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Hello Vijaykumar,
On Fri, Mar 16, 2012 at 3:44 AM, Vijaykumar Dadmode
<[email protected]> wrote:
> Hi,
>
>>>>> <[email protected]> wrote:
>>> > Hi Andre,
>>> >
>>> >>> Hi Vijay,
>>
>>>> Is this implementation public anywhere?
>>>
>>> No its not!
>>>
>
>>> Are you planning to make it public, or is it just an internal
>>> prototype or something like this?
>
> It was a internal prototype, yes I can submit the code if the design is approved.
>
If I understood correctly your design explanation, you are re-using
the HIDP module to pass the HID reports from the userspace to the
kernel. This is not the architecture we were discussing initially
(where we = indt and ti guys, with the bluetooth and input community),
because HIDP expect to deal with 2 dedicated L2CAP sockets, one for
control and the other for interruptions.
Could you explain better how do you extract HoG traffic from the LE
L2CAP socket and make it available to the HIDP module (supposing I've
understood your architecture correctly)?
--
João Paulo Rechi Vita
Openbossa Labs - INdT
Hi Vijay,
On Fri, Mar 16, 2012 at 3:44 AM, Vijaykumar Dadmode
<[email protected]> wrote:
> Hi,
>
>>>>> <[email protected]> wrote:
>>> > Hi Andre,
>>> >
>>> >>> Hi Vijay,
>>
>>>> Is this implementation public anywhere?
>>>
>>> No its not!
>>>
>
>>> Are you planning to make it public, or is it just an internal
>>> prototype or something like this?
>
> It was a internal prototype, yes I can submit the code if the design is approved.
There is a thread in the linux-input ML discussing how to provide HID
low level driver from the userspace. Subject is "User space raw hid
support".
The architecture that you are proposing is not aligned with it.
It is possible to continue the userspace development using gadget hid
(with some hacks) while the HoG/HID kernel is being defined.
We did experiments using real BLE keyboards. Let me know if you need
instructions to test it.
BR,
Claudio.
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Y29tL2Jsb2cK
On Thu, Mar 15, 2012 at 10:46 AM, Vijaykumar Dadmode
<[email protected]> wrote:
> Hi Andre,
>
>>> Hi Vijay,
>
>>> Is this implementation public anywhere?
>
> No its not!
>
Are you planning to make it public, or is it just an internal
prototype or something like this?
--
João Paulo Rechi Vita
Openbossa Labs - INdT
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YmxvZw0K
Hi Vijay,
Is this implementation public anywhere?
On Thu, Mar 15, 2012 at 6:47 AM, Vijaykumar Dadmode
<[email protected]> wrote:
>
> Hi,
>
>>> 3. HID Service - This service contains the main logic for the HOGP, and acts as a proxy between the remote device and the >> local HID subsystems.
>
> I had the HOG Device implemented/tested with the below design. Could you please let me know your opinion about the design?
>
>
> gnome BT mgr
> |
> |
> |
> v
> DBUS DBUS
> | ^
> | |
> | |(g_dbus_reg_intf)
> v (attio_cb) |
> device <----------> HIDoverGATTplugin
> ^(sock) ^ ^ ^ |
> | | | | |
> | (notify_buff)| | | |
> |----------------> GATTRIB | |
> | | |(ioctl(HIDPCONNADD, HIDP_SCANKEY))
> | (??outputreport | |
> | Notimplemented) | | US
> ----------------------------------------------------------------------------
> | | | KS
> | | |
> | | V
> v(sock) (sock)
> L2CAP HIDP<--------------->Input Subsystem
>
>
> Thanks,
> Vijay
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of Ganir, Chen
> Sent: Monday, March 12, 2012 11:32 AM
> To: Claudio Takahasi
> Cc: [email protected]
> Subject: RE: HID Over GATT implementation
>
> Claudio,
>
>> -----Original Message-----
>> From: Claudio Takahasi [mailto:[email protected]]
>> Sent: Monday, March 12, 2012 2:12 AM
>> To: Ganir, Chen
>> Cc: [email protected]
>> Subject: Re: HID Over GATT implementation
>>
>> Hi Chen Ganir,
>>
>> On Sun, Mar 11, 2012 at 9:54 AM, Ganir, Chen <[email protected]> wrote:
>> > Hi.
>> >
>> > I have started the development of the HOGP (HID Over GATT Protocol)
>> for the BlueZ Stack. The main idea of this adopted profile is to allow
>> HID devices to operate over the low energy technology.
>> >
>> > The HID Over GATT Profile includes the following services :
>> > 1. Battery Service - allows the host to gather and display
>> information regarding the peer device battery/batteries state.
>> > 2. Device Information Service - This service contains misc
>> identification data of a device. The HOGP will use the PNP ID field.
>>
>> Could you please explain how are you planning to share battery level
>> and PNP ID to HoG service?
>>
>> device.c can have function to get/set Battery Level and PNP ID. IMO,
>> only Battery Level could be exported in the Device interface(instead
>> of creating a new interface for Battery).
>>
> PNP ID (or any other DeviceInformation data) and Battery level will be part of the btd_device (later patch). Device will have functionality to get/set the information (get will be exposed externally, set will be for use by the plugins). No specific dbus API will be created for any of those plugins (no need to create an additional interface). Device Information is read once on connection, and when it is read, the plugin updates the btd_device with this information. All available information will be read. There is no need to re-read this during an ongoing connection. If we do see a reason to do that, we can add a dbus interface for it later.
>
> PNP ID is a complex data type. It contains 4 different elements, which will be exposed using a unique structure containing all those values.
>
> Battery information will be read once, and configured for notifications if possible (all done automatically upon connection). Battery level changes will be exposed using D-BUS event (PropertyChanged : BatteryLevel).
>
> Battery level is an integer number, in the range of 0-100. The battery level also has a format characteristic descriptor, which contains a unique namespace/description value which will be used to identify a specific battery, when there is more than one service available. This value will be part of the battery level structure list on the device, and I still need to figure out how to add it to the batterylevel dbus property (maybe append it to the property name, such as BatteryLevel(1) or something like this ?
>
>> BR,
>> Claudio
>
> Chen Ganir,
> Texas Instruments.
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