Re: [Discuss-gnuradio] Packet Header Generator

[Martin Braun]

On 11/14/2014 10:49 PM, Tom Rondeau wrote:
>     I assume that an appropriate "formatter object" can
>     be submitted to this block to instruct it to build an
>     arbitrary header, but I'm having difficulty finding
>     any documentation or example of using a formatter object.
>     All I found points to the packet_header_default::header___formatter
>     method, which composes a fixed format that is of no use to me.
> 
>     Any help point me in the right direction?  Am I just missing
>     it or is there no "generic" header formatter capability?
> 
> Funny enough, I was just working on this today. I'm adding a similar
> packet header generator for async (PDU-based) packets. The concept is
> similar with a default base class that you'd overload for your own
> purposes for packet formatting. I'll be documenting this behavior more
> in the blocks themselves, and this should eventually become the basis
> for another level of our tutorials.
> 
> I have it working here in simulation, but I know there's going to be
> some trouble going over the air. I suspect I'll have something that's is
> worth sharing and reasonably documented early next week.

Ed,

if you check out the OFDM code, is uses its own custom packet header
generator. Follow those examples to see how it's done (or wait until Tom
has his stuff ready).

Cheers,
M