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#!/usr/bin/env python3
#
# Copyright 2017 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
"""
Aurora BIST command line utility
"""
from __future__ import print_function
import argparse
import usrp_mpm as mpm
from usrp_mpm.sys_utils.uio import UIO
from usrp_mpm.aurora_control import AuroraControl
########################################################################
# command line options
########################################################################
def parse_args():
" Create argparser, return args "
parser = argparse.ArgumentParser(
description='Controller for Ettus Aurora BIST Engine'
)
parser.add_argument(
'--uio-dev', default='misc-auro-regs0',
help='UIO device for master device peeks and pokes'
)
parser.add_argument(
'--base-addr', type=int, default=0,
help='Base address for register read/writes'
)
parser.add_argument(
'--slave-uio-dev', default=None,
help='UIO device for slave device peeks and pokes'
)
parser.add_argument(
'--slave-base-addr', type=int, default=0,
help='Base address for register read/writes on slave'
)
parser.add_argument(
'--test', default='ber', choices=['ber', 'latency'],
help='Type of test to run'
)
parser.add_argument(
'--duration', type=int, default=10, help='Duration of test in seconds'
)
parser.add_argument(
'--rate', type=int, default=1245, help='BIST throughput in MB/s'
)
parser.add_argument(
'--loopback', action="store_true",
help="Don't run a test, but set this Aurora into loopback mode"
)
return parser.parse_args()
########################################################################
# main
########################################################################
def main():
" Dawaj, dawaj! "
args = parse_args()
# Initialize logger for downstream components
mpm.get_main_logger().getChild('main')
master_core_uio = UIO(label=args.uio_dev, read_only=False)
master_core_uio.open()
if args.slave_uio_dev:
slave_core_uio = UIO(label=args.uio_dev, read_only=False)
slave_core_uio.open()
try:
master_core = AuroraControl(master_core_uio, args.base_addr)
slave_core = None if args.slave_uio_dev is None else AuroraControl(
slave_core_uio,
args.slave_base_addr,
)
if args.loopback:
master_core.reset_core()
master_core.set_loopback(enable=True)
return True
# Run BIST
if args.test == 'ber':
print("Performing BER BIST test.")
master_core.run_ber_loopback_bist(
args.duration,
args.rate * 8e6,
slave_core,
)
else:
print("Performing Latency BIST test.")
master_core.run_latency_loopback_bist(
args.duration,
args.rate * 8e6,
slave_core,
)
except Exception as ex:
print("Unexpected exception: {}".format(str(ex)))
return False
finally:
master_core_uio.close()
if args.slave_uio_dev:
slave_core_uio.close()
if __name__ == '__main__':
exit(not main())
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