[Tinyos-devel] TelosB as base station?

[Philip Levis]

On Jul 5, 2007, at 5:58 AM, Matt Welsh wrote:

> Hi folks,
>
> We have been having continued problems with using a TelosB mote as a
> base station and I'm wondering if there's something we're doing wrong.
> Basically, using BaseStationCC2420 on a TelosB along with the C-based
> serialforwarder is just incredibly unstable. It seems to hang after
> bursts of packets and we usually have to restart the base station  
> mote.
> (The code in support/sdk/c/serialsource.c also prints the quite useful
> error message 'foo' - apparently when no data is available on the  
> serial
> port - we commented that out long ago.)
>
> Not sure if this is a problem with the TelosB, the sf, or both. I
> remember having similar problems with TinyOS 1.x and am somewhat
> surprised this hasn't been resolved in 2.x - or maybe it has and we
> don't know the fix?
>
> We do find that MicaZ motes are very stable as base stations (running
> for weeks at a time without any hang).

Two simple questions:

1) Does stability increase if you lower the telos speed to 57600?
2) Does stability increase if you use the Java serial forwarder?

Phil