flags¡¢Standby Enable */
PMU->CR1 |= RPMU_CR_STB_EN | RPMU_CR_CWUF | RPMU_CR_CSBF;
/* Wakeup IO Filter Enable */
PMU->CR1 |= fe_Wakeup << 8;
/* Wakeup IO Enable */
PMU->CR1 |= fe_Wakeup;
if (fe_Wakeup == RTC_WAKEUP_WKUP2)
{
/* PC13 */
PMU->IOCR &= ~0x40; // must configure PC13 as digital function
}
if (fu32_Edge)
{
PMU->CR2 |= fe_Wakeup >> 16;
}
else
{
PMU->CR2 &= ~(fe_Wakeup >> 16);
}
PMU->CR1 |= RPMU_CR_CWUF; // clear wakeup flag
System_Enter_Standby_Mode();
}break;
case RTC_WAKEUP_STAMP2:
case RTC_WAKEUP_STAMP1:
case RTC_WAKEUP_32S:
case RTC_WAKEUP_SEC:
case RTC_WAKEUP_MIN:
case RTC_WAKEUP_HOUR:
case RTC_WAKEUP_DATE:
{
/* Clear flags¡¢Standby Enable */
PMU->CR1 |= RPMU_CR_STB_EN | RPMU_CR_CWUF | RPMU_CR_CSBF;
RTC->SR |= fe_Wakeup;
RTC->IE |= fe_Wakeup;
System_Enter_Standby_Mode();
}break;
default: break;
}
}
/*********************************************************************************
* Function : HAL_RTC_GetStandbyStatus
* Description : Check MCU have entered standby mode
* Input :
* Outpu : 0: Not Enter Standby Mode
1: Entered Standby Mode
* Author : Chris_Kyle Data : 2020
**********************************************************************************/
bool HAL_RTC_Get_StandbyStatus(void)
{
if (PMU->SR & RPMU_SR_SBF)
{
return true;
}
else
{
return false;
}
}
/*********************************************************************************
* Function : HAL_RTC_Get_StandbyWakeupSource
* Description : Get MCU Standby Wakeup Source
* Input :
* Outpu : RTC_WAKEUP_SOURCE_BORWUF
RTC_WAKEUP_SOURCE_IWDTWUF
RTC_WAKEUP_SOURCE_RSTWUF
RTC_WAKEUP_SOURCE_RTCWUF
RTC_WAKEUP_SOURCE_WKUP6
RTC_WAKEUP_SOURCE_WKUP5
RTC_WAKEUP_SOURCE_WKUP4
RTC_WAKEUP_SOURCE_WKUP3
RTC_WAKEUP_SOURCE_WKUP2
RTC_WAKEUP_SOURCE_WKUP1
* Author : Chris_Kyle Data : 2020
**********************************************************************************/
uint32_t HAL_RTC_Get_StandbyWakeupSource(void)
{
return PMU->SR;
}
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