/* $Id: display.c,v 1.29 2001/09/10 13:55:53 reinelt Exp $
*
* framework for device drivers
*
* Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at)
*
* This program 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.
*
* This program 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: display.c,v $
* Revision 1.29 2001/09/10 13:55:53 reinelt
* M50530 driver
*
* Revision 1.28 2001/03/16 16:40:17 ltoetsch
* implemented time bar
*
* Revision 1.27 2001/03/15 14:25:05 ltoetsch
* added unread/total news
*
* Revision 1.26 2001/03/12 12:39:36 reinelt
*
* reworked autoconf a lot: drivers may be excluded, #define's went to config.h
*
* Revision 1.25 2001/03/09 13:08:11 ltoetsch
* Added Text driver
*
* Revision 1.24 2001/03/01 11:08:16 reinelt
*
* reworked configure to allow selection of drivers
*
* Revision 1.23 2001/02/14 07:40:16 reinelt
*
* first (incomplete) GPO implementation
*
* Revision 1.22 2001/02/13 09:00:13 reinelt
*
* prepared framework for GPO's (general purpose outputs)
*
* Revision 1.21 2000/11/28 16:46:11 reinelt
*
* first try to support display of SIN router
*
* Revision 1.20 2000/08/10 09:44:09 reinelt
*
* new debugging scheme: error(), info(), debug()
* uses syslog if in daemon mode
*
* Revision 1.19 2000/08/09 09:50:29 reinelt
*
* opened 0.98 development
* removed driver-specific signal-handlers
* added 'quit'-function to driver structure
* added global signal-handler
*
* Revision 1.18 2000/05/02 23:07:48 herp
* Crystalfontz initial coding
*
* Revision 1.17 2000/05/02 06:05:00 reinelt
*
* driver for 3Com Palm Pilot added
*
* Revision 1.16 2000/04/28 05:19:55 reinelt
*
* first release of the Beckmann+Egle driver
*
* Revision 1.15 2000/04/12 08:05:45 reinelt
*
* first version of the HD44780 driver
*
* Revision 1.14 2000/04/03 17:31:52 reinelt
*
* suppress welcome message if display is smaller than 20x2
* change lcd4linux.ppm to 32 pixel high so KDE won't stretch the icon
*
* Revision 1.13 2000/03/30 16:46:57 reinelt
*
* configure now handles '--with-x' and '--without-x' correct
*
* Revision 1.12 2000/03/26 18:46:28 reinelt
*
* bug in pixmap.c that leaded to empty b