private void ActiveSensor_SelectedIndexChanged(object sender, EventArgs e)
{
activeSingleTact = USBdevices[ActiveSensor.SelectedIndex].singleTact;
if (activeSingleTact.isUSB && activeSingleTact.isCalibrated)
{
linkLabel1.Visible = true;
if (Settings.TabPages.Count > 1)
{
Settings.TabPages.RemoveAt(Settings.TabPages.Count - 1);
}
}
else if (activeSingleTact.isUSB && !activeSingleTact.isCalibrated)
{
linkLabel1.Visible = true;
if (Settings.TabPages.Count > 1)
{
Settings.TabPages.RemoveAt(Settings.TabPages.Count - 1);
}
}
else if (!activeSingleTact.isUSB && activeSingleTact.isCalibrated)
{
linkLabel1.Visible = true;
SetSettingsButton.Enabled = true;
}
else
{
linkLabel1.Visible = true;
SetSettingsButton.Enabled = true;
}
RefreshFlashSettings_Click(this, null); //Update display
}
/// <summary>
/// Do work - process sensor data
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AcquisitionWorker_DoWork(object sender, DoWorkEventArgs e)
{
backgroundIsFinished_ = false;
BackgroundWorker worker = sender as BackgroundWorker;
while (!worker.CancellationPending) //Do the work
{
foreach (USBdevice_GUI USB in USBdevices)
{
SingleTact singleTact = USB.singleTact;
SingleTactFrame newFrame = singleTact.ReadSensorData(); //Get sensor data
if (null != newFrame) //If we have data
{
USB.addFrame(newFrame);
// use first timestamp only to quantise readings and match csv output
AddData(USBdevices[0].lastTimeStamp, newFrame.SensorData, USB); //Add to stripchart
}
else // USB has been unplugged
{
new Thread(() =>
{
guiTimer_.Stop();
backgroundIsFinished_ = true;
var index = USBdevices.IndexOf(USB);
var comPort = comPortList[index];
var result = MessageBox.Show(
comPort.ToString() + " has been unplugged.\nWould you like to save your data before exiting?",
"Error!",
MessageBoxButtons.YesNo,
MessageBoxIcon.Error);
if (result == DialogResult.Yes)
{
buttonSave_Click(this, null);
}
Application.Exit();
}).Start();
backgroundIsFinished_ = false;
StopAcquisitionThread();
break;
}
//Calculate rate
double delta = newFrame.TimeStamp - USB.lastTimeStamp; // calculate delta relative to previous sensor's last reading
if (delta != 0)
{
measuredFrequency_ = measuredFrequency_ * 0.95 + 0.05 * (1.0 / (delta)); //Averaging
}
//measuredFrequency_ = 1/delta;
USB.setTimestamp(newFrame.TimeStamp);
}
}
}
private void tareAllButton_Click(object sender, EventArgs e)
{
StopAcquisitionThread();
foreach (USBdevice USB in USBdevices)
{
SingleTact singletact = USB.singleTact;
if (singletact.Tare())
{
RefreshFlashSettings_Click(null, null);
}
}
StartAcquisitionThread();
}
public new bool Initialise(string portName)
{
try
{
_dataBuffer = new SingleTactData();
_frameList = new List <SingleTactFrame>();
_singleTact = new SingleTact();
_arduino = new ArduinoSingleTactDriver();
_arduino.Initialise(portName); //Start Arduino driver
_singleTact.Initialise(_arduino);
_singleTact.I2cAddressForCommunications = ((byte)(4));
isCalibrated = _singleTact.isCalibrated;
return(true);
}
catch
{
return(false);
}
}
private delegate void CloseMainFormDelegate(); //Used to close the program if hardware is not connected
public Form1()
{
string exceptionMessage = null;
InitializeComponent();
var finder = new ComPortFinder();
// Get available serial ports.
comPortList = finder.findSingleTact();
if (comPortList.Count == 0)
{
MessageBox.Show(
"Failed to start sensor: no serial ports found.\n\nPlease ensure Arduino drivers are installed.\nThis can be checked by looking if the Arduino is identified in Device Manager.\n\nPlease connect the device then restart this application.",
"Hardware initialisation failed",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
// There's no point showing the GUI. Force the app to auto-close.
Environment.Exit(-1);
}
else
{
for (int i = 0; i < 1; i++)
{
USBdevice USB = new USBdevice();
USB.Initialise(finder.prettyToComPort(comPortList[i]));
USBdevices.Add(USB);
this.Text = comPortList[i];
}
}
activeSingleTact = USBdevices[0].singleTact;
try
{
//PopulateGUIFields();
foreach (USBdevice USB in USBdevices)
{
USB.singleTact.PushSettingsToHardware();
RefreshFlashSettings_Click(this, null); //Get the settings from flash
}
//CreateStripChart();
AcquisitionWorker.RunWorkerAsync(); //Start the acquisition thread
guiTimer_.Start();
}
catch
{
string summary = "Failed to start sensor";
if (comPortList.Count == 0)
{
summary += ": no serial ports detected.";
}
else
{
summary += " on " + comPortList[0] + ".";
}
summary += "\n\n";
if (exceptionMessage != null)
{
summary += exceptionMessage;
}
else
{
summary += "Please connect the device then restart this application.";
}
MessageBox.Show(
summary,
"Hardware initialisation failed",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
// There's no point showing the GUI. Force the app to auto-close.
Environment.Exit(-1);
}
}
/// <summary>
/// Fill appropriate Values into GUI Comboboxes
/// </summary>
private void PopulateGUIFields()
{
// Populate i2c addresses
i2cAddressInputComboBox_.Items.Clear();
//TODO appears to be race condition to populate combo box
// This causes the invalid settings warning
for (int i = reservedAddresses; i < 128; i++)
{
i2cAddressInputComboBox_.Items
.Add("0x" + i.ToString("X2"));
}
//Populate active sensor combobox
int j = 0;
foreach (string port in comPortList)
{
string[] portSplit = port.Split('-');
// replace COM port with index
String name = portSplit[1] + " " + (comPortList.IndexOf(port) + 1).ToString();
if (USBdevices[j].singleTact.firmwareVersion > 0)
{
if (USBdevices[j].isCalibrated)
{
name = name + "(calibrated)";
}
}
ActiveSensor.Items.Add(name);
j++;
}
ActiveSensor.SelectedIndex = 0;
activeSingleTact = USBdevices[0].singleTact;
if (activeSingleTact.Settings.Scaling < 100)
{
activeSingleTact.Settings.Scaling = 100;
}
int maxWidth = 0;
System.Windows.Forms.Label dummy = new System.Windows.Forms.Label();
// find widest label to resize dropdown dynamically
foreach (var obj in ActiveSensor.Items)
{
dummy.Text = obj.ToString();
int temp = dummy.PreferredWidth;
if (temp > maxWidth)
{
maxWidth = temp;
}
}
ActiveSensor.DropDownWidth = maxWidth;
// Get firmware version
byte fwRev = activeSingleTact.firmwareVersion;
firmwareLabel.Text = fwRev.ToString();
}
