lcd7920.h

LCD7920汉字液晶操作程序

/****************************************************************************
*                                                                           *
* File:         LCD.H                                                       *
*                                                                           *
* Created:      29/12/05                                                    *
*                                                                           *
* Author:       王凤秀                                                      *
*                                                                           *
* Compiler:     KEIL C51 V6.23                                              *
*                                                                           *
* Description:  RT12864液晶屏例程库头文件.                                  *
*                                                                           *
*****************************************************************************
*                                                                           *
* Version | Date     | Description                                          *
* --------+----------+----------------------------------------------------- *
* V1.0    | 21.11.95 | 原始文本                                             *
*                                                                           *
****************************************************************************/
#ifdef _LCD_GLOBALS
 #define _LCD_EXT
#else
 #define _LCD_EXT        extern
#endif

//液晶端口定义
sbit RS    = P2 ^ 0;
sbit RnW   = P2 ^ 1;
sbit E     = P2 ^ 2;

//定义宏
//#define Get_LCD_Status (LCD_CMD_ADD)
#define Get_LCD_DATA   (LCD_DATA_ADD)
#define BL_On          (BL_Port=true)
#define BL_Off         (BL_Port=false)







_LCD_EXT void LCD_Init(void);
_LCD_EXT void  LCD_Wait_nBysy(void);
_LCD_EXT void LCD_Init(void);
_LCD_EXT void  LCD_Wait_nBysy(void);
_LCD_EXT void LCD_Print_Chinese(uchar _ROW,uchar _COL, uchar code  * PT,uchar _Num);
_LCD_EXT void LCD_Print_Chr(uchar _ROW,uchar _COL, uchar PT);
_LCD_EXT void LCD_Print_HEX(uchar _ROW,uchar _COL, uchar _DATA);
_LCD_EXT void LCD_Send_CMD(uchar _Cmd);
_LCD_EXT void LCD_Send_Data(uchar _Data);
_LCD_EXT uchar LCD_Read_CMD(void);
_LCD_EXT uchar LCD_Read_Data(void);