Re: [Discuss-gnuradio] Generating a preamble for an AX.25 Packet (HDLC Framer)

I believe you want to use event_stream

@(^.^)@ Ed
Sent from my iPhone

> On Jul 27, 2019, at 1:08 PM, Ido Bronfeld <idobronfeld@gmail.com> wrote:
>
> Hi everyone! I am trying to generate an AX.25 Packet with the HDLC Framer, my issue is generating the preamble per the AX.25 spec (Repeating flags - 0x7e)
>
> My previous setup was using a custom HDLC Framer block that generates the preamble, and I am now trying to accomplish this task using "vanilla" Gnu Radio blocks.
>
> I tried using the Vector Source with the Tagged Stream Mux, but that does not seem to work, I might not be doing it correctly.
>
> I will include an image of my flowgraph, with the parameters.
>
> Thanks,
> Ido Bronfeld
> Herzliya Space Laboratory
> <tagged_stream_mux.png>
> <flowgraph.png>
> <vector_source.png>
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