Analog reading with java Grafic Design Timeline and Arduino uno board.

Analog reading with java Grafic Design Timeline and Arduino uno board.

Java for eclipse

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import com.fazecast.jSerialComm.SerialPort;

public class Serial {

static SerialPort chosenPort;
static int x = 0;

public static void main(String[] args) {

// create and configure the window
JFrame window = new JFrame();
window.setTitle("Sensor Graph GUI");
window.setSize(600, 400);
window.setLayout(new BorderLayout());
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// create a drop-down box and connect button, then place them at the top of the window
JComboBox<String> portList = new JComboBox<String>();
JButton connectButton = new JButton("Connect");
JPanel topPanel = new JPanel();
topPanel.add(portList);
topPanel.add(connectButton);
window.add(topPanel, BorderLayout.NORTH);

// populate the drop-down box
SerialPort[] portNames = SerialPort.getCommPorts();
for(int i = 0; i < portNames.length; i++)
portList.addItem(portNames[i].getSystemPortName());

// create the line graph
XYSeries series = new XYSeries("Light Sensor Readings");
XYSeriesCollection dataset = new XYSeriesCollection(series);
JFreeChart chart = ChartFactory.createXYLineChart("Light Sensor Readings", "Time (seconds)", "ADC Reading", dataset);
window.add(new ChartPanel(chart), BorderLayout.CENTER);

// configure the connect button and use another thread to listen for data
connectButton.addActionListener(new ActionListener(){
@Override public void actionPerformed(ActionEvent arg0) {
if(connectButton.getText().equals("Connect")) {
// attempt to connect to the serial port
chosenPort = SerialPort.getCommPort(portList.getSelectedItem().toString());
chosenPort.setComPortTimeouts(SerialPort.TIMEOUT_SCANNER, 0, 0);
if(chosenPort.openPort()) {
connectButton.setText("Disconnect");
portList.setEnabled(false);
}

// create a new thread that listens for incoming text and populates the graph
Thread thread = new Thread(){
@Override public void run() {
Scanner scanner = new Scanner(chosenPort.getInputStream());
while(scanner.hasNextLine()) {
try {
String line = scanner.nextLine();
int number = Integer.parseInt(line);
series.add(x++, 1023 - number);
window.repaint();
} catch(Exception e) {}
}
scanner.close();
}
};
thread.start();
} else {
// disconnect from the serial port
chosenPort.closePort();
portList.setEnabled(true);
connectButton.setText("Connect");
series.clear();
x = 0;
}
}
});

// show the window
window.setVisible(true);
}

}

Important to add 2 external jar files.

Download java project