[Bluez-users] Interference between btsco and hidd

[Bluez-users] Interference between btsco and hidd

[Florian Echtler]

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Hello everyone, I've got a load of questions today:

1. While btsco works fine, I've just noticed that when it's running
   and a connection is established to my headset, my other Bluetooth
   devices (MS Optical Desktop) can't establish a connection by them-
   selves anymore. After keyboard or mouse go to sleep mode with 
   btsco running, they can only be reconnected with hidd --connect
   or by killing btsco first.. Has anyone got an idea how to fix this?

2. I had a look at the hcid source code, as I was thinking about
   implementing a little function to call some script when a
   connection request arrives. However, my understanding of BT
   is still limited, so can somebody give me a hint where to start?
   What kind of event is received when a connection request comes in?

3. Again concerning btsco: has anybody tried to disconnect the SCO
   channel while not in use? Maybe that would fix the problem with
   hidd, too..

Yours, Florian
- -- 
Preserve wildlife - pickle a squirrel today!
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Re: [Bluez-users] Interference between btsco and hidd

[Brad Midgley]

Florian

> 1. While btsco works fine, I've just noticed that when it's running
>    and a connection is established to my headset, my other Bluetooth
>    devices (MS Optical Desktop) can't establish a connection by them-
>    selves anymore. After keyboard or mouse go to sleep mode with 
>    btsco running, they can only be reconnected with hidd --connect
>    or by killing btsco first.. Has anyone got an idea how to fix this?

I remember Lars Grunewaldt bringing this up a while ago. Marcel told him 
something like changing how hidd runs? master? Anyway, check the 
bluez-devel (possibly bluez-users) list archives.

> 2. I had a look at the hcid source code, as I was thinking about
>    implementing a little function to call some script when a
>    connection request arrives. However, my understanding of BT
>    is still limited, so can somebody give me a hint where to start?
>    What kind of event is received when a connection request comes in?

Yes, it appears as an AT string on the command channel. See the way 
btsco examines AT strings.

> 3. Again concerning btsco: has anybody tried to disconnect the SCO
>    channel while not in use? Maybe that would fix the problem with
>    hidd, too..

Yes, we would all love it. As far as I know, no one has done it.

Brad


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