62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*
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* lc7981.h
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*
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* Created on: 01.05.2009
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* Author: sebastian
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*/
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#ifndef LC7981_H_
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#define LC7981_H_ LC7981_H_
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#include <avr/io.h>
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#include <util/delay.h>
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#include <avr/pgmspace.h>
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#define LCD_CTRL PORTC
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#define LCD_CRTL_DDR DDRC
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#define LCD_RS PC4
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#define LCD_RW PC2
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#define LCD_EN PC0
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#define LCD_DATA PORTD
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#define LCD_DATA_DDR DDRD
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// Macros for (un)setting the control pins
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#define lcd_rs_high() (LCD_CTRL |= (1 << LCD_RS))
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#define lcd_rs_low() (LCD_CTRL &= ~(1 << LCD_RS))
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#define lcd_rw_high() (LCD_CTRL |= (1 << LCD_RW))
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#define lcd_rw_low() (LCD_CTRL &= ~(1 << LCD_RW))
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#define lcd_en_high() (LCD_CTRL |= (1 << LCD_EN))
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#define lcd_en_low() (LCD_CTRL &= ~(1 << LCD_EN))
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#define LCD_TEXT 0
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#define LCD_TEXT_LINES 10
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#define LCD_TEXT_COLUMNS 26
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#define LCD_GRAPHIC 1
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#define LCD_GRAPHIC_WIDTH 160
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#define LCD_GRAPHIC_HEIGHT 80
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#define PIXEL_ON 1
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#define PIXEL_OFF 0
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void lcd_init(uint8_t mode);
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inline void lcd_clear();
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void lcd_write_text(char *txt);
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inline void lcd_gotoxy(uint8_t x, uint8_t y);
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void lcd_plot_pixel(uint8_t x, uint8_t y, uint8_t set);
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void lcd_plot_bitmap(uint8_t x, uint8_t y, const uint8_t *bitmap, uint8_t w, uint8_t h);
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inline void lcd_strobe();
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inline void lcd_write_command(uint8_t cmd, uint8_t data);
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inline uint8_t lcd_read_byte();
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#endif /* LC7981_H_ */
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