mirror of https://github.com/ArduPilot/ardupilot
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
from LogAnalyzer import Test,TestResult
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import DataflashLog
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import collections
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class TestBrownout(Test):
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'''test for a log that has been truncated in flight'''
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def __init__(self):
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Test.__init__(self)
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self.name = "Brownout"
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def run(self, logdata, verbose):
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self.result = TestResult()
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self.result.status = TestResult.StatusType.GOOD
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isArmed = False
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# FIXME: cope with LOG_ARM_DISARM_MSG message
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if "EV" in logdata.channels:
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# step through the arm/disarm events in order, to see if they're symmetrical
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# note: it seems landing detection isn't robust enough to rely upon here, so we'll only consider arm+disarm, not takeoff+land
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for line,ev in logdata.channels["EV"]["Id"].listData:
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if ev == 10:
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isArmed = True
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elif ev == 11:
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isArmed = False
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if "CTUN" not in logdata.channels:
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self.result.status = TestResult.StatusType.UNKNOWN
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self.result.statusMessage = "No CTUN log data"
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return
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# check for relative altitude at end
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if "CTUN" in logdata.channels and "BarAlt" in logdata.channels["CTUN"]:
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(finalAlt,finalAltLine) = logdata.channels["CTUN"]["BarAlt"].getNearestValue(logdata.lineCount, lookForwards=False)
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finalAltMax = 3.0 # max alt offset that we'll still consider to be on the ground
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if isArmed and finalAlt > finalAltMax:
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self.result.status = TestResult.StatusType.FAIL
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self.result.statusMessage = "Truncated Log? Ends while armed at altitude %.2fm" % finalAlt
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