git.gag.com Git - debian/gnuradio/blob - gr-qtgui/src/python/qttest_c.py

   1 #!/usr/bin/env python
   2
   3 from gnuradio import gr
   4 from gnuradio.qtgui import qtgui
   5
   6 class my_top_block(gr.top_block):
   7     def __init__(self):
   8         gr.top_block.__init__(self)
   9
  10         Rs = 8000
  11         f1 = 1000
  12         f2 = 2000
  13
  14         fftsize = 2048
  15
  16         src1 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0)
  17         src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0)
  18         src  = gr.add_cc()
  19         thr = gr.throttle(gr.sizeof_gr_complex, 20*fftsize)
  20         self.snk1 = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, -Rs/2, Rs/2)
  21         self.snk2 = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, -Rs/2, Rs/2)
  22
  23         self.connect(src1, (src,0))
  24         self.connect(src2, (src,1))
  25         self.connect(src,  thr, self.snk1)
  26         self.connect(src1, self.snk2)
  27
  28         self.snk1.initialize()
  29         qapp = self.snk1.get_qapplication()
  30         self.snk2.initialize(qapp)
  31
  32 if __name__ == "__main__":
  33     tb = my_top_block();
  34     tb.start()
  35     tb.snk1.start_app();
  36     #tb.wait();
  37