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標(biāo)題:
基于51單片機(jī)藍(lán)牙小車?yán)?
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作者:
真得浪
時(shí)間:
2019-7-7 16:08
標(biāo)題:
基于51單片機(jī)藍(lán)牙小車?yán)?br />#include "reg52.h" //此文件中定義了單片機(jī)的一些特殊功能寄存器
typedef unsigned int u16; //對(duì)數(shù)據(jù)類型進(jìn)行聲明定義
typedef unsigned char u8;
sbit lift1=P1^1;
sbit lift2=P1^2;
sbit right1=P1^3;
sbit right2=P1^4;
u8 receiveData;
void UsartConfiguration()
{
SCON=0X50; //設(shè)置為工作方式1
TMOD=0X20; //設(shè)置計(jì)數(shù)器工作方式2
PCON=0X80; //波特率加倍
TH1=0XF3; //計(jì)數(shù)器初始值設(shè)置,注意波特率是4800的(晶振為12.0MHz)
TL1=0XF3;
ES=1; //打開接收中斷
EA=1; //打開總中斷
TR1=1; //打開計(jì)數(shù)器1
}
void main()
{
UsartConfiguration();
while(1)
{
if(receiveData == '1')//停
{
lift1=1;
lift2=1;
right1=1;
right2=1;;
}
if(receiveData == '2') //前
{
lift1=1;
lift2=0;
right1=1;
right2=0;
}
if(receiveData == '3') //后
{
lift1=0;
lift2=1;
right1=0;
right2=1;
}
if(receiveData == '4') //左
{
lift1=1;
lift2=1;
right1=1;
right2=0;
}
if(receiveData == '5') //右
{
lift1=1;
lift2=0;
right1=1;
right2=1;
}
}
}
void Usart() interrupt 4 //串行口中斷,為什么是4可以參考上一篇中斷的文章
{
receiveData=SBUF; //出去接收到的數(shù)據(jù)
RI = 0; //清除接收中斷標(biāo)志位
SBUF=receiveData; //將接收到的數(shù)據(jù)放入到發(fā)送寄存器
while(!TI); //等待發(fā)送數(shù)據(jù)完成
TI=0; //清除發(fā)送完成標(biāo)志位
}
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