the file sink is probably not flushing to disk (common issue).
Try using a head block and the run to completion option and see what happens. Upon completion, the file sink destructor will flush.
-Josh On 05/31/2010 02:57 PM, Sammour wrote:
Hello guys, As my first gnuradio block, I have built a block to multiply two complex numbers using MATLAB library. I compiled my block and wrote a python programme to test it and everything went very nicely. I used this c++ statement in the general_work method to see the output of the block: std::cout<< out[i]<< std::endl; and indeed I can see the complex product for my inputs. However, when I install my block in GRC, I connect the output to a file sink that stores nothing! I also tried to plot the magnitude of the complex output and nothing shows. The surprising part is that the output values of the above c++ statement are printed in the output area in GRC and this means that my c++ code is actually invoked. I wonder if this has to do with library linking or not. Any suggestions?? Thanks a lot! Sam
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