fgc2024-robotcode/MaxSpeed.java

package org.firstinspires.ftc.teamcode;
import java.io.File;  // Import the File class
import java.io.IOException;  // Import the IOException class to handle errors
import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
import org.firstinspires.ftc.robotcore.external.Telemetry;
import com.qualcomm.robotcore.robot.Robot;
import com.qualcomm.robotcore.hardware.DcMotorEx;


@TeleOp
public class MaxVelocityTest extends LinearOpMode {
    DcMotorEx motor;
    double currentVelocity;
    double maxVelocity = 0.0;


    @Override
    public void runOpMode() {
        motor = hardwareMap.get(DcMotorEx.class, "elv1");
        motor.setMode(DcMotor.RunMode.RUN_WITHOUT_ENCODER);
        motor.setPower(1);
        waitForStart();


        while (opModeIsActive()) {
            currentVelocity = motor.getVelocity();
            
            if (currentVelocity > maxVelocity) {
                maxVelocity = currentVelocity;
            }
            
            telemetry.addData("current velocity", currentVelocity);
            telemetry.addData("maximum velocity", maxVelocity);
            telemetry.update();
        }
    }
    private void writeFile(String filename, String content){
	File file = getFile(filename);
	FileOutputStream stream = new FileOutputStream(file);
	try {
	    stream.write(content.getBytes());
	} finally {
	    stream.close();
	}
    }
    private File getFile(String filename){
	File file = new File(filename);
	try{
	file.createNewFile();
	}
	return file;
    }

    private String readFile(String filename){
	File file = getFile(filename);
	int length = (int) file.length();

	byte[] bytes = new byte[length];

	FileInputStream in = new FileInputStream(file);
	try {
	    in.read(bytes);
	} finally {
	    in.close();
	}

	String contents = new String(bytes);
	return contents;
    }

}