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autotest: correct race condition in button test

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A BUTTON_CHANGE may have been emitted after we send the parameter but before it is processed by the autopilot
This commit is contained in:
Peter Barker 2020-08-26 12:04:14 +10:00 committed by Peter Barker
parent 3ae83d70b1
commit 80bee19bc9
1 changed files with 14 additions and 8 deletions
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22
Tools/autotest/common.py
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@ -6366,14 +6366,20 @@ switch value'''
self.drain_mav_seconds(15)
self.set_parameter("SIM_PIN_MASK", 0)
m3 = self.mav.recv_match(type='BUTTON_CHANGE', blocking=True, timeout=1)
self.progress("m3: %s" % str(m3))
if m3 is None:
raise NotAchievedException("Did not get new message")
if m.last_change_ms == m3.last_change_ms:
raise NotAchievedException("last_change_ms same as first message")
if m3.state != 0:
raise NotAchievedException("Didn't get expected mask back in message (mask=0 state=%u" % (m3.state))
while True:
m3 = self.mav.recv_match(type='BUTTON_CHANGE', blocking=True, timeout=1)
self.progress("m3: %s" % str(m3))
if m3 is None:
self.progress("Did not get new message")
continue
if m.last_change_ms == m3.last_change_ms:
self.progress("last_change_ms same as first message")
continue
if m3.state != 0:
self.progress("Didn't get expected mask back in message (want=0 got=%u)" % (m3.state))
continue
self.progress("correct BUTTON_CHANGE event received")
break
def compare_number_percent(self, num1, num2, percent):
if num1 == 0 and num2 == 0: