蓝牙模块C程序

//模块：HC-05蓝牙模块

//功能：手机蓝牙控制3路继电器的开关

//编写：Z X C

//时间：2015-5-26

#include

#define uint unsigned int

#define uchar unsigned char

sbit REY1=P1^2;

sbit REY2=P1^1;

sbit REY3=P1^0;

uchar data SendDataPoint;

uchar data SendDataLength;

uchar data ReceiveDataPoint;

uchar data ReceiveByte;

uchar SendAskBatVolCommandCnt0;

uchar tmp[64]; // tmp表示需要发送数据

void startDischarge();

void stopDischarge();

bit ReceiveStart;

bit ReceiveFlag;

void Return() //接收数据处理程序

{

uchar i;

if(ReceiveFlag)

{

switch(tmp[0])

{

case 0x31: //开启继电器1

REY1=0;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x31;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

case 0x32: //关闭继电器1

REY1=1;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x32;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

case 0x33: //开启继电器2

REY2=0;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x33;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

case 0x34: //关闭继电器2

REY2=1;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x34;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

case 0x35: //开启继电器3

REY3=0;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x35;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

case 0x36: //关闭继电器3

REY3=1;

SendDataPoint = 0;

SendDataLength = 0;

tmp[0]=0x36;

while(SendDataPoint <= SendDataLength)

{

SBUF = tmp[SendDataPoint];

while(TI == 0); //等待一个字节发送完成

TI = 0;

SendDataPoint ++;

}

break;

}

ReceiveFlag = 0;

for(i = 0; i < 64; i ++) tmp[i] = 0;

}

}

//*************接收程序*************

void uart(void) interrupt 4 using 2

{

uchar a;

ES = 0;

if(RI)

{

a = SBUF;

RI = 0;

tmp[ReceiveDataPoint] = a;

//if(a == 0x31 && !ReceiveStart)

//{

ReceiveStart = 1;

//}

if(ReceiveStart)

{

ReceiveDataPoint ++; //开始接收，指针地址加1

ReceiveByte = 0; //接收字节数ReceiveByte = 0;目的是只接收一个字节

if(ReceiveDataPoint >= ReceiveByte)

{

ReceiveFlag = 1;

}

if(ReceiveDataPoint >=0)

{

ReceiveDataPoint = 0;

ReceiveStart = 0;

}

}

}

ES = 1;

}

void main() //主程序

{

SCON = 0x50; //设置串口工作于方式1，允许接收

TMOD = 0x20; //

TH1 = 0xfD; //设置波特率为9600

TL1 = 0xfD;

TR1 = 1; //启动定时器1

ES = 1; //允许串口中断

EA = 1; //打开所有中断

while(1)

{

Return();

}