$ret = elcomat( "x");
$ret = elcomat( "y");
The serial line interface is set to 2400 Bd. I/O is done
via /dev/ttyS0.
$ret = elcomat_ascii( "ttyS0", "x");
$ret = elcomat_ascii( "ttyS0", "y");
The serial line interface is set to 19200 Bd.