main.c

keil 下单片机与2404通讯

 /************************
 Author: tucunwang
 Date   : 2008-3-13
 
 
*************************/ 
 #include <reg931.h>
 #include "hi2c_c51.h"
 #define   suba  0x00
 #define	uchar unsigned char

 uchar  key,read=0,i;
 uchar	buff0[16],buff1[16];
 bit flag=0;
/****************串口初始化*************/
void Serial_int(void)  
{
  SCON=0X50;
  SSTAT=0X00;
  BRGCON=0X00;
  BRGR1=0X02;
  BRGR0=0XF0;     //9600
  BRGCON=0X03;
  IEN0=0X10;
  IEN1=0X40;
  EI2C=1;
  EA=1;
 }
 /**********************************/
 
 void delayMS(unsigned int i)
{ 
	unsigned char j,k;
	for(k=0;k<i;k++)
		for(j=0;j<100;j++);
}
 /***************************************/
 void Serial_Send(unsigned char a)
 {
   
   SBUF= a;
   while(TI==0);
   TI=0;
 }
 void Serial_rev() interrupt 4
 {
   if(RI==1)
     RI=0;
	 read=SBUF;
   if(TI==1) 
	 TI=0;
	 flag=1;
 }					      
 void main()
 { 		   
   P1M1=0X4c;
   P1M2=0X4C;
   WDCON=0xe0;
   Serial_int();
   Serial_Send(0x46);
   for(i=0;i<16;i++)buff0[i]=i;
   
   while(1)
   {
	if(ISendStr(0xa0,suba,buff0,16)==1)
	 {
	  Serial_Send(0XFf);
	  for(i=0;i<16;i++)
	   {
		 Serial_Send(buff0[i]);
	   }
	  delayMS(100);
	   	 if(IRcvStr(0xa0,suba,buff1,16)==1)
		 {
		  Serial_Send(0X00);
		  for(i=0;i<16;i++)
		  Serial_Send(buff1[i]);
		 }
     }
	}



   /*
   while(1)
   {
	  if((read==0xf0)&&(flag==1))
	  {  
		Serial_Send(0XF1);
		delayMS(100);
		if(ISendStr(0xa0,suba,buff0,16)==1)
		{
		  for(i=0;i<16;i++)
		  {
		    Serial_Send(buff0[i]);
		  }
		  read=0x00;
		  flag=0;
		}
	  }
   	 if((read==0xff)&&(flag==1))
	  {
	   	Serial_Send(0XF2);
		delayMS(100);
		if(IRcvStr(0xa0,suba,buff1,16)==1)
		{
		  for(i=0;i<16;i++)
		  Serial_Send(buff1[i]);
		  read=0;
		  flag=0;
		}
	  }

	}*/
   while(1);
}