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| #!/usr/bin/python
| #-*- coding: utf-8 -*-
|
| import time
| import signal
| import RPi.GPIO as GPIO
|
| # I/O Pin connected to Physical PIN#16, BCM code pin number is 20 and wPi pin number is 28
| INFR_PIN=20
|
| def sig_proc(signum, frame):
| print("Catch stop signal and program exit now...")
| exit()
|
| signal.signal(signal.SIGINT, sig_proc)
| signal.signal(signal.SIGTERM, sig_proc)
|
| def init():
| GPIO.setwarnings(False)
| GPIO.setmode(GPIO.BCM)
| GPIO.setup(INFR_PIN, GPIO.IN)
| pass
|
| def detct():
| while True:
| if GPIO.input(INFR_PIN) == True:
| print time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))+" Someone is closing!"
| else:
| print time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))+" No one nearby!"
| time.sleep(1)
| init()
| detct()
| GPIO.cleanup()
|
|
