blob: 233168c3032474158104bd5ed555e202cea4202d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/***************************************************************************
* __________ __ ___.
* 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 "i2c-pp5020.h"
#include <stdbool.h>
void rtc_init(void)
{
}
int rtc_read_datetime(unsigned char* buf)
{
unsigned char tmp;
int read;
/*RTC_E8564's slave address is 0x51*/
read = i2c_readbytes(0x51,0x02,7,buf);
/* swap wday and mday to be compatible with
* get_time() from firmware/common/timefuncs.c */
tmp=buf[3];
buf[3]=buf[4];
buf[4]=tmp;
return read;
}
int rtc_write_datetime(unsigned char* buf)
{
int i;
unsigned char tmp;
/* swap wday and mday to be compatible with
* set_time() in firmware/common/timefuncs.c */
tmp=buf[3];
buf[3]=buf[4];
buf[4]=tmp;
for (i=0;i<7;i++){
pp_i2c_send(0x51, 0x02+i,buf[i]);
}
return 1;
}
|
