/// <summary>
/// Scans ports for x-IMUs.
/// </summary>
/// <param name="isAsync">
/// Enables OnAsyncScanProgressChanged event for use when called within background worker.
/// </param>
/// <returns>
/// Array of <see cref="PortAssignment"/> found during the scan.
/// </returns>
private PortAssignment[] DoScan(bool isAsync)
{
List <PortAssignment> portAssignmentsList = new List <PortAssignment>();
do
{
// Get list of available port names
List <string> portNames = xIMUserial.GetPortNames().ToList();
if (portNames.Count == 0)
{
if (DontGiveUp)
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(0, "No ports found. Retry in 1 second..."));
}
Thread.Sleep(1000);
}
else
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(0, "No ports found."));
}
break;
}
}
else
{
int progressPercent = 0;
string progressMessage;
// Augment list with other potential port names as Bluetooth port names may have an extra numerical character appended
int originalCount = portNames.Count;
for (int i = 0; i < originalCount; i++)
{
if (portNames[i].Length == "COMxx".Length)
{
string altPortName = portNames[i].Substring(0, "COMx".Length);
if (!portNames.Contains(altPortName))
{
portNames.Add(altPortName);
}
}
if (portNames[i].Length == "COMxxx".Length)
{
string altPortName = portNames[i].Substring(0, "COMxx".Length);
if (!portNames.Contains(altPortName))
{
portNames.Add(altPortName);
}
}
}
// Print port names
progressMessage = "Found ports: ";
for (int i = 0; i < portNames.Count; i++)
{
progressMessage += portNames[i] + (i < (portNames.Count - 1) ? ", " : ".");
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * (1d / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, progressMessage));
}
// Scan for x-IMU on each port
for (int i = 0; i < portNames.Count; i++)
{
xIMUserial xIMUserialobj = null;
try
{
// Open serial port
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 1d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Opening " + portNames[i] + "..."));
}
xIMUserialobj = new xIMUserial(portNames[i]);
xIMUserialobj.RegisterDataReceived += new x_IMU_API.xIMUserial.onRegisterDataReceived(xIMUserialobj_RegisterDataReceived);
xIMUserialobj.Open();
// Read device ID
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 2d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Reading device ID..."));
}
receivedDeviceID = null;
xIMUserialobj.SendReadRegisterPacket(new RegisterData(RegisterAddresses.DeviceID));
Thread.Sleep(500);
if (receivedDeviceID == null)
{
throw new Exception("No response.");
}
// Found x-IMU
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 3d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Found x-IMU " + receivedDeviceID + "."));
}
portAssignmentsList.Add(new PortAssignment(portNames[i], receivedDeviceID));
if (FirstResultOnly)
{
break;
}
}
catch (Exception ex)
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Failed: " + ex.Message));
}
}
finally
{
if (xIMUserialobj != null)
{
xIMUserialobj.Close();
}
}
}
}
} while ((portAssignmentsList.Count == 0) && DontGiveUp && !CancellationPending);
return(portAssignmentsList.ToArray());
}
/// <summary>
/// Scans ports for x-IMUs.
/// </summary>
/// <param name="isAsync">
/// Enables OnAsyncScanProgressChanged event for use when called within background worker.
/// </param>
/// <returns>
/// Array of <see cref="PortAssignment"/> found during the scan.
/// </returns>
private PortAssignment[] DoScan(bool isAsync)
{
List<PortAssignment> portAssignmentsList = new List<PortAssignment>();
do
{
// Get list of available port names
List<string> portNames = xIMUserial.GetPortNames().ToList();
if (portNames.Count == 0)
{
if (DontGiveUp)
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(0, "No ports found. Retry in 1 second..."));
}
Thread.Sleep(1000);
}
else
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(0, "No ports found."));
}
break;
}
}
else
{
int progressPercent = 0;
string progressMessage;
// Augment list with other potential port names as Bluetooth port names may have an extra numerical character appended
int originalCount = portNames.Count;
for (int i = 0; i < originalCount; i++)
{
if (portNames[i].Length == "COMxx".Length)
{
string altPortName = portNames[i].Substring(0, "COMx".Length);
if (!portNames.Contains(altPortName))
{
portNames.Add(altPortName);
}
}
if (portNames[i].Length == "COMxxx".Length)
{
string altPortName = portNames[i].Substring(0, "COMxx".Length);
if (!portNames.Contains(altPortName))
{
portNames.Add(altPortName);
}
}
}
// Print port names
progressMessage = "Found ports: ";
for (int i = 0; i < portNames.Count; i++)
{
progressMessage += portNames[i] + (i < (portNames.Count - 1) ? ", " : ".");
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * (1d / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, progressMessage));
}
// Scan for x-IMU on each port
for (int i = 0; i < portNames.Count; i++)
{
xIMUserial xIMUserialobj = null;
try
{
// Open serial port
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 1d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Opening " + portNames[i] + "..."));
}
xIMUserialobj = new xIMUserial(portNames[i]);
xIMUserialobj.RegisterDataReceived += new x_IMU_API.xIMUserial.onRegisterDataReceived(xIMUserialobj_RegisterDataReceived);
xIMUserialobj.Open();
// Read device ID
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 2d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Reading device ID..."));
}
receivedDeviceID = null;
xIMUserialobj.SendReadRegisterPacket(new RegisterData(RegisterAddresses.DeviceID));
Thread.Sleep(500);
if (receivedDeviceID == null)
{
throw new Exception("No response.");
}
// Found x-IMU
if (CancellationPending)
{
break;
}
if (isAsync)
{
progressPercent = (int)(Math.Round(100d * ((1d + (i * 3d) + 3d) / (1d + (3d * (portNames.Count + 1))))));
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Found x-IMU " + receivedDeviceID + "."));
}
portAssignmentsList.Add(new PortAssignment(portNames[i], receivedDeviceID));
if (FirstResultOnly)
{
break;
}
}
catch (Exception ex)
{
if (isAsync)
{
OnAsyncScanProgressChanged(new AsyncScanProgressChangedEventArgs(progressPercent, "Failed: " + ex.Message));
}
}
finally
{
if (xIMUserialobj != null)
{
xIMUserialobj.Close();
}
}
}
}
} while ((portAssignmentsList.Count == 0) && DontGiveUp && !CancellationPending);
return portAssignmentsList.ToArray();
}