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author | Vadim Yanitskiy <axilirator@gmail.com> | 2019-01-19 11:55:01 +0700 |
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committer | Vadim Yanitskiy <axilirator@gmail.com> | 2019-01-22 14:41:30 +0700 |
commit | 89e1ad11380f2c20e8da76e861d28a6b886eb977 (patch) | |
tree | b8b05b83afdce0478a31539dc5580dccf4eece74 /python/trx/radio_if_uhd.py | |
parent | 404842da1135b439b610e755a28f7e1494f78822 (diff) |
python/trx: fork RadioInterfaceUHD from RadioInterface
Change-Id: I1644a3f6b8da0d5f2a1a133058269e5383948fda
Diffstat (limited to 'python/trx/radio_if_uhd.py')
-rw-r--r-- | python/trx/radio_if_uhd.py | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/python/trx/radio_if_uhd.py b/python/trx/radio_if_uhd.py new file mode 100644 index 0000000..0b2ef7a --- /dev/null +++ b/python/trx/radio_if_uhd.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python2 +# -*- coding: utf-8 -*- + +# GR-GSM based transceiver +# Radio interface for UHD devices +# +# (C) 2019 by Vadim Yanitskiy <axilirator@gmail.com> +# +# All Rights Reserved +# +# This program 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 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +from gnuradio import uhd + +from radio_if import RadioInterface + +class RadioInterfaceUHD(RadioInterface): + def phy_init_source(self): + self._phy_src = uhd.usrp_source(self.phy_args, + uhd.stream_args(cpu_format = "fc32", + channels = range(1))) + + self._phy_src.set_clock_rate(26e6, uhd.ALL_MBOARDS) + self._phy_src.set_antenna(self.rx_antenna, 0) + self._phy_src.set_samp_rate(self.sample_rate) + self._phy_src.set_bandwidth(650e3, 0) + self._phy_src.set_gain(self.rx_gain) + + # Some UHD devices (such as UmTRX) do start the clock + # not from 0, so it's required to reset it manually. + # Resetting UHD source will also affect the sink. + self._phy_src.set_time_now(uhd.time_spec(0.0)) + + def phy_init_sink(self): + self._phy_sink = uhd.usrp_sink(self.phy_args, + uhd.stream_args(cpu_format = "fc32", + channels = range(1)), "packet_len") + + self._phy_sink.set_clock_rate(26e6, uhd.ALL_MBOARDS) + self._phy_sink.set_antenna(self.tx_antenna, 0) + self._phy_sink.set_samp_rate(self.sample_rate) + self._phy_sink.set_gain(self.tx_gain) + + def phy_set_rx_freq(self, freq): + self._phy_src.set_center_freq(freq, 0) + + def phy_set_tx_freq(self, freq): + self._phy_sink.set_center_freq(freq, 0) + + def phy_set_rx_gain(self, gain): + self._phy_src.set_gain(gain, 0) + + def phy_set_tx_gain(self, gain): + self._phy_sink.set_gain(gain, 0) |