allwpilib/robotpyExamples/examples/GettingStarted/robot.py

#!/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):
    def __init__(self):
        """
        This function is called upon program startup and
        should be used for any initialization code.
        """
        super().__init__()
        self.leftDrive = wpilib.PWMSparkMax(0)
        self.rightDrive = wpilib.PWMSparkMax(1)
        self.robotDrive = wpilib.DifferentialDrive(self.leftDrive, self.rightDrive)
        self.controller = wpilib.NiDsXboxController(0)
        self.timer = wpilib.Timer()

        # 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.
        self.rightDrive.setInverted(True)

    def autonomousInit(self):
        """This function is run once each time the robot enters autonomous mode."""
        self.timer.restart()

    def autonomousPeriodic(self):
        """This function is called periodically during autonomous."""

        # Drive for two seconds
        if self.timer.get() < 2.0:
            # Drive forwards half velocity, make sure to turn input squaring off
            self.robotDrive.arcadeDrive(0.5, 0, squareInputs=False)
        else:
            self.robotDrive.stopMotor()  # Stop robot

    def teleopInit(self):
        """This function is called once each time the robot enters teleoperated mode."""

    def teleopPeriodic(self):
        """This function is called periodically during teleoperated mode."""
        self.robotDrive.arcadeDrive(
            -self.controller.getLeftY(), -self.controller.getRightX()
        )

    def utilityInit(self):
        """This function is called once each time the robot enters utility mode."""

    def utilityPeriodic(self):
        """This function is called periodically during utility mode."""