請問這個錯誤該怎么辦？改了很久都不對
#ifndef __LCD1602_H__
#define __LCD1602_H__
#define LCD1602_PORT P0
//#include <reg52.h>
#include <STC89C5xRC.H>
Sbit LCD1602_RS = P2^6;
Sbit LCD1602_RW = P2^5;
Sbit LCD1602_EN = P2^7;
//????????
extern void LCD1602_delay_ms(unsigned int n);
extern void LCD1602_write_com(unsigned char com);
extern void LCD1602_printc(unsigned char dat);
extern void LCD1602_prints(unsigned char *s);
extern void LCD1602_Init();
extern void LCD1602_set_position( bit hang, unsigned char x); //LCD?????x?
extern void LcdPrintNum(unsigned int num);
#endif
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