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-   -   Digital Module not present, when it is (http://www.chiefdelphi.com/forums/showthread.php?t=99958)

michael714 12-01-2012 18:21
Digital Module not present, when it is
 
Condensed problem:
Netbeans gives error:
Code:
[cRIO] Digital Module 6 is not present.
We have a working Digital Module NI 9403 with a working DB-37 cable connected to a working Digital Sidecar, and in the code I call a jaguar using "jaguar(6,1)". The code loads ONLY with aforementioned error, and runs - but I get no response from the jaguar. All other features of code work, but nothing associated with the digital sidecar/module.


Full, in-depth problem:
We uploaded the new firmware to the cRIO and our 2011 classmate (via provided Key) and to our developer laptop. We then proceeded to upload the SAME EXACT CODE that was on the robot before the update - when it was working. That's when we first got an error, something to the lines of
Code:
[cRIO] Digital Module 1 is not present.
[cRIO] Digital Module 4 is not present.
That error was repeated several times each, with probably ten lines of module 1 and five lines of module 4 errors right after it, and the code would NOT run. After doing some research, we discovered that we are using the old cRIO with 8 slots, and slots 4 and 8 have become obsolete this year. By the time we realized this, we had already changed the code so it only had essentially one line of code, that called a jaguar in slot 2 (where we moved the digital module). It continued to give us the error "Digital Module 2 is not present" (no longer complained about slot 1, which has an analog module in it BTW). So, we switched our old cable (idk what it's called) for the new DB-37 ribbon cable ***we had to fix the cable, as instructed by FIRST***. No change. Changed our Older Digital Module for one we got Brand New this year. No change. Then switched the older Digital Sidecar for the new one we got, removing every cable except the essential cables, and the jaguar in channel 1. No change. (At this point, I think I was going to throw the laptop at the robot *eyeroll*) We decided to simplify the code even more. We changed to a digital VEX button, added a System.out.println(<status of button, true or false>) and then ran again. We got the same error as usual, "Digital Module 2 is not present" (only got this error printed twice, irrelevant though) and ran the robot. The System.out kept printing false, regardless of whether or not I held the button down.


Extra Info:
Somewhere along the lines, I had the code call the jaguar from a slot where the digital module ACTUALLY was not present. We did NOT get an error from the cRIO, when it physically was not present, but got the error when it physically was present. Ironic, right? We've searched for hours on this, and couldn't find anything related to this problem... kinda annoying. After 4 days of working on this, trying to debug the problem, we need some help.


Soo.... any ideas?
Just please don't tell us to plug in the module :P

RufflesRidge 12-01-2012 18:24
Re: Digital Module not present, when it is
 
Quote:
Originally Posted by michael714 (Post 1103779)
Soo.... any ideas?
Just please don't tell us to plug in the module :P
Plug in the module.....in Slot 2, and update your code to call it as Digital Module 1 instead of Slot 6. See page 15 of the Getting Started with Java document on the WPILib project.

sebflippers 12-01-2012 19:19
Re: Digital Module not present, when it is
 
I had the exact same problem, only different. Mine was with the solenoid breakout module. Just for clarification you meant page 14 of this guide, right (because there was nothing on page 15):
http://first.wpi.edu/Images/CMS/Firs...va_for_FRC.pdf

sebflippers 12-01-2012 19:35
Re: Digital Module not present, when it is
 
is there some reason my last reply didn't show up?

RufflesRidge 12-01-2012 19:36
Re: Digital Module not present, when it is
 
Quote:
Originally Posted by sebflippers (Post 1103836)
is there some reason my last reply didn't show up?
If it had a link it must be approved by moderators before showing up. I would assume based on the speed of some posts here that this requirement goes away once a certain post or rep threshold is reached.

sebflippers 12-01-2012 19:37
Re: Digital Module not present, when it is
 
guess it didn't. I checked the Getting_Started_with_Java_for_FRC.pdf, and there was nothing good on page 15. Anyway, I am having the same problem with the solenoid breakout, so I really need a fix.

Yea, it did have a link.

RufflesRidge 12-01-2012 19:40
Re: Digital Module not present, when it is
 
Quote:
Originally Posted by sebflippers (Post 1103840)
guess it didn't. I checked the Getting_Started_with_Java_for_FRC.pdf, and there was nothing good on page 15. Anyway, I am having the same problem with the solenoid breakout, so I really need a fix.

Yea, it did have a link.
Does your document say Rev 5.0 January 5, 2012 on the bottom of the first page? I just checked the one on the WPILib project and it certainly does have the info you are looking for on pages 15 and 16

sebflippers 12-01-2012 19:48
Re: Digital Module not present, when it is
 
nope, i seem to be looking at the wrong one, but i can't find revision 5. Could you please post the link. you seem like a senior enough member to be allowed to.

RufflesRidge 12-01-2012 19:50
Re: Digital Module not present, when it is
 
Here's the link to the document:
http://firstforge.wpi.edu/sf/go/doc1199?nav=1

michael714 12-01-2012 20:12
Re: Digital Module not present, when it is
 
You rock! That totally helped us. Thanks.

RufflesRidge 12-01-2012 20:14
Re: Digital Module not present, when it is
 
Quote:
Originally Posted by sebflippers (Post 1103856)
nope, i seem to be looking at the wrong one, but i can't find revision 5. Could you please post the link. you seem like a senior enough member to be allowed to.
I guess I'm not yet. Go to firstforge.wpi.edu and locate the WPILib project. The document is in the Documents section, under C++ and Java documentation and is called Java Getting Started Guide

sebflippers 12-01-2012 20:18
Re: Digital Module not present, when it is
 
found it. Thanks for the help!

Twisted eric 20-01-2012 20:05
Re: Digital Module not present, when it is
 
I have read through the naming on the pdf and don't know what I did wrong can some one tell me I.


When I load the code It reads out" Digital module 1 is present"
Here is my code

Code:

package edu.wpi.first.wpilibj.templates;

import edu.wpi.first.wpilibj.SimpleRobot;
import edu.wpi.first.wpilibj.Watchdog;
import edu.wpi.first.wpilibj.Joystick;
import edu.wpi.first.wpilibj.DriverStation;
import edu.wpi.first.wpilibj.RobotDrive;
import edu.wpi.first.wpilibj.Victor;
import edu.wpi.first.wpilibj.Timer;
import edu.wpi.first.wpilibj.Jaguar;
import edu.wpi.first.wpilibj.DigitalInput;


public class RobotTemplate extends SimpleRobot {

    private static final long TIME_DELAY = 1000; //in milliseconds
    RobotDrive drive = new RobotDrive(1,2);
    Joystick leftStick = new Joystick(1);
    Joystick rightStick = new Joystick(2);
    Joystick doom = new Joystick(3);
    Watchdog fenrir = Watchdog.getInstance();
    Jaguar spot = new Jaguar(3);
    Jaguar rex = new Jaguar(8);
    Jaguar cooper = new Jaguar(9);
    Jaguar comet = new Jaguar(4);
    Victor Bowser = new Victor(10);
    DriverStation ds;

    public void autonomous() {
        fenrir.feed();


    }

    void clawin() {
        if (doom.getRawButton(2)) {
            spot.set(1.0);
            cooper.set(1.0);
        }
    }

    void clawout() {
        if (doom.getRawButton(3)) {
            spot.set(-1.0);


        }
    }

    void clawout2() {
        if (doom.getRawButton(3)) {
            cooper.set(-1.0);

        }

    }

    void up() {
        if (doom.getRawButton(4)) {
            spot.set(-1.0);

        }

    }

    void up2() {
        if (doom.getRawButton(4)) {


            cooper.set(1.0);
        }

    }

    void down() {
        if (doom.getRawButton(5)) {
            spot.set(1.0);

        }

    }

    void down2() {
        if (doom.getRawButton(5)) {

            cooper.set(-1.0);
        }

    }

    void stop() {
        if (doom.getRawButton(1)) {
            cooper.set(0.0);
            spot.set(0.0);

        }


    }

    void minideploy() {

        if (leftStick.getRawButton(2)) {
            Bowser.set(1.0);

        } else {
            Bowser.set(0.0);
        }
    }

    void mini() {

        if (leftStick.getRawButton(3)) {
            Bowser.set(-1.0);

        } else {
            Bowser.set(0.0);
        }

    }

    void armre() {

        if (leftStick.getRawButton(1)) {
            comet.set(-1.0);

        } else {
            comet.set(0.0);

        }
    }

    public void operatorControl() {
        while (true && isOperatorControl() && isEnabled()) {
            drive.tankDrive(leftStick, rightStick);
            down();
            down2();
            up();
            up2();
            armre();
            clawout();
            clawin();
            rex.set(doom.getY());
            stop();
            clawout2();
            minideploy();
            mini();
            fenrir.feed();
        }
    }
}


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