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https://github.com/netfun2000/lcd4linux.git
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42fbc61ad0
removed the extra 'goto' function, row and col are additional parameters of the write() function now. git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@404 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/* $Id: drv_generic_text.h,v 1.8 2004/03/19 09:17:46 reinelt Exp $
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*
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* generic driver helper for text-based displays
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*
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* Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
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* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: drv_generic_text.h,v $
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* Revision 1.8 2004/03/19 09:17:46 reinelt
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*
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* removed the extra 'goto' function, row and col are additional parameters
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* of the write() function now.
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*
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* Revision 1.7 2004/02/18 06:39:20 reinelt
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* T6963 driver for graphic displays finished
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*
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* Revision 1.6 2004/02/15 21:43:43 reinelt
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* T6963 driver nearly finished
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* framework for graphic displays done
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* i2c_sensors patch from Xavier
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* some more old generation files removed
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*
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* Revision 1.5 2004/02/14 11:56:17 reinelt
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* M50530 driver ported
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* changed lots of 'char' to 'unsigned char'
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*
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* Revision 1.4 2004/01/23 07:04:24 reinelt
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* icons finished!
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*
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* Revision 1.3 2004/01/23 04:53:55 reinelt
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* icon widget added (not finished yet!)
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*
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* Revision 1.2 2004/01/22 07:57:45 reinelt
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* several bugs fixed where segfaulting on layout>display
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* Crystalfontz driver optimized, 632 display already works
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*
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* Revision 1.1 2004/01/20 05:36:59 reinelt
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* moved text-display-specific stuff to drv_generic_text
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* moved all the bar stuff from drv_generic_bar to generic_text
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*
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*/
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/*
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*
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* exported fuctions:
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*
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* Fixme: document me!
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*
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*/
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#ifndef _DRV_GENERIC_TEXT_H_
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#define _DRV_GENERIC_TEXT_H_
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#include <termios.h>
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#include "widget.h"
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extern int DROWS, DCOLS; // display size
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extern int LROWS, LCOLS; // layout size
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extern int XRES, YRES; // pixel width/height of one char
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extern int GOTO_COST; // number of bytes a goto command requires
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extern int CHARS, CHAR0; // number of user-defineable characters, ASCII of first char
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extern int ICONS; // number of user-defineable characters reserved for icons
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// these functions must be implemented by the real driver
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void (*drv_generic_text_real_write)(int row, int col, unsigned char *data, int len);
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void (*drv_generic_text_real_defchar)(int ascii, unsigned char *buffer);
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// generic functions and widget callbacks
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int drv_generic_text_init (char *section, char *driver);
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int drv_generic_text_draw (WIDGET *W);
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int drv_generic_text_icon_init (void);
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int drv_generic_text_icon_draw (WIDGET *W);
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int drv_generic_text_bar_init (void);
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void drv_generic_text_bar_add_segment (int val1, int val2, DIRECTION dir, int ascii);
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int drv_generic_text_bar_draw (WIDGET *W);
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int drv_generic_text_quit (void);
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#endif
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