diff options
Diffstat (limited to 'gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py')
| -rwxr-xr-x | gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py b/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py index 72ebeccfa6..094ae4bcd0 100755 --- a/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py +++ b/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py @@ -28,12 +28,9 @@ from sounder_rx import sounder_rx n2s = eng_notation.num_to_str -class usrp_sounder_rx(gr.hier_block2): +class usrp_sounder_rx(gr.top_block): def __init__(self, options): - gr.hier_block2.__init__(self, "usrp_sounder_rx", - gr.io_signature(0,0,0), - gr.io_signature(0,0,0)) - + gr.top_block.__init__(self, "usrp_sounder_rx") self._options = options self._u = usrp_source_c(0, self._options.rx_subdev_spec, @@ -50,22 +47,14 @@ class usrp_sounder_rx(gr.hier_block2): samples = 100 * self._length**2 - self.define_component("usrp", self._u) - self.define_component("head", gr.head(gr.sizeof_gr_complex, samples)) - self.define_component("rx", self._receiver) - self.define_component("c2m", gr.complex_to_mag()) - self.define_component("s2v", gr.stream_to_vector(gr.sizeof_float, self._length)) - self.define_component("lpf", gr.single_pole_iir_filter_ff(self._options.alpha, self._length)) - self.define_component("v2s", gr.vector_to_stream(gr.sizeof_float, self._length)) - self.define_component("sink", gr.file_sink(gr.sizeof_float, "impulse.dat")) + head = gr.head(gr.sizeof_gr_complex, samples) + c2m = gr.complex_to_mag() + s2v = gr.stream_to_vector(gr.sizeof_float, self._length) + lpf = gr.single_pole_iir_filter_ff(self._options.alpha, self._length) + v2s = gr.vector_to_stream(gr.sizeof_float, self._length) + sink = gr.file_sink(gr.sizeof_float, "impulse.dat") - self.connect("usrp", 0, "head", 0) - self.connect("head", 0, "rx", 0) - self.connect("rx", 0, "c2m", 0) - self.connect("c2m", 0, "s2v", 0) - self.connect("s2v", 0, "lpf", 0) - self.connect("lpf", 0, "v2s", 0) - self.connect("v2s", 0, "sink", 0) + self.connect(self._u, head, self._receiver, c2m, s2v, lpf, v2s, sink) if self._options.verbose: print "Chip rate is", n2s(self._options.chip_rate), "chips/sec" |