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https://github.com/wpilibsuite/allwpilib
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58021f7397
AnalogModule and DigitalModule classes still exist, at least until they are refactored into the classes that use them. Change-Id: I5544d5418822f19d54ba0a5d651e64fad8b7b10d
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2008. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
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/*----------------------------------------------------------------------------*/
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#pragma once
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#include "HAL/HAL.hpp"
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#include "AnalogTriggerOutput.h"
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#include "CounterBase.h"
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#include "SensorBase.h"
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#include "LiveWindow/LiveWindowSendable.h"
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/**
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* Class for counting the number of ticks on a digital input channel.
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* This is a general purpose class for counting repetitive events. It can return the number
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* of counts, the period of the most recent cycle, and detect when the signal being counted
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* has stopped by supplying a maximum cycle time.
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*/
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class Counter : public SensorBase, public CounterBase, public LiveWindowSendable
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{
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public:
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Counter();
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explicit Counter(uint32_t channel);
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explicit Counter(DigitalSource *source);
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explicit Counter(DigitalSource &source);
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explicit Counter(AnalogTrigger *trigger);
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explicit Counter(AnalogTrigger &trigger);
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Counter(EncodingType encodingType, DigitalSource *upSource, DigitalSource *downSource,
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bool inverted);
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virtual ~Counter();
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void SetUpSource(uint32_t channel);
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void SetUpSource(AnalogTrigger *analogTrigger, AnalogTriggerType triggerType);
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void SetUpSource(AnalogTrigger &analogTrigger, AnalogTriggerType triggerType);
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void SetUpSource(DigitalSource *source);
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void SetUpSource(DigitalSource &source);
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void SetUpSourceEdge(bool risingEdge, bool fallingEdge);
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void ClearUpSource();
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void SetDownSource(uint32_t channel);
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void SetDownSource(AnalogTrigger *analogTrigger, AnalogTriggerType triggerType);
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void SetDownSource(AnalogTrigger &analogTrigger, AnalogTriggerType triggerType);
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void SetDownSource(DigitalSource *source);
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void SetDownSource(DigitalSource &source);
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void SetDownSourceEdge(bool risingEdge, bool fallingEdge);
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void ClearDownSource();
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void SetUpDownCounterMode();
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void SetExternalDirectionMode();
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void SetSemiPeriodMode(bool highSemiPeriod);
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void SetPulseLengthMode(float threshold);
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void SetReverseDirection(bool reverseDirection);
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// CounterBase interface
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void Start();
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int32_t Get();
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void Reset();
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void Stop();
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double GetPeriod();
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void SetMaxPeriod(double maxPeriod);
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void SetUpdateWhenEmpty(bool enabled);
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bool GetStopped();
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bool GetDirection();
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void SetSamplesToAverage(int samplesToAverage);
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int GetSamplesToAverage();
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uint32_t GetIndex()
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{
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return m_index;
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}
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void UpdateTable();
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void StartLiveWindowMode();
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void StopLiveWindowMode();
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virtual std::string GetSmartDashboardType();
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void InitTable(ITable *subTable);
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ITable * GetTable();
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protected:
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DigitalSource *m_upSource; ///< What makes the counter count up.
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DigitalSource *m_downSource; ///< What makes the counter count down.
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void* m_counter; ///< The FPGA counter object.
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private:
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void InitCounter(Mode mode = kTwoPulse);
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bool m_allocatedUpSource; ///< Was the upSource allocated locally?
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bool m_allocatedDownSource; ///< Was the downSource allocated locally?
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uint32_t m_index; ///< The index of this counter.
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ITable *m_table;
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};
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