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Re: Re: [Discuss-gnuradio] FSK with TX-RX in ISM-band 433 Mhz

From: Eric Blossom
Subject: Re: Re: [Discuss-gnuradio] FSK with TX-RX in ISM-band 433 Mhz
Date: Wed, 22 Mar 2006 12:48:45 -0800
User-agent: Mutt/1.5.9i

On Wed, Mar 22, 2006 at 11:44:42AM -0800, Thomas Schmid wrote:
> Hi Luis,
> I have the code to decode mica2 motes. It is not perfect yet since I
> still use the correlator and I would like to move over to the gmsk way
> with proper synchronisation. But it works ;)
> In my case, the cc1k sends a synchronisation sequence of 0x999999 to
> which I synchronize the correlator. Then, I feed the found softsymbols
> into the sos_packet_sink. You have to note that I use SOS as an
> operating system on the mica2s. SOS adds a sync sequence just before
> the message starts (tinyos does the same). The sos_packet_sink then
> finds that sequence in the soft symbols which allows us to get byte
> synchronisation. Then, we can look at the packet header and read the
> whole message. Once parsed, the messages get added to a msg_queue.
> >From the message queue, they get to the registered callback.
> Thomas


Can we get this code into the GNU Radio repository?
It's sounds like it's of interest to many.


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