From 1dcc69dbebd9fac1b7277657223369e3e9b19b7b Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Mon, 12 Sep 2011 14:28:10 -0400
Subject: shd: adding a very rudimentary siggen application to test gr-shd tx
driver.
---
gr-shd/apps/shd_siggen.py | 120 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 120 insertions(+)
create mode 100755 gr-shd/apps/shd_siggen.py
(limited to 'gr-shd/apps/shd_siggen.py')
diff --git a/gr-shd/apps/shd_siggen.py b/gr-shd/apps/shd_siggen.py
new file mode 100755
index 0000000000..9eef015874
--- /dev/null
+++ b/gr-shd/apps/shd_siggen.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+#
+# Copyright 2011 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 a SHD device 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 shd
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import sys
+
+n2s = eng_notation.num_to_str
+
+class shd_siggen(gr.top_block):
+
+ def __init__(self, options):
+ gr.top_block.__init__(self)
+
+ self._src = gr.sig_source_c(options.samp_rate, gr.GR_SIN_WAVE,
+ 200, 1)
+
+ self._snk = shd.xmini_sink(device_addr=options.address,
+ io_type=shd.io_type.COMPLEX_FLOAT32,
+ num_channels=1)
+
+ # Set receiver sample rate
+ self._snk.set_samp_rate(options.samp_rate)
+
+ # Set receive daughterboard gain
+ if options.gain is None:
+ g = self._snk.get_gain_range()
+ options.gain = float(g.start()+g.stop())/2
+ print "Using mid-point gain of", \
+ options.gain, "(", g.start(), "-", g.stop(), ")"
+ self._snk.set_gain(options.gain)
+
+ # Set the antenna
+ if(options.antenna):
+ self._snk.set_antenna(options.antenna, 0)
+
+ # Set frequency (tune request takes lo_offset)
+ if(options.lo_offset is not None):
+ treq = shd.tune_request(options.freq, options.lo_offset)
+ else:
+ treq = shd.tune_request(options.freq)
+ tr = self._snk.set_center_freq(treq)
+ if tr == None:
+ sys.stderr.write('Failed to set center frequency\n')
+ raise SystemExit, 1
+
+ # Create head block if needed and wire it up
+ self.connect(self._src, self._snk)
+ input_rate = self._snk.get_samp_rate()
+
+ if options.verbose:
+ print "Address:", options.address
+ print "Rx gain:", options.gain
+ print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
+ print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
+ print "Rx Sample Rate:", n2s(input_rate)
+
+def get_options():
+ usage="%prog: [options]"
+ parser = OptionParser(option_class=eng_option, usage=usage)
+ parser.add_option("-a", "--address", type="string", default="type=xmini",
+ help="Address of SHD device, [default=%default]")
+ parser.add_option("-A", "--antenna", type="string", default=None,
+ help="select Rx Antenna where appropriate")
+ parser.add_option("", "--samp-rate", type="eng_float", default=1e6,
+ help="set sample rate (bandwidth) [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("-v", "--verbose", action="store_true", default=False,
+ help="verbose output")
+ parser.add_option("", "--lo-offset", type="eng_float", default=None,
+ help="set daughterboard LO offset to OFFSET [default=hw default]")
+
+ (options, args) = parser.parse_args ()
+
+ if options.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 = shd_siggen(options)
+
+ try:
+ tb.run()
+ except KeyboardInterrupt:
+ pass
--
cgit v1.2.3
From b205e8cda30fb3a20e2d0d0409c12e58417d92f3 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 4 Oct 2011 12:56:09 -0400
Subject: shd: changed gr-shd names from xmini to smini
---
gr-shd/apps/shd_fft.py | 25 +++++++++++--------------
gr-shd/apps/shd_rx_cfile.py | 4 ++--
gr-shd/apps/shd_siggen.py | 2 +-
3 files changed, 14 insertions(+), 17 deletions(-)
(limited to 'gr-shd/apps/shd_siggen.py')
diff --git a/gr-shd/apps/shd_fft.py b/gr-shd/apps/shd_fft.py
index 42f0e18b0d..81e84d3836 100755
--- a/gr-shd/apps/shd_fft.py
+++ b/gr-shd/apps/shd_fft.py
@@ -39,7 +39,8 @@ class app_top_block(stdgui2.std_top_block):
self.panel = panel
parser = OptionParser(option_class=eng_option)
- parser.add_option("-a", "--address", type="string", default="type=xmini",
+ parser.add_option("-a", "--address", type="string",
+ default="type=xmini",
help="Address of SHD device, [default=%default]")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
@@ -66,23 +67,13 @@ class app_top_block(stdgui2.std_top_block):
self.options = options
self.show_debug_info = True
- self.src = shd.xmini_source(device_addr=options.address,
- io_type=shd.io_type.COMPLEX_FLOAT32,
- num_channels=1)
+ self.src = shd.smini_source(device_addr=options.address,
+ io_type=shd.io_type.COMPLEX_FLOAT32,
+ num_channels=1)
self.src.set_samp_rate(options.samp_rate)
input_rate = self.src.get_samp_rate()
- print "Antenna: ", self.src.get_antenna()
- print "Antennas: ", self.src.get_antennas()
- print "Dboard: ", self.src.get_dboard_iface()
- print "Device: ", self.src.get_device
- print "Center Freq: ", self.src.get_center_freq()
- print "Freq Range: ", self.src.get_freq_range()
- print "Gain: ", self.src.get_gain()
- print "Gain Names: ", self.src.get_gain_names()
- print "Gain Range: ", self.src.get_gain_range()
-
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024,
@@ -133,6 +124,12 @@ class app_top_block(stdgui2.std_top_block):
if not(self.set_freq(options.freq)):
self._set_status_msg("Failed to set initial frequency")
+ print "Center Freq: ", self.src.get_center_freq()
+ print "Freq Range: ", self.src.get_freq_range()
+ print "Gain: ", self.src.get_gain()
+ print "Gain Names: ", self.src.get_gain_names()
+ print "Gain Range: ", self.src.get_gain_range()
+
def _set_status_msg(self, msg):
self.frame.GetStatusBar().SetStatusText(msg, 0)
diff --git a/gr-shd/apps/shd_rx_cfile.py b/gr-shd/apps/shd_rx_cfile.py
index 7ba16b4c4e..007bc809f2 100755
--- a/gr-shd/apps/shd_rx_cfile.py
+++ b/gr-shd/apps/shd_rx_cfile.py
@@ -41,12 +41,12 @@ class rx_cfile_block(gr.top_block):
# Create a SHD device source
if options.output_shorts:
- self._src = shd.xmini_source(device_addr=options.address,
+ self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_INT16,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_short*2, filename)
else:
- self._src = shd.xmini_source(device_addr=options.address,
+ self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_gr_complex, filename)
diff --git a/gr-shd/apps/shd_siggen.py b/gr-shd/apps/shd_siggen.py
index 9eef015874..112eeea159 100755
--- a/gr-shd/apps/shd_siggen.py
+++ b/gr-shd/apps/shd_siggen.py
@@ -42,7 +42,7 @@ class shd_siggen(gr.top_block):
self._src = gr.sig_source_c(options.samp_rate, gr.GR_SIN_WAVE,
200, 1)
- self._snk = shd.xmini_sink(device_addr=options.address,
+ self._snk = shd.smini_sink(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
--
cgit v1.2.3