1 files changed, 110 insertions, 0 deletions
diff --git a/gnuradio-examples/python/usrp/limbo/usrp_fft_old.py b/gnuradio-examples/python/usrp/limbo/usrp_fft_old.py
new file mode 100755
index 000000000..5edb372b9
--- /dev/null
+++ b/gnuradio-examples/python/usrp/limbo/usrp_fft_old.py
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+#
+# Copyright 2004 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
+from gnuradio import eng_notation
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import stdgui, fftsink, scopesink
+from optparse import OptionParser
+import wx
+
+class app_flow_graph (stdgui.gui_flow_graph):
+    def __init__(self, frame, panel, vbox, argv):
+        stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv)
+
+        self.frame = frame
+        self.panel = panel
+        
+        parser = OptionParser (option_class=eng_option)
+        parser.add_option ("-d", "--decim", type="int", default=16,
+                           help="set fgpa decimation rate to DECIM")
+        parser.add_option ("-c", "--ddc-freq", type="eng_float", default=0,
+                           help="set Rx DDC frequency to FREQ", metavar="FREQ")
+        parser.add_option ("-m", "--mux", type="intx", default=0x32103210,
+                           help="set fpga FR_RX_MUX register to MUX")
+        parser.add_option ("-g", "--gain", type="eng_float", default=0,
+                           help="set Rx PGA gain in dB (default 0 dB)")
+        (options, args) = parser.parse_args ()
+
+        self.u = usrp.source_c (0, options.decim, 1, gru.hexint(options.mux), 0)
+        self.u.set_rx_freq (0, options.ddc_freq)
+
+        self.u.set_pga (0, options.gain)
+        self.u.set_pga (1, options.gain)
+
+        self.u.set_verbose (0)
+        
+        input_rate = self.u.adc_freq () / self.u.decim_rate ()
+
+        fft = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate)
+        #fft = fftsink.fft_sink_c (self, panel, fft_size=1024, fft_rate=50, sample_rate=input_rate)
+        self.connect (self.u, fft)
+        vbox.Add (fft.win, 10, wx.EXPAND)
+
+	if 0:
+            c2f_1 = gr.complex_to_float ()
+            scope = scopesink.scope_sink_f (self, panel, "Rx Data", input_rate)
+            vbox.Add (scope.win, 4, wx.EXPAND)
+
+            self.connect (self.u,c2f_1)
+            self.connect ((c2f_1, 0), (scope, 0))
+            self.connect ((c2f_1, 1), (scope, 1))
+
+        # build small control area at bottom
+        hbox = wx.BoxSizer (wx.HORIZONTAL)
+        hbox.Add ((1, 1), 1, wx.EXPAND)
+        hbox.Add (wx.StaticText (panel, -1, "Set ddc freq: "), 0, wx.ALIGN_CENTER)
+        self.tc_freq = wx.TextCtrl (panel, -1, "", style=wx.TE_PROCESS_ENTER)
+        hbox.Add (self.tc_freq, 0, wx.ALIGN_CENTER)
+        wx.EVT_TEXT_ENTER (self.tc_freq, self.tc_freq.GetId(), self.handle_text_enter)
+        hbox.Add ((1, 1), 1, wx.EXPAND)
+        # add it to the main vbox
+        vbox.Add (hbox, 0, wx.EXPAND)
+
+        self.update_status_bar ()
+
+    def handle_text_enter (self, event):
+        str = event.GetString ()
+        self.tc_freq.Clear ()
+        self.u.set_rx_freq (0, eng_notation.str_to_num (str))
+        self.update_status_bar ()
+
+    def update_status_bar (self):
+        ddc_freq = self.u.rx_freq (0)
+        decim_rate = self.u.decim_rate ()
+        sample_rate = self.u.adc_freq () / decim_rate
+        msg = "decim: %d  %sS/s  DDC: %s" % (
+            decim_rate,
+            eng_notation.num_to_str (sample_rate),
+            eng_notation.num_to_str (ddc_freq))
+            
+        self.frame.GetStatusBar().SetStatusText (msg, 1)
+
+        
+
+def main ():
+    app = stdgui.stdapp (app_flow_graph, "USRP FFT")
+    app.MainLoop ()
+
+if __name__ == '__main__':
+    main ()