Re: [Discuss-gnuradio] IEEE 802.15.4 Physical Layer Block

[Eric Blossom]

On Tue, Jun 20, 2006 at 10:29:33AM -0700, Thomas Schmid wrote:
> Hi Everyone,
> 
> Over the last couple of months I developed a IEEE 802.15.4 physical
> layer block. It is capable of receiving and transmitting to IEEE
> 802.15.4 compliant hardware. The block implements the physical layer,
> i.e., it can en- and decode the messages. The block itself does not
> comply with IEEE 802.15.4 because the timing constraints are just too
> small to achieve right now.
> 
> Some caveat:
> 
> - You need a fast computer. My P IV 2.8 GHz could barely keep up with
> the data flow.
> 
> - Right now, we need to send an additional 100 byte at the end of each
> message or else, the other side can not decode them. Still figuring
> out why that is.

Probably not padded out to a USB boundary.  See the kludge in packet_utils.py

> You can find the code here:
> https://acert.ir.bbn.com/projects/gr-ucla/
> 
> Please feel free to send me any comments and bug reports ;)
> 
> Cheers,