Merge branch 'master' of gnuradio.org:gnuradio

1 files changed, 40 insertions, 0 deletions

diff --git a/gnuradio-examples/waveforms/dial-tone.wfd b/gnuradio-examples/waveforms/dial-tone.wfd
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+++ b/gnuradio-examples/waveforms/dial-tone.wfd
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+;;; Emacs, format this using -*-scheme-*- mode.
+;;;
+;;; Copyright 2010 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+;;;
+
+;;; This example waveform outputs a signal to an audio_alsa_sink
+;;; that sounds like North American dial tone.
+
+(use-modules (gnuradio audio_alsa))
+
+
+(define-waveform (dial-tone cmd-line-args)
+  (vars
+   (sample-rate 48000)
+   (ampl 0.1))
+
+  (blocks
+   (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))
+   (sink (gr:audio-alsa-sink sample-rate "plughw:0,0"))
+   )
+
+  (connections
+   (src0 (list sink 0))		; src0 to left input
+   (src1 (list sink 1))))	; src1 to right input