//定義MCU與LCD的接口
#define LCD_EN_PORT    PORTD
#define LCD_RW_PORT    PORTD
#define LCD_RS_PORT    PORTD
#define CONTROL_PORT   DDRD
#define LCD_DATA_PORT  PORTC
#define LCD_DATA_DDR   DDRC
#define LCD_DATA_PIN   PINC


#define LCD_RS         0x10   //portD4         out/in
#define LCD_RW         0x20   //portD5         out
#define LCD_EN         0x40   //portD6 port        out
#define LCD_DATA       0xff   //portC 0~4/5/6/7   out