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add a RTC driver for the Samsung S3C2440 used in the Gigabeat

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11662 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcoen Hirschberg 2006-12-05 09:35:16 +00:00
parent 81484e4b75
commit 2c154219f6
1 changed files with 57 additions and 0 deletions
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57
firmware/drivers/rtc/rtc_s3c2440.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese, Laurent Baum
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "i2c.h"
#include "rtc.h"
#include "kernel.h"
#include "system.h"
#include <stdbool.h>
void rtc_init(void)
{
/* RTC Enable */
RTCCON |= 1;
}
int rtc_read_datetime(unsigned char* buf)
{
buf[0] = BCDSEC;
buf[1] = BCDMIN;
buf[2] = BCDHOUR;
buf[3] = BCDDAY;
buf[4] = BCDDATE;
buf[5] = BCDMON;
buf[6] = BCDYEAR;
return 1;
}
int rtc_write_datetime(unsigned char* buf)
{
BCDSEC = buf[0];
BCDMIN = buf[1];
BCDHOUR = buf[2];
BCDDAY = buf[3];
BCDDATE = buf[4];
BCDMON = buf[5];
BCDYEAR = buf[6];
return 1;
}