[Commit-gnuradio] r3897 - gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio

[jcorgan]

Author: jcorgan
Date: 2006-10-30 12:45:25 -0700 (Mon, 30 Oct 2006)
New Revision: 3897

Added:
   
gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio/dial_tone2.py
Log:
Add example of dial tone using new hierarchical block.

Copied: 
gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio/dial_tone2.py
 (from rev 3864, 
gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio/dial_tone.py)
===================================================================
--- 
gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio/dial_tone2.py
                              (rev 0)
+++ 
gnuradio/branches/developers/jcorgan/hier/gnuradio-examples/python/audio/dial_tone2.py
      2006-10-30 19:45:25 UTC (rev 3897)
@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2005,2006 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+from gnuradio import gr
+from gnuradio import audio
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+class dial_tone(gr.hier_block2):
+    def __init__(self):
+        gr.hier_block2.__init__(self)
+
+        parser = OptionParser(option_class=eng_option)
+        parser.add_option("-O", "--audio-output", type="string", default="",
+                          help="pcm output device name.  E.g., hw:0,0 or 
/dev/dsp")
+        parser.add_option("-r", "--sample-rate", type="eng_float", 
default=48000,
+                          help="set sample rate to RATE (48000)")
+        (options, args) = parser.parse_args ()
+        if len(args) != 0:
+            parser.print_help()
+            raise SystemExit, 1
+
+        sample_rate = int(options.sample_rate)
+        ampl = 0.1
+
+       # Create sub-components
+        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)
+        dst = audio.sink (sample_rate, options.audio_output)
+
+       # Register them with us
+       self.define_component("source0", src0)
+       self.define_component("source1", src1)
+       self.define_component("dest", dst)
+
+       # Wire things up (there will be convenience functions for these)
+       self.connect("source0", 0, "dest", 0)   
+       self.connect("source1", 0, "dest", 1)
+
+if __name__ == '__main__':
+    try:
+       pass
+       # Not implemented yet
+        # dial_tone().run() 
+    except KeyboardInterrupt:
+        pass