按讚同步器

功用:可以和facebook同步,將讚數顯示於數字顯示器,而且可以用按鈕,知道現在的按讚個數.

設計理念:因老師上課時,讓我可以對樹梅派有更深一步的了解,又老師在上課把按贊同步器.顯示給我們看,所以我們決定要效仿老師

育成班聯FB粉專 (facebook.com/YUCSA12)

• import RPi.GPIO as GPIO
• import time
• import urllib2
• import re
• import multiprocessing
• URL = 'https://www.facebook.com/YUCSA12/likes'
• RE = '(\\d{1}),(\\d{3})'
• STRING = 'Y118'
• GPIO.setmode(GPIO.BCM)
• GPIO.setwarnings(False)
• segments = [5, 9, 17, 13, 19, 11, 4, 6]
• for segment in segments:
• GPIO.setup(segment, GPIO.OUT)
• GPIO.output(segment, 0)
• digits = [26, 10, 27, 22]
• for digit in digits:
• GPIO.setup(digit, GPIO.OUT)
• GPIO.output(digit, 1)
• dictionary = {
• ' ':(0,0,0,0,0,0,0),
• '0':(1,1,1,1,1,1,0),
• '1':(0,1,1,0,0,0,0),
• '2':(1,1,0,1,1,0,1),
• '3':(1,1,1,1,0,0,1),
• '4':(0,1,1,0,0,1,1),
• '5':(1,0,1,1,0,1,1),
• '6':(1,0,1,1,1,1,1),
• '7':(1,1,1,0,0,0,0),
• '8':(1,1,1,1,1,1,1),
• '9':(1,1,1,1,0,1,1),
• 'Y':(0,1,1,1,0,1,1),
• 'O':(1,1,1,1,1,1,0),
• 'P':(1,1,0,0,1,1,1),
• 'S':(1,0,1,1,0,1,1)}
• def display(S, no_use):
• n = 0
• while True:
• for digit in digits:
• GPIO.output(digit, 1)
• GPIO.output(digits[n], 0)
• i = 0
• for on_or_off in dictionary[S[n]]:
• GPIO.output(segments[i], on_or_off)
• i += 1
• time.sleep(0.005)
• n += 1
• n %= 4
• def likes(U, R):
• time.sleep(2)# in case been blocked
• page_source = urllib2.urlopen(U).readlines()
• #print page_source
• for line in page_source:
• match = re.search(R, line)
• if match:
• return match.group(1)+match.group(2)
• return 'OOPS'
• while True:
• p = multiprocessing.Process(target=display, args=(STRING, ''))
• p.start()
• STRING = likes(URL, RE)
• print STRING
• p.terminate()
• GPIO.cleanup()