Re: [Discuss-gnuradio] About Polymorphic types in gnuradio

[Gabriel Pechiarovich]

I'm using message strobe to send the data in the Message PMt parameter I used:

pmt.cons(pmt.make_dict(), pmt.make_u8vector(8,0x42 ))

then comes my block, and to read the output i'm using Message Debug block.

2016-01-06 10:55 GMT-05:00 Marcus Müller <address@hidden>:

Hi Gabriel,

do you know what kind of PMT VECT is? pmt_t is a container, and might contain a lot of different things.
Is it a pmt::vector, or a pmt::uniform_vector, or a list, or something else?

For an overview, I'd like to point you to the polymorphic types page in the GNU Radio manual [1].

Best regards,
Marcus

[1] https://gnuradio.org/doc/doxygen/page_pmt.html

On 06.01.2016 16:10, Gabriel Pechiarovich wrote:

Hi, I've been working in oot modules in gnuradio for a while, but recently I've been trying to program blocks who can handle messages.

I've extracted the input data and replicated it at the output, like this:

pmt::pmt_t META = pmt::car(PDU);

pmt::pmt_t VECT = pmt::cdr(PDU);

        std::cout << "Vect: " << VECT<< '\n';

message_port_pub(pmt::mp("out_pdu"), pmt::cons(META, VECT));

But I can't understand how to handle VECT, I want to change the VECT values; add some values, basicaly operate this VECT.

If anyone can help me I'll be gratefull.

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Gabriel Pechiarovich Salas

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Gabriel Pechiarovich Salas

Red Dragon Games

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