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allwpilib/robotpyExamples/examples/TankDrive/robot.py

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#!/usr/bin/env python3
#
# Copyright (c) FIRST and other WPILib contributors.
# Open Source Software; you can modify and/or share it under the terms of
# the WPILib BSD license file in the root directory of this project.
#
import wpilib
class MyRobot(wpilib.TimedRobot):
"""
This is a demo program showing the use of the DifferentialDrive class.
Runs the motors with tank steering.
"""
def __init__(self):
"""Robot initialization function"""
super().__init__()
leftMotor = wpilib.PWMSparkMax(0)
rightMotor = wpilib.PWMSparkMax(1)
self.robotDrive = wpilib.DifferentialDrive(leftMotor, rightMotor)
self.leftStick = wpilib.Joystick(0)
self.rightStick = wpilib.Joystick(1)
# We need to invert one side of the drivetrain so that positive voltages
# result in both sides moving forward. Depending on how your robot's
# gearbox is constructed, you might have to invert the left side instead.
rightMotor.setInverted(True)
def teleopPeriodic(self):
self.robotDrive.tankDrive(-self.leftStick.getY(), -self.rightStick.getY())