1 files changed, 42 insertions, 0 deletions
diff --git a/gr-uhd/apps/hf_radio/output.py b/gr-uhd/apps/hf_radio/output.py
new file mode 100644
index 000000000..8ee7dc54c
--- /dev/null
+++ b/gr-uhd/apps/hf_radio/output.py
@@ -0,0 +1,42 @@
+# Copyright 2011 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 3, 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.
+# 
+
+
+# Audio output with a volume control.
+#
+# M. Revnell 2005-Dec
+
+from gnuradio import gr, gru
+from gnuradio import audio
+
+class output( gr.hier_block2 ):
+    def __init__( self, rate, device ):
+        gr.hier_block2.__init__(self, "output",
+                                gr.io_signature(1,1,gr.sizeof_float),
+                                gr.io_signature(0,0,0))
+        
+        self.vol = gr.multiply_const_ff( 0.1 )
+        self.out = audio.sink( int(rate), device )
+
+        self.connect( self, self.vol, self.out )
+
+    def set( self, val ):
+        self.vol.set_k( val )
+