102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2011 by Amaury Pouly
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "config.h"
|
|
#include "time.h"
|
|
#include "system.h"
|
|
#include "rtc.h"
|
|
#include "timefuncs.h"
|
|
#include "rtc-imx233.h"
|
|
|
|
#define YEAR1980 315532800 /* 1980/1/1 00:00:00 in UTC */
|
|
|
|
void rtc_init(void)
|
|
{
|
|
imx233_rtc_init();
|
|
}
|
|
|
|
int rtc_read_datetime(struct tm *tm)
|
|
{
|
|
uint32_t seconds = imx233_rtc_read_seconds();
|
|
#ifdef SANSA_FUZEPLUS
|
|
/* The OF uses PERSISTENT2 register to keep the adjustment and only changes
|
|
* SECONDS if necessary. */
|
|
seconds += imx233_rtc_read_persistent(2);
|
|
#else
|
|
/* The Freescale recommended way of keeping time is the number of seconds
|
|
* since 00:00 1/1/1980 */
|
|
seconds += YEAR1980;
|
|
#endif
|
|
|
|
gmtime_r(&seconds, tm);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rtc_write_datetime(const struct tm *tm)
|
|
{
|
|
uint32_t seconds;
|
|
|
|
seconds = mktime((struct tm *)tm);
|
|
|
|
#ifdef SANSA_FUZEPLUS
|
|
/* The OF uses PERSISTENT2 register to keep the adjustment and only changes
|
|
* SECONDS if necessary.
|
|
* NOTE: the OF uses this mechanism to prevent roll back in time. Although
|
|
* Rockbox will handle a negative PERSISTENT2 value, the OF will detect
|
|
* it and won't return in time before SECONDS */
|
|
imx233_rtc_write_persistent(2, seconds - imx233_rtc_read_seconds());
|
|
#else
|
|
/* The Freescale recommended way of keeping time is the number of seconds
|
|
* since 00:00 1/1/1980 */
|
|
imx233_rtc_write_seconds(seconds - YEAR1980);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
void rtc_set_alarm(int h, int m)
|
|
{
|
|
(void) h;
|
|
(void) m;
|
|
}
|
|
|
|
void rtc_get_alarm(int *h, int *m)
|
|
{
|
|
(void) h;
|
|
(void) m;
|
|
}
|
|
|
|
void rtc_enable_alarm(bool enable)
|
|
{
|
|
(void) enable;
|
|
}
|
|
|
|
bool rtc_check_alarm_started(bool release_alarm)
|
|
{
|
|
(void) release_alarm;
|
|
return false;
|
|
}
|
|
|
|
bool rtc_check_alarm_flag(void)
|
|
{
|
|
return false;
|
|
}
|