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https://github.com/wpilibsuite/allwpilib
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61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2008-2016. 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 the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#pragma once
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#include "LiveWindow/LiveWindowSendable.h"
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#include "PIDSource.h"
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#include "SensorBase.h"
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#include "simulation/SimFloatInput.h"
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#include <memory>
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/**
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* Analog input class.
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*
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* Connected to each analog channel is an averaging and oversampling engine.
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* This engine accumulates the specified ( by SetAverageBits() and
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* SetOversampleBits() ) number of samples before returning a new value. This
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* is not a sliding window average. The only difference between the
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* oversampled samples and the averaged samples is that the oversampled samples
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* are simply accumulated effectively increasing the resolution, while the
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* averaged samples are divided by the number of samples to retain the
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* resolution, but get more stable values.
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*/
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class AnalogInput : public SensorBase,
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public PIDSource,
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public LiveWindowSendable {
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public:
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static const uint8_t kAccumulatorModuleNumber = 1;
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static const uint32_t kAccumulatorNumChannels = 2;
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static const uint32_t kAccumulatorChannels[kAccumulatorNumChannels];
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explicit AnalogInput(uint32_t channel);
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virtual ~AnalogInput() = default;
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float GetVoltage() const;
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float GetAverageVoltage() const;
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uint32_t GetChannel() const;
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double PIDGet() override;
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void UpdateTable() override;
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void StartLiveWindowMode() override;
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void StopLiveWindowMode() override;
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std::string GetSmartDashboardType() const override;
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void InitTable(std::shared_ptr<ITable> subTable) override;
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std::shared_ptr<ITable> GetTable() const override;
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private:
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uint32_t m_channel;
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SimFloatInput* m_impl;
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int64_t m_accumulatorOffset;
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std::shared_ptr<ITable> m_table;
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};
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