Gadgeteer Beeper (Weird)

using System;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Presentation;
using Microsoft.SPOT.Presentation.Controls;
using Microsoft.SPOT.Presentation.Media;
using Microsoft.SPOT.Touch;

using Gadgeteer.Networking;
using GT = Gadgeteer;
using GTM = Gadgeteer.Modules;
using Gadgeteer.Modules.GHIElectronics;

namespace Gadgeteer_Beep_01
{

    public partial class Program
    {

        GT.Timer timer = new GT.Timer(1000, GT.Timer.BehaviorType.RunContinuously);
        GT.Interfaces.PWMOutput beeper;
        uint highNote = 1000;
        uint lowNote = 100;
        double noteRange;

        // This method is run when the mainboard is powered up or reset.
        void ProgramStarted()
        {

            timer.Tick += new GT.Timer.TickEventHandler(timer_Tick);
            timer.Start();

            GT.Socket socket = GT.Socket.GetSocket(11, true, null, null);
            beeper = new GT.Interfaces.PWMOutput(socket, GT.Socket.Pin.Seven, eBlockExpansion);

            noteRange = highNote - lowNote;

            // print something so we know we have started
            Debug.Print("Program Started");
        }

        void timer_Tick(GT.Timer timer)
        {

            printSound(20, lowNote + (UInt32)(joystick.GetJoystickPostion().X * noteRange));

        }



        void printSound(uint soundLength, uint soundSetting)
        {
            beeper.SetPulse(soundLength * 1000 * 1000, soundSetting * 10 * 1000);
            Debug.Print("soundSetting " + soundSetting);
        }




    }
}