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authorTom Rondeau <trondeau@vt.edu>2012-07-16 21:29:42 -0400
committerTom Rondeau <trondeau@vt.edu>2012-07-16 21:29:42 -0400
commit7a91bcd3492620003b5fc7b55704509798e70741 (patch)
tree30f22479e00f2fdbc7dd0cd44fc33ff9cd51714a /gr-digital
parentd5ced1615d024c220039fc5fe5db2c93dfadcc3a (diff)
digital: fixed GFSK component to use gr-filter component.
Diffstat (limited to 'gr-digital')
-rw-r--r--gr-digital/python/gfsk.py9
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)