lcd.h

适用于LCD12864

/********************************************************/
/*             液晶显示模块控制函数定义                 */
/********************************************************/

#ifndef __LCD
#define __LCD

#include <absacc.h>
// 定义LCD数据端口以及控制端口
#define DBus	XBYTE[0xa000]
#define CPort	XBYTE[0x9000]
// 定义各控制线掩码
#define DI	0x01	// D0
#define RW	0x02	// D1...
#define E	0x04
#define CS0	0x08
#define CS1	0x10
#define LCDRST	0x20
#define DBusOE	0x40
#define BLCTRL	0x80	// D7

void LCD_BackLight(int);
void LCD_WaitIdle(unsigned char);
void LCD_WriteCommand(unsigned char, unsigned char);
void LCD_Reset(void);
void LCD_SetXAddress(unsigned char, unsigned char);
void LCD_SetYAddress(unsigned char, unsigned char);
void LCD_WriteData(unsigned char,unsigned char,unsigned char);
void LCD_ClrScr(unsigned char);

#endif