diff options
Diffstat (limited to 'gr-sounder/src/python/sounder.py')
| -rw-r--r-- | gr-sounder/src/python/sounder.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gr-sounder/src/python/sounder.py b/gr-sounder/src/python/sounder.py index ce00e964d0..7a6157125e 100644 --- a/gr-sounder/src/python/sounder.py +++ b/gr-sounder/src/python/sounder.py @@ -76,10 +76,11 @@ class sounder_tx: self._u._write_fpga_reg(FR_AMPL, self._amplitude) class sounder_rx: - def __init__(self,subdev_spec=None,gain=None,length=1,msgq=None,loopback=False,verbose=False,debug=False): + def __init__(self,subdev_spec=None,gain=None,length=1,alpha=1.0,msgq=None,loopback=False,verbose=False,debug=False): self._subdev_spec = subdev_spec self._gain = gain self._length = length + self._alpha = alpha self._msgq = msgq self._loopback = loopback self._verbose = verbose @@ -101,8 +102,11 @@ class sounder_rx: print "Generating impulse vectors of length", self._length, "byte length", self._vblen self._s2v = gr.stream_to_vector(gr.sizeof_gr_complex, self._length) + if self._verbose: + print "Using smoothing alpha of", self._alpha + self._lpf = gr.single_pole_iir_filter_cc(self._alpha, self._length) self._sink = gr.message_sink(self._vblen, self._msgq, True) - self._fg.connect(self._u, self._s2v, self._sink) + self._fg.connect(self._u, self._s2v, self._lpf, self._sink) def tune(self, frequency): if self._verbose: @@ -145,7 +149,7 @@ class sounder_rx: class sounder: def __init__(self,transmit=False,receive=False,loopback=False,rx_subdev_spec=None,ampl=0x1FFF, - frequency=0.0,rx_gain=None,degree=12,length=1,msgq=None,verbose=False,debug=False): + frequency=0.0,rx_gain=None,degree=12,length=1,alpha=1.0,msgq=None,verbose=False,debug=False): self._transmit = transmit self._receive = receive self._loopback = loopback @@ -155,6 +159,7 @@ class sounder: self._rx_gain = rx_gain self._degree = degree self._length = length + self._alpha = alpha self._msgq = msgq self._verbose = verbose self._debug = debug @@ -171,8 +176,9 @@ class sounder: self._u = self._trans._u if self._receive: - self._rcvr = sounder_rx(subdev_spec=self._rx_subdev_spec,length=self._length,gain=self._rx_gain, - msgq=self._msgq,loopback=self._loopback,verbose=self._verbose, + self._rcvr = sounder_rx(subdev_spec=self._rx_subdev_spec,length=self._length, + gain=self._rx_gain,alpha=self._alpha,msgq=self._msgq, + loopback=self._loopback,verbose=self._verbose, debug=self._debug) self._u = self._rcvr._u # either receiver or transmitter object will do |