/**************************************************************************//** * @file rtc.c * @version V3.00 * $Revision: 5 $ * $Date: 14/06/10 5:49p $ * @brief M480 series RTC driver source file * * @note * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include "M480.h" /** @cond HIDDEN_SYMBOLS */ /*---------------------------------------------------------------------------------------------------------*/ /* Macro, type and constant definitions */ /*---------------------------------------------------------------------------------------------------------*/ #define RTC_GLOBALS /*---------------------------------------------------------------------------------------------------------*/ /* 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 M480_Device_Driver M480 Device Driver @{ */ /** @addtogroup M480_RTC_Driver RTC Driver @{ */ /** @addtogroup M480_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 * * @return None * * @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 * @note Null pointer for using default starting date/time. */ void RTC_Open(S_RTC_TIME_DATA_T *sPt) { 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(sPt == 0) { } else { /* Set RTC date and time */ RTC_SetDateAndTime(sPt); } } /** * @brief Disable RTC Clock * * @param None * * @return None * * @details This API will disable RTC peripheral clock and stops RTC counting. */ void RTC_Close(void) { CLK->APBCLK0 &= ~CLK_APBCLK0_RTCCKEN_Msk; } /** * @brief Set Frequency Compensation Data * * @param[in] i32FrequencyX10000 Specify the RTC clock X10000, ex: 327736512 means 32773.6512. * * @return None * */ void RTC_32KCalibration(int32_t i32FrequencyX10000) { uint64_t u64Compensate; u64Compensate = (uint64_t)(0x2710000000000); u64Compensate = (uint64_t)(u64Compensate / (uint64_t)i32FrequencyX10000); if(u64Compensate >= (uint64_t)0x400000) { u64Compensate = (uint64_t)0x3FFFFF; } RTC_WaitAccessEnable(); RTC->FREQADJ = (uint32_t)u64Compensate; } /** * @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 + 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 == 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 = RTC_PM; sPt->u32Hour -= 20ul; } else { sPt->u32AmPm = 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 */ RTC_WaitAccessEnable(); 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 */ RTC_WaitAccessEnable(); 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 + 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 == 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 = RTC_PM; sPt->u32Hour -= 20ul; } else { sPt->u32AmPm = 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 == 0ul) { } else { /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC 24/12 hour setting and Day of the Week */ /*-----------------------------------------------------------------------------------------------------*/ RTC_WaitAccessEnable(); if(sPt->u32TimeScale == RTC_CLOCK_12) { RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk; /*-------------------------------------------------------------------------------------------------*/ /* Important, range of 12-hour PM mode is 21 up to 32 */ /*-------------------------------------------------------------------------------------------------*/ if(sPt->u32AmPm == RTC_PM) { sPt->u32Hour += 20ul; } } else { RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk; } /* Set Day of the Week */ RTC_WaitAccessEnable(); RTC->WEEKDAY = sPt->u32DayOfWeek; /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC Current Date and Time */ /*-----------------------------------------------------------------------------------------------------*/ u32RegCAL = ((sPt->u32Year - RTC_YEAR2000) / 10ul) << 20; u32RegCAL |= (((sPt->u32Year - 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_WaitAccessEnable(); RTC->CAL = (uint32_t)u32RegCAL; RTC_WaitAccessEnable(); 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) { } else { /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC 24/12 hour setting and Day of the Week */ /*-----------------------------------------------------------------------------------------------------*/ RTC_WaitAccessEnable(); if(sPt->u32TimeScale == RTC_CLOCK_12) { RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk; /*-------------------------------------------------------------------------------------------------*/ /* Important, range of 12-hour PM mode is 21 up to 32 */ /*-------------------------------------------------------------------------------------------------*/ if(sPt->u32AmPm == RTC_PM) { sPt->u32Hour += 20ul; } } else { RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk; } /*-----------------------------------------------------------------------------------------------------*/ /* Set RTC Alarm Date and Time */ /*-----------------------------------------------------------------------------------------------------*/ u32RegCALM = ((sPt->u32Year - RTC_YEAR2000) / 10ul) << 20; u32RegCALM |= (((sPt->u32Year - 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_WaitAccessEnable(); RTC->CALM = (uint32_t)u32RegCALM; RTC_WaitAccessEnable(); 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) / 10ul) << 20; u32RegCAL |= (((u32Year - 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_WaitAccessEnable(); RTC->WEEKDAY = u32DayOfWeek & RTC_WEEKDAY_WEEKDAY_Msk; /* Set RTC Calender Loading */ RTC_WaitAccessEnable(); 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 += 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 */ /*-----------------------------------------------------------------------------------------------------*/ RTC_WaitAccessEnable(); if(u32TimeMode == RTC_CLOCK_12) { RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk; } else { RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk; } RTC_WaitAccessEnable(); 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) / 10ul) << 20; u32RegCALM |= (((u32Year - RTC_YEAR2000) % 10ul) << 16); u32RegCALM |= ((u32Month / 10ul) << 12); u32RegCALM |= ((u32Month % 10ul) << 8); u32RegCALM |= ((u32Day / 10ul) << 4); u32RegCALM |= (u32Day % 10ul); 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 += 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 */ /*-----------------------------------------------------------------------------------------------------*/ 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_WaitAccessEnable(); 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: * - \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_WaitAccessEnable(); 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 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP2IEN_Msk : Tamper 2 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP3IEN_Msk : Tamper 3 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP4IEN_Msk : Tamper 4 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP5IEN_Msk : Tamper 5 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_WaitAccessEnable(); 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 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP2IEN_Msk : Tamper 2 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP3IEN_Msk : Tamper 3 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP4IEN_Msk : Tamper 4 Pin Event Detection interrupt * - \ref RTC_INTEN_TAMP5IEN_Msk : Tamper 5 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_WaitAccessEnable(); RTC->INTEN &= ~u32IntFlagMask; RTC_WaitAccessEnable(); 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_WaitAccessEnable(); 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_WaitAccessEnable(); RTC->SPRCTL &= ~RTC_SPRCTL_SPRRWEN_Msk; } /** * @brief Static Tamper Detect * * @param[in] u32TamperSelect Tamper pin select. Possible options are * - \ref RTC_TAMPER5_SELECT * - \ref RTC_TAMPER4_SELECT * - \ref RTC_TAMPER3_SELECT * - \ref RTC_TAMPER2_SELECT * - \ref RTC_TAMPER1_SELECT * - \ref RTC_TAMPER0_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. */ void RTC_StaticTamperEnable(uint32_t u32TamperSelect, uint32_t u32DetecLevel, uint32_t u32DebounceEn) { uint32_t i; uint32_t u32Reg; uint32_t u32TmpReg; RTC_WaitAccessEnable(); u32Reg = RTC->TAMPCTL; u32TmpReg = ( RTC_TAMPCTL_TAMP0EN_Msk | (u32DetecLevel << RTC_TAMPCTL_TAMP0LV_Pos) | (u32DebounceEn << RTC_TAMPCTL_TAMP0DBEN_Pos) ); for(i = 0ul; i < 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_WaitAccessEnable(); RTC->TAMPCTL = u32Reg; } /** * @brief Static Tamper Disable * * @param[in] u32TamperSelect Tamper pin select. Possible options are * - \ref RTC_TAMPER5_SELECT * - \ref RTC_TAMPER4_SELECT * - \ref RTC_TAMPER3_SELECT * - \ref RTC_TAMPER2_SELECT * - \ref RTC_TAMPER1_SELECT * - \ref RTC_TAMPER0_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; RTC_WaitAccessEnable(); u32Reg = RTC->TAMPCTL; u32TmpReg = (RTC_TAMPCTL_TAMP0EN_Msk); for(i = 0ul; i < MAX_TAMPER_PIN_NUM; i++) { if(u32TamperSelect & (0x1ul << i)) { u32Reg &= ~(u32TmpReg << (i*4ul)); } } RTC_WaitAccessEnable(); 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; RTC_WaitAccessEnable(); u32Reg = RTC->TAMPCTL; 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 < 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 & RTC_PAIR1_SELECT)) { u32Reg &= ~RTC_TAMPCTL_TAMP2EN_Msk; u32Reg |= u32Tamper2Debounce; } if((u32Pair2Source) && (u32PairSel & RTC_PAIR2_SELECT)) { u32Reg &= ~RTC_TAMPCTL_TAMP4EN_Msk; u32Reg |= u32Tamper4Debounce; } RTC_WaitAccessEnable(); 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; RTC_WaitAccessEnable(); u32Reg = RTC->TAMPCTL; if((u32Reg & RTC_TAMPCTL_DYN1ISS_Msk) && (u32PairSel & RTC_PAIR1_SELECT)) { u32Tamper2En = u32Reg & RTC_TAMPCTL_TAMP2EN_Msk; } if((u32Reg & RTC_TAMPCTL_DYN2ISS_Msk) && (u32PairSel & 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 < MAX_PAIR_NUM; i++) { if(u32PairSel & (0x1ul << i)) { u32Reg &= ~(u32TmpReg << ((i*8ul))); } } u32Reg |= (u32Tamper2En | u32Tamper4En); RTC_WaitAccessEnable(); RTC->TAMPCTL = u32Reg; } /** * @brief Config 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 REF_RANDOM_PATTERN * - \ref REF_PREVIOUS_PATTERN * - \ref REF_SEED * * @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; RTC_WaitAccessEnable(); 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 & 0x3ul) << RTC_TAMPCTL_DYNSRC_Pos); RTC_WaitAccessEnable(); RTC->TAMPSEED = u32Seed; /* need set seed value before re-load seed */ RTC->TAMPCTL = u32Reg; } /*@}*/ /* end of group M480_RTC_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group M480_RTC_Driver */ /*@}*/ /* end of group M480_Device_Driver */ /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/