Rev Author Line No. Line
4802 jacho 1 #!/usr/bin/python
2 import wiringpi2 as gpio
3 import time
4 import subprocess
5  
6 power_sense_pin = 83
7  
8 gpio.wiringPiSetupGpio()
9 gpio.pinMode(power_sense_pin, 0)
10 gpio.pullUpDnControl(power_sense_pin, 0)
11  
12 time.sleep(30) # wait for complete startup.
13  
14 oldstav = gpio.digitalRead(power_sense_pin)
15  
16 while True:
17 stav = gpio.digitalRead(power_sense_pin)
18  
19 if oldstav == 0 and stav == 0:
20 subprocess.call("shutdown -P 0", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
21 exit(0)
22 else:
23 print "power is OK."
24  
25 oldstav = stav
26  
27 time.sleep(2)
28  
29