apps/grgsm_trx: introduce initial LMS driver support
Change-Id: Ie983b10d1814906b6e659213f865e58d0f5c08e4
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@ -59,6 +59,8 @@ class Application:
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if argv.driver == "uhd":
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if argv.driver == "uhd":
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from grgsm.trx.radio_if_uhd import RadioInterfaceUHD as Radio
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from grgsm.trx.radio_if_uhd import RadioInterfaceUHD as Radio
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elif argv.driver == "lms":
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from grgsm.trx.radio_if_lms import RadioInterfaceLMS as Radio
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else:
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else:
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raise ValueError("Unknown RadioInterface driver '%s'" % argv.driver)
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raise ValueError("Unknown RadioInterface driver '%s'" % argv.driver)
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@ -117,7 +119,7 @@ def parse_argv():
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phy_group = parser.add_argument_group("PHY parameters")
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phy_group = parser.add_argument_group("PHY parameters")
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phy_group.add_argument("--driver",
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phy_group.add_argument("--driver",
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dest = "driver", type = str, default = "uhd",
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dest = "driver", type = str, default = "uhd",
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choices = ["uhd"],
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choices = ["uhd", "lms"],
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help = "Set device driver (default %(default)s)")
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help = "Set device driver (default %(default)s)")
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phy_group.add_argument("-a", "--args",
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phy_group.add_argument("-a", "--args",
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dest = "args", type = str, default = "",
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dest = "args", type = str, default = "",
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@ -25,6 +25,7 @@ GR_PYTHON_INSTALL(
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ctrl_if_bb.py
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ctrl_if_bb.py
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radio_if.py
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radio_if.py
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radio_if_uhd.py
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radio_if_uhd.py
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radio_if_lms.py
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radio_if_grc.py
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radio_if_grc.py
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transceiver.py
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transceiver.py
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dict_toggle_sign.py
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dict_toggle_sign.py
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@ -0,0 +1,69 @@
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#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# GR-GSM based transceiver
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# Radio interface for Lime devices
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#
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# (C) 2019 by Vadim Yanitskiy <axilirator@gmail.com>
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#
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# All Rights Reserved
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import limesdr
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from radio_if import RadioInterface
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class RadioInterfaceLMS(RadioInterface):
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lms_len_tag_name = "packet_len"
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lms_dev_serial = ""
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lms_dev_ch_mode = 1
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# Human-readable description
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def __str__(self):
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return "LMS"
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@property # Signal processing delay of PHY
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def phy_proc_delay(self):
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# FIXME: the current value is measured for USRP B2X0 at 26e6,
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# we should measure it for LimeSDR separately!
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return (285.616 + 2 * self.GSM_SYM_PERIOD_uS) * 1e-6
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def phy_init_source(self):
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self._phy_src = limesdr.source(self.lms_dev_serial,
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self.lms_dev_ch_mode, "")
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self._phy_src.set_sample_rate(self.sample_rate)
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self._phy_src.set_gain(self.rx_gain, 0)
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def phy_init_sink(self):
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self._phy_sink = limesdr.sink(self.lms_dev_serial,
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self.lms_dev_ch_mode, "",
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self.lms_len_tag_name)
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self._phy_sink.set_sample_rate(self.sample_rate)
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self._phy_sink.set_gain(self.tx_gain, 0)
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def phy_set_rx_freq(self, freq):
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self._phy_src.set_center_freq(freq, 0)
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def phy_set_tx_freq(self, freq):
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self._phy_sink.set_center_freq(freq, 0)
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def phy_set_rx_gain(self, gain):
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self._phy_src.set_gain(gain, 0)
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def phy_set_tx_gain(self, gain):
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self._phy_sink.set_gain(gain, 0)
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