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#
# Copyright 2017 Ettus Research (National Instruments)
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
"""
Module
"""
import libpyusrp_periphs as lib
import re
import logging
log = logging.Logger("usrp_mpm.periphs")
def init_periph_manager(mb_type=None, db_types={}, fpga=None):
# Detect motherboard type if not already specified
if mb_type is None:
mb_files = lib.helper.find_mb_file()
with open(mb_files, "r") as f:
info = "".join(f.readlines())
device_type = re.match("^.*USRP;([-\w])+;.*", info)
if device_type is None:
log.fatal("Could not determine device type from {}".format(info))
exit(1)
mb_type = device_type.group(1)
# Check if we have an implementation for this motherboard type
try:
device_class = getattr(lib, mb_type)
except AttributeError:
log.fatal("Motherboard class implementation for {} device not found!".format(mb_type))
exit(1)
# Detect daughterboard type if not already specified
if not db_types:
db_files = lib.helper.find_db_files()
db_types = {}
for db in db_files:
with open(db, "r") as f:
info = "".join(f.readlines())
device_type = re.match("^.*SLOT;([\w]);DB;([-\w])+;.*", info)
if device_type is None:
log.fatal("Could not determine device type from: {}".format(info))
exit(2)
slot = device_type.group(1)
db_type = device_type.group(2)
db_types.update({slot: db_type})
# Check if we have an implementation for the daughterboard types
for db in db_types.values():
try:
getattr(lib.db, db)
except AttributeError:
log.fatal("Daughterboard class implementation for {} device not found!".format(db))
exit(1)
# Next steps
#
# 1. Load FPGA image
# 2. Use motherboard and daughterboard types to load the FPGA image
# 3. Create periph_manager object wth given mb_type + db_types information
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