Gadgeteer Weather Crier XML 02

using System;
using System.Collections;
using System.Threading;
using Microsoft.SPOT;

using Gadgeteer.Networking;
using GT = Gadgeteer;
using GTM = Gadgeteer.Modules;
using Gadgeteer.Modules.GHIElectronics;
using System.IO;
using Gadgeteer.Modules.Seeed;

// the special driver
using Gadgeteer.Modules.Music_Driver;

namespace Gadgeteer_Weather_Crier_XML_02
{

    public partial class Program
    {

        GT.StorageDevice usbStorage;

        int currentPosition = 1;
        int lastPostion = 1;

        bool musicStopRequested = false;

        FileStream stream;
        ArrayList musicFiles = new ArrayList();

        // create a time based event robot to trigger repeated tasks
        GT.Timer timer = new GT.Timer(1000, GT.Timer.BehaviorType.RunOnce);

        // This method is run when the mainboard is powered up or reset.
        void ProgramStarted()
        {
            Debug.Print("Program Started");

            // jump out of the start section
            timer.Tick += new GT.Timer.TickEventHandler(timer_Tick);
            timer.Start();

            // Use Debug.Print to show messages in Visual Studio's "Output" window during debugging.
            Debug.Print("Program Running");
        }

        void timer_Tick(GT.Timer timer)
        {
            // Initialize usb event handling robots
            usbHost.USBDriveConnected += new UsbHost.USBDriveConnectedEventHandler(usbHost_USBDriveConnected);
            usbHost.USBDriveDisconnected += new UsbHost.USBDriveDisconnectedEventHandler(usbHost_USBDriveDisconnected);

            // todo: do this after the usb is connected

            // set the calibration point (the device shouldn't be moving!)
            // accelerometer.Calibrate();
            // watcher for the measurement
            accelerometer.ContinuousMeasurementInterval = new TimeSpan(0, 0, 0, 0, 1000);
            accelerometer.MeasurementComplete += new Accelerometer.MeasurementCompleteEventHandler(accelerometer_MeasurementComplete);
            accelerometer.StartContinuousMeasurements();

            // music finished listening robot
            music.MusicFinished += new Music.MusicFinishedPlayingEventHandler(music_MusicFinished);
            music.SetVolume(255);

        }

        void accelerometer_MeasurementComplete(Accelerometer sender, Accelerometer.Acceleration acceleration)
        {
            Debug.Print(acceleration.X + " " + acceleration.Y + " " + acceleration.Z);

            // work out the position of the device
            // compare postion with last position
            // log the position
            // if changed do something


            if (acceleration.Z < -0.5)
            {
                Debug.Print("OH NO Minus Z!");
                currentPosition = 0;

                if (currentPosition != lastPostion)
                {


                    if (music.IsBusy)
                    {
                        Debug.Print("Interupting...");
                        musicStopRequested = true;

                        //Thread.Sleep(1000);
                        music.StopPlaying();
                    }
                    else
                    {

                    }

                }

                // log current position
                lastPostion = currentPosition;
            }
            //else if (acceleration.Z < -0.5)
            //{
            //    Debug.Print("OH YES Plus Z!");
            //    currentPosition = 0;

            //    if (currentPosition != lastPostion)
            //    {
            //        if (music.IsBusy)
            //        {
            //            Debug.Print("Interupting...");
            //            Thread.Sleep(1000);
            //            music.StopPlaying();
            //        }
            //        else
            //        {
            //            // play nothing - playTracks will ingore this
            //            playTracks();
            //        }
            //        currentPosition = lastPostion;
            //    }

            //}

            else if (acceleration.X > 0.15)
            {
                Debug.Print("X > 0.15");
                Debug.Print("Postion 1");

                currentPosition = 1;

                if (currentPosition != lastPostion)
                {


                    if (music.IsBusy)
                    {
                        Debug.Print("Interupting...");
                        musicStopRequested = true;

                        //Thread.Sleep(1000);
                        music.StopPlaying();
                    }
                    else
                    {
                        musicStopRequested = true;
                        playTracks();
                    }

                }

                lastPostion = currentPosition;
            }
            else if (acceleration.X < 0)
            {

                Debug.Print("X < 0");
                //
                Debug.Print("Postion 2");

                currentPosition = 2;

                if (currentPosition != lastPostion)
                {


                    if (music.IsBusy)
                    {
                        Debug.Print("Interupting...");
                        //Thread.Sleep(1000);
                        musicStopRequested = true;

                        music.StopPlaying();
                    }
                    else
                    {
                        musicStopRequested = true;
                        playTracks();
                    }

                }

                lastPostion = currentPosition;
            }

        }


        void usbHost_USBDriveConnected(UsbHost sender, GT.StorageDevice storageDevice)
        {
            Debug.Print("USB Storage connected");
            usbStorage = storageDevice;
            string[] usbDirectory = storageDevice.ListRootDirectoryFiles();
            foreach (string fileName in usbDirectory)
            {
                Debug.Print("    " + fileName);
            }

            musicFiles.Add("01.mp3");
            musicFiles.Add("02.mp3");
            //musicFiles.Add("audio" + Path.DirectorySeparatorChar + "01.mp3");
            //musicFiles.Add("audio" + Path.DirectorySeparatorChar + "02.mp3");
        }

        void playTracks()
        {


                if (currentPosition == 0)
                {
                    // do nothing and wait for change of postion
                }
                else if (currentPosition == 1 || currentPosition == 2)
                {

                    Debug.Print("Moving to next audio track: currentPosition = " + currentPosition);
                    Debug.Print("Opening track: " + (String)musicFiles[currentPosition - 1]);
                    stream = usbStorage.Open((String)musicFiles[currentPosition - 1], FileMode.Open, FileAccess.Read);
                    music.SetVolume(255);
                    Debug.Print("Starting to play: " + (String)musicFiles[currentPosition - 1]);
                    music.Play(stream);

                }

            //else
            //{
            //  Debug.Print("failed to play");
            //}
        }

        void music_MusicFinished(Music sender)
        {
            Debug.Print("Track finishing");
            //Debug.Print("Checking for new tracks");

            if (musicStopRequested == true)
            {
                musicStopRequested = false;
                Thread.Sleep(2000);
                Debug.Print("Track restart requested");

                playTracks();
            }
        }

        void usbHost_USBDriveDisconnected(UsbHost sender)
        {
            Debug.Print("USB Storage Disconnected");
            musicFiles.Clear();
            usbStorage = null;
        }


    }
}