/*********************************************************************//**
* @brief Get current time value for each type time type
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Timetype Time Type, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @return Value of time according to specified time type
**********************************************************************/
uint32_t RTC_GetTime(LPC_RTC_Type *RTCx, uint32_t Timetype)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_TIMETYPE(Timetype));
switch (Timetype)
{
case RTC_TIMETYPE_SECOND:
return (RTCx->SEC & RTC_SEC_MASK);
case RTC_TIMETYPE_MINUTE:
return (RTCx->MIN & RTC_MIN_MASK);
case RTC_TIMETYPE_HOUR:
return (RTCx->HRS & RTC_HOUR_MASK);
case RTC_TIMETYPE_DAYOFWEEK:
return (RTCx->DOW & RTC_DOW_MASK);
case RTC_TIMETYPE_DAYOFMONTH:
return (RTCx->DOM & RTC_DOM_MASK);
case RTC_TIMETYPE_DAYOFYEAR:
return (RTCx->DOY & RTC_DOY_MASK);
case RTC_TIMETYPE_MONTH:
return (RTCx->MONTH & RTC_MONTH_MASK);
case RTC_TIMETYPE_YEAR:
return (RTCx->YEAR & RTC_YEAR_MASK);
default:
return (0);
}
}
/********************************************************************//**
* @brief Initializes the RTC peripheral.
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @return None
*********************************************************************/
void RTC_Init (LPC_RTC_Type *RTCx)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
// Configure clock to RTC
LPC_CREG->CREG0 &= ~((1<<3)|(1<<2)); // Reset 32Khz oscillator
LPC_CREG->CREG0 |= (1<<1)|(1<<0); // Enable 32 kHz & 1 kHz on osc32k and release reset
LPC_SCU->SFSCLK_0 = 1 | (0x3<<2); // function 1; CGU clk out, pull down
LPC_CGU->BASE_OUT_CLK = (CGU_CLKSRC_32KHZ_OSC<<24) |(1<<11); // base clock out use 32KHz crystal and auto block
do
{
/* Reset RTC clock*/
RTCx->CCR = RTC_CCR_CTCRST | RTC_CCR_CCALEN;
}
while(RTCx->CCR!=(RTC_CCR_CTCRST | RTC_CCR_CCALEN));
do
{
/* Finish resetting RTC clock*/
RTCx->CCR = RTC_CCR_CCALEN;
}
while(RTCx->CCR != RTC_CCR_CCALEN);
/* Clear counter increment and alarm interrupt */
RTCx->ILR = RTC_IRL_RTCCIF | RTC_IRL_RTCALF;
while(RTCx->ILR!=0);
// Clear all register to be default
RTCx->CIIR = 0x00;
RTCx->AMR = 0xFF;
RTCx->CALIBRATION = 0x00;
}
/*********************************************************************//**
* @brief Reset clock tick counter in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @return None
**********************************************************************/
void RTC_ResetClockTickCounter(LPC_RTC_Type *RTCx)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
RTCx->CCR |= RTC_CCR_CTCRST;
RTCx->CCR &= (~RTC_CCR_CTCRST) & RTC_CCR_BITMASK;
}
/*********************************************************************//**
* @brief Clear specified Location interrupt pending in
* RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] IntType Interrupt location type, should be:
* - RTC_INT_COUNTER_INCREASE :Clear Counter Increment Interrupt pending.
* - RTC_INT_ALARM :Clear alarm interrupt pending
* @return None
**********************************************************************/
void RTC_ClearIntPending (LPC_RTC_Type *RTCx, uint32_t IntType)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_INT(IntType));
RTCx->ILR = IntType;
}
/*********************************************************************//**
* @brief Check whether if specified Location interrupt in
* RTC peripheral is set or not
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] IntType Interrupt location type, should be:
* - RTC_INT_COUNTER_INCREASE: Counter Increment Interrupt block generated an interrupt.
* - RTC_INT_ALARM: Alarm generated an interrupt.
* @return New state of specified Location interrupt in RTC peripheral
* - SET
* - RESET
**********************************************************************/
IntStatus RTC_GetIntPending (LPC_RTC_Type *RTCx, uint32_t IntType)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_INT(IntType));
return ((RTCx->ILR & IntType) ? SET : RESET);
}
/*********************************************************************//**
* @brief Read value from General purpose registers
* @param[in] RTCx RTC peripheral selected, should be RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 4.
* @return Read Value
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
uint32_t RTC_ReadGPREG (RTC_TypeDef *RTCx, uint8_t Channel)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
/* FIXME return RTCx->GPREGn[Channel]; */
}
/*********************************************************************//**
* @brief Write value to General purpose registers
* @param[in] RTCx RTC peripheral selected, should be RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 4.
* @param[in] Value Value to write
* @return None
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
void RTC_WriteGPREG (RTC_TypeDef *RTCx, uint8_t Channel, uint32_t Value)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
/* FIXME RTCx->GPREGn[Channel] = Value; */
}
/*********************************************************************//**
* @brief Set current time value for each time type in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Timetype Time Type, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] TimeValue Time value to set
* @return None
**********************************************************************/
void RTC_SetTime (LPC_RTC_Type *RTCx, uint32_t Timetype, uint32_t TimeValue)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_TIMETYPE(Timetype));
switch ( Timetype)
{
case RTC_TIMETYPE_SECOND:
CHECK_PARAM(TimeValue <= RTC_SECOND_MAX);
RTCx->SEC = TimeValue & RTC_SEC_MASK;
break;
case RTC_TIMETYPE_MINUTE:
CHECK_PARAM(TimeValue <= RTC_MINUTE_MAX);
RTCx->MIN = TimeValue & RTC_MIN_MASK;
break;
case RTC_TIMETYPE_HOUR:
CHECK_PARAM(TimeValue <= RTC_HOUR_MAX);
RTCx->HRS = TimeValue & RTC_HOUR_MASK;
break;
case RTC_TIMETYPE_DAYOFWEEK:
CHECK_PARAM(TimeValue <= RTC_DAYOFWEEK_MAX);
RTCx->DOW = TimeValue & RTC_DOW_MASK;
break;
case RTC_TIMETYPE_DAYOFMONTH:
CHECK_PARAM((TimeValue <= RTC_DAYOFMONTH_MAX) \
&& (TimeValue >= RTC_DAYOFMONTH_MIN));
RTCx->DOM = TimeValue & RTC_DOM_MASK;
break;
case RTC_TIMETYPE_DAYOFYEAR:
CHECK_PARAM((TimeValue >= RTC_DAYOFYEAR_MIN) \
&& (TimeValue <= RTC_DAYOFYEAR_MAX));
RTCx->DOY = TimeValue & RTC_DOY_MASK;
break;
case RTC_TIMETYPE_MONTH:
CHECK_PARAM((TimeValue >= RTC_MONTH_MIN) \
&& (TimeValue <= RTC_MONTH_MAX));
RTCx->MONTH = TimeValue & RTC_MONTH_MASK;
break;
case RTC_TIMETYPE_YEAR:
CHECK_PARAM(TimeValue <= RTC_YEAR_MAX);
RTCx->YEAR = TimeValue & RTC_YEAR_MASK;
break;
}
}
/*********************************************************************//**
* @brief De-initializes the RTC peripheral registers to their
* default reset values.
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @return None
**********************************************************************/
void RTC_DeInit(LPC_RTC_TypeDef *RTCx)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
RTCx->CCR = 0x00;
// Disable power and clock for RTC module
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCRTC, DISABLE);
}
/*********************************************************************//**
* @brief Set alarm time value for each time type
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Timetype Time Type, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] ALValue Alarm time value to set
* @return None
**********************************************************************/
void RTC_SetAlarmTime (LPC_RTC_Type *RTCx, uint32_t Timetype, uint32_t ALValue)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
switch (Timetype)
{
case RTC_TIMETYPE_SECOND:
CHECK_PARAM(ALValue <= RTC_SECOND_MAX);
RTCx->ASEC = ALValue & RTC_SEC_MASK;
break;
case RTC_TIMETYPE_MINUTE:
CHECK_PARAM(ALValue <= RTC_MINUTE_MAX);
RTCx->AMIN = ALValue & RTC_MIN_MASK;
break;
case RTC_TIMETYPE_HOUR:
CHECK_PARAM(ALValue <= RTC_HOUR_MAX);
RTCx->AHRS = ALValue & RTC_HOUR_MASK;
break;
case RTC_TIMETYPE_DAYOFWEEK:
CHECK_PARAM(ALValue <= RTC_DAYOFWEEK_MAX);
RTCx->ADOW = ALValue & RTC_DOW_MASK;
break;
case RTC_TIMETYPE_DAYOFMONTH:
CHECK_PARAM((ALValue <= RTC_DAYOFMONTH_MAX) \
&& (ALValue >= RTC_DAYOFMONTH_MIN));
RTCx->ADOM = ALValue & RTC_DOM_MASK;
break;
case RTC_TIMETYPE_DAYOFYEAR:
CHECK_PARAM((ALValue >= RTC_DAYOFYEAR_MIN) \
&& (ALValue <= RTC_DAYOFYEAR_MAX));
RTCx->ADOY = ALValue & RTC_DOY_MASK;
break;
case RTC_TIMETYPE_MONTH:
CHECK_PARAM((ALValue >= RTC_MONTH_MIN) \
&& (ALValue <= RTC_MONTH_MAX));
RTCx->AMON = ALValue & RTC_MONTH_MASK;
break;
case RTC_TIMETYPE_YEAR:
CHECK_PARAM(ALValue <= RTC_YEAR_MAX);
RTCx->AYRS = ALValue & RTC_YEAR_MASK;
break;
}
}
/*********************************************************************//**
* @brief Set alarm time value for each time type
* @param[in] RTCx RTC peripheral selected, should be RTC
* @param[in] Timetype: Time Type, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] ALValue Alarm time value to set
* @return None
**********************************************************************/
void RTC_SetAlarmTime (RTC_TypeDef *RTCx, uint32_t Timetype, uint32_t ALValue)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
switch (Timetype)
{
case RTC_TIMETYPE_SECOND:
CHECK_PARAM(ALValue < RTC_SECOND_MAX);
RTCx->ALSEC = ALValue & RTC_SEC_MASK;
break;
case RTC_TIMETYPE_MINUTE:
CHECK_PARAM(ALValue < RTC_MINUTE_MAX);
RTCx->ALMIN = ALValue & RTC_MIN_MASK;
break;
case RTC_TIMETYPE_HOUR:
CHECK_PARAM(ALValue < RTC_HOUR_MAX);
RTCx->ALHOUR = ALValue & RTC_HOUR_MASK;
break;
case RTC_TIMETYPE_DAYOFWEEK:
CHECK_PARAM(ALValue < RTC_DAYOFWEEK_MAX);
RTCx->ALDOW = ALValue & RTC_DOW_MASK;
break;
case RTC_TIMETYPE_DAYOFMONTH:
CHECK_PARAM((ALValue < RTC_DAYOFMONTH_MAX) \
&& (ALValue > RTC_DAYOFMONTH_MIN));
RTCx->ALDOM = ALValue & RTC_DOM_MASK;
break;
case RTC_TIMETYPE_DAYOFYEAR:
CHECK_PARAM((ALValue > RTC_DAYOFYEAR_MIN) \
&& (ALValue < RTC_DAYOFYEAR_MAX));
RTCx->ALDOY = ALValue & RTC_DOY_MASK;
break;
case RTC_TIMETYPE_MONTH:
CHECK_PARAM((ALValue > RTC_MONTH_MIN) \
&& (ALValue < RTC_MONTH_MAX));
RTCx->ALMON = ALValue & RTC_MONTH_MASK; /* FIXME RTCx->ALMONTH = ALValue & RTC_MONTH_MASK; */
break;
case RTC_TIMETYPE_YEAR:
CHECK_PARAM(ALValue < RTC_YEAR_MAX);
RTCx->ALYEAR = ALValue & RTC_YEAR_MASK;
break;
}
}
/*********************************************************************//**
* @brief Configures Calibration in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] CalibValue Calibration value, should be in range from
* 0 to 131,072
* @param[in] CalibDir Calibration Direction, should be:
* - RTC_CALIB_DIR_FORWARD :Forward calibration
* - RTC_CALIB_DIR_BACKWARD :Backward calibration
* @return None
**********************************************************************/
void RTC_CalibConfig(LPC_RTC_Type *RTCx, uint32_t CalibValue, uint8_t CalibDir)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_CALIB_DIR(CalibDir));
CHECK_PARAM(CalibValue < RTC_CALIBRATION_MAX);
RTCx->CALIBRATION = ((CalibValue - 1) & RTC_CALIBRATION_CALVAL_MASK) \
| ((CalibDir == RTC_CALIB_DIR_BACKWARD) ? RTC_CALIBRATION_LIBDIR : 0);
}
/*********************************************************************//**
* @brief Write value to General purpose registers
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 4.
* @param[in] Value Value to write
* @return None
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
void RTC_WriteGPREG (LPC_RTC_TypeDef *RTCx, uint8_t Channel, uint32_t Value)
{
volatile uint32_t *preg;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
preg = (volatile uint32_t *)&RTCx->GPREG0;
preg += Channel;
*preg = Value;
}
/*********************************************************************//**
* @brief Write value to General purpose registers
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 63.
* @param[in] Value Value to write
* @return None
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
void RTC_WriteGPREG (LPC_RTC_Type *RTCx, uint8_t Channel, uint32_t Value)
{
uint32_t *preg;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
preg = (uint32_t *)RTC_GPREG_BASE;
preg += Channel;
*preg = Value;
}
/*********************************************************************//**
* @brief Enable/Disable Alarm interrupt for each time type
* in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] AlarmTimeType: Alarm Time Interrupt type,
* an matching of this type value below with current time
* in RTC will generates an interrupt, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] NewState New State of this function, should be:
* - ENABLE: Alarm interrupt for this time type are enabled
* - DISABLE: Alarm interrupt for this time type are disabled
* @return None
**********************************************************************/
void RTC_AlarmIntConfig (LPC_RTC_Type *RTCx, uint32_t AlarmTimeType, \
FunctionalState NewState)
{
uint32_t tem;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
CHECK_PARAM(PARAM_RTC_TIMETYPE(AlarmTimeType));
switch (AlarmTimeType)
{
case RTC_TIMETYPE_SECOND:
tem = (RTC_AMR_AMRSEC);
break;
case RTC_TIMETYPE_MINUTE:
tem = (RTC_AMR_AMRMIN);
break;
case RTC_TIMETYPE_HOUR:
tem = (RTC_AMR_AMRHOUR);
break;
case RTC_TIMETYPE_DAYOFWEEK:
tem = (RTC_AMR_AMRDOW);
break;
case RTC_TIMETYPE_DAYOFMONTH:
tem = (RTC_AMR_AMRDOM);
break;
case RTC_TIMETYPE_DAYOFYEAR:
tem = (RTC_AMR_AMRDOY);
break;
case RTC_TIMETYPE_MONTH:
tem = (RTC_AMR_AMRMON);
break;
case RTC_TIMETYPE_YEAR:
tem = (RTC_AMR_AMRYEAR);
break;
}
if (NewState == ENABLE)
{
//do
{
RTCx->AMR &= (~tem) & RTC_AMR_BITMASK;
}
//while(RTCx->AMR & tem);
}
else
{
//do
{
RTCx->AMR |= (tem);
}
//while((RTCx->AMR & tem)== 0);
}
}
/*********************************************************************//**
* @brief Enable/Disable Counter increment interrupt for each time type
* in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] CntIncrIntType: Counter Increment Interrupt type,
* an increment of this type value below will generates
* an interrupt, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] NewState New State of this function, should be:
* - ENABLE: Counter Increment interrupt for this time type are enabled
* - DISABLE: Counter Increment interrupt for this time type are disabled
* @return None
**********************************************************************/
void RTC_CntIncrIntConfig (LPC_RTC_Type *RTCx, uint32_t CntIncrIntType, \
FunctionalState NewState)
{
uint32_t tem;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
CHECK_PARAM(PARAM_RTC_TIMETYPE(CntIncrIntType));
switch (CntIncrIntType)
{
case RTC_TIMETYPE_SECOND:
tem = RTC_CIIR_IMSEC;
break;
case RTC_TIMETYPE_MINUTE:
tem = RTC_CIIR_IMMIN;
break;
case RTC_TIMETYPE_HOUR:
tem = RTC_CIIR_IMHOUR;
break;
case RTC_TIMETYPE_DAYOFWEEK:
tem = RTC_CIIR_IMDOW;
break;
case RTC_TIMETYPE_DAYOFMONTH:
tem = RTC_CIIR_IMDOM;
break;
case RTC_TIMETYPE_DAYOFYEAR:
tem = RTC_CIIR_IMDOY;
break;
case RTC_TIMETYPE_MONTH:
tem = RTC_CIIR_IMMON;
break;
case RTC_TIMETYPE_YEAR:
tem = RTC_CIIR_IMYEAR;
break;
}
if (NewState == ENABLE)
{
//do
{
RTCx->CIIR |= tem;
}
//while((RTCx->CIIR & tem)== 0);
}
else
{
//do
{
RTCx->CIIR &= (~tem) & RTC_CIIR_BITMASK;
}
//while(RTCx->CIIR & tem);
}
}
/*********************************************************************//**
* @brief Get full of alarm time in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] pFullTime Pointer to a RTC_TIME_Type structure that
* will be stored alarm time in full.
* @return None
**********************************************************************/
void RTC_GetFullAlarmTime (LPC_RTC_Type *RTCx, RTC_TIME_Type *pFullTime)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
pFullTime->DOM = RTCx->ADOM & RTC_DOM_MASK;
pFullTime->DOW = RTCx->ADOW & RTC_DOW_MASK;
pFullTime->DOY = RTCx->ADOY & RTC_DOY_MASK;
pFullTime->HOUR = RTCx->AHRS & RTC_HOUR_MASK;
pFullTime->MIN = RTCx->AMIN & RTC_MIN_MASK;
pFullTime->SEC = RTCx->ASEC & RTC_SEC_MASK;
pFullTime->MONTH = RTCx->AMON & RTC_MONTH_MASK;
pFullTime->YEAR = RTCx->AYRS & RTC_YEAR_MASK;
}
/*********************************************************************//**
* @brief Read value from General purpose registers
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 4.
* @return Read Value
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
uint32_t RTC_ReadGPREG (LPC_RTC_Type *RTCx, uint8_t Channel)
{
uint32_t *preg;
uint32_t value;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
preg = (uint32_t *)RTC_GPREG_BASE;
preg += Channel;
value = *preg;
return (value);
}
/*********************************************************************//**
* @brief Read value from General purpose registers
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] Channel General purpose registers Channel number,
* should be in range from 0 to 4.
* @return Read Value
* Note: These General purpose registers can be used to store important
* information when the main power supply is off. The value in these
* registers is not affected by chip reset.
**********************************************************************/
uint32_t RTC_ReadGPREG (LPC_RTC_TypeDef *RTCx, uint8_t Channel)
{
volatile uint32_t *preg;
uint32_t value;
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_RTC_GPREG_CH(Channel));
preg = (volatile uint32_t *)&RTCx->GPREG0;
preg += Channel;
value = *preg;
return (value);
}
/*********************************************************************//**
* @brief Set full of time in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] pFullTime Pointer to a RTC_TIME_Type structure that
* contains time value in full.
* @return None
**********************************************************************/
void RTC_SetFullTime (LPC_RTC_Type *RTCx, RTC_TIME_Type *pFullTime)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
RTCx->DOM = pFullTime->DOM & RTC_DOM_MASK;
RTCx->DOW = pFullTime->DOW & RTC_DOW_MASK;
RTCx->DOY = pFullTime->DOY & RTC_DOY_MASK;
RTCx->HRS = pFullTime->HOUR & RTC_HOUR_MASK;
RTCx->MIN = pFullTime->MIN & RTC_MIN_MASK;
RTCx->SEC = pFullTime->SEC & RTC_SEC_MASK;
RTCx->MONTH = pFullTime->MONTH & RTC_MONTH_MASK;
RTCx->YEAR = pFullTime->YEAR & RTC_YEAR_MASK;
}
/*********************************************************************//**
* @brief Get full of alarm time in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be RTC
* @param[in] pFullTime Pointer to a RTC_TIME_Type structure that
* will be stored alarm time in full.
* @return None
**********************************************************************/
void RTC_GetFullAlarmTime (RTC_TypeDef *RTCx, RTC_TIME_Type *pFullTime)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
pFullTime->DOM = RTCx->ALDOM & RTC_DOM_MASK;
pFullTime->DOW = RTCx->ALDOW & RTC_DOW_MASK;
pFullTime->DOY = RTCx->ALDOY & RTC_DOY_MASK;
pFullTime->HOUR = RTCx->ALHOUR & RTC_HOUR_MASK;
pFullTime->MIN = RTCx->ALMIN & RTC_MIN_MASK;
pFullTime->SEC = RTCx->ALSEC & RTC_SEC_MASK;
pFullTime->MONTH = RTCx->ALMON & RTC_MONTH_MASK; /* FIXME pFullTime->MONTH = RTCx->ALMONTH & RTC_MONTH_MASK; */
pFullTime->YEAR = RTCx->ALYEAR & RTC_YEAR_MASK;
}
/********************************************************************//**
* @brief Initializes the RTC peripheral.
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @return None
*********************************************************************/
void RTC_Init (LPC_RTC_TypeDef *RTCx)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
/* Set up clock and power for RTC module */
CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCRTC, ENABLE);
// Clear all register to be default
RTCx->ILR = 0x00;
RTCx->CCR = 0x00;
RTCx->CIIR = 0x00;
RTCx->AMR = 0xFF;
RTCx->CALIBRATION = 0x00;
}
/*********************************************************************//**
* @brief Enable/Disable calibration counter in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] NewState New State of this function, should be:
* - ENABLE: The calibration counter is enabled and counting
* - DISABLE: The calibration counter is disabled and reset to zero
* @return None
**********************************************************************/
void RTC_CalibCounterCmd(LPC_RTC_TypeDef *RTCx, FunctionalState NewState)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
if (NewState == ENABLE)
{
RTCx->CCR &= (~RTC_CCR_CCALEN) & RTC_CCR_BITMASK;
}
else
{
RTCx->CCR |= RTC_CCR_CCALEN;
}
}
/*********************************************************************//**
* @brief Start/Stop RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] NewState New State of this function, should be:
* - ENABLE :The time counters are enabled
* - DISABLE :The time counters are disabled
* @return None
**********************************************************************/
void RTC_Cmd (LPC_RTC_Type *RTCx, FunctionalState NewState)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
if (NewState == ENABLE)
{
do
{
RTCx->CCR |= RTC_CCR_CLKEN;
}
while((RTCx->CCR&RTC_CCR_CLKEN)==0);
}
else
{
RTCx->CCR &= (~RTC_CCR_CLKEN) & RTC_CCR_BITMASK;
}
}
/*********************************************************************//**
* @brief De-initializes the RTC peripheral registers to their
* default reset values.
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @return None
**********************************************************************/
void RTC_DeInit(LPC_RTC_Type *RTCx)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
RTCx->CCR = 0x00;
}
void RTC_AlarmConfig (LPC_RTC_TypeDef *RTCx, uint32_t AlarmTimeMask)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
RTCx->AMR = ~AlarmTimeMask & RTC_AMR_BITMASK;
}
/*********************************************************************//**
* @brief Enable/Disable Counter increment interrupt for each time type
* in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] CntIncrIntType: Counter Increment Interrupt type,
* an increment of this type value below will generates
* an interrupt, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] NewState New State of this function, should be:
* - ENABLE: Counter Increment interrupt for this
* time type are enabled
* - DISABLE: Counter Increment interrupt for this
* time type are disabled
* @return None
**********************************************************************/
void RTC_CntIncrIntConfig (LPC_RTC_TypeDef *RTCx, uint32_t CntIncrIntType, \
FunctionalState NewState)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
CHECK_PARAM(PARAM_RTC_TIMETYPE(CntIncrIntType));
if (NewState == ENABLE)
{
switch (CntIncrIntType)
{
case RTC_TIMETYPE_SECOND:
RTCx->CIIR |= RTC_CIIR_IMSEC;
break;
case RTC_TIMETYPE_MINUTE:
RTCx->CIIR |= RTC_CIIR_IMMIN;
break;
case RTC_TIMETYPE_HOUR:
RTCx->CIIR |= RTC_CIIR_IMHOUR;
break;
case RTC_TIMETYPE_DAYOFWEEK:
RTCx->CIIR |= RTC_CIIR_IMDOW;
break;
case RTC_TIMETYPE_DAYOFMONTH:
RTCx->CIIR |= RTC_CIIR_IMDOM;
break;
case RTC_TIMETYPE_DAYOFYEAR:
RTCx->CIIR |= RTC_CIIR_IMDOY;
break;
case RTC_TIMETYPE_MONTH:
RTCx->CIIR |= RTC_CIIR_IMMON;
break;
case RTC_TIMETYPE_YEAR:
RTCx->CIIR |= RTC_CIIR_IMYEAR;
break;
}
}
else
{
switch (CntIncrIntType)
{
case RTC_TIMETYPE_SECOND:
RTCx->CIIR &= (~RTC_CIIR_IMSEC) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_MINUTE:
RTCx->CIIR &= (~RTC_CIIR_IMMIN) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_HOUR:
RTCx->CIIR &= (~RTC_CIIR_IMHOUR) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFWEEK:
RTCx->CIIR &= (~RTC_CIIR_IMDOW) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFMONTH:
RTCx->CIIR &= (~RTC_CIIR_IMDOM) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFYEAR:
RTCx->CIIR &= (~RTC_CIIR_IMDOY) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_MONTH:
RTCx->CIIR &= (~RTC_CIIR_IMMON) & RTC_CIIR_BITMASK;
break;
case RTC_TIMETYPE_YEAR:
RTCx->CIIR &= (~RTC_CIIR_IMYEAR) & RTC_CIIR_BITMASK;
break;
}
}
}
/*********************************************************************//**
* @brief Enable/Disable Alarm interrupt for each time type
* in RTC peripheral
* @param[in] RTCx RTC peripheral selected, should be LPC_RTC
* @param[in] AlarmTimeType: Alarm Time Interrupt type,
* an matching of this type value below with current time
* in RTC will generates an interrupt, should be:
* - RTC_TIMETYPE_SECOND
* - RTC_TIMETYPE_MINUTE
* - RTC_TIMETYPE_HOUR
* - RTC_TIMETYPE_DAYOFWEEK
* - RTC_TIMETYPE_DAYOFMONTH
* - RTC_TIMETYPE_DAYOFYEAR
* - RTC_TIMETYPE_MONTH
* - RTC_TIMETYPE_YEAR
* @param[in] NewState New State of this function, should be:
* - ENABLE: Alarm interrupt for this
* time type are enabled
* - DISABLE: Alarm interrupt for this
* time type are disabled
* @return None
**********************************************************************/
void RTC_AlarmIntConfig (LPC_RTC_TypeDef *RTCx, uint32_t AlarmTimeType, \
FunctionalState NewState)
{
CHECK_PARAM(PARAM_RTCx(RTCx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
CHECK_PARAM(PARAM_RTC_TIMETYPE(AlarmTimeType));
if (NewState == ENABLE)
{
switch (AlarmTimeType)
{
case RTC_TIMETYPE_SECOND:
RTCx->AMR &= (~RTC_AMR_AMRSEC) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_MINUTE:
RTCx->AMR &= (~RTC_AMR_AMRMIN) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_HOUR:
RTCx->AMR &= (~RTC_AMR_AMRHOUR) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFWEEK:
RTCx->AMR &= (~RTC_AMR_AMRDOW) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFMONTH:
RTCx->AMR &= (~RTC_AMR_AMRDOM) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_DAYOFYEAR:
RTCx->AMR &= (~RTC_AMR_AMRDOY) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_MONTH:
RTCx->AMR &= (~RTC_AMR_AMRMON) & RTC_AMR_BITMASK;
break;
case RTC_TIMETYPE_YEAR:
RTCx->AMR &= (~RTC_AMR_AMRYEAR) & RTC_AMR_BITMASK;
break;
}
}
else
{
switch (AlarmTimeType)
{
case RTC_TIMETYPE_SECOND:
RTCx->AMR |= (RTC_AMR_AMRSEC);
break;
case RTC_TIMETYPE_MINUTE:
RTCx->AMR |= (RTC_AMR_AMRMIN);
break;
case RTC_TIMETYPE_HOUR:
RTCx->AMR |= (RTC_AMR_AMRHOUR);
break;
case RTC_TIMETYPE_DAYOFWEEK:
RTCx->AMR |= (RTC_AMR_AMRDOW);
break;
case RTC_TIMETYPE_DAYOFMONTH:
RTCx->AMR |= (RTC_AMR_AMRDOM);
break;
case RTC_TIMETYPE_DAYOFYEAR:
RTCx->AMR |= (RTC_AMR_AMRDOY);
break;
case RTC_TIMETYPE_MONTH:
RTCx->AMR |= (RTC_AMR_AMRMON);
break;
case RTC_TIMETYPE_YEAR:
RTCx->AMR |= (RTC_AMR_AMRYEAR);
break;
}
}
}
