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[Commit-gnuradio] r4960 - in gnuradio/branches/developers/nldudok1/gener
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From: |
nldudok1 |
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Subject: |
[Commit-gnuradio] r4960 - in gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python: . cxadc usrp |
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Date: |
Wed, 11 Apr 2007 18:48:22 -0600 (MDT) |
Author: nldudok1
Date: 2007-04-11 18:48:22 -0600 (Wed, 11 Apr 2007)
New Revision: 4960
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cx2388x_oscope.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_fft.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_rx_cfile.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv_nogui.py
Modified:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/usrp/usrp_fmtv_rcv.py
Log:
added cxadc examples
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cx2388x_oscope.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cx2388x_oscope.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cx2388x_oscope.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -0,0 +1,106 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2005,2006,2007 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 2, 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 eng_notation
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import stdgui, fftsink, waterfallsink, scopesink, form,
slider
+from optparse import OptionParser
+import wx
+import sys
+
+from gnuradio import cxadc
+
+
+class app_flow_graph(stdgui.gui_flow_graph):
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui.gui_flow_graph.__init__(self)
+
+ self.frame = frame
+ self.panel = panel
+
+ usage="%prog: [options]"
+ parser = OptionParser(option_class=eng_option, usage=usage)
+ parser.add_option("-n", "--frame-decim", type="int", default=1,
+ help="set oscope frame decimation factor to n
[default=1]")
+ parser.add_option("-v", "--v-scale", type="eng_float", default=10000,
+ help="set oscope initial V/div to SCALE
[default=%default]")
+ parser.add_option("-t", "--t-scale", type="eng_float", default=49e-6,
+ help="set oscope initial s/div to SCALE
[default=50us]")
+ #parser.add_option( "-s","--input-shorts", action="store_true",
default=False,
+ # help="input interleaved shorts in stead of complex
floats")
+ (options, args) = parser.parse_args()
+ if len(args) != 0:
+ parser.print_help()
+ raise SystemExit, 1
+
+ self.show_debug_info = True
+
+ # build the graph
+ sampling_freq=27e6
+ #// public shared_ptr constructor
+ #cxadc_source_sptr
+ #cxadc_make_source (double sampling_freq = 27e6,//sampling_freq is
ignored at the moment. TODO: implement sampling_freq
+ # int do_avg_frame=1,
+ # double frame_avg_alpha=0.01,
+ # const std::string dev = "/dev/cxadc") throw
(std::runtime_error);
+ if True: #options.input_shorts:
+ self.cxadc=cxadc.source (sampling_freq,1,0.1,"/dev/cxadc")
+ self.fsrc=gr.short_to_float()
+ #self.csrc= gr.interleaved_short_to_complex()
+ self.connect(self.cxadc,self.fsrc)
+ else:
+ self.fsrc= cxadc.source_f (sampling_freq =
sampling_freq,do_avg_frame=True,frame_avg_alpha=0.01,dev = "/dev/cxadc")
+
+ input_rate = sampling_freq #100.0e6 #self.u.adc_freq() /
self.u.decim_rate()
+
+ self.scope = scopesink.scope_sink_f(self, panel,
sample_rate=input_rate,
+ frame_decim=options.frame_decim,
+ v_scale=options.v_scale,
+ t_scale=options.t_scale)
+ self.connect(self.fsrc, self.scope)
+
+ self._build_gui(vbox)
+
+
+
+ def _set_status_msg(self, msg):
+ self.frame.GetStatusBar().SetStatusText(msg, 0)
+
+ def _build_gui(self, vbox):
+ vbox.Add(self.scope.win, 10, wx.EXPAND)
+
+ # add control area at the bottom
+ #self.myform = myform = form.form()
+ #hbox = wx.BoxSizer(wx.HORIZONTAL)
+ #hbox.Add((5,0), 0, 0)
+ #
+ #vbox.Add(hbox, 0, wx.EXPAND)
+
+
+def main ():
+ app = stdgui.stdapp(app_flow_graph, "cxadc TV card O'scope", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cx2388x_oscope.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_fft.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_fft.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_fft.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -0,0 +1,243 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2005 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 2, 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, waterfallsink, scopesink, form,
slider
+
+from gnuradio.blksimpl.dqpsk import dqpsk_mod
+
+from optparse import OptionParser
+import wx
+import sys
+
+from gnuradio import cxadc
+
+class app_flow_graph(stdgui.gui_flow_graph):
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui.gui_flow_graph.__init__(self)
+
+ self.frame = frame
+ self.panel = panel
+ usage="%prog: [options] input_filename"
+ parser = OptionParser(option_class=eng_option, usage=usage)
+
+ parser.add_option("-f", "--freq", type="eng_float", default=None,
+ help="set frequency to FREQ", metavar="FREQ")
+ parser.add_option("-W", "--waterfall", action="store_true",
default=False,
+ help="Enable waterfall display")
+ parser.add_option("-S", "--oscilloscope", action="store_true",
default=False,
+ help="Enable oscilloscope display")
+ parser.add_option("-n", "--frame-decim", type="int", default=1,
+ help="set oscope frame decimation factor to n
[default=1]")
+ parser.add_option("-v", "--v-scale", type="eng_float", default=1000,
+ help="set oscope initial V/div to SCALE
[default=%default]")
+ parser.add_option("-t", "--t-scale", type="eng_float", default=49e-6,
+ help="set oscope initial s/div to SCALE
[default=50us]")
+ (options, args) = parser.parse_args()
+ if len(args) != 0:
+ parser.print_help()
+ raise SystemExit, 1
+
+ self.show_debug_info = True
+
+ #self.noise_float= gr.noise_source_f(gr.GR_UNIFORM ,127.5,0)
+ #self.noise_char=gr.float_to_char()
+
+ #self.src = gr.file_source(gr.sizeof_gr_complex, filename, True)
+ input_rate = 32.0e6 #27e6
+
+ #// public shared_ptr constructor
+ #cxadc_source_sptr
+ #cxadc_make_source (double sampling_freq = 27e6,//sampling_freq is
ignored at the moment. TODO: implement sampling_freq
+ # int do_avg_frame=1,
+ # double frame_avg_alpha=0.01,
+ # const std::string dev = "/dev/cxadc") throw
(std::runtime_error);
+ if True: #options.input_shorts:
+ self.cxadc=cxadc.source (input_rate,0,0.1,"/dev/cxadc")
+ self.fsrc=gr.short_to_float()
+ #self.csrc= gr.interleaved_short_to_complex()
+ self.connect(self.cxadc,self.fsrc)
+ else:
+ self.fsrc= cxadc.source_f (sampling_freq =
input_rate,do_avg_frame=True,frame_avg_alpha=0.01,dev = "/dev/cxadc")
+ if options.waterfall:
+ self.scope = \
+ waterfallsink.waterfall_sink_f (self, panel, fft_size=1024,
sample_rate=input_rate)
+ elif options.oscilloscope:
+ #self.scope = scopesink.scope_sink_c(self, panel,
sample_rate=input_rate)
+ self.scope = scopesink.scope_sink_f(self, panel,
sample_rate=input_rate,
+ frame_decim=options.frame_decim,
+ v_scale=options.v_scale,
+ t_scale=options.t_scale)
+ else:
+ self.scope = fftsink.fft_sink_f (self, panel, fft_size=1024,
sample_rate=input_rate,avg_alpha=0.1*2.0 / 15.0)
+
+ self.connect(self.fsrc, self.scope)
+
+ self._build_gui(vbox)
+
+ # set initial values
+
+ #if options.gain is None:
+ # # if no gain was specified, use the mid-point in dB
+ # g = self.subdev.gain_range()
+ # options.gain = float(g[0]+g[1])/2
+
+ #if options.freq is None:
+ # # if no freq was specified, use the mid-point
+ # r = self.subdev.freq_range()
+ # options.freq = float(r[0]+r[1])/2
+
+ #self.set_gain(options.gain)
+
+ if self.show_debug_info:
+ self.myform['decim'].set_value(1)#self.u.decim_rate())
+ self.myform['address@hidden'].set_value(1)#self.u.adc_freq() /
self.u.decim_rate())
+ self.myform['dbname'].set_value("")#self.subdev.name())
+ self.myform['baseband'].set_value(0)
+ self.myform['ddc'].set_value(0)
+
+ if not(self.set_freq(options.freq)):
+ self._set_status_msg("Failed to set initial frequency")
+
+ def _set_status_msg(self, msg):
+ self.frame.GetStatusBar().SetStatusText(msg, 0)
+
+ def _build_gui(self, vbox):
+
+ def _form_set_freq(kv):
+ return self.set_freq(kv['freq'])
+
+ vbox.Add(self.scope.win, 10, wx.EXPAND)
+
+ # add control area at the bottom
+ self.myform = myform = form.form()
+ hbox = wx.BoxSizer(wx.HORIZONTAL)
+ hbox.Add((5,0), 0, 0)
+ myform['freq'] = form.float_field(
+ parent=self.panel, sizer=hbox, label="Center freq", weight=1,
+ callback=myform.check_input_and_call(_form_set_freq,
self._set_status_msg))
+
+ hbox.Add((5,0), 0, 0)
+ g = (0,0)#self.subdev.gain_range()
+ myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox,
label="Gain",
+ weight=3,
+ min=int(g[0]), max=int(g[1]),
+ callback=self.set_gain)
+
+ hbox.Add((5,0), 0, 0)
+ vbox.Add(hbox, 0, wx.EXPAND)
+
+ self._build_subpanel(vbox)
+
+ def _build_subpanel(self, vbox_arg):
+ # build a secondary information panel (sometimes hidden)
+
+ # FIXME figure out how to have this be a subpanel that is always
+ # created, but has its visibility controlled by foo.Show(True/False)
+
+ def _form_set_decim(kv):
+ return self.set_decim(kv['decim'])
+
+ if not(self.show_debug_info):
+ return
+
+ panel = self.panel
+ vbox = vbox_arg
+ myform = self.myform
+
+ #panel = wx.Panel(self.panel, -1)
+ #vbox = wx.BoxSizer(wx.VERTICAL)
+
+ hbox = wx.BoxSizer(wx.HORIZONTAL)
+ hbox.Add((5,0), 0)
+
+ myform['decim'] = form.int_field(
+ parent=panel, sizer=hbox, label="Decim",
+ callback=myform.check_input_and_call(_form_set_decim,
self._set_status_msg))
+
+ hbox.Add((5,0), 1)
+ myform['address@hidden'] = form.static_float_field(
+ parent=panel, sizer=hbox, label="address@hidden")
+
+ hbox.Add((5,0), 1)
+ myform['dbname'] = form.static_text_field(
+ parent=panel, sizer=hbox)
+
+ hbox.Add((5,0), 1)
+ myform['baseband'] = form.static_float_field(
+ parent=panel, sizer=hbox, label="Analog BB")
+
+ hbox.Add((5,0), 1)
+ myform['ddc'] = form.static_float_field(
+ parent=panel, sizer=hbox, label="DDC")
+
+ hbox.Add((5,0), 0)
+ vbox.Add(hbox, 0, wx.EXPAND)
+
+
+ def set_freq(self, target_freq):
+ """
+ Set the center frequency we're interested in.
+
+ @param target_freq: frequency in Hz
+ @rypte: bool
+
+ Tuning is a two step process. First we ask the front-end to
+ tune as close to the desired frequency as it can. Then we use
+ the result of that operation and our target_frequency to
+ determine the value for the digital down converter.
+ """
+ #r = self.u.tune(0, self.subdev, target_freq)
+ r=False
+ if r:
+ self.myform['freq'].set_value(target_freq) # update displayed
value
+ if self.show_debug_info:
+ self.myform['baseband'].set_value(r.baseband_freq)
+ self.myform['ddc'].set_value(r.dxc_freq)
+ return True
+
+ return False
+
+ def set_gain(self, gain):
+ self.myform['gain'].set_value(gain) # update displayed value
+ #self.subdev.set_gain(gain)
+
+ def set_decim(self, decim):
+ ok = False #self.u.set_decim_rate(decim)
+ if not ok:
+ print "set_decim failed"
+ #input_rate = self.u.adc_freq() / self.u.decim_rate()
+ #self.scope.set_sample_rate(input_rate)
+ if self.show_debug_info: # update displayed values
+ self.myform['decim'].set_value(self.u.decim_rate())
+ self.myform['address@hidden'].set_value(self.u.adc_freq() /
self.u.decim_rate())
+ return ok
+
+def main ():
+ app = stdgui.stdapp(app_flow_graph, "USRP FFT", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_fft.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_rx_cfile.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_rx_cfile.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_rx_cfile.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -0,0 +1,113 @@
+#!/usr/bin/env python
+
+"""
+Read samples from the USRP and write to file formatted as binary
+outputs single precision complex float values or complex short values
(interleaved 16 bit signed short integers).
+
+"""
+
+from gnuradio import gr, eng_notation
+from gnuradio import audio
+from gnuradio import usrp
+from gnuradio import cxadc
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+class my_graph(gr.flow_graph):
+
+ def __init__(self):
+ gr.flow_graph.__init__(self)
+
+ usage="%prog: [options] output_filename"
+ parser = OptionParser(option_class=eng_option, usage=usage)
+ parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=(0,
0),
+ help="select USRP Rx side A or B (default=A)")
+ parser.add_option("-d", "--decim", type="int", default=16,
+ help="set fgpa decimation rate to DECIM
[default=%default]")
+ parser.add_option("-f", "--freq", type="eng_float", default=None,
+ help="set frequency to FREQ", metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=None,
+ help="set gain in dB (default is midpoint)")
+ parser.add_option( "-s","--output-shorts", action="store_true",
default=True,
+ help="output shorts (this is the default)")
+ parser.add_option( "-F","--output-floats", action="store_true",
default=False,
+ help="output floats")
+ parser.add_option("-N", "--nsamples", type="eng_float", default=None,
+ help="number of samples to collect [default=+inf]")
+ (options, args) = parser.parse_args ()
+ if len(args) != 1:
+ parser.print_help()
+ raise SystemExit, 1
+ filename = args[0]
+
+ if options.freq is None:
+ parser.print_help()
+ sys.stderr.write('You must specify the frequency with -f FREQ\n');
+ raise SystemExit, 1
+
+ # build the graph
+ #standard fpga firmware "std_2rxhb_2tx.rbf" contains 2 Rx paths with
halfband filters and 2 tx paths (the default) min decimation 8
+
+ self.u = usrp.source_c(decim_rate=options.decim)
+
+ adc_rate = (27.0/28.8)*32.0e6 #16.0e6 #27e6 #self.u.adc_rate()
# 64 MS/s
+
+ #// public shared_ptr constructor
+ #cxadc_source_sptr
+ #cxadc_make_source (double sampling_freq = 27e6,//sampling_freq is
ignored at the moment. TODO: implement sampling_freq
+ # int do_avg_frame=1,
+ # double frame_avg_alpha=0.01,
+ # const std::string dev = "/dev/cxadc") throw
(std::runtime_error);
+ if True: #options.input_shorts:
+ do_remove_dc=0
+ self.cxadc=cxadc.source (adc_rate,do_remove_dc,0.1,"/dev/cxadc")
+ else:
+ self.fsrc= cxadc.source_f (sampling_freq =
adc_rate,do_avg_frame=True,frame_avg_alpha=0.01,dev = "/dev/cxadc")
+
+
+ if options.output_floats:
+ self.fsrc=gr.short_to_float()
+ self.connect(self.cxadc,self.fsrc)
+ self.dst = gr.file_sink(gr.sizeof_float, filename)
+ self.src=self.fsrc
+ elif options.output_shorts:
+ self.dst = gr.file_sink(gr.sizeof_short, filename)
+ self.src=self.cxadc
+
+ if options.nsamples is None:
+ self.connect(self.src, self.dst)
+ else:
+ if options.output_shorts:
+ self.head = gr.head(gr.sizeof_short, int(options.nsamples))
+ else:
+ self.head = gr.head(gr.sizeof_float, int(options.nsamples))
+ self.connect(self.src, self.head, self.dst)
+
+ if options.rx_subdev_spec is None:
+ options.rx_subdev_spec = usrp.pick_rx_subdevice(self.u)
+ self.u.set_mux(usrp.determine_rx_mux_value(self.u,
options.rx_subdev_spec))
+
+ # determine the daughterboard subdevice we're using
+ self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec)
+ print "Using RX d'board %s" % (self.subdev.side_and_name(),)
+ input_rate = self.u.adc_freq() / self.u.decim_rate()
+ print "USB sample rate %s" % (eng_notation.num_to_str(input_rate))
+
+ if options.gain is None:
+ # if no gain was specified, use the mid-point in dB
+ g = self.subdev.gain_range()
+ options.gain = float(g[0]+g[1])/2
+
+ self.subdev.set_gain(options.gain)
+
+ r = self.u.tune(0, self.subdev, options.freq)
+ if not r:
+ sys.stderr.write('Failed to set frequency\n')
+ raise SystemExit, 1
+
+
+if __name__ == '__main__':
+ try:
+ my_graph().run()
+ except KeyboardInterrupt:
+ pass
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_rx_cfile.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -0,0 +1,322 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, eng_notation, optfir
+from gnuradio import audio
+from gnuradio import cxadc
+from gnuradio import usrp
+from gnuradio import blks
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import slider, powermate
+from gnuradio.wxgui import stdgui, fftsink, form
+from optparse import OptionParser
+import usrp_dbid
+import sys
+import math
+import wx
+
+def pick_subdevice(u):
+ """
+ The user didn't specify a subdevice on the command line.
+ Try for one of these, in order: TV_RX, BASIC_RX, whatever is on side A.
+
+ @return a subdev_spec
+ """
+ return usrp.pick_subdev(u, (usrp_dbid.TV_RX,
+ usrp_dbid.TV_RX_REV_2,
+ usrp_dbid.BASIC_RX))
+
+
+class wfm_rx_graph (stdgui.gui_flow_graph):
+ def __init__(self,frame,panel,vbox,argv):
+ stdgui.gui_flow_graph.__init__ (self,frame,panel,vbox,argv)
+
+ parser=OptionParser(option_class=eng_option)
+ parser.add_option("-R", "--rx-subdev-spec", type="subdev",
default=None,
+ help="select USRP Rx side A or B (default=A)")
+ parser.add_option("-f", "--freq", type="eng_float", default=100.1e6,
+ help="set frequency to FREQ", metavar="FREQ")
+ parser.add_option("-i", "--if-freq", type="eng_float", default=5.75e6,
+ help="give IF frequency of rf-frontend
[default=5.75e6] set to zero, if you have no frontend.", metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=40,
+ help="set gain in dB (default is midpoint)")
+ parser.add_option("-V", "--volume", type="eng_float", default=None,
+ help="set volume (default is midpoint)")
+ parser.add_option("-O", "--audio-output", type="string", default="",
+ help="pcm device name. E.g., hw:0,0 or surround51
or /dev/dsp")
+ parser.add_option( "-u","--use-usrp-for-tuning", action="store_true",
default=False,
+ help="use an usrp to tune a TVRX tuner frontend
(connect the IF-output to the video-in of the cx2388x capture card)")
+ (options, args) = parser.parse_args()
+ if len(args) != 0:
+ parser.print_help()
+ sys.exit(1)
+
+ self.frame = frame
+ self.panel = panel
+
+ self.vol = 0
+ self.state = "FREQ"
+ self.freq = 0
+
+ self.use_usrp_for_tuning=options.use_usrp_for_tuning
+ # build graph
+ if self.use_usrp_for_tuning:
+ self.u = usrp.source_c() # usrp is only used for
tuning TVRX of which you can connect the IF-output to the cx2388xx TV capture
card video-in
+ expected_crystal_freq=28.63636e6
+ actual_crystal_freq=32.0e6 #I modified my board with a 32 MHz crystal,
default this is a 28.63636e6 crystal or oscillator
+ default_resample_rate=27.0e6
+ resample_rate=default_resample_rate
+ adc_rate= resample_rate * actual_crystal_freq/expected_crystal_freq
+ #// public shared_ptr constructor
+ #cxadc_source_sptr
+ #cxadc_make_source (double sampling_freq = 27e6,//sampling_freq is
ignored at the moment. TODO: implement sampling_freq
+ # int do_avg_frame=1,
+ # double frame_avg_alpha=0.01,
+ # const std::string dev = "/dev/cxadc") throw
(std::runtime_error);
+ if True: #options.input_shorts:
+ do_remove_dc=1
+ self.cxadc=cxadc.source (adc_rate,do_remove_dc,0.1,"/dev/cxadc")
+ self.fsrc=gr.short_to_float()
+ #self.csrc= gr.interleaved_short_to_complex()
+ self.connect(self.cxadc,self.fsrc)
+ else:
+ self.fsrc= cxadc.source_f (sampling_freq =
adc_rate,do_avg_frame=True,frame_avg_alpha=0.01,dev = "/dev/cxadc")
+
+ #adc_rate = self.u.adc_rate() # 64 MS/s
+ cxadc_rate = adc_rate #/ usrp_decim # 320 kS/s
+ factor=1
+ chanfilt_decim = 100#100*factor
+ demod_rate = cxadc_rate / chanfilt_decim
+ audio_decimation = 10#10/factor
+ audio_rate = demod_rate / (1*audio_decimation) # 32 kHz
+
+ if self.use_usrp_for_tuning:
+ if options.rx_subdev_spec is None:
+ options.rx_subdev_spec = pick_subdevice(self.u)
+ self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec)
+ print "Using RX d'board %s" % (self.subdev.side_and_name(),)
+
+
+ #chan_filt_coeffs = optfir.low_pass (1, # gain
+ # cxadc_rate, # sampling rate
+ # 80e3, # passband cutoff
+ # 115e3, # stopband cutoff
+ # 0.1, # passband ripple
+ # 60) # stopband
attenuation
+ use_firdes=False
+ if use_firdes:
+ chan_filt_coeffs = gr.firdes.low_pass ( 1,
+ cxadc_rate,
+ 125.0e3, #100.0e3
+ 50.0e3 #20.0e3
+ )
+ else:
+ chan_filt_coeffs = optfir.low_pass (1, # gain
+ cxadc_rate, # sampling rate
+ 80e3, # passband cutoff
+ 1.5*115e3, # stopband
cutoff
+ 10*0.1, # passband ripple
+ 60) # stopband
attenuation
+ #print len(chan_filt_coeffs)
+ #chan_filt = gr.fir_filter_ccf (chanfilt_decim, chan_filt_coeffs)
+ chan_filt = gr.freq_xlating_fir_filter_fcf (chanfilt_decim,
chan_filt_coeffs, options.if_freq, adc_rate) #cxadc_rate)
+
+
+ self.guts = blks.wfm_rcv (self, demod_rate, audio_decimation)
+
+ self.volume_control = gr.multiply_const_ff(self.vol)
+
+ # sound card as final sink
+ audio_sink = audio.sink (int (audio_rate),
+ options.audio_output,
+ False) # ok_to_block
+
+ # now wire it all together
+ self.connect (self.fsrc, chan_filt, self.guts, self.volume_control,
audio_sink)
+
+ self._build_gui(vbox, cxadc_rate, demod_rate, audio_rate)
+
+ if options.gain is None:
+ # if no gain was specified, use the mid-point in dB
+ if self.use_usrp_for_tuning:
+ g = self.subdev.gain_range()
+ options.gain = float(g[0]+g[1])/2
+ else:
+ options.gain =0
+
+ if options.volume is None:
+ g = self.volume_range()
+ options.volume = float(g[0]+g[1])/2
+
+ if abs(options.freq) < 1e6:
+ options.freq *= 1e6
+
+ # set initial values
+
+ self.set_gain(options.gain)
+ self.set_vol(options.volume)
+ if not(self.set_freq(options.freq)):
+ self._set_status_msg("Failed to set initial frequency")
+
+
+ def _set_status_msg(self, msg, which=0):
+ self.frame.GetStatusBar().SetStatusText(msg, which)
+
+
+ def _build_gui(self, vbox, cxadc_rate, demod_rate, audio_rate):
+
+ def _form_set_freq(kv):
+ return self.set_freq(kv['freq'])
+
+
+ if 1:
+ self.src_fft = fftsink.fft_sink_f (self, self.panel, title="Data
from CXADC",
+ fft_size=512,
sample_rate=cxadc_rate)
+ self.connect (self.fsrc, self.src_fft)
+ vbox.Add (self.src_fft.win, 4, wx.EXPAND)
+
+ if 1:
+ post_filt_fft = fftsink.fft_sink_f (self, self.panel, title="Post
Demod",
+ fft_size=1024,
sample_rate=demod_rate,
+ y_per_div=10, ref_level=0)
+ self.connect (self.guts.fm_demod, post_filt_fft)
+ vbox.Add (post_filt_fft.win, 4, wx.EXPAND)
+
+ if 0:
+ post_deemph_fft = fftsink.fft_sink_f (self, self.panel,
title="Post Deemph",
+ fft_size=512,
sample_rate=audio_rate,
+ y_per_div=10, ref_level=-20)
+ self.connect (self.guts.deemph, post_deemph_fft)
+ vbox.Add (post_deemph_fft.win, 4, wx.EXPAND)
+
+
+ # control area form at bottom
+ self.myform = myform = form.form()
+
+ hbox = wx.BoxSizer(wx.HORIZONTAL)
+ hbox.Add((5,0), 0)
+ myform['freq'] = form.float_field(
+ parent=self.panel, sizer=hbox, label="Freq", weight=1,
+ callback=myform.check_input_and_call(_form_set_freq,
self._set_status_msg))
+
+ hbox.Add((5,0), 0)
+ myform['freq_slider'] = \
+ form.quantized_slider_field(parent=self.panel, sizer=hbox,
weight=3,
+ range=(87.9e6, 108.1e6, 0.1e6),
+ callback=self.set_freq)
+ hbox.Add((5,0), 0)
+ vbox.Add(hbox, 0, wx.EXPAND)
+
+ hbox = wx.BoxSizer(wx.HORIZONTAL)
+ hbox.Add((5,0), 0)
+
+ myform['volume'] = \
+ form.quantized_slider_field(parent=self.panel, sizer=hbox,
label="Volume",
+ weight=3, range=self.volume_range(),
+ callback=self.set_vol)
+ hbox.Add((5,0), 1)
+
+ if self.use_usrp_for_tuning:
+ self.gain_range=self.subdev.gain_range()
+ else:
+ self.gain_range=(0,0,1)
+ myform['gain'] = \
+ form.quantized_slider_field(parent=self.panel, sizer=hbox,
label="Gain",
+ weight=3, range=self.gain_range,
+ callback=self.set_gain)
+ hbox.Add((5,0), 0)
+ vbox.Add(hbox, 0, wx.EXPAND)
+
+ try:
+ self.knob = powermate.powermate(self.frame)
+ self.rot = 0
+ powermate.EVT_POWERMATE_ROTATE (self.frame, self.on_rotate)
+ powermate.EVT_POWERMATE_BUTTON (self.frame, self.on_button)
+ except:
+ print "FYI: No Powermate or Contour Knob found"
+
+
+ def on_rotate (self, event):
+ self.rot += event.delta
+ if (self.state == "FREQ"):
+ if self.rot >= 3:
+ self.set_freq(self.freq + .1e6)
+ self.rot -= 3
+ elif self.rot <=-3:
+ self.set_freq(self.freq - .1e6)
+ self.rot += 3
+ else:
+ step = self.volume_range()[2]
+ if self.rot >= 3:
+ self.set_vol(self.vol + step)
+ self.rot -= 3
+ elif self.rot <=-3:
+ self.set_vol(self.vol - step)
+ self.rot += 3
+
+ def on_button (self, event):
+ if event.value == 0: # button up
+ return
+ self.rot = 0
+ if self.state == "FREQ":
+ self.state = "VOL"
+ else:
+ self.state = "FREQ"
+ self.update_status_bar ()
+
+
+ def set_vol (self, vol):
+ g = self.volume_range()
+ self.vol = max(g[0], min(g[1], vol))
+ self.volume_control.set_k(10**(self.vol/10))
+ self.myform['volume'].set_value(self.vol)
+ self.update_status_bar ()
+
+ def set_freq(self, target_freq):
+ """
+ Set the center frequency we're interested in.
+
+ @param target_freq: frequency in Hz
+ @rypte: bool
+
+ Tuning is a two step process. First we ask the front-end to
+ tune as close to the desired frequency as it can. Then we use
+ the result of that operation and our target_frequency to
+ determine the value for the digital down converter.
+ """
+ if self.use_usrp_for_tuning:
+ r = usrp.tune(self.u, 0, self.subdev, target_freq)
+
+ if r:
+ self.freq = target_freq
+ self.myform['freq'].set_value(target_freq) # update
displayed value
+ self.myform['freq_slider'].set_value(target_freq) # update
displayed value
+ self.update_status_bar()
+ self._set_status_msg("OK", 0)
+ return True
+
+ self._set_status_msg("Failed", 0)
+ return False
+ else:
+ print "Not implemented yet"
+ self._set_status_msg("Failed", 0)
+ return False
+
+ def set_gain(self, gain):
+ self.myform['gain'].set_value(gain) # update displayed value
+ if self.use_usrp_for_tuning:
+ self.subdev.set_gain(gain)
+ else:
+ print "Not implemented yet"
+
+ def update_status_bar (self):
+ msg = "Volume:%r Setting:%s" % (self.vol, self.state)
+ self._set_status_msg(msg, 1)
+ self.src_fft.set_baseband_freq(self.freq)
+
+ def volume_range(self):
+ return (-20.0, 0.0, 0.5)
+
+
+if __name__ == '__main__':
+ app = stdgui.stdapp (wfm_rx_graph, "CXADC WFM RX")
+ app.MainLoop ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv_nogui.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv_nogui.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv_nogui.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -0,0 +1,192 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, eng_notation, optfir
+from gnuradio import audio
+from gnuradio import usrp
+from gnuradio import cxadc
+from gnuradio import blks
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import usrp_dbid
+import sys
+import math
+
+def pick_subdevice(u):
+ """
+ The user didn't specify a subdevice on the command line.
+ Try for one of these, in order: TV_RX, BASIC_RX, whatever is on side A.
+
+ @return a subdev_spec
+ """
+ return usrp.pick_subdev(u, (usrp_dbid.TV_RX,
+ usrp_dbid.TV_RX_REV_2,
+ usrp_dbid.BASIC_RX))
+
+
+class wfm_rx_graph (gr.flow_graph):
+
+ def __init__(self):
+ gr.flow_graph.__init__(self)
+
+ parser=OptionParser(option_class=eng_option)
+ parser.add_option("-R", "--rx-subdev-spec", type="subdev",
default=None,
+ help="select USRP Rx side A or B (default=A)")
+ parser.add_option("-f", "--freq", type="eng_float", default=100.1e6,
+ help="set frequency to FREQ", metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=None,
+ help="set gain in dB (default is midpoint)")
+ parser.add_option("-O", "--audio-output", type="string", default="",
+ help="pcm device name. E.g., hw:0,0 or surround51
or /dev/dsp")
+
+ (options, args) = parser.parse_args()
+ if len(args) != 0:
+ parser.print_help()
+ sys.exit(1)
+
+ self.vol = .1
+ self.state = "FREQ"
+ self.freq = 0
+
+ # build graph
+
+ self.u = usrp.source_c() # usrp is data source
+ expected_crystal_freq=28.63636e6
+ actual_crystal_freq=32.0e6 #I modified my board with a 32 MHz crystal,
default this is a 28.63636e6 crystal or oscillator
+ default_resample_rate=27.0e6
+ resample_rate=default_resample_rate
+ adc_rate= resample_rate * actual_crystal_freq/expected_crystal_freq
+ #// public shared_ptr constructor
+ #cxadc_source_sptr
+ #cxadc_make_source (double sampling_freq = 27e6,//sampling_freq is
ignored at the moment. TODO: implement sampling_freq
+ # int do_avg_frame=1,
+ # double frame_avg_alpha=0.01,
+ # const std::string dev = "/dev/cxadc") throw
(std::runtime_error);
+ if True: #options.input_shorts:
+ do_remove_dc=1
+ self.cxadc=cxadc.source (adc_rate,do_remove_dc,0.1,"/dev/cxadc")
+ self.fsrc=gr.short_to_float()
+ #self.csrc= gr.interleaved_short_to_complex()
+ self.connect(self.cxadc,self.fsrc)
+ else:
+ self.fsrc= cxadc.source_f (sampling_freq =
adc_rate,do_avg_frame=True,frame_avg_alpha=0.01,dev = "/dev/cxadc")
+
+
+ #usrp_decim = 200
+ #self.u.set_decim_rate(usrp_decim)
+ usrp_rate = adc_rate #/ usrp_decim # 320 kS/s
+ factor=1
+ chanfilt_decim = 100#100*factor
+ demod_rate = usrp_rate / chanfilt_decim
+ audio_decimation = 10#10/factor
+ audio_rate = demod_rate / (1*audio_decimation) # 32 kHz
+ print "adc_rate",adc_rate
+ print "demod_rate",demod_rate
+ print "audio_rate",audio_rate
+
+
+ if options.rx_subdev_spec is None:
+ options.rx_subdev_spec = pick_subdevice(self.u)
+
+ self.u.set_mux(usrp.determine_rx_mux_value(self.u,
options.rx_subdev_spec))
+ self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec)
+ print "Using RX d'board %s" % (self.subdev.side_and_name(),)
+
+
+ #chan_filt_coeffs = optfir.low_pass (1, # gain
+ # usrp_rate, # sampling rate
+ # 80e3, # passband cutoff
+ # 115e3, # stopband cutoff
+ # 0.1, # passband ripple
+ # 60) # stopband
attenuation
+ use_firdes=False
+ if use_firdes:
+ chan_filt_coeffs = gr.firdes.low_pass ( 1,
+ usrp_rate,
+ 125.0e3, #100.0e3
+ 50.0e3 #20.0e3
+ )
+ else:
+ chan_filt_coeffs = optfir.low_pass (1, # gain
+ usrp_rate, # sampling rate
+ 80e3, # passband cutoff
+ 1.5*115e3, # stopband
cutoff
+ 10*0.1, # passband ripple
+ 60) # stopband
attenuation
+ #print len(chan_filt_coeffs)
+ #chan_filt = gr.fir_filter_ccf (chanfilt_decim, chan_filt_coeffs)
+ chan_filt = gr.freq_xlating_fir_filter_fcf (chanfilt_decim,
chan_filt_coeffs, 5.75e6, adc_rate) #usrp_rate)
+
+ self.guts = blks.wfm_rcv (self, demod_rate, audio_decimation)
+
+ self.volume_control = gr.multiply_const_ff(self.vol)
+
+ # sound card as final sink
+ audio_sink = audio.sink(int(audio_rate),
+ options.audio_output,
+ False) # ok_to_block
+
+ # now wire it all together
+ self.connect (self.fsrc, chan_filt, self.guts, self.volume_control,
audio_sink)
+
+
+ if options.gain is None:
+ # if no gain was specified, use the mid-point in dB
+ g = self.subdev.gain_range()
+ options.gain = float(g[0]+g[1])/2
+
+ if abs(options.freq) < 1e6:
+ options.freq *= 1e6
+
+ # set initial values
+
+ self.set_gain(options.gain)
+
+ if not(self.set_freq(options.freq)):
+ self._set_status_msg("Failed to set initial frequency")
+
+ def set_vol (self, vol):
+ self.vol = vol
+ self.volume_control.set_k(self.vol)
+ self.update_status_bar ()
+
+ def set_freq(self, target_freq):
+ """
+ Set the center frequency we're interested in.
+
+ @param target_freq: frequency in Hz
+ @rypte: bool
+
+ Tuning is a two step process. First we ask the front-end to
+ tune as close to the desired frequency as it can. Then we use
+ the result of that operation and our target_frequency to
+ determine the value for the digital down converter.
+ """
+ r = self.u.tune(0, self.subdev, target_freq)
+
+ if r:
+ self.freq = target_freq
+ self.update_status_bar()
+ self._set_status_msg("OK", 0)
+ return True
+
+ self._set_status_msg("Failed", 0)
+ return False
+
+ def set_gain(self, gain):
+ self.subdev.set_gain(gain)
+
+ def update_status_bar (self):
+ msg = "Freq: %s Volume:%f Setting:%s" % (
+ eng_notation.num_to_str(self.freq), self.vol, self.state)
+ self._set_status_msg(msg, 1)
+
+ def _set_status_msg(self, msg, which=0):
+ print msg
+
+
+if __name__ == '__main__':
+ fg = wfm_rx_graph()
+ try:
+ fg.run()
+ except KeyboardInterrupt:
+ pass
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/cxadc/cxadc_wfm_rcv_nogui.py
___________________________________________________________________
Name: svn:executable
+ *
Modified:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/usrp/usrp_fmtv_rcv.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/usrp/usrp_fmtv_rcv.py
2007-04-12 00:39:02 UTC (rev 4959)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/usrp/usrp_fmtv_rcv.py
2007-04-12 00:48:22 UTC (rev 4960)
@@ -15,6 +15,11 @@
except:
print "FYI: gr-video-sdl is not installed"
print "realtime SDL video output window will not be available"
+try:
+ from gnuradio import video_analog
+except:
+ print "FYI: gr-video-analog is not installed"
+ print "simple ntsc-sync will not be available"
from gnuradio import usrp
from gnuradio import blks
from gnuradio.eng_option import eng_option
@@ -217,6 +222,12 @@
fm_demod_gain = 1.0 * 255.0 * usrp_rate/(2*math.pi*max_dev) #have to
invert because is inverted again later on in the contrat block
self.fm_demod = gr.quadrature_demod_cf (fm_demod_gain)
self.connect (self.src, self.fm_demod, self.invert_and_scale,
self.set_blacklevel,f2uc,self.dst) #self.invert_and_scale
+ elif process_type=='do_fm_ntscsync':
+ self.ntsc_detector = video_analog.field_detector_fub (usrp_rate)
+ max_dev = 4.0e6
+ fm_demod_gain = 1.0 * 255.0 * usrp_rate/(2*math.pi*max_dev) #have to
invert because is inverted again later on in the contrat block
+ self.fm_demod = gr.quadrature_demod_cf (fm_demod_gain)
+ self.connect (self.src, self.fm_demod, self.ntsc_detector,self.dst)
elif process_type=='do_fm_sync_corr':
frame_size=width*height #int(usrp_rate/25.0)
tv_corr=gr.tv_correlator_ff(frame_size,nframes, search_window,
video_alpha, corr_alpha,debug) #Note: this block is not yet in cvs
@@ -299,7 +310,7 @@
hbox.Add((5,0), 0)
myform['freq_slider'] = \
form.quantized_slider_field(parent=self.panel, sizer=hbox,
weight=3,
- range=(800.0e6, 2600.0e6, 1.0e6),
+ range=(400.0e6, 2600.0e6, 1.0e6),
callback=self.set_freq)
hbox.Add((5,0), 0)
vbox.Add(hbox, 0, wx.EXPAND)
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- [Commit-gnuradio] r4960 - in gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python: . cxadc usrp,
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