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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    Mouse works in commandline, but not in Retroarch

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    retroarch 1.8.8 mouse trackball spinner u-hid
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    • A
      AMaraklov
      last edited by

      So I have:
      Raspi 3
      Running retropi Buster 4.7.1
      I'm using a U-HID with an encoder mapped to MouseX, this shows up in Linux under /dev/input/mice and /dev/input/mouse0 with ascii characters. So it's getting input.
      When using it in retroarch with games that support mouse steering for driving games, I get nothing. I tried removing all other input devices other than KB (No Mouse Pad) and the U-Hid. Nothing.
      I tried changing the driver (Joypad) to udev, hid, linuxraw, makes no difference. I added a physical mouse Logitech something... and it worked (udev), steering worked, on the mouse but not on U-Hid. I also checked and have

      mame2003-mame_current_mouse_enable = "enabled"
mame2010-mame_current_mouse_enable = "enabled"
mame2003-mouse_device = "mouse"
mame2010-mouse_device = "mouse"

      I tried ilmame2003 and ilmame-2010, no difference, since they both use retroarch as the input, so I didn't expect much, but I figured I'd try.

      I then tried AdvanceMame, which has it's own input mapping separate from Retroarch, and it worked, straight out of the box, U-Hid, had some issues with the buttons, but that was because I didn't know I had to "Hold" them to get mapped.
      I don't know if that is then a bug, or mouse support doesn't extend to U-Hid, or.... it needs two axes to be considered a mouse, but I've spent days with the issue now, and figured I'd want to invite some outside viewpoints.

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      • mituM
        mitu Global Moderator
        last edited by

        Can you get a verbose log from running lr-mame2003 and post it on pastebin.com ? This should show which mouse/mice device gets detected.
        You can also switch the mouse index in the Controls menu in RetroArch, under the P1 Port, and see if the encoder's mouse movements get detected.

        A 1 Reply Last reply Reply Quote 0
        • A
          AMaraklov @mitu
          last edited by

          @mitu

          So I can't get any mouse input to work on 2003 now, I don't know if I need to wipe the config files for 2003, but I tried 2010 and it "Worked" as in the standard mouse was able to steer the car. The U-Hid Optical Encoder does not, yet it works in windows and on a Kubuntu Desktop as a mouse.
          I'll try to get the full log into a paste-bin, but I think this is the relevant input, as I don't see individual mouse events in the log.

          [INFO] [udev]: Keyboard #0 (/dev/input/event1).
[INFO] [udev]: Keyboard #1 (/dev/input/event4).
[INFO] [udev]: Keyboard #2 (/dev/input/event6).
[INFO] [udev]: Mouse #0 (/dev/input/event0).
[INFO] [udev]: Mouse #1 (/dev/input/mouse0).
[INFO] [udev]: Mouse #2 (/dev/input/event2).
[INFO] [udev]: Mouse #3 (/dev/input/event5).
[INFO] [udev]: Mouse #4 (/dev/input/mouse1).
[INFO] [udev]: Plugged pad: Universal Human Interface Device Universal Human Interface Device (53769:5377) on port #0.
[INFO] [udev]: Pad #0 (/dev/input/event3) supports 0 force feedback effects.
[INFO] [Joypad]: Found joypad driver: "udev".
[WARN] [udev]: Full-screen pointer won't be available.
          A 1 Reply Last reply Reply Quote 0
          • A
            AMaraklov @AMaraklov
            last edited by

            @mitu

            https://pastebin.com/DyShv3zG

            1 Reply Last reply Reply Quote 0
            • mituM
              mitu Global Moderator
              last edited by

              @amaraklov said in Mouse works in commandline, but not in Retroarch:

              [INFO] [udev]: Mouse #0 (/dev/input/event0).
              [INFO] [udev]: Mouse #1 (/dev/input/mouse0).
              [INFO] [udev]: Mouse #2 (/dev/input/event2).
              [INFO] [udev]: Mouse #3 (/dev/input/event5).
              [INFO] [udev]: Mouse #4 (/dev/input/mouse1).

              There are multiple mouse devices detected by RetroArch, so one of them should be the one you need - you just need to change the index of the mouse device in the Port 1 Controls menu (Settings -> Input -> Port 1 Controls) and increment it until you find the correct one.

              994f7999-e430-435c-a7e8-4719d8e3e570-image.png

              A 1 Reply Last reply Reply Quote 0
              • A
                AMaraklov @mitu
                last edited by

                @mitu So I don't know why it thinks it has 4 Mice, but I made sure I went though setting that value from 0-4 in increments of 1 of course, and no input gives me mouse input... I'll check the U-Hid again in windows, to see if it has changed or no longer recognizes it as a mouse, also I'm not wrong to configure the u-hid for using the X-Axis? I'm sorry I'm grasping at straws....

                -AM

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                • mituM
                  mitu Global Moderator
                  last edited by

                  So I don't know why it thinks it has 4 Mice

                  It's really only 2, but they're read twice. Not sure how the U-Hid does the mapping - maybe it maps X and Y axis movement separately so that's why it creates 2 mice ? Or the 2 devices are from the U-Hid and an actual mouse ?

                  Can you get a verbose log with only the U-Hid connected (i.e. no separate mouse) and post it on pastebin.com ? Please add the entire log file, not only the input detection part.

                  A 1 Reply Last reply Reply Quote 0
                  • A
                    AMaraklov @mitu
                    last edited by

                    @mitu The original pastebin link is still up above your reply, but the newest logs show no mouse activity, even though I was spinning that thing like crazy :
                    This is the whole log...

                    Parameters: 
Executing: /opt/retropie/emulators/retroarch/bin/retroarch -L /opt/retropie/libretrocores/lr-mame2003/mame2003_libretro.so --config /opt/retropie/configs/arcade/retroarch.cfg "/home/pi/RetroPie/roms/arcade/polepos1.zip" --verbose --appendconfig /dev/shm/retroarch.cfg
[INFO] RetroArch 1.8.8 (Git 9552f87)
[INFO] Redirecting save file to "/home/pi/RetroPie/roms/arcade/polepos1.srm".
[INFO] Redirecting save state to "/home/pi/RetroPie/roms/arcade/polepos1.state".
[INFO] === Build =======================================
[INFO] Capabilities:  NEON VFPv3 VFPv4
[INFO] Built: Feb 22 2021
[INFO] Version: 1.8.8
[INFO] Git: 9552f87
[INFO] =================================================
[INFO] Loading dynamic libretro core from: "/opt/retropie/libretrocores/lr-mame2003/mame2003_libretro.so"
[INFO] [Overrides] core-specific overrides found at /home/pi/.config/retroarch/config/MAME 2003 (0.78)/MAME 2003 (0.78).cfg.
[INFO] [Overrides] no content-dir-specific overrides found at /home/pi/.config/retroarch/config/MAME 2003 (0.78)/arcade.cfg.
[INFO] [Overrides] no game-specific overrides found at /home/pi/.config/retroarch/config/MAME 2003 (0.78)/polepos1.cfg.
[INFO] Config: appending config "/home/pi/.config/retroarch/config/MAME 2003 (0.78)/MAME 2003 (0.78).cfg"
                    1 Reply Last reply Reply Quote 0
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