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標題: 藍牙發送字符并回收 [打印本頁]

作者: 1358279517 時間: 2016-4-14 19:05
標題: 藍牙發送字符并回收
#include<reg51.h>

sbit a=P1^0;    //led1
sbit b=P1^1;
sbit c=P1^2;
sbit d=P1^3;
sbit h1=P0^0;    //紅外對管
sbit h2=P0^1;    //紅外對管
sbit h3=P0^4;    //紅外對管

int  go,back,left,right,clean,clean_over,xunji,xunji_over;
int flag_uart=0;
int flag_on=0;

void UsartConfiguration();    //串口初始化

void main()
{
UsartConfiguration();
while(1)
{
   if(flag_uart==1)
   {
   ES=0;
        flag_uart=0;
        switch(flag_on)
   {
   case 1: go=1;       break;
   case 2: back=1;    break;
   case 3: left=1;    break;
   case 4: right=1;    break;
   case 5: clean=1;       break;
   case 6: xunji=1;       break;
   case 7: clean_over=1; break;
   case 8: xunji_over=1; break;
   }
   ES=1;
   flag_on=0;
   }
   if(go==1)
   a=0;

}
}

//串口初始化
void UsartConfiguration()
{
SCON=0X50; //設置為工作方式1
TMOD=0X20; //設置計數器工作方式2
PCON=0X80; //波特率加倍
TH1=0XFd; //計數器初始值設置，注意波特率是9600
TL1=0XFd;
ES=1; //打開接收中斷
EA=1; //打開總中斷
TR1=1; //打開計數器
}

//串口中斷：中斷入口號4

void Usart() interrupt 4
{

int receiveData;
receiveData=SBUF;//出去接收到的數據
RI = 0;//清除接收中斷標志位

//new
flag_uart  =  1;
if(receiveData==97)       flag_on=1;
else if(receiveData=='i') flag_on=2;
else if(receiveData=='j') flag_on=3;
else if(receiveData=='k')    flag_on=4;
else if(receiveData=='l') flag_on=5;
else if(receiveData=='m')    flag_on=6;
else if(receiveData=='n')    flag_on=7;
else if(receiveData=='o')    flag_on=8;

SBUF=receiveData; //將接收到的數據放入到發送寄存器
while(!TI);    //等待發送數據完成
TI=0;    //清除發送完成標志位
}

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