Thank you Marcus,
I try the following:
MessageStrobe("Hello World") ----> HDCL framer ---->HDLC deframer ----> Message
Debug
and I get the following error message:thread[thread-per-block[2]: <block
hdlc_framer_pb (1)>]: pmt_car: wrong_type : Hello World!
What did I do wrong?
Daniel
On Wednesday, December 3, 2014 10:55 AM, Marcus Müller
<[email protected]> wrote:
Hi Daniel,
PMT is short for "polymorphic type" [1].
GNU Radio uses PMTs for stream tags and, more importantly here, for
asynchronous message ports.
So the idea is that you have a source of messages[2], sending your
data to the HDLC framer, which frames it and generates output items.
If you want some illustrated guide through these concept, I'd
recommend the new guided tutorials on gnuradio.org[3] numbers 1 through 5.
Greetings, and happy hacking,
Marcus
[1] http://gnuradio.org/doc/doxygen/page_pmt.html
[2] http://gnuradio.org/doc/doxygen/page_msg_passing.html
[3] http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorials
On 12/02/2014 10:47 AM, Daniel Batista wrote:
> Hi, I read in the documentation that HDLC framer takes in PMT
> binary blobs and outputs HDLC frames as unpacked bits.I don't
> undestand what are the PMT binary blobs.How can I put in an HDLC
> frame a "Hello World" message? ThanksDaniel
>
>
>
>
> _______________________________________________ Discuss-gnuradio
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