diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2006-08-03 04:51:51 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2006-08-03 04:51:51 +0000 |
| commit | 5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch) | |
| tree | b71312bf7f1e8d10fef0f3ac6f28784065e73e72 /gnuradio-examples/python/usrp/dsb_tx.py | |
Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/usrp/dsb_tx.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/dsb_tx.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnuradio-examples/python/usrp/dsb_tx.py b/gnuradio-examples/python/usrp/dsb_tx.py new file mode 100755 index 0000000000..df65761cd4 --- /dev/null +++ b/gnuradio-examples/python/usrp/dsb_tx.py @@ -0,0 +1,51 @@ +#!/usr/bin/env python + +from gnuradio import gr, eng_notation +from gnuradio import usrp +from gnuradio import audio +from gnuradio.eng_option import eng_option +from optparse import OptionParser + + +def build_graph (cordic_freq): + + audio_rate = 32000 + sw_interp = 4 + usrp_interp = 1000 + audio_file = "/home/eb/demo/testing-audio.dat" + + fg = gr.flow_graph () + + src = gr.file_source (gr.sizeof_float, audio_file, True) + gain = gr.multiply_const_ff (10000) + + interp = gr.interp_fir_filter_fff (sw_interp, (1, 1, 1, 1)) + + f2c = gr.float_to_complex () + + u = usrp.sink_c (0, usrp_interp) + u.set_tx_freq (0, cordic_freq) + + fg.connect (src, gain) + fg.connect (gain, interp) + fg.connect (interp, (f2c, 0)) + fg.connect (interp, (f2c, 1)) + fg.connect (f2c, u) + + return fg + +def main (): + parser = OptionParser (option_class=eng_option) + parser.add_option ("-c", "--cordic-freq", type="eng_float", default=10e6, + help="set Tx cordic frequency to FREQ", metavar="FREQ") + (options, args) = parser.parse_args () + + print "cordic_freq = %s" % (eng_notation.num_to_str (options.cordic_freq)) + fg = build_graph (options.cordic_freq) + + fg.start () + raw_input ('Press Enter to quit: ') + fg.stop () + +if __name__ == '__main__': + main () |