/* * MIT License * * Copyright (c) 2022 PhotonVision * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package frc.robot; import edu.wpi.first.math.filter.SlewRateLimiter; import edu.wpi.first.wpilibj.XboxController; public class OperatorInterface { private XboxController opCtrl = new XboxController(0); // Slew rate limiters to make joystick inputs more gentle; 1/3 sec from 0 // to 1. private SlewRateLimiter speedLimiter = new SlewRateLimiter(3); private SlewRateLimiter rotLimiter = new SlewRateLimiter(3); public OperatorInterface() {} public double getFwdRevSpdCmd() { // Get the x speed. We are inverting this because Xbox controllers return // negative values when we push forward. return -speedLimiter.calculate(opCtrl.getLeftY()) * Constants.kMaxSpeed; } public double getRotateSpdCmd() { // Get the rate of angular rotation. We are inverting this because we want a // positive value when we pull to the left (remember, CCW is positive in // mathematics). Xbox controllers return positive values when you pull to // the right by default. return -rotLimiter.calculate(opCtrl.getRightX()) * Constants.kMaxAngularSpeed; } public boolean getSimKickCmd() { return opCtrl.getXButtonPressed(); } }