Hi Johan, >-----Original Message----- >From: Johan Hedberg [mailto:johan.hedberg@xxxxxxxxx] >Sent: Wednesday, May 14, 2014 1:26 PM >To: Vikrampal >Cc: linux-bluetooth@xxxxxxxxxxxxxxx; Dmitry Kasatkin; bharat.panda@xxxxxxxxxxx; p.sinha@xxxxxxxxxxx; cpgs@xxxxxxxxxxx >Subject: Re: Add SDP discovery support to gatttool with BR > >Hi Vikram, > >On Thu, May 08, 2014, Vikrampal wrote: >> I am new to BlueZ community. I'd like to contribute to BlueZ >> community. I went through BlueZ's TODO items. >> To get started, I have selected adding SDP discovery support to >> gatttool with BR as my first work. >> >> - Add sdp discovery support to gatttool with BR (--sdp, default is >> 0x1f) > >Not sure what exactly you mean here. ATT over BR/EDR uses a fixed PSM so separate discovery of this is not necessary. The core spec says: > >"The use of a fixed PSM allows rapid reconnection of the L2CAP channel for Attribute Protocol as a preliminary SDP query is not required." > >Based on git blame this item was added 5th Oct 2010, i.e. in the very early days of the LE specification. I suspect that there might have been some confusion regarding >the ATT PSM back then. While this kind of PSM discovery it's not completely pointless, we don't do it for any other fixed PSM profiles either (e.g. A2DP & AVRCP) so I >think it's better to spend time on more valuable tasks instead. > >I've now removed the ATT PSM related items from the TODO file (which btw could use much more cleanups in general). > >Johan Thanks for your kind advice. Could you please suggest me as to which all topics are of more value currently so that I may pick up one of them as my maiden contribution. Regards, Vikram -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
