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*******************************************************************************/


/* includes */
#include "mvCommon.h"
#include "mvOs.h"
#include "ctrlEnv/mvCtrlEnvSpec.h"
#include "mvSysRtcConfig.h"
#include "mvRtcReg.h"
#include "mvRtc.h"


/*******************************************************************************
* mvRtcTimeSet - Update the Real Time Clock.
*
* DESCRIPTION:
*       This function sets a new time and date to the RTC from the given
*       structure RTC_TIME . All fields within the structure must be assigned
*       with a value prior to the use of this function.
*
* INPUT:
*       time - A pointer to a structure RTC_TIME (defined in mv.h).
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvRtcTimeSet(MV_RTC_TIME *mvTime)
{
	MV_U32 timeVal = 0;
	MV_U32 dateVal = 0;
	MV_U32 tens;
	MV_U32 single;

	/* seconds */
	tens = mvTime->seconds / 10;
	single = mvTime->seconds % 10;
	timeVal |= ((tens << RTC_TIME_10SECONDS_SHF) & RTC_TIME_10SECONDS_MSK) |
		  ((single << RTC_TIME_SECONDS_SHF) & RTC_TIME_SECONDS_MSK);

	/* minutes */
	tens = mvTime->minutes / 10;
	single = mvTime->minutes % 10;
	timeVal |= ((tens  << RTC_TIME_10MINUTES_SHF) & RTC_TIME_10MINUTES_MSK) |
		  ((single << RTC_TIME_MINUTES_SHF) & RTC_TIME_MINUTES_MSK);

	/* hours (24) */
	tens = mvTime->hours / 10;
	single = mvTime->hours % 10;
	timeVal |= ((tens  << RTC_TIME_10HOUR_SHF) & RTC_TIME_10HOUR_MSK) |
		  ((single  << RTC_TIME_HOUR_SHF) & RTC_TIME_HOUR_MSK);

	/* day */
	single = ++(mvTime->day);
	timeVal |= ((single << RTC_TIME_DAY_SHF) & RTC_TIME_DAY_MSK);

	/* Update RTC Time Register */
	MV_REG_WRITE(RTC_TIME_REG, timeVal);

	/* date */
	tens = mvTime->date / 10;
	single = mvTime->date % 10;
	dateVal = ((tens  << RTC_DATE_10DAY_SHF) & RTC_DATE_10DAY_MSK) |
		  ((single << RTC_DATE_DAY_SHF) & RTC_DATE_DAY_MSK);

	/* month */
	tens = mvTime->month / 10;
	single = mvTime->month % 10;
	dateVal |= ((tens  << RTC_DATE_10MONTH_SHF) & RTC_DATE_10MONTH_MSK) |
		  ((single << RTC_DATE_MONTH_SHF) & RTC_DATE_MONTH_MSK);

	/* year */
	tens = mvTime->year / 10;
	single = mvTime->year % 10;
	dateVal |= ((tens  << RTC_DATE_10YEAR_SHF) & RTC_DATE_10YEAR_MSK) |
		  ((single << RTC_DATE_YEAR_SHF) & RTC_DATE_YEAR_MSK);

	/* Update RTC Date Register */
	MV_REG_WRITE(RTC_DATE_REG, dateVal);


	return;
}

/*******************************************************************************
* mvRtcTimeGet - Read the time from the RTC.
*
* DESCRIPTION:
*       This function reads the current time and date from the RTC into the
*       structure RTC_TIME (defined in mv.h).
*
* INPUT:
*       time - A pointer to a structure TIME (defined in mv.h).
*
* OUTPUT:
*       The structure RTC_TIME is updated with the time read from the RTC.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvRtcTimeGet(MV_RTC_TIME *mvTime)
{
	MV_U32 timeVal;
	MV_U32 dateVal;
	MV_U8 tens;
	MV_U8 single;

	/* read Time register */
	timeVal = MV_REG_READ(RTC_TIME_REG);

	/* seconds */
	tens = ((timeVal & RTC_TIME_10SECONDS_MSK) >> RTC_TIME_10SECONDS_SHF);
	single = ((timeVal & RTC_TIME_SECONDS_MSK) >> RTC_TIME_SECONDS_SHF);
	mvTime->seconds = 10*tens + single;

	/* minutes */
	tens = ((timeVal & RTC_TIME_10MINUTES_MSK) >> RTC_TIME_10MINUTES_SHF);
	single = ((timeVal & RTC_TIME_MINUTES_MSK) >> RTC_TIME_MINUTES_SHF);
	mvTime->minutes = 10*tens + single;

	/* hours */
	tens = ((timeVal & RTC_TIME_10HOUR_MSK) >> RTC_TIME_10HOUR_SHF);
	single = ((timeVal & RTC_TIME_HOUR_MSK) >> RTC_TIME_HOUR_SHF);
	mvTime->hours = 10*tens + single;

	/* day */
	mvTime->day = ((timeVal & RTC_TIME_DAY_MSK) >> RTC_TIME_DAY_SHF);
	mvTime->day--;

	/* read Date register */
	dateVal = MV_REG_READ(RTC_DATE_REG);

	/* day */
	tens = ((dateVal & RTC_DATE_10DAY_MSK) >> RTC_DATE_10DAY_SHF);
	single = ((dateVal & RTC_DATE_DAY_MSK) >> RTC_DATE_DAY_SHF);
	mvTime->date = 10*tens + single;

	/* month */
	tens = ((dateVal & RTC_DATE_10MONTH_MSK) >> RTC_DATE_10MONTH_SHF);
	single = ((dateVal & RTC_DATE_MONTH_MSK) >> RTC_DATE_MONTH_SHF);
	mvTime->month = 10*tens + single;

	/* year */
	tens = ((dateVal & RTC_DATE_10YEAR_MSK) >> RTC_DATE_10YEAR_SHF);
	single = ((dateVal  & RTC_DATE_YEAR_MSK) >> RTC_DATE_YEAR_SHF);
	mvTime->year = 10*tens + single;

	return;
}

/*******************************************************************************
* mvRtcInit - Initialize the clock.
*
* DESCRIPTION:
*       This function initialize the RTC integrated unit.
*
* INPUT:
*       None.
*
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvRtcInit(MV_VOID)
{
	return;
}