Untitled

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>Print Test</title>

        <script type="text/javascript" src="epos-2.3.0.js"></script>

        <script type="text/javascript">
        var ePosDev = new epson.ePOSDevice();

        function connect()
        {
            var ipAddress = '192.168.1.23';
            var port = '9100';
            ePosDev.connect(ipAddress, port, callback_connect);
        }

        function callback_connect(resultConnect)
        {
            console.log('Callback Called');
            var deviceId = 'local_printer';
            var options = {'crypto' : false, 'buffer' : false};
            console.log( "resultConnect: " + resultConnect);

            if ((resultConnect == 'OK') || (resultConnect == 'SSL_CONNECT_OK'))
            {
                console.log('Connected!');
                ePosDev.createDevice(deviceID,ePosDev.DEVICE_TYPE_PRINTER,options,callback_createDevice);
            }
            else
            {
                console.log('Not Connected!');
            }
        }

        var printer = null;

        function callback_createDevice(deviceObj, errorCode)
        {
            console.log("enter callback_createDevice");
            if (deviceObj === null)
            {
                //Displays an error message if the system fails to retrieve the Printer object
                return;
            }
            printer = deviceObj;
            //Registers the print complete event
            printer.onreceive = function(response)
            {
                if (response.success)
                {
                    console.log("response: success");
                }
                else
                {
                    console.log("response: failed");
                }
            };
        }

        function createData()
        {
            printer.addTextAlign(printer.ALIGN_CENTER);
            printer.addText("Hello World\n");
        }

        function send()
        {
            if (ePosDev.isConnected)
            {
                console.log("creating data");
                createData();
                printer.send();
            }
        }
        //Discards the Printer object
        // ePosDev.deleteDevice(printer, callback_deleteDevice);
        // function callback_deleteDevice(errorCode)
        // {
        //     //Terminates connection with device
        //     ePosDev.disconnect();
        // }
</script>
    </head>
    <body>
        <input type="button" onclick="connect()" value="Connect" />
        <input type="button" onClick="send()" value="Print Hello World" />
    </body>
</html>