// /// <summary>
// /// Check if the MITes receiver has sent new data since the last time FillBytesBuffer was called.
// /// </summary>
// /// <returns>True if there is new data to grab.</returns>
// public bool IsNewData()
// {
// return spc.isNewData();
// }
/// <summary>
/// If there is new data (which should have been checked with a prior call to IsNewData)
/// then fill the given buffer with the data.
/// </summary>
/// <param name="serialBytesBuffer">The buffer to fill.</param>
/// <returns>The number of new data bytes.</returns>
public int FillBytesBuffer(byte[] serialBytesBuffer)
{
if (isRunning)
{
return(spc.FillBytesBuffer(serialBytesBuffer));
}
else
{
return(0);
}
}
/// <summary>
/// Test if a port has a receiver attached by trying to open and reading data.
/// </summary>
/// <param name="portNum">Port to try</param>
/// <param name="maxBytesBuffer">Maximum buffer size</param>
/// <returns></returns>
public bool TestPort(int portNum, int maxBytesBuffer)
{
isRunning = true;
bool isValid = true;
bool isOpen = false;
Console.WriteLine("Testing PORT: " + portNum);
// MessageBox.Show("Testing PORT: " + portNum);
// Setup serial port
SerialPortController spcTest = new SerialPortController(SerialPortController.USE_THREADS, PRINT_WARNINGS, maxBytesBuffer);
Thread.Sleep(1000);
spcTest.SetBaudRate(57600);
if (spcTest.SetPort(portNum))
{
spcTest.SetParity(0); //none
spcTest.SetStopBits(1);
try
{
spcTest.PortOpen();
isOpen = true;
}
catch (ApplicationException e)
{
e.ToString();
isValid = false;
isOpen = false;
}
}
else
{
isValid = false;
}
// If opened, then test if incoming data looks like MITes data for 1 second
if (isValid)
{
//MessageBox.Show("Able to open " + portNum);
isValid = false;
byte[] someData = new byte[4000];
int startTime = Environment.TickCount;
// Loop for 1 second and wait for a DD
while ((Environment.TickCount - startTime) < 1000)
{
// if (spcTest.isNewData())
// {
int j = spcTest.FillBytesBuffer(someData);
//Console.WriteLine ("Data: " + someData.Length);
if (j > 1)
{
for (int i = 0; i < j - 1; i++)
{
if ((someData[i] == (int)68) &&
(someData[i + 1] == (int)68))
{
isValid = true;
}
}
}
// }
Thread.Sleep(100);
}
}
// Shutdown
//if (isOpen)
// spcTest.PortClose();
//spcTest = null;
//isRunning = false;
spc = spcTest;
return(isValid);
}
