externh.h

在89C51上操作小型LCD,显示汉字,字符和图案,字库放在EEPROM

#include <reg51.h>
#include "..\..\typedef.h"
#include "..\osh.h"
#define UP		0x32
#define DOWN	0x35
#define OK		0x33
#define CANCEL	0x31
#define  BMPSTART   0xa80			//BMP图象起始地址。

typedef struct{
	U8 State;
	U8 menu0;
	U8 menu1;
	U8 menu2;
	struct{
		U8 Disp:1;
		U8 DispUpData:1;
	}Flag;
}GOB;
extern idata GOB g;

extern idata unsigned char uc0,uc1,uc2;
extern unsigned char *string;
extern unsigned char SystemNum,DelayTime;

extern void ClrBuffer(void);
extern void DispHz(unsigned char x,unsigned char y);
extern void DispCh(unsigned char x,unsigned char y,unsigned char ch);
extern void DispString(unsigned char x,unsigned char y);//,unsigned char *string);
extern void DispChange(void);
extern void LCDInit(unsigned char ce);
extern void Cls(void);
extern void LCDWrite(unsigned char CE,unsigned char Cmd,unsigned char ch);

extern void ClrArea(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1);
extern void NorArea(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1);
extern void DisplayLogo(unsigned int ,unsigned char);
extern void SystemInit(void);