Using a generic PS2 Trackball with my Raspberry PI and Retropie

[MrRalphMan]

Hi,

I am trying to add a check PS2 Trackball to my Retropie controller, but am not having much luck.

The device works on my PC and lights up when connected to the PI, but Emulation Station will not pick it up to configure.  I know that this will work with the PI, as searching I found the following link:

http://forum.arcadecontrols.com/index.php?topic=146993.0

So I was wondering is it the PS2 --> USB converter that needs to be swapped and if so, does anyone know the correct one to buy, bearing in mind I am in the UK?

Any help would be gratefully received.

Paul

[ark_ader]

Hi,

I am trying to add a check PS2 Trackball to my Retropie controller, but am not having much luck.

The device works on my PC and lights up when connected to the PI, but Emulation Station will not pick it up to configure.  I know that this will work with the PI, as searching I found the following link:

http://forum.arcadecontrols.com/index.php?topic=146993.0

So I was wondering is it the PS2 --> USB converter that needs to be swapped and if so, does anyone know the correct one to buy, bearing in mind I am in the UK?

Any help would be gratefully received.

Paul

Well due to the fact you are in the UK....

[nitrogen_widget]

You have to configure the mouse input to be on in whichever emulator you use before it will work.

EmulationStation doesn't use the mouse as far as I know for selection and input.

[MrRalphMan]

Hi,

I think I was being a numpty, yes I was expecting Emulation Station to find the Track Ball.

So following the Wiki (https://retropie.org.uk/docs/Spinners,-Trackballs,-Lightguns,-and-other-Mouse-Devices/) I have found that mouse0 is the trackball and it does seem to be working under Linux on the PI.

I have added the following line to the retroarch.cfg file for mame2003-libretro, which is the emulator I am using, but I still unable to configure this under the Track settings, for Missile command for example.
Is there another step that I have missed, or should I be able to set the settings, using the track ball input?

**** Update ****
I have seen another post that states they got it working by putting the following in the /configs/all/retroarch-core-options.cfg file.

mame2003-tate_mode = "enabled"

This still does not allow me to set the track controls in a game to this device.  Do I need to do this manually?

Many Thanks,

Paul

[MrRalphMan]

Hokay, a quick update.

I've tested a game with logging and I see this section around the inputs:

[INFO] [udev]: Keyboard #0 (/dev/input/event3).
[INFO] [udev]: Keyboard #1 (/dev/input/mouse1).
[INFO] [udev]: Keyboard #2 (/dev/input/event0).
[ERROR] [udev] Failed to open device: /dev/input/event3 (Success).
[INFO] [udev]: Mouse #0 (/dev/input/mouse1).
[ERROR] [udev] Failed to open device: /dev/input/event1 (Success).
[INFO] [udev]: Mouse #1 (/dev/input/mouse0).
[INFO] [udev]: Plugged pad: DragonRise Inc.   Generic   USB  Joystick   (121:6) on port #0.
[INFO] [udev]: Pad #0 (/dev/input/event2) supports 0 force feedback effects.

Now doing a cat on the different inputs, I find the following mappings:

mouse0 (Track Pad)
mouse1 (KB Mouse)
event0 (Unknown)
event1 (Track Pad)
event2 (Unknown - Constant Input)
event3 (KB Mouse)
js0    (USB Joypad Controller)
mice   (Track Pad & KB Mouse)

So am I right in saying that the Trackpad is mouse0, but mouse index 1 as per the 'Mouse #1 (/dev/input/mouse0)' line?

I have deleted the mame2003 default.cfg file and the associated .cfg file for missile command.  This has not worked.
Looking at the game control options within the Mame GUI, what I do see is that the Track x/y settings are set to the retropad1, so not sure if this needs to be altered?

Any advice would be great at this point..

Many Thanks,

Paul

[nitrogen_widget]

I've only used Advanced mame with the mouse on the RPI.

but I have an old laptop with linux installed and retroarch here at work so I took a look.
Get into the retroarch settings by just running retroarch by itself.

https://www.retroarch.com/index.php?page=configuration

go to input and select Input User 1 Binds.
set user 1 device type as the mouse. my laptop calls it retropad.
Then I loaded up centipede and I was able to move around using the touchpad and the arrow keys on the keyboard so it didn't nutz anything up.
Hope this helps as debian desktop isn't exactly non-desktop rpi linux.

[MrRalphMan]

I've only used Advanced mame with the mouse on the RPI.

but I have an old laptop with linux installed and retroarch here at work so I took a look.
Get into the retroarch settings by just running retroarch by itself.

https://www.retroarch.com/index.php?page=configuration

go to input and select Input User 1 Binds.
set user 1 device type as the mouse. my laptop calls it retropad.
Then I loaded up centipede and I was able to move around using the touchpad and the arrow keys on the keyboard so it didn't nutz anything up.
Hope this helps as debian desktop isn't exactly non-desktop rpi linux.

Maybe you could share the retroarch core config file when you get a chance. 
Just so I can take a look at what's being set.

Paul

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[MrRalphMan]

Just to let you know this is now working, seems that when I had the wireless keyboard plugged in, it would only see that.
Reboot the pi without it and the ball works just fine.

Paul

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