基于51单片机蓝牙开关控制家电系统

TMOD = 0x20; //T1方式2，用于产生波特率 TH1 = 0xFD; //装初值 TL1 = 0xFD; TR1 = 1; //启动定时器1 EA = 1; //打开全局中断控制 ES = 1; //串行口中断 }

void UartPrintf(unsigned char *p) //发送字符串 {

while(*p) { SBUF=*(p++); while(TI==0) { ; ; ; }; TI=0; } }

void UartPrintASCII(unsigned char c) {

TI=0; SBUF=c; while(TI==0); TI=0; }

void RECEIVE_DATA(void) interrupt 4 using 1 { if(RI == 1) {

temp = SBUF; if(temp == 'A') {

Flag_Relay1 = !Flag_Relay1; UartPrintf(\ }

else if(temp == 'B') {

Flag_Relay2 = !Flag_Relay2; UartPrintf(\ }

else if(temp == 'C') {

Flag_Relay3 = !Flag_Relay3; UartPrintf(\ }

else if(temp == 'D') {

Flag_Relay4 = !Flag_Relay4; UartPrintf(\ } RI = 0; }

//发送一个字符 //串口中断 9

}

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