You can use pdu_utils to turn a binary stream into a bunch of PDUs: https://github.com/sandialabs/gr-pdu_utils
Kyle Logue Digital Communications Implementation Division The Aerospace Corporation ________________________________ From: Discuss-gnuradio <[email protected]> on behalf of Eamon Heaney <[email protected]> Sent: Friday, November 1, 2019 08:45 To: discuss-gnuradio <[email protected]> Subject: Re: [Discuss-gnuradio] How to convert a binary file input to a PMT? Bumping this, still can't figure out how to turn a binary file source into a PDU that I can transmit. Any advice would be appreciated. On Tue, Oct 29, 2019, 12:59 PM Eamon Heaney <[email protected]<mailto:[email protected]>> wrote: Attempting to transmit a wifi packet with gr-ieee802.11. I'm reading in the payload binary from a file source. The output of the file source block is a gr_stream. But the Wifi MAC block requires a gr_message input, which I gather to be in PMT format. How can I turn my payload into something that the Wifi MAC block can understand? My current attempt, below, runs it through a stream-to-tagged-stream block and then a tagged-stream-to-PDU block, which feeds into a message strobe. This generates a flowchart fine but segfaults ~3 seconds into execution, so I must be doing something terribly wrong. [wifi_file_tx-help_me.png] Thanks! -- Eamon Heaney Fleet Commander President, Model UN at Virginia Tech
