Files
allwpilib/wpilibNewCommands/src/main/native/include/frc2/command/NotifierCommand.h
2020-06-29 22:25:09 -07:00

67 lines
2.3 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) 2019-2020 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 <functional>
#include <initializer_list>
#include <frc/Notifier.h>
#include <units/time.h>
#include <wpi/ArrayRef.h>
#include "frc2/command/CommandBase.h"
#include "frc2/command/CommandHelper.h"
namespace frc2 {
/**
* A command that starts a notifier to run the given runnable periodically in a
* separate thread. Has no end condition as-is; either subclass it or use {@link
* Command#withTimeout(double)} or
* {@link Command#withInterrupt(BooleanSupplier)} to give it one.
*
* <p>WARNING: Do not use this class unless you are confident in your ability to
* make the executed code thread-safe. If you do not know what "thread-safe"
* means, that is a good sign that you should not use this class.
*/
class NotifierCommand : public CommandHelper<CommandBase, NotifierCommand> {
public:
/**
* Creates a new NotifierCommand.
*
* @param toRun the runnable for the notifier to run
* @param period the period at which the notifier should run
* @param requirements the subsystems required by this command
*/
NotifierCommand(std::function<void()> toRun, units::second_t period,
std::initializer_list<Subsystem*> requirements);
/**
* Creates a new NotifierCommand.
*
* @param toRun the runnable for the notifier to run
* @param period the period at which the notifier should run
* @param requirements the subsystems required by this command
*/
NotifierCommand(std::function<void()> toRun, units::second_t period,
wpi::ArrayRef<Subsystem*> requirements = {});
NotifierCommand(NotifierCommand&& other);
NotifierCommand(const NotifierCommand& other);
void Initialize() override;
void End(bool interrupted) override;
private:
std::function<void()> m_toRun;
frc::Notifier m_notifier;
units::second_t m_period;
};
} // namespace frc2