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  <h1 class="Estilo1 Estilo2">Contol de Riego </h1>
  <table width="688" border="2" cellpadding="3" cellspacing="2" bgcolor="#0099CC">
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      <td width="320" class="Estilo4">Riego Exterior</td>
      <td width="171" class="Estilo4"><div align="center"><a href="<?=$_SERVER['PHP_SELF'] . "?action=on" ?>">ON</a></div></td>
      <td width="161" class="Estilo4"><div align="center"><a href="<?=$_SERVER['PHP_SELF'] . "?action=off" ?>">OFF</a></div></td>
    </tr>
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  <p class="Estilo1"><span class="Estilo3"><a href="control.php">Regresar</a></span></p>
  <p class="Estilo1">&nbsp;</p>
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<?php


if (isset($_GET['action'])) {
    //Action required

    //Load the serial port class
    require("php_serial.class.php");

    //Initialize the class
    $serial = new phpSerial();

    //Specify the serial port to use... in this case COM1
    $serial->deviceSet("/dev/ttyACM0"); //SET THIS TO WHATEVER YOUR SERIAL DEVICE HAPPENS TO BE, YOU CAN FIND THIS UNDER THE ARDUINO SOFTWARE'S MENU

    //Set the serial port parameters. The documentation says 9600 8-N-1, so
    $serial->confBaudRate(9600); //Baud rate: 9600
   // $serial->confParity("none");  //Parity (this is the "N" in "8-N-1") ******THIS PART OF THE CODE WAS NOT NEEDED
  // $serial->confCharacterLength(8); //Character length (this is the "8" in "8-N-1") ******THIS PART OF THE CODE WAS NOT NEEDED
   // $serial->confStopBits(1);  //Stop bits (this is the "1" in "8-N-1") ******THIS PART OF THE CODE WAS NOT NEEDED
    //$serial->confFlowControl("none"); //******THIS PART OF THE CODE WAS NOT NEEDED


    //Now we "open" the serial port so we can write to it
    $serial->deviceOpen();

    //Issue the appropriate command according to the Arduino source code 0=Green On, 1=Green Off, 2=Red On, 3=Red Off.
    if ($_GET['action'] == "on") {
        //to turn the GREEN LED ON, we issue the command
        $serial->sendMessage("z\r");

    } else if ($_GET['action'] == "off") {
        //to turn the GREEN LED OFF, we issue this command
        $serial->sendMessage("x\r");
    }


    //We're done, so close the serial port again
    $serial->deviceClose();

}


?>