Re: [Discuss-gnuradio] Different input/output rate

[Eric Blossom]

On Mon, Jul 21, 2008 at 06:04:54AM -0700, irene159 wrote:
> 
> I am trying to extract data from a Turbo Code signal. My block’s input is the
> signal with synchro sequences between frames. The block processes this input
> in order to drop FEC bytes and send only useful data on the ouput. The
> problem is I need a complete frame to process data correctly so any
> incomplete frame at the start or end of the capture is to be ignored. I
> don’t know how to handle this when implementing the forecast method.

First off, do you know how to locate the beginning of the header in
your data?  Does the header include the length of the frame?
You'll need some kind of state machine...

Have you looked at how we handle this in
gnuradio-core/src/python/gnuradio/blks2impl/pkt.py in the demod_pkts
class?

Eric