[Discuss-gnuradio] two channel configuration in GRC

Hi all, I'd like to have two simultaneously receiving channels in USRP1 with two WBX daughterboards. When I put one "USRP Source" block in GRC and set its "Subdev Spec" as "A:0 B:0" everything is OK. But I have no idea how to get it when there are two "USRP Source" blocks in GRC!? Setting "A:0" for

[Discuss-gnuradio] parameter types of hier blocks in GRC

hi all but Marcus, cause we've just greeted ;-) when making a hier block in GRC, why doesn't the parameters type transfer to the block? (they always get the 'raw' type!) thanks, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://list

[Discuss-gnuradio] "sample delay" in "Decimating FIR Filter" at GRC

hi all, I was wondering what the "Sample Delay" parameter in "Decimating FIR Filter" block in GRC does. Thanks in advance! regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] set_history() for multi-input blocks

Hi all, the question is this: when there is a multi-input (sync) block, if we put set_history(N) in the constructor, does it mean there are separate histories for each input port? thanks ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://l

[Discuss-gnuradio] installation problem with v3.7.12

Hi all, i use the following command to get the code: $ git clone --recursive https://github.com/gnuradio/gnuradio.git when i install from source ($mkdir build; cd build; cmake ../; make; sudo make install; sudo ldconfig) the installed version is v3.7.12 ($gnuradio-config-info --version) and i ha

[Discuss-gnuradio] data type colors not shown in GRC block parameters

Hi all, I wonder why the GRC data type colors in the block's parameters are not shown! All the entry places are just in white! I am running Debian 9 (stretch) with GNOME and I pulled the latest gnuradio (3.7.12) today and installed that. regards, Ali _

[Discuss-gnuradio] buffer allocation warnings

Hi everyone, My question is around the following message: "gr::buffer::allocate_buffer: warning: tried to allocate 728 items of size 90. Due to alignment requirements 2048 were allocated. If this isn't OK, consider padding your structure to a power-of-two bytes. On this platform, our

[Discuss-gnuradio] qa_polar_xxx and qa_zeromq_xxx failed in the make test!

Hi everyone, I have installed uhd_3_11_0 and gnuradio_3_7_10_1. Everything seems OK but these failed qa tests: 1 qa_polar_encoder 2 qa_polar_encoder_systematic 3 qa_polar_decoder_sc 4 qa_polar_decoder_sc_list 5 qa_polar_decoder_sc_systematic 6 qa_zeromq_pub 7 qa_zeromq_pubsub 8 qa_zeromq_pushpul

[Discuss-gnuradio] A question about the KEEP_M_IN_N block source code...

Dear Sir, I was wondering if we can use * "set_fixed_rate()"* in the source code of the block "keep_m_in_n" at its constructor instead of using * "int blks = std::min(noutput_items/d_m, ninput_items[0]/d_n);" * at the general_work ? Thanks a million in advance! Regards, Ali __

[Discuss-gnuradio] Python 2.x or 3.x, C++11 or 14 or what?

Hi everyone, I am a newbie in GNU Radio and trying to delve into it! I have decided on starting Python and C++ but I don't know which versions I should concentrate on! I searched a lot in the site but nothing! I would be grateful if you could possibly help me . sincerely yours! Ali