/// <summary>
/// <para>Sends a request for the NXT brick, and if applicable, receive the reply.</para>
/// </summary>
/// <param name="request">The request</param>
/// <returns>The reply as a byte-array, or null</returns>
protected override byte[] Send(byte[] request)
{
lock (usbLock)
{
usb.SendDataViaBulkTransfers(request);
// 0x80 indicates that we should expect a reply.
if ((request[0] & 0x80) == 0)
{
return(usb.ReadDataViaBulkTransfer());
}
else
{
return(null);
}
}
}
