private async Task <IXBeeResponse> SendCommandAsync(IXBeeCommand command, CancellationToken cancellationToken)
{
IXBeeListener xbeeListener = new XBeeListener();
AddTransactionListener(xbeeListener);
lock (_frameIdLock)
{
xbeeListener.OurFrameId = Interlocked.Increment(ref _frameId);
command.SetFrameId(xbeeListener.OurFrameId);
Interlocked.CompareExchange(ref _frameId, 1, 256);
}
// Send the transaction
QueueFrame(command);
while (!_mainCancellationToken.IsCancellationRequested &&
!cancellationToken.IsCancellationRequested &&
!xbeeListener.Complete)
{
// wait until transaction is complete
await Task.Delay(5);
}
RemoveTransactionListener(xbeeListener);
return(xbeeListener.CompletionResponse);
}
/// <summary>
/// Sends a XBee request to the NCP without waiting for the response.
/// </summary>
/// <param name="command">Request <see cref="IXBeeCommand"/> to send.</param>
/// <returns></returns>
public async Task <IXBeeResponse> SendRequestAsync(IXBeeCommand command)
{
IXBeeListener xbeeListener = new XBeeListener();
await _taskFactory.StartNew(() =>
{
AddTransactionListener(xbeeListener);
lock (_frameIdLock)
{
xbeeListener.OurFrameId = Interlocked.Increment(ref _frameId);
command.SetFrameId(xbeeListener.OurFrameId);
Interlocked.CompareExchange(ref _frameId, 1, 256);
}
// Send the transaction
QueueFrame(command);
lock (xbeeListener)
{
while (!xbeeListener.Complete)
{
// wait until transaction is complete
}
}
RemoveTransactionListener(xbeeListener);
});
return(xbeeListener.CompletionResponse);
}
