def check_hk(n):
"""Performs a sanity check of the housekeeping for the FPE, consisting of checking the reference voltages.
If the housekeeping reports a sane value and doesn't throw a TimeOut exception,
we may assume the wrapper has already been loaded."""
from tessfpe.dhu.fpe import FPE
from tessfpe.dhu.unit_tests import check_house_keeping_voltages
from contextlib import closing
import tessfpe.dhu.fpesocketconnection
with closing(FPE(n, debug=False, check_hk=False)) as fpe:
try:
check_house_keeping_voltages(fpe)
return True
except tessfpe.dhu.fpesocketconnection.TimeOutError as e:
return False
#!/usr/bin/env python
"""This script loads the FPE with 'San Diego' version 6.1 of the Wrapper.
It also performs basic housekeeping voltage measurements to verify functionality."""
if __name__ == "__main__":
from tessfpe.dhu.fpe import FPE
from tessfpe.dhu.unit_tests import check_house_keeping_voltages
fpe1 = FPE(1, debug=False, preload=False)
print fpe1.version
if check_house_keeping_voltages(fpe1):
print "Wrapper load complete. Interface voltages OK."
else: print "Load failure." # Need more info here.
