public void AddCharacteristic(GattCharacteristic1 characteristic)
{
gattCharacteristics.Add(characteristic);
}
static async Task Main(string[] args)
{
Console.WriteLine("MIDI to BLE Bridge");
var access = MidiAccessManager.Default;
var midiPort = access.Inputs.FirstOrDefault(inp => inp.Name.Contains("mio", StringComparison.OrdinalIgnoreCase));
if (midiPort == null)
{
midiPort = access.Inputs.FirstOrDefault(inp => inp.Name.Contains("vmpk", StringComparison.OrdinalIgnoreCase));
}
IMidiInput input = null;
if (midiPort != null)
{
Console.WriteLine($"Found {midiPort.Name}. Opening...");
input = await access.OpenInputAsync(midiPort.Id);
// There seems to be a pretty bad race condition inside the library.
// If your MIDI device is streaming data but there is no MessageReceived delegate, it will
// throw a NRE. So register this dummy here for now.
input.MessageReceived += (obj, e) => {};
}
else
{
Console.WriteLine("No suitable MIDI port found.");
}
Task.Run(async() =>
{
using (var connection = new Connection(Address.System))
{
await connection.ConnectAsync();
var hci0Path = new ObjectPath("/org/bluez/hci0");
var serviceName = "org.bluez";
var hci0Adapter = connection.CreateProxy <IAdapter1>(serviceName, hci0Path);
// Based on BlueZ sample code. Verify what it does. Does it really turn my BT adapeter on if it was off?
Console.WriteLine("Setting power to true on device 1");
await hci0Adapter.SetPoweredAsync(true);
var advertisement = new LEAdvertisement(new LEAdvertisementProperties {
Type = "peripheral", LocalName = "MIDI-BRIDGE"
});
advertisement.LEAdvertisementProperties.ServiceUUIDs = new string[] { "03B80E5A-EDE8-4B33-A751-6CE34EC4C700" };
// Generic computer icon
advertisement.LEAdvertisementProperties.Appearance = 0x0080;
// We need to register the LEAdvertisement object. This basically publishes the object
// so that when we get the DBus callback to read all the properties, we're good to go.
await connection.RegisterObjectAsync(advertisement);
var advertisingManager = connection.CreateProxy <ILEAdvertisingManager1>(serviceName, hci0Path);
await advertisingManager.RegisterAdvertisementAsync(advertisement, new Dictionary <string, object>());
Application application = new Application(@"/org/bluez/example");
GattService1 service = new GattService1(application.ObjectPath, 0, "03B80E5A-EDE8-4B33-A751-6CE34EC4C700", true);
GattCharacteristic1 gattCharacteristic1 = new GattCharacteristic1(service.ObjectPath, 0, "7772E5DB-3868-4112-A1A9-F2669D106BF3", new string[] { "notify", "read", "write-without-response" });
// TODO: Remove PlayNote out of gattCharacteristic. Bridge should handle locking.
Bridge midiBleBridge = new Bridge(data => gattCharacteristic1.Value = data);
midiBleBridge.StartActiveSense();
if (input != null)
{
input.MessageReceived += (obj, e) =>
{
midiBleBridge.ReceiveMidiMessage(e.Length, e.Data);
};
}
service.AddCharacteristic(gattCharacteristic1);
application.AddService(service);
await connection.RegisterObjectAsync(application);
var gattManager = connection.CreateProxy <IGattManager1>(serviceName, new ObjectPath(@"/org/bluez/hci0"));
await connection.RegisterObjectAsync(gattCharacteristic1);
await gattManager.RegisterApplicationAsync(application, new Dictionary <string, object>());
Console.WriteLine("Press <Ctrl>+c to exit...");
await Task.Delay(int.MaxValue);
}
}).Wait();
await input.CloseAsync();
}