First Commit

daq_testing/UserControlDMM.cs

@@ -0,0 +1,159 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using ScottPlot;
+using System.Diagnostics;
+
+
+namespace daq_testing
+{
+    public partial class UserControlDMM : UserControl
+    {
+        public double MeasurementValue { get; set; }
+
+        // Control variables
+        private bool isMonitoring = false;
+        private List<double> dataPoints = new List<double>();
+        private List<double> timePoints = new List<double>();
+        private double time = 0;
+        private const int MaxPoints = 100;
+
+        // Tolerance band values
+        private double UpperTolerance = 1.0;
+        private double LowerTolerance = -1.0;
+
+        // Histogram parameters
+        private int NumBins = 20; // Number of bins for the histogram
+        private double MaxVoltage = 1; // Maximum possible voltage for histogram scaling
+        private double MinVoltage = -1;  // Minimum possible voltage for histogram scaling
+
+        public UserControlDMM()
+        {
+            InitializeComponent();
+
+            // Initialize the graph
+            formsPlot1.Plot.Title("Real-Time Voltage");
+            formsPlot1.Plot.YLabel("Voltage (V)");
+            formsPlot1.Plot.XLabel("Time (s)");
+            formsPlot1.Refresh();
+
+            // Set up the tolerance band once
+            UpdateToleranceBand();
+
+        }
+        private void UpdateToleranceBand()
+        {
+            // Generate tolerance band data
+            double[] xs = new double[MaxPoints];
+            double[] upperValues = new double[MaxPoints];
+            double[] lowerValues = new double[MaxPoints];
+
+            for (int i = 0; i < MaxPoints; i++)
+            {
+                xs[i] = i;
+                upperValues[i] = UpperTolerance;
+                lowerValues[i] = LowerTolerance;
+            }
+
+            // Add the tolerance band as a shaded region between lower and upper bounds
+            var fill = formsPlot1.Plot.Add.FillY(
+                xs: xs,
+                ys1: lowerValues,
+                ys2: upperValues
+            );
+            fill.FillColor = Colors.Green.WithAlpha(20);
+            fill.LineColor = Colors.Green;
+            fill.MarkerColor = Colors.Green;
+            fill.LineWidth = 1;
+
+        }
+
+       
+
+        private async void btnMonitor_ClickAsync(object sender, EventArgs e)
+        {
+            var mainForm = this.FindForm() as MainForm;
+            if (mainForm == null) return;
+
+            formsPlot1.Plot.Clear();
+            dataPoints.Clear();
+            timePoints.Clear();
+
+            // Toggle the monitoring state
+            isMonitoring = !isMonitoring;
+
+            if (isMonitoring)
+            {
+                // Change button text to indicate stopping
+                btnMonitor.Text = "Stop Monitoring";
+
+                // Start the monitoring configuration
+                mainForm.DAQ.DAQInstrument.Voltage.DCVoltage.AutoRangeListConfig(tbDataloggerChannel.Text, true);
+                mainForm.DAQ.DAQInstrument.Voltage.DCVoltage.Configure(tbDataloggerChannel.Text, 10, 0.01);
+                mainForm.DAQ.DAQInstrument.Route.Monitor = Convert.ToInt32(tbDataloggerChannel.Text);
+                mainForm.DAQ.DAQInstrument.Route.MonitorEnable = true;
+
+                Stopwatch sw = new Stopwatch();
+
+                // Start the loop
+                while (isMonitoring)
+                {
+                    
+                    sw.Start();
+                    // Get the voltage value
+                    double voltage = mainForm.DAQ.DAQInstrument.Route.MonitorData;
+
+                    // Update the Label
+                    lbMeasurementValue.Text = $"{voltage:F3} V";
+
+                    // Update the data points
+                    dataPoints.Add(voltage);
+                    timePoints.Add(time);
+
+                    if (dataPoints.Count > 100) // Limit to 100 points for better performance
+                    {
+                        dataPoints.RemoveAt(0);
+                        timePoints.RemoveAt(0);
+                    }
+
+                    // Clear previous plots
+                    formsPlot1.Plot.Clear();
+
+                    // Re-add the tolerance band
+                   // UpdateToleranceBand();
+                    // Update the histogram and plot
+
+                    // Add the updated scatter plot
+                    formsPlot1.Plot.Add.ScatterPoints(timePoints.ToArray(), dataPoints.ToArray());
+
+                    // Autoscroll: Set X-axis to show the latest MaxPoints data
+                    formsPlot1.Plot.Axes.SetLimits(timePoints[0], timePoints[timePoints.Count - 1]);
+
+
+                    // Refresh the plot
+                    formsPlot1.Refresh();
+
+                    // Increment time
+                    time += 0.100;
+
+                    // Wait asynchronously for 100 ms
+                    await Task.Delay(100);
+                }
+            }
+            else
+            {
+                // Change button text to indicate starting
+                btnMonitor.Text = "Start Monitoring";
+
+                // Stop the monitoring
+                mainForm.DAQ.DAQInstrument.Route.MonitorEnable = false;
+            }
+        }
+    }
+}