diff options
author | Piotr Krysik <ptrkrysik@gmail.com> | 2017-11-30 13:06:31 +0100 |
---|---|---|
committer | Piotr Krysik <ptrkrysik@gmail.com> | 2017-11-30 13:06:31 +0100 |
commit | 294138d277f138c802aa5ad084c91d6325284491 (patch) | |
tree | 332a8c6ae74fd9418eade3dd60978882f7b8fb50 /python | |
parent | 2ef8fe1e63bebab8d34ff648e29e8f113761cb51 (diff) |
trx: Added missing timeslot filter
Diffstat (limited to 'python')
-rwxr-xr-x | python/trx/radio_if_grc.py | 147 |
1 files changed, 78 insertions, 69 deletions
diff --git a/python/trx/radio_if_grc.py b/python/trx/radio_if_grc.py index 26c1f22..8b53fe7 100755 --- a/python/trx/radio_if_grc.py +++ b/python/trx/radio_if_grc.py @@ -5,7 +5,7 @@ # Title: Trx radio interface # Author: (C) Piotr Krysik 2017 # Description: Alpha version of trx radio interface -# Generated: Thu Nov 30 12:45:52 2017 +# Generated: Thu Nov 30 13:02:31 2017 ################################################## from gnuradio import blocks @@ -25,24 +25,24 @@ import time class radio_if_grc(gr.top_block): - def __init__(self, delay_correction=285.616e-6, osr=4, ppm=-1, rx_freq=938600000, rx_gain=40, samp_rate=13e6/12.0, timing_advance=0, trx_base_port="5700", trx_remote_addr="127.0.0.1", tx_freq=938900000, tx_gain=30, uplink_shift=-(6.0/1625000*(156.25)*3)): + def __init__(self, samp_rate=13e6/12.0, tx_gain=30, tx_freq=938900000, rx_freq=938600000, rx_gain=40, osr=4, ppm=-1, trx_base_port="5700", trx_remote_addr="127.0.0.1", delay_correction=285.616e-6, uplink_shift=-(6.0/1625000*(156.25)*3), timing_advance=0): gr.top_block.__init__(self, "Trx radio interface") ################################################## # Parameters ################################################## - self.delay_correction = delay_correction - self.osr = osr - self.ppm = ppm + self.samp_rate = samp_rate + self.tx_gain = tx_gain + self.tx_freq = tx_freq self.rx_freq = rx_freq self.rx_gain = rx_gain - self.samp_rate = samp_rate - self.timing_advance = timing_advance + self.osr = osr + self.ppm = ppm self.trx_base_port = trx_base_port self.trx_remote_addr = trx_remote_addr - self.tx_freq = tx_freq - self.tx_gain = tx_gain + self.delay_correction = delay_correction self.uplink_shift = uplink_shift + self.timing_advance = timing_advance ################################################## # Blocks @@ -73,6 +73,7 @@ class radio_if_grc(gr.top_block): self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0) self.uhd_usrp_sink_0.set_gain(tx_gain, 0) self.uhd_usrp_sink_0.set_antenna("TX/RX", 0) + self.ts_filter = grgsm.burst_timeslot_filter(0) self.low_pass_filter_0_0 = filter.fir_filter_ccf(1, firdes.low_pass( 1, samp_rate, 125e3, 5e3, firdes.WIN_HAMMING, 6.76)) self.gsm_txtime_setter_0 = grgsm.txtime_setter(None if (None is not None) else 0xffffffff, 0, 0, 0, 0, timing_advance, delay_correction+uplink_shift) @@ -86,23 +87,31 @@ class radio_if_grc(gr.top_block): pulse_duration=4, sps=osr, ) + self.gsm_gen_test_ab_0 = grgsm.gen_test_ab() self.gsm_controlled_rotator_cc_0_0 = grgsm.controlled_rotator_cc(-ppm/1.0e6*2*math.pi*tx_freq/samp_rate) self.gsm_controlled_rotator_cc_0 = grgsm.controlled_rotator_cc(ppm/1.0e6*2*math.pi*rx_freq/samp_rate) + self.gsm_burst_type_filter_0_0 = grgsm.burst_type_filter(([1,3])) self.gsm_burst_type_filter_0 = grgsm.burst_type_filter(([3])) self.gsm_burst_to_fn_time_0 = grgsm.burst_to_fn_time() + self.gsm_burst_timeslot_filter_0 = grgsm.burst_timeslot_filter(0) self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc((firdes.window(firdes.WIN_HANN, 16, 0)), 0, 20, False, "packet_len") self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len") ################################################## # Connections ################################################## + self.msg_connect((self.gsm_burst_timeslot_filter_0, 'out'), (self.gsm_gen_test_ab_0, 'bursts_in')) self.msg_connect((self.gsm_burst_to_fn_time_0, 'fn_time_out'), (self.gsm_txtime_setter_0, 'fn_time')) self.msg_connect((self.gsm_burst_type_filter_0, 'bursts_out'), (self.gsm_burst_to_fn_time_0, 'bursts_in')) + self.msg_connect((self.gsm_burst_type_filter_0_0, 'bursts_out'), (self.gsm_burst_timeslot_filter_0, 'in')) + self.msg_connect((self.gsm_gen_test_ab_0, 'bursts_out'), (self.gsm_txtime_setter_0, 'bursts_in')) self.msg_connect((self.gsm_preprocess_tx_burst_0, 'bursts_out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_burst_type_filter_0, 'bursts_in')) - self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_trx_burst_if_0, 'bursts')) + self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_burst_type_filter_0_0, 'bursts_in')) + self.msg_connect((self.gsm_receiver_0, 'C0'), (self.ts_filter, 'in')) self.msg_connect((self.gsm_trx_burst_if_0, 'bursts'), (self.gsm_txtime_setter_0, 'bursts_in')) self.msg_connect((self.gsm_txtime_setter_0, 'bursts_out'), (self.gsm_preprocess_tx_burst_0, 'bursts_in')) + self.msg_connect((self.ts_filter, 'out'), (self.gsm_trx_burst_if_0, 'bursts')) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.gsm_gmsk_mod_0, 0)) self.connect((self.digital_burst_shaper_xx_0, 0), (self.gsm_msg_to_tag_0_0, 0)) self.connect((self.gsm_controlled_rotator_cc_0, 0), (self.low_pass_filter_0_0, 0)) @@ -113,27 +122,32 @@ class radio_if_grc(gr.top_block): self.connect((self.low_pass_filter_0_0, 0), (self.gsm_receiver_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.gsm_msg_to_tag_0, 0)) - def get_delay_correction(self): - return self.delay_correction + def get_samp_rate(self): + return self.samp_rate - def set_delay_correction(self, delay_correction): - self.delay_correction = delay_correction - self.gsm_txtime_setter_0.set_delay_correction(self.delay_correction+self.uplink_shift) + def set_samp_rate(self, samp_rate): + self.samp_rate = samp_rate + self.low_pass_filter_0_0.set_taps(firdes.low_pass(1, self.samp_rate, 125e3, 5e3, firdes.WIN_HAMMING, 6.76)) + self.gsm_controlled_rotator_cc_0.set_phase_inc(self.ppm/1.0e6*2*math.pi*self.rx_freq/self.samp_rate) + self.gsm_controlled_rotator_cc_0_0.set_phase_inc(-self.ppm/1.0e6*2*math.pi*self.tx_freq/self.samp_rate) + self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate) + self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) - def get_osr(self): - return self.osr + def get_tx_gain(self): + return self.tx_gain - def set_osr(self, osr): - self.osr = osr - self.gsm_gmsk_mod_0.set_sps(self.osr) + def set_tx_gain(self, tx_gain): + self.tx_gain = tx_gain + self.uhd_usrp_sink_0.set_gain(self.tx_gain, 0) + - def get_ppm(self): - return self.ppm + def get_tx_freq(self): + return self.tx_freq - def set_ppm(self, ppm): - self.ppm = ppm - self.gsm_controlled_rotator_cc_0.set_phase_inc(self.ppm/1.0e6*2*math.pi*self.rx_freq/self.samp_rate) + def set_tx_freq(self, tx_freq): + self.tx_freq = tx_freq self.gsm_controlled_rotator_cc_0_0.set_phase_inc(-self.ppm/1.0e6*2*math.pi*self.tx_freq/self.samp_rate) + self.uhd_usrp_sink_0.set_center_freq(self.tx_freq, 0) def get_rx_freq(self): return self.rx_freq @@ -151,23 +165,20 @@ class radio_if_grc(gr.top_block): self.uhd_usrp_source_0.set_gain(self.rx_gain, 0) - def get_samp_rate(self): - return self.samp_rate + def get_osr(self): + return self.osr - def set_samp_rate(self, samp_rate): - self.samp_rate = samp_rate - self.gsm_controlled_rotator_cc_0.set_phase_inc(self.ppm/1.0e6*2*math.pi*self.rx_freq/self.samp_rate) - self.gsm_controlled_rotator_cc_0_0.set_phase_inc(-self.ppm/1.0e6*2*math.pi*self.tx_freq/self.samp_rate) - self.low_pass_filter_0_0.set_taps(firdes.low_pass(1, self.samp_rate, 125e3, 5e3, firdes.WIN_HAMMING, 6.76)) - self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate) - self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) + def set_osr(self, osr): + self.osr = osr + self.gsm_gmsk_mod_0.set_sps(self.osr) - def get_timing_advance(self): - return self.timing_advance + def get_ppm(self): + return self.ppm - def set_timing_advance(self, timing_advance): - self.timing_advance = timing_advance - self.gsm_txtime_setter_0.set_timing_advance(self.timing_advance) + def set_ppm(self, ppm): + self.ppm = ppm + self.gsm_controlled_rotator_cc_0.set_phase_inc(self.ppm/1.0e6*2*math.pi*self.rx_freq/self.samp_rate) + self.gsm_controlled_rotator_cc_0_0.set_phase_inc(-self.ppm/1.0e6*2*math.pi*self.tx_freq/self.samp_rate) def get_trx_base_port(self): return self.trx_base_port @@ -181,21 +192,12 @@ class radio_if_grc(gr.top_block): def set_trx_remote_addr(self, trx_remote_addr): self.trx_remote_addr = trx_remote_addr - def get_tx_freq(self): - return self.tx_freq - - def set_tx_freq(self, tx_freq): - self.tx_freq = tx_freq - self.gsm_controlled_rotator_cc_0_0.set_phase_inc(-self.ppm/1.0e6*2*math.pi*self.tx_freq/self.samp_rate) - self.uhd_usrp_sink_0.set_center_freq(self.tx_freq, 0) - - def get_tx_gain(self): - return self.tx_gain + def get_delay_correction(self): + return self.delay_correction - def set_tx_gain(self, tx_gain): - self.tx_gain = tx_gain - self.uhd_usrp_sink_0.set_gain(self.tx_gain, 0) - + def set_delay_correction(self, delay_correction): + self.delay_correction = delay_correction + self.gsm_txtime_setter_0.set_delay_correction(self.delay_correction+self.uplink_shift) def get_uplink_shift(self): return self.uplink_shift @@ -204,18 +206,25 @@ class radio_if_grc(gr.top_block): self.uplink_shift = uplink_shift self.gsm_txtime_setter_0.set_delay_correction(self.delay_correction+self.uplink_shift) + def get_timing_advance(self): + return self.timing_advance + + def set_timing_advance(self, timing_advance): + self.timing_advance = timing_advance + self.gsm_txtime_setter_0.set_timing_advance(self.timing_advance) + def argument_parser(): parser = OptionParser(option_class=eng_option, usage="%prog: [options]") parser.add_option( - "", "--delay-correction", dest="delay_correction", type="eng_float", default=eng_notation.num_to_str(285.616e-6), - help="Set delay_correction [default=%default]") + "", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(13e6/12.0), + help="Set samp_rate [default=%default]") parser.add_option( - "", "--osr", dest="osr", type="intx", default=4, - help="Set OSR [default=%default]") + "-r", "--tx-gain", dest="tx_gain", type="eng_float", default=eng_notation.num_to_str(30), + help="Set tx_gain [default=%default]") parser.add_option( - "", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(-1), - help="Set Clock offset correction [default=%default]") + "-u", "--tx-freq", dest="tx_freq", type="eng_float", default=eng_notation.num_to_str(938900000), + help="Set tx_freq [default=%default]") parser.add_option( "-d", "--rx-freq", dest="rx_freq", type="eng_float", default=eng_notation.num_to_str(938600000), help="Set rx_freq [default=%default]") @@ -223,11 +232,11 @@ def argument_parser(): "-g", "--rx-gain", dest="rx_gain", type="eng_float", default=eng_notation.num_to_str(40), help="Set rx_gain [default=%default]") parser.add_option( - "", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(13e6/12.0), - help="Set samp_rate [default=%default]") + "", "--osr", dest="osr", type="intx", default=4, + help="Set OSR [default=%default]") parser.add_option( - "", "--timing-advance", dest="timing_advance", type="eng_float", default=eng_notation.num_to_str(0), - help="Set timing_advance [default=%default]") + "", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(-1), + help="Set Clock offset correction [default=%default]") parser.add_option( "", "--trx-base-port", dest="trx_base_port", type="string", default="5700", help="Set 5700 [default=%default]") @@ -235,14 +244,14 @@ def argument_parser(): "", "--trx-remote-addr", dest="trx_remote_addr", type="string", default="127.0.0.1", help="Set 127.0.0.1 [default=%default]") parser.add_option( - "-u", "--tx-freq", dest="tx_freq", type="eng_float", default=eng_notation.num_to_str(938900000), - help="Set tx_freq [default=%default]") - parser.add_option( - "-r", "--tx-gain", dest="tx_gain", type="eng_float", default=eng_notation.num_to_str(30), - help="Set tx_gain [default=%default]") + "", "--delay-correction", dest="delay_correction", type="eng_float", default=eng_notation.num_to_str(285.616e-6), + help="Set delay_correction [default=%default]") parser.add_option( "", "--uplink-shift", dest="uplink_shift", type="eng_float", default=eng_notation.num_to_str(-(6.0/1625000*(156.25)*3)), help="Set uplink_shift [default=%default]") + parser.add_option( + "", "--timing-advance", dest="timing_advance", type="eng_float", default=eng_notation.num_to_str(0), + help="Set timing_advance [default=%default]") return parser @@ -250,7 +259,7 @@ def main(top_block_cls=radio_if_grc, options=None): if options is None: options, _ = argument_parser().parse_args() - tb = top_block_cls(delay_correction=options.delay_correction, osr=options.osr, ppm=options.ppm, rx_freq=options.rx_freq, rx_gain=options.rx_gain, samp_rate=options.samp_rate, timing_advance=options.timing_advance, trx_base_port=options.trx_base_port, trx_remote_addr=options.trx_remote_addr, tx_freq=options.tx_freq, tx_gain=options.tx_gain, uplink_shift=options.uplink_shift) + tb = top_block_cls(samp_rate=options.samp_rate, tx_gain=options.tx_gain, tx_freq=options.tx_freq, rx_freq=options.rx_freq, rx_gain=options.rx_gain, osr=options.osr, ppm=options.ppm, trx_base_port=options.trx_base_port, trx_remote_addr=options.trx_remote_addr, delay_correction=options.delay_correction, uplink_shift=options.uplink_shift, timing_advance=options.timing_advance) tb.start() tb.wait() |