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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Rob Purchase
*
* 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 "rtc.h"
#include "system.h"
#include "pcf50606.h"
#include "pcf50635.h"
#include "pmu-target.h"
void rtc_init(void)
{
}
int rtc_read_datetime(struct tm *tm)
{
unsigned int i;
int rc, oldlevel;
unsigned char buf[7];
oldlevel = disable_irq_save();
if (get_pmu_type() == PCF50606)
rc = pcf50606_read_multiple(PCF5060X_RTCSC, buf, sizeof(buf));
else
rc = pcf50635_read_multiple(PCF5063X_REG_RTCSC, buf, sizeof(buf));
restore_irq(oldlevel);
for (i = 0; i < sizeof(buf); i++)
buf[i] = BCD2DEC(buf[i]);
tm->tm_sec = buf[0];
tm->tm_min = buf[1];
tm->tm_hour = buf[2];
tm->tm_wday = buf[3];
tm->tm_mday = buf[4];
tm->tm_mon = buf[5] - 1;
tm->tm_year = buf[6] + 100;
return rc;
}
int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
int rc, oldlevel;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_wday;
buf[4] = tm->tm_mday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
for (i = 0; i < sizeof(buf); i++)
buf[i] = DEC2BCD(buf[i]);
oldlevel = disable_irq_save();
if (get_pmu_type() == PCF50606)
rc = pcf50606_write_multiple(PCF5060X_RTCSC, buf, sizeof(buf));
else
rc = pcf50635_write_multiple(PCF5063X_REG_RTCSC, buf, sizeof(buf));
restore_irq(oldlevel);
return rc;
}
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