[Tinyos-help] MPR 420(mica2) mote building prob

Paul Piper big_pep at hotmail.com
Mon Mar 28 20:07:55 PST 2005


hi Im currently building a mote based on the berkeley mpr420(mica2). Now 
xbow has all the schematics for each individual part but not a full 
schematic connecting all parts together. Can you help? what connects the 
amtel chip to the radio chip?

thanks

>From: Vlasios Tsiatsis <tsiatsis at ee.ucla.edu>
>To: "Farzad H. Eskafi" <feskafi at gmail.com>
>CC: tinyos-help at Millennium.Berkeley.EDU
>Subject: Re: [Tinyos-help] virtual x y
>Date: Mon, 28 Mar 2005 15:23:11 -0800 (PST)
>
>The way we decided to do it on mica2 motes was the following. The same
>holds for a Telos mote i guess.
>
>We decided to send a broadcast packet with the following info:
>Node #1: (x1, y1)
>Node #2: (x2, y2)
>...
>Node #N: (xN, yN)
>
>The broadcast packet is intended to reach all the node in the network and
>each node extracts the coordinates according to its id. For example node
>#1 will set its virtual coordinates to (x1, y1). So you need a component
>say MyVirtualAddress{} that has an interface to get and set its virtual
>address and the broadcast packet handler sets the virtual node
>coordinates.
>
>Of course adding new nodes, or nodes crashing will
>cause nodes to have invalid virtual coordinate information. So you have to
>retransmit this broadcast packet.
>
>
>i hope this makes sense and helps,
>vlassis
>
>
>
>On Mon, 28 Mar 2005, Farzad H. Eskafi wrote:
>
> > Hi,
> >
> >    Anybody knows how I can assign a virtual x-y coordinate to each
> > telos rev. A mote? Is this even possible. It's ok if I have to
> > manually hardcode it into each mote.
> >
> > Thanks,
> > _______________________________________________
> > Tinyos-help mailing list
> > Tinyos-help at Millennium.Berkeley.EDU
> > http://mail.Millennium.Berkeley.EDU/mailman/listinfo/tinyos-help
> >
> >
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