diff options
Diffstat (limited to 'gr-digital/python/gfsk.py')
| -rw-r--r-- | gr-digital/python/gfsk.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gr-digital/python/gfsk.py b/gr-digital/python/gfsk.py index c85fdf0e00..9ec477648e 100644 --- a/gr-digital/python/gfsk.py +++ b/gr-digital/python/gfsk.py @@ -32,6 +32,11 @@ import numpy from pprint import pprint import inspect +try: + from gnuradio import filter +except ImportError: + import filter_swig as filter + # default values (used in __init__ and add_options) _def_samples_per_symbol = 2 _def_sensitivity = 1 @@ -94,7 +99,7 @@ class gfsk_mod(gr.hier_block2): #sensitivity = (pi / 2) / samples_per_symbol # phase change per bit = pi / 2 # Turn it into NRZ data. - self.nrz = gr.bytes_to_syms() + self.nrz = digital.bytes_to_syms() # Form Gaussian filter # Generate Gaussian response (Needs to be convolved with window below). @@ -107,7 +112,7 @@ class gfsk_mod(gr.hier_block2): self.sqwave = (1,) * samples_per_symbol # rectangular window self.taps = numpy.convolve(numpy.array(self.gaussian_taps),numpy.array(self.sqwave)) - self.gaussian_filter = gr.interp_fir_filter_fff(samples_per_symbol, self.taps) + self.gaussian_filter = filter.interp_fir_filter_fff(samples_per_symbol, self.taps) # FM modulation self.fmmod = gr.frequency_modulator_fc(sensitivity) |