790 lines
30 KiB
C
790 lines
30 KiB
C
/**************************************************************************//**
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* @file rtc.c
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* @version V3.00
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* $Revision: 7 $
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* $Date: 15/08/11 10:26a $
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* @brief M451 series RTC driver source file
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*
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* @note
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* Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "M451Series.h"
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/// @cond HIDDEN_SYMBOLS
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/*---------------------------------------------------------------------------------------------------------*/
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/* Macro, type and constant definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define RTC_GLOBALS
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/*---------------------------------------------------------------------------------------------------------*/
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/* Global file scope (static) variables */
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/*---------------------------------------------------------------------------------------------------------*/
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static volatile uint32_t g_u32hiYear, g_u32loYear, g_u32hiMonth, g_u32loMonth, g_u32hiDay, g_u32loDay;
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static volatile uint32_t g_u32hiHour, g_u32loHour, g_u32hiMin, g_u32loMin, g_u32hiSec, g_u32loSec;
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/// @endcond HIDDEN_SYMBOLS
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup RTC_Driver RTC Driver
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@{
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*/
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/** @addtogroup RTC_EXPORTED_FUNCTIONS RTC Exported Functions
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@{
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*/
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/**
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* @brief Initialize RTC module and start counting
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*
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* @param[in] sPt Specify the time property and current date and time. It includes: \n
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* u32Year: Year value, range between 2000 ~ 2099. \n
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* u32Month: Month value, range between 1 ~ 12. \n
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* u32Day: Day value, range between 1 ~ 31. \n
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* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
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* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
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* RTC_SATURDAY] \n
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* u32Hour: Hour value, range between 0 ~ 23. \n
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* u32Minute: Minute value, range between 0 ~ 59. \n
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* u32Second: Second value, range between 0 ~ 59. \n
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* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
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* u8AmPm: [RTC_AM / RTC_PM] \n
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*
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* @return None
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*
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* @details This function is used to: \n
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* 1. Write initial key to let RTC start count. \n
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* 2. Input parameter indicates start date/time. \n
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* 3. User has to make sure that parameters of RTC date/time are reasonable. \n
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* @note Null pointer for using default starting date/time.
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*/
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void RTC_Open(S_RTC_TIME_DATA_T *sPt)
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{
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RTC->INIT = RTC_INIT_KEY;
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if(RTC->INIT != RTC_INIT_ACTIVE_Msk)
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{
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RTC->INIT = RTC_INIT_KEY;
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while(RTC->INIT != RTC_INIT_ACTIVE_Msk);
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}
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if(sPt == 0)
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return ;
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/* Set RTC date and time */
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RTC_SetDateAndTime(sPt);
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/* Waiting for RTC settings stable */
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while((RTC->RWEN & RTC_RWEN_RWENF_Msk) == RTC_RWEN_RWENF_Msk);
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}
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/**
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* @brief Disable RTC Clock
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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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* @details This API will disable RTC peripheral clock and stops RTC counting.
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*/
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void RTC_Close(void)
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{
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CLK->APBCLK0 &= ~CLK_APBCLK0_RTCCKEN_Msk;
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}
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/**
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* @brief Set 32k Frequency Compensation Data
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*
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* @param[in] i32FrequencyX100 Specify the RTC clock X100, ex: 3277365 means 32773.65.
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*
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* @return None
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*
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* @details This API is used to compensate the 32 kHz frequency by current LXT frequency for RTC application.
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*/
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void RTC_32KCalibration(int32_t i32FrequencyX100)
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{
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int32_t i32RegInt, i32RegFra;
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/* Compute integer and fraction for RTC FCR register */
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i32RegInt = (i32FrequencyX100 / 100) - RTC_FCR_REFERENCE;
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i32RegFra = (((i32FrequencyX100 % 100)) * 60) / 100;
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/* Judge Integer part is reasonable */
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if((i32RegInt < 0) | (i32RegInt > 15))
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{
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return ;
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}
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RTC_WaitAccessEnable();
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RTC->FREQADJ = (uint32_t)((i32RegInt << 8) | i32RegFra);
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}
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/**
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* @brief Get Current RTC Date and Time
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*
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* @param[out] sPt The returned pointer is specified the current RTC value. It includes: \n
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* u32Year: Year value \n
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* u32Month: Month value \n
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* u32Day: Day value \n
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* u32DayOfWeek: Day of week \n
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* u32Hour: Hour value \n
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* u32Minute: Minute value \n
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* u32Second: Second value \n
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* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
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* u8AmPm: [RTC_AM / RTC_PM] \n
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*
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* @return None
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*
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* @details This API is used to get the current RTC date and time value.
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*/
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void RTC_GetDateAndTime(S_RTC_TIME_DATA_T *sPt)
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{
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uint32_t u32Tmp;
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sPt->u32TimeScale = RTC->CLKFMT & RTC_CLKFMT_24HEN_Msk; /* 12/24-hour */
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sPt->u32DayOfWeek = RTC->WEEKDAY & RTC_WEEKDAY_WEEKDAY_Msk; /* Day of the week */
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/* Get [Date digit] data */
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g_u32hiYear = (RTC->CAL & RTC_CAL_TENYEAR_Msk) >> RTC_CAL_TENYEAR_Pos;
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g_u32loYear = (RTC->CAL & RTC_CAL_YEAR_Msk) >> RTC_CAL_YEAR_Pos;
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g_u32hiMonth = (RTC->CAL & RTC_CAL_TENMON_Msk) >> RTC_CAL_TENMON_Pos;
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g_u32loMonth = (RTC->CAL & RTC_CAL_MON_Msk) >> RTC_CAL_MON_Pos;
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g_u32hiDay = (RTC->CAL & RTC_CAL_TENDAY_Msk) >> RTC_CAL_TENDAY_Pos;
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g_u32loDay = (RTC->CAL & RTC_CAL_DAY_Msk) >> RTC_CAL_DAY_Pos;
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/* Get [Time digit] data */
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g_u32hiHour = (RTC->TIME & RTC_TIME_TENHR_Msk) >> RTC_TIME_TENHR_Pos;
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g_u32loHour = (RTC->TIME & RTC_TIME_HR_Msk) >> RTC_TIME_HR_Pos;
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g_u32hiMin = (RTC->TIME & RTC_TIME_TENMIN_Msk) >> RTC_TIME_TENMIN_Pos;
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g_u32loMin = (RTC->TIME & RTC_TIME_MIN_Msk) >> RTC_TIME_MIN_Pos;
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g_u32hiSec = (RTC->TIME & RTC_TIME_TENSEC_Msk) >> RTC_TIME_TENSEC_Pos;
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g_u32loSec = (RTC->TIME & RTC_TIME_SEC_Msk) >> RTC_TIME_SEC_Pos;
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/* Compute to 20XX year */
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u32Tmp = (g_u32hiYear * 10);
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u32Tmp += g_u32loYear;
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sPt->u32Year = u32Tmp + RTC_YEAR2000;
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/* Compute 0~12 month */
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u32Tmp = (g_u32hiMonth * 10);
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sPt->u32Month = u32Tmp + g_u32loMonth;
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/* Compute 0~31 day */
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u32Tmp = (g_u32hiDay * 10);
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sPt->u32Day = u32Tmp + g_u32loDay;
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/* Compute 12/24 hour */
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if(sPt->u32TimeScale == RTC_CLOCK_12)
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{
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u32Tmp = (g_u32hiHour * 10);
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u32Tmp += g_u32loHour;
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sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */
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if(sPt->u32Hour >= 21)
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{
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sPt->u32AmPm = RTC_PM;
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sPt->u32Hour -= 20;
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}
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else
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{
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sPt->u32AmPm = RTC_AM;
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}
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u32Tmp = (g_u32hiMin * 10);
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u32Tmp += g_u32loMin;
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sPt->u32Minute = u32Tmp;
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u32Tmp = (g_u32hiSec * 10);
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u32Tmp += g_u32loSec;
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sPt->u32Second = u32Tmp;
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}
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else
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{
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u32Tmp = (g_u32hiHour * 10);
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u32Tmp += g_u32loHour;
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sPt->u32Hour = u32Tmp;
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u32Tmp = (g_u32hiMin * 10);
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u32Tmp += g_u32loMin;
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sPt->u32Minute = u32Tmp;
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u32Tmp = (g_u32hiSec * 10);
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u32Tmp += g_u32loSec;
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sPt->u32Second = u32Tmp;
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}
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}
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/**
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* @brief Get RTC Alarm Date and Time
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*
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* @param[out] sPt The returned pointer is specified the RTC alarm value. It includes: \n
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* u32Year: Year value \n
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* u32Month: Month value \n
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* u32Day: Day value \n
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* u32DayOfWeek: Day of week \n
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* u32Hour: Hour value \n
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* u32Minute: Minute value \n
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* u32Second: Second value \n
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* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
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* u8AmPm: [RTC_AM / RTC_PM] \n
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*
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* @return None
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*
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* @details This API is used to get the RTC alarm date and time setting.
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*/
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void RTC_GetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt)
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{
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uint32_t u32Tmp;
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sPt->u32TimeScale = RTC->CLKFMT & RTC_CLKFMT_24HEN_Msk; /* 12/24-hour */
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sPt->u32DayOfWeek = RTC->WEEKDAY & RTC_WEEKDAY_WEEKDAY_Msk; /* Day of the week */
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/* Get alarm [Date digit] data */
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RTC_WaitAccessEnable();
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g_u32hiYear = (RTC->CALM & RTC_CALM_TENYEAR_Msk) >> RTC_CALM_TENYEAR_Pos;
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g_u32loYear = (RTC->CALM & RTC_CALM_YEAR_Msk) >> RTC_CALM_YEAR_Pos;
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g_u32hiMonth = (RTC->CALM & RTC_CALM_TENMON_Msk) >> RTC_CALM_TENMON_Pos;
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g_u32loMonth = (RTC->CALM & RTC_CALM_MON_Msk) >> RTC_CALM_MON_Pos;
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g_u32hiDay = (RTC->CALM & RTC_CALM_TENDAY_Msk) >> RTC_CALM_TENDAY_Pos;
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g_u32loDay = (RTC->CALM & RTC_CALM_DAY_Msk) >> RTC_CALM_DAY_Pos;
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/* Get alarm [Time digit] data */
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RTC_WaitAccessEnable();
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g_u32hiHour = (RTC->TALM & RTC_TALM_TENHR_Msk) >> RTC_TALM_TENHR_Pos;
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g_u32loHour = (RTC->TALM & RTC_TALM_HR_Msk) >> RTC_TALM_HR_Pos;
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g_u32hiMin = (RTC->TALM & RTC_TALM_TENMIN_Msk) >> RTC_TALM_TENMIN_Pos;
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g_u32loMin = (RTC->TALM & RTC_TALM_MIN_Msk) >> RTC_TALM_MIN_Pos;
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g_u32hiSec = (RTC->TALM & RTC_TALM_TENSEC_Msk) >> RTC_TALM_TENSEC_Pos;
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g_u32loSec = (RTC->TALM & RTC_TALM_SEC_Msk) >> RTC_TALM_SEC_Pos;
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/* Compute to 20XX year */
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u32Tmp = (g_u32hiYear * 10);
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u32Tmp += g_u32loYear;
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sPt->u32Year = u32Tmp + RTC_YEAR2000;
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/* Compute 0~12 month */
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u32Tmp = (g_u32hiMonth * 10);
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sPt->u32Month = u32Tmp + g_u32loMonth;
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/* Compute 0~31 day */
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u32Tmp = (g_u32hiDay * 10);
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sPt->u32Day = u32Tmp + g_u32loDay;
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/* Compute 12/24 hour */
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if(sPt->u32TimeScale == RTC_CLOCK_12)
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{
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u32Tmp = (g_u32hiHour * 10);
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u32Tmp += g_u32loHour;
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sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */
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if(sPt->u32Hour >= 21)
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{
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sPt->u32AmPm = RTC_PM;
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sPt->u32Hour -= 20;
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}
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else
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{
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sPt->u32AmPm = RTC_AM;
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}
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u32Tmp = (g_u32hiMin * 10);
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u32Tmp += g_u32loMin;
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sPt->u32Minute = u32Tmp;
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u32Tmp = (g_u32hiSec * 10);
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u32Tmp += g_u32loSec;
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sPt->u32Second = u32Tmp;
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}
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else
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{
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u32Tmp = (g_u32hiHour * 10);
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u32Tmp += g_u32loHour;
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sPt->u32Hour = u32Tmp;
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u32Tmp = (g_u32hiMin * 10);
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u32Tmp += g_u32loMin;
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sPt->u32Minute = u32Tmp;
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u32Tmp = (g_u32hiSec * 10);
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u32Tmp += g_u32loSec;
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sPt->u32Second = u32Tmp;
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}
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}
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/**
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* @brief Update Current RTC Date and Time
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*
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* @param[in] sPt Specify the time property and current date and time. It includes: \n
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* u32Year: Year value, range between 2000 ~ 2099. \n
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* u32Month: Month value, range between 1 ~ 12. \n
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* u32Day: Day value, range between 1 ~ 31. \n
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* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
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* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
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* RTC_SATURDAY] \n
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* u32Hour: Hour value, range between 0 ~ 23. \n
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* u32Minute: Minute value, range between 0 ~ 59. \n
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* u32Second: Second value, range between 0 ~ 59. \n
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* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
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* u8AmPm: [RTC_AM / RTC_PM] \n
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*
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* @return None
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*
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* @details This API is used to update current date and time to RTC.
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*/
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void RTC_SetDateAndTime(S_RTC_TIME_DATA_T *sPt)
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{
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uint32_t u32RegCAL, u32RegTIME;
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if(sPt == 0)
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return ;
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/*-----------------------------------------------------------------------------------------------------*/
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/* Set RTC 24/12 hour setting and Day of the Week */
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/*-----------------------------------------------------------------------------------------------------*/
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RTC_WaitAccessEnable();
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if(sPt->u32TimeScale == RTC_CLOCK_12)
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{
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RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
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/*-------------------------------------------------------------------------------------------------*/
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/* Important, range of 12-hour PM mode is 21 up to 32 */
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/*-------------------------------------------------------------------------------------------------*/
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if(sPt->u32AmPm == RTC_PM)
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sPt->u32Hour += 20;
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}
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else
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{
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RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
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}
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/* Set Day of the Week */
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RTC->WEEKDAY = sPt->u32DayOfWeek;
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/*-----------------------------------------------------------------------------------------------------*/
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/* Set RTC Current Date and Time */
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/*-----------------------------------------------------------------------------------------------------*/
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u32RegCAL = ((sPt->u32Year - RTC_YEAR2000) / 10) << 20;
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u32RegCAL |= (((sPt->u32Year - RTC_YEAR2000) % 10) << 16);
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u32RegCAL |= ((sPt->u32Month / 10) << 12);
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u32RegCAL |= ((sPt->u32Month % 10) << 8);
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u32RegCAL |= ((sPt->u32Day / 10) << 4);
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u32RegCAL |= (sPt->u32Day % 10);
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u32RegTIME = ((sPt->u32Hour / 10) << 20);
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u32RegTIME |= ((sPt->u32Hour % 10) << 16);
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u32RegTIME |= ((sPt->u32Minute / 10) << 12);
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u32RegTIME |= ((sPt->u32Minute % 10) << 8);
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u32RegTIME |= ((sPt->u32Second / 10) << 4);
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u32RegTIME |= (sPt->u32Second % 10);
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/*-----------------------------------------------------------------------------------------------------*/
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/* Set RTC Calender and Time Loading */
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/*-----------------------------------------------------------------------------------------------------*/
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RTC_WaitAccessEnable();
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RTC->CAL = (uint32_t)u32RegCAL;
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RTC->TIME = (uint32_t)u32RegTIME;
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}
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/**
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* @brief Update RTC Alarm Date and Time
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*
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* @param[in] sPt Specify the time property and alarm date and time. It includes: \n
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* u32Year: Year value, range between 2000 ~ 2099. \n
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* u32Month: Month value, range between 1 ~ 12. \n
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* u32Day: Day value, range between 1 ~ 31. \n
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* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
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* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
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* RTC_SATURDAY] \n
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* u32Hour: Hour value, range between 0 ~ 23. \n
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* u32Minute: Minute value, range between 0 ~ 59. \n
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* u32Second: Second value, range between 0 ~ 59. \n
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* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
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* u8AmPm: [RTC_AM / RTC_PM] \n
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*
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* @return None
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*
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* @details This API is used to update alarm date and time setting to RTC.
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*/
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void RTC_SetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt)
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{
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uint32_t u32RegCALM, u32RegTALM;
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if(sPt == 0)
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return ;
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/*-----------------------------------------------------------------------------------------------------*/
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/* Set RTC 24/12 hour setting and Day of the Week */
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/*-----------------------------------------------------------------------------------------------------*/
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RTC_WaitAccessEnable();
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if(sPt->u32TimeScale == RTC_CLOCK_12)
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{
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RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
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/*-------------------------------------------------------------------------------------------------*/
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/* Important, range of 12-hour PM mode is 21 up to 32 */
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/*-------------------------------------------------------------------------------------------------*/
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if(sPt->u32AmPm == RTC_PM)
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sPt->u32Hour += 20;
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}
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else
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{
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RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
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}
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/* Set Day of the Week */
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RTC->WEEKDAY = sPt->u32DayOfWeek;
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/*-----------------------------------------------------------------------------------------------------*/
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/* Set RTC Alarm Date and Time */
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/*-----------------------------------------------------------------------------------------------------*/
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u32RegCALM = ((sPt->u32Year - RTC_YEAR2000) / 10) << 20;
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u32RegCALM |= (((sPt->u32Year - RTC_YEAR2000) % 10) << 16);
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u32RegCALM |= ((sPt->u32Month / 10) << 12);
|
|
u32RegCALM |= ((sPt->u32Month % 10) << 8);
|
|
u32RegCALM |= ((sPt->u32Day / 10) << 4);
|
|
u32RegCALM |= (sPt->u32Day % 10);
|
|
|
|
u32RegTALM = ((sPt->u32Hour / 10) << 20);
|
|
u32RegTALM |= ((sPt->u32Hour % 10) << 16);
|
|
u32RegTALM |= ((sPt->u32Minute / 10) << 12);
|
|
u32RegTALM |= ((sPt->u32Minute % 10) << 8);
|
|
u32RegTALM |= ((sPt->u32Second / 10) << 4);
|
|
u32RegTALM |= (sPt->u32Second % 10);
|
|
|
|
RTC_WaitAccessEnable();
|
|
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 - RTC_YEAR2000) / 10) << 20;
|
|
u32RegCAL |= (((u32Year - RTC_YEAR2000) % 10) << 16);
|
|
u32RegCAL |= ((u32Month / 10) << 12);
|
|
u32RegCAL |= ((u32Month % 10) << 8);
|
|
u32RegCAL |= ((u32Day / 10) << 4);
|
|
u32RegCAL |= (u32Day % 10);
|
|
|
|
RTC_WaitAccessEnable();
|
|
|
|
/* 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 == RTC_CLOCK_12) && (u32AmPm == RTC_PM))
|
|
u32Hour += 20;
|
|
|
|
u32RegTIME = ((u32Hour / 10) << 20);
|
|
u32RegTIME |= ((u32Hour % 10) << 16);
|
|
u32RegTIME |= ((u32Minute / 10) << 12);
|
|
u32RegTIME |= ((u32Minute % 10) << 8);
|
|
u32RegTIME |= ((u32Second / 10) << 4);
|
|
u32RegTIME |= (u32Second % 10);
|
|
|
|
/*-----------------------------------------------------------------------------------------------------*/
|
|
/* Set RTC 24/12 hour setting and Day of the Week */
|
|
/*-----------------------------------------------------------------------------------------------------*/
|
|
RTC_WaitAccessEnable();
|
|
if(u32TimeMode == 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 - RTC_YEAR2000) / 10) << 20;
|
|
u32RegCALM |= (((u32Year - RTC_YEAR2000) % 10) << 16);
|
|
u32RegCALM |= ((u32Month / 10) << 12);
|
|
u32RegCALM |= ((u32Month % 10) << 8);
|
|
u32RegCALM |= ((u32Day / 10) << 4);
|
|
u32RegCALM |= (u32Day % 10);
|
|
|
|
RTC_WaitAccessEnable();
|
|
|
|
/* 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 == RTC_CLOCK_12) && (u32AmPm == RTC_PM))
|
|
u32Hour += 20;
|
|
|
|
u32RegTALM = ((u32Hour / 10) << 20);
|
|
u32RegTALM |= ((u32Hour % 10) << 16);
|
|
u32RegTALM |= ((u32Minute / 10) << 12);
|
|
u32RegTALM |= ((u32Minute % 10) << 8);
|
|
u32RegTALM |= ((u32Second / 10) << 4);
|
|
u32RegTALM |= (u32Second % 10);
|
|
|
|
/*-----------------------------------------------------------------------------------------------------*/
|
|
/* Set RTC 24/12 hour setting and Day of the Week */
|
|
/*-----------------------------------------------------------------------------------------------------*/
|
|
RTC_WaitAccessEnable();
|
|
if(u32TimeMode == 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 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: \n
|
|
* RTC_TICK_1_SEC: Time tick is 1 second \n
|
|
* RTC_TICK_1_2_SEC: Time tick is 1/2 second \n
|
|
* RTC_TICK_1_4_SEC: Time tick is 1/4 second \n
|
|
* RTC_TICK_1_8_SEC: Time tick is 1/8 second \n
|
|
* RTC_TICK_1_16_SEC: Time tick is 1/16 second \n
|
|
* RTC_TICK_1_32_SEC: Time tick is 1/32 second \n
|
|
* RTC_TICK_1_64_SEC: Time tick is 1/64 second \n
|
|
* 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_WaitAccessEnable();
|
|
|
|
RTC->TICK = (RTC->TICK & ~RTC_TICK_TICK_Msk) | u32TickSelection;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable RTC Interrupt
|
|
*
|
|
* @param[in] u32IntFlagMask Specify the interrupt source. It consists of: \n
|
|
* RTC_INTEN_ALMIEN_Msk: Alarm interrupt \n
|
|
* RTC_INTEN_TICKIEN_Msk: Tick interrupt \n
|
|
* RTC_INTEN_SNPDIEN_Msk: Snooper Pin Event Detection interrupt \n
|
|
*
|
|
* @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: \n
|
|
* RTC_INTEN_ALMIEN_Msk: Alarm interrupt \n
|
|
* RTC_INTEN_TICKIEN_Msk: Tick interrupt \n
|
|
* RTC_INTEN_SNPDIEN_Msk: Snooper Pin Event Detection interrupt \n
|
|
*
|
|
* @return None
|
|
*
|
|
* @details This API is used to disable the specify RTC interrupt function.
|
|
*/
|
|
void RTC_DisableInt(uint32_t u32IntFlagMask)
|
|
{
|
|
if(u32IntFlagMask & RTC_INTEN_ALMIEN_Msk)
|
|
{
|
|
RTC->INTEN &= ~RTC_INTEN_ALMIEN_Msk;
|
|
RTC->INTSTS = RTC_INTSTS_ALMIF_Msk;
|
|
}
|
|
|
|
if(u32IntFlagMask & RTC_INTEN_TICKIEN_Msk)
|
|
{
|
|
RTC->INTEN &= ~RTC_INTEN_TICKIEN_Msk;
|
|
RTC->INTSTS = RTC_INTSTS_TICKIF_Msk;
|
|
}
|
|
|
|
if(u32IntFlagMask & RTC_INTEN_SNPDIEN_Msk)
|
|
{
|
|
RTC->INTEN &= ~RTC_INTEN_SNPDIEN_Msk;
|
|
RTC->INTSTS = RTC_INTSTS_SNPDIF_Msk;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @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_WaitAccessEnable();
|
|
|
|
RTC->SPRCTL |= RTC_SPRCTL_SPRRWEN_Msk;
|
|
|
|
while(!(RTC->SPRCTL & RTC_SPRCTL_SPRRWRDY_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_WaitAccessEnable();
|
|
|
|
RTC->SPRCTL &= ~RTC_SPRCTL_SPRRWEN_Msk;
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Snooper Pin Detect
|
|
*
|
|
* @param[in] u32PinCondition Snooper pin trigger condition. Possible options are
|
|
* - \ref RTC_SNOOPER_LOW_LEVEL
|
|
* - \ref RTC_SNOOPER_HIGH_LEVEL
|
|
* - \ref RTC_SNOOPER_FALLING_EDGE
|
|
* - \ref RTC_SNOOPER_RISING_EDGE
|
|
*
|
|
* @return None
|
|
*
|
|
* @details This API is used to enable the snooper pin detect function with specify trigger condition.
|
|
*/
|
|
void RTC_EnableSnooperDetection(uint32_t u32PinCondition)
|
|
{
|
|
RTC_WaitAccessEnable();
|
|
|
|
RTC->SPRCTL = ((RTC->SPRCTL & ~RTC_SNOOPER_DETECT_Msk) | u32PinCondition) | RTC_SPRCTL_SNPDEN_Msk;
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Snooper Pin Detect
|
|
*
|
|
* @param None
|
|
*
|
|
* @return None
|
|
*
|
|
* @details This API is used to disable the snooper pin detect function.
|
|
*/
|
|
void RTC_DisableSnooperDetection(void)
|
|
{
|
|
RTC_WaitAccessEnable();
|
|
|
|
RTC->SPRCTL &= ~RTC_SPRCTL_SNPDEN_Msk;
|
|
}
|
|
|
|
/*@}*/ /* end of group RTC_EXPORTED_FUNCTIONS */
|
|
|
|
/*@}*/ /* end of group RTC_Driver */
|
|
|
|
/*@}*/ /* end of group Standard_Driver */
|
|
|
|
/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/
|