This is a bug. In file gr-digital/grc/digital_qa_demod.xml the line gray_coded = $gray_coded should be changed to mod_code = $mod_code
On Wed, Jun 13, 2012 at 7:56 AM, jiajue ou <azalea.a...@yahoo.com.cn> wrote: > Hi all, > > I’m using GRC and the simple flow graph(1) at receiver is as follows: > > Usrp source---->qam demod---->file sink > > > > It works fine at first. However, when I tried to execute another similar > flow graph(2) that was built before UPDATING GNURADIO from 3.5.0 to 3.6.0. > an error occurs: > > > > Generating:”/home/azalea/exp/top_block.py” > > > > executing:”/home/azalea/exp/top_block.py” > > > > File :”/home/azalea/exp/top_block.py”, line 79 > > Self.digital_qam_demod_0=-----------> > > > > Syntax error: invalid syntax > > (I looked up the python file, line 79 and line 80 are: > > Self.digital_qam_demod_0=-----------> > > Cannot find ‘gray_coded’: digital.qam.qam_demod( > > ) > > Then, I return to the mentioned flow graph(1), same error again. > > I also tried to start a new flow graph or make/make install gnuradio, but in > vain. > > I’m just confused. The flow graph(1) worked well even after updating > gnuradio. After that and before the error I didn’t remove or modify any > module in gnuradio. > > Thanks a lot! > > > > Best, > > Jia > > > > > > > _______________________________________________ > 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
