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/DigitalInput.h b/wpilibc/Athena/include/DigitalInput.h
new file mode 100644
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--- /dev/null
+++ b/wpilibc/Athena/include/DigitalInput.h
@@ -0,0 +1,51 @@
+/*----------------------------------------------------------------------------*/
+/* 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 "DigitalSource.h"
+#include "LiveWindow/LiveWindowSendable.h"
+
+#include <memory>
+#include <cstdint>
+
+class DigitalGlitchFilter;
+
+/**
+ * Class to read a digital input.
+ * This class will read digital inputs and return the current value on the
+ * channel. Other devices
+ * such as encoders, gear tooth sensors, etc. that are implemented elsewhere
+ * will automatically
+ * allocate digital inputs and outputs as required. This class is only for
+ * devices like switches
+ * etc. that aren't implemented anywhere else.
+ */
+class DigitalInput : public DigitalSource, public LiveWindowSendable {
+ public:
+  explicit DigitalInput(uint32_t channel);
+  virtual ~DigitalInput();
+  bool Get() const;
+  uint32_t GetChannel() const;
+
+  // Digital Source Interface
+  virtual uint32_t GetChannelForRouting() const;
+  virtual uint32_t GetModuleForRouting() const;
+  virtual bool GetAnalogTriggerForRouting() const;
+
+  void UpdateTable();
+  void StartLiveWindowMode();
+  void StopLiveWindowMode();
+  std::string GetSmartDashboardType() const;
+  void InitTable(std::shared_ptr<ITable> subTable);
+  std::shared_ptr<ITable> GetTable() const;
+
+ private:
+  uint32_t m_channel;
+
+  std::shared_ptr<ITable> m_table;
+  friend class DigitalGlitchFilter;
+};