diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/trx/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | python/trx/radio_if_lms.py | 69 |
2 files changed, 70 insertions, 0 deletions
diff --git a/python/trx/CMakeLists.txt b/python/trx/CMakeLists.txt index dbb3daa9..697687b 100644 --- a/python/trx/CMakeLists.txt +++ b/python/trx/CMakeLists.txt @@ -25,6 +25,7 @@ GR_PYTHON_INSTALL( ctrl_if_bb.py radio_if.py radio_if_uhd.py + radio_if_lms.py radio_if_grc.py transceiver.py dict_toggle_sign.py diff --git a/python/trx/radio_if_lms.py b/python/trx/radio_if_lms.py new file mode 100644 index 0000000..b9d771a --- /dev/null +++ b/python/trx/radio_if_lms.py @@ -0,0 +1,69 @@ +#!/usr/bin/env python2 +# -*- coding: utf-8 -*- + +# GR-GSM based transceiver +# Radio interface for Lime 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. + +import limesdr + +from radio_if import RadioInterface + +class RadioInterfaceLMS(RadioInterface): + lms_len_tag_name = "packet_len" + lms_dev_serial = "" + lms_dev_ch_mode = 1 + + # Human-readable description + def __str__(self): + return "LMS" + + @property # Signal processing delay of PHY + def phy_proc_delay(self): + # FIXME: the current value is measured for USRP B2X0 at 26e6, + # we should measure it for LimeSDR separately! + return (285.616 + 2 * self.GSM_SYM_PERIOD_uS) * 1e-6 + + def phy_init_source(self): + self._phy_src = limesdr.source(self.lms_dev_serial, + self.lms_dev_ch_mode, "") + + self._phy_src.set_sample_rate(self.sample_rate) + self._phy_src.set_gain(self.rx_gain, 0) + + def phy_init_sink(self): + self._phy_sink = limesdr.sink(self.lms_dev_serial, + self.lms_dev_ch_mode, "", + self.lms_len_tag_name) + + self._phy_sink.set_sample_rate(self.sample_rate) + self._phy_sink.set_gain(self.tx_gain, 0) + + 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) |