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src/main/java/frc/robot/Robot.java

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+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017-2018 FIRST. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+package frc.robot;
+
+import edu.wpi.first.wpilibj.TimedRobot;
+import edu.wpi.first.wpilibj.command.Command;
+import edu.wpi.first.wpilibj.command.Scheduler;
+import edu.wpi.first.wpilibj.smartdashboard.SendableChooser;
+import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
+import frc.robot.commands.ExampleCommand;
+import frc.robot.subsystems.ExampleSubsystem;
+
+/**
+ * The VM is configured to automatically run this class, and to call the
+ * functions corresponding to each mode, as described in the TimedRobot
+ * documentation. If you change the name of this class or the package after
+ * creating this project, you must also update the build.gradle file in the
+ * project.
+ */
+public class Robot extends TimedRobot {
+  public static ExampleSubsystem m_subsystem = new ExampleSubsystem();
+  public static OI m_oi;
+
+  Command m_autonomousCommand;
+  SendableChooser<Command> m_chooser = new SendableChooser<>();
+
+  /**
+   * This function is run when the robot is first started up and should be
+   * used for any initialization code.
+   */
+  @Override
+  public void robotInit() {
+    m_oi = new OI();
+    m_chooser.setDefaultOption("Default Auto", new ExampleCommand());
+    // chooser.addOption("My Auto", new MyAutoCommand());
+    SmartDashboard.putData("Auto mode", m_chooser);
+  }
+
+  /**
+   * This function is called every robot packet, no matter the mode. Use
+   * this for items like diagnostics that you want ran during disabled,
+   * autonomous, teleoperated and test.
+   *
+   * <p>This runs after the mode specific periodic functions, but before
+   * LiveWindow and SmartDashboard integrated updating.
+   */
+  @Override
+  public void robotPeriodic() {
+  }
+
+  /**
+   * This function is called once each time the robot enters Disabled mode.
+   * You can use it to reset any subsystem information you want to clear when
+   * the robot is disabled.
+   */
+  @Override
+  public void disabledInit() {
+  }
+
+  @Override
+  public void disabledPeriodic() {
+    Scheduler.getInstance().run();
+  }
+
+  /**
+   * This autonomous (along with the chooser code above) shows how to select
+   * between different autonomous modes using the dashboard. The sendable
+   * chooser code works with the Java SmartDashboard. If you prefer the
+   * LabVIEW Dashboard, remove all of the chooser code and uncomment the
+   * getString code to get the auto name from the text box below the Gyro
+   *
+   * <p>You can add additional auto modes by adding additional commands to the
+   * chooser code above (like the commented example) or additional comparisons
+   * to the switch structure below with additional strings & commands.
+   */
+  @Override
+  public void autonomousInit() {
+    m_autonomousCommand = m_chooser.getSelected();
+
+    /*
+     * String autoSelected = SmartDashboard.getString("Auto Selector",
+     * "Default"); switch(autoSelected) { case "My Auto": autonomousCommand
+     * = new MyAutoCommand(); break; case "Default Auto": default:
+     * autonomousCommand = new ExampleCommand(); break; }
+     */
+
+    // schedule the autonomous command (example)
+    if (m_autonomousCommand != null) {
+      m_autonomousCommand.start();
+    }
+  }
+
+  /**
+   * This function is called periodically during autonomous.
+   */
+  @Override
+  public void autonomousPeriodic() {
+    Scheduler.getInstance().run();
+  }
+
+  @Override
+  public void teleopInit() {
+    // This makes sure that the autonomous stops running when
+    // teleop starts running. If you want the autonomous to
+    // continue until interrupted by another command, remove
+    // this line or comment it out.
+    if (m_autonomousCommand != null) {
+      m_autonomousCommand.cancel();
+    }
+  }
+
+  /**
+   * This function is called periodically during operator control.
+   */
+  @Override
+  public void teleopPeriodic() {
+    Scheduler.getInstance().run();
+  }
+
+  /**
+   * This function is called periodically during test mode.
+   */
+  @Override
+  public void testPeriodic() {
+  }
+}