Allowed sharing of common C++ code between RoboRIO and Simulation.

Change-Id: I8bf2bda9df389c13ae0567a62dbf0ca931ceb6f8

wpilibc/wpilibC++Devices/include/InterruptableSensorBase.h

@@ -0,0 +1,30 @@
+/*----------------------------------------------------------------------------*/
+/* 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 "HAL/HAL.hpp"
+#include "SensorBase.h"
+#include "Resource.h"
+
+class InterruptableSensorBase : public SensorBase
+{
+public:
+	InterruptableSensorBase();
+	virtual ~InterruptableSensorBase();
+	virtual void RequestInterrupts(InterruptHandlerFunction handler, void *param) = 0; ///< Asynchronus handler version.
+	virtual void RequestInterrupts() = 0;		///< Synchronus Wait version.
+	virtual void CancelInterrupts();			///< Free up the underlying chipobject functions.
+	virtual void WaitForInterrupt(float timeout); ///< Synchronus version.
+	virtual void EnableInterrupts();			///< Enable interrupts - after finishing setup.
+	virtual void DisableInterrupts();		///< Disable, but don't deallocate.
+	virtual double ReadInterruptTimestamp();///< Return the timestamp for the interrupt that occurred.
+protected:
+	void* m_interrupt;
+	uint32_t m_interruptIndex;
+	void AllocateInterrupts(bool watcher);
+
+	static Resource *m_interrupts;
+};