69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
# osmo_gsm_tester: class defining a RF emulation object
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#
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# Copyright (C) 2020 by sysmocom - s.f.m.c. GmbH
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#
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# Author: Pau Espin Pedrol <pespin@sysmocom.de>
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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
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# published by the Free Software Foundation, either version 3 of the
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# License, or (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
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from abc import ABCMeta, abstractmethod
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from ..core import log
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from ..core.event_loop import MainLoop
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class RFemulation(log.Origin, metaclass=ABCMeta):
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##############
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# PROTECTED
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##############
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def __init__(self, conf, name):
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"""Base constructor. Must be called by subclass."""
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super().__init__(log.C_RUN, name)
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self.conf = conf
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#############################
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# PUBLIC (test API included)
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#############################
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@abstractmethod
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def set_attenuation(self, db):
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"""Set attenuation in dB on the configured channel"""
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pass
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@abstractmethod
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def get_max_attenuation(self):
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"""Get maximum channel attenuation"""
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pass
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def get_instance_by_type(rfemu_type, rfemu_opt):
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"""Allocate a RFemulation child class based on type. Opts are passed to the newly created object."""
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if rfemu_type == 'amarisoftctl':
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from .rfemu_amarisoftctrl import RFemulationAmarisoftCtrl
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obj = RFemulationAmarisoftCtrl
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elif rfemu_type == 'minicircuits':
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from .rfemu_minicircuits import RFemulationMinicircuitsHTTP
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obj = RFemulationMinicircuitsHTTP
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elif rfemu_type == 'srsenb_stdin':
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from .rfemu_srsenb_stdin import RFemulationSrsStdin
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obj = RFemulationSrsStdin
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elif rfemu_type == 'gnuradio_zmq':
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from .rfemu_gnuradio_zmq import RFemulationGnuradioZmq
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obj = RFemulationGnuradioZmq
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else:
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raise log.Error('RFemulation type not supported:', rfemu_type)
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return obj(rfemu_opt)
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# vim: expandtab tabstop=4 shiftwidth=4
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