串口通信.c

GSM开发板第三版资料

 #include <reg51.h>
 #define uchar unsigned char
 #define uint unsigned int
uchar code  CCMGF[11]={0x41,0x54,0x2B,0x43,0x4D,0x47,0x46,0x3D,0x30,0x0D,0x0A} ;
uchar code CMGS[12]={0x41,0x54,0x2B,0x43,0x4D,0x47,0x53,0x3D,0x32,0x36,0x0D,0x0A};
uchar data  MESSAGE[73]={0x30,0x38,0x39,0x31,0x36,0x38,0x33,0x31,0x30,0x38,
0x32,0x30,0x30,0x30,0x30,0x35,0x46,0x30,0x31,0x31,
0x30,0x30,0x30,0x42,0x38,0x31,0x33,0x31,0x39,0x36,
0x34,0x30,0x38,0x37,0x36,0x32,0x46,0x37,0x30,0x30,
0x30,0x38,0x41,0x37,0x30,0x43,0x30,0x30,0x36,0x31,
0x30,0x30,0x36,0x32,0x30,0x30,0x36,0x33,0x34,0x46,
0x36,0x30,0x35,0x39,0x37,0x44,0x46,0x46,0x30,0x31,0x1A,0x0D,0x0A};
 sbit b=P1^0;    
 sbit  a=P2^0; //第一个数码管
 sbit 	c=P2^1;	// 第一个数码管
 sbit   d=P2^2;	 //	第二个数码管


void  delay (uint xms) 
{
   uint  i,j;
   for(i=xms;i>0;i--)
     for(j=110;j>0;j--);

}

void inital()
{
	TMOD=0x20;
	TH1=0xfd;
	TL1=0xfd;
	
	REN=1;
	SM0=0;
	SM1=1;
	ES=1;
	TR1=1;

}
void main()
{	
   uchar i;
   inital();
   while( 1	)
   {
     if(b==0)
	 {
	   delay(10);
	   if(b==0)
	   {
		   for(i=0;i<11;i++)
		   {
		   	  	 SBUF=CCMGF[i] ;
                 while ( !TI);
                 TI=0;
			     delay(10);
		   }
		   a=0;	
		   delay(2000);
		   for(i=0;i<12;i++)
		   {
		   	  	 SBUF=CMGS[i];
                 while ( !TI);
                 TI=0;
			     delay(10);

		   }
		   c=0;
		   delay(2000);
		   for(i=0;i<73;i++)
		   {
		   	  	 SBUF=MESSAGE[i] ;
                 while ( !TI)	;
                 TI=0;
			     delay(10);

		   }
		   d=0;
		   delay(2000);


		   
	   }	   
	   while( b==0);
	  }
   }




}