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authorpiotr <Piotr Krysik pkrysik@elka.pw.edu.pl>2014-07-20 23:40:36 +0200
committerpiotr <Piotr Krysik pkrysik@elka.pw.edu.pl>2014-07-20 23:40:36 +0200
commit9d5d86362eed527236366023ab0fa4e1b03ac6e7 (patch)
tree61ea903af720698c14c4543c8a21fd6492a24d68 /examples
parent6b78abc7bde9fafe1559208c16b282096af81a52 (diff)
Removed gnuradio-companion generated python file from examples
Diffstat (limited to 'examples')
-rwxr-xr-xexamples/gsm_receiver_usrp_channelizer_python.py208
1 files changed, 0 insertions, 208 deletions
diff --git a/examples/gsm_receiver_usrp_channelizer_python.py b/examples/gsm_receiver_usrp_channelizer_python.py
deleted file mode 100755
index e769472..0000000
--- a/examples/gsm_receiver_usrp_channelizer_python.py
+++ /dev/null
@@ -1,208 +0,0 @@
-#!/usr/bin/env python
-##################################################
-# Gnuradio Python Flow Graph
-# Title: Gsm Receiver Usrp Channelizer Python
-# Generated: Sun Feb 9 12:46:36 2014
-##################################################
-
-from gnuradio import blocks
-from gnuradio import eng_notation
-from gnuradio import gr
-from gnuradio import uhd
-from gnuradio.eng_option import eng_option
-from gnuradio.filter import firdes
-from gnuradio.filter import pfb
-from optparse import OptionParser
-import gsm
-import time
-from numpy import fft
-
-
-class gsm_receiver_usrp_channelizer_python(gr.top_block):
-
- def __init__(self, length=0.2, gain=25, channelizer_osr=1, fc=937e6, usrp_decim=4, fs=100e6):
- gr.top_block.__init__(self, "Gsm Receiver Usrp Channelizer Python")
-
- ##################################################
- # Parameters
- ##################################################
- self.length = length
- self.gain = gain
- self.channelizer_osr = channelizer_osr
- self.fc = fc
- self.usrp_decim = usrp_decim
- self.channels_num = int(round(fs/usrp_decim/200e3))
- self.fs = fs
-
- ##################################################
- # Variables
- ##################################################
- self.samp_rate = 100e6/self.usrp_decim
- self.samp_rate_channelizer_out = self.samp_rate/self.channels_num*channelizer_osr
- self.freqs = fft.fftfreq(self.channels_num,1/self.samp_rate)+self.fc
- self.arfcns = get_arfcns_from_freqs(self.freqs,"e")
- print self.freqs
- print self.arfcns
-
- ##################################################
- # Blocks
- ##################################################
- self.uhd_usrp_source_0 = uhd.usrp_source(
- device_addr="addr=192.168.11.2",
- stream_args=uhd.stream_args(
- cpu_format="fc32",
- otw_format="sc16",
- channels=range(1),
- ),
- )
- self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
- self.uhd_usrp_source_0.set_center_freq(fc, 0)
- self.uhd_usrp_source_0.set_gain(gain, 0)
- self.pfb_channelizer_ccf_0 = pfb.channelizer_ccf(
- self.channels_num,
- (),
- channelizer_osr,
- 100)
- self.pfb_channelizer_ccf_0.set_channel_map(([]))
-
- self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex*1, int(self.samp_rate*length))
- self.gsm_bursts_printer_0 = gsm.bursts_printer()
-
- self.connect((self.uhd_usrp_source_0, 0), (self.blocks_head_0, 0))
- self.connect((self.blocks_head_0, 0), (self.pfb_channelizer_ccf_0, 0))
-
- self.gsm_receiver_hier = {}
-
- for ii in xrange(0,self.channels_num):
- self.gsm_receiver_hier[ii] = gsm.receiver_hier(self.samp_rate_channelizer_out, 4, int(self.freqs[ii]/1e5))
- self.connect((self.pfb_channelizer_ccf_0, ii), (self.gsm_receiver_hier[ii], 0))
- self.msg_connect(self.gsm_receiver_hier[ii], "bursts", self.gsm_bursts_printer_0, "bursts")
-
-
-# QT sink close method reimplementation
-
- def get_length(self):
- return self.length
-
- def set_length(self, length):
- self.length = length
-
- def get_gain(self):
- return self.gain
-
- def set_gain(self, gain):
- self.gain = gain
- self.uhd_usrp_source_0.set_gain(self.gain, 0)
-
- def get_channelizer_osr(self):
- return self.channelizer_osr
-
- def set_channelizer_osr(self, channelizer_osr):
- self.channelizer_osr = channelizer_osr
- self.set_samp_rate_channelizer_out(self.samp_rate/self.channels_num*self.channelizer_osr)
-
- def get_fc(self):
- return self.fc
-
- def set_fc(self, fc):
- self.fc = fc
- self.uhd_usrp_source_0.set_center_freq(self.fc, 0)
-
- def get_usrp_decim(self):
- return self.usrp_decim
-
- def set_usrp_decim(self, usrp_decim):
- self.usrp_decim = usrp_decim
- self.set_samp_rate(100e6/self.usrp_decim)
-
- def get_channels_num(self):
- return self.channels_num
-
- def set_channels_num(self, channels_num):
- self.channels_num = channels_num
- self.set_samp_rate_channelizer_out(self.samp_rate/self.channels_num*self.channelizer_osr)
-
- def get_fs(self):
- return self.fs
-
- def set_fs(self, fs):
- self.fs = fs
-
- def get_samp_rate(self):
- return self.samp_rate
-
- def set_samp_rate(self, samp_rate):
- self.samp_rate = samp_rate
- self.set_samp_rate_channelizer_out(self.samp_rate/self.channels_num*self.channelizer_osr)
- self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
-
- def get_samp_rate_channelizer_out(self):
- return self.samp_rate_channelizer_out
-
- def set_samp_rate_channelizer_out(self, samp_rate_channelizer_out):
- self.samp_rate_channelizer_out = samp_rate_channelizer_out
-
-def get_arfcns_from_freqs(freqs,region):
- arfcns = {}
- for ii in xrange(0,len(freqs)):
- arfcns[ii] = get_arfcn_from_freq(freqs[ii],region)
-
- return arfcns
-
-def get_arfcn_from_freq(freq,region):
- freq = freq / 1e6
- # GSM 450
- if freq <= 450.6 + 0.2*(293 - 259) + 10:
- arfcn = ((freq - (450.6 + 10)) / 0.2) + 259
- # GSM 480
- elif freq <= 479 + 0.2*(340 - 306) + 10:
- arfcn = ((freq - (479 + 10)) / 0.2) + 306
- # GSM 850
- elif freq <= 824.2 + 0.2*(251 - 128) + 45:
- arfcn = ((freq - (824.2 + 45)) / 0.2) + 128
- #E/R-GSM 900
- elif freq <= 890 + 0.2*(1023 - 1024) + 45:
- arfcn = ((freq - (890 + 45)) / -0.2) + 955
- # GSM 900
- elif freq <= 890 + 0.2*124 + 45:
- arfcn = (freq - (890 + 45)) / 0.2
- else:
- if region is "u":
- if freq > 1850.2 + 0.2*(810 - 512) + 80:
- arfcn = 0;
- else:
- arfcn = (freq - (1850.2 + 80) / 0.2) + 512
- elif region is "e":
- if freq > 1710.2 + 0.2*(885 - 512) + 95:
- arfcn = 0;
- else:
- arfcn = (freq - (1710.2 + 95) / 0.2) + 512
- else:
- arfcn = 0
-
- if arfcn<0:
- return 255
- else:
- return round(arfcn)
-
-
-if __name__ == '__main__':
- parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
- parser.add_option("", "--length", dest="length", type="eng_float", default=eng_notation.num_to_str(0.2),
- help="Set length [default=%default]")
- parser.add_option("", "--gain", dest="gain", type="intx", default=30,
- help="Set gain [default=%default]")
- parser.add_option("", "--channelizer-osr", dest="channelizer_osr", type="intx", default=2,
- help="Set channelizer_osr [default=%default]")
- parser.add_option("", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(937e6),
- help="Set fc [default=%default]")
- parser.add_option("", "--usrp-decim", dest="usrp_decim", type="intx", default=5,
- help="Set usrp_decim [default=%default]")
- parser.add_option("", "--fs", dest="fs", type="eng_float", default=eng_notation.num_to_str(100e6),
- help="Set fs [default=%default]")
- (options, args) = parser.parse_args()
- tb = gsm_receiver_usrp_channelizer_python(length=options.length, gain=options.gain, channelizer_osr=options.channelizer_osr, fc=options.fc, usrp_decim=options.usrp_decim, fs=options.fs)
- tb.start()
- tb.wait()
-
-