/// <summary>
/// Change the input MIDI device from which to receive messages
/// </summary>
/// <param name="sender">Element that fired the event</param>
/// <param name="e">Event arguments</param>
private async void inputDevices_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Get the selected input MIDI device
int selectedInputDeviceIndex = (sender as ListView).SelectedIndex;
// Try to create a MidiInPort
if (selectedInputDeviceIndex < 0)
{
// Clear input device messages
InputDeviceMessages.Clear();
InputDeviceMessages.Add("Select a MIDI input device to be able to see its messages");
inputDeviceMessages.IsEnabled = false;
NotifyUser("Select a MIDI input device to be able to see its messages");
return;
}
DeviceInformationCollection devInfoCollection = _midiInDeviceWatcher.GetDeviceInformationCollection();
if (devInfoCollection == null)
{
InputDeviceMessages.Clear();
InputDeviceMessages.Add("Device not found!");
inputDeviceMessages.IsEnabled = false;
NotifyUser("Device not found!");
return;
}
DeviceInformation devInfo = devInfoCollection[selectedInputDeviceIndex];
if (devInfo == null)
{
InputDeviceMessages.Clear();
InputDeviceMessages.Add("Device not found!");
inputDeviceMessages.IsEnabled = false;
NotifyUser("Device not found!");
return;
}
var currentMidiInputDevice = await MidiInPort.FromIdAsync(devInfo.Id);
if (currentMidiInputDevice == null)
{
NotifyUser("Unable to create MidiInPort from input device");
return;
}
// We have successfully created a MidiInPort; add the device to the list of active devices, and set up message receiving
if (!_midiInPorts.Contains(currentMidiInputDevice))
{
_midiInPorts.Add(currentMidiInputDevice);
currentMidiInputDevice.MessageReceived += MidiInputDevice_MessageReceived;
}
// Clear any previous input messages
InputDeviceMessages.Clear();
inputDeviceMessages.IsEnabled = true;
NotifyUser("Input Device selected successfully! Waiting for messages...");
}
public MainPage()
{
this.InitializeComponent();
App.Current.Suspending += Current_Suspending;
mArduino = new ArduinoManager();
mGPIO = new GPIOManager();
mGameNoteIndexs = new int[5] {
0, 0, 0, 0, 0
};
mCurrentGameNote = new MidiGameNote[5];
mIsInited = false;
mIsPlaying = false;
Task.Run(async() =>
{
SMFReader r = new SMFReader();
mSMF = await r.Read(@"Assets\out.mid");
var w = new MidiDeviceWatcher(MidiOutPort.GetDeviceSelector(), Dispatcher);
w.Start();
var col = w.GetDeviceInformationCollection();
var l = await DeviceInformation.FindAllAsync(MidiOutPort.GetDeviceSelector());
MIDIPort = await MidiOutPort.FromIdAsync(l[0].Id);
await mArduino.Init();
await mGPIO.Init(GpioController.GetDefault());
mGPIO.MidiButtonChanged += MGPIO_MidiButtonChanged;
mGPIO.JoyButtonChanged += MGPIO_JoyButtonChanged;
mPlayer = new SMFPlayer(mSMF, MIDIPort);
mPlayer.OnLED += Player_OnLED;
mPlayer.OnBarBeatChanged += Player_BarBeatChanged;
mPlayer.OnTempoChanged += Player_OnTempoChanged;
mGPIO.Ack();
mIsInited = true;
});
mVolTimer = new DispatcherTimer();
mVolTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
mVolTimer.Tick += MVolTimer_Tick;
mVolTimer.Start();
}
