Files
allwpilib/wpilibc/src/main/native/include/Commands/PIDCommand.h
Peter Johnson f9bece2ffb Update LiveWindow to provide continuous telemetry. (#771)
LiveWindow.updateValues() is now called from IterativeRobotBase on every
loop iteration.  Telemetry for all WPILib classes is enabled by default;
it can be disabled for specific classes using LiveWindow.disableTelemetry(),
or all telemetry can be disabled using LiveWindow.disableAllTelemetry().

This necessitated changing the hook methodology into other classes to
be more property-based rather than each class providing multiple functions.
This had the benefit of reducing boilerplate and increasing consistency.

- Remove NamedSendable, add name to Sendable.

- Provide SendableBase abstract class.

- Deprecate LiveWindow addSensor/addActuator interfaces.

- Add LiveWindow support to drive classes.

- Add addChild() helper functions to Subsystem.

- Fix inheritance hierarchy.  Now only sensors inherit from SensorBase.
  Other devices inherit from some combination of SendableBase, ErrorBase, or
  nothing.
2017-12-04 23:28:33 -08:00

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/*----------------------------------------------------------------------------*/
/* Copyright (c) 2011-2017 FIRST. 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 the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <memory>
#include <string>
#include "Commands/Command.h"
#include "PIDController.h"
#include "PIDOutput.h"
#include "PIDSource.h"
namespace frc {
class PIDCommand : public Command, public PIDOutput, public PIDSource {
public:
PIDCommand(const std::string& name, double p, double i, double d);
PIDCommand(const std::string& name, double p, double i, double d,
double period);
PIDCommand(const std::string& name, double p, double i, double d, double f,
double period);
PIDCommand(double p, double i, double d);
PIDCommand(double p, double i, double d, double period);
PIDCommand(double p, double i, double d, double f, double period);
virtual ~PIDCommand() = default;
void SetSetpointRelative(double deltaSetpoint);
// PIDOutput interface
void PIDWrite(double output) override;
// PIDSource interface
double PIDGet() override;
protected:
std::shared_ptr<PIDController> GetPIDController() const;
void _Initialize() override;
void _Interrupted() override;
void _End() override;
void SetSetpoint(double setpoint);
double GetSetpoint() const;
double GetPosition();
virtual double ReturnPIDInput() = 0;
virtual void UsePIDOutput(double output) = 0;
private:
// The internal PIDController
std::shared_ptr<PIDController> m_controller;
public:
void InitSendable(SendableBuilder& builder) override;
};
} // namespace frc