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Micropython-IOT/mipyiot/doublereset.py

29 lines
778 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()
a = open(File, "w")
a.write(str(int(Check) + 1))
a.close()
sleep(Time)
os.remove(File)
return int(Check) + 1
except OSError:
pass
a = open(File, "w")
a.write("1")
a.close()
sleep(Time)
os.remove(File)
return False