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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @file
# @author (C) 2019 by Vasil Velichkov <vvvelichkov@gmail.com>
# @section LICENSE
#
# Gr-gsm 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 3, or (at your option)
# any later version.
#
# Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
#
import osmosdr
import os
def get_devices(hint=""):
return osmosdr.device_find(osmosdr.device_t(hint))
def match(dev, filters):
for f in filters:
for k, v in f.items():
if (k not in dev or dev[k] != v):
break
else:
return True
return False
def exclude(devices, filters = ({'driver': 'audio'},)):
return [dev for dev in devices if not match(dev, filters)]
def get_all_args(hint="nofake"):
return list(map(lambda dev: dev.to_string(), exclude(get_devices(hint))))
def get_default_args(args):
# The presence of GRC_BLOCKS_PATH environment variable indicates that
# gnuradio-companion compiles a flowgraph and in this case no exception
# have to be thrown otherwise the generaged python script will be invalid.
# This allows compilation of flowgraphs without an SDR device.
if args or os.getenv("GRC_BLOCKS_PATH"):
return args
devices = get_all_args("nofake")
if not devices:
raise RuntimeError("Unable to find any supported SDR devices")
return devices[0]
def print_devices(hint=""):
devices = exclude(get_devices(hint))
if devices:
print("\n".join(map(lambda dev: dev.to_string(), devices)))
else:
print("Unable to find any supported SDR devices")
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