private Packet SendAndReceive(Packet packet, int receive, int delay)
{
if (_port.IsOpen) _port.DiscardOutBuffer();
SendPacket(packet);
Thread.Sleep(delay);
Packet result = GetResponse(receive + Constants.PACKET_OVERHEAD_BYTES);
//if (_port.IsOpen) _port.DiscardInBuffer();
//_buffer.Clear();
return result;
}
private void SendPacket(Packet packet)
{
if (_port == null || !_port.IsOpen)
{
return;
}
try
{
_port.Write(packet.Data, 0, packet.Data.Length);
while (_port.BytesToWrite > 0) Thread.Sleep(1);
}
catch (Exception)
{
// exception handling
}
}
private bool CheckResponse(Packet response)
{
APStatus BM_errorstate = (APStatus)response.Data[Constants.PACKET_BYTE_CMD];
if (BM_errorstate != APStatus.HW_NO_ERROR) return false;
return true;
}