mirror of
https://github.com/wpilibsuite/allwpilib
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bb50f4b134
Made a toplevel directory for C++ and C++ tests Change-Id: I4bc2074a7036ec7fe79568b411637a5bee9eb5b3 Added the C++ testing framework and one test Change-Id: I1e80a1e16b251a49666820a9d4c8caa025da9785
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2011. 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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#ifndef __TRIGGER_H__
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#define __TRIGGER_H__
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#include "SmartDashboard/Sendable.h"
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class Command;
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/**
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* This class provides an easy way to link commands to inputs.
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*
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* It is very easy to link a polled input to a command. For instance, you could
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* link the trigger button of a joystick to a "score" command or an encoder reaching
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* a particular value.
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*
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* It is encouraged that teams write a subclass of Trigger if they want to have
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* something unusual (for instance, if they want to react to the user holding
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* a button while the robot is reading a certain sensor input). For this, they
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* only have to write the {@link Trigger#Get()} method to get the full functionality
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* of the Trigger class.
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*
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* @author Brad Miller, Joe Grinstead
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*/
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class Trigger : public Sendable
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{
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public:
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Trigger();
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virtual ~Trigger() {}
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bool Grab();
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virtual bool Get() = 0;
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void WhenActive(Command *command);
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void WhileActive(Command *command);
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void WhenInactive(Command *command);
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void CancelWhenActive(Command *command);
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void ToggleWhenActive(Command *command);
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virtual void InitTable(ITable* table);
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virtual ITable* GetTable();
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virtual std::string GetSmartDashboardType();
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protected:
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ITable* m_table;
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};
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#endif
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