src/video/fbcon/SDL_fbelo.h
author Edgar Simo <bobbens@gmail.com>
Mon, 04 Aug 2008 11:30:16 +0000
branchgsoc2008_force_feedback
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef SDL_fbelo_h
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#define SDL_fbelo_h
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#include "SDL_fbvideo.h"
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/* ELO */
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#define ELO_PACKET_SIZE	10
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#define ELO_START_BYTE		'U'
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/*	eloConvertXY
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	Convert the raw coordinates from the ELO controller
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	to a screen position.
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*/
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void eloConvertXY(_THIS, int *dx, int *dy);
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/*	eloInitController(int fd)
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	Initialize the ELO serial touchscreen controller
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*/
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int eloInitController(int fd);
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/*	eloParsePacket
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	extract position and button state from a packet
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*/
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int eloParsePacket(unsigned char *mousebuf, int *dx, int *dy,
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                   int *button_state);
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/*	eloReadPosition
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	read a packet and get the cursor position
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*/
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int eloReadPosition(_THIS, int fd, int *x, int *y, int *button_state,
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                    int *realx, int *realy);
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#endif /* SDL_fbelo_h */
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/* vi: set ts=4 sw=4 expandtab: */