lcd4linux.git - lcd4linux

Age	Commit message (Expand)	Author	Files	Lines
2009-11-20	special commandline parameters for X11	volker	1	-0/+8
2007-09-09	email address changed	michael	1	-1/+1
2007-01-14	removed all tags	michael	1	-47/+0
2007-01-14	svn properties fixed	michael	1	-1/+2
2005-05-08	[lcd4linux @ 2005-05-08 04:32:43 by reinelt]	reinelt	1	-8/+11
2005-01-18	[lcd4linux @ 2005-01-18 06:30:21 by reinelt]	reinelt	1	-3/+6
2004-06-26	[lcd4linux @ 2004-06-26 12:04:59 by reinelt]	reinelt	1	-2/+6
2004-06-26	[lcd4linux @ 2004-06-26 09:27:20 by reinelt]	reinelt	1	-4/+11
2004-06-20	[lcd4linux @ 2004-06-20 10:09:52 by reinelt]	reinelt	1	-5/+9
2004-06-06	[lcd4linux @ 2004-06-06 06:51:59 by reinelt]	reinelt	1	-4/+7
2004-06-02	[lcd4linux @ 2004-06-02 09:41:19 by reinelt]	reinelt	1	-5/+10
2004-01-20	[lcd4linux @ 2004-01-20 15:32:48 by reinelt]	reinelt	1	-11/+5
2004-01-10	[lcd4linux @ 2004-01-10 20:22:33 by reinelt]	reinelt	1	-2/+8
2004-01-09	[lcd4linux @ 2004-01-09 17:03:06 by reinelt]	reinelt	1	-0/+65

/* $Id$ * $URL$ * * NULL driver (for testing) * * Copyright (C) 2004 Michael Reinelt <michael@reinelt.co.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. * */ /* * * exported fuctions: * * struct DRIVER drv_NULL * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include "debug.h" #include "cfg.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_bar.h" #include "drv.h" #include "drv_generic_text.h" static char Name[] = "NULL"; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_NULL_write(const __attribute__ ((unused)) int row, const __attribute__ ((unused)) int col, const __attribute__ ((unused)) char *data, const __attribute__ ((unused)) int len) { /* empty */ } static void drv_NULL_defchar(const __attribute__ ((unused)) int ascii, const __attribute__ ((unused)) unsigned char *matrix) { /* empty */ } static int drv_NULL_start(const char *section) { char *s; s = cfg_get(section, "Size", "20x4"); if (s == NULL || *s == '\0') { error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); free(s); return -1; } if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DROWS < 1 || DCOLS < 1) { error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); free(s); return -1; } free(s); return 0; } /****************************************/ /*** plugins ***/ /****************************************/ /* none at the moment... */ /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_NULL_list(void) { printf("NULL driver for testing purposes"); return 0; } /* initialize driver & display */ int drv_NULL_init(const char *section, const __attribute__ ((unused)) int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev$"); /* display preferences */ XRES = 6; /* pixel width of one char */ YRES = 8; /* pixel height of one char */ CHARS = 8; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ GOTO_COST = 2; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_NULL_write; drv_generic_text_real_defchar = drv_NULL_defchar; /* start display */ if ((ret = drv_NULL_start(section)) != 0) return ret; /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(1)) != 0) return ret; /* add fixed chars to the bar driver */ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ drv_generic_text_bar_add_segment(255, 255, 255, '*'); /* asterisk */ /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); /* register plugins */ /* none at the moment... */ return 0; } /* close driver & display */ int drv_NULL_quit(const __attribute__ ((unused)) int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); return (0); } DRIVER drv_NULL = { .name = Name, .list = drv_NULL_list, .init = drv_NULL_init, .quit = drv_NULL_quit, };