#define LCD_D4_OUT PORTD
#define LCD_D4_DDR DDRD
#define LCD_D4_BIT 7

#define LCD_D5_OUT PORTD
#define LCD_D5_DDR DDRD
#define LCD_D5_BIT 6

#define LCD_D6_OUT PORTD
#define LCD_D6_DDR DDRD
#define LCD_D6_BIT 5

#define LCD_D7_OUT PORTB
#define LCD_D7_DDR DDRB
#define LCD_D7_BIT 7

#define LCD_EN_OUT PORTB
#define LCD_EN_DDR DDRB
#define LCD_EN_BIT 1

#define LCD_RS_OUT PORTB
#define LCD_RS_DDR DDRB
#define LCD_RS_BIT 0