[Bluez-devel] ring_and_wait_for_button patch for headsetd

[Bluez-devel] ring_and_wait_for_button patch for headsetd

[Marcus Brown]

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Hi all,

Further to Brad's suggestion on #, I've had a go at
creating a patch for my mods to headsetd.

Please forgive the hackery, and the diff format, as I've
never played with C(*) on this level, or with diffs.
Hopefully somebody will find it of use.

The purpose of the patch is to add an extra ringing
state in the chain, and fork a ringer process. If the
headset button is pushed within the timeout (ringout)
then the connection state advances to the next level.

The idea being that I can have my headset (clip) in my
pocket, and use it for (spoken) alerts from my server.
When the server attempts to contact the headset, the
headset rings and will only send audio if the button is
pushed.

The timeout in ~/.asound needs to suit the maximum ring
time + connection delay ... I used 10000 (10 secs).

It does need cleaning up (in general), and has some
minor problems (button vs ring timing?), but works well
for me at the moment.

I wasn't able to figure out how to (properly) use dbus,
so I've used lock files in tmp. It would also be better
to use environment vars(?) to set things like ringout,
ring_enable, wait_for_button, etc ... but I guess that
will have to wait until I have need for it ;)

I'd like to be able to add vibrate support if possible,
but I'm not sure if the method I used to send RING is
also a good way to send +CVIB (or CVIB=1). Not sure if
it's my method or the headset at this stage, so advice
appreciated.


Marcus.

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