Files
allwpilib/wpilibc/wpilibC++Devices/include/InterruptableSensorBase.h
Thomas Clark 4d2a720f47 Move interrupt methods to InterruptableSensorBase
Analog interrupts work again now, and RequestInterrupts is no longer
duplicated three times.

Change-Id: I5244b76262d7620852141cd21b2429d627636793
2014-10-08 14:52:24 -04:00

43 lines
1.7 KiB
C++

/*----------------------------------------------------------------------------*/
/* 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:
enum WaitResult {
kTimeout = 0x0,
kRisingEdge = 0x1,
kFallingEdge = 0x100,
kBoth = 0x101,
};
InterruptableSensorBase();
virtual ~InterruptableSensorBase();
virtual uint32_t GetChannelForRouting() = 0;
virtual uint32_t GetModuleForRouting() = 0;
virtual bool GetAnalogTriggerForRouting() = 0;
virtual void RequestInterrupts(InterruptHandlerFunction handler, void *param); ///< Asynchronus handler version.
virtual void RequestInterrupts(); ///< Synchronus Wait version.
virtual void CancelInterrupts(); ///< Free up the underlying chipobject functions.
virtual WaitResult WaitForInterrupt(float timeout, bool ignorePrevious = true); ///< Synchronus version.
virtual void EnableInterrupts(); ///< Enable interrupts - after finishing setup.
virtual void DisableInterrupts(); ///< Disable, but don't deallocate.
virtual double ReadRisingTimestamp();///< Return the timestamp for the rising interrupt that occurred.
virtual double ReadFallingTimestamp();///< Return the timestamp for the falling interrupt that occurred.
virtual void SetUpSourceEdge(bool risingEdge, bool fallingEdge);
protected:
void* m_interrupt;
uint32_t m_interruptIndex;
void AllocateInterrupts(bool watcher);
static Resource *m_interrupts;
};