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rt-thread-official/bsp/nuvoton/libraries/nuc980/Driver/Source/nu_rtc.c

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Update nuvoton porting. 1. Make up sources and bugfix. 2. Add nu_gpio_pin_get. 3. Add PM operator in USB host driver. 4. Support NUC980 stage 1 and add nk-980iot board.
2020-12-21 14:34:01 +08:00
/**************************************************************************//**
* @file rtc.c
* @version V3.00
* $Revision: 5 $
* $Date: 14/06/10 5:49p $
* @brief NUC980 series RTC driver source file
*
* @note
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "nu_rtc.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 Standard_Driver Standard Driver
@{
*/
/** @addtogroup RTC_Driver RTC Driver
@{
*/
/** @addtogroup RTC_EXPORTED_FUNCTIONS RTC Exported Functions
@{
*/
/**
* @brief Initialize RTC module and start counting
*
* @param[in] sPt Specify the time property and current date and time. It includes: \n
* u32Year: Year value, range between 2000 ~ 2099. \n
* u32Month: Month value, range between 1 ~ 12. \n
* u32Day: Day value, range between 1 ~ 31. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value, range between 0 ~ 23. \n
* u32Minute: Minute value, range between 0 ~ 59. \n
* u32Second: Second value, range between 0 ~ 59. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @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;
RTC_Check();
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)
{
outp32(REG_CLK_PCLKEN0, inp32(REG_CLK_PCLKEN0 & ~(0x1 << 1)));
}
/**
* @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 i32RegInt, i32RegFra;
UINT32 u32Reg;
/* Compute integer and fraction for RTC FCR register */
i32RegInt = (i32FrequencyX100 / 100) - RTC_FCR_REFERENCE;
i32RegFra = (((i32FrequencyX100 % 100)) * 60) / 100;
/* Judge Integer part is reasonable */
if (i32RegInt < 0) i32RegInt = 0;
if (i32RegInt > 15) i32RegInt = 15;
u32Reg = (uint32_t)((i32RegInt << 8) | i32RegFra);
RTC_WaitAccessEnable();
outp32(REG_RTC_FREQADJ, u32Reg);
RTC_Check();
}
/**
* @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_WaitAccessEnable();
RTC->CLKFMT &= ~RTC_CLKFMT_24HEN_Msk;
RTC_Check();
/*-------------------------------------------------------------------------------------------------*/
/* Important, range of 12-hour PM mode is 21 up to 32 */
/*-------------------------------------------------------------------------------------------------*/
if (sPt->u32AmPm == RTC_PM)
{
sPt->u32Hour += 20ul;
}
}
else
{
RTC_WaitAccessEnable();
RTC->CLKFMT |= RTC_CLKFMT_24HEN_Msk;
RTC_Check();
}
/* Set Day of the Week */
RTC_WaitAccessEnable();
RTC->WEEKDAY = sPt->u32DayOfWeek;
RTC_Check();
/*-----------------------------------------------------------------------------------------------------*/
/* 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_Check();
RTC_WaitAccessEnable();
RTC->TIME = (uint32_t)u32RegTIME;
RTC_Check();
}
}
/**
* @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;
}
RTC_Check();
/*-----------------------------------------------------------------------------------------------------*/
/* 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);
u32RegCALM |= (sPt->u32DayOfWeek << 24);
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_Check();
RTC_WaitAccessEnable();
RTC->TALM = (uint32_t)u32RegTALM;
RTC_Check();
}
}
/**
* @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;
RTC_Check();
/* Set RTC Calender Loading */
RTC_WaitAccessEnable();
RTC->CAL = (uint32_t)u32RegCAL;
RTC_Check();
}
/**
* @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_Check();
RTC_WaitAccessEnable();
RTC->TIME = (uint32_t)u32RegTIME;
RTC_Check();
}
/**
* @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.
* @param[in] u32DayOfWeek The day of week
*
* @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 u32DayOfWeek)
{
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);
u32RegCALM |= (u32DayOfWeek << 24);
RTC_WaitAccessEnable();
/* Set RTC Alarm Date */
RTC->CALM = (uint32_t)u32RegCALM;
RTC_Check();
}
/**
* @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;
}
RTC_Check();
/* Set RTC Alarm Time */
RTC_WaitAccessEnable();
RTC->TALM = (uint32_t)u32RegTALM;
RTC_Check();
}
/**
* @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;
RTC_Check();
}
/**
* @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
*
* @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;
RTC_Check();
if (u32IntFlagMask & RTC_INTEN_ALMIEN_Msk)
{
RTC_WaitAccessEnable();
RTC->PWRCTL |= RTC_PWRCTL_ALARM_EN_Msk;
RTC_Check();
}
if (u32IntFlagMask & RTC_INTEN_RELALMIEN_Msk)
{
RTC_WaitAccessEnable();
RTC->PWRCTL |= RTC_PWRCTL_REL_ALARM_EN_Msk;
RTC_Check();
}
}
/**
* @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
*
* @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_Check();
RTC_WaitAccessEnable();
RTC->INTSTS = u32IntFlagMask;
RTC_Check();
}
/**
* @brief Wait RTC Access Enable
*
* @param None
*
* @return None
*
* @details This function is used to enable the maximum RTC read/write accessible time.
*/
void RTC_WaitAccessEnable(void)
{
INT32 volatile i32i;
RTC_Check();
outp32(REG_RTC_RWEN, RTC_WRITE_KEY);
RTC_Check();
while (!(inp32(REG_RTC_RWEN) & 0x10000));
}
void RTC_Check(void)
{
uint32_t i = 0;
uint32_t Wait;
Wait = inp32(REG_RTC_INTSTS) & RTC_INTSTS_REGWRBUSY_Msk;
while (Wait == RTC_INTSTS_REGWRBUSY_Msk)
{
Wait = inp32(REG_RTC_INTSTS) & RTC_INTSTS_REGWRBUSY_Msk;
i++;
if (i > RTC_WAIT_COUNT)
{
//printf("Time out\n");
break;
}
}
}
/*@}*/ /* end of group RTC_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group RTC_Driver */
/*@}*/ /* end of group Standard_Driver */
/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/