Merge branch 'dfsg-orig'

[debian/gnuradio] / gr-msdd6000 / src / python-examples / msdd_dynamics.py

diff --git a/gr-msdd6000/src/python-examples/msdd_dynamics.py b/gr-msdd6000/src/python-examples/msdd_dynamics.py
new file mode 100755 (executable)
index 0000000..8cd1e52
--- /dev/null
+++ b/gr-msdd6000/src/python-examples/msdd_dynamics.py
@@ -0,0 +1,99 @@
+#!/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 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
+from gnuradio import msdd
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import time
+
+class benchmark_msdd6000(gr.top_block):
+    def __init__(self, address, options):
+        gr.top_block.__init__(self)
+
+        # Extract the initial options
+        self.frequency = options.frequency
+        self.filename  = options.filename
+        self.decim     = options.decim
+        self.gain      = options.gain
+        self.address   = address
+
+        # Set up and initialize the MSDD receiver
+        self.port = 10001 # required port
+        self.src = msdd.source_c(0, 1, self.address, self.port)
+        self.src.set_decim_rate(self.decim)
+        self.src.set_desired_packet_size(0, 1460)
+        self.src.set_pga(0, self.gain)
+        self.src.set_rx_freq(0, self.frequency)
+
+        # Display some info
+        print "Min PGA: ", self.src.pga_min()
+        print "Max PGA: ", self.src.pga_max()
+        print "PGA:     ", self.src.pga(0)
+        print "Decim:   ", self.src.decim_rate()
+        print "Freq:    ", self.src.rx_freq(0)
+        
+        # Build a file sink to save the info for post analysis
+        self.snk = gr.file_sink(gr.sizeof_gr_complex, self.filename)
+
+        # Connect the reciever source to file sink
+        self.connect(self.src, self.snk)
+        
+def main():
+    ''' This is a simple little script to play with retunning of the MSDD board.
+    You can cycle through frequencies or the attenuation of the board here.
+    '''
+
+    usage="%prog: [options] host_address"
+    parser = OptionParser(usage=usage, option_class=eng_option, conflict_handler="resolve")
+    parser.add_option("-f", "--frequency", type="eng_float", default=100e6,
+                      help="set frequency (Hz) [default=%default]")
+    parser.add_option("-d", "--decim", type="int", default=256,
+                      help="set decimation rate [default=%default]")
+    parser.add_option("-g", "--gain", type="int", default=32,
+                      help="set receiver gain (dB) [default=%default]")
+    parser.add_option("-F", "--filename", type="string", default="output.dat",
+                      help="set output filename [default=%default]")
+    (options, args) = parser.parse_args ()
+    host_address = args[0]
+
+    # Set up benchmark system that simply connects the MSDD source to a file sink
+    tb = benchmark_msdd6000(host_address, options)
+    tb.start() # start it here
+
+    # Adjust your parameters here. Use the time.sleep(x) function to set a wait period
+    # between adjusting the parameter.
+    for i in range(7):
+        time.sleep(0.5)
+        if 0:
+            freq = (tb.src.rx_freq(0) + 1) * 1e6
+            tb.src.set_rx_freq(0, freq)
+            print "Setting frequency: ", freq
+        if 1:
+            pga = tb.src.pga(0)+10
+            tb.src.set_pga(0, pga)
+            print "Setting PGA: ", pga
+
+    tb.stop()  # stop the radio
+
+if __name__ == '__main__':
+    main()