在指定DO端口上执行输出
void uio_out(int $uio_id, int $pin, int $type)
<?php
include "/lib/sd_340.php";
uio_setup(0, 0, "out"); // configuring pin 0 of the UIO 0 to output port
uio_out(0, 0, HIGH); // outputs HIGH to pin 0 of the UIO 0
sleep(1);
uio_out(0, 0, LOW); // outputs LOW to pin 0 of the UIO 0
?>