[pulseaudio-discuss] Bluetooth + HSP + Raspberry?

[Mikel Astiz]

Hi Bram,

On Jun 14, 2013 3:09 PM, "Bram de Jong" <bram.dejong at gmail.com> wrote:
>
> Hi Mikel,

Please avoid top-posting.

>
>
> Thanks for all the help so far! I've gotten a bit further again, but
> no sigar yet!
>
> Enable=Gateway was definitely the ticket: I set it and now
> HandsfreeGateway.Connect shows up and executes correctly, my phone
> suddenly shows a new checkbox "Phone audio: Connected to phone audio".
> Superb! So I called myself as a test and -lo and behold- the bluetooth
> symbol shows up when I pick up.

Sounds good.

>
> However, after this I checked the PA sources and no bluetooth source
> is to be seen.
> Not only that, when I hung up the phone my kernel bailed out on me :-)
>
> (I suppose this now takes me to ofono configuration land?)

One good thing about oFono is there's not much you can configure. If you
reached the point where the profile connects, you're basically done with
oFono.

I would strongly encourage to upgrade to a more recent version of PA. Some
of the fixes after 2.1 were specifically addressing this Bluetooth role.

Cheers,
Mikel

>
>
>  - bram
>
> On Fri, Jun 14, 2013 at 12:03 PM, Mikel Astiz <mikel.astiz.oss at gmail.com>
wrote:
> > Hi Bram,
> >
> > On Fri, Jun 14, 2013 at 10:20 AM, Bram de Jong <bram.dejong at gmail.com>
wrote:
> >> Hi Mikel,
> >>
> >>> As Tanu mentioned, this can be done calling
> >>> HandsfreeGateway.Connect(). You can do this in command line or using a
> >>> tool such as d-feet. People tend to think that Audio.Connect()
> >>> connects all audio profiles but this is not the case in BlueZ 4: you
> >>> have to explicitly call HandsfreeGateway.Connect() for HSP/HFP and
> >>> AudioSource.Connect() for A2DP.
> >>
> >> Aha! Hmm, I'm using d-feet but I can't see the method
> >> HandsfreeGateway.Connect on bluez. I do see Audio.Connect, but no
> >> mention of HandsfreeGateway.
> >
> > That's because oFono is not running or correctly set up.
> >
> >>
> >>> Alternatively, you can initiate the connection from the phone. This
> >>> should work out of the box assuming the device is marked as trusted.
> >>
> >> I'm actually always initiating from the phone side. On Android I do
> >> have a checkbox on the phone that reads "Media audio: connected to
> >> media audio" which to me sounds a bit like A2DP and not HFS.
> >
> > Exactly (but "HFS" should be HSP/HFP).
> >
> >>
> >>> More importantly, in order to make all this work, you'll also need a
> >>> telephony component which implements the headset role (note that BlueZ
> >>> doesn't do this). I would recommend oFono 1.12 but older versions
> >>> should also work fine.
> >>
> >> Is there anything specific I need to configure for this to work or
> >> does the package just need to "be" there?
> >> Also, as I said before, I'm only trying to OUTPUT the audio to the
> >> HSP/HFP, not use the Pi as a microphone, or does ofono need to be
> >> present anyway?
> >
> > oFono needs to be present anyway, it makes no difference that you're
> > interested in one-way audio.
> >
> > Installing oFono should generally be fine assuming it was compiled
> > with --enable-bluetooth. In a similar way, BlueZ should be compiled
> > with --with-telephony=ofono.
> >
> > If it doesn't work, make sure your BlueZ audio.conf includes
> > Enable=Gateway. This might be necessary depending on the exact BlueZ
> > version you're using (e.g. some distros have patches to enable this
> > profile/role by default).
> >
> > Cheers,
> > Mikel
>
>
>
> --
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>
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