//串口发送

void sendChar(char *p)//调用前关中断，调用完成后关中断{ while(*p != '\0') {  SBUF = *P  while(!TI);    TI = 0;  p++; }}

 

//串口接收

//串口初始化

void series_init(){ SCON = 0x50; //串口工作方式1，允许接受 TMOD = 0x20; //定时器T1工作方式2 TH1 = 0xfd;TL1 = 0xfd; //定时初值 PCON &= 0x00; //smod = 0 TR1 = 1； //开启定时器1 EA = 1;ES = 1; //开总中断可串行终端}

 

unsigned char ReceiveBuf;//串行中断服务函数void series() interrupt 4{ RI = 0; ReceiveBuf = SBUF; /*  do something; */}