2015-05-04 11:23 GMT+02:00 Christoffer Holmstedt <christoffer.holmstedt@xxxxxxxxx>: > 2015-05-04 10:44 GMT+02:00 Alexander Aring <alex.aring@xxxxxxxxx>: >> Hi, >> >> On Mon, May 04, 2015 at 08:08:38AM +0200, Christoffer Holmstedt wrote: >>> Hi >>> I'm looking in to the first open task about missing enums. >>> >>> ### Is the latest standard from 2011? >>> Is the IEEE Std 802.15.4-2011 [1] the latest one to use? >>> >> >> yes. >> >>> How much attention should I pay to the more specific ones such as >>> 802.15.4(g) for smart metering utility networks or (p) for Rail >>> communication and control? (I assume these are more about "policy" and >>> perhaps not so much about the "mechanism" to be implemented in the >>> linux kernel but I could be wrong here). >>> >> >> I would say "yes" here too, but I asked this myself some time ago. maybe >> some other people can answer your question here. >> >> What I know is in case of at86rf2xx transceivers: >> >> at86rf230 is -2003 >> at86rf231 is -2006 >> at86rf233 is -2011 >> >> but you should follow the actual standard 2011, they have also some >> notes like: >> >> 5.2.1.1.7 Frame Version field >> >> "This field shall be set to 0x00 to indicate a frame compatible with >> 802.15.4-2003". >> >> Which we should lookup then in 2003 what's the different handling of this. >> >> >> For all others transceivers in the datasheet stands 2003, 2006 or 2011 >> standard. I never saw a transceiver which have some additional character >> which follows a 802.15.4(g) standard, but maybe they don't exists yet. >> ;-) And also we don't handle the 2003 standard right at the moment, e.g. >> check/create on frame version field. We also don't support the at86rf230 >> at the moment and this is maybe one reason, all others transceivers are >> hopefully -2006 or -2011. >> >> I also never tried to speak to a -2003 transceiver and I am not sure if >> this works correctly. I just noticed a discussion on the IETF 6tisch mailing list about versioning/referencing IEEE standards from 4 days ago. One post put some clarity for me on the world of 802.15.4 standards. Here it is: https://www.ietf.org/mail-archive/web/6tisch/current/msg03329.html Regards -- Christoffer Holmstedt -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
