could someone explain the use of service uuid AD type in Bluetooth low energy ??

[Winfred LU]

Based on its value, it specify the type of the followed advertising data.

For example, 0x16 means the advertising data a complete list of 16-bit service class uuids.

[stiger]

why we include service uuid AD type in advertising packet ??

[Winfred LU]

We do so when needed.

For example, when we intend to advertise the services that we are offering.

[stiger]

what is the advantage of including serivce uuid AD type in advertising packet at scan device side ?

I've been reading about it, and the only answer I found is " this is used to include a complete list or incomplete list of service class uuids of 16-bit, 32-bit or 128-bit "and how to include this in advertising packet. this can be include in advertising packet using the API

aci_gap_update_adv_data(uint8_t AdvDataLen,

                   uint8_t AdvData[]);

AdvDataLen = 4;

AdvData[] = { 0x03(length), 0x03(AD type), 0x09,0x18(uuid)};

but my question is still same, what is the advantage of including serivce uuid AD types in adversting packet ??

[Winfred LU · Accepted solution]

One of the simple advantages would be

others will not have to connect to the device in order to know what services it provides.