2 8bitdo controllers won't connect at same time
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@agtrigormortis good suggestion! Ill give it a try. Would love to get homm3 going!
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@cnoto I'm gonna try to have Dosbian installed on my Pi4 with its RetroPie software. :)
hopefully it's a success. It would be the retro console/PC gaming machine if it works. -
O.K. I think this is the log for my specific issue. I connected controller 1 by turning the pi on then the controller. Then I connected controller 2. Then controller 1 lost connection and turned off. The logs are below.
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Jan 28 16:25:04 retropie kernel: [ 235.142772] hid-generic 0005:2DC8:5101.0001: unknown main item tag 0x0
Jan 28 16:25:04 retropie kernel: [ 235.143377] input: 8BitDo M30 Modkit as /devices/platform/soc/20201000.serial/tty/ttyAMA0/hci0/hci0:11/0005:2DC8:5101.0001/input/input0
Jan 28 16:25:04 retropie kernel: [ 235.154467] hid-generic 0005:2DC8:5101.0001: input,hidraw0: BLUETOOTH HID v1.00 Gamepad [8BitDo M30 Modkit] on b8:27:eb:35:c7:85
Jan 28 16:25:14 retropie kernel: [ 245.099711] hid-generic 0005:2DC8:5101.0002: unknown main item tag 0x0
Jan 28 16:25:14 retropie kernel: [ 245.100822] input: 8BitDo M30 Modkit as /devices/platform/soc/20201000.serial/tty/ttyAMA0/hci0/hci0:12/0005:2DC8:5101.0002/input/input1
Jan 28 16:25:14 retropie kernel: [ 245.116986] hid-generic 0005:2DC8:5101.0002: input,hidraw1: BLUETOOTH HID v1.00 Gamepad [8BitDo M30 Modkit] on b8:27:eb:35:c7:85...
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The log shows only the connection messages, but there's nothing about disconnecting.
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@mitu ok thanks. Any other ideas? Im stumped on this one.
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@cnoto Do you have the Pi in a case ? Is there anything around it that may cause interference ?
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@mitu The pi is not currently in a case. I haven’t had an issue like this before and built quite a few setups using bluetooth controllers in this location. The controllers both work fine on their own. The issue arrises when they are used at the same time.
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@mitu Is the processing for adding controllers different when connects the first time via the Bluetooth menu vs connecting via a udev rule? The first works fine and the second is where the issues are coming.
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@cnoto The
udevrule kicks into place after a connection to the device is made and the device is added to the system, it doesn't have any influence on the quality or establishment of the connection. -
@mitu It looks as if controller two is taking over for controller 1. Is there a way to change the name of a controller within retropie to ensure they are read differently.
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Is there a way to change the name of a controller within retropie to ensure they are read differently.
No, naming is assigned based on what the controller reports - at the OS (Linux) level.
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I tested the same controller setup with a pi3A so I have confirmed that the controllers are working properly. It seems to be an issue with the pi0w as both I have on hand had the same problem. I will rethink my genesis focused build to leverage the 8bitdo mod30s on a pi3A instead.
The question is - do I leverage a Genesis cartridge as the case or some sweet colorful nes carts I just picked up. I would need a label for the genesis cart. Let me know if anyone knows of a place to get a custom genesis cart label (preferably that fits on an EA sized game).
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