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/simulation/include/DigitalInput.h b/wpilibc/simulation/include/DigitalInput.h
new file mode 100644
index 0000000..1482e9c
--- /dev/null
+++ b/wpilibc/simulation/include/DigitalInput.h
@@ -0,0 +1,40 @@
+/*----------------------------------------------------------------------------*/
+/* 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 "simulation/SimDigitalInput.h"
+#include "LiveWindow/LiveWindowSendable.h"
+
+#include <memory>
+
+/**
+ * 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 LiveWindowSendable {
+public:
+	explicit DigitalInput(uint32_t channel);
+	virtual ~DigitalInput() = default;
+	uint32_t Get() const;
+	uint32_t GetChannel() const;
+
+	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:
+	uint32_t m_channel;
+	bool m_lastValue;
+	SimDigitalInput *m_impl;
+
+	std::shared_ptr<ITable> m_table;
+};