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/* $Id: drv_generic_text.h,v 1.21 2006/07/31 03:48:09 reinelt Exp $
*
* generic driver helper for text-based displays
*
* Copyright (C) 1999, 2000 Michael Reinelt <reinelt@eunet.at>
* Copyright (C) 2004 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.
*
*
* $Log: drv_generic_text.h,v $
* Revision 1.21 2006/07/31 03:48:09 reinelt
* preparations for scrolling
*
* Revision 1.20 2006/01/30 05:47:38 reinelt
* graphic subsystem changed to full-color RGBA
*
* Revision 1.19 2006/01/03 06:13:46 reinelt
* GPIO's for MatrixOrbital
*
* Revision 1.18 2005/05/08 04:32:44 reinelt
* CodingStyle added and applied
*
* Revision 1.17 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
* Revision 1.16 2004/11/28 15:50:24 reinelt
* Cwlinux fixes (invalidation of user-defined chars)
*
* Revision 1.15 2004/06/26 12:04:59 reinelt
*
* uh-oh... the last CVS log message messed up things a lot...
*
* Revision 1.14 2004/06/26 09:27:21 reinelt
*
* added '-W' to CFLAGS
* changed all C++ comments to C ones
* cleaned up a lot of signed/unsigned mistakes
*
* Revision 1.13 2004/06/20 10:09:56 reinelt
*
* 'const'ified the whole source
*
* Revision 1.12 2004/06/05 06:41:40 reinelt
*
* chancged splash screen again
*
* Revision 1.11 2004/06/02 10:09:22 reinelt
*
* splash screen for HD44780
*
* Revision 1.10 2004/06/01 06:45:30 reinelt
*
* some Fixme's processed
* documented some code
*
* Revision 1.9 2004/05/26 11:37:36 reinelt
*
* Curses driver ported.
*
* Revision 1.8 2004/03/19 09:17:46 reinelt
*
* removed the extra 'goto' function, row and col are additional parameters
* of the write() function now.
*
* Revision 1.7 2004/02/18 06:39:20 reinelt
* T6963 driver for graphic displays finished
*
* Revision 1.6 2004/02/15 21:43:43 reinelt
* T6963 driver nearly finished
* framework for graphic displays done
* i2c_sensors patch from Xavier
* some more old generation files removed
*
* Revision 1.5 2004/02/14 11:56:17 reinelt
* M50530 driver ported
* changed lots of 'char' to 'unsigned char'
*
* Revision 1.4 2004/01/23 07:04:24 reinelt
* icons finished!
*
* Revision 1.3 2004/01/23 04:53:55 reinelt
* icon widget added (not finished yet!)
*
* Revision 1.2 2004/01/22 07:57:45 reinelt
* several bugs fixed where segfaulting on layout>display
* Crystalfontz driver optimized, 632 display already works
*
* Revision 1.1 2004/01/20 05:36:59 reinelt
* moved text-display-specific stuff to drv_generic_text
* moved all the bar stuff from drv_generic_bar to generic_text
*
*/
#ifndef _DRV_GENERIC_TEXT_H_
#define _DRV_GENERIC_TEXT_H_
#include "drv_generic.h"
#include "widget.h"
extern int CHARS, CHAR0; /* number of user-defineable characters, ASCII of first char */
extern int ICONS; /* number of user-defineable characters reserved for icons */
extern int GOTO_COST; /* number of bytes a goto command requires */
extern int INVALIDATE; /* re-send a modified userdefined char? */
/* these functions must be implemented by the real driver */
extern void (*drv_generic_text_real_write) (const int row, const int col, const char *data, const int len);
extern void (*drv_generic_text_real_defchar) (const int ascii, const unsigned char *matrix);
/* generic functions and widget callbacks */
int drv_generic_text_init(const char *section, const char *driver);
int drv_generic_text_greet(const char *msg1, const char *msg2);
int drv_generic_text_draw(WIDGET * W);
int drv_generic_text_icon_init(void);
int drv_generic_text_icon_draw(WIDGET * W);
int drv_generic_text_bar_init(const int single_segments);
void drv_generic_text_bar_add_segment(const int val1, const int val2, const DIRECTION dir, const int ascii);
int drv_generic_text_bar_draw(WIDGET * W);
int drv_generic_text_quit(void);
#endif
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