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50 lines
942 B
C
50 lines
942 B
C
/*
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* lcd.h
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*
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* Created: 20.01.2018 12:51:11
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* Author: Ulrich
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*/
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#ifndef __LCD_H__
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#define __LCD_H__
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#include <inttypes.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <string.h>
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#include <util/delay.h>
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#include "i2c.h"
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#define LCD_I2C_ADDR 0x4E
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//Port Belegung am PCF8574 (1<<PORT)
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#define LCD_RS (1<<0)
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#define LCD_RW (1<<1)
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#define LCD_E (1<<2)
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#define LCD_BACKLIGHT (1<<3)
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#define LCD_D4 (1<<4)
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#define LCD_D5 (1<<5)
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#define LCD_D6 (1<<6)
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#define LCD_D7 (1<<7)
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#define LCD_WIDTH 20
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#define LCD_ADDR_LINE1 (0x80)
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#define LCD_ADDR_LINE2 (0xC0)
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void lcd_init(void);
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void lcd_clear(void);
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void lcd_home(void);
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void lcd_print_str (char *str);
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void lcd_write_P (const char *Buffer,...);
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void lcd_set_position(uint8_t row, uint8_t col);
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void lcd_cursor(uint8_t en);
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#define lcd_write(format, args...) lcd_write_P(PSTR(format) , ## args)
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#endif
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