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/**
* \file
*
* \brief Implementation of low level disk I/O module skeleton for FatFS.
*
* Copyright (c) 2012 - 2013 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 "compiler.h"
#include "rtc.h"
uint32_t get_fattime(void);
/**
* \brief Current time returned is packed into a DWORD value.
*
* The bit field is as follows:
*
* bit31:25 Year from 1980 (0..127)
*
* bit24:21 Month (1..12)
*
* bit20:16 Day in month(1..31)
*
* bit15:11 Hour (0..23)
*
* bit10:5 Minute (0..59)
*
* bit4:0 Second (0..59)
*
* \return Current time.
*/
uint32_t get_fattime(void)
{
if (rtc_get_valid_entry(RTC) != 0)
{
// Date and time have not been set, return default timestamp instead
return 0x210001;
}
// Retrieve current date and time from RTC
uint32_t ul_time;
uint32_t ul_hour, ul_minute, ul_second;
uint32_t ul_year, ul_month, ul_day, ul_week;
rtc_get_time(RTC, &ul_hour, &ul_minute, &ul_second);
rtc_get_date(RTC, &ul_year, &ul_month, &ul_day, &ul_week);
ul_time = ((ul_year - 1980) << 25)
| (ul_month << 21)
| (ul_day << 16)
| (ul_hour << 11)
| (ul_minute << 5)
| (ul_second << 0);
return ul_time;
}
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