/* $Id: drv_generic_text.h 1164 2011-12-22 10:48:01Z mjona $ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_generic_text.h $ * * generic driver helper for text-based displays * * Copyright (C) 1999, 2000 Michael Reinelt * Copyright (C) 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. * */ #ifndef _DRV_GENERIC_TEXT_H_ #define _DRV_GENERIC_TEXT_H_ #include "drv_generic.h" #include "widget.h" #include "widget_bar.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