65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese, Laurent Baum
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "i2c.h"
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#include "rtc.h"
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#include "kernel.h"
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#include "system.h"
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#include "i2c-pp5020.h"
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#include <stdbool.h>
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void rtc_init(void)
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{
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}
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int rtc_read_datetime(unsigned char* buf)
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{
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unsigned char tmp;
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int read;
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/*RTC_E8564's slave address is 0x51*/
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read = i2c_readbytes(0x51,0x02,7,buf);
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/* swap wday and mday to be compatible with
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* get_time() from firmware/common/timefuncs.c */
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tmp=buf[3];
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buf[3]=buf[4];
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buf[4]=tmp;
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return read;
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}
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int rtc_write_datetime(unsigned char* buf)
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{
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int i;
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unsigned char tmp;
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/* swap wday and mday to be compatible with
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* set_time() in firmware/common/timefuncs.c */
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tmp=buf[3];
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buf[3]=buf[4];
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buf[4]=tmp;
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for (i=0;i<7;i++){
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pp_i2c_send(0x51, 0x02+i,buf[i]);
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}
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return 1;
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}
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