java - 将多个 Arduino 传感器值数据绘制到 Java GUI 中

Question

我正在做一个完整的 Arduino 项目。下一阶段是让我将传感器值打印到 GUI 上。我正在使用 JFreeChart 来执行此操作。我设法绘制了一个传感器读数，但是我无法绘制另外两个。我设法绘制的唯一传感器读数是 LDR，但是，我相信它将它们全部绘制在一条线上，但我希望这是分开的。因此，由于总共有三个传感器，我希望折线图上有三条单独的线。我正在努力添加系列和数据集以使其正常工作。我还设法创建了单独的图表，但它们都输出相同的结果，但这不应该是它们应该输出不同结果的情况。这是我的代码：

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 SensorGraph {

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");
    XYSeries series2 = new XYSeries("Pressure Pad Readings");
    XYSeries series3 = new XYSeries("Ultrasonic 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);
}

}

标签： javaarduinodatasetjfreechart