Squashed 'third_party/allwpilib_2016/' content from commit 7f61816

Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/Athena/include/AnalogAccelerometer.h b/wpilibc/Athena/include/AnalogAccelerometer.h
new file mode 100644
index 0000000..ad6d6dd
--- /dev/null
+++ b/wpilibc/Athena/include/AnalogAccelerometer.h
@@ -0,0 +1,53 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008. 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 $(WIND_BASE)/WPILib.  */
+/*----------------------------------------------------------------------------*/
+#pragma once
+
+#include "AnalogInput.h"
+#include "SensorBase.h"
+#include "PIDSource.h"
+#include "LiveWindow/LiveWindowSendable.h"
+
+#include <memory>
+
+/**
+ * Handle operation of an analog accelerometer.
+ * The accelerometer reads acceleration directly through the sensor. Many
+ * sensors have
+ * multiple axis and can be treated as multiple devices. Each is calibrated by
+ * finding
+ * the center value over a period of time.
+ */
+class AnalogAccelerometer : public SensorBase,
+                            public PIDSource,
+                            public LiveWindowSendable {
+ public:
+  explicit AnalogAccelerometer(int32_t channel);
+  explicit AnalogAccelerometer(AnalogInput *channel);
+  explicit AnalogAccelerometer(std::shared_ptr<AnalogInput> channel);
+  virtual ~AnalogAccelerometer() = default;
+
+  float GetAcceleration() const;
+  void SetSensitivity(float sensitivity);
+  void SetZero(float zero);
+  double PIDGet() override;
+
+  void UpdateTable() override;
+  void StartLiveWindowMode() override;
+  void StopLiveWindowMode() override;
+  std::string GetSmartDashboardType() const override;
+  void InitTable(std::shared_ptr<ITable> subTable) override;
+  std::shared_ptr<ITable> GetTable() const override;
+
+ private:
+  void InitAccelerometer();
+
+  std::shared_ptr<AnalogInput> m_analogInput;
+  float m_voltsPerG = 1.0;
+  float m_zeroGVoltage = 2.5;
+
+  std::shared_ptr<ITable> m_table;
+};