Hi Sathish:
On Wed, Aug 21, 2013 at 11:08 AM, Sathish Narasimman
<sathish.n@xxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> I am reading core spec 4.0.
> GATT Features regarding Primary Service Discovery in page: 1911
>
> "GATT service discovery over BR/EDR transport will list services that only
> run
> over an LE transport and therefore only SDP service discovery shall be used
> on BR/EDR."
>
> Though SDP Service Discovery is able to get all the related service
> information. What is the use of
> GATT Service Discovery which gives only LE Information on BR/EDR Controller.
SDP record will not provide information related to characteristics and
descriptors.
For BR/EDR, GATT procedures are still required to discover, read and
write characteristics.
Below is an example of a SDP record for GATT based services:
Service Name: Generic Access Profile
Service Provider: BlueZ
Service RecHandle: 0x10001
Service Class ID List:
"" (0x1800)
Protocol Descriptor List:
"L2CAP" (0x0100)
PSM: 31
"ATT" (0x0007)
uint16: 0x1
uint16: 0x5
BR,
Claudio
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