On Thu, Apr 09, 2009 at 09:46:43AM -0700, karim wrote: > Hi, > I am trying to use the dqpsk modulator block to modulate some data and > then take the output and separate it to real and imag. This is the code, > it runs but the sinks are empty and have no data. What am I doing wrong?
You're printing the contents of the vector sinks in your initialization code, before the graph has started running. Try printing their contents after my_top_block().run() returns. Eric > I also get this when I run it: > >>> gr_fir_ccf: using SSE > What does it mean? It means that the FIR block is using hand coded SSE instead of the "generic" c++ implementation. > My code is below. > Cheers, > Karim > > #no GUI > #source: stream from file_source > #connect with DQPSK: input: byte stream, output:complex > #change it to 2 parts:imagine and Real > #connect with gr.complex_to_real or gr.complex_to_imag > #display data in sink1 (real) and sink2 (imag) > > class my_top_block(gr.top_block): > > def __init__(self): > gr.top_block.__init__(self) > > src_data = (1,0,1,0,1,0,1,0) > src = gr.vector_source_b (src_data) > > #input: unsigned char, output: complex > qpsk = blks2.dqpsk_mod(2,.35,True, False, False) > self.connect (src,qpsk) > > real = gr.complex_to_real() > imag = gr.complex_to_imag() > self.connect(qpsk,real) > self.connect(qpsk,imag) > > sink1 = gr.vector_sink_f() > sink2 = gr.vector_sink_f() > > self.connect(real,sink1) > self.connect(imag,sink2) > > print "Data in sink1 is: ",sink1.data() > > print "Data in sink2 is: ",sink2.data() > > > if __name__ == '__main__': > try: > my_top_block().run() > except KeyboardInterrupt: > pass _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
