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wpilibj/src/main/java/org/wpilib/simulation/AddressableLEDSim.java

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+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+package edu.wpi.first.wpilibj.simulation;
+
+import edu.wpi.first.hal.simulation.AddressableLEDDataJNI;
+import edu.wpi.first.hal.simulation.ConstBufferCallback;
+import edu.wpi.first.hal.simulation.NotifyCallback;
+import edu.wpi.first.wpilibj.AddressableLED;
+
+/** Class to control a simulated addressable LED. */
+public class AddressableLEDSim {
+  private final int m_channel;
+
+  /**
+   * Constructs an addressable LED for a specific channel.
+   *
+   * @param channel output channel
+   */
+  public AddressableLEDSim(int channel) {
+    m_channel = channel;
+  }
+
+  /**
+   * Constructs from an AddressableLED object.
+   *
+   * @param addressableLED AddressableLED to simulate
+   */
+  public AddressableLEDSim(AddressableLED addressableLED) {
+    m_channel = addressableLED.getChannel();
+  }
+
+  /**
+   * Register a callback on the Initialized property.
+   *
+   * @param callback the callback that will be called whenever the Initialized property is changed
+   * @param initialNotify if true, the callback will be run on the initial value
+   * @return the {@link CallbackStore} object associated with this callback.
+   */
+  public CallbackStore registerInitializedCallback(NotifyCallback callback, boolean initialNotify) {
+    int uid = AddressableLEDDataJNI.registerInitializedCallback(m_channel, callback, initialNotify);
+    return new CallbackStore(m_channel, uid, AddressableLEDDataJNI::cancelInitializedCallback);
+  }
+
+  /**
+   * Check if initialized.
+   *
+   * @return true if initialized
+   */
+  public boolean getInitialized() {
+    return AddressableLEDDataJNI.getInitialized(m_channel);
+  }
+
+  /**
+   * Change the Initialized value of the LED strip.
+   *
+   * @param initialized the new value
+   */
+  public void setInitialized(boolean initialized) {
+    AddressableLEDDataJNI.setInitialized(m_channel, initialized);
+  }
+
+  /**
+   * Register a callback on the start.
+   *
+   * @param callback the callback that will be called whenever the start is changed
+   * @param initialNotify if true, the callback will be run on the initial value
+   * @return the {@link CallbackStore} object associated with this callback.
+   */
+  public CallbackStore registerStartCallback(NotifyCallback callback, boolean initialNotify) {
+    int uid = AddressableLEDDataJNI.registerStartCallback(m_channel, callback, initialNotify);
+    return new CallbackStore(m_channel, uid, AddressableLEDDataJNI::cancelStartCallback);
+  }
+
+  /**
+   * Get the start.
+   *
+   * @return the start
+   */
+  public int getStart() {
+    return AddressableLEDDataJNI.getStart(m_channel);
+  }
+
+  /**
+   * Change the start.
+   *
+   * @param start the new start
+   */
+  public void setStart(int start) {
+    AddressableLEDDataJNI.setStart(m_channel, start);
+  }
+
+  /**
+   * Register a callback on the length.
+   *
+   * @param callback the callback that will be called whenever the length is changed
+   * @param initialNotify if true, the callback will be run on the initial value
+   * @return the {@link CallbackStore} object associated with this callback.
+   */
+  public CallbackStore registerLengthCallback(NotifyCallback callback, boolean initialNotify) {
+    int uid = AddressableLEDDataJNI.registerLengthCallback(m_channel, callback, initialNotify);
+    return new CallbackStore(m_channel, uid, AddressableLEDDataJNI::cancelLengthCallback);
+  }
+
+  /**
+   * Get the length of the LED strip.
+   *
+   * @return the length
+   */
+  public int getLength() {
+    return AddressableLEDDataJNI.getLength(m_channel);
+  }
+
+  /**
+   * Change the length of the LED strip.
+   *
+   * @param length the new value
+   */
+  public void setLength(int length) {
+    AddressableLEDDataJNI.setLength(m_channel, length);
+  }
+
+  /**
+   * Register a callback on the LED data.
+   *
+   * @param callback the callback that will be called whenever the LED data is changed
+   * @return the {@link CallbackStore} object associated with this callback.
+   */
+  public static CallbackStore registerDataCallback(ConstBufferCallback callback) {
+    int uid = AddressableLEDDataJNI.registerDataCallback(callback);
+    return new CallbackStore(uid, AddressableLEDDataJNI::cancelDataCallback);
+  }
+
+  /**
+   * Get the LED data.
+   *
+   * @return the LED data
+   */
+  public byte[] getData() {
+    return getGlobalData(getStart(), getLength());
+  }
+
+  /**
+   * Change the LED data.
+   *
+   * @param data the new data
+   */
+  public void setData(byte[] data) {
+    setGlobalData(getStart(), data);
+  }
+
+  /**
+   * Get the global LED data.
+   *
+   * @param start start, in LEDs
+   * @param length length, in LEDs
+   * @return the LED data
+   */
+  public static byte[] getGlobalData(int start, int length) {
+    return AddressableLEDDataJNI.getData(start, length);
+  }
+
+  /**
+   * Change the global LED data.
+   *
+   * @param start start, in LEDs
+   * @param data the new data
+   */
+  public static void setGlobalData(int start, byte[] data) {
+    AddressableLEDDataJNI.setData(start, data);
+  }
+
+  /** Reset all simulation data for this LED object. */
+  public void resetData() {
+    AddressableLEDDataJNI.resetData(m_channel);
+  }
+}