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/**************************************************************************//**
* @file rtc.c
* @version V3.00
* @brief Real Time Clock(RTC) driver source file
*
* @copyright SPDX-License-Identifier: Apache-2.0
* @copyright Copyright (C) 2021 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @cond HIDDEN_SYMBOLS */
/*---------------------------------------------------------------------------------------------------------*/
/* Global file scope (static) variables */
/*---------------------------------------------------------------------------------------------------------*/
static volatile uint32_t g_u32hiYear, g_u32loYear, g_u32hiMonth, g_u32loMonth, g_u32hiDay, g_u32loDay;
static volatile uint32_t g_u32hiHour, g_u32loHour, g_u32hiMin, g_u32loMin, g_u32hiSec, g_u32loSec;
/** @endcond HIDDEN_SYMBOLS */
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup RTC_Driver RTC Driver
@{
*/
int32_t g_RTC_i32ErrCode = 0; /*!< RTC global error code */
/** @addtogroup RTC_EXPORTED_FUNCTIONS RTC Exported Functions
@{
*/
/**
* @brief Initialize RTC module and start counting
*
* @param[in] sPt Specify the time property and current date and time. It includes: \n
* u32Year: Year value, range between 2000 ~ 2099. \n
* u32Month: Month value, range between 1 ~ 12. \n
* u32Day: Day value, range between 1 ~ 31. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value, range between 0 ~ 23. \n
* u32Minute: Minute value, range between 0 ~ 59. \n
* u32Second: Second value, range between 0 ~ 59. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @retval 0: SUCCESS
* @retval -1: Initialize RTC module fail
*
* @details This function is used to: \n
* 1. Write initial key to let RTC start count. \n
* 2. Input parameter indicates start date/time. \n
* 3. User has to make sure that parameters of RTC date/time are reasonable. \n
* 4. Enable frequency dynamic compensation function. \n
* @note Null pointer for using default starting date/time.
*/
int32_t RTC_Open(S_RTC_TIME_DATA_T *sPt)
{
uint32_t u32TimeOutCount = SystemCoreClock; /* 1 second time-out */
RTC->INIT = RTC_INIT_KEY;
if(RTC->INIT != RTC_INIT_ACTIVE_Msk)
{
RTC->INIT = RTC_INIT_KEY;
while(RTC->INIT != RTC_INIT_ACTIVE_Msk)
{
if(--u32TimeOutCount == 0) return -1;
}
}
if(sPt != 0)
{
/* Enable frequency dynamic compensation function */
RTC->CLKFMT |= RTC_CLKFMT_DCOMPEN_Msk;
/* Set RTC date and time */
RTC_SetDateAndTime(sPt);
}
return 0;
}
/**
* @brief Disable RTC Clock
*
* @param None
*
* @return None
*
* @details This API will disable RTC peripheral clock.
*/
void RTC_Close(void)
{
CLK->APBCLK0 &= ~CLK_APBCLK0_RTCCKEN_Msk;
}
/**
* @brief Set 32K Frequency Compensation Data
*
* @param[in] i32FrequencyX10000 Specify the RTC clock X10000, ex: 327736512 means 32773.6512.
*
* @return None
*
* @details This API is used to compensate the 32 kHz frequency by current LXT frequency for RTC application.
*
* @note This function sets g_RTC_i32ErrCode to RTC_TIMEOUT_ERR if waiting RTC time-out.
*/
void RTC_32KCalibration(int32_t i32FrequencyX10000)
{
int32_t i32RegInt, i32RegFra;
uint32_t u32TimeOutCount = SystemCoreClock<<1; /* 2 second time-out */
g_RTC_i32ErrCode = 0;
/* Compute integer and fraction for RTC FCR register */
i32RegInt = (i32FrequencyX10000 / 10000) - RTC_FCR_REFERENCE;
i32RegFra = ((((i32FrequencyX10000 % 10000)) * 64) + 5000) / 10000;
if(i32RegFra >= 0x40)
{
i32RegFra = 0x0;
i32RegInt++;
}
/* Judge Integer part is reasonable */
if((i32RegInt >= 0) && (i32RegInt <= 31))
{
u32TimeOutCount = SystemCoreClock<<1; /* 2 second time-out */
while((RTC->FREQADJ & RTC_FREQADJ_FCRBUSY_Msk) == RTC_FREQADJ_FCRBUSY_Msk)
if(--u32TimeOutCount == 0)
{
g_RTC_i32ErrCode = RTC_TIMEOUT_ERR;
break;
}
RTC->FREQADJ = (uint32_t)((i32RegInt << 8) | i32RegFra);
u32TimeOutCount = SystemCoreClock<<1; /* 2 second time-out */
while((RTC->FREQADJ & RTC_FREQADJ_FCRBUSY_Msk) == RTC_FREQADJ_FCRBUSY_Msk)
if(--u32TimeOutCount == 0)
{
g_RTC_i32ErrCode = RTC_TIMEOUT_ERR;
break;
}
}
}
/**
* @brief Get Current RTC Date and Time
*
* @param[out] sPt The returned pointer is specified the current RTC value. It includes: \n
* u32Year: Year value \n
* u32Month: Month value \n
* u32Day: Day value \n
* u32DayOfWeek: Day of week \n
* u32Hour: Hour value \n
* u32Minute: Minute value \n
* u32Second: Second value \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This API is used to get the current RTC date and time value.
*/
void RTC_GetDateAndTime(S_RTC_TIME_DATA_T *sPt)
{
uint32_t u32Tmp;
sPt->u32TimeScale = RTC->CLKFMT & RTC_CLKFMT_24HEN_Msk; /* 12/24-hour */
sPt->u32DayOfWeek = RTC->WEEKDAY & RTC_WEEKDAY_WEEKDAY_Msk; /* Day of the week */
/* Get [Date digit] data */
g_u32hiYear = (RTC->CAL & RTC_CAL_TENYEAR_Msk) >> RTC_CAL_TENYEAR_Pos;
g_u32loYear = (RTC->CAL & RTC_CAL_YEAR_Msk) >> RTC_CAL_YEAR_Pos;
g_u32hiMonth = (RTC->CAL & RTC_CAL_TENMON_Msk) >> RTC_CAL_TENMON_Pos;
g_u32loMonth = (RTC->CAL & RTC_CAL_MON_Msk) >> RTC_CAL_MON_Pos;
g_u32hiDay = (RTC->CAL & RTC_CAL_TENDAY_Msk) >> RTC_CAL_TENDAY_Pos;
g_u32loDay = (RTC->CAL & RTC_CAL_DAY_Msk) >> RTC_CAL_DAY_Pos;
/* Get [Time digit] data */
g_u32hiHour = (RTC->TIME & RTC_TIME_TENHR_Msk) >> RTC_TIME_TENHR_Pos;
g_u32loHour = (RTC->TIME & RTC_TIME_HR_Msk) >> RTC_TIME_HR_Pos;
g_u32hiMin = (RTC->TIME & RTC_TIME_TENMIN_Msk) >> RTC_TIME_TENMIN_Pos;
g_u32loMin = (RTC->TIME & RTC_TIME_MIN_Msk) >> RTC_TIME_MIN_Pos;
g_u32hiSec = (RTC->TIME & RTC_TIME_TENSEC_Msk) >> RTC_TIME_TENSEC_Pos;
g_u32loSec = (RTC->TIME & RTC_TIME_SEC_Msk) >> RTC_TIME_SEC_Pos;
/* Compute to 20XX year */
u32Tmp = (g_u32hiYear * 10UL);
u32Tmp += g_u32loYear;
sPt->u32Year = u32Tmp + (uint32_t)RTC_YEAR2000;
/* Compute 0~12 month */
u32Tmp = (g_u32hiMonth * 10UL);
sPt->u32Month = u32Tmp + g_u32loMonth;
/* Compute 0~31 day */
u32Tmp = (g_u32hiDay * 10UL);
sPt->u32Day = u32Tmp + g_u32loDay;
/* Compute 12/24 hour */
if(sPt->u32TimeScale == (uint32_t)RTC_CLOCK_12)
{
u32Tmp = (g_u32hiHour * 10UL);
u32Tmp += g_u32loHour;
sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */
if(sPt->u32Hour >= 21UL)
{
sPt->u32AmPm = (uint32_t)RTC_PM;
sPt->u32Hour -= 20UL;
}
else
{
sPt->u32AmPm = (uint32_t)RTC_AM;
}
u32Tmp = (g_u32hiMin * 10UL);
u32Tmp += g_u32loMin;
sPt->u32Minute = u32Tmp;
u32Tmp = (g_u32hiSec * 10UL);
u32Tmp += g_u32loSec;
sPt->u32Second = u32Tmp;
}
else
{
u32Tmp = (g_u32hiHour * 10UL);
u32Tmp += g_u32loHour;
sPt->u32Hour = u32Tmp;
u32Tmp = (g_u32hiMin * 10UL);
u32Tmp += g_u32loMin;
sPt->u32Minute = u32Tmp;
u32Tmp = (g_u32hiSec * 10UL);
u32Tmp += g_u32loSec;
sPt->u32Second = u32Tmp;
}
}
/**
* @brief Get RTC Alarm Date and Time
*
* @param[out] sPt The returned pointer is specified the RTC alarm value. It includes: \n
* u32Year: Year value \n
* u32Month: Month value \n
* u32Day: Day value \n
* u32DayOfWeek: Day of week \n
* u32Hour: Hour value \n
* u32Minute: Minute value \n
* u32Second: Second value \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This API is used to get the RTC alarm date and time setting.
*/
void RTC_GetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt)
{
uint32_t u32Tmp;
sPt->u32TimeScale = RTC->CLKFMT & RTC_CLKFMT_24HEN_Msk; /* 12/24-hour */
sPt->u32DayOfWeek = RTC->WEEKDAY & RTC_WEEKDAY_WEEKDAY_Msk; /* Day of the week */
/* Get alarm [Date digit] data */
g_u32hiYear = (RTC->CALM & RTC_CALM_TENYEAR_Msk) >> RTC_CALM_TENYEAR_Pos;
g_u32loYear = (RTC->CALM & RTC_CALM_YEAR_Msk) >> RTC_CALM_YEAR_Pos;
g_u32hiMonth = (RTC->CALM & RTC_CALM_TENMON_Msk) >> RTC_CALM_TENMON_Pos;
g_u32loMonth = (RTC->CALM & RTC_CALM_MON_Msk) >> RTC_CALM_MON_Pos;
g_u32hiDay = (RTC->CALM & RTC_CALM_TENDAY_Msk) >> RTC_CALM_TENDAY_Pos;
g_u32loDay = (RTC->CALM & RTC_CALM_DAY_Msk) >> RTC_CALM_DAY_Pos;
/* Get alarm [Time digit] data */
g_u32hiHour = (RTC->TALM & RTC_TALM_TENHR_Msk) >> RTC_TALM_TENHR_Pos;
g_u32loHour = (RTC->TALM & RTC_TALM_HR_Msk) >> RTC_TALM_HR_Pos;
g_u32hiMin = (RTC->TALM & RTC_TALM_TENMIN_Msk) >> RTC_TALM_TENMIN_Pos;
g_u32loMin = (RTC->TALM & RTC_TALM_MIN_Msk) >> RTC_TALM_MIN_Pos;
g_u32hiSec = (RTC->TALM & RTC_TALM_TENSEC_Msk) >> RTC_TALM_TENSEC_Pos;
g_u32loSec = (RTC->TALM & RTC_TALM_SEC_Msk) >> RTC_TALM_SEC_Pos;
/* Compute to 20XX year */
u32Tmp = (g_u32hiYear * 10UL);
u32Tmp += g_u32loYear;
sPt->u32Year = u32Tmp + (uint32_t)RTC_YEAR2000;
/* Compute 0~12 month */
u32Tmp = (g_u32hiMonth * 10UL);
sPt->u32Month = u32Tmp + g_u32loMonth;
/* Compute 0~31 day */
u32Tmp = (g_u32hiDay * 10UL);
sPt->u32Day = u32Tmp + g_u32loDay;
/* Compute 12/24 hour */
if(sPt->u32TimeScale == (uint32_t)RTC_CLOCK_12)
{
u32Tmp = (g_u32hiHour * 10UL);
u32Tmp += g_u32loHour;
sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */
if(sPt->u32Hour >= 21UL)
{
sPt->u32AmPm = (uint32_t)RTC_PM;
sPt->u32Hour -= 20UL;
}
else
{
sPt->u32AmPm = (uint32_t)RTC_AM;
}
u32Tmp = (g_u32hiMin * 10UL);
u32Tmp += g_u32loMin;
sPt->u32Minute = u32Tmp;
u32Tmp = (g_u32hiSec * 10UL);
u32Tmp += g_u32loSec;
sPt->u32Second = u32Tmp;
}
else
{
u32Tmp = (g_u32hiHour * 10UL);
u32Tmp += g_u32loHour;
sPt->u32Hour = u32Tmp;
u32Tmp = (g_u32hiMin * 10UL);
u32Tmp += g_u32loMin;
sPt->u32Minute = u32Tmp;
u32Tmp = (g_u32hiSec * 10UL);
u32Tmp += g_u32loSec;
sPt->u32Second = u32Tmp;
}
}
/**
* @brief Update Current RTC Date and Time
*
* @param[in] sPt Specify the time property and current date and time. It includes: \n
* u32Year: Year value, range between 2000 ~ 2099. \n
* u32Month: Month value, range between 1 ~ 12. \n
* u32Day: Day value, range between 1 ~ 31. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value, range between 0 ~ 23. \n
* u32Minute: Minute value, range between 0 ~ 59. \n
* u32Second: Second value, range between 0 ~ 59. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This API is used to update current date and time to RTC.
*/
void RTC_SetDateAndTime(S_RTC_TIME_DATA_T *sPt)
{
uint32_t u32RegCAL, u32RegTIME;
if(sPt != 0)
{
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC 24/12 hour setting and Day of the Week */
/*-----------------------------------------------------------------------------------------------------*/
if(sPt->u32TimeScale == (uint32_t)RTC_CLOCK_12)
{
RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
/*-------------------------------------------------------------------------------------------------*/
/* Important, range of 12-hour PM mode is 21 up to 32 */
/*-------------------------------------------------------------------------------------------------*/
if(sPt->u32AmPm == (uint32_t)RTC_PM)
{
sPt->u32Hour += 20UL;
}
}
else
{
RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
}
/* Set Day of the Week */
RTC->WEEKDAY = sPt->u32DayOfWeek;
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC Current Date and Time */
/*-----------------------------------------------------------------------------------------------------*/
u32RegCAL = ((sPt->u32Year - (uint32_t)RTC_YEAR2000) / 10UL) << 20;
u32RegCAL |= (((sPt->u32Year - (uint32_t)RTC_YEAR2000) % 10UL) << 16);
u32RegCAL |= ((sPt->u32Month / 10UL) << 12);
u32RegCAL |= ((sPt->u32Month % 10UL) << 8);
u32RegCAL |= ((sPt->u32Day / 10UL) << 4);
u32RegCAL |= (sPt->u32Day % 10UL);
u32RegTIME = ((sPt->u32Hour / 10UL) << 20);
u32RegTIME |= ((sPt->u32Hour % 10UL) << 16);
u32RegTIME |= ((sPt->u32Minute / 10UL) << 12);
u32RegTIME |= ((sPt->u32Minute % 10UL) << 8);
u32RegTIME |= ((sPt->u32Second / 10UL) << 4);
u32RegTIME |= (sPt->u32Second % 10UL);
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC Calender and Time Loading */
/*-----------------------------------------------------------------------------------------------------*/
RTC->CAL = (uint32_t)u32RegCAL;
RTC->TIME = (uint32_t)u32RegTIME;
}
}
/**
* @brief Update RTC Alarm Date and Time
*
* @param[in] sPt Specify the time property and alarm date and time. It includes: \n
* u32Year: Year value, range between 2000 ~ 2099. \n
* u32Month: Month value, range between 1 ~ 12. \n
* u32Day: Day value, range between 1 ~ 31. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value, range between 0 ~ 23. \n
* u32Minute: Minute value, range between 0 ~ 59. \n
* u32Second: Second value, range between 0 ~ 59. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This API is used to update alarm date and time setting to RTC.
*/
void RTC_SetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt)
{
uint32_t u32RegCALM, u32RegTALM;
if(sPt != 0)
{
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC 24/12 hour setting and Day of the Week */
/*-----------------------------------------------------------------------------------------------------*/
if(sPt->u32TimeScale == (uint32_t)RTC_CLOCK_12)
{
RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
/*-------------------------------------------------------------------------------------------------*/
/* Important, range of 12-hour PM mode is 21 up to 32 */
/*-------------------------------------------------------------------------------------------------*/
if(sPt->u32AmPm == (uint32_t)RTC_PM)
{
sPt->u32Hour += 20UL;
}
}
else
{
RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
}
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC Alarm Date and Time */
/*-----------------------------------------------------------------------------------------------------*/
u32RegCALM = ((sPt->u32Year - (uint32_t)RTC_YEAR2000) / 10UL) << 20;
u32RegCALM |= (((sPt->u32Year - (uint32_t)RTC_YEAR2000) % 10UL) << 16);
u32RegCALM |= ((sPt->u32Month / 10UL) << 12);
u32RegCALM |= ((sPt->u32Month % 10UL) << 8);
u32RegCALM |= ((sPt->u32Day / 10UL) << 4);
u32RegCALM |= (sPt->u32Day % 10UL);
u32RegTALM = ((sPt->u32Hour / 10UL) << 20);
u32RegTALM |= ((sPt->u32Hour % 10UL) << 16);
u32RegTALM |= ((sPt->u32Minute / 10UL) << 12);
u32RegTALM |= ((sPt->u32Minute % 10UL) << 8);
u32RegTALM |= ((sPt->u32Second / 10UL) << 4);
u32RegTALM |= (sPt->u32Second % 10UL);
RTC->CALM = (uint32_t)u32RegCALM;
RTC->TALM = (uint32_t)u32RegTALM;
}
}
/**
* @brief Update RTC Current Date
*
* @param[in] u32Year The year calendar digit of current RTC setting.
* @param[in] u32Month The month calendar digit of current RTC setting.
* @param[in] u32Day The day calendar digit of current RTC setting.
* @param[in] u32DayOfWeek The Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY]
*
* @return None
*
* @details This API is used to update current date to RTC.
*/
void RTC_SetDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day, uint32_t u32DayOfWeek)
{
uint32_t u32RegCAL;
u32RegCAL = ((u32Year - (uint32_t)RTC_YEAR2000) / 10UL) << 20;
u32RegCAL |= (((u32Year - (uint32_t)RTC_YEAR2000) % 10UL) << 16);
u32RegCAL |= ((u32Month / 10UL) << 12);
u32RegCAL |= ((u32Month % 10UL) << 8);
u32RegCAL |= ((u32Day / 10UL) << 4);
u32RegCAL |= (u32Day % 10UL);
/* Set Day of the Week */
RTC->WEEKDAY = u32DayOfWeek & RTC_WEEKDAY_WEEKDAY_Msk;
/* Set RTC Calender Loading */
RTC->CAL = (uint32_t)u32RegCAL;
}
/**
* @brief Update RTC Current Time
*
* @param[in] u32Hour The hour time digit of current RTC setting.
* @param[in] u32Minute The minute time digit of current RTC setting.
* @param[in] u32Second The second time digit of current RTC setting.
* @param[in] u32TimeMode The 24-Hour / 12-Hour Time Scale Selection. [RTC_CLOCK_12 / RTC_CLOCK_24]
* @param[in] u32AmPm 12-hour time scale with AM and PM indication. Only Time Scale select 12-hour used. [RTC_AM / RTC_PM]
*
* @return None
*
* @details This API is used to update current time to RTC.
*/
void RTC_SetTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm)
{
uint32_t u32RegTIME;
/* Important, range of 12-hour PM mode is 21 up to 32 */
if((u32TimeMode == (uint32_t)RTC_CLOCK_12) && (u32AmPm == (uint32_t)RTC_PM))
{
u32Hour += 20UL;
}
u32RegTIME = ((u32Hour / 10UL) << 20);
u32RegTIME |= ((u32Hour % 10UL) << 16);
u32RegTIME |= ((u32Minute / 10UL) << 12);
u32RegTIME |= ((u32Minute % 10UL) << 8);
u32RegTIME |= ((u32Second / 10UL) << 4);
u32RegTIME |= (u32Second % 10UL);
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC 24/12 hour setting and Day of the Week */
/*-----------------------------------------------------------------------------------------------------*/
if(u32TimeMode == (uint32_t)RTC_CLOCK_12)
{
RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
}
else
{
RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
}
RTC->TIME = (uint32_t)u32RegTIME;
}
/**
* @brief Update RTC Alarm Date
*
* @param[in] u32Year The year calendar digit of RTC alarm setting.
* @param[in] u32Month The month calendar digit of RTC alarm setting.
* @param[in] u32Day The day calendar digit of RTC alarm setting.
*
* @return None
*
* @details This API is used to update alarm date setting to RTC.
*/
void RTC_SetAlarmDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day)
{
uint32_t u32RegCALM;
u32RegCALM = ((u32Year - (uint32_t)RTC_YEAR2000) / 10UL) << 20;
u32RegCALM |= (((u32Year - (uint32_t)RTC_YEAR2000) % 10UL) << 16);
u32RegCALM |= ((u32Month / 10UL) << 12);
u32RegCALM |= ((u32Month % 10UL) << 8);
u32RegCALM |= ((u32Day / 10UL) << 4);
u32RegCALM |= (u32Day % 10UL);
/* Set RTC Alarm Date */
RTC->CALM = (uint32_t)u32RegCALM;
}
/**
* @brief Update RTC Alarm Time
*
* @param[in] u32Hour The hour time digit of RTC alarm setting.
* @param[in] u32Minute The minute time digit of RTC alarm setting.
* @param[in] u32Second The second time digit of RTC alarm setting.
* @param[in] u32TimeMode The 24-Hour / 12-Hour Time Scale Selection. [RTC_CLOCK_12 / RTC_CLOCK_24]
* @param[in] u32AmPm 12-hour time scale with AM and PM indication. Only Time Scale select 12-hour used. [RTC_AM / RTC_PM]
*
* @return None
*
* @details This API is used to update alarm time setting to RTC.
*/
void RTC_SetAlarmTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm)
{
uint32_t u32RegTALM;
/* Important, range of 12-hour PM mode is 21 up to 32 */
if((u32TimeMode == (uint32_t)RTC_CLOCK_12) && (u32AmPm == (uint32_t)RTC_PM))
{
u32Hour += 20UL;
}
u32RegTALM = ((u32Hour / 10UL) << 20);
u32RegTALM |= ((u32Hour % 10UL) << 16);
u32RegTALM |= ((u32Minute / 10UL) << 12);
u32RegTALM |= ((u32Minute % 10UL) << 8);
u32RegTALM |= ((u32Second / 10UL) << 4);
u32RegTALM |= (u32Second % 10UL);
/*-----------------------------------------------------------------------------------------------------*/
/* Set RTC 24/12 hour setting and Day of the Week */
/*-----------------------------------------------------------------------------------------------------*/
if(u32TimeMode == (uint32_t)RTC_CLOCK_12)
{
RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
}
else
{
RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
}
/* Set RTC Alarm Time */
RTC->TALM = (uint32_t)u32RegTALM;
}
/**
* @brief Set RTC Alarm Date Mask Function
*
* @param[in] u8IsTenYMsk 1: enable 10-Year digit alarm mask; 0: disabled.
* @param[in] u8IsYMsk 1: enable 1-Year digit alarm mask; 0: disabled.
* @param[in] u8IsTenMMsk 1: enable 10-Mon digit alarm mask; 0: disabled.
* @param[in] u8IsMMsk 1: enable 1-Mon digit alarm mask; 0: disabled.
* @param[in] u8IsTenDMsk 1: enable 10-Day digit alarm mask; 0: disabled.
* @param[in] u8IsDMsk 1: enable 1-Day digit alarm mask; 0: disabled.
*
* @return None
*
* @details This API is used to enable or disable RTC alarm date mask function.
*/
void RTC_SetAlarmDateMask(uint8_t u8IsTenYMsk, uint8_t u8IsYMsk, uint8_t u8IsTenMMsk, uint8_t u8IsMMsk, uint8_t u8IsTenDMsk, uint8_t u8IsDMsk)
{
RTC->CAMSK = ((uint32_t)u8IsTenYMsk << RTC_CAMSK_MTENYEAR_Pos) |
((uint32_t)u8IsYMsk << RTC_CAMSK_MYEAR_Pos) |
((uint32_t)u8IsTenMMsk << RTC_CAMSK_MTENMON_Pos) |
((uint32_t)u8IsMMsk << RTC_CAMSK_MMON_Pos) |
((uint32_t)u8IsTenDMsk << RTC_CAMSK_MTENDAY_Pos) |
((uint32_t)u8IsDMsk << RTC_CAMSK_MDAY_Pos);
}
/**
* @brief Set RTC Alarm Time Mask Function
*
* @param[in] u8IsTenHMsk 1: enable 10-Hour digit alarm mask; 0: disabled.
* @param[in] u8IsHMsk 1: enable 1-Hour digit alarm mask; 0: disabled.
* @param[in] u8IsTenMMsk 1: enable 10-Min digit alarm mask; 0: disabled.
* @param[in] u8IsMMsk 1: enable 1-Min digit alarm mask; 0: disabled.
* @param[in] u8IsTenSMsk 1: enable 10-Sec digit alarm mask; 0: disabled.
* @param[in] u8IsSMsk 1: enable 1-Sec digit alarm mask; 0: disabled.
*
* @return None
*
* @details This API is used to enable or disable RTC alarm time mask function.
*/
void RTC_SetAlarmTimeMask(uint8_t u8IsTenHMsk, uint8_t u8IsHMsk, uint8_t u8IsTenMMsk, uint8_t u8IsMMsk, uint8_t u8IsTenSMsk, uint8_t u8IsSMsk)
{
RTC->TAMSK = ((uint32_t)u8IsTenHMsk << RTC_TAMSK_MTENHR_Pos) |
((uint32_t)u8IsHMsk << RTC_TAMSK_MHR_Pos) |
((uint32_t)u8IsTenMMsk << RTC_TAMSK_MTENMIN_Pos) |
((uint32_t)u8IsMMsk << RTC_TAMSK_MMIN_Pos) |
((uint32_t)u8IsTenSMsk << RTC_TAMSK_MTENSEC_Pos) |
((uint32_t)u8IsSMsk << RTC_TAMSK_MSEC_Pos);
}
/**
* @brief Get Day of the Week
*
* @param None
*
* @retval 0 Sunday
* @retval 1 Monday
* @retval 2 Tuesday
* @retval 3 Wednesday
* @retval 4 Thursday
* @retval 5 Friday
* @retval 6 Saturday
*
* @details This API is used to get day of the week of current RTC date.
*/
uint32_t RTC_GetDayOfWeek(void)
{
return (RTC->WEEKDAY & RTC_WEEKDAY_WEEKDAY_Msk);
}
/**
* @brief Set RTC Tick Period Time
*
* @param[in] u32TickSelection It is used to set the RTC tick period time for Periodic Time Tick request. \n
* It consists of:
* - \ref RTC_TICK_1_SEC : Time tick is 1 second
* - \ref RTC_TICK_1_2_SEC : Time tick is 1/2 second
* - \ref RTC_TICK_1_4_SEC : Time tick is 1/4 second
* - \ref RTC_TICK_1_8_SEC : Time tick is 1/8 second
* - \ref RTC_TICK_1_16_SEC : Time tick is 1/16 second
* - \ref RTC_TICK_1_32_SEC : Time tick is 1/32 second
* - \ref RTC_TICK_1_64_SEC : Time tick is 1/64 second
* - \ref RTC_TICK_1_128_SEC : Time tick is 1/128 second
*
* @return None
*
* @details This API is used to set RTC tick period time for each tick interrupt.
*/
void RTC_SetTickPeriod(uint32_t u32TickSelection)
{
RTC->TICK = (RTC->TICK & ~RTC_TICK_TICK_Msk) | u32TickSelection;
}
/**
* @brief Enable RTC Interrupt
*
* @param[in] u32IntFlagMask Specify the interrupt source. It consists of:
* - \ref RTC_INTEN_ALMIEN_Msk : Alarm interrupt
* - \ref RTC_INTEN_TICKIEN_Msk : Tick interrupt
* - \ref RTC_INTEN_TAMP0IEN_Msk : Tamper 0 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP1IEN_Msk : Tamper 1 or Pair 0 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP2IEN_Msk : Tamper 2 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP3IEN_Msk : Tamper 3 or Pair 1 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP4IEN_Msk : Tamper 4 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP5IEN_Msk : Tamper 5 or Pair 2 Pin Event Detection interrupt
*
* @return None
*
* @details This API is used to enable the specify RTC interrupt function.
*/
void RTC_EnableInt(uint32_t u32IntFlagMask)
{
RTC->INTEN |= u32IntFlagMask;
}
/**
* @brief Disable RTC Interrupt
*
* @param[in] u32IntFlagMask Specify the interrupt source. It consists of:
* - \ref RTC_INTEN_ALMIEN_Msk : Alarm interrupt
* - \ref RTC_INTEN_TICKIEN_Msk : Tick interrupt
* - \ref RTC_INTEN_TAMP0IEN_Msk : Tamper 0 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP1IEN_Msk : Tamper 1 or Pair 0 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP2IEN_Msk : Tamper 2 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP3IEN_Msk : Tamper 3 or Pair 1 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP4IEN_Msk : Tamper 4 Pin Event Detection interrupt
* - \ref RTC_INTEN_TAMP5IEN_Msk : Tamper 5 or Pair 2 Pin Event Detection interrupt
*
* @return None
*
* @details This API is used to disable the specify RTC interrupt function.
*/
void RTC_DisableInt(uint32_t u32IntFlagMask)
{
RTC->INTEN &= ~u32IntFlagMask;
RTC->INTSTS = u32IntFlagMask;
}
/**
* @brief Enable Spare Registers Access
*
* @param None
*
* @return None
*
* @details This API is used to enable the spare registers 0~19 can be accessed.
*/
void RTC_EnableSpareAccess(void)
{
RTC->SPRCTL |= RTC_SPRCTL_SPRRWEN_Msk;
}
/**
* @brief Disable Spare Register
*
* @param None
*
* @return None
*
* @details This API is used to disable the spare register 0~19 cannot be accessed.
*/
void RTC_DisableSpareRegister(void)
{
RTC->SPRCTL &= ~RTC_SPRCTL_SPRRWEN_Msk;
}
/**
* @brief Static Tamper Detect
*
* @param[in] u32TamperSelect Tamper pin select. Possible options are
* - \ref RTC_TAMPER0_SELECT
* - \ref RTC_TAMPER1_SELECT
* - \ref RTC_TAMPER2_SELECT
* - \ref RTC_TAMPER3_SELECT
* - \ref RTC_TAMPER4_SELECT
* - \ref RTC_TAMPER5_SELECT
*
* @param[in] u32DetecLevel Tamper pin detection level select. Possible options are
* - \ref RTC_TAMPER_HIGH_LEVEL_DETECT
* - \ref RTC_TAMPER_LOW_LEVEL_DETECT
*
* @param[in] u32DebounceEn Tamper pin de-bounce enable
* - \ref RTC_TAMPER_DEBOUNCE_ENABLE
* - \ref RTC_TAMPER_DEBOUNCE_DISABLE
*
* @return None
*
* @details This API is used to enable the tamper pin detect function with specify trigger condition.
* User need disable dynamic tamper function before use this API.
*/
void RTC_StaticTamperEnable(uint32_t u32TamperSelect, uint32_t u32DetecLevel, uint32_t u32DebounceEn)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
u32Reg = RTC->TAMPCTL;
u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk | (u32DetecLevel << RTC_TAMPCTL_TAMP0LV_Pos) |
(u32DebounceEn << RTC_TAMPCTL_TAMP0DBEN_Pos));
for(i = 0UL; i < (uint32_t)RTC_MAX_TAMPER_PIN_NUM; i++)
{
if(u32TamperSelect & (0x1UL << i))
{
u32Reg &= ~((RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP0LV_Msk | RTC_TAMPCTL_TAMP0DBEN_Msk) << (i * 4UL));
u32Reg |= (u32TmpReg << (i * 4UL));
}
}
RTC->TAMPCTL = u32Reg;
}
/**
* @brief Static Tamper Disable
*
* @param[in] u32TamperSelect Tamper pin select. Possible options are
* - \ref RTC_TAMPER0_SELECT
* - \ref RTC_TAMPER1_SELECT
* - \ref RTC_TAMPER2_SELECT
* - \ref RTC_TAMPER3_SELECT
* - \ref RTC_TAMPER4_SELECT
* - \ref RTC_TAMPER5_SELECT
*
* @return None
*
* @details This API is used to disable the static tamper pin detect.
*/
void RTC_StaticTamperDisable(uint32_t u32TamperSelect)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
u32Reg = RTC->TAMPCTL;
u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk);
for(i = 0UL; i < (uint32_t)RTC_MAX_TAMPER_PIN_NUM; i++)
{
if(u32TamperSelect & (0x1UL << i))
{
u32Reg &= ~(u32TmpReg << (i * 4UL));
}
}
RTC->TAMPCTL = u32Reg;
}
/**
* @brief Dynamic Tamper Detect
*
* @param[in] u32PairSel Tamper pin detection enable. Possible options are
* - \ref RTC_PAIR0_SELECT
* - \ref RTC_PAIR1_SELECT
* - \ref RTC_PAIR2_SELECT
*
* @param[in] u32DebounceEn Tamper pin de-bounce enable
* - \ref RTC_TAMPER_DEBOUNCE_ENABLE
* - \ref RTC_TAMPER_DEBOUNCE_DISABLE
*
* @param[in] u32Pair1Source Dynamic Pair 1 Input Source Select
* 0: Pair 1 source select tamper 2
* 1: Pair 1 source select tamper 0
*
* @param[in] u32Pair2Source Dynamic Pair 2 Input Source Select
* 0: Pair 2 source select tamper 4
* 1: Pair 2 source select tamper 0
*
* @return None
*
* @details This API is used to enable the dynamic tamper.
*/
void RTC_DynamicTamperEnable(uint32_t u32PairSel, uint32_t u32DebounceEn, uint32_t u32Pair1Source, uint32_t u32Pair2Source)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
uint32_t u32Tamper2Debounce, u32Tamper4Debounce;
u32Reg = RTC->TAMPCTL;
u32Reg &= ~(RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP1EN_Msk | RTC_TAMPCTL_TAMP2EN_Msk |
RTC_TAMPCTL_TAMP3EN_Msk | RTC_TAMPCTL_TAMP4EN_Msk | RTC_TAMPCTL_TAMP5EN_Msk);
u32Tamper2Debounce = u32Reg & RTC_TAMPCTL_TAMP2DBEN_Msk;
u32Tamper4Debounce = u32Reg & RTC_TAMPCTL_TAMP4DBEN_Msk;
u32Reg &= ~(RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP1EN_Msk | RTC_TAMPCTL_TAMP2EN_Msk |
RTC_TAMPCTL_TAMP3EN_Msk | RTC_TAMPCTL_TAMP4EN_Msk | RTC_TAMPCTL_TAMP5EN_Msk);
u32Reg &= ~(RTC_TAMPCTL_DYN1ISS_Msk | RTC_TAMPCTL_DYN2ISS_Msk);
u32Reg |= ((u32Pair1Source & 0x1UL) << RTC_TAMPCTL_DYN1ISS_Pos) | ((u32Pair2Source & 0x1UL) << RTC_TAMPCTL_DYN2ISS_Pos);
if(u32DebounceEn)
{
u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP1EN_Msk |
RTC_TAMPCTL_TAMP0DBEN_Msk | RTC_TAMPCTL_TAMP1DBEN_Msk | RTC_TAMPCTL_DYNPR0EN_Msk);
}
else
{
u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP1EN_Msk | RTC_TAMPCTL_DYNPR0EN_Msk);
}
for(i = 0UL; i < (uint32_t)RTC_MAX_PAIR_NUM; i++)
{
if(u32PairSel & (0x1UL << i))
{
u32Reg &= ~((RTC_TAMPCTL_TAMP0DBEN_Msk | RTC_TAMPCTL_TAMP1DBEN_Msk) << (i * 8UL));
u32Reg |= (u32TmpReg << (i * 8UL));
}
}
if((u32Pair1Source) && (u32PairSel & (uint32_t)RTC_PAIR1_SELECT))
{
u32Reg &= ~RTC_TAMPCTL_TAMP2EN_Msk;
u32Reg |= u32Tamper2Debounce;
}
if((u32Pair2Source) && (u32PairSel & (uint32_t)RTC_PAIR2_SELECT))
{
u32Reg &= ~RTC_TAMPCTL_TAMP4EN_Msk;
u32Reg |= u32Tamper4Debounce;
}
RTC->TAMPCTL = u32Reg;
}
/**
* @brief Dynamic Tamper Disable
*
* @param[in] u32PairSel Tamper pin detection enable. Possible options are
* - \ref RTC_PAIR0_SELECT
* - \ref RTC_PAIR1_SELECT
* - \ref RTC_PAIR2_SELECT
*
* @return None
*
* @details This API is used to disable the dynamic tamper.
*/
void RTC_DynamicTamperDisable(uint32_t u32PairSel)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
uint32_t u32Tamper2En = 0UL, u32Tamper4En = 0UL;
u32Reg = RTC->TAMPCTL;
if((u32Reg & (uint32_t)RTC_TAMPCTL_DYN1ISS_Msk) && (u32PairSel & (uint32_t)RTC_PAIR1_SELECT))
{
u32Tamper2En = u32Reg & RTC_TAMPCTL_TAMP2EN_Msk;
}
if((u32Reg & (uint32_t)RTC_TAMPCTL_DYN2ISS_Msk) && (u32PairSel & (uint32_t)RTC_PAIR2_SELECT))
{
u32Tamper4En = u32Reg & RTC_TAMPCTL_TAMP4EN_Msk;
}
u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk | RTC_TAMPCTL_TAMP1EN_Msk | RTC_TAMPCTL_DYNPR0EN_Msk);
for(i = 0UL; i < (uint32_t)RTC_MAX_PAIR_NUM; i++)
{
if(u32PairSel & (0x1UL << i))
{
u32Reg &= ~(u32TmpReg << ((i * 8UL)));
}
}
u32Reg |= (u32Tamper2En | u32Tamper4En);
RTC->TAMPCTL = u32Reg;
}
/**
* @brief Configure Dynamic Tamper
*
* @param[in] u32ChangeRate The dynamic tamper output change rate
* - \ref RTC_2POW10_CLK
* - \ref RTC_2POW11_CLK
* - \ref RTC_2POW12_CLK
* - \ref RTC_2POW13_CLK
* - \ref RTC_2POW14_CLK
* - \ref RTC_2POW15_CLK
* - \ref RTC_2POW16_CLK
* - \ref RTC_2POW17_CLK
*
* @param[in] u32SeedReload Reload new seed or not
* 0: not reload new seed
* 1: reload new seed
*
* @param[in] u32RefPattern Reference pattern
* - \ref RTC_REF_RANDOM_PATTERN
* - \ref RTC_REF_SEED_VALUE
*
* @param[in] u32Seed Seed Value (0x0 ~ 0xFFFFFFFF)
*
* @return None
*
* @details This API is used to config dynamic tamper setting.
*/
void RTC_DynamicTamperConfig(uint32_t u32ChangeRate, uint32_t u32SeedReload, uint32_t u32RefPattern, uint32_t u32Seed)
{
uint32_t u32Reg;
u32Reg = RTC->TAMPCTL;
u32Reg &= ~(RTC_TAMPCTL_DYNSRC_Msk | RTC_TAMPCTL_SEEDRLD_Msk | RTC_TAMPCTL_DYNRATE_Msk);
u32Reg |= (u32ChangeRate) | ((u32SeedReload & 0x1UL) << RTC_TAMPCTL_SEEDRLD_Pos) |
(u32RefPattern << RTC_TAMPCTL_DYNSRC_Pos);
RTC->TAMPSEED = u32Seed; /* need set seed value before re-loade seed */
RTC->TAMPCTL = u32Reg;
}
/**
* @brief Set RTC Clock Source
*
* @param[in] u32ClkSrc u32ClkSrc is the RTC clock source. It could be
* - \ref RTC_CLOCK_SOURCE_LXT
* - \ref RTC_CLOCK_SOURCE_LIRC
*
* @retval RTC_CLOCK_SOURCE_LXT
* @retval RTC_CLOCK_SOURCE_LIRC
*
* @details This API is used to get the setting of RTC clock source.
* User must to enable the selected clock source by themselves executing perform this API.
*/
uint32_t RTC_SetClockSource(uint32_t u32ClkSrc)
{
uint32_t u32TrimDefault = inpw(SYS_BASE + 0x14Cul);
if(u32ClkSrc == RTC_CLOCK_SOURCE_LXT)
{
/* RTC clock source is external LXT */
RTC->LXTCTL &= ~RTC_LXTCTL_RTCCKSEL_Msk;
return RTC_CLOCK_SOURCE_LXT;
}
else if(u32ClkSrc == RTC_CLOCK_SOURCE_LIRC)
{
/* RTC clock source is LIRC */
RTC->LXTCTL |= RTC_LXTCTL_RTCCKSEL_Msk;
return RTC_CLOCK_SOURCE_LIRC;
}
else
{
/* Set the default RTC clock source is LIRC */
RTC->LXTCTL |= RTC_LXTCTL_RTCCKSEL_Msk;
return RTC_CLOCK_SOURCE_LIRC;
}
}
/**
* @brief Set RTC GPIO Operation Mode
*
* @param[in] u32Pin The single pin of GPIO-F port.
* It could be 4~11, which means PF.4~PF.11.
* @param[in] u32Mode Operation mode. It could be
* - \ref RTC_IO_MODE_INPUT
* - \ref RTC_IO_MODE_OUTPUT
* - \ref RTC_IO_MODE_OPEN_DRAIN
* - \ref RTC_IO_MODE_QUASI
* @param[in] u32DigitalCtl The digital input path control of specified pin. It could be
* - \ref RTC_IO_DIGITAL_ENABLE
* - \ref RTC_IO_DIGITAL_DISABLE
* @param[in] u32PullCtl The pull-up or pull-down control of specified pin. It could be
* - \ref RTC_IO_PULL_UP_DOWN_DISABLE
* - \ref RTC_IO_PULL_UP_ENABLE
* - \ref RTC_IO_PULL_DOWN_ENABLE
* @param[in] u32OutputLevel The I/O output level. 0: output low; 1: output high.
*
* @return None
*
* @details This function is used to set specified GPIO operation mode controlled by RTC module.
*/
void RTC_SetGPIOMode(uint32_t u32PFPin, uint32_t u32Mode, uint32_t u32DigitalCtl, uint32_t u32PullCtl, uint32_t u32OutputLevel)
{
uint32_t u32Offset;
if((u32PFPin == 4) || (u32PFPin == 5) || (u32PFPin == 6) || (u32PFPin == 7))
{
u32Offset = u32PFPin - 4;
RTC_SET_IOCTL_BY_RTC();
RTC->GPIOCTL0 = (RTC->GPIOCTL0 & ~(0x3FUL << (u32Offset * 8))) |
(u32Mode << (u32Offset * 8)) |
(u32OutputLevel << ((u32Offset * 8) + 2)) |
(u32DigitalCtl << ((u32Offset * 8) + 3)) |
(u32PullCtl << ((u32Offset * 8) + 4));
}
if((u32PFPin == 8) || (u32PFPin == 9) || (u32PFPin == 10) || (u32PFPin == 11))
{
u32Offset = u32PFPin - 8;
RTC_SET_IOCTL_BY_RTC();
RTC->GPIOCTL1 = (RTC->GPIOCTL1 & ~(0x3FUL << (u32Offset * 8))) |
(u32Mode << (u32Offset * 8)) |
(u32OutputLevel << ((u32Offset * 8) + 2)) |
(u32DigitalCtl << ((u32Offset * 8) + 3)) |
(u32PullCtl << ((u32Offset * 8) + 4));
}
}
/**
* @brief Set RTC GPIO Output Level
*
* @param[in] u32Pin The single pin of GPIO-F port.
* It could be 4~11, which means PF.4~PF.11.
* @param[in] u32OutputLevel The I/O output level. 0: output low; 1: output high.
*
* @return None
*
* @details This function is used to set GPIO output level by RTC module.
*/
void RTC_SetGPIOLevel(uint32_t u32PFPin, uint32_t u32OutputLevel)
{
uint32_t u32Offset;
if((u32PFPin == 4) || (u32PFPin == 5) || (u32PFPin == 6) || (u32PFPin == 7))
{
u32Offset = u32PFPin - 4;
RTC->GPIOCTL0 = (RTC->GPIOCTL0 & ~(0x4UL << (u32Offset * 8))) |
(u32OutputLevel << ((u32Offset * 8) + 2));
}
if((u32PFPin == 8) || (u32PFPin == 9) || (u32PFPin == 10) || (u32PFPin == 11))
{
u32Offset = u32PFPin - 8;
RTC->GPIOCTL1 = (RTC->GPIOCTL1 & ~(0x4UL << (u32Offset * 8))) |
(u32OutputLevel << ((u32Offset * 8) + 2));
}
}
/**@}*/ /* end of group RTC_EXPORTED_FUNCTIONS */
/**@}*/ /* end of group RTC_Driver */
/**@}*/ /* end of group Standard_Driver */