SDL-1.2.14
[sdl_omap.git] / src / video / fbcon / SDL_fbelo.h
CommitLineData
e14743d1 1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24#ifndef SDL_fbelo_h
25#define SDL_fbelo_h
26
27#include "SDL_fbvideo.h"
28
29/* ELO */
30#define ELO_PACKET_SIZE 10
31#define ELO_START_BYTE 'U'
32
33/* eloConvertXY
34 Convert the raw coordinates from the ELO controller
35 to a screen position.
36*/
37void eloConvertXY(_THIS, int *dx, int *dy);
38
39/* eloInitController(int fd)
40 Initialize the ELO serial touchscreen controller
41*/
42int eloInitController(int fd);
43
44/* eloParsePacket
45 extract position and button state from a packet
46*/
47int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state);
48
49/* eloReadPosition
50 read a packet and get the cursor position
51*/
52
53int eloReadPosition(_THIS, int fd, int* x, int* y, int* button_state, int* realx, int* realy);
54
55#endif /* SDL_fbelo_h */