Merge branch 'upstream' into dfsg-orig

[debian/gnuradio] / usrp2 / host / apps / streaming_fft.py

diff --git a/usrp2/host/apps/streaming_fft.py b/usrp2/host/apps/streaming_fft.py
new file mode 100755 (executable)
index 0000000..4d34149
--- /dev/null
+++ b/usrp2/host/apps/streaming_fft.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+#
+# Copyright 2008 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, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+import os
+import os.path
+import sys
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+def main():
+    parser = OptionParser(option_class=eng_option)
+    parser.add_option("-d", "--decim", type="int", default=16,
+                      help="set fgpa decimation rate to DECIM [default=%default]")
+    parser.add_option("-f", "--freq", type="eng_float", default=0.0,
+                      help="set frequency to FREQ", metavar="FREQ")
+    parser.add_option("-g", "--gain", type="string", default=None,
+                      help="set gain to GAIN [default=%default]")
+    parser.add_option("-W", "--waterfall", action="store_true", default=False,
+                      help="Enable waterfall display")
+    parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
+                      help="Enable oscilloscope display")
+    parser.add_option("-F", "--samples-per-frame", type="int", default=250,
+                      help="[default=%default]")
+    parser.add_option("-e", "--eth", default="eth0",
+                      help="specify ethernet interface [default=%default]")
+
+    (options, args) = parser.parse_args()
+    if len(args) != 0:
+        parser.print_help()
+        sys.exit(1)
+
+
+    path = os.path.dirname(sys.argv[0])
+    if path == '':
+        path = '.'
+    
+    
+    display_type = ''
+    if options.waterfall:
+        display_type = '-W'
+    if options.oscilloscope:
+        display_type = '-S'
+
+    gain_clause = ''
+    if options.gain:
+        gain_clause = '-g ' + options.gain
+
+    # FIXME: restore -F
+    cmd = "%s/rx_streaming_samples -s -e %s -f %g -d %d %s -o /proc/self/fd/1 | %s/stdin_int32_fft.py %s -f %g -d %d" % (
+        path, options.eth, options.freq, options.decim, gain_clause,
+        path, display_type, options.freq, options.decim)
+
+    print cmd
+    os.system(cmd)
+    
+
+if __name__ == '__main__':
+    main()