Two reasons. First, that random generator is only ever going to generate one PDU, and it's not going all the way through the deframer for some reason. I think the deframer is asking for more samples than the framer ever ends up generating. Try a Message Strobe - Random Delay block, with the message set to:
pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(4, [0xAA]*4)) Second, the deframer length fields include the HDLC CRC. They probably shouldn't, in hindsight, but increase the max length to 6 and it'll work. --n On Fri, Jan 30, 2015 at 1:21 PM, Thanasis Balafoutis <[email protected]> wrote: > Hi, > I want to run a simple frame-deframe hdlc example. > In the attached flow-graph the framed packet is printed through the > "message debug" block. Why I do not receive any message in the output of > the deframer? > > Thank you > Thanasis > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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