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I'm trying to connect my Sony DS4 Controller to my RPi4 over Bluetooth. It has worked before and I have my BT headphones working, but the controller now really don't want to Connect.

I have successfully Registered and Trusted the controller and it appears in all the right lists. But when I try to 'Connect' it fails.

Doing some reading Iv'e been led to believe that it might be a dbus permission problem?

Here's the output from running bluetoothctl:

[bluetooth]# list
Controller DC:A6:32:A4:3E:B0 BlueZ 5.50 [default]

[bluetooth]# paired-devices
Device AC:1D:06:07:9F:01 AirPods Pro
Device 30:0E:D5:7B:21:7C Wireless Controller Green

[bluetooth]# trust 30:0E:D5:7B:21:7C 
Changing 30:0E:D5:7B:21:7C trust succeeded

[bluetooth]# connect 30:0E:D5:7B:21:7C 
Attempting to connect to 30:0E:D5:7B:21:7C
Failed to connect: org.bluez.Error.Failed
[CHG] Device 30:0E:D5:7B:21:7C Connected: yes
[CHG] Device 30:0E:D5:7B:21:7C Connected: no

And if anyone is adept at dbus (I'm not) here's the monitor output for the connection step above:

https://pastebin.com/TMzqJAFV

EDIT: I forgot to add this error message output as well that I got when trying to Connect using a script in Retropie:

dbus.exceptions.DBusException: org.bluez.Error.NotAvailable: Operation currently not available

I'm using RaspbianOS 32bit, kernel 5.4

Iv'e been sitting a long time trying to figure this out but I feel stuck now. Does anyone have an idea of what to do?

UPDATE 2: After some re-installing and going slowly step by step I have identified the(my?) problem as happening like this:

The following BREAKS Sony game controller bluetooth connectability, but make the Bluetooth Audio Headphones connect correctly.

sudo nano /etc/systemd/system/bluetooth.target.wants/bluetooth.service
to....
ExecStart=/usr/lib/bluetooth/bluetoothd --noplugin=sap --plugin=a2dp

and

This BREAKS Bluetooth Audio Headphones connectability, but makes the Sony game controller connect correctly.

sudo nano /etc/systemd/system/bluetooth.target.wants/bluetooth.service
to....
ExecStart=/usr/lib/bluetooth/bluetoothd --noplugin=sap

The missing link being the a2dp plugin. Is there a way around this to make both the Sony game controller work at the same time as the bluetooth headphones?

Is there a different protocol (or whatever it is) than a2dp that can be used for the audio?

Cheers

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  • I was having exactly the same issue as you, multiple Bluetooth device couldn't connect (Pairing shows connected then immediately disconnect). I solve it by using blueman sudo apt install bluetooth pi-bluetooth bluez blueman Then I just remove all device in bluetoothctl using remove <device> then use GUI to connect. You might want to give it a try
    – PK214
    Jul 28, 2021 at 16:13

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