Re: bluez/android

[Szymon Janc <szymon.janc@tieto.com>]

Hi Prabhu,

On Monday 15 of June 2015 19:11:32 Prabhu Chawandi wrote:
> Hi Szymon,
> 
>    Thanks for your reply. I was debugging further, I noticed that
> while connecting at service level, there is CIND callback
> (cind_cmd_cb) is coming which is for Call Indicator AT CMD.
> I am curious to know, how it is happening, which can help me to
> understand and  try for other call backs.

Please don't top-post on ML.

As for your question: HFP HAL has methods that should be called as a reply for 
some callbacks ie for cind that would be cind_response. You can check 
"android/hardware/bt_hf.h". 

Yet, Android HAL is rather lowlevel interface not recommended for direct use.
If for whatever reason you are stuck with it I suggest checking Android 
Framework source code as this (and header comments) is the only documentation 
you get for it.

> On Mon, Jun 15, 2015 at 5:42 PM, Szymon Janc <szymon.janc@tieto.com> wrote:
> > Hi Prabhu,
> > 
> > On Monday 15 of June 2015 17:06:41 Prabhu Chawandi wrote:
> >>  This is with respect to HFP profile.
> >> 
> >> While I pressed the Button on my HF device, service level connection
> >> is happening - BTHF_STATE_CONNECTED is coming.
> >> 
> >> But next callbacks are not coming on pressing of buttons - like voice
> >> recognition.
> >> 
> >> Can any body help me
> > 
> > HFP is a bit special since BfA provides only part of the implementation
> > and
> > rest is implemented in Android Framework. When HF device is connected SLC
> > creation must happen. Most likely your HF device is sending some AT
> > commands and you must response to those as per HFP specification. Only
> > when all required SLC AT commands are handled state will be set to
> > BTHF_STATE_SCL_CONNECTED. This is normally handled by Android Framework
> > but if you are using haltest you must handle those on your own.
> > 
> > For details on how to setup SLC I recommend HFP specification lecture.
> > 
> > --
> > BR
> > Szymon Janc

-- 
BR
Szymon Janc