Removed old USRP driver version. We are UHD-only now.
This commit is contained in:
Nick Foster
@@ -1,183 +0,0 @@
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#!/usr/bin/env python
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from gnuradio import gr, gru, usrp, optfir, eng_notation, blks2, air
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from gnuradio.eng_option import eng_option
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from optparse import OptionParser
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import time, os, sys
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from string import split, join
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from usrpm import usrp_dbid
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from modes_print import modes_print
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from modes_sql import modes_sql
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import gnuradio.gr.gr_threading as _threading
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import MySQLdb
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class top_block_runner(_threading.Thread):
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def __init__(self, tb):
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_threading.Thread.__init__(self)
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self.setDaemon(1)
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self.tb = tb
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self.done = False
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self.start()
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def run(self):
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self.tb.run()
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self.done = True
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def pick_subdevice(u):
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#this should pick which USRP subdevice if none was specified on the command line
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#since the only thing that will receive ADS-B appears to be the DBSRX, we'll default to that
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return usrp.pick_subdev(u, (usrp_dbid.DBS_RX,
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usrp_dbid.DBS_RX_REV_2_1,
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usrp_dbid.BASIC_RX))
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"""
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The following are optional command line parameters:
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-R SUBDEV Daughter board specification, defaults to first found
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-f FREQ USRP receive frequency (1090 MHz Default)
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-g GAIN Daughterboard gain setting. Defaults to mid-range.
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-d DECIM USRP decimation rate
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-t THRESH Receiver valid pulse threshold
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-a Output all frames. Defaults only output frames
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Once the program is running, ctrl-break (Ctrl-C) stops operation.
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"""
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class adsb_rx_block (gr.top_block):
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def __init__(self, options, args, queue):
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gr.top_block.__init__(self)
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self.options = options
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self.args = args
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if options.filename is None:
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if options.decim < 8:
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self.fpga_filename="std_4rx_0tx.rbf" #can go down to decim 4
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self.u = usrp.source_c(fpga_filename=self.fpga_filename)
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else :
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self.u = usrp.source_c()
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if options.rx_subdev_spec is None:
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options.rx_subdev_spec = pick_subdevice(self.u)
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self.u.set_mux(usrp.determine_rx_mux_value(self.u, options.rx_subdev_spec))
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self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec)
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print "Using RX d'board %s" % (self.subdev.side_and_name(),)
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self.u.set_decim_rate(options.decim)
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if options.gain is None: #set to halfway
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g = self.subdev.gain_range()
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options.gain = (g[0]+g[1]) / 2.0
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if not(self.tune(options.freq)):
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print "Failed to set initial frequency"
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print "Setting gain to %i" % (options.gain,)
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self.subdev.set_gain(options.gain)
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#self.subdev.set_bw(self.options.bandwidth) #only for DBSRX
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rate = self.u.adc_rate() / options.decim
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else:
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rate = int(64e6 / options.decim)
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self.u = gr.file_source(gr.sizeof_gr_complex, options.filename)
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print "Rate is %i" % (rate,)
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pass_all = 0
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if options.output_all :
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pass_all = 1
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self.demod = gr.complex_to_mag()
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self.avg = gr.moving_average_ff(100, 1.0/100, 400);
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self.preamble = air.modes_preamble(rate, options.threshold)
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self.framer = air.modes_framer(rate)
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self.slicer = air.modes_slicer(rate, queue)
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if options.decim < 16:
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#there's a really nasty spur at 1088 caused by a multiple of the USRP xtal. if you use a decimation of 16, it gets filtered out by the CIC. if not, it really fucks with you unless you filter it out.
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filter_coeffs = gr.firdes.band_reject(1.0, rate, 1.7e6, 2.3e6, 0.5e6, gr.firdes.WIN_HAMMING)
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self.filt = gr.fir_filter_ccf(1, filter_coeffs)
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self.connect(self.u, self.filt)
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else:
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self.filt = self.u
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self.connect(self.filt, self.demod)
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self.connect(self.demod, self.avg)
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self.connect(self.demod, (self.preamble, 0))
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self.connect(self.avg, (self.preamble, 1))
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self.connect(self.demod, (self.framer, 0))
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self.connect(self.preamble, (self.framer, 1))
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self.connect(self.demod, (self.slicer, 0))
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self.connect(self.framer, (self.slicer, 1))
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def tune(self, freq):
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result = usrp.tune(self.u, 0, self.subdev, freq)
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return True
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if __name__ == '__main__':
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usage = "%prog: [options] output filename"
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parser = OptionParser(option_class=eng_option, usage=usage)
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parser.add_option("-R", "--rx-subdev-spec", type="subdev",
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help="select USRP Rx side A or B", metavar="SUBDEV")
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parser.add_option("-f", "--freq", type="eng_float", default=1090e6,
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help="set receive frequency in Hz [default=%default]", metavar="FREQ")
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parser.add_option("-g", "--gain", type="int", default=None,
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help="set RF gain", metavar="dB")
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parser.add_option("-d", "--decim", type="int", default=16,
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help="set fgpa decimation rate [default=%default]")
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parser.add_option("-T", "--threshold", type="eng_float", default=3.0,
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help="set pulse detection threshold above noise in dB [default=%default]")
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parser.add_option("-a","--output-all", action="store_true", default=False,
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help="output all frames")
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parser.add_option("-b","--bandwidth", type="eng_float", default=5e6,
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help="set DBSRX front-end bandwidth in Hz [default=5e6]")
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parser.add_option("-F","--filename", type="string", default=None,
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help="read data from file instead of USRP")
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parser.add_option("-D","--database", action="store_true", default=False,
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help="send to database instead of printing to screen")
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(options, args) = parser.parse_args()
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# if len(args) != 1:
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# parser.print_help()
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# sys.exit(1)
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# filename = args[0]
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queue = gr.msg_queue()
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if options.database is True:
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db = MySQLdb.connect(host="localhost", user="planes", passwd="planes", db="planes")
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fg = adsb_rx_block(options, args, queue)
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runner = top_block_runner(fg)
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while 1:
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try:
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if queue.empty_p() == 0 :
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while queue.empty_p() == 0 :
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msg = queue.delete_head() #blocking read
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if options.database is False:
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print modes_print(msg.to_string())
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else:
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query = modes_sql(msg.to_string())
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if query is not None:
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c = db.cursor()
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c.execute(query)
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elif runner.done:
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break
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else:
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time.sleep(0.1)
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except KeyboardInterrupt:
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fg.stop()
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runner = None
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break
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