Package edu.wpi.first.wpilibj2.command
Class PIDCommand
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- edu.wpi.first.wpilibj2.command.CommandBase
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- edu.wpi.first.wpilibj2.command.PIDCommand
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public class PIDCommand extends CommandBase
A command that controls an output with aPIDController. Runs forever by default - to add exit conditions and/or other behavior, subclass this class. The controller calculation and output are performed synchronously in the command's execute() method.
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Field Summary
Fields Modifier and Type Field Description protected PIDControllerm_controllerprotected DoubleSupplierm_measurementprotected DoubleSupplierm_setpointprotected DoubleConsumerm_useOutput-
Fields inherited from class edu.wpi.first.wpilibj2.command.CommandBase
m_requirements
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Constructor Summary
Constructors Constructor Description PIDCommand(PIDController controller, DoubleSupplier measurementSource, double setpoint, DoubleConsumer useOutput, Subsystem... requirements)Creates a new PIDCommand, which controls the given output with a PIDController.PIDCommand(PIDController controller, DoubleSupplier measurementSource, DoubleSupplier setpointSource, DoubleConsumer useOutput, Subsystem... requirements)Creates a new PIDCommand, which controls the given output with a PIDController.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidend(boolean interrupted)The action to take when the command ends.voidexecute()The main body of a command.PIDControllergetController()Returns the PIDController used by the command.voidinitialize()The initial subroutine of a command.-
Methods inherited from class edu.wpi.first.wpilibj2.command.CommandBase
addRequirements, getName, getRequirements, getSubsystem, initSendable, setName, setSubsystem
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface edu.wpi.first.wpilibj2.command.Command
alongWith, andThen, andThen, asProxy, beforeStarting, cancel, deadlineWith, hasRequirement, isFinished, isScheduled, perpetually, raceWith, runsWhenDisabled, schedule, schedule, withInterrupt, withTimeout
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Field Detail
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m_controller
protected final PIDController m_controller
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m_measurement
protected DoubleSupplier m_measurement
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m_setpoint
protected DoubleSupplier m_setpoint
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m_useOutput
protected DoubleConsumer m_useOutput
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Constructor Detail
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PIDCommand
public PIDCommand(PIDController controller, DoubleSupplier measurementSource, DoubleSupplier setpointSource, DoubleConsumer useOutput, Subsystem... requirements)
Creates a new PIDCommand, which controls the given output with a PIDController.- Parameters:
controller- the controller that controls the output.measurementSource- the measurement of the process variablesetpointSource- the controller's setpointuseOutput- the controller's outputrequirements- the subsystems required by this command
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PIDCommand
public PIDCommand(PIDController controller, DoubleSupplier measurementSource, double setpoint, DoubleConsumer useOutput, Subsystem... requirements)
Creates a new PIDCommand, which controls the given output with a PIDController.- Parameters:
controller- the controller that controls the output.measurementSource- the measurement of the process variablesetpoint- the controller's setpointuseOutput- the controller's outputrequirements- the subsystems required by this command
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Method Detail
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initialize
public void initialize()
Description copied from interface:CommandThe initial subroutine of a command. Called once when the command is initially scheduled.
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execute
public void execute()
Description copied from interface:CommandThe main body of a command. Called repeatedly while the command is scheduled.
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end
public void end(boolean interrupted)
Description copied from interface:CommandThe action to take when the command ends. Called when either the command finishes normally, or when it interrupted/canceled.- Parameters:
interrupted- whether the command was interrupted/canceled
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getController
public PIDController getController()
Returns the PIDController used by the command.- Returns:
- The PIDController
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