private void btn_start_Click(object sender, RoutedEventArgs e)
{
if (!running)
{
// If a node has been selected
if (combobox_nodeSelect.SelectedItem != null)
{
running = true;
// Use/Change UI before starting
TremorProcessing.Threshold_Frequency = (float)numUpDown_ThresholdFreq.Value;
TremorProcessing.Threshold_Amplitude = (float)numUpDown_ThresholdAmp.Value;
btn_start.Content = "Stop Collection";
// Disables the UI
combobox_nodeSelect.IsEnabled = false;
numUpDown_ThresholdAmp.IsEnabled = false;
numUpDown_ThresholdFreq.IsEnabled = false;
/* Clear nodes and add the one selected.
* Start collecting data on this node.
* Set up the data received event
*/
Nodes.NodesList.Clear();
Nodes.NodesList.Add(new RazorIMU(combobox_nodeSelect.Text));
Nodes.NodesList[0].StartCollection();
Nodes.NodesList[0].CapturedData += new RazorDataCaptured(Fusion_CapturedData);
// Set up the tremor processing class and tremor calculated event
TremorProcessing.Initialize();
TremorProcessing.CalculatedTremor += TremorProcessing_CalculatedTremor;
}
else
{
System.Windows.MessageBox.Show("Please select a node", "Collection Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
btn_start.Content = "Start Collection";
// Enables the UI
combobox_nodeSelect.IsEnabled = true;
numUpDown_ThresholdAmp.IsEnabled = true;
numUpDown_ThresholdFreq.IsEnabled = true;
// Stop the collection and calculation events
Nodes.NodesList[0].CapturedData -= Fusion_CapturedData;
Nodes.NodesList[0].Dispose();
Nodes.NodesList.Clear();
TremorProcessing.CalculatedTremor -= TremorProcessing_CalculatedTremor;
running = false;
}
}
/// <summary>
/// This is where the sensor data goes when it has been captured.
/// </summary>
/// <param name="data">Data from he sensor. Remember, the structure of data is [accel_x,accel_y,accel_z,gyro_x,gyro_y,gyro_z,mag_x,mag_y,mag_z]</param>
/// <param name="deltaT">Time since previous data was given.</param>
private static void Fusion_CapturedData(float[] data, float deltaT)
{
TremorProcessing.LogPoint(data[0], data[1], data[2], deltaT);
DataLogging.LogRawData(deltaT, data[0], data[1], data[2], data[3], data[4], data[5], 0, 0, 0);
}