On Wed, Apr 11, 2012 at 3:29 PM, Samuel Ibarra <[email protected]> wrote: > Hello Ben, > > Thank you for your help. I was able to get the result I wanted with the line > of code you suggested. I was changing d_constellation[0] = gr_complex(-1,0) > to d_constellation[0]= gr_complex(0,0). In order to demodulate my signal, I > should be able to make the same change in the demodulator part of the code, > correct?
Yes. On the off chance that you decide you want to edit the digital_constellation.cc file (rather than using the generic constellation_calcdist) make sure that you also edit the decision_maker method. > Thank you very much for your help and time. > > Thanks > Sam > > On Tue, Apr 10, 2012 at 7:09 PM, Ben Reynwar <[email protected]> wrote: >> >> Hi Sam, >> >> In bpsk.py you'll see the line >> >> constellation = digital_swig.constellation_bpsk() >> >> If you change this to: >> >> constellation = digital.constellation_calcdist((1+0i, 0+0i), [], 1, 1) >> >> , you should get the change in modulation you want. >> >> You only need to mess with the digital_constellation.cc file if you >> want to implement an efficient non-generic >> decision maker for this modulation. >> >> To know why what you're doing isn't working, I'd need to know what >> modifications you're making to the .cc file. It sounds like you're >> doing everything right. >> >> Cheers, >> Ben >> >> On Tue, Apr 10, 2012 at 11:34 AM, sibar002 <[email protected]> wrote: >> > >> > Hello, >> > >> > I am attempting to modify the bpsk.py file in order to obtain OOK >> > modulation. I would like to change my constellation points to 1+0i and >> > 0+0i. >> > I understand that the digital_costellation.cc file is being used to set >> > these parameters. I have tried to modify the digitial_constellation.cc >> > file >> > in the gr-digital folder, but I am not able to see any changes. I have >> > made >> > sure that I make and make install every time I change the file. I was >> > hoping >> > someone could tell me what I am doing wrong. I would greatly appreciate >> > any >> > help or advice that anyone could give me. Thank you for your time and >> > help. >> > >> > Sam >> > >> > -- >> > View this message in context: >> > http://old.nabble.com/Modifying-C%2B%2B-Files-tp33663518p33663518.html >> > Sent from the GnuRadio mailing list archive at Nabble.com. >> > >> > >> > _______________________________________________ >> > Discuss-gnuradio mailing list >> > [email protected] >> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
