52 lines
1.4 KiB
Python
Executable File
52 lines
1.4 KiB
Python
Executable File
import serial
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import os
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import time
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import subprocess
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import pwmio
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import board
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piezo = pwmio.PWMOut(board.D15, variable_frequency=True)
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piezo.duty_cycle = 0
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piezo.frequency = 523
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ups_loc = subprocess.check_output(['sudo','/bin/bash','kill.sh'])
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ups_loc = ups_loc.decode("UTF-8")
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ups_loc = ups_loc.replace("\n", "")
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ser = serial.Serial(ups_loc, 9600)
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def swr(a):
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a = bytes(a, 'utf-8')
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ser.write(a)
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a = ser.readline().decode("UTF-8")
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a = a.replace("\n", "")
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a = a.replace("\r", "")
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a = a.replace("#", "")
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a = a.replace("@", "")
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return(a)
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prt = str()
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while True:
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print("------------------------------------------------------")
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print("------------------------------------------------------")
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a = swr('@Fx#').replace("F","")
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print("firmware ver ",a)
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vol = swr('@V0#').replace("V","")
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print("current voltage "+vol+"mV")
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a = swr('@C0#').replace("","")
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if a != "CF1C1":
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piezo.duty_cycle = 0
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print("Power Status Normal")
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elif a == "CF0C0":
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print("UPS !ERROR!")
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else:
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print("Power Loss Detect")
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piezo.duty_cycle = 45000
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if int(vol) <= 3600:
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ser.write(b'@Px#')
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os.system("shutdown now")
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print("------------------------------------------------------")
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print("------------------------------------------------------")
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time.sleep(1)
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piezo.duty_cycle = 0
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time.sleep(1)
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