00001 #ifndef _DEV_HD44780_H_ 00002 #define _DEV_HD44780_H_ 00003 /* 00004 * Copyright (C) 2001-2006 by egnite Software GmbH. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * 1. Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 2. Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in the 00014 * documentation and/or other materials provided with the distribution. 00015 * 3. All advertising materials mentioning features or use of this 00016 * software must display the following acknowledgement: 00017 * 00018 * This product includes software developed by egnite Software GmbH 00019 * and its contributors. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00022 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00025 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00028 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00029 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00030 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00031 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00032 * SUCH DAMAGE. 00033 * 00034 * For additional information see http://www.ethernut.de/ 00035 * 00036 * - 00037 * Portions Copyright (C) 2001 Jesper Hansen <jesperh@telia.com>. 00038 * 00039 * This file is part of the yampp system. 00040 * 00041 * This program is free software; you can redistribute it and/or 00042 * modify it under the terms of the GNU General Public License 00043 * as published by the Free Software Foundation; either version 2 00044 * of the License, or (at your option) any later version. 00045 * 00046 * This program is distributed in the hope that it will be useful, 00047 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00048 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00049 * GNU General Public License for more details. 00050 * 00051 * You should have received a copy of the GNU General Public License 00052 * along with this program; if not, write to the Free Software Foundation, 00053 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00054 */ 00055 00056 /* 00057 * $Log$ 00058 * Revision 1.4 2007/08/29 07:43:53 haraldkipp 00059 * Documentation updated and corrected. 00060 * 00061 * Revision 1.3 2006/04/07 12:58:34 haraldkipp 00062 * Target specific delay defaults moved from global header to AVR specific 00063 * file. 00064 * 00065 * Revision 1.2 2005/05/27 14:02:01 olereinhardt 00066 * Added support for new display sizes configurable by macros 00067 * LCD_4x20, LCD_4x16, LCD_2x40, LCD_2x20, LCD_2x16, LCD_2x8, 00068 * LCD_1x20, LCD_1x16, LCD_1x8, KS0078_CONTROLLER (4x20)) 00069 * Also added support for different delay types. 00070 * For not to wait busy too long, I added support for busy bit 00071 * read back and use NutSleep instead NutDelay if NUT_CPU_FREQ 00072 * is defined. 00073 * 00074 * Revision 1.1.1.1 2003/05/09 14:41:05 haraldkipp 00075 * Initial using 3.2.1 00076 * 00077 * Revision 1.2 2003/05/06 18:40:43 harald 00078 * Cleanup 00079 * 00080 * Revision 1.1 2003/03/31 14:53:23 harald 00081 * Prepare release 3.1 00082 * 00083 */ 00084 00085 #include <sys/device.h> 00086 00087 00092 00093 // HD44780 Commandset 00094 #define LCD_CLR 0 // DB0: clear display 00095 #define LCD_HOME 1 // DB1: return to home position 00096 #define LCD_ENTRY_MODE 2 // DB2: set entry mode 00097 #define LCD_ENTRY_INC 1 // DB1: increment 00098 #define LCD_ENTRY_SHIFT 0 // DB2: shift 00099 #define LCD_ON_CTRL 3 // DB3: turn lcd/cursor on 00100 #define LCD_ON_DISPLAY 2 // DB2: turn display on 00101 #define LCD_ON_CURSOR 1 // DB1: turn cursor on 00102 #define LCD_ON_BLINK 0 // DB0: blinking cursor 00103 #define LCD_MOVE 4 // DB4: move cursor/display 00104 #define LCD_MOVE_DISP 3 // DB3: move display (0-> move cursor) 00105 #define LCD_MOVE_RIGHT 2 // DB2: move right (0-> left) 00106 #define LCD_FUNCTION 5 // DB5: function set 00107 #define LCD_FUNCTION_8BIT 4 // DB4: set 8BIT mode (0->4BIT mode) 00108 #define LCD_FUNCTION_2LINES 3 // DB3: two lines (0->one line) 00109 #define LCD_FUNCTION_RE 2 // DB2: KS0073 Controller: Extended Register 00110 #define LCD_FUNCTION_10DOTS 2 // DB2: 5x10 font (0->5x7 font) 00111 #define LCD_FUNCTION_DS 1 // DB1: DisplayShift / DotScroll 00112 #define LCD_FUNCTION_REV 0 // DB0: Reverse Display 00113 #define LCD_EXT 3 // DB3: Extended Register Set 00114 #define LCD_EXT_FONT 2 // DB2: Fontwidth: 5 / 6 Pixel 00115 #define LCD_EXT_INVCURS 1 // DB1: Normal / Inverted Cursor 00116 #define LCD_EXT_4LINES 0 // DB0: 1/2 Lines (normal) or 4Lines 00117 #define LCD_CGRAM 6 // DB6: set CG RAM address 00118 #define LCD_DDRAM 7 // DB7: set DD RAM address 00119 // reading: 00120 #define LCD_BUSY 7 // DB7: LCD is busy 00121 00124 extern NUTDEVICE devLcd; 00125 00126 #endif