uart—lcd2.c

单片机实现串口通信

#include<reg51.h>
#include<intrins.h>
#include"zhou.h"
 sbit P3_7=P3^7;

 UINT8 a[32],j=0;
 void Uart_Init(void)
 {	  SCON=0x50;
      PCON=0x80;
	  TMOD=0x20;
	  TH1=0xF3;
	  TL1=0xF3;
	  P3_7=0;
	  TR1=1;
	  EA=1;
	  ES=1;
 }



 void T_Uart(UINT8 Y)
 {    SBUF=Y;
      while(~TI)
	  {    ;
	  }
	  TI=0;
 }



 void R_Uart(void) interrupt 4 using 1
 {    UINT8 y;
      RI=0;
	  EA=0;
      y=SBUF;
	  T_Uart(y);
	  EA=1;
	  a[j]=y;
	  j++;
	  
          
 }


 void main(void)
 {    UINT8 i,*p,j=0;
      Uart_Init();


	  Delay_MS(100);
	  LCD_Init();
	 


      while(1)
	  {  i=0;
         j=0;
	     p=a;
		  LCD_Clear();
		  //LCD_W_Str(5,0,"SHUAIge");
		  Delay_MS(250);
		  
		  while(*p)
		  {   if(i>15)
		      {    i=i-16;
    		        //LCD_Clear();
                 //LCD_W_Str(5,0,"SHUAIge");
		           Delay_MS(250);
					  j++;
				}
		      LCD_W_Char(i,j,*p);
		      i++;
			   p++;
			   Delay_MS(250);
			   ;
		  }    
		  Delay_MS(250);
	 }
}