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[Commit-gnuradio] r9642 - gnuradio/trunk/gr-utils/src/python


From: jcorgan
Subject: [Commit-gnuradio] r9642 - gnuradio/trunk/gr-utils/src/python
Date: Tue, 23 Sep 2008 13:39:10 -0600 (MDT)

Author: jcorgan
Date: 2008-09-23 13:39:09 -0600 (Tue, 23 Sep 2008)
New Revision: 9642

Added:
   gnuradio/trunk/gr-utils/src/python/usrp2_siggen.py
Modified:
   gnuradio/trunk/gr-utils/src/python/Makefile.am
   gnuradio/trunk/gr-utils/src/python/usrp2_rx_cfile.py
   gnuradio/trunk/gr-utils/src/python/usrp_siggen.py
Log:
Adds usrp2_siggen.py to gr-utils, missed copyright notices

Modified: gnuradio/trunk/gr-utils/src/python/Makefile.am
===================================================================
--- gnuradio/trunk/gr-utils/src/python/Makefile.am      2008-09-23 02:17:38 UTC 
(rev 9641)
+++ gnuradio/trunk/gr-utils/src/python/Makefile.am      2008-09-23 19:39:09 UTC 
(rev 9642)
@@ -49,6 +49,7 @@
     usrp_test_counting.py \
     usrp_test_loopback.py \
     usrp2_fft.py \
-    usrp2_rx_cfile.py
-
+    usrp2_rx_cfile.py \
+    usrp2_siggen.py
+    
 MOSTLYCLEANFILES = *~ *.pyc

Modified: gnuradio/trunk/gr-utils/src/python/usrp2_rx_cfile.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp2_rx_cfile.py        2008-09-23 
02:17:38 UTC (rev 9641)
+++ gnuradio/trunk/gr-utils/src/python/usrp2_rx_cfile.py        2008-09-23 
19:39:09 UTC (rev 9642)
@@ -1,4 +1,24 @@
 #!/usr/bin/env python
+#
+# Copyright 2004,2005,2007,2008 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.
+# 
 
 """
 Read samples from the USRP2 and write to file formatted as binary

Added: gnuradio/trunk/gr-utils/src/python/usrp2_siggen.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp2_siggen.py                          
(rev 0)
+++ gnuradio/trunk/gr-utils/src/python/usrp2_siggen.py  2008-09-23 19:39:09 UTC 
(rev 9642)
@@ -0,0 +1,143 @@
+#!/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, eng_notation
+from gnuradio import usrp2
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import sys
+
+n2s = eng_notation.num_to_str
+
+class siggen_top_block(gr.top_block):
+    def __init__(self, options):
+        gr.top_block.__init__(self)
+
+        # Create a USRP2 sink with the requested interpolation rate
+        self._u = usrp2.sink_32fc(options.interface, options.mac_addr)
+        self._u.set_interp(options.interp)
+
+        # Set the Tx daughterboard gain as requested
+        if options.gain is None:
+            #g = self._u.gain_range()
+            #options.gain = float(g[0]+g[1])/2
+            options.gain = 0 # Until gain range is implemented
+        self._u.set_gain(options.gain)
+
+        # Tune the USRP2 FPGA and daughterboard to the requested center 
frequency
+        tr = self._u.set_center_freq(options.tx_freq)
+        if tr == None:
+            sys.stderr.write('Failed to set center frequency\n')
+            raise SystemExit, 1
+
+        #eth_rate = self._u.dac_rate()/self._u.interp_rate()
+        eth_rate = 100e6/options.interp # FIXME
+        
+        # Create a source for the requested waveform type
+        if options.type == gr.GR_SIN_WAVE or options.type == gr.GR_CONST_WAVE:
+            self._src = gr.sig_source_c(eth_rate,              # Sample rate
+                                        options.type,          # Waveform type
+                                        options.waveform_freq, # Waveform 
frequency
+                                        options.amplitude,     # Waveform 
amplitude
+                                        options.offset)        # Waveform 
offset
+            
+        elif options.type == gr.GR_GAUSSIAN or options.type == gr.GR_UNIFORM:
+            self._src = gr.noise_source_c(options.type, options.amplitude)
+        else:
+            sys.stderr.write('Unknown waveform type\n')
+            raise SystemExit, 1
+
+        if options.verbose:
+            print "Network interface:", options.interface
+            print "USRP2 address:", self._u.mac_addr()
+            #print "Using TX d'board %s" % (self._u.tx_name(),)
+            print "Tx gain:", options.gain
+            print "Tx baseband frequency:", n2s(tr.baseband_freq), "Hz"
+            print "Tx DDC frequency:", n2s(tr.dxc_freq), "Hz"
+            print "Tx residual frequency:", n2s(tr.residual_freq), "Hz"
+            print "Tx interpolation rate:", options.interp
+            print "Tx GbE sample rate:", n2s(eth_rate), "samples/sec"
+           if options.type == gr.GR_SIN_WAVE:
+               print "Baseband waveform type: Sine wave"
+               print "Baseband waveform frequency:", 
n2s(options.waveform_freq), "Hz"
+           elif options.type == gr.GR_CONST_WAVE:
+               print "Baseband waveform type: Constant"
+           elif options.type == gr.GR_GAUSSIAN:
+               print "Baseband waveform type: Gaussian noise"
+           elif options.type == gr.GR_UNIFORM:
+               print "Baseband waveform type: Uniform noise"           
+                           
+        # Wire the flowgraph
+        self.connect(self._src, self._u)
+            
+def get_options():
+    usage="%prog: [options]"
+
+    parser = OptionParser(option_class=eng_option, usage=usage)
+    parser.add_option("-e", "--interface", type="string", default="eth0",
+                      help="use specified Ethernet interface 
[default=%default]")
+    parser.add_option("-m", "--mac-addr", type="string", default="",
+                      help="use USRP2 at specified MAC address 
[default=None]")  
+    parser.add_option("-i", "--interp", type="int", default=16,
+                      help="set fgpa decimation rate to DECIM 
[default=%default]")
+    parser.add_option("-g", "--gain", type="eng_float", default=None,
+                      help="set output gain to GAIN [default=%default]")
+    parser.add_option("-f", "--tx-freq", type="eng_float", default=None,
+                      help="set frequency to FREQ", metavar="FREQ")
+    parser.add_option("-v", "--verbose", action="store_true", default=False,
+                      help="verbose output")
+    parser.add_option("-w", "--waveform-freq", type="eng_float", default=100e3,
+                      help="set waveform frequency to FREQ [default=%default]")
+    parser.add_option("-a", "--amplitude", type="eng_float", default=0.5,
+                      help="set waveform amplitude to AMPLITUDE (0-1.0) 
[default=%default]", metavar="AMPL")
+    parser.add_option("--offset", type="eng_float", default=0,
+                      help="set waveform offset to OFFSET [default=%default]")
+    parser.add_option("--sine", dest="type", action="store_const", 
const=gr.GR_SIN_WAVE,
+                      help="generate a complex sinusoid [default]", 
default=gr.GR_SIN_WAVE)
+    parser.add_option("--const", dest="type", action="store_const", 
const=gr.GR_CONST_WAVE, 
+                      help="generate a constant output")
+    parser.add_option("--gaussian", dest="type", action="store_const", 
const=gr.GR_GAUSSIAN,
+                      help="generate Gaussian random output")
+    parser.add_option("--uniform", dest="type", action="store_const", 
const=gr.GR_UNIFORM,
+                      help="generate Uniform random output")
+
+    (options, args) = parser.parse_args ()
+    if len(args) != 0:
+        parser.print_help()
+        raise SystemExit, 1
+    
+    if options.tx_freq is None:
+        parser.print_help()
+        sys.stderr.write('You must specify the frequency with -f FREQ\n');
+        raise SystemExit, 1
+    
+    return options
+
+
+if __name__ == '__main__':
+    options = get_options()
+    tb = siggen_top_block(options)
+    
+    try:
+        tb.run()
+    except KeyboardInterrupt:
+        pass


Property changes on: gnuradio/trunk/gr-utils/src/python/usrp2_siggen.py
___________________________________________________________________
Name: svn:executable
   + *

Modified: gnuradio/trunk/gr-utils/src/python/usrp_siggen.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp_siggen.py   2008-09-23 02:17:38 UTC 
(rev 9641)
+++ gnuradio/trunk/gr-utils/src/python/usrp_siggen.py   2008-09-23 19:39:09 UTC 
(rev 9642)
@@ -1,4 +1,24 @@
 #!/usr/bin/env python
+#
+# Copyright 2004,2005,2007,2008 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, gru
 from gnuradio import usrp





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