Ah, yes. Rather on the obscure side (payload data doesn't always start at 2), but there it is.
Thanks, Bill ------------------------- Bill Leal Computer Science and Engineering The Ohio State University 395 Dreese Laboratories 2015 Neil Avenue Columbus, OH 43210-1277 Fax: +1-815-301-8202 > -----Original Message----- > From: Ben Buckner [mailto:[EMAIL PROTECTED] > Sent: Monday, April 23, 2007 5:36 PM > To: [email protected]; [EMAIL PROTECTED] > Subject: RE: [Tinyos-help] tmote message format > > Bill- > > >From the legendary Octavetech protocol document that you linked: > > "P_PACKET_ACK (0x41) - User packet. ACK required. Includes a prefix byte. > Receiver must send a P_ACK response with prefix byte as contents." > > Regards, > Ben B. > > > Date: Mon, 23 Apr 2007 13:55:54 -0400 > > From: "Bill Leal" <[EMAIL PROTECTED]> > > Subject: [Tinyos-help] tmote message format > > To: <[email protected]> > > Message-ID: <[EMAIL PROTECTED]> > > Content-Type: text/plain; charset="us-ascii" > > > > I'm trying to understand the packet format of a PC app that interacts > with > a > > tmote; the format for messages to the tmote seem to contain an > additional > byte. > [...] > > I think the address (FF FF) should begin with the 9th byte but it is the > > 10th. What puzzles me is the 4th byte (1C); why is it there? This is > > different than the packet format I'm getting from the mote: > [...] > > I note that the message type to the mote is ack-requested (41), which > > perhaps accounts for the extra byte. But I haven't been able to locate > any > > doc on that. > _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
