/**
 * \file
 *
 * \brief Real-Time Clock (RTC) driver for SAM.
 *
 * Copyright (c) 2011 - 2012 Atmel Corporation. All rights reserved.
 *
 * \asf_license_start
 *
 * \page License
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The name of Atmel may not be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 4. This software may only be redistributed and used in connection with an
 *    Atmel microcontroller product.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * \asf_license_stop
 *
 */

#include "rtc.h"

/// @cond 0
/**INDENT-OFF**/
#ifdef __cplusplus
extern "C" {
#endif
/**INDENT-ON**/
/// @endcond

/**
 * \defgroup sam_drivers_rtc_group Real-Time Clock (RTC)
 *
 * See \ref sam_rtc_quickstart.
 *
 * The RTC provides a full binary-coded decimal (BCD) clock that includes 
 * century (19/20), year (with leap years), month, date, day, hour, minute
 * and second.
 *
 * @{
 */

/* RTC Write Protect Key "RTC" in ASCII */
#define RTC_WP_KEY     (0x525443)

/* The BCD code shift value */
#define BCD_SHIFT 4

/* The BCD code mask value */
#define BCD_MASK 0xfu

/* The BCD mul/div factor value */
#define BCD_FACTOR 10

/**
 * \brief Set the RTC hour mode.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_mode 1 for 12-hour mode, 0 for 24-hour mode. 
 */
void rtc_set_hour_mode(Rtc *p_rtc, uint32_t ul_mode)
{
	if (ul_mode) {
		p_rtc->RTC_MR |= RTC_MR_HRMOD;
	} else {
		p_rtc->RTC_MR &= (~RTC_MR_HRMOD);
	}
}

/**
 * \brief Get the RTC hour mode.
 *
 * \param p_rtc Pointer to an RTC instance.
 *
 * \return 1 for 12-hour mode, 0 for 24-hour mode.
 */
uint32_t rtc_get_hour_mode(Rtc *p_rtc)
{
	uint32_t ul_temp = p_rtc->RTC_MR;

	if (ul_temp & RTC_MR_HRMOD) {
		return 1;
	} else {
		return 0;
	}
}

/**
 * \brief Enable RTC interrupts.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_sources Interrupts to be enabled.
 */
void rtc_enable_interrupt(Rtc *p_rtc, uint32_t ul_sources)
{
	p_rtc->RTC_IER = ul_sources;
}

/**
 * \brief Disable RTC interrupts.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_sources Interrupts to be disabled.
 */
void rtc_disable_interrupt(Rtc *p_rtc, uint32_t ul_sources)
{
	p_rtc->RTC_IDR = ul_sources;
}

/**
 * \brief Read RTC interrupt mask.
 *
 * \param p_rtc Pointer to an RTC instance.
 *
 * \return The interrupt mask value.
 */
uint32_t rtc_get_interrupt_mask(Rtc *p_rtc)
{
	return p_rtc->RTC_IMR;
}

/**
 * \brief Get the RTC time value.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param pul_hour Current hour, 24-hour mode. 
 * \param pul_minute Current minute.
 * \param pul_second Current second. 
 */
void rtc_get_time(Rtc *p_rtc, uint32_t *pul_hour, uint32_t *pul_minute, 
		uint32_t *pul_second)
{
	uint32_t ul_time;
	uint32_t ul_temp;

	/* Get the current RTC time (multiple reads are necessary to insure a stable value). */
	ul_time = p_rtc->RTC_TIMR;
	while (ul_time != p_rtc->RTC_TIMR) {
		ul_time = p_rtc->RTC_TIMR;
	}

	/* Hour */
	if (pul_hour) {
		ul_temp = (ul_time & RTC_TIMR_HOUR_Msk) >> RTC_TIMR_HOUR_Pos;
		*pul_hour = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);

		if ((ul_time & RTC_TIMR_AMPM) == RTC_TIMR_AMPM) {
			*pul_hour += 12;
		}
	}

	/* Minute */
	if (pul_minute) {
		ul_temp = (ul_time & RTC_TIMR_MIN_Msk) >> RTC_TIMR_MIN_Pos;
		*pul_minute = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
	}

	/* Second */
	if (pul_second) {
		ul_temp = (ul_time & RTC_TIMR_SEC_Msk) >> RTC_TIMR_SEC_Pos;
		*pul_second = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
	}
}

/**
 * \brief Set the RTC time value.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_hour Current hour, 24-hour mode. 
 * \param ul_minute Current minute.
 * \param ul_second Current second.
 *
 * \return 0 for OK, else invalid setting.
 */
uint32_t rtc_set_time(Rtc *p_rtc, uint32_t ul_hour, uint32_t ul_minute,
		uint32_t ul_second)
{
	uint32_t ul_time = 0;

	/* If 12-hour mode, set AMPM bit */
	if ((p_rtc->RTC_MR & RTC_MR_HRMOD) == RTC_MR_HRMOD) {
		if (ul_hour > 12) {
			ul_hour -= 12;
			ul_time |= RTC_TIMR_AMPM;
		}
	}

	/* Hour */
	ul_time |= ((ul_hour / BCD_FACTOR) << (RTC_TIMR_HOUR_Pos + BCD_SHIFT)) |
					((ul_hour % BCD_FACTOR) << RTC_TIMR_HOUR_Pos);

	/* Minute */
	ul_time |= ((ul_minute / BCD_FACTOR) << (RTC_TIMR_MIN_Pos + BCD_SHIFT)) |
					((ul_minute % BCD_FACTOR) << RTC_TIMR_MIN_Pos);

	/* Second */
	ul_time |= ((ul_second / BCD_FACTOR) << (RTC_TIMR_SEC_Pos + BCD_SHIFT)) |
					((ul_second % BCD_FACTOR) << RTC_TIMR_SEC_Pos);

	/* Update time register. Check the spec for the flow. */
	p_rtc->RTC_CR |= RTC_CR_UPDTIM;
	while ((p_rtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD);
	p_rtc->RTC_SCCR = RTC_SCCR_ACKCLR;
	p_rtc->RTC_TIMR = ul_time;
	p_rtc->RTC_CR &= (~RTC_CR_UPDTIM);
	p_rtc->RTC_SCCR |= RTC_SCCR_SECCLR;

	return (p_rtc->RTC_VER & RTC_VER_NVTIM);
}

/**
 * \brief Set the RTC alarm time value.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_hour_flag 1 for setting, 0 for not setting. 
 * \param ul_hour Alarm hour value, 24-hour mode.
 * \param ul_minute_flag 1 for setting, 0 for not setting.
 * \param ul_minute Alarm minute value.
 * \param ul_second_flag 1 for setting, 0 for not setting.
 * \param ul_second Alarm second value.
 *
 * \return 0 for OK, else invalid setting.
 */
uint32_t rtc_set_time_alarm(Rtc *p_rtc,
		uint32_t ul_hour_flag, uint32_t ul_hour,
		uint32_t ul_minute_flag, uint32_t ul_minute,
		uint32_t ul_second_flag, uint32_t ul_second)
{
	uint32_t ul_alarm = 0;

	/* Hour alarm setting */
	if (ul_hour_flag) {
		/* If 12-hour mode, set AMPM bit */
		if ((p_rtc->RTC_MR & RTC_MR_HRMOD) == RTC_MR_HRMOD) {
			if (ul_hour > 12) {
				ul_hour -= 12;
				ul_alarm |= RTC_TIMR_AMPM;
			}
		}

		ul_alarm |= RTC_TIMALR_HOUREN | ((ul_hour / BCD_FACTOR) <<
						(RTC_TIMR_HOUR_Pos + BCD_SHIFT)) |
						((ul_hour % BCD_FACTOR) << RTC_TIMR_HOUR_Pos);
	}

	/* Minute alarm setting */
	if (ul_minute_flag) {
		ul_alarm |= RTC_TIMALR_MINEN | ((ul_minute / BCD_FACTOR) <<
						(RTC_TIMR_MIN_Pos + BCD_SHIFT)) |
						((ul_minute % BCD_FACTOR) << RTC_TIMR_MIN_Pos);
	}

	/* Second alarm setting */
	if (ul_second_flag) {
		ul_alarm |= RTC_TIMALR_SECEN | ((ul_second / BCD_FACTOR) <<
						(RTC_TIMR_SEC_Pos + BCD_SHIFT)) |
						((ul_second % BCD_FACTOR) << RTC_TIMR_SEC_Pos);
	}

	p_rtc->RTC_TIMALR = ul_alarm;

	return (p_rtc->RTC_VER & RTC_VER_NVTIMALR);
}

/**
 * \brief Get the RTC date value.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param pul_year Current year. 
 * \param pul_month Current month.
 * \param pul_day Current day.
 * \param pul_week Current day in current week. 
 */
void rtc_get_date(Rtc *p_rtc, uint32_t *pul_year, uint32_t *pul_month,
		uint32_t *pul_day, uint32_t *pul_week)
{
	uint32_t ul_date;
	uint32_t ul_cent;
	uint32_t ul_temp;

	/* Get the current date (multiple reads are necessary to insure a stable value). */
	ul_date = p_rtc->RTC_CALR;
	while (ul_date != p_rtc->RTC_CALR) {
		ul_date = p_rtc->RTC_CALR;
	}

	/* Retrieve year */
	if (pul_year) {
		ul_temp = (ul_date & RTC_CALR_CENT_Msk) >> RTC_CALR_CENT_Pos;
		ul_cent = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
		ul_temp = (ul_date & RTC_CALR_YEAR_Msk) >> RTC_CALR_YEAR_Pos;
		*pul_year = (ul_cent * BCD_FACTOR * BCD_FACTOR) +
						(ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
	}

	/* Retrieve month */
	if (pul_month) {
		ul_temp = (ul_date & RTC_CALR_MONTH_Msk) >> RTC_CALR_MONTH_Pos;
		*pul_month = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
	}

	/* Retrieve day */
	if (pul_day) {
		ul_temp = (ul_date & RTC_CALR_DATE_Msk) >> RTC_CALR_DATE_Pos;
		*pul_day = (ul_temp >> BCD_SHIFT) * BCD_FACTOR +
						(ul_temp & BCD_MASK);
	}

	/* Retrieve week */
	if (pul_week) {
		*pul_week = ((ul_date & RTC_CALR_DAY_Msk) >> RTC_CALR_DAY_Pos);
	}
}

/**
 * \brief Set the RTC date.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_year Current year. 
 * \param ul_month Current month.
 * \param ul_day Current day.
 * \param ul_week Current day in current week.
 *
 * \return 0 for OK, else invalid setting.
 */
uint32_t rtc_set_date(Rtc *p_rtc, uint32_t ul_year, uint32_t ul_month,
		uint32_t ul_day, uint32_t ul_week)
{
	uint32_t ul_date = 0;

	/* Cent */
	ul_date |= ((ul_year / BCD_FACTOR / BCD_FACTOR / BCD_FACTOR) <<
					(RTC_CALR_CENT_Pos + BCD_SHIFT) |
					((ul_year / BCD_FACTOR / BCD_FACTOR) % BCD_FACTOR) <<
					RTC_CALR_CENT_Pos);

	/* Year */
	ul_date |= (((ul_year / BCD_FACTOR) % BCD_FACTOR) <<
					(RTC_CALR_YEAR_Pos + BCD_SHIFT)) |
					((ul_year % BCD_FACTOR) << RTC_CALR_YEAR_Pos);

	/* Month */
	ul_date |= ((ul_month / BCD_FACTOR) << (RTC_CALR_MONTH_Pos + BCD_SHIFT)) |
					((ul_month % BCD_FACTOR) << RTC_CALR_MONTH_Pos);

	/* Week */
	ul_date |= (ul_week << RTC_CALR_DAY_Pos);

	/* Day */
	ul_date |= ((ul_day / BCD_FACTOR) << (RTC_CALR_DATE_Pos + BCD_SHIFT)) |
					((ul_day % BCD_FACTOR) << RTC_CALR_DATE_Pos);

	/* Update calendar register. Check the spec for the flow. */
	p_rtc->RTC_CR |= RTC_CR_UPDCAL;
	while ((p_rtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD);

	p_rtc->RTC_SCCR = RTC_SCCR_ACKCLR;
	p_rtc->RTC_CALR = ul_date;
	p_rtc->RTC_CR &= (~RTC_CR_UPDCAL);
	/* Clear SECENV in SCCR */
	p_rtc->RTC_SCCR |= RTC_SCCR_SECCLR;

	return (p_rtc->RTC_VER & RTC_VER_NVCAL);
}

/**
 * \brief Set the RTC alarm date value.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_month_flag 1 for setting, 0 for not setting. 
 * \param ul_month Alarm month value.
 * \param ul_day_flag 1 for setting, 0 for not setting.
 * \param ul_day Alarm day value.
 *
 * \return 0 for OK, else invalid setting.
 */
uint32_t rtc_set_date_alarm(Rtc *p_rtc,
		uint32_t ul_month_flag, uint32_t ul_month,
		uint32_t ul_day_flag, uint32_t ul_day)
{
	uint32_t ul_alarm = 0;

	/* Month alarm setting */
	if (ul_month_flag) {
		ul_alarm |= RTC_CALALR_MTHEN | ((ul_month / BCD_FACTOR) <<
						(RTC_CALR_MONTH_Pos + BCD_SHIFT)) |
						((ul_month % BCD_FACTOR) << RTC_CALR_MONTH_Pos);
	}

	/* Day alarm setting */
	if (ul_day_flag) {
		ul_alarm |= RTC_CALALR_DATEEN | ((ul_day / BCD_FACTOR) <<
						(RTC_CALR_DATE_Pos + BCD_SHIFT)) |
						((ul_day % BCD_FACTOR) << RTC_CALR_DATE_Pos);
	}

	/* Set alarm */
	p_rtc->RTC_CALALR = ul_alarm;

	return (p_rtc->RTC_VER & RTC_VER_NVCALALR);
}

/**
 * \brief Clear the RTC time alarm setting.
 *
 * \param p_rtc Pointer to an RTC instance. 
 */
void rtc_clear_time_alarm(Rtc *p_rtc)
{
	p_rtc->RTC_TIMALR = 0;
}

/**
 * \brief Clear the RTC data alarm setting.
 *
 * \param p_rtc Pointer to an RTC instance. 
 */
void rtc_clear_data_alarm(Rtc *p_rtc)
{
	/* Need a valid value without enabling */
	p_rtc->RTC_CALALR = RTC_CALALR_MONTH(0x01) | RTC_CALALR_DATE(0x01);
}

/**
 * \brief Get the RTC status.
 *
 * \param p_rtc Pointer to an RTC instance. 
 *
 * \return Status of the RTC.
 */
uint32_t rtc_get_status(Rtc *p_rtc)
{
	return (p_rtc->RTC_SR);
}

/**
 * \brief Set the RTC SCCR to clear status bits.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_clear Some flag bits which will be cleared. 
 */
void rtc_clear_status(Rtc *p_rtc, uint32_t ul_clear)
{
	p_rtc->RTC_SCCR = ul_clear;
}

#if ((SAM3S8) || (SAM3SD8) || (SAM4S))
/**
 * \brief Set the RTC calendar mode.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_mode 1 for Persian mode,0 for Gregorian mode. 
 */
void rtc_set_calendar_mode(Rtc *p_rtc, uint32_t ul_mode)
{
	if (ul_mode) {
		p_rtc->RTC_MR |= RTC_MR_PERSIAN;
	} else {
		p_rtc->RTC_MR &= (~RTC_MR_PERSIAN);
	}
}

/**
 * \brief Set the RTC calibration.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_direction_ppm Positive/negative correction.
 * \param ul_correction Correction value.
 * \param ul_range_ppm Low/high range correction. 
 */
void rtc_set_calibration(Rtc *p_rtc, uint32_t ul_direction_ppm,
		uint32_t ul_correction, uint32_t ul_range_ppm)
{
	uint32_t ul_temp;

	ul_temp = p_rtc->RTC_MR;

	if (ul_direction_ppm) {
		ul_temp |= RTC_MR_NEGPPM;
	} else {
		ul_temp &= (~RTC_MR_NEGPPM);
	}

	ul_temp |= RTC_MR_CORRECTION(ul_correction);

	if (ul_range_ppm) {
		ul_temp |= RTC_MR_HIGHPPM;
	} else {
		ul_temp &= (~RTC_MR_HIGHPPM);
	}

	p_rtc->RTC_MR = ul_temp;
}

/**
 * \brief Set the RTC output waveform.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_channel Output channel selection.
 * \param ul_value Output source selection value. 
 */
void rtc_set_waveform(Rtc *p_rtc, uint32_t ul_channel, uint32_t ul_value)
{
	if (ul_channel == 0) {
		switch (ul_value) {
		case 0:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_NO_WAVE;
			break;

		case 1:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ1HZ;
			break;

		case 2:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ32HZ;
			break;

		case 3:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ64HZ;
			break;

		case 4:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ512HZ;
			break;

		case 5:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_ALARM_TOGGLE;
			break;

		case 6:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_ALARM_FLAG;
			break;

		case 7:
			p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT0_PROG_PULSE;
			break;

		default:
			break;
		}
	} else {
		switch (ul_value) {
		case 0:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_NO_WAVE;
			break;

		case 1:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ1HZ;
			break;

		case 2:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ32HZ;
			break;

		case 3:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ64HZ;
			break;

		case 4:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ512HZ;
			break;

		case 5:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_ALARM_TOGGLE;
			break;

		case 6:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_ALARM_FLAG;
			break;

		case 7:
			p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk;
			p_rtc->RTC_MR |= RTC_MR_OUT1_PROG_PULSE;
			break;

		default:
			break;
		}
	}
}

/**
 * \brief Set the pulse output waveform parameters.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_time_high High duration of the output pulse.
 * \param ul_period Period of the output pulse. 
 */
void rtc_set_pulse_parameter(Rtc *p_rtc, uint32_t ul_time_high,
		uint32_t ul_period)
{
	uint32_t ul_temp;

	ul_temp = p_rtc->RTC_MR;

	ul_temp |= (RTC_MR_THIGH_Msk & ((ul_time_high) << RTC_MR_THIGH_Pos));
	ul_temp |= (RTC_MR_TPERIOD_Msk & ((ul_period) << RTC_MR_TPERIOD_Pos));

	p_rtc->RTC_MR = ul_temp;
}
#endif /* ((SAM3S8) || (SAM3SD8) || (SAM4S)) */

#if ((SAM3N) || (SAM3U) || (SAM3XA_SERIES))
/**
 * \brief Enable or disable write protection of RTC registers.
 *
 * \param p_rtc Pointer to an RTC instance.
 * \param ul_enable 1 to enable, 0 to disable.
 */
void rtc_set_writeprotect(Rtc *p_rtc, uint32_t ul_enable)
{
	if (ul_enable) {
		p_rtc->RTC_WPMR = RTC_WPMR_WPKEY(RTC_WP_KEY) | RTC_WPMR_WPEN;
	} else {
		p_rtc->RTC_WPMR = RTC_WPMR_WPKEY(RTC_WP_KEY);
	}
}
#endif /* ((SAM3N) || (SAM3U) || (SAM3XA_SERIES)) */

//@}

/// @cond 0
/**INDENT-OFF**/
#ifdef __cplusplus
}
#endif
/**INDENT-ON**/
/// @endcond