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#!/usr/bin/env python
#
# 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/>.
#
"""
N310 Built-In Self Test (BIST)
"""
from __future__ import print_function
import sys
import argparse
class N310BIST(object):
"""
BIST Tool for the USRP N3xx series
"""
# This defines special tests that are really collections of other tests.
collections = {
'standard': ["ddr3", "gpsdo", "rtc", "temp", "clock_int", "tpm"],
'extended': "*",
}
@staticmethod
def make_arg_parser():
"""
Return arg parser
"""
parser = argparse.ArgumentParser(
description="N3xx BIST Tool",
)
parser.add_argument(
'tests',
help="List the tests that should be run",
nargs='+', # There has to be at least one
)
return parser
def __init__(self):
self.args = N310BIST.make_arg_parser().parse_args()
self.tests_to_run = set()
for test in self.args.tests:
if test in self.collections:
for test in self.expand_collection(test):
self.tests_to_run.add(test)
else:
self.tests_to_run.add(test)
def expand_collection(self, coll):
"""
Return names of tests in a collection
"""
tests = self.collections[coll]
if tests == "*":
tests = {x.replace('bist_', '')
for x in dir(self)
if x.find('bist_') == 0
}
else:
tests = set(tests)
return tests
def run(self):
"""
Execute tests.
Returns True on Success.
"""
def execute_test(testname):
"""
Actually run a test.
"""
testmethod_name = "bist_{0}".format(testname)
sys.stderr.write("Executing test method: {0}\n\n".format(testmethod_name))
return getattr(self, testmethod_name)()
tests_successful = True
for test in self.tests_to_run:
tests_successful = tests_successful and execute_test(test)
return tests_successful
#############################################################################
# BISTS
# All bist_* methods must return True/False success values!
#############################################################################
def bist_rtc(self):
"""
BIST for RTC (real time clock)
"""
assert 'rtc' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_ddr3(self):
"""
BIST for PL DDR3 DRAM
"""
assert 'ddr3' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_gpsdo(self):
"""
BIST for GPSDO
"""
assert 'gpsdo' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_tpm(self):
"""
BIST for TPM (Trusted Platform Module)
"""
assert 'gpsdo' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_clock_int(self):
"""
BIST for clock lock from internal source
"""
assert 'clock_int' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_clock_ext(self):
"""
BIST for clock lock from external source
"""
assert 'clock_ext' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_usbhost(self):
"""
BIST for USB host functionality
"""
assert 'usbhost' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_sfp(self):
"""
BIST for SFP+ ports
"""
assert 'sfp' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_gpio(self):
"""
BIST for SFP+ ports
"""
assert 'gpio' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def bist_temp(self):
"""
BIST for temperature sensors
"""
assert 'temp' in self.tests_to_run
sys.stderr.write("Test not implemented.\n")
return True
def main():
" Go, go, go! "
return N310BIST().run()
if __name__ == '__main__':
exit(not main())
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