mirror of
https://github.com/brendanhaines/RasPi.git
synced 2024-11-13 18:34:39 -07:00
558 lines
19 KiB
Java
558 lines
19 KiB
Java
// graphics
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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import javax.swing.event.*;
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import java.awt.image.*;
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import javax.swing.border.*;
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// communication
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import java.lang.*;
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import java.io.*;
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import java.net.*;
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/**
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* Replaces GroundStation.java
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* Written by Brendan Haines
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*/
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class GroundStation implements ActionListener, ChangeListener, Runnable {
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//////////////////
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///// FIELDS /////
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//////////////////
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/** string to hold the connection type */
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private String connectionType = "";
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/** boolean to hold connected/disconnected status */
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private boolean connectionStatus = false;
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/** TCP/IP socket for communication */
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private Socket tcpSocket;
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/** input buffer handling for tcpSocket */
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private BufferedReader tcpIn;
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/** output handler for tcpSocket */
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private PrintWriter tcpOut;
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/** thread to listen to tcpSocket */
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private Thread tcpListener;
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/** FC arm status */
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private boolean armStatus = false;
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// Main GUI components
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/** window to hold GUI */
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private JFrame mainFrame;
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/** panel to fill mainFrame */
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private JPanel mainPanel;
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/** panel to hold connection options */
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private JPanel connectionPanel;
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/** connection options panel */
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private JPanel connectionOptionsPanel;
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/** connection type selection box */
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private JComboBox connectionTypeComboBox;
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/** card layout container for different connection types */
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private JPanel connectionTypePanel;
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/** JPanel to hold TCP/IP settings */
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private JPanel tcpPanel;
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/** label for host address field */
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private JLabel tcpHostAddressFieldLabel;
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/** text field for host address */
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private JTextField tcpHostAddressField;
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/** label for port field */
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private JLabel tcpHostPortFieldLabel;
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/** text field for port of socket */
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private JTextField tcpHostPortField;
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/** connect/disconnect button */
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private JButton connectButton;
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/** tabbed pane to hold many features */
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private JTabbedPane tabbedPane;
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/** command line interface tab */
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private JPanel cliPanel;
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/** panel to hold display options */
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private JPanel cliOptionsPanel;
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/** checkbox to display confirmation/replies from pi */
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private JCheckBox cliShowReceivedCheckBox;
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/** scrolling pane to hold command area */
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private JScrollPane cliCommandScrollPane;
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/** text area to display commands */
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private JTextArea cliCommandArea;
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/** panel to hold input stuff */
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private JPanel cliInputPanel;
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/** text field to enter commands */
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private JTextField cliInputField;
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/** send command button */
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private JButton cliInputButton;
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/** control panel */
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private JPanel controlPanel;
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/** arm/disarm flight controller button */
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private JButton armDisarmButton;
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/** calibrate IMU button */
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private JButton calibrateImuButton;
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/** motor testing tab */
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private JPanel motorTestPanel;
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/** Motor testing enable checkbox */
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private JCheckBox motorTestEnableCheckBox;
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/** Motor test values panel */
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private JPanel motorTestValuesPanel;
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/** Motor 0 slider */
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private JSlider motor0Slider;
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/** Motor 1 slider */
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private JSlider motor1Slider;
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/** Motor 2 slider */
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private JSlider motor2Slider;
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/** Motor 3 slider */
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private JSlider motor3Slider;
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/** Master slider. sets all motor sliders to its value when changed */
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private JSlider motorMasterSlider;
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////////////////////////
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///// CONSTRUCTORS /////
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////////////////////////
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public GroundStation() {
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setupWindow();
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}
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///////////////////
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///// METHODS /////
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///////////////////
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/**
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* sets up GUI
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*/
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private void setupWindow() {
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mainFrame = new JFrame( "PiCopter Ground Station" );
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mainFrame.setResizable( true );
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mainFrame.setDefaultCloseOperation( JFrame.DISPOSE_ON_CLOSE );
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mainPanel = new JPanel();
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mainPanel.setLayout( new BorderLayout() );
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setupConnectionPanel();
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setupTabbedPane();
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mainPanel.add( connectionPanel, BorderLayout.NORTH );
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mainPanel.add( tabbedPane, BorderLayout.CENTER );
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mainFrame.add( mainPanel );
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mainFrame.pack();
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mainFrame.setVisible( true );
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}
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/**
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* sets up the connection panel
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*/
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private void setupConnectionPanel() {
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connectionPanel = new JPanel( new BorderLayout() );
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connectionPanel.setBorder( BorderFactory.createTitledBorder( "connection options" ) );
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connectionOptionsPanel = new JPanel( new FlowLayout() );
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connectionTypeComboBox = new JComboBox();
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connectionTypeComboBox.addItem( "TCP/IP" );
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connectionTypeComboBox.setSelectedIndex( 0 );
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connectionOptionsPanel.add( connectionTypeComboBox );
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connectionTypePanel = new JPanel( new CardLayout() );
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tcpPanel = new JPanel( new FlowLayout() );
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tcpHostAddressFieldLabel = new JLabel( "Host Address:" );
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tcpHostAddressField = new JTextField();
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tcpHostAddressField.setColumns( 10 );
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tcpHostAddressField.setText( "192.168.42.1" );
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tcpHostPortFieldLabel = new JLabel( "Port:" );
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tcpHostPortField = new JTextField();
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tcpHostPortField.setColumns( 6 );
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tcpHostPortField.setText( "51717" );
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tcpPanel.add( tcpHostAddressFieldLabel );
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tcpPanel.add( tcpHostAddressField );
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tcpPanel.add( tcpHostPortFieldLabel );
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tcpPanel.add( tcpHostPortField );
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connectionTypePanel.add( tcpPanel, "TCP/IP" );
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connectionOptionsPanel.add( connectionTypePanel );
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connectionPanel.add( connectionOptionsPanel, BorderLayout.NORTH );
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connectButton = new JButton( "connect" );
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connectButton.addActionListener( this );
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connectionPanel.add( connectButton, BorderLayout.SOUTH );
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}
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/**
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* sets up tabs
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*/
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private void setupTabbedPane() {
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tabbedPane = new JTabbedPane();
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setupCliTab();
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setupControlTab();
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setupMotorTestTab();
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tabbedPane.add( cliPanel, "CLI", 0 );
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tabbedPane.add( controlPanel, "Control", 1 );
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tabbedPane.add( motorTestPanel, "Motor Testing", 2 );
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tabbedPane.setEnabledAt( 1, false );
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tabbedPane.setEnabledAt( 2, false );
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}
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/**
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* sets up command line interface tab
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*/
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private void setupCliTab() {
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cliPanel = new JPanel();
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cliPanel.setLayout( new BorderLayout() );
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cliOptionsPanel = new JPanel();
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cliOptionsPanel.setLayout( new FlowLayout( FlowLayout.LEFT ) );
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cliShowReceivedCheckBox = new JCheckBox( "show receive" );
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cliShowReceivedCheckBox.setSelected( true );
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cliShowReceivedCheckBox.addActionListener( this );
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cliOptionsPanel.add( cliShowReceivedCheckBox );
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cliCommandArea = new JTextArea();
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cliCommandArea.setEditable( false );
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cliCommandScrollPane = new JScrollPane( cliCommandArea );
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cliCommandScrollPane.setPreferredSize( new Dimension( 400, 200 ) );
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new SmartScroller( cliCommandScrollPane );
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cliInputPanel = new JPanel();
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cliInputPanel.setLayout( new BorderLayout() );
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cliInputField = new JTextField();
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cliInputField.addActionListener( this );
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cliInputButton = new JButton( "send" );
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cliInputButton.addActionListener( this );
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cliInputPanel.add( cliInputField, BorderLayout.CENTER );
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cliInputPanel.add( cliInputButton, BorderLayout.EAST );
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cliPanel.add( cliOptionsPanel, BorderLayout.NORTH );
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cliPanel.add( cliCommandScrollPane, BorderLayout.CENTER );
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cliPanel.add( cliInputPanel, BorderLayout.SOUTH );
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}
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/**
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* sets up control panel tab
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*/
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private void setupControlTab() {
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controlPanel = new JPanel( new FlowLayout( FlowLayout.LEFT ) );
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armDisarmButton = new JButton( "arm" );
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armDisarmButton.addActionListener( this );
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calibrateImuButton = new JButton( "calibrate IMU" );
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calibrateImuButton.addActionListener( this );
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controlPanel.add( armDisarmButton);
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controlPanel.add( calibrateImuButton);
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}
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/**
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* sets up motor testing tab
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*/
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private void setupMotorTestTab() {
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motorTestPanel = new JPanel();
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motorTestPanel.setLayout( new BorderLayout() );
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motorTestEnableCheckBox = new JCheckBox( "Enable Motor Testing" );
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motorTestEnableCheckBox.setSelected( false );
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motorTestEnableCheckBox.addActionListener( this );
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motorTestValuesPanel = new JPanel();
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motorTestValuesPanel.setLayout( new FlowLayout() );
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motor0Slider = new JSlider( 150, 600, 150 );
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motor0Slider.setOrientation( JSlider.VERTICAL );
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motor0Slider.addChangeListener( this );
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motor1Slider = new JSlider( 150, 600, 150 );
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motor1Slider.setOrientation( JSlider.VERTICAL );
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motor1Slider.addChangeListener( this );
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motor2Slider = new JSlider( 150, 600, 150 );
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motor2Slider.setOrientation( JSlider.VERTICAL );
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motor2Slider.addChangeListener( this );
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motor3Slider = new JSlider( 150, 600, 150 );
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motor3Slider.setOrientation( JSlider.VERTICAL );
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motor3Slider.addChangeListener( this );
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motorMasterSlider = new JSlider( 150, 600, 150 );
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motorMasterSlider.setOrientation( JSlider.VERTICAL );
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motorMasterSlider.addChangeListener( this );
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motorTestValuesPanel.add( motor0Slider );
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motorTestValuesPanel.add( motor1Slider );
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motorTestValuesPanel.add( motor2Slider );
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motorTestValuesPanel.add( motor3Slider );
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motorTestValuesPanel.add( motorMasterSlider );
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enableComponents( motorTestValuesPanel, false );
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motorTestPanel.add( motorTestEnableCheckBox, BorderLayout.NORTH );
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motorTestPanel.add( motorTestValuesPanel, BorderLayout.CENTER );
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}
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/**
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* enables/disables all components in a container
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* @param container - the container to enable/disable components of
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* @param enable - boolean value for .setEnabled()
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*/
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private void enableComponents( Container container, boolean enable ) {
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Component[] components = container.getComponents();
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for( Component component : components ) {
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component.setEnabled( enable );
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if (component instanceof Container) {
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enableComponents( (Container) component, enable );
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}
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}
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}
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/**
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* actionPerformed method to handle ActionEvents from all buttons and GUI interaction
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*/
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public void actionPerformed( ActionEvent evt ) {
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// command line interface
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if( evt.getSource() == cliInputButton || evt.getSource() == cliInputField ) {
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String inputText = cliInputField.getText();
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cliInputField.setText( "" );
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if( inputText.equals( "" ) ) return; // if cliInput field is empty, do nothing
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cliCommandArea.append( inputText + "\n" );
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if( inputText.indexOf( "CONNECT" ) == 0 ) {
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cliCommandArea.append( "--ERROR - connection with command line interface not supported\n");
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}
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else if( inputText.indexOf( "DISCONNECT") == 0 ) {
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disconnect();
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}
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else if( inputText.indexOf( "SEND " ) == 0 ) {
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String sendText = inputText.substring( 5, inputText.length() );
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cliCommandArea.append( "--SENDING: " + sendText + "\n" );
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tcpOut.println( sendText );
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}
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else if( inputText.indexOf( "CLEAR" ) == 0 ) {
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cliCommandArea.setText( "" );
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}
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else {
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}
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}
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// connect button
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else if( evt.getSource() == connectButton && evt.getActionCommand().equals( "connect" ) ) {
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if( connectionTypeComboBox.getSelectedItem().equals( "TCP/IP" ) ) {
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connectionType = "TCP/IP";
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if( tcpHostAddressField.getText().equals( "" ) || tcpHostPortField.getText().equals( "" ) ) {
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System.out.println( "must enter an address & port for TCP/IP" );
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}
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else if( connectTCP( tcpHostAddressField.getText(), Integer.parseInt( tcpHostPortField.getText() ) ) ) {
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startTcpListener();
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}
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else {
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System.out.println( "failed to connect to TCP/IP server" );
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}
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}
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else {
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System.out.println( "idk how you did that, but this protocol isn't supported...connectionTypeComboBox conains \"" + connectionTypeComboBox.getSelectedItem() + "\"" );
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}
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}
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// disconnect button
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else if( evt.getSource() == connectButton && evt.getActionCommand().equals( "disconnect" ) ) {
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disconnect();
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}
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// arm button
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else if( evt.getSource().equals( armDisarmButton ) && evt.getActionCommand().equals( "arm" ) ){
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cliCommandArea.append( "--ARMING..." );
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tcpOut.println( "ARM_CONTROLLER" );
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armStatus = true;
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armDisarmButton.setText( "disarm" );
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cliCommandArea.append( "DONE\n" );
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}
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// disarm button
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else if( evt.getSource().equals( armDisarmButton ) && evt.getActionCommand().equals( "disarm" ) ) {
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cliCommandArea.append( "--DISARMING..." );
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tcpOut.println( "DISARM_CONTROLLER" );
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armStatus = false;
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armDisarmButton.setText( "arm" );
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cliCommandArea.append( "DONE\n" );
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}
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// motor test checkbox
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else if( evt.getSource().equals( motorTestEnableCheckBox ) ) {
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if( motorTestEnableCheckBox.isSelected() ) {
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enableComponents( motorTestValuesPanel, true );
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}
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else {
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disableMotorTest();
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}
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}
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}
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/**
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* handles changes in JSlider positions
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*/
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public void stateChanged( ChangeEvent evt ) {
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if( evt.getSource().equals( motor0Slider ) ) {
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tcpOut.println( "SET_MOTOR_00_" + motor0Slider.getValue() );
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}
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else if( evt.getSource().equals( motor1Slider ) ) {
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tcpOut.println( "SET_MOTOR_01_" + motor1Slider.getValue() );
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}
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else if( evt.getSource().equals( motor2Slider ) ) {
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tcpOut.println( "SET_MOTOR_02_" + motor2Slider.getValue() );
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}
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else if( evt.getSource().equals( motor3Slider ) ) {
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tcpOut.println( "SET_MOTOR_03_" + motor3Slider.getValue() );
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}
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else if( evt.getSource().equals( motorMasterSlider ) ) {
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motor0Slider.setValue( motorMasterSlider.getValue() );
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motor1Slider.setValue( motorMasterSlider.getValue() );
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motor2Slider.setValue( motorMasterSlider.getValue() );
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motor3Slider.setValue( motorMasterSlider.getValue() );
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}
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}
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/**
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* connects over TCP/IP protocol
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* @param hostAddress - the ip address of the server host
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* @param hostPort - the port of the socket at the host
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* @return true on success, false on failure
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*/
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private boolean connectTCP( String hostAddress, int hostPort ) {
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cliCommandArea.append( "--CONNECTING WITH TCP..." );
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try {
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tcpSocket = new Socket( hostAddress, hostPort );
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tcpIn = new BufferedReader( new InputStreamReader( tcpSocket.getInputStream() ) );
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tcpOut = new PrintWriter( tcpSocket.getOutputStream(), true );
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startTcpListener();
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}
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catch( UnknownHostException ex ) {
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cliCommandArea.append( "UnknownHostException\n" );
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return false;
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}
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catch( IOException ex ) {
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cliCommandArea.append( "IOException\n" );
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return false;
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}
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setGuiConnected();
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connectionStatus = true;
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cliCommandArea.append( "DONE\n" );
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return true;
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}
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/**
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*
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*/
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private void startTcpListener() {
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tcpListener = new Thread( this, "tcpListenerThread" );
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tcpListener.start();
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}
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/**
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* the method used by the TCP listening thread
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*/
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public void run() {
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while( connectionStatus ) {
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try {
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if( tcpIn.ready() ) {
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cliRxAppend( "--READING: " + tcpIn.readLine() + "\n" );
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}
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}
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catch( Exception ex ) {}
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}
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}
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/**
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* will add the message to cli view if show receive checkbox is checked
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*/
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public void cliRxAppend( String message ) {
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if( cliShowReceivedCheckBox.isSelected() ) {
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cliCommandArea.append( message );
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}
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}
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/**
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*
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*/
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private void setGuiConnected() {
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connectButton.setText( "disconnect" );
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tabbedPane.setEnabledAt( 1, true ); // control panel
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tabbedPane.setEnabledAt( 2, true ); // motor testing panel
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enableComponents( connectionOptionsPanel, false );
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mainFrame.setDefaultCloseOperation( JFrame.DO_NOTHING_ON_CLOSE );
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}
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/**
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*
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*/
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private void setGuiDisconnected() {
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connectButton.setText( "connect" );
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tabbedPane.setSelectedIndex( 0 );
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tabbedPane.setEnabledAt( 1, false ); // control panel
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tabbedPane.setEnabledAt( 2, false ); // motor testing panel
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enableComponents( connectionOptionsPanel, true );
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mainFrame.setDefaultCloseOperation( JFrame.DISPOSE_ON_CLOSE );
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}
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/**
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* disconnects from whatever connection has been set up with Raspberry Pi
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*/
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private void disconnect() {
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cliCommandArea.append( "--DISCONNECTING...\n");
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disableMotorTest();
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// Thread.sleep( 5 );
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tcpOut.println( "DISCONNECT" );
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try {
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tcpIn.close();
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tcpOut.close();
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}
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catch( IOException ex ) {
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cliCommandArea.append( "IOException\n" );
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return;
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}
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setGuiDisconnected();
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connectionStatus = false;
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cliCommandArea.append( "DONE\n" );
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}
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/**
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*
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*/
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private void disableMotorTest() {
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motorMasterSlider.setValue( 150 );
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motor0Slider.setValue( 150 );
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motor1Slider.setValue( 150 );
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motor2Slider.setValue( 150 );
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motor3Slider.setValue( 150 );
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enableComponents( motorTestValuesPanel, false );
|
|
|
|
try{
|
|
Thread.sleep( 500 );
|
|
}
|
|
catch( Exception e ) {}
|
|
|
|
motorTestEnableCheckBox.setSelected( false );
|
|
}
|
|
|
|
/**
|
|
* main begins the ground station
|
|
*/
|
|
public static void main( String[] args ) {
|
|
GroundStation groundStation = new GroundStation();
|
|
}
|
|
}
|
|
|
|
|
|
|