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Re: Message debug block
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From: |
Vasil Velichkov |
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Subject: |
Re: Message debug block |
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Date: |
Fri, 19 Nov 2021 12:30:28 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 |
Hi Marcin,
On 18/11/2021 15.23, Marcin Puchlik wrote:
> *pmt.cons(pmt.intern(""), pmt.make_u8vector(16, 0xFF)) - *where Debug
> block cannot extract the PDU - gr::log :WARN: message_debug0 - Non PDU type
> message received. Dropping.
Not every message is a PDU [1]. Have a look at is_pdu() in pmt.h [2] and read
the discussion in issue #4191 [3].
/*!
* Returns true if the object is a PDU meaning:
* the object is a pair
* the car is a dictionary type object (including an empty dict)
* the cdr is a uniform vector of any type
*/
PMT_API bool is_pdu(const pmt_t& obj);
[1] https://wiki.gnuradio.org/index.php/Message_Passing#PDUs
[2]
https://github.com/gnuradio/gnuradio/blob/maint-3.9/gnuradio-runtime/include/pmt/pmt.h#L707-L713
[3] https://github.com/gnuradio/gnuradio/issues/4191