Hi Mobi, Thanks for your response.
Actually, while waiting for an answer yesterday, I did exactly as you suggested as a trial and it worked beautifully. I was coming back online just now to let Gnuradio Community know I had solved my problem when I saw your response. Thank you very much! Regards, George On Wed, Mar 16, 2022 at 12:01 AM Mobi Zaman <mobi...@yahoo.com> wrote: > > Hi, George, > > Let me refer you to existing code that uses vector inputs. I haven't done > this myself before but I think this can help you. > > 1. There is a Chunks to Symbols > <https://wiki.gnuradio.org/index.php/Chunks_to_Symbols> block in GNU > Radio that has a complex vector input for the paramter of Symbol Table. If > you check its c++ source code > <https://github.com/gnuradio/gnuradio/blob/main/gr-digital/lib/chunks_to_symbols_impl.cc>, > you can clearly see the format in which it handles that parameter. So based > on that, you could use this for declaring the parameter: > > std::vector<float>& coeffs > > > 2. As for the yml file, here > <https://github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/digital_chunks_to_symbols.block.yml> > is the corresponding yml file of Chunks to Symbols, Based on that, you > could use the following in the yml file: > > dtype: float_vector > > > I hope that this helps. > > Regards, > Mubashira Zaman > > > > > > > > > > > > On Tuesday, March 15, 2022, 08:50:50 PM GMT+5, George Edwards < > gedwards....@gmail.com> wrote: > > > Hello GNURadio Community, > > I am making a Gnuradio C++ OOT block using the gr_modtool. At the start > of a design gr_modtool provides a template for the user to fill out. One > of the items to fill out is parameters used. I have a parameter (let's > call if coeffs) that is not a single floating point value, but is an array > of floating point values. My questions in filling out this template is: > > Q1. Should I declare the parameter as std::vector <float> coeffs or > simply float coeffs? > > Q2. In the yml file where one fills in parameters (the suggestion > parameter data types are: int, float, complex, xxx_vector, etc.) should I > fill in data type as: float_vector (replace the xxx before vector with > the prefix float)? > > Thanks very much for your answer. > > George >
