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comparison src/video/fbcon/SDL_fbelo.h @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children 4f6c5f021323
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1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 #ifndef SDL_fbelo_h
29 #define SDL_fbelo_h
30
31 #include <stdlib.h>
32
33 #include "SDL_fbvideo.h"
34
35 /* ELO */
36 #define ELO_PACKET_SIZE 10
37 #define ELO_START_BYTE 'U'
38
39 /* eloConvertXY
40 Convert the raw coordinates from the ELO controller
41 to a screen position.
42 */
43 void eloConvertXY(_THIS, int *dx, int *dy);
44
45 /* eloInitController(int fd)
46 Initialize the ELO serial touchscreen controller
47 */
48 int eloInitController(int fd);
49
50 /* eloParsePacket
51 extract position and button state from a packet
52 */
53 int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state);
54
55 #endif /* SDL_fbelo_h */