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Add ngspice equivalents of RUNLVL

This commit is contained in:
Matt Guthaus 2018-10-24 10:31:27 -07:00
parent 5f17525501
commit cccde193d0
1 changed files with 12 additions and 1 deletions
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13
compiler/characterizer/stimuli.py
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@ -234,6 +234,17 @@ class stimuli():
def write_control(self, end_time, runlvl=4):
""" Write the control cards to run and end the simulation """
# These are guesses...
if runlvl==1:
reltol = 0.02 # 2%
elif runlvl==2:
reltol = 0.01 # 1%
elif runlvl==3:
reltol = 0.005 # 0.5%
else:
reltol = 0.001 # 0.1%
# UIC is needed for ngspice to converge
self.sf.write(".TRAN 5p {0}n UIC\n".format(end_time))
if OPTS.spice_name == "ngspice":
@ -241,7 +252,7 @@ class stimuli():
# which is more accurate, but slower than the default trapezoid method
# Do not remove this or it may not converge due to some "pa_00" nodes
# unless you figure out what these are.
self.sf.write(".OPTIONS POST=1 RUNLVL={0} PROBE method=gear TEMP={1}\n".format(runlvl,self.temperature))
self.sf.write(".OPTIONS POST=1 RELTOL={0} PROBE method=gear TEMP={1}\n".format(reltol,self.temperature))
else:
self.sf.write(".OPTIONS POST=1 RUNLVL={0} PROBE TEMP={1}\n".format(runlvl,self.temperature))