Merge branch 'upstream' into dfsg-orig
[debian/gnuradio] / gr-pager / apps / usrp_flex_all.py
diff --git a/gr-pager/apps/usrp_flex_all.py b/gr-pager/apps/usrp_flex_all.py
new file mode 100755 (executable)
index 0000000..14f9151
--- /dev/null
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+#
+# Copyright 2006,2007,2009 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, usrp, optfir, eng_notation, blks2, pager
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+from string import split, join, printable
+import time
+
+class app_top_block(gr.top_block):
+    def __init__(self, options, queue):
+       gr.top_block.__init__(self, "usrp_flex_all")
+
+        if options.from_file is not None:
+            src = gr.file_source(gr.sizeof_gr_complex, options.from_file)
+            if options.verbose:
+                print "Reading samples from file", options.from_file
+        else:
+            src = usrp.source_c()
+            if options.rx_subdev_spec is None:
+                options.rx_subdev_spec = usrp.pick_rx_subdevice(src)
+            subdev = usrp.selected_subdev(src, options.rx_subdev_spec)
+            src.set_mux(usrp.determine_rx_mux_value(src, options.rx_subdev_spec))
+            src.set_decim_rate(20)
+            result = usrp.tune(src, 0, subdev, 930.5125e6+options.calibration)
+            if options.verbose:
+                print "Using", subdev.name(), " for receiving."
+                print "Tuned USRP to", 930.5125e6+options.calibration
+                
+        taps = gr.firdes.low_pass(1.0,
+                                  1.0,
+                                  1.0/128.0*0.4,
+                                  1.0/128.0*0.1,
+                                  gr.firdes.WIN_HANN)
+
+        if options.verbose:
+            print "Channel filter has", len(taps), "taps"
+
+        bank = blks2.analysis_filterbank(128, taps)
+        self.connect(src, bank)
+
+        if options.log and options.from_file == None:
+            src_sink = gr.file_sink(gr.sizeof_gr_complex, 'usrp.dat')
+            self.connect(src, src_sink)
+
+        for i in range(128):
+           if i < 64:
+               freq = 930.5e6+i*25e3
+           else:
+               freq = 928.9e6+(i-64)*25e3
+
+           if (freq < 929.0e6 or freq > 932.0e6):
+                self.connect((bank, i), gr.null_sink(gr.sizeof_gr_complex))
+           else:
+               self.connect((bank, i), pager.flex_demod(queue, freq, options.verbose, options.log))
+                if options.log:
+                    self.connect((bank, i), gr.file_sink(gr.sizeof_gr_complex, 'chan_'+'%3.3f'%(freq/1e6)+'.dat'))
+
+def main():
+    parser = OptionParser(option_class=eng_option)
+    parser.add_option("-R", "--rx-subdev-spec", type="subdev",
+                      help="select USRP Rx side A or B (default=first daughterboard found)")
+    parser.add_option("-c", "--calibration", type="eng_float", default=0.0,
+                      help="set frequency offset to Hz", metavar="Hz")
+    parser.add_option("-g", "--gain", type="int",
+                      help="set RF gain", metavar="dB")
+    parser.add_option("-F", "--from-file", default=None,
+                      help="Read from file instead of USRP")
+    parser.add_option("-l", "--log", action="store_true", default=False,
+                      help="log flowgraph to files (LOTS of data)")
+    parser.add_option("-v", "--verbose", action="store_true", default=False,
+                      help="display debug output")
+    (options, args) = parser.parse_args()
+
+    if options.verbose:
+        print options
+
+    queue = gr.msg_queue()
+    tb = app_top_block(options, queue)
+    runner = pager.queue_runner(queue)
+
+    try:
+        tb.run()
+    except KeyboardInterrupt:
+        pass
+
+    runner.end()
+    
+if __name__ == "__main__":
+    main()