Merge branch 'upstream' into dfsg-orig

[debian/gnuradio] / gnuradio-examples / python / digital / benchmark_rx2.py

diff --git a/gnuradio-examples/python/digital/benchmark_rx2.py b/gnuradio-examples/python/digital/benchmark_rx2.py
new file mode 100755 (executable)
index 0000000..fe422be
--- /dev/null
+++ b/gnuradio-examples/python/digital/benchmark_rx2.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+#
+# 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 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, gru, modulation_utils2
+from gnuradio import usrp
+from gnuradio import eng_notation
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+import random
+import struct
+import sys
+
+# from current dir
+import usrp_receive_path2
+
+#import os
+#print os.getpid()
+#raw_input('Attach and press enter: ')
+
+class my_top_block(gr.top_block):
+    def __init__(self, demodulator, rx_callback, options):
+        gr.top_block.__init__(self)
+
+        # Set up receive path
+        self.rxpath = usrp_receive_path2.usrp_receive_path(demodulator, rx_callback, options) 
+
+        self.connect(self.rxpath)
+
+# /////////////////////////////////////////////////////////////////////////////
+#                                   main
+# /////////////////////////////////////////////////////////////////////////////
+
+global n_rcvd, n_right
+
+def main():
+    global n_rcvd, n_right
+
+    n_rcvd = 0
+    n_right = 0
+    
+    def rx_callback(ok, payload):
+        global n_rcvd, n_right
+        (pktno,) = struct.unpack('!H', payload[0:2])
+        n_rcvd += 1
+        if ok:
+            n_right += 1
+
+        print "ok = %5s  pktno = %4d  n_rcvd = %4d  n_right = %4d" % (
+            ok, pktno, n_rcvd, n_right)
+
+
+    demods = modulation_utils2.type_1_demods()
+
+    # Create Options Parser:
+    parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
+    expert_grp = parser.add_option_group("Expert")
+
+    parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), 
+                      default='dbpsk2',
+                      help="Select modulation from: %s [default=%%default]"
+                            % (', '.join(demods.keys()),))
+
+    usrp_receive_path2.add_options(parser, expert_grp)
+
+    for mod in demods.values():
+        mod.add_options(expert_grp)
+
+    (options, args) = parser.parse_args ()
+
+    if len(args) != 0:
+        parser.print_help(sys.stderr)
+        sys.exit(1)
+
+    if options.rx_freq is None:
+        sys.stderr.write("You must specify -f FREQ or --freq FREQ\n")
+        parser.print_help(sys.stderr)
+        sys.exit(1)
+
+
+    # build the graph
+    tb = my_top_block(demods[options.modulation], rx_callback, options)
+
+    r = gr.enable_realtime_scheduling()
+    if r != gr.RT_OK:
+        print "Warning: Failed to enable realtime scheduling."
+
+    tb.start()        # start flow graph
+    tb.wait()         # wait for it to finish
+
+if __name__ == '__main__':
+    try:
+        main()
+    except KeyboardInterrupt:
+        pass