Hi Sumit, You have given no of input streams as 2 but mentioned size of item for only one. This may be the source of the error. Try correcting it and let us know.
Regards, Sakthivel On Fri, Jan 12, 2018 at 10:37 PM, sumit kumar <[email protected]> wrote: > Hi, > > I am trying to use *gr::io_signature::makev* for my output signature in > my bar_impl.cc > > bar_impl::bar_impl(int offset, int freq) > : gr::block("bar", > gr::io_signature::make(2, 2, sizeof(gr_complex)), > * gr::io_signature::makev(4, 4, out_vect))* > > For that in the header I did following in the header bar_impl.h > > *const std::vector<int> out_vect = {sizeof(gr_complex), > sizeof(gr_complex), sizeof(float), sizeof(float)};* > > It compiles but when I do gr_modtool makexml, it throws this error > > john@john-Precision-5510:~/nuradio/src/gr-fist$ gr_modtool makexml bar > GNU Radio module name identified: fist > Warning: This is an experimental feature. Don't expect any magic. > Searching for matching files in lib/: > Making GRC bindings for lib/bar_impl.cc... > tbi > Error: Can't parse output signature. > Traceback (most recent call last): > File "/home/john/nuradio/bin/gr_modtool", line 46, in <module> > main() > File "/home/john/nuradio/bin/gr_modtool", line 38, in main > modtool.run() > File "/home/john/nuradio/lib/python2.7/dist-packages/ > gnuradio/modtool/modtool_makexml.py", line 76, in run > self._make_grc_xml_from_block_data(params, iosig, blockname) > File "/home/john/nuradio/lib/python2.7/dist-packages/ > gnuradio/modtool/modtool_makexml.py", line 100, in > _make_grc_xml_from_block_data > if iosig[inout]['max_ports'] == '-1': > KeyError: 'out' > > Need some help :) > > -- > Sumit Kumar > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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