/*
 * lc7981.h
 *
 *  Created on: 01.05.2009
 *      Author: sebastian
 */

#ifndef LC7981_H_
#define LC7981_H_ LC7981_H_

#include <avr/io.h>
#include <util/delay.h>
#include <avr/pgmspace.h>

#define LCD_CTRL 	PORTC
#define LCD_CRTL_DDR	DDRC
#define LCD_RS			PC4
#define LCD_RW			PC2
#define LCD_EN			PC0



#define LCD_DATA		PORTD
#define LCD_DATA_DDR	DDRD

// Macros for (un)setting the control pins
#define lcd_rs_high() (LCD_CTRL |= (1 << LCD_RS))
#define lcd_rs_low() (LCD_CTRL &= ~(1 << LCD_RS))

#define lcd_rw_high() (LCD_CTRL |= (1 << LCD_RW))
#define lcd_rw_low() (LCD_CTRL &= ~(1 << LCD_RW))

#define lcd_en_high() (LCD_CTRL |= (1 << LCD_EN))
#define lcd_en_low() (LCD_CTRL &= ~(1 << LCD_EN))


#define LCD_TEXT 0
#define LCD_TEXT_LINES 10
#define LCD_TEXT_COLUMNS 26

#define LCD_GRAPHIC 1
#define LCD_GRAPHIC_WIDTH 160
#define LCD_GRAPHIC_HEIGHT 80
#define PIXEL_ON 1
#define PIXEL_OFF 0

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_ */