linux+c+串口

intfd=open(path,O_RDWR);structtermiosattr;tcgetattr(fd,&attr;);cfsetspeed(&attr;,B9600);tcsetattr(fd,TCSANOW,&attr;);read(fd,buf,sizeof(buf));printf("%s\n",buf);write(fd,data,sizeof(data));read(fd,buf,sizeof(buf));