sendForm.php

<?php

//check the GET action var to see if an action is to be performed 

    //Load the serial port class 
    require("php_serial.class.php");
    $serial = new phpSerial();
    $serial->deviceSet("/dev/cu.usbmodem1421");
    $serial->confBaudRate(9600);
    $serial->deviceOpen();
    $pin = $_GET['pin'];
    $value = $_GET['value'];
    error_log($value);
    $direction = $_GET['direction'];
    // send values to arduino
    //error_log('get' . $pin . ' ' . $value . ' ' . $direction);
    //$serial->sendMessage($pin . '?value=' . $value . '?direction=' . $direction);
    $serial->sendMessage('A'.$pin .'B'.$value.'C'.$direction);
    //$serial->sendMessage($value);
    //Issue the appropriate command according to the Arduino source code 0=Green On, 1=Green Off, 2=Red On, 3=Red Off.
    // close serial connection
    $serial->deviceClose();
?>