1 /*
2  * ds1602.h - DS1602 RTC emulation.
3  *
4  * Written by
5  *  Marco van den Heuvel <blackystardust68@yahoo.com>
6  *
7  * This file is part of VICE, the Versatile Commodore Emulator.
8  * See README for copyright notice.
9  *
10  *  This program is free software; you can redistribute it and/or modify
11  *  it under the terms of the GNU General Public License as published by
12  *  the Free Software Foundation; either version 2 of the License, or
13  *  (at your option) any later version.
14  *
15  *  This program is distributed in the hope that it will be useful,
16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  *  GNU General Public License for more details.
19  *
20  *  You should have received a copy of the GNU General Public License
21  *  along with this program; if not, write to the Free Software
22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23  *  02111-1307  USA.
24  *
25  */
26 
27 #ifndef VICE_DS1602_H
28 #define VICE_DS1602_H
29 
30 #include "snapshot.h"
31 #include "types.h"
32 
33 #include <time.h>
34 
35 typedef struct rtc_ds1602_s rtc_ds1602_t;
36 
37 extern rtc_ds1602_t *ds1602_init(char *device, time_t offset0);
38 extern void ds1602_destroy(rtc_ds1602_t *context, int save);
39 
40 extern void ds1602_set_reset_line(rtc_ds1602_t *context, uint8_t data);
41 extern void ds1602_set_clk_line(rtc_ds1602_t *context, uint8_t data);
42 extern void ds1602_set_data_line(rtc_ds1602_t *context, uint8_t data);
43 
44 extern uint8_t ds1602_read_data_line(rtc_ds1602_t *context);
45 
46 extern int ds1602_write_snapshot(rtc_ds1602_t *context, snapshot_t *s);
47 extern int ds1602_read_snapshot(rtc_ds1602_t *context, snapshot_t *s);
48 
49 #endif
50