/**************************************************************************//** * @file rtc.c * @version V1.00 * $Revision: 11 $ * $Date: 15/06/26 1:26p $ * @brief Nano100 series RTC driver source file * * @note * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include #include "Nano100Series.h" /*---------------------------------------------------------------------------------------------------------*/ /* Includes of local headers */ /*---------------------------------------------------------------------------------------------------------*/ /** @addtogroup NANO100_Device_Driver NANO100 Device Driver @{ */ /** @addtogroup NANO100_RTC_Driver RTC Driver @{ */ /// @cond HIDDEN_SYMBOLS /*---------------------------------------------------------------------------------------------------------*/ /* Macro, type and constant definitions */ /*---------------------------------------------------------------------------------------------------------*/ #define RTC_GLOBALS /*---------------------------------------------------------------------------------------------------------*/ /* Global file scope (static) variables */ /*---------------------------------------------------------------------------------------------------------*/ static volatile uint32_t g_u32Reg, g_u32Reg1,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 NANO100_RTC_EXPORTED_FUNCTIONS RTC Exported Functions @{ */ /** * @brief Set Frequency Compensation Data * * @param[in] i32FrequencyX100 Specify the RTC clock X100, ex: 3277365 means 32773.65. * * @return None * */ void RTC_32KCalibration(int32_t i32FrequencyX100) { int32_t i32RegInt,i32RegFra ; /* Compute Integer and Fraction for RTC register*/ i32RegInt = (i32FrequencyX100/100) - RTC_FCR_REFERENCE; i32RegFra = (((i32FrequencyX100%100)) * 60) / 100; /* Judge Integer part is reasonable */ if ( (i32RegInt < 0) | (i32RegInt > 15) ) { return; } RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->FCR = (uint32_t)((i32RegInt<<8) | i32RegFra); } /** * @brief This function is used to write initial key to let RTC start count and set current time. * * * @param[in] sPt \n * Specify the time property and current time. Null pointer for using default starting time. It includes: \n * u32Year: Year value. \n * u32Month: Month value. \n * u32Day: Day value. \n * u32DayOfWeek: Day of week. [ \ref RTC_SUNDAY / \ref RTC_MONDAY / \ref RTC_TUESDAY / * \ref RTC_WEDNESDAY / \ref RTC_THURSDAY / \ref RTC_FRIDAY / * \ref RTC_SATURDAY] \n * u32Hour: Hour value. \n * u32Minute: Minute value. \n * u32Second: Second value. \n * u32TimeScale: [ \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24] \n * u8AmPm: [ \ref RTC_AM / \ref RTC_PM] \n * * @return None * */ void RTC_Open (S_RTC_TIME_DATA_T *sPt) { uint32_t u32Reg; volatile int32_t i32delay=1000; RTC->INIR = RTC_INIT_KEY; if(RTC->INIR != 0x1) { RTC->INIR = RTC_INIT_KEY; while(RTC->INIR != 0x1); } if(sPt == NULL) return; /*-----------------------------------------------------------------------------------------------------*/ /* Second, set RTC 24/12 hour setting */ /*-----------------------------------------------------------------------------------------------------*/ if (sPt->u32TimeScale == RTC_CLOCK_12) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->TSSR &= ~RTC_TSSR_24H_12H_Msk; /*-------------------------------------------------------------------------------------------------*/ /* important, range of 12-hour PM mode is 21 upto 32 */ /*-------------------------------------------------------------------------------------------------*/ if (sPt->u32AmPm == RTC_PM) sPt->u32Hour += 20; } else { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->TSSR |= RTC_TSSR_24H_12H_Msk; } /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC Calender Loading */ /*-----------------------------------------------------------------------------------------------------*/ u32Reg = ((sPt->u32Year - RTC_YEAR2000) / 10) << 20; u32Reg |= (((sPt->u32Year - RTC_YEAR2000) % 10) << 16); u32Reg |= ((sPt->u32Month / 10) << 12); u32Reg |= ((sPt->u32Month % 10) << 8); u32Reg |= ((sPt->u32Day / 10) << 4); u32Reg |= (sPt->u32Day % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->CLR = (uint32_t)g_u32Reg; /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC Time Loading */ /*-----------------------------------------------------------------------------------------------------*/ u32Reg = ((sPt->u32Hour / 10) << 20); u32Reg |= ((sPt->u32Hour % 10) << 16); u32Reg |= ((sPt->u32Minute / 10) << 12); u32Reg |= ((sPt->u32Minute % 10) << 8); u32Reg |= ((sPt->u32Second / 10) << 4); u32Reg |= (sPt->u32Second % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->TLR = (uint32_t)g_u32Reg; RTC->DWR = sPt->u32DayOfWeek; /* Waiting for RTC settings stable */ while(i32delay--); } /** * @brief Read current date/time from RTC setting * * @param[out] sPt \n * Specify the time property and current time. 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: \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24 \n * u8AmPm: \ref RTC_AM / \ref RTC_PM \n * * @return None * */ void RTC_GetDateAndTime(S_RTC_TIME_DATA_T *sPt) { uint32_t u32Tmp; sPt->u32TimeScale = RTC->TSSR & RTC_TSSR_24H_12H_Msk; /* 12/24-hour */ sPt->u32DayOfWeek = RTC->DWR & RTC_DWR_DWR_Msk; /* Day of week */ g_u32hiYear = (RTC->CLR & RTC_CLR_10YEAR_Msk) >> RTC_CLR_10YEAR_Pos; g_u32loYear = (RTC->CLR & RTC_CLR_1YEAR_Msk) >> RTC_CLR_1YEAR_Pos; g_u32hiMonth = (RTC->CLR & RTC_CLR_10MON_Msk) >> RTC_CLR_10MON_Pos; g_u32loMonth = (RTC->CLR & RTC_CLR_1MON_Msk) >> RTC_CLR_1MON_Pos; g_u32hiDay = (RTC->CLR & RTC_CLR_10DAY_Msk) >> RTC_CLR_10DAY_Pos; g_u32loDay = (RTC->CLR & RTC_CLR_1DAY_Msk); g_u32hiHour = (RTC->TLR & RTC_TLR_10HR_Msk) >> RTC_TLR_10HR_Pos; g_u32loHour = (RTC->TLR & RTC_TLR_1HR_Msk) >> RTC_TLR_1HR_Pos; g_u32hiMin = (RTC->TLR & RTC_TLR_10MIN_Msk) >> RTC_TLR_10MIN_Pos; g_u32loMin = (RTC->TLR & RTC_TLR_1MIN_Msk) >> RTC_TLR_1MIN_Pos; g_u32hiSec = (RTC->TLR & RTC_TLR_10SEC_Msk) >> RTC_TLR_10SEC_Pos; g_u32loSec = (RTC->TLR & RTC_TLR_1SEC_Msk); u32Tmp = (g_u32hiYear * 10); /* Compute to 20XX year */ u32Tmp += g_u32loYear; sPt->u32Year = u32Tmp + RTC_YEAR2000; u32Tmp = (g_u32hiMonth * 10); /* Compute 0~12 month */ sPt->u32Month = u32Tmp + g_u32loMonth; u32Tmp = (g_u32hiDay * 10); /* Compute 0~31 day */ sPt->u32Day = u32Tmp + g_u32loDay; if (sPt->u32TimeScale == RTC_CLOCK_12) { /* Compute12/24 hour */ u32Tmp = (g_u32hiHour * 10); u32Tmp+= g_u32loHour; sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */ if (sPt->u32Hour >= 21) { sPt->u32AmPm = RTC_PM; sPt->u32Hour -= 20; } else { sPt->u32AmPm = RTC_AM; } u32Tmp = (g_u32hiMin * 10); u32Tmp+= g_u32loMin; sPt->u32Minute = u32Tmp; u32Tmp = (g_u32hiSec * 10); u32Tmp+= g_u32loSec; sPt->u32Second = u32Tmp; } else { u32Tmp = (g_u32hiHour * 10); u32Tmp += g_u32loHour; sPt->u32Hour = u32Tmp; u32Tmp = (g_u32hiMin * 10); u32Tmp += g_u32loMin; sPt->u32Minute = u32Tmp; u32Tmp = (g_u32hiSec * 10); u32Tmp += g_u32loSec; sPt->u32Second = u32Tmp; } } /** * @brief Read alarm date/time from RTC setting * * @param[out] sPt \n * Specify the time property and current time. 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: \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24 \n * u8AmPm: \ref RTC_AM / \ref RTC_PM \n * * @return None * */ void RTC_GetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt) { uint32_t u32Tmp; sPt->u32TimeScale = RTC->TSSR & RTC_TSSR_24H_12H_Msk; /* 12/24-hour */ sPt->u32DayOfWeek = RTC->DWR & RTC_DWR_DWR_Msk; /* Day of week */ RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); g_u32hiYear = (RTC->CAR & RTC_CAR_10YEAR_Msk) >> RTC_CAR_10YEAR_Pos; g_u32loYear = (RTC->CAR & RTC_CAR_1YEAR_Msk) >> RTC_CAR_1YEAR_Pos; g_u32hiMonth = (RTC->CAR & RTC_CAR_10MON_Msk) >> RTC_CAR_10MON_Pos; g_u32loMonth = (RTC->CAR & RTC_CAR_1MON_Msk) >> RTC_CAR_1MON_Pos; g_u32hiDay = (RTC->CAR & RTC_CAR_10DAY_Msk) >> RTC_CAR_10DAY_Pos; g_u32loDay = (RTC->CAR & RTC_CAR_1DAY_Msk); RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); g_u32hiHour = (RTC->TAR & RTC_TAR_10HR_Msk) >> RTC_TAR_10HR_Pos; g_u32loHour = (RTC->TAR & RTC_TAR_1HR_Msk) >> RTC_TAR_1HR_Pos; g_u32hiMin = (RTC->TAR & RTC_TAR_10MIN_Msk) >> RTC_TAR_10MIN_Pos; g_u32loMin = (RTC->TAR & RTC_TAR_1MIN_Msk) >> RTC_TAR_1MIN_Pos; g_u32hiSec = (RTC->TAR & RTC_TAR_10SEC_Msk) >> RTC_TAR_10SEC_Pos; g_u32loSec = (RTC->TAR & RTC_TAR_1SEC_Msk); u32Tmp = (g_u32hiYear * 10); /* Compute to 20XX year */ u32Tmp += g_u32loYear; sPt->u32Year = u32Tmp + RTC_YEAR2000; u32Tmp = (g_u32hiMonth * 10); /* Compute 0~12 month */ sPt->u32Month = u32Tmp + g_u32loMonth; u32Tmp = (g_u32hiDay * 10); /* Compute 0~31 day */ sPt->u32Day = u32Tmp + g_u32loDay; if (sPt->u32TimeScale == RTC_CLOCK_12) { /* Compute12/24 hour */ u32Tmp = (g_u32hiHour * 10); u32Tmp += g_u32loHour; sPt->u32Hour = u32Tmp; /* AM: 1~12. PM: 21~32. */ if (sPt->u32Hour >= 21) { sPt->u32AmPm = RTC_PM; sPt->u32Hour -= 20; } else { sPt->u32AmPm = RTC_AM; } u32Tmp = (g_u32hiMin * 10); u32Tmp += g_u32loMin; sPt->u32Minute = u32Tmp; u32Tmp = (g_u32hiSec * 10); u32Tmp += g_u32loSec; sPt->u32Second = u32Tmp; } else { u32Tmp = (g_u32hiHour * 10); u32Tmp += g_u32loHour; sPt->u32Hour = u32Tmp; u32Tmp = (g_u32hiMin * 10); u32Tmp+= g_u32loMin; sPt->u32Minute = u32Tmp; u32Tmp = (g_u32hiSec * 10); u32Tmp += g_u32loSec; sPt->u32Second = u32Tmp; } } /** * @brief This function is used to update date/time to RTC. * * @param[in] sPt \n * Specify the time property and current time. It includes: \n * u32Year: Year value. \n * u32Month: Month value. \n * u32Day: Day value. \n * u32DayOfWeek: Day of week. [ \ref RTC_SUNDAY / \ref RTC_MONDAY / \ref RTC_TUESDAY / * \ref RTC_WEDNESDAY / \ref RTC_THURSDAY / \ref RTC_FRIDAY / * \ref RTC_SATURDAY] \n * u32Hour: Hour value. \n * u32Minute: Minute value. \n * u32Second: Second value. \n * u32TimeScale: [ \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24] \n * u8AmPm: [ \ref RTC_AM / \ref RTC_PM] \n * * * @return None * * */ void RTC_SetDateAndTime(S_RTC_TIME_DATA_T *sPt) { uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); if (sPt->u32TimeScale == RTC_CLOCK_12) { RTC->TSSR &= ~RTC_TSSR_24H_12H_Msk; /*-----------------------------------------------------------------------------------------*/ /* important, range of 12-hour PM mode is 21 upto 32 */ /*-----------------------------------------------------------------------------------------*/ if (sPt->u32AmPm == RTC_PM) sPt->u32Hour += 20; } else { RTC->TSSR |= RTC_TSSR_24H_12H_Msk; } RTC->DWR = sPt->u32DayOfWeek & RTC_DWR_DWR_Msk; u32Reg = ((sPt->u32Year - RTC_YEAR2000) / 10) << 20; u32Reg |= (((sPt->u32Year - RTC_YEAR2000) % 10) << 16); u32Reg |= ((sPt->u32Month / 10) << 12); u32Reg |= ((sPt->u32Month % 10) << 8); u32Reg |= ((sPt->u32Day / 10) << 4); u32Reg |= (sPt->u32Day % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->CLR = (uint32_t)g_u32Reg; u32Reg = ((sPt->u32Hour / 10) << 20); u32Reg |= ((sPt->u32Hour % 10) << 16); u32Reg |= ((sPt->u32Minute / 10) << 12); u32Reg |= ((sPt->u32Minute % 10) << 8); u32Reg |= ((sPt->u32Second / 10) << 4); u32Reg |= (sPt->u32Second % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->TLR = (uint32_t)g_u32Reg; } /** * @brief This function is used to set alarm date/time to RTC. * * @param[in] sPt \n * Specify the time property and current time. It includes: \n * u32Year: Year value. \n * u32Month: Month value. \n * u32Day: Day value. \n * u32DayOfWeek: Day of week. [ \ref RTC_SUNDAY / \ref RTC_MONDAY / \ref RTC_TUESDAY / * \ref RTC_WEDNESDAY / \ref RTC_THURSDAY / \ref RTC_FRIDAY / * \ref RTC_SATURDAY] \n * u32Hour: Hour value. \n * u32Minute: Minute value. \n * u32Second: Second value. \n * u32TimeScale: [ \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24] \n * u8AmPm: [ \ref RTC_AM / \ref RTC_PM] \n * * @return None * */ void RTC_SetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt) { uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); if (sPt->u32TimeScale == RTC_CLOCK_12) { RTC->TSSR &= ~RTC_TSSR_24H_12H_Msk; /*-----------------------------------------------------------------------------------------*/ /* important, range of 12-hour PM mode is 21 upto 32 */ /*-----------------------------------------------------------------------------------------*/ if (sPt->u32AmPm == RTC_PM) sPt->u32Hour += 20; } else { RTC->TSSR |= RTC_TSSR_24H_12H_Msk; } RTC->DWR = sPt->u32DayOfWeek & RTC_DWR_DWR_Msk; u32Reg = ((sPt->u32Year - RTC_YEAR2000) / 10) << 20; u32Reg |= (((sPt->u32Year - RTC_YEAR2000) % 10) << 16); u32Reg |= ((sPt->u32Month / 10) << 12); u32Reg |= ((sPt->u32Month % 10) << 8); u32Reg |= ((sPt->u32Day / 10) << 4); u32Reg |= (sPt->u32Day % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->CAR = (uint32_t)g_u32Reg; u32Reg = ((sPt->u32Hour / 10) << 20); u32Reg |= ((sPt->u32Hour % 10) << 16); u32Reg |= ((sPt->u32Minute / 10) << 12); u32Reg |= ((sPt->u32Minute % 10) << 8); u32Reg |= ((sPt->u32Second / 10) << 4); u32Reg |= (sPt->u32Second % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->TAR = (uint32_t)g_u32Reg; } /** * @brief This function is used to update date to RTC * * @param[in] u32Year The Year Calendar Digit of Alarm Setting * @param[in] u32Month The Month Calendar Digit of Alarm Setting * @param[in] u32Day The Day Calendar Digit of Alarm Setting * @param[in] u32DayOfWeek The Day of Week. [ \ref RTC_SUNDAY / \ref RTC_MONDAY / \ref RTC_TUESDAY / * \ref RTC_WEDNESDAY / \ref RTC_THURSDAY / \ref RTC_FRIDAY / * \ref RTC_SATURDAY] * * @return None * */ void RTC_SetDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day, uint32_t u32DayOfWeek) { __IO uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->DWR = u32DayOfWeek & RTC_DWR_DWR_Msk; u32Reg = ((u32Year - RTC_YEAR2000) / 10) << 20; u32Reg |= (((u32Year - RTC_YEAR2000) % 10) << 16); u32Reg |= ((u32Month / 10) << 12); u32Reg |= ((u32Month % 10) << 8); u32Reg |= ((u32Day / 10) << 4); u32Reg |= (u32Day % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->CLR = (uint32_t)g_u32Reg; } /** * @brief This function is used to update time to RTC. * * @param[in] u32Hour The Hour Time Digit of Alarm Setting. * @param[in] u32Minute The Minute Time Digit of Alarm Setting * @param[in] u32Second The Second Time Digit of Alarm Setting * @param[in] u32TimeMode The 24-Hour / 12-Hour Time Scale Selection. [ \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24] * @param[in] u32AmPm 12-hour time scale with AM and PM indication. Only Time Scale select 12-hour used. [ \ref RTC_AM / \ref RTC_PM] * * @return None * */ void RTC_SetTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm) { __IO uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); if (u32TimeMode == RTC_CLOCK_12) { RTC->TSSR &= ~RTC_TSSR_24H_12H_Msk; if (u32AmPm == RTC_PM) /* important, range of 12-hour PM mode is 21 upto 32 */ u32Hour += 20; } else if(u32TimeMode == RTC_CLOCK_24) { RTC->TSSR |= RTC_TSSR_24H_12H_Msk; } u32Reg = ((u32Hour / 10) << 20); u32Reg |= ((u32Hour % 10) << 16); u32Reg |= ((u32Minute / 10) << 12); u32Reg |= ((u32Minute % 10) << 8); u32Reg |= ((u32Second / 10) << 4); u32Reg |= (u32Second % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)); RTC->TLR = (uint32_t)g_u32Reg; } /** * @brief This function is used to set alarm date to RTC * * @param[in] u32Year The Year Calendar Digit of Alarm Setting * @param[in] u32Month The Month Calendar Digit of Alarm Setting * @param[in] u32Day The Day Calendar Digit of Alarm Setting * * @return None * */ void RTC_SetAlarmDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day) { __IO uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; u32Reg = ((u32Year - RTC_YEAR2000) / 10) << 20; u32Reg |= (((u32Year - RTC_YEAR2000) % 10) << 16); u32Reg |= ((u32Month / 10) << 12); u32Reg |= ((u32Month % 10) << 8); u32Reg |= ((u32Day / 10) << 4); u32Reg |= (u32Day % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->CAR = (uint32_t)g_u32Reg; } /** * @brief This function is used to set alarm date to RTC * * @param[in] u32Hour The Hour Time Digit of Alarm Setting. * @param[in] u32Minute The Month Calendar Digit of Alarm Setting * @param[in] u32Second The Day Calendar Digit of Alarm Setting * @param[in] u32TimeMode The 24-Hour / 12-Hour Time Scale Selection. [ \ref RTC_CLOCK_12 / \ref RTC_CLOCK_24] * @param[in] u32AmPm 12-hour time scale with AM and PM indication. Only Time Scale select 12-hour used. [ \ref RTC_AM / \ref RTC_PM] * * @return None * */ void RTC_SetAlarmTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm) { __IO uint32_t u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; if (u32TimeMode == RTC_CLOCK_12) { RTC->TSSR &= ~RTC_TSSR_24H_12H_Msk; if (u32AmPm == RTC_PM) /* important, range of 12-hour PM mode is 21 upto 32 */ u32Hour += 20; } else if(u32TimeMode == RTC_CLOCK_24) { RTC->TSSR |= RTC_TSSR_24H_12H_Msk; } u32Reg = ((u32Hour / 10) << 20); u32Reg |= ((u32Hour % 10) << 16); u32Reg |= ((u32Minute / 10) << 12); u32Reg |= ((u32Minute % 10) << 8); u32Reg |= ((u32Second / 10) << 4); u32Reg |= (u32Second % 10); g_u32Reg = u32Reg; RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->TAR = (uint32_t)g_u32Reg; } /** * @brief This function is used to enable tamper detection function and set tamper control register, interrupt. * * @param[in] u32PinCondition set tamper detection condition: 1=Falling detect, 0=Rising detect * * @return None * */ void RTC_EnableTamperDetection(uint32_t u32PinCondition) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; /* detection edge select */ if(u32PinCondition) RTC->SPRCTL |= RTC_SPRCTL_SNOOPEDGE_Msk; else RTC->SPRCTL &= ~RTC_SPRCTL_SNOOPEDGE_Msk; while(!(RTC->SPRCTL & RTC_SPRCTL_SPRRDY_Msk)); /* enable snooper pin event detection */ RTC->SPRCTL |= RTC_SPRCTL_SNOOPEN_Msk; while(!(RTC->SPRCTL & RTC_SPRCTL_SPRRDY_Msk)); } /** * @brief This function is used to disable tamper detection function. * * @param None * * @return None * */ void RTC_DisableTamperDetection(void) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->SPRCTL &= ~RTC_SPRCTL_SNOOPEN_Msk; } /** * @brief This function is used to get day of week. * * @param None * * @return Day of week * */ uint32_t RTC_GetDayOfWeek(void) { return (RTC->DWR & RTC_DWR_DWR_Msk); } /** * @brief The function is used to set time tick period for periodic time tick Interrupt. * * @param[in] u32TickSelection * It is used to set the RTC time tick period for Periodic Time Tick Interrupt request. * It consists of: \n * \ref RTC_TICK_1_SEC : Time tick is 1 second \n * \ref RTC_TICK_1_2_SEC : Time tick is 1/2 second \n * \ref RTC_TICK_1_4_SEC : Time tick is 1/4 second \n * \ref RTC_TICK_1_8_SEC : Time tick is 1/8 second \n * \ref RTC_TICK_1_16_SEC : Time tick is 1/16 second \n * \ref RTC_TICK_1_32_SEC : Time tick is 1/32 second \n * \ref RTC_TICK_1_64_SEC : Time tick is 1/64 second \n * \ref RTC_TICK_1_128_SEC : Time tick is 1/128 second * * @return None * */ void RTC_SetTickPeriod(uint32_t u32TickSelection) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->TTR = RTC->TTR & ~RTC_TTR_TTR_Msk | u32TickSelection; } /** * @brief The function is used to enable specified interrupt. * * @param[in] u32IntFlagMask The structure of interrupt source. It consists of: \n * \ref RTC_RIER_AIER_Msk : Alarm interrupt \n * \ref RTC_RIER_TIER_Msk : Tick interrupt \n * \ref RTC_RIER_SNOOPIER_Msk : Snooper Pin Event Detection Interrupt\n * * @return None * */ void RTC_EnableInt(uint32_t u32IntFlagMask) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; RTC->RIER |= u32IntFlagMask; } /** * @brief The function is used to disable specified interrupt. * * @param[in] u32IntFlagMask The structure of interrupt source. It consists of: \n * \ref RTC_RIER_AIER_Msk : Alarm interrupt \n * \ref RTC_RIER_TIER_Msk : Tick interrupt \n * \ref RTC_RIER_SNOOPIER_Msk : Snooper Pin Event Detection Interrupt\n * * @return None * */ void RTC_DisableInt(uint32_t u32IntFlagMask) { RTC->AER = RTC_WRITE_KEY; while(!(RTC->AER & RTC_AER_ENF_Msk)) RTC->AER = RTC_WRITE_KEY; if(u32IntFlagMask & RTC_RIER_TIER_Msk) { RTC->RIER &= ~RTC_RIER_TIER_Msk; RTC->RIIR = RTC_RIIR_TIF_Msk; } if(u32IntFlagMask & RTC_RIER_AIER_Msk) { RTC->RIER &= ~RTC_RIER_AIER_Msk; RTC->RIIR = RTC_RIIR_AIF_Msk; } if(u32IntFlagMask & RTC_RIER_SNOOPIER_Msk) { RTC->RIER &= ~RTC_RIER_SNOOPIER_Msk; RTC->RIIR = RTC_RIIR_SNOOPIF_Msk; } } /** * @brief Disable RTC clock. * * @return None * */ void RTC_Close (void) { CLK->APBCLK &= ~CLK_APBCLK_RTC_EN_Msk; } /*@}*/ /* end of group NANO100_RTC_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group NANO100_RTC_Driver */ /*@}*/ /* end of group NANO100_Device_Driver */ /*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/