/* $Id: drv_generic_text.h,v 1.13 2004/06/20 10:09:56 reinelt Exp $ * * generic driver helper for text-based displays * * Copyright 1999, 2000 Michael Reinelt * Copyright 2004 The LCD4Linux Team * * 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 1.13 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 #include "widget.h" extern int DROWS, DCOLS; // display size extern int LROWS, LCOLS; // layout size extern int XRES, YRES; // pixel width/height of one char extern int GOTO_COST; // number of bytes a goto command requires extern int CHARS, CHAR0; // number of user-defineable characters, ASCII of first char extern int ICONS; // number of user-defineable characters reserved for icons // these functions must be implemented by the real driver void (*drv_generic_text_real_write)(const int row, const int col, const unsigned char *data, const int len); void (*drv_generic_text_real_defchar)(const int ascii, const unsigned char *buffer); // 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

6 duplicate setting name