Introduce RFemu stdin implementation for srsENB
Change-Id: I5487dec3691cbf424306369f94f337ed34a10c70
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@ -259,6 +259,10 @@ class srsENB(enb.eNodeB, srslte_common):
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rfemu_cfg = cell_list[cell].get('dl_rfemu', None)
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if rfemu_cfg is None:
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raise log.Error('rfemu attribute not found in cell_list item!')
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if rfemu_cfg['type'] == 'srsenb_stdin':
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# These fields are required so the rfemu class can interact with us:
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config.overlay(rfemu_cfg, dict(enb=self,
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cell_id=cell_list[cell]['cell_id']))
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rfemu_obj = rfemu.get_instance_by_type(rfemu_cfg['type'], rfemu_cfg)
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return rfemu_obj
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@ -52,6 +52,9 @@ def get_instance_by_type(rfemu_type, rfemu_opt):
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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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else:
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raise log.Error('RFemulation type not supported:', rfemu_type)
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@ -0,0 +1,52 @@
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# osmo_gsm_tester: class defining a RF emulation object implemented using SRS ENB stdin interface
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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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import json
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from ..core import log
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from .rfemu import RFemulation
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class RFemulationSrsStdin(RFemulation):
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##############
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# PROTECTED
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##############
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def __init__(self, conf):
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super().__init__(conf, 'srsenb_stdin')
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self.cell_id = int(conf.get('cell_id'))
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if self.cell_id is None:
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raise log.Error('No "cell_id" attribute provided in rfemu conf!')
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self.enb = conf.get('enb')
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if self.enb is None:
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raise log.Error('No "srsenb" attribute provided in rfemu conf!')
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def __del__(self):
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self.enb = None
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#############################
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# PUBLIC (test API included)
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#############################
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def set_attenuation(self, db):
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msg_str = 'cell_gain %d %f' % (self.cell_id, db)
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self.dbg('sending stdin msg: "%s"' % msg_str)
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self.enb.process.stdin_write(msg_str + '\n')
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def get_max_attenuation(self):
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return 200 # maximum cell_gain value in srs. Is this correct value?
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# vim: expandtab tabstop=4 shiftwidth=4
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@ -148,6 +148,11 @@ srsenb:
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tx_gain: 80
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rx_gain: 40
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log_all_level: warning
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cell_list:
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- dl_rfemu:
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type: srsenb_stdin
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- dl_rfemu:
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type: srsenb_stdin
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amarisoftenb:
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num_prb: 100
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