the point is that if the print is not appearing, then the callback isn't working as you expect. You should really make sure to use the right variable names. You're not really sharing all the interesting information; it's a bit hard to figure this out in what's becoming a dialogue. I'd like to ask you to read http://gnuradio.org/redmine/projects/gnuradio/wiki/ReportingErrors
Best regards, Marcus On 04/27/2015 09:54 PM, fanatic wrote: > the callback is on the .xml file from the grc folder, the parameters are > changing but the waveform is not updating. > on the other hand, all my custom blocks i get "AttributeError: > 'top_block_sptr' object has no attribute 'top_layout'". > > it was working all along but I just got that recently, I searched the forum > I havent found where there is a solution to this :( > > > > -- > View this message in context: > http://gnuradio.4.n7.nabble.com/python-Hier-block-using-callback-tp53486p53501.html > Sent from the GnuRadio mailing list archive at Nabble.com. > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
