coding dr khamim

package ComInt1;

import ComInt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
/**
 *
 * @author Abd Khamim Ismail (Department of Physics, Faculty of Science, UTM)
 * Last updated 17 Sept 2018
 */

public class ComIntUI1 extends javax.swing.JFrame implements ActionListener{
static Parameters param;
static Com com;
static PrintStream temps,plTemps;
Timer timer;
int onADC,mSec;
double t;

/** Creates new form CoolingCurveUI */
    public ComIntUI1() {
        initComponents();
        initGnuplot();
        mSec=100; // sampling interval in milisecond
        timer = new Timer(mSec, this);
        //timer.start();
        onADC=0;
        t = 0.0;
        try{
             param = new Parameters();                         //create object param
             param.setPort("COM3");                            //set com port in Windows
             param.setBaudRate("115200");                      //set Baud rate
             com = new Com(param);                             //assign com port
             System.out.println(com.receiveToString('\n', 0)); //acknowledge com port connection
            }catch (Exception e){
      }
      OffTemp.setEnabled(false);
      PlotTemp.setEnabled(false);
    }
private void initGnuplot() {
        try {
           //plotting temperature(oC)
           plTemps = new PrintStream(new FileOutputStream("plottemp.plt"));
           plTemps.printf("set xlabel \"Time (sec)\n");
           plTemps.printf("set ylabel \"Temperature (oC)\n");
           plTemps.printf("plot \"temp.dat\" using 1:2 title \"Temperature (oC)\" with line\n");
           plTemps.printf("pause 0.2\n");
           plTemps.printf("reread");
           plTemps.close();

           } catch (IOException e) {
           System.err.println ("Error writing to file");
        }
    }
     //Called when the Timer fires.
    @SuppressWarnings("empty-statement")
    public void actionPerformed(ActionEvent ee) {

         try{
                if (onADC==1) {
                int datPoint = 4;//  number of data point
                double ADCSum = 0.0;
                for (int i=1; i<=datPoint; i++)
                {
                  com.sendString("rd1\r",1);// read ADC A1
                  String ADC = com.receiveToString('\n', 0);//receive ADC value in string
                  double ADCR = Double.parseDouble(ADC);//convert ADC value from String to double
                  ADCSum = ADCSum + ADCR;//summation of ADC data points
                }

                t = t + mSec/1000.0;//calculate elapsed time

                double ADCAve = ADCSum/datPoint; //averaging
                double volVal = (ADCAve/1023.0)*5.0;//convert ADC value into analogue voltage
                double tempVal = volVal*100.0; //convert volVal to deg Celsius, from LM35 datasheet(10mV/degC or 100degC/V)
                String tempVolValF  = String.format("%.4f", volVal); // formatting voltage value to decimal places
                String tempValF = String.format("%.2f", tempVal); //formatting temperature value to decimal places
                TempVolValue.setText(tempVolValF);//display analogue voltage value
                TempValue.setText(tempValF);//display temperature value

                //------------------------------ Optional bar graph------------------------------------
                double barTemp = tempVal*(100.0/100.0);//scaling to 0-100 deg Celcius
                long tempGraph = Math.round(barTemp); //rounding voltage value into integer (0-100)
                TempScale.setValue((int) tempGraph); //Display temperature value to progress bar (0-100)
                //------------------------------------------------------------------------------------

                temps.printf("%.2f %.2f\n",t,tempVal);//record data into file
                System.out.printf("%.2f %.2f\n",t,tempVal);

                Thread.sleep(5);//delay
              }

            }catch (Exception e){System.out.println("Device not found");}
    }

    /** This method is called from within the constructor to
     * initialise the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        buttonGroup1 = new javax.swing.ButtonGroup();
        buttonGroup2 = new javax.swing.ButtonGroup();
        buttonGroup3 = new javax.swing.ButtonGroup();
        buttonGroup4 = new javax.swing.ButtonGroup();
        buttonGroup5 = new javax.swing.ButtonGroup();
        buttonGroup6 = new javax.swing.ButtonGroup();
        buttonGroup7 = new javax.swing.ButtonGroup();
        buttonGroup8 = new javax.swing.ButtonGroup();
        canvas1 = new java.awt.Canvas();
        jPanel3 = new javax.swing.JPanel();
        jLabel9 = new javax.swing.JLabel();
        OffTemp = new javax.swing.JButton();
        OnTemp = new javax.swing.JButton();
        TempValue = new javax.swing.JTextField();
        jLabel19 = new javax.swing.JLabel();
        TempVolValue = new javax.swing.JTextField();
        jLabel20 = new javax.swing.JLabel();
        PlotTemp = new javax.swing.JButton();
        TempScale = new javax.swing.JSlider();
        ExitButton = new javax.swing.JButton();
        jLabel16 = new javax.swing.JLabel();

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        jScrollPane1.setViewportView(jTable1);

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setForeground(javax.swing.UIManager.getDefaults().getColor("Button.background"));

        jPanel3.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

        jLabel9.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
        jLabel9.setText("<html><sup>o</sup> C");

        OffTemp.setFont(new java.awt.Font("Arial", 1, 12)); // NOI18N
        OffTemp.setText("OFF/HOLD");
        OffTemp.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
        OffTemp.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                OffTempActionPerformed(evt);
            }
        });

        OnTemp.setFont(new java.awt.Font("Arial", 1, 12)); // NOI18N
        OnTemp.setText("ON");
        OnTemp.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
        OnTemp.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                OnTempActionPerformed(evt);
            }
        });

        TempValue.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
        TempValue.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                TempValueActionPerformed(evt);
            }
        });

        jLabel19.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel19.setText("<html><sup>o</sup>C");

        TempVolValue.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N
        TempVolValue.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                TempVolValueActionPerformed(evt);
            }
        });

        jLabel20.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel20.setText("V");

        PlotTemp.setFont(new java.awt.Font("Arial", 1, 12)); // NOI18N
        PlotTemp.setText("PLOT/SAVE");
        PlotTemp.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
        PlotTemp.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                PlotTempActionPerformed(evt);
            }
        });

        TempScale.setForeground(new java.awt.Color(0, 0, 255));
        TempScale.setMajorTickSpacing(10);
        TempScale.setMinorTickSpacing(5);
        TempScale.setPaintLabels(true);
        TempScale.setPaintTicks(true);
        TempScale.setValue(0);

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(TempScale, javax.swing.GroupLayout.PREFERRED_SIZE, 498, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(13, 13, 13)
                        .addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addGap(19, 19, 19)
                        .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(jPanel3Layout.createSequentialGroup()
                                .addComponent(TempVolValue, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(jLabel20))
                            .addGroup(jPanel3Layout.createSequentialGroup()
                                .addComponent(TempValue, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(jLabel19, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addGap(25, 39, Short.MAX_VALUE)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(PlotTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(OffTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(OnTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(OnTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(TempVolValue, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel20))
                .addGap(8, 8, 8)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(OffTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(TempValue, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel19, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(PlotTemp, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(TempScale, javax.swing.GroupLayout.PREFERRED_SIZE, 58, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(34, Short.MAX_VALUE))
        );

        ExitButton.setFont(new java.awt.Font("Arial", 1, 18)); // NOI18N
        ExitButton.setForeground(new java.awt.Color(255, 0, 51));
        ExitButton.setText("EXIT");
        ExitButton.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
        ExitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ExitButtonActionPerformed(evt);
            }
        });

        jLabel16.setFont(new java.awt.Font("Arial", 1, 18)); // NOI18N
        jLabel16.setForeground(new java.awt.Color(0, 0, 204));
        jLabel16.setText("<html>SENSOR-TEMPERATURE (<sup>o</sup>C)");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(canvas1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(134, 134, 134))
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(0, 0, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(593, 593, 593)
                        .addComponent(ExitButton, javax.swing.GroupLayout.PREFERRED_SIZE, 112, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(218, 218, 218)
                        .addComponent(jLabel16, javax.swing.GroupLayout.PREFERRED_SIZE, 263, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(9, 9, 9)
                .addComponent(jLabel16, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(35, 35, 35)
                .addComponent(ExitButton)
                .addGap(0, 0, 0)
                .addComponent(canvas1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void ExitButtonActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        System.exit(0);
    }

    private void OffTempActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        onADC=0;
        OffTemp.setEnabled(false);
        OnTemp.setEnabled(true);
        temps.close();
    }

    private void OnTempActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        timer.start();
        onADC=1;
        try{
        temps = new PrintStream(new FileOutputStream("temp.dat"));//open the file
           } catch(Exception e){System.out.println("ERROR FILE WRITTING");}
        OnTemp.setEnabled(false);
        OffTemp.setEnabled(true);
        PlotTemp.setEnabled(true);
    }

    private void TempValueActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void TempVolValueActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void PlotTempActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
       Runtime cgp = Runtime.getRuntime();

       try {
           Process prcs = cgp.exec("wgnuplot plottemp.plt");
           } catch (IOException e) {
           System.err.println ("Error calling gnuplot");
       }
    }

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ComIntUI1().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JButton ExitButton;
    private javax.swing.JButton OffTemp;
    private javax.swing.JButton OnTemp;
    private javax.swing.JButton PlotTemp;
    private javax.swing.JSlider TempScale;
    private javax.swing.JTextField TempValue;
    private javax.swing.JTextField TempVolValue;
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.ButtonGroup buttonGroup2;
    private javax.swing.ButtonGroup buttonGroup3;
    private javax.swing.ButtonGroup buttonGroup4;
    private javax.swing.ButtonGroup buttonGroup5;
    private javax.swing.ButtonGroup buttonGroup6;
    private javax.swing.ButtonGroup buttonGroup7;
    private javax.swing.ButtonGroup buttonGroup8;
    private java.awt.Canvas canvas1;
    private javax.swing.JLabel jLabel16;
    private javax.swing.JLabel jLabel19;
    private javax.swing.JLabel jLabel20;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // End of variables declaration

}