// serial IO list
SerialIO.list() @=> string list[];
// print list
for( int i; i < list.size(); i++ )
{
    chout <= i <= ": " <= list[i] <= IO.newline();
}

// device number
0 => int device;
if( me.args() ) me.arg(0) => Std.atoi => device;
// serial io
SerialIO cereal;
// open serial device
cereal.open( device, SerialIO.B9600, SerialIO.ASCII );

// infinite time-loop
while( true )
{
    // wait on event
    cereal.onInts(2) => now;
    // get ints
    cereal.getInts() @=> int ints[];
    // print
    chout <= "ints: ";
    for( int i; i < ints.size(); i++ )
    {
        chout <= ints[i] <= " ";
    }
    chout <= IO.newline();
}