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    Ghost/Phantom Inputs in Emulationstation

    Recalbox General
    input lag bluetooth
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    • lexx
      lexx last edited by

      Hey there!

      A few weeks ago I switched to RecalBox and I absolutely love it so far.
      I used some time lately to reorganize my library of games.

      Before I had a little smaller library and ghost/phantom input just rarely happened. For example: When I scroll down the game list of a platform, it would just go on until I press another key.

      Now that my library is bigger, it happens much more. Actually so often that I can't use my controller in Emulationstation anymore.

      Here is what I use:
      Raspberry Pi 3b
      Asus BT 4.0 Dongle
      2TB HDD
      Sony Dual Shock 4
      8bitdo NES30 Pro
      Rii i8+ Keyboard

      These input problems do not happen when I use the Rii i8+ Keyboard, which came with his own dongle.

      It does happen with both Controllers. Doesn't make a difference if I use my BT Dongle or the onboard BT.

      What I still need to try is if it happens when I use a cable connected to a controller.

      What's the cause of the problem?
      Since it only happens in the game list, I assume that the huge amount of scraped images are causing it(?)

      Can you reduce it somehow? New/other Bluetooth dongle? Wait for the RecalBox Version for the 3b+?
      Overclock higher than 1300Mhz?

      Anything that could help is appreciated.

      Thanks,
      lexx

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      • Substring
        Substring @lexx last edited by

        @lexx start evtest and check all input devices to see which one is sending ghost inputs. Have you enabled the gpio controls ?

        Former dev - Please reply with @substring so that i am notified when you answer me
        Ex dev - Merci de me répondre en utilisant @substring pour que je sois notifé

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        • lexx
          lexx @Substring last edited by lexx

          @substring Thank you for answering.

          I usually have only the PS4 controller paired. The 8bitdo is never being used. Only tried it out to see if I also have the problem with that one as well.

          Only the Rii i8+ with his own dongle is connected and my PS4 controller over Bluetooth

          I've tried the evtest just now. Here are two pictures.
          Strange is that I see the keyboard twice. And the test itself was too fast to see any manual input from the controller. Edit: You can actually see one from me.

          I did not enable gpio controls. Isn't that related to multiple arcade controllers? I'll look it up.

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          • Substring
            Substring @lexx last edited by

            @lexx which controller generated all those outputs ? which number in [0-2] ?

            Former dev - Please reply with @substring so that i am notified when you answer me
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            • lexx
              lexx @Substring last edited by lexx

              @substring It was 2 - the Wireless Controller aka PS4.

              Edit: Same happens with the 8bitdo NES30.
              The pictures from the post above were with onboard Bluetooth enabled and no dongle connected.

              I now disabled onboard Bluetooth and added my dongle. It works a bit better, but it's still hard to navigate through the Emulationstation menu. Still ghost inputs. Only the keyboard works flawlessly.

              In-game everything is fine.

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              • Substring
                Substring @lexx last edited by

                @lexx your pad looks like it's not calibrated as it's alays sending inputs

                Former dev - Please reply with @substring so that i am notified when you answer me
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                • lexx
                  lexx @Substring last edited by lexx

                  @substring Anything I can do about it?

                  Another edit: After thinking about it ...
                  That would be strange as it has no problems in games. At all. It's only happening in Emulationstation. Nowhere else.
                  I'm confused.

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                  • Substring
                    Substring @lexx last edited by

                    @lexx the gamepad is constantly moving of 1/256th, so most emulator that use digital inputs wouldn't notice it

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