private bool SendCommCMD(string send, string receive)
{
string str = "";
m_serialPort.Write(send);
if (receive.Length > 0)
{
str = m_serialPort.ReadLine() + m_serialPort.NewLine;
}
else
{
Thread.Sleep(30);
m_serialPort.ReadExisting();
}
return(str.IndexOf(receive) != -1);
}
private void Scan()
{
string packet_data = "";
string serial_data = "";
int length = 0;
Encoding encoding = Encoding.GetEncoding("windows-1252");
SerialPortSTB.Encoding = encoding;
while (true)
{
if (CommState == CommunicationState.HWFind)
{
Thread.Sleep(10);
if (IsExtendedFindHW)
{
ExtendedFindHW();
}
else
{
NormalFindHW();
}
}
while (CommState == CommunicationState.Ready)
{
try
{
if (SerialPortSTB.IsOpen)
{
if (SerialPortSTB.BytesToRead > 0)
{
serial_data = SerialPortSTB.ReadExisting();
if (serial_data.Length > 0)
{
packet_data += serial_data;
serial_data = "";
if (packet_data.Length > 0)
{
do
{
length = packet_data.Length;
EventCallbackCaller(ref packet_data);
}while (length != packet_data.Length && packet_data.Length != 0);
}
}
}
}
else
{
lock (objectLock)
CommState = CommunicationState.Idle;
}
}
catch (UnauthorizedAccessException ex)
{
STBLogger.AddEvent(this, STBLogger.EventLevel.Error, "UnauthorizedAccessException while reading port.", ex.Message + ex.Source + ex.StackTrace);
lock (objectLock)
CommState = CommunicationState.Idle;
CommCallbackCaller(CommEvent.CommLost);
}
catch (InvalidOperationException exception2)
{
STBLogger.AddEvent(this, STBLogger.EventLevel.Error, "The port was closed", exception2.Message + exception2.Source + exception2.StackTrace);
lock (objectLock)
CommState = CommunicationState.Idle;
CommCallbackCaller(CommEvent.CommLost);
}
Thread.Sleep(1);
}
if (CommState == CommunicationState.Bootloader)
{
Thread.Sleep(5);
}
if (CommState == CommunicationState.Idle || CommState == CommunicationState.Invalid)
{
try
{
if (SerialPortSTB.IsOpen)
{
SerialPortSTB.Close();
}
}
catch (UnauthorizedAccessException ex)
{
STBLogger.AddEvent(this, STBLogger.EventLevel.Error, "UnauthorizedAccessException while closing port.", ex.Message + ex.Source + ex.StackTrace);
}
catch (Exception ex)
{
STBLogger.AddEvent(this, STBLogger.EventLevel.Error, ToString() + " caused exception " + ex.Message, ex.Message + ex.Source + ex.StackTrace);
}
if (AbortThread.WaitOne(500, false))
{
return;
}
}
}
}