[Bluez-devel] Keeping keyboards alive

[Bluez-devel] Keeping keyboards alive

[Bernard Mentink]

Hi All,

I have been using my Apple Bluetooth keyboard sucessfully for some weeks =
now with the stack and am very happy with it.

My only niggle is the lack of support for regular polling of the =
keyboard to keep it awake.
(The keyboard goes into deep sleep after about 10mins of inactivity, I =
then have to cycle the power to reconnect)

Is it possible to give an option to hcid, to give the user the ability =
to keep their keyboard alive?

Keep up the good work,

Cheers,
Bernard Mentink



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Re: [Bluez-devel] Keeping keyboards alive

[Marcel Holtmann]

Hi Bernard,

> I have been using my Apple Bluetooth keyboard sucessfully for some weeks now with the stack and am very happy with it.
> 
> My only niggle is the lack of support for regular polling of the keyboard to keep it awake.
> (The keyboard goes into deep sleep after about 10mins of inactivity, I then have to cycle the power to reconnect)

there is a similar problem with the Microsoft devices, but I thought I
fixed it. Keeping the device connected is bad for battery. For example
my Apple mouse never disconnects. My only missing Bluetooth HID device
is the Apple keyboard and so I think that I can't tell you anything
useful.

Regards

Marcel




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RE: [Bluez-devel] Keeping keyboards alive

[Marcel Holtmann]

Hi Bernard,

> Thanks for the reply. In my situation battery drain is not a concern. I am using the keyboard in a PVR situation, i.e I have
> a MythTV linux box in the lounge and I use the keyboard when I am surfing the net, typically I would turn the keyboard on and use
> it for an hour, having it turn off after 10 mins inactivity is only a slight niggle, not really a problem. Just thought that maybe a polling
> parameter could be passed to bthid for those situations...
> 
> (I'd offer the use of my keyboard ... but I'm in New Zealand ;-)

for the Microsoft HID devices I fixed it in my new kernel HIDP code. But
without physical access to the Apple keyboard I can't tell you what's
wrong.

Maybe you should look at the old bthid code from Peter Klausler. I think
it has some polling code.

> By the way, I have cobbed together a startup script which I have in run-level-5 to get everything going on powerup, so that I can just turn
> on the keyboard and connect. However, sometimes it does not boot up all the time .... do you have an example of a script that you use?

I have nothing special.

Regards

Marcel




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