Hi, What version of TinyOS that you use ?
I've done the same thing in T2.0.1, and it worked fine. Here's how I test it : 1) Put node 0 and node 2 out of range 2) Put node 1 in the middle (in range for node 0 and node 2) 3) Test multihop by turn on/off node 1 The problem with your test method is that it takes time for node 2 to find the root node (to join the network). If you move it rapidly, node 2 won't be able to join the network. Hope that helps. Regards, -daniel -------- Original Message -------- > From: Ákos Maróy <[EMAIL PROTECTED]> > Sent: Monday, August 27, 2007 6:30 PM > To: [email protected] > Subject: [Tinyos-help] unsuccesful attempt at mesh networking > (MultihopOscillator) > > Yesterday I tried made a little test on mesh networking, how it works, > what the ranges are, etc. I basically used the MultihopOscillator sample > for this, as I understand that uses the Collection feature (TEP 119) > > I had a very minimalistic setup: > > mote 0 - the 'base station', connected to my laptop via USB > mote 1 & mote 2 - two sensor motes > > the setup I tried to achieve was that I'd measure the wireless range of > a mote, and then make it so that mote 0 and 1 are within range, mote 1 > and 2 are also in range, but mote 0 and 2 are not: > > |--------range---------| > |--------range---------| > mote0 mote1 mote2 > > > the rationale is that this way, the mesh-networking feature has to kick > in, and mote2 should send readings to mote0 via mote1 > > unfortunately, this is not what happened. as I moved mote2 out of range > from mote0, basically mote0 readings were not received anymore. when > looking at it, mote2 started to show error (the red led started to turn > on, and MultihopOscilliscope is written in the way that this signals an > error) > > > was my assumption bad? is this not the way things should work? am I > missing something? > > > Akos _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
