[Discuss-gnuradio] Newbie: usage of PDU to Tagged Stream block

[Jorge Carpio]

Hi all,

I'm pretty new to GNU Radio, I followed the tutorials and made some simple flowgraphs to use with an USRP. Recently took a look at the gr-digital packet communication examples.

I'm having trouble figuring out the right way to use the PDU to Tagged Stream block. I connected a Random PDU Generator to the input of the block, expecting a tagged stream to be produced at the output. But I must have misunderstood something, because there is no way I can see the samples being produced in the tagged stream of bytes. I can only see the length tags in the output stream, but no trace of the PDU data. Not even when I try to write the stream to a file or to stdout.

Attached is the flowgraph I'm using.

Cheers,

Jorge

 

pdu2tagstream.grc
Description: application/gnuradio-grc