78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/*
|
|
* lc7981.h
|
|
*
|
|
* Created on: 01.05.2009
|
|
* Author: sebastian
|
|
*
|
|
* This file is part of Sebastians AVR Library for lc7981.
|
|
*
|
|
* Sebastians AVR Library 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Sebastians AVR Library 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 Sebastians AVR Library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef LC7981_H_
|
|
#define LC7981_H_ LC7981_H_ //!< protects this file from beeing double included
|
|
|
|
#include <avr/io.h>
|
|
#include <util/delay.h>
|
|
#include <avr/pgmspace.h>
|
|
|
|
#define LCD_CTRL PORTC //!< Port used for control signals
|
|
#define LCD_CRTL_DDR DDRC //!< Data-Direction-Register for the control signals
|
|
#define LCD_RS PC4 //!< Register-Select Pin of the Display
|
|
#define LCD_RW PC2 //!< Read-Write-select Pin
|
|
#define LCD_EN PC0 //!< Strobe Pin
|
|
|
|
|
|
|
|
#define LCD_DATA PORTD //!< Port used for data
|
|
#define LCD_DATA_DDR DDRD //!< Data-Direction-Register for Data
|
|
|
|
// Macros for (un)setting the control pins
|
|
#define lcd_rs_high() (LCD_CTRL |= (1 << LCD_RS)) //!< Set the Register-Select pin high
|
|
#define lcd_rs_low() (LCD_CTRL &= ~(1 << LCD_RS)) //!< Set the Register-Select pin low
|
|
|
|
#define lcd_rw_high() (LCD_CTRL |= (1 << LCD_RW)) //!< Set the Read-Write-Select pin high
|
|
#define lcd_rw_low() (LCD_CTRL &= ~(1 << LCD_RW)) //!< Set the Register-Select pin low
|
|
|
|
#define lcd_en_high() (LCD_CTRL |= (1 << LCD_EN)) //!< Set the strobe pin high
|
|
#define lcd_en_low() (LCD_CTRL &= ~(1 << LCD_EN)) //!< Set the strobe pin low
|
|
|
|
|
|
#define LCD_TEXT 0 //!< Constant for text mode
|
|
#define LCD_TEXT_LINES 10 //!< Number of lines in text mode
|
|
#define LCD_TEXT_COLUMNS 26 //!< Number of columns in text mode
|
|
|
|
#define LCD_GRAPHIC 1 //!< Constant for graphic mode
|
|
#define LCD_GRAPHIC_WIDTH 160 //!< Horizontal display size in pixels
|
|
#define LCD_GRAPHIC_HEIGHT 80 //!< Vertical display size in pixels
|
|
#define PIXEL_ON 1 //!< see lcd_plot_pixel
|
|
#define PIXEL_OFF 0 //!< see lcd_plot_pixel
|
|
|
|
void lcd_init(uint8_t mode);
|
|
inline void lcd_clear();
|
|
|
|
void lcd_write_text(char *txt);
|
|
inline void lcd_gotoxy(uint8_t x, uint8_t y);
|
|
|
|
void lcd_plot_pixel(uint8_t x, uint8_t y, uint8_t set);
|
|
void lcd_plot_bitmap(uint8_t x, uint8_t y, const uint8_t *bitmap, uint8_t w, uint8_t h);
|
|
|
|
|
|
inline void lcd_strobe();
|
|
inline void lcd_write_command(uint8_t cmd, uint8_t data);
|
|
inline uint8_t lcd_read_byte();
|
|
|
|
#endif /* LC7981_H_ */
|