单片机与蓝牙通信程序.txt

单片机与蓝牙通信的简单程序

简单51串口接受蓝牙数据C程序
include
unsigned char c_s[];
unsigned char f_s[]={0x0c,0x0d,0x0b,0x07,0x0c,0x0a,0x06,0x09,0x05,0x03}; //发声控制脉冲
unsigned char i=0;
unsigned char p_c; 
void delay(unsigned int a)
{
 unsigned int i;
 while(a--){
 for(i=0;i<125;i++)
 {}
 }
}

void chkou() interrupt 4 {       //中断处理
 if(p_c==0){                      //判数字标志位
  if(RI){                        //判中断
   RI=0;                         //
   c_s[0]=SBUF;                  //读数
   if(c_s[0]==0x43){             //判C
    p_c=1;
    }
   else {
    p_c=0;
   }
  }
 }
 else{
  if(RI){
   RI=0;
   c_s[i]=SBUF;
   while(!RI);
   RI=0;
   if(c_s[i]==0x0d){              //判D
    EA=0;                       //关中断
    p_c=0;                         
    panduan();
    EA=1;
    }
   else{
    i++;
   }
  }
 }
}

panduan(){                        //发声程序
 unsigned char a,b;
 for(a=0;a  b=c_s[a];
  P1=f_s[b];
  delay(10000);                    //大概延时
  delay(10000);
 }
}

void main(){
 SCON = 0x50;                 /* mode 1: 8-bit UART, enable receiver */
 TMOD = 0x21;                /* timer 1 mode 2: 8-Bit reload */
 PCON = 0x80;
 TH1 = 0xf0; TL1 = 0xf0;                 /* reload value 19200 baud */
 TR1 = 1;
 ET1=0;                                                         
 ES = 1;                    /* timer 1 run */
 EA=1;
 SM2=0;                      //no more
 /*TH0=31; TL0=0;
 TR0=1;                      //X 32 =1S  */
 RI=0; TI=0;
 while(1);                      //ET0=1;
}