public override void Run()
{
// We will come here once per millisecond to see if we have some USB incoming.
// USB reads are initiated here, and if one is pending, we must not initiate a new one.
// We buffer and analyze incoming data and asseble the MIDI messages.
// Each complete message is used in a call to MidiInport_MessageReceived.
//if (buffer[1] == 0xf0 && buffer[9] == 0x11) // Note: Offsets from MIDI SysEx standard due to embedded USB codes.
USB usb = (USB)MainPage_Portable.platform_specific[0];
if (usb != null && usb.InputEndpoint != null && usb.DeviceConnection != null)
{
// See if there is some data:
byte[] inputBuffer = new byte[64];
Int32 count;
count = usb.DeviceConnection.BulkTransfer(usb.InputEndpoint, inputBuffer, 64, 5000);
// Handle data if it was expected:
if (count > 0 && MainPage_Portable.uIHandler.queryType != UIHandler.QueryType.NONE)
{
collectionBuffer = AddBuffer(inputBuffer, count);
// Did we get the full message?
// Last 4 bytes starts with a USB code with value = 5, 6 or 7 rather than 4:
if (collectionBuffer[collectionBuffer.Length - 4] != 0x04)
{
rawData = RemoveUsbCodes(collectionBuffer);
collectionBuffer = null;
MidiInPort_MessageReceived(rawData);
}
}
}
}
private void UsbTransmit(byte[] buffer)
{
USB usb = (USB)MainPage_Portable.platform_specific[0];
if (usb != null && usb.HasPermission)
{
{
usb.DeviceConnection.BulkTransfer(usb.OutputEndpoint, buffer, buffer.Length, 5000);
}
}
}
private void Init()
{
Xamarin.Forms.DependencyService.Register <IMidi>();
// Get Integra7Random_Xamarin.MainPage:
MainPage_Portable = Integra7Random_Xamarin.MainPage.GetMainPage();
UIHandler.appType = UIHandler._appType.ANDROID;
// Make Portable project draw UI and get the Pickers for Midi output device:
MainPage_Portable.uIHandler.ShowLibrarianPage();
OutputSelector = MainPage_Portable.uIHandler.Librarian_midiOutputDevice;
InputSelector = MainPage_Portable.uIHandler.Librarian_midiInputDevice;
// Let the portable project know this MainActivity:
mainActivity = this;
MainPage_Portable.SetDeviceSpecificMainPage(this);
// Get and initiate USB:
UsbManager usbManager = (UsbManager)GetSystemService(Context.UsbService);
usb = new USB(usbManager, this);
// Hook up USB :
pendingIntent = PendingIntent.GetBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
filter.AddAction(USB_DEVICE_ATTACHED);
filter.AddAction(USB_DEVICE_DETACHED);
RegisterReceiver(usb, filter);
// Ask user for permission to use USB if creation and initiation was successful:
if (usb.Device != null && usb.Interface != null && usb.OutputEndpoint != null && usb.InputEndpoint != null)
{
usb.Manager.RequestPermission(usb.Device, pendingIntent);
usb.HasPermission = usb.Manager.HasPermission(usb.Device);
}
// Initiate MIDI:
MainPage_Portable.uIHandler.commonState.midi.Init(MainPage_Portable, "INTEGRA-7", OutputSelector, InputSelector, this, 0, 0);
// Let the portable project access our USB:
MainPage_Portable.platform_specific = new object[] { usb };
//MainPage_Portable.uIHandler.ScanForStudioSetNames();
//Android.Views.View view = this.SetContentView()
//mainActivity.Touch
//OnTouchListener +=
//Android.Views.View view = FindViewById(Resource.Id.sliding_tabs);
//view.SetOnTouchListener(this);
//SetOnListener(this);
//mainActivity. SetOnTouchListener()
// Show the librarian at startup:
MainPage_Portable.uIHandler.ShowLibrarianPage();
//TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer();
//tapGestureRecognizer.Tapped += (sender, e) => OnTouch((Android.Views.View)sender, (TappedEventArgs)e);
//MainPage_Portable.uIHandler.Librarian_Keyboard.GestureRecognizers.Add(tapGestureRecognizer);
//PanGestureRecognizer panGestureRecognizer = new PanGestureRecognizer();
////panGestureRecognizer.PanUpdated += panGestureRecognizer_PanUpdated;
//MainPage_Portable.uIHandler.Librarian_Keyboard.GestureRecognizers.Add(panGestureRecognizer);
//Image image = (Xamarin.Forms.Image)MainPage_Portable.uIHandler.Librarian_Keyboard. On<Xamarin.Forms.Image>();
}
public Boolean MidiIsReady()
{
USB usb = (USB)MainPage_Portable.platform_specific[0];
return(mainActivity != null && MainPage_Portable != null && usb != null && usb.HasPermission && usb.DeviceConnection != null);
}
