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Micropython-IOT/aabiot/DoubleReset.py

27 lines
721 B
Python

from time import sleep
import os
def DoubleReset(Time=5,File="doublereset.txt"):
"""Use this at the beginning of the file.
DoubleReset(Time=5,File="doublereset.txt")
Determines, if the board had two successive resets in the last <n> seconds.
This is done by writing a file in <File> and deleting it after <n> seconds.
If the file is already there, the reset was doubled."""
try:
a=open(File)
Check=a.read().strip()
a.close()
if Check == '1':
os.remove(File)
return True
except OSError:
pass
a=open(File,"w")
a.write("1")
a.close()
sleep(Time)
os.remove(File)
return False