单片机通信主从通信

#include“reg52.h“
#include“stdio.h“
#include“math.h“
#include“absacc.h“
#include“intrins.h“ 

typedef unsigned char uchar;
typedef unsigned int  uint;
uchar UART_buff;
uchar recive=0;
unsigned char code tab[]={“0123456789“};
uchar dt[6]kd=0;
sbit rs=P2^6;            
sbit rw=P2^5;           
sbit en=P2^7;
void Delay（unsigned int x）
{
	unsigned int i;
	for（i=0;i}
void lcd_wcom（uchar com）           
{
    rs=0;               
    rw=0;               
    P0=com;           
    Delay（5）;       
    en=1;           
    en=0;
}
void lcd_wdat（uchar dat）       
{
    rs=1;            
    rw=0;            
    P0=dat;        
    Delay（5）;      
    en=1;        
    en=0;
 }
void lcd_init（void）             
{
    lcd_wcom（0x38）;           
    lcd_wcom（0x0c）;      
    lcd_wcom（0x06）;    
    lcd_wcom（0x01）;    
}
void display_ready（）             
{
    lcd_wcom（0x80+0x00）;
    lcd_wdat（‘R‘）;
    lcd_wdat（‘e‘）;
	lcd_wdat（‘a‘）;
	lcd_wdat（‘d‘）;
	lcd_wdat（‘y‘）;
    lcd_wdat（‘ ‘）;
	lcd_wdat（‘r‘）;
	lcd_wdat（‘e‘）;
	lcd_wdat（‘c‘）;
	lcd_wdat（‘i‘）;
	lcd_wdat（‘v‘）;
	lcd_wdat（‘e‘）;
}
void displa