Move CameraServer and WPILib headers into their own folder

The old headers were moved into folders because doing so avoids polluting
the system include directories.

Folder names were also normalized to lowercase.

wpilibc/src/main/native/include/frc/AnalogPotentiometer.h

@@ -0,0 +1,119 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2016-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include <memory>
+
+#include "frc/AnalogInput.h"
+#include "frc/ErrorBase.h"
+#include "frc/interfaces/Potentiometer.h"
+#include "frc/smartdashboard/SendableBase.h"
+
+namespace frc {
+
+/**
+ * Class for reading analog potentiometers. Analog potentiometers read in an
+ * analog voltage that corresponds to a position. The position is in whichever
+ * units you choose, by way of the scaling and offset constants passed to the
+ * constructor.
+ */
+class AnalogPotentiometer : public ErrorBase,
+                            public SendableBase,
+                            public Potentiometer {
+ public:
+  /**
+   * Construct an Analog Potentiometer object from a channel number.
+   *
+   * Use the fullRange and offset values so that the output produces meaningful
+   * values. I.E: you have a 270 degree potentiometer and you want the output to
+   * be degrees with the halfway point as 0 degrees. The fullRange value is
+   * 270.0 degrees and the offset is -135.0 since the halfway point after
+   * scaling is 135 degrees.
+   *
+   * This will calculate the result from the fullRange times the fraction of the
+   * supply voltage, plus the offset.
+   *
+   * @param channel   The channel number on the roboRIO to represent. 0-3 are
+   *                  on-board 4-7 are on the MXP port.
+   * @param fullRange The angular value (in desired units) representing the full
+   *                  0-5V range of the input.
+   * @param offset    The angular value (in desired units) representing the
+   *                  angular output at 0V.
+   */
+  explicit AnalogPotentiometer(int channel, double fullRange = 1.0,
+                               double offset = 0.0);
+
+  /**
+   * Construct an Analog Potentiometer object from an existing Analog Input
+   * pointer.
+   *
+   * Use the fullRange and offset values so that the output produces meaningful
+   * values. I.E: you have a 270 degree potentiometer and you want the output to
+   * be degrees with the halfway point as 0 degrees. The fullRange value is
+   * 270.0 degrees and the offset is -135.0 since the halfway point after
+   * scaling is 135 degrees.
+   *
+   * This will calculate the result from the fullRange times the fraction of the
+   * supply voltage, plus the offset.
+   *
+   * @param channel   The existing Analog Input pointer
+   * @param fullRange The angular value (in desired units) representing the full
+   *                  0-5V range of the input.
+   * @param offset    The angular value (in desired units) representing the
+   *                  angular output at 0V.
+   */
+  explicit AnalogPotentiometer(AnalogInput* input, double fullRange = 1.0,
+                               double offset = 0.0);
+
+  /**
+   * Construct an Analog Potentiometer object from an existing Analog Input
+   * pointer.
+   *
+   * Use the fullRange and offset values so that the output produces meaningful
+   * values. I.E: you have a 270 degree potentiometer and you want the output to
+   * be degrees with the halfway point as 0 degrees. The fullRange value is
+   * 270.0 degrees and the offset is -135.0 since the halfway point after
+   * scaling is 135 degrees.
+   *
+   * This will calculate the result from the fullRange times the fraction of the
+   * supply voltage, plus the offset.
+   *
+   * @param channel   The existing Analog Input pointer
+   * @param fullRange The angular value (in desired units) representing the full
+   *                  0-5V range of the input.
+   * @param offset    The angular value (in desired units) representing the
+   *                  angular output at 0V.
+   */
+  explicit AnalogPotentiometer(std::shared_ptr<AnalogInput> input,
+                               double fullRange = 1.0, double offset = 0.0);
+
+  ~AnalogPotentiometer() override = default;
+
+  /**
+   * Get the current reading of the potentiomer.
+   *
+   * @return The current position of the potentiometer (in the units used for
+   *         fullRange and offset).
+   */
+  double Get() const override;
+
+  /**
+   * Implement the PIDSource interface.
+   *
+   * @return The current reading.
+   */
+  double PIDGet() override;
+
+  void InitSendable(SendableBuilder& builder) override;
+
+ private:
+  std::shared_ptr<AnalogInput> m_analog_input;
+  double m_fullRange, m_offset;
+};
+
+}  // namespace frc