71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
#!/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):
|
|
# Human-readable description
|
|
def __str__(self):
|
|
return "UHD"
|
|
|
|
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)
|