lcd.h

S52单片机对PS/2键盘的主从通信

//**************************************************************************
//向LCD写入命令或数据************************************************************
#define LCD_COMMAND   0x00      // Command
#define LCD_DATA   0x01         // Data
#define LCD_CLEAR_SCREEN 0x01   // 清屏
#define LCD_HOMING    0x02      // 光标返回原点
//设置显示模式************************************************************
#define LCD_SHOW   0x04    //显示开
#define LCD_HIDE   0x00    //显示关   

#define LCD_CURSOR   0x02  //显示光标
#define LCD_NO_CURSOR  0x00    //无光标       

#define LCD_FLASH   0x01    //光标闪动
#define LCD_NO_FLASH  0x00    //光标不闪动
//设置输入模式************************************************************
#define LCD_AC_UP   0x02
#define LCD_AC_DOWN   0x00      // default

#define LCD_MOVE   0x01      // 画面可平移
#define LCD_NO_MOVE   0x00      //default
//移动光标或屏幕************************************************************
#define LCD_CURSOR  0x02      
#define LCD_SCREEN  0x08
#define LCD_LEFT  0x00
#define LCD_RIGHT  0x04
//**************************************************************************
void Delay1ms(unsigned int count);
unsigned char LCD_Wait(void);
void LCD_Write(unsigned char style, unsigned char input);
void LCD_SetDisplay(unsigned char DisplayMode);
void LCD_SetInput(unsigned char InputMode);
void LCD_Move(unsigned char object, unsigned char direction);
//初始化LCD************************************************************
void LCD_Initial();
void GotoXY(unsigned char x, unsigned char y);//y是行 ，x是列
void Print(unsigned char *str);
void LCD_LoadChar(unsigned char user[8], unsigned char place);