110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2005 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief Hitachi HD44780 and clones LCD module.
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*
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* \author Bernie Innocenti <bernie@codewiz.org>
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* \author Stefano Fedrigo <aleph@develer.com>
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*
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* $WIZ$ module_name = "lcd_hd44"
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* $WIZ$ module_depends = "timer"
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* $WIZ$ module_configuration = "bertos/cfg/cfg_lcd_hd44.h"
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* $WIZ$ module_hw = "bertos/hw/hw_lcd_hd44.h"
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*/
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#ifndef DRV_LCD_HD44_H
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#define DRV_LCD_HD44_H
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#include "cfg/cfg_lcd_hd44.h"
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#include <cfg/compiler.h> /* For stdint types */
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/**
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* \name Values for CONFIG_LCD_ROWS.
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*
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* Select the number of rows which are available
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* on the HD44780 Display.
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* $WIZ$ lcd_hd44_rows = "LCD_HD44_ROWS_2", "LCD_HD44_ROWS_4"
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*/
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#define LCD_HD44_ROWS_2 2
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#define LCD_HD44_ROWS_4 4
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/**
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* \name Values for CONFIG_LCD_COLS.
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*
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* Select the number of columns which are available
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* on the HD44780 Display.
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* $WIZ$ lcd_hd44_cols = "LCD_HD44_COLS_16", "LCD_HD44_COLS_20"
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*/
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#define LCD_HD44_COLS_16 16
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#define LCD_HD44_COLS_20 20
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/**
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* \name Hitachi HD44 commands.
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* \{
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*/
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#define LCD_CMD_DISPLAY_INI 0x30
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#if CONFIG_LCD_4BIT
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#define LCD_CMD_SETFUNC 0x28 /**< 4 bits, 2 lines, 5x7 dots */
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#else
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#define LCD_CMD_SETFUNC 0x38 /**< 8 bits, 2 lines, 5x7 dots */
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#endif
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#define LCD_CMD_SET8BIT 0x30
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#define LCD_CMD_DISPLAY_ON 0x0F /**< Switch on display */
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#define LCD_CMD_DISPLAY_OFF 0x08 /**< Switch off display */
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#define LCD_CMD_CLEAR 0x01 /**< Clear display */
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#define LCD_CMD_CURSOR_BLOCK 0x0D /**< Show cursor (block) */
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#define LCD_CMD_CURSOR_LINE 0x0F /**< Show cursor (line) */
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#define LCD_CMD_CURSOR_OFF 0x0C /**< Hide cursor */
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#define LCD_CMD_DISPLAYMODE 0x06
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#define LCD_CMD_SET_CGRAMADDR 0x40
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#define LCD_CMD_RESET_DDRAM 0x80
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#define LCD_CMD_SET_DDRAMADDR 0x80
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#define LCD_CMD_DISPLAY_SHIFT 0x18
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#define LCD_CMD_MOVESHIFT_LEFT 0x00
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#define LCD_CMD_MOVESHIFT_RIGHT 0x04
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/*\}*/
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/** Type for combined LCD cursor position (x,y). */
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typedef uint8_t lcdpos_t;
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void lcd_waitBusy(void);
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void lcd_moveTo(uint8_t addr);
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void lcd_setReg(uint8_t val);
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void lcd_putc(uint8_t a, uint8_t c);
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void lcd_remapChar(const char *glyph, char code);
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void lcd_hw_init(void);
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void lcd_hw_test(void);
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#endif /* DRV_LCD_HD44_H */
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