blob: e4b3d406b9e5012eefc56e83dbd6a2d1fbd624cf (
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
|
/* $Id$
* $URL$
*
* generic driver helper for GPIO's
*
* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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, or (at your option)
* any later version.
*
* LCD4Linux is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _DRV_GENERIC_GPO_H_
#define _DRV_GENERIC_GPO_H_
#include "widget.h"
extern int GPIS; /* number of GPI's */
extern int GPOS; /* number of GPO's */
/* these function must be implemented by the real driver */
extern int (*drv_generic_gpio_real_set) (const int num, const int val);
extern int (*drv_generic_gpio_real_get) (const int num);
/* generic functions and widget callbacks */
int drv_generic_gpio_init(const char *section, const char *driver);
int drv_generic_gpio_clear(void);
int drv_generic_gpio_get(const int num);
int drv_generic_gpio_draw(WIDGET * W);
int drv_generic_gpio_quit(void);
#endif
|
