public override void Send(byte[] data)
{
try
{
if (device?.ConnectionHandle != null && isConnected)
{
AutoResetEvent proceed = new AutoResetEvent(false);
ProcedureCompletedEventHandler complete = delegate(object sender, ProcedureCompletedEventArgs e)
{
Debug.WriteLine("Bluetooth: write complete");
proceed.Set();
};
bluetooth.BLEEventATTClientProcedureCompleted += complete;
if (data.Length > 20)
{
List <byte> payload = new List <byte>(data);
int total = data.Length;
bool signal;
for (int i = 0; i < Math.Ceiling((double)data.Length / 20); i++)
{
bluetooth.SendCommand(this.port,
bluetooth.BLECommandATTClientAttributeWrite((byte)device.ConnectionHandle, (ushort)Handle.Write,
payload.GetRange(i * 20, (total < 20) ? total : 20).ToArray())
);
total -= 20;
signal = proceed.WaitOne(200);
if (!signal)
{
break;
}
}
}
else
{
bluetooth.SendCommand(this.port, bluetooth.BLECommandATTClientAttributeWrite((byte)device.ConnectionHandle, (ushort)Handle.Write, data));
proceed.WaitOne(200);
}
bluetooth.BLEEventATTClientProcedureCompleted -= complete;
}
else
{
throw new HardwareException("There is no reader connected");
}
}
catch (InvalidOperationException e)
{
throw new HardwareException("There is no TappyUSB connected");
}
}
public void Execute()
{
Byte[] writeToAttr = Ble.Lib.BLECommandATTClientAttributeWrite(this.Connection, this.AttributeHandle, (byte[])this.Value);
ProcedureCompletedEventHandler handler = this.ProcedureCompletedHandler;
Ble.Lib.BLEEventATTClientProcedureCompleted += handler;
Ble.SendCommand(this.Port, writeToAttr);
this.WaitEvent(() => _response != null);
Ble.Lib.BLEEventATTClientProcedureCompleted -= handler;
}
private void FindServices()
{
// (established connection, handle.min_address, handle.max_address, primary gatt service attribute identifier)
byte[] readGroups = Ble.Lib.BLECommandATTClientReadByGroupType(this.Connection, GATT_MIN_HANDLE, GATT_MAX_HANDLE, (byte[])GATT_SERVICE_TYPE_PRIMARY);
Ble.Lib.BLEEventATTClientGroupFound += GroupFound;
ProcedureCompletedEventArgs procedureResponse = null;
ProcedureCompletedEventHandler handler = (sender, e) => {
procedureResponse = e;
};
Ble.Lib.BLEEventATTClientProcedureCompleted += handler;
Ble.SendCommand(this.Port, readGroups);
this.WaitEvent(() => procedureResponse != null);
Ble.Lib.BLEEventATTClientGroupFound -= GroupFound;
Ble.Lib.BLEEventATTClientProcedureCompleted -= handler;
}
private void FindAttributes(BlePeripheralService service)
{
byte[] findInfo = Ble.Lib.BLECommandATTClientFindInformation(this.Connection, service.StartHandle, service.EndHandle);
FindInformationFoundEventHandler infoHandler = (sender, e) => this.AttributeFound(service, e);
Ble.Lib.BLEEventATTClientFindInformationFound += infoHandler;
ProcedureCompletedEventArgs procedureResponse = null;
ProcedureCompletedEventHandler handler = (sender, e) => {
procedureResponse = e;
};
Ble.Lib.BLEEventATTClientProcedureCompleted += handler;
Ble.SendCommand(this.Port, findInfo);
this.WaitEvent(() => procedureResponse != null);
Ble.Lib.BLEEventATTClientFindInformationFound -= infoHandler;
Ble.Lib.BLEEventATTClientProcedureCompleted -= handler;
}
