12864._h

iccavr12864液晶程序

//定义MCU与LCD的接口
#define LCD_EN_PORT    PORTB
#define LCD_RW_PORT    PORTB
#define LCD_RS_PORT    PORTB
#define LCD_RST_PORT   PORTB
#define	LCD_PSB_PORT   PORTB
#define LCD_DATA_PORT  PORTA
#define LCD_DATA_DDR   DDRA
#define LCD_DATA_PIN   PINA

#define LCD_PSB		   0X04	  //PORTB2
#define LCD_RST		   0X08   //PORTB3
#define LCD_RS         0x01   //portB1         out/in
#define LCD_RW         0x10   //portB2         out
#define LCD_EN         0x02   //portB3 port        out
#define LCD_DATA       0xff   //porta 0~4/5/6/7   out

/*--------------------------------------------------------------------------------------------------
Public function prototypes
--------------------------------------------------------------------------------------------------*/
void LCD_init         (void);
void LCD_write_char   (unsigned command,unsigned data);
void LCD_set_xy       (unsigned char x, unsigned char y);
void LCD_write_string (unsigned char X,unsigned char Y,unsigned char *s);
void delay_nus        (unsigned int n);
void delay_nms        (unsigned int n);
void delay_1us(void);
void delay_1ms(void);