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If t_total is zero run forever, fix #7 #11

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If t_total is zero run forever, fix #7 #11

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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ readable messages are written to stderr.
positional arguments:
address VISA resource name for sourcemeter
t_dwell Total number of seconds for the dwell phase(s)
t_total Total number of seconds to run for
t_total Total number of seconds to run for, if 0 run forever

optional arguments:
-h, --help show this help message and exit
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8 changes: 4 additions & 4 deletions mppTracker.py
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Expand Up @@ -16,7 +16,7 @@

parser.add_argument("address", nargs='?', default=None, type=str, help="VISA resource name for sourcemeter")
parser.add_argument("t_dwell", nargs='?', default=None, type=int, help="Total number of seconds for the dwell phase(s)")
parser.add_argument("t_total", nargs='?', default=None, type=int, help="Total number of seconds to run for")
parser.add_argument("t_total", nargs='?', default=None, type=int, help="Total number of seconds to run for, if 0 run forever")
parser.add_argument('--dummy', default=False, action='store_true', help="Run in dummy mode (doesn't need sourcemeter, generates simulated device data)")
parser.add_argument('--visa_lib', type=str, help="Path to visa library in case pyvisa can't find it, try C:\\Windows\\system32\\visa64.dll")
parser.add_argument('--reverse_polarity', default=False, action='store_true', help="Swaps voltage polarity on output terminals.")
Expand Down Expand Up @@ -351,7 +351,7 @@ def weAreDone(sm):
i = i*polarity
t_run = tx-t0
myPrint('{:1d},{:.4e},{:.4e},{:.4e}'.format(exploring,t_run,v,i), flush=True)
if t_run > args.t_total:
if t_run > args.t_total and args.t_total != 0:
weAreDone(sm)
toc = time.time() - tic

Expand All @@ -372,7 +372,7 @@ def weAreDone(sm):
i = i*polarity
t_run = tx-t0
myPrint('{:1d},{:.4e},{:.4e},{:.4e}'.format(exploring,t_run,v,i), flush=True)
if t_run > args.t_total:
if t_run > args.t_total and args.t_total != 0:
weAreDone(sm)
i_explore = numpy.append(i_explore, i)
v_explore = numpy.append(v_explore, v)
Expand Down Expand Up @@ -403,7 +403,7 @@ def weAreDone(sm):
i = i*polarity
t_run = tx-t0
myPrint('{:1d},{:.4e},{:.4e},{:.4e}'.format(exploring,t_run,v,i), flush=True)
if t_run > args.t_total:
if t_run > args.t_total and args.t_total != 0:
weAreDone(sm)
v_set = v_set + dV
sm.write(':source:voltage {0:0.4f}'.format(Vmpp))
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