#!/usr/bin/python
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#-*- coding: utf-8 -*-
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import pygame
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import pygame.camera
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import time
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import signal
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import RPi.GPIO as GPIO
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from pygame.locals import *
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from ftplib import FTP
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RELAY_OFF_TIMEOUT=15
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ON=1
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OFF=0
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# I/O Pin connected to Physical PIN#16, BCM code pin number is 20 and wPi pin number is 28
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infrared_pin=20
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# I/O Pin Not Connected
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buzzer_pin=12
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# I/O Pin connected to Physical PIN#40, BCM code pin number is 21 and wPi pin number is 29
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relay_pin=21
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capture_times=2
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local_image="rpi_capture.jpg"
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def turn_relay(cmd):
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if OFF == cmd:
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print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) +" turn relay off");
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GPIO.output(relay_pin, GPIO.LOW)
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else:
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GPIO.output(relay_pin, GPIO.HIGH)
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print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) +" turn relay on");
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def sig_proc(signum, frame):
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print("Catch stop signal and program exit now...")
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GPIO.cleanup()
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exit()
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def alarm_handler(signum, frame):
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turn_relay(OFF)
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signal.signal(signal.SIGALRM, alarm_handler)
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signal.signal(signal.SIGINT, sig_proc)
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signal.signal(signal.SIGTERM, sig_proc)
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def module_int():
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#Raspberry Python GPIO Initialise
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GPIO.setwarnings(False)
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GPIO.setmode(GPIO.BCM)
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# Initialise infrared GPIO port
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GPIO.setup(infrared_pin, GPIO.IN)
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# Initialise relay GPIO port
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GPIO.setup(relay_pin, GPIO.OUT)
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# Initialise camera library
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pygame.init()
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pygame.camera.init()
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def turn_buzzer_on():
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GPIO.setup(buzzer_pin, GPIO.OUT)
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p = GPIO.PWM(buzzer_pin, 2800)
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#p.ChangeFrequency(2800)
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#p.ChangeDutyCycle(50);
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p.start(50)
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time.sleep(1.5)
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p.stop()
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GPIO.setup(buzzer_pin, GPIO.IN)
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def ftp_connect(host, username, password):
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ftp = FTP()
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ftp.connect(host, 21)
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ftp.login(username, password)
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return ftp
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def upload_file(ftp, remotepath, localpath):
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bufsize = 1024
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fp = open(localpath, 'rb')
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ftp.storbinary('STOR '+ remotepath , fp, bufsize)
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fp.close()
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def detect_handler(channel):
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print( time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + " Someone is closing on!")
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#turn_buzzer_on()
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turn_relay(ON)
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signal.alarm(RELAY_OFF_TIMEOUT)
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camera = pygame.camera.Camera("/dev/video0",(1024,768))
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camera.start()
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time.sleep(3)
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for i in range(capture_times):
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#print("start camera capture image times [%d]" % (i+1));
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image = camera.get_image()
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pygame.image.save(image, local_image)
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#print("Start FTP upload image file");
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remote_image="StudioCapture_"+time.strftime('%Y%m%d_%H%M%S',time.localtime(time.time()))+".jpg"
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ftp = ftp_connect("master.iot-yun.com", "raspberry", "raspberry@pi")
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upload_file(ftp, remote_image, local_image)
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ftp.quit()
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print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) +" camere capture and ftp upload done");
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time.sleep(2)
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camera.stop()
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if __name__ == "__main__":
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module_int()
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GPIO.add_event_detect(infrared_pin, GPIO.RISING, detect_handler)
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while True:
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if GPIO.input(infrared_pin) == False:
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print time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))+" No one nearby!"
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time.sleep(1);
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