4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
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26 * invalidate any other reasons why the executable file might be covered by
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29 * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
33 * \brief Hitachi HD44780 and clones LCD module (interface)
36 * \author Bernardo Innocenti <bernie@develer.com>
37 * \author Stefano Fedrigo <aleph@develer.com>
42 *#* Revision 1.3 2006/09/20 19:55:01 marco
43 *#* Added CONFIG_LCD_4BIT.
45 *#* Revision 1.2 2006/07/19 12:56:25 bernie
46 *#* Convert to new Doxygen style.
48 *#* Revision 1.1 2005/11/04 18:00:42 bernie
49 *#* Import into DevLib.
51 *#* Revision 1.2 2005/06/14 14:43:43 bernie
52 *#* Add DevLib headers.
54 *#* Revision 1.1 2005/05/24 09:17:58 batt
55 *#* Move drivers to top-level.
57 *#* Revision 1.3 2005/04/22 13:14:58 batt
58 *#* Better lcd rows and cols definition.
60 *#* Revision 1.2 2005/04/17 22:41:39 bernie
61 *#* lcd_test(): Rename to lcd_hw_test() and conditionalize on CONFIG_TEST.
63 *#* Revision 1.1 2005/04/16 19:48:35 aleph
67 #ifndef DRV_LCD_HD44_H
68 #define DRV_LCD_HD44_H
70 #include <appconfig.h>
71 #include <cfg/compiler.h> /* For stdint types */
74 * \name Display dimensions (in chars)
82 * \name Hitachi HD44 commands.
85 #define LCD_CMD_DISPLAY_INI 0x30
88 #define LCD_CMD_SETFUNC 0x28 /**< 4 bits, 2 lines, 5x7 dots */
90 #define LCD_CMD_SETFUNC 0x38 /**< 8 bits, 2 lines, 5x7 dots */
93 #define LCD_CMD_DISPLAY_ON 0x0F /**< Switch on display */
94 #define LCD_CMD_DISPLAY_OFF 0x08 /**< Switch off display */
95 #define LCD_CMD_CLEAR 0x01 /**< Clear display */
96 #define LCD_CMD_CURSOR_BLOCK 0x0D /**< Show cursor (block) */
97 #define LCD_CMD_CURSOR_LINE 0x0F /**< Show cursor (line) */
98 #define LCD_CMD_CURSOR_OFF 0x0C /**< Hide cursor */
99 #define LCD_CMD_DISPLAYMODE 0x06
100 #define LCD_CMD_SET_CGRAMADDR 0x40
101 #define LCD_CMD_RESET_DDRAM 0x80
102 #define LCD_CMD_SET_DDRAMADDR 0x80
103 #define LCD_CMD_DISPLAY_SHIFT 0x18
104 #define LCD_CMD_MOVESHIFT_LEFT 0x00
105 #define LCD_CMD_MOVESHIFT_RIGHT 0x04
108 /** Type for combined LCD cursor position (x,y). */
109 typedef uint8_t lcdpos_t;
111 void lcd_waitBusy(void);
112 void lcd_moveTo(uint8_t addr);
113 void lcd_setReg(uint8_t val);
114 void lcd_putc(uint8_t a, uint8_t c);
115 void lcd_remapChar(const char *glyph, char code);
116 void lcd_hw_init(void);
117 void lcd_hw_test(void);
119 #endif /* DRV_LCD_HD44_H */