Hi Sumit, I don't see where `ios` is being declared constantly and/or statically before line 31? Does that happen in the header?
Best regards, Marcus On Sat, 2018-04-28 at 16:51 +0200, Sumit Kumar wrote: > Hi, > In order to look for correct usage of gr::io_signature::makev, I > checked this example https://github.com/gnuradio/gnuradio/blob/master > /gr-digital/lib/fll_band_edge_cc_impl.cc > and found > static int ios[] = {sizeof(gr_complex), sizeof(gr_complex), > sizeof(gr_complex), sizeof(float)}; > static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int)); > and then use as io_signature::makev(1, 4, iosig)) > Basically I have to use it in sync_short.cc from gr-ieee 80211 in > order to create more inputs. > But if I use the above two lines inside the class i.e. > sync_short_impl, I get lots of error. I have attached the file for > reference. Could you please suggest me correct usage. I can give more > information if needed. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ~~~~~~~ > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc:31:84: error: > in-class initialization of static data member ‘int > sync_short_impl::ios []’ of incomplete type > tic int ios[] = {sizeof(gr_complex), sizeof(float), sizeof(float), > sizeof(float)}; > > ^ > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc:32:31: error: > ‘ios’ is not a type > static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int)); > ^ > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc:32:36: error: > ‘ios’ is not a type > static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int)); > ^ > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc:32:39: error: > expected ‘,’ or ‘...’ before ‘+’ token > static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int)); > ^ > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc: In > constructor ‘sync_short_impl::sync_short_impl(double, unsigned int, > bool, bool)’: > /home/john/myprefix/src/gr-ieee-80211/lib/sync_short.cc:35:39: error: > no matching function for call to ‘gr::io_signature::makev(int, int, > std::vector<int> (&)(int, int))’ > gr::io_signature::makev(4, 4, iosig), > ^ > In file included from > /home/john/myprefix/include/gnuradio/basic_block.h:30:0, > from > /home/john/myprefix/include/gnuradio/block.h:27, > from /home/john/myprefix/src/gr-ieee- > 80211/include/ieee802-11/sync_short.h:21, > from /home/john/myprefix/src/gr-ieee- > 80211/lib/sync_short.cc:17: > /home/john/myprefix/include/gnuradio/io_signature.h:100:17: note: > candidate: static gr::io_signature::sptr gr::io_signature::makev(int, > int, const std::vector<int>&) > static sptr makev(int min_streams, int max_streams, > ^ > /home/john/myprefix/include/gnuradio/io_signature.h:100:17: note: > no known conversion for argument 3 from ‘std::vector<int>(int, int)’ > to ‘const std::vector<int>&’ > lib/CMakeFiles/gnuradio-ieee802_11.dir/build.make:584: recipe for > target 'lib/CMakeFiles/gnuradio-ieee802_11.dir/sync_short.cc.o' > failed > make[2]: *** [lib/CMakeFiles/gnuradio-ieee802_11.dir/sync_short.cc.o] > Error 1 > CMakeFiles/Makefile2:200: recipe for target 'lib/CMakeFiles/gnuradio- > ieee802_11.dir/all' failed > make[1]: *** [lib/CMakeFiles/gnuradio-ieee802_11.dir/all] Error 2 > Makefile:138: recipe for target 'all' failed > make: *** [all] Error 2 > _______________________________________________ > 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
