serial driver + ioctl

[Morten W. J.]

(Not tested....) 

struct termios tnew;
file fd = open("yourdevice", RD_WR); //or something like that...
tcgetattr(fd, &tnew);

speed_t baudrate = B57600;
cfsetispeed(&tnew, baudrate);
cfsetospeed(&tnew, baudrate);
err =  tcsetattr(fd,TCSAFLUSH, &tnew);

-- 
Morten W. Jørgensen