private void determineNextScanPoint()
{
// Move the motors to the next location
double nextX = mMotorXPos;
double nextY = mMotorYPos;
double nextZ = mMotorZPos;
// Determine the next scan position
nextY += (mVerticalScanDirection == Constants.direction.South) ? mXYStepSize : -mXYStepSize;
if (nextY > mMotorScanArea[1].Y || nextY < mMotorScanArea[0].Y)
{
mVerticalScanDirection = Utilities.reverseDirection(mVerticalScanDirection);
nextX += (mHorizontalScanDirection == Constants.direction.East) ? mXYStepSize : -mXYStepSize;
}
if (nextX > mMotorScanArea[1].X || nextX < mMotorScanArea[0].X)
{
mScans.ElementAt<ScanLevel>(mCurrentZScanIndex).ScanState = "Complete";
if (nextZ == mZMax)
{
mScanFinished = true;
// Stop the count down timer
mCDTimer.Stop();
}
else
{
nextZ = (nextZ + mZStepSize > mZMax) ? mZMax : nextZ + mZStepSize;
mCurrentZScanIndex++;
mHorizontalScanDirection = Utilities.reverseDirection(mHorizontalScanDirection);
}
}
// Make sure nextY stays in bounds
if (nextY > mMotorScanArea[1].Y)
nextY += -mXYStepSize;
else if (nextY < mMotorScanArea[0].Y)
nextY += mXYStepSize;
// Make sure nextX stays in bounds
if (nextX > mMotorScanArea[1].X)
nextX += -mXYStepSize;
else if (nextX < mMotorScanArea[0].X)
nextX += mXYStepSize;
mMotorXPos = nextX;
mMotorYPos = nextY;
mMotorZPos = nextZ;
}
private void transitionToState(Constants.state aState)
{
mPreviousState = mCurrentState;
mCurrentState = aState;
switch (aState)
{
case Constants.state.Initial:
// Update Buttons
btnCancel.Content = "Cancel";
btnCancel.Background = null;
btnCancel.IsEnabled = false;
btnAccept.Content = "Accept";
btnAccept.Background = null;
btnAccept.IsEnabled = false;
btnHomeMotors.IsEnabled = true;
btnChangeProbe.IsEnabled = true;
btnMoveTo.IsEnabled = true;
btnPreferences.IsEnabled = true;
// Enable all GUI Controls
setGUIControlIsEnabled(true);
// Only remove the image if we are starting a new scan
if (mPreviousState == Constants.state.Overview)
{
// Remmove captured image and heat map
mLoadedImage = null;
imageCaptured.Source = null;
}
mHeatMap.Clear(IntensityColorKeyGrid);
dgZScanPoints.ItemsSource = null;
// Update Status
if (mLoadedImage == null)
lblStatus.Text = Constants.StatusInitial1;
else
lblStatus.Text = Constants.StatusInitial2;
// Show captured image
imageCaptured.Source = mLoadedImage;
// Redraw the table area on the image after calibration
redrawSelectionObjects();
// Only show the canvas if we have an image loaded
if (imageCaptured.Source == null)
{
canvasDrawing.Visibility = Visibility.Collapsed;
btnCalibrate.IsEnabled = false;
}
else
{
canvasDrawing.Visibility = Visibility.Visible;
btnCalibrate.IsEnabled = true;
}
// Restore the mode to whatever probe is installed
mProbeNum = Properties.Settings.Default.ProbeNum;
mScanMode = Properties.Settings.Default.ScanMode;
updateTitles();
setSAFreqRange();
break;
case Constants.state.Calibration:
btnHomeMotors.IsEnabled = false;
btnChangeProbe.IsEnabled = false;
btnMoveTo.IsEnabled = false;
btnCancel.IsEnabled = true;
// Update Status
lblStatus.Text = Constants.StatusCalibration1;
// Reset the number of calibration points clicked
mCalibrationPoints = 0;
redrawSelectionObjects();
break;
case Constants.state.Ready:
// Update Buttons
btnCancel.Content = "Cancel";
btnCancel.Background = null;
btnCancel.IsEnabled = true;
btnAccept.Content = "Start";
btnAccept.Background = Brushes.Green;
btnAccept.IsEnabled = true;
//rbEField.IsEnabled = false;
//rbHField.IsEnabled = false;
btnHomeMotors.IsEnabled = false;
//btnBaseLine.IsEnabled = false;
btnChangeProbe.IsEnabled = false;
btnMoveTo.IsEnabled = false;
btnPreferences.IsEnabled = false;
btnCalibrate.IsEnabled = false;
// Disable all GUI Controls
setGUIControlIsEnabled(false);
mScanFinished = false;
mScanStarted = false;
// Update Status
lblStatus.Text = Constants.StatusReady;
// Hide drawing canvas
canvasDrawing.Visibility = Visibility.Collapsed;
// Set the area of where to scan
setScanArea();
// Show reminder to SA
MessageBox.Show("Reminder: Please finalize all spectrum analyzer settings now. (Press 'Enter' on the spectrum analyzer to release remote control)",
"Reminder", MessageBoxButton.OK, MessageBoxImage.Information);
break;
case Constants.state.Scanning:
// Update Buttons
btnCancel.Content = "Stop";
btnCancel.Background = Brushes.Red;
btnCancel.IsEnabled = true;
btnAccept.Content = "Start";
btnAccept.Background = Brushes.Green;
btnAccept.IsEnabled = false;
btnHomeMotors.IsEnabled = false;
// Update Status
lblStatus.Text = Constants.StatusScanning;
// Initialize the file
if (!mScanStarted)
{
Logger.initializeFile(mLogFileName + ".csv", mXScanPoints, mYScanPoints, mScans.Count, mDUTHeight, Properties.Settings.Default.ScanMode);
mScanStarted = true;
}
// Just in case the user accidently changed the frequency on the SA
setSAFreqRange();
// Start moving the motors
try
{
mWorkerThread.RunWorkerAsync();
}
catch (Exception)
{
string messageBoxText = "Unable to start scanning due to another process that is already running. Please try again.";
string caption = "Process already running";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Error;
MessageBoxResult rsltMessageBox = MessageBox.Show(messageBoxText, caption, button, icon);
transitionToState(Constants.state.Stopped);
}
mCDTimer.Start();
break;
case Constants.state.Stopped:
// Update Buttons
btnCancel.Content = "Reset";
btnCancel.Background = null;
btnAccept.Content = "Resume";
btnAccept.Background = Brushes.Green;
btnHomeMotors.IsEnabled = true;
// Update Status
lblStatus.Text = Constants.StatusStopped;
// Stop the simulator
if (mWorkerThread.IsBusy)
{
btnCancel.IsEnabled = false;
btnAccept.IsEnabled = false;
mWorkerThread.CancelAsync();
}
else
{
btnCancel.IsEnabled = true;
btnAccept.IsEnabled = true;
}
// Stop the count down timer
mCDTimer.Stop();
break;
case Constants.state.Overview:
// Update Buttons
btnCancel.Content = "Cancel";
btnCancel.Background = null;
btnCancel.IsEnabled = false;
btnAccept.Content = "Accept";
btnAccept.Background = null;
btnAccept.IsEnabled = false;
// Update Status
lblStatus.Text = Constants.StatusOverview;
btnHomeMotors.IsEnabled = false;
btnChangeProbe.IsEnabled = false;
btnMoveTo.IsEnabled = false;
btnPreferences.IsEnabled = true;
// Disable main gui buttons
setGUIControlIsEnabled(false);
btnChangeProbe.IsEnabled = false;
// Disable Menu Items
btnCalibrate.IsEnabled = false;
if (mLoadedImage == null)
btnSaveHeatMap.IsEnabled = false;
else
btnSaveHeatMap.IsEnabled = true;
mVerticalScanDirection = Constants.direction.South;
mHorizontalScanDirection = Constants.direction.East;
canvasDrawing.Visibility = Visibility.Collapsed;
updateTitles();
break;
case Constants.state.ProbeChange:
if (!mWorkerThread.IsBusy)
mWorkerThread.RunWorkerAsync();
break;
}
}
