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Diffstat (limited to 'gr-audio/examples/python/dial_tone_wav.py')
-rwxr-xr-xgr-audio/examples/python/dial_tone_wav.py15
1 files changed, 11 insertions, 4 deletions
diff --git a/gr-audio/examples/python/dial_tone_wav.py b/gr-audio/examples/python/dial_tone_wav.py
index c06af55b70..91bf744c95 100755
--- a/gr-audio/examples/python/dial_tone_wav.py
+++ b/gr-audio/examples/python/dial_tone_wav.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
-# Copyright 2004,2005,2007,2008 Free Software Foundation, Inc.
+# Copyright 2004,2005,2007,2008,2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
@@ -23,9 +23,16 @@
# GNU Radio example program to record a dial tone to a WAV file
from gnuradio import gr
+from gnuradio import blocks
from gnuradio.eng_option import eng_option
from optparse import OptionParser
+try:
+ from gnuradio import analog
+except ImportError:
+ sys.stderr.write("Error: Program requires gr-analog.\n")
+ sys.exit(1)
+
class my_top_block(gr.top_block):
def __init__(self):
@@ -45,11 +52,11 @@ class my_top_block(gr.top_block):
sample_rate = int(options.sample_rate)
ampl = 0.1
- src0 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 350, ampl)
- src1 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 440, ampl)
+ src0 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 350, ampl)
+ src1 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 440, ampl)
head0 = gr.head(gr.sizeof_float, int(options.samples))
head1 = gr.head(gr.sizeof_float, int(options.samples))
- dst = gr.wavfile_sink(args[0], 2, int(options.sample_rate), 16)
+ dst = blocks.wavfile_sink(args[0], 2, int(options.sample_rate), 16)
self.connect(src0, head0, (dst, 0))
self.connect(src1, head1, (dst, 1))