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Arduino实验: 新浪微博关注好友状态更新数量 http://jeeker.net/article/first-arduino-experiment-show-amount-of-weibo-friend-new-status/
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#! 强制默认编码为utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf8')
import pyfirmata, urllib, json, time
from datetime import datetime
#! 微博的API调用需要OAuth2.0登陆授权
#! 这里不做授权过程,需使用开发者账号测试 参考:http://t.cn/zYDjFan
ACCESS_TOKEN = 'YOUR ACCESS TOKEN'
# Arduino硬件接口
ARDUINO_PORT = 'YOUR ARDUINO PORT'
POWER_PIN = 13
DOTPOINT_PIN = 5
NUMBERS = [
#E D C DP B A F G // 数码管
#2 3 4 5 6 7 8 9 // 输出端口
[0, 0, 0, 1, 0, 0, 0, 1], # 0
[0, 1, 1, 1, 1, 1, 0, 1], # 1
[0, 0, 1, 1, 0, 0, 1, 0], # 2
[1, 0, 0, 1, 0, 0, 1, 0], # 3
[1, 1, 0, 1, 0, 1, 0, 0], # 4
[1, 0, 0, 1, 1, 0, 0, 0], # 5
[0, 0, 0, 1, 1, 0, 0, 0], # 6
[1, 1, 0, 1, 0, 0, 1, 1], # 7
[0, 0, 0, 1, 0, 0, 0, 0], # 8
[1, 0, 0, 1, 0, 0, 0, 0], # 9
[1, 1, 1, 0, 1, 1, 1, 1], # dot point
[1, 1, 1, 1, 1, 1, 1, 0], # line
[1, 1, 1, 1, 1, 1, 1, 1] # nothing
]
class WBftc(object):
def __init__(self):
self.arduino = None
self.lastStatusID = ''
self.initArduino()
def __del__(self):
if isinstance(self.arduino, pyfirmata.Arduino):
for i in xrange(2, 14):
self.arduino.digital[i].write(0)
def initArduino(self):
if isinstance(self.arduino, pyfirmata.Arduino):
return
try:
self.arduino = pyfirmata.Arduino(ARDUINO_PORT)
self.arduino.digital[13].write(1)
except Exception, e:
print('init arduino fail.')
sys.exit(1)
def outputArduino(self, num):
if not isinstance(self.arduino, pyfirmata.Arduino):
return
# 输出 0 - 9 的数字
show = num
# 小于0 错误
if num < 0:
show = 12
# 大于 9 超出量程
elif num > 9:
show = 11
for x in range(2, 10):
self.arduino.digital[x].write(NUMBERS[show][x - 2])
def flashDotPoint(self, interval = 1, count = 30):
show_dot = True
for x in range(count):
self.arduino.digital[DOTPOINT_PIN].write(0 if show_dot else 1)
show_dot = False if show_dot else True
time.sleep(interval)
def fetchWeiboStatusCount(self):
# -1 错误
url = 'https://api.weibo.com/2/statuses/friends_timeline/ids.json'
data = {
'access_token' : ACCESS_TOKEN
}
if self.lastStatusID:
data.update({'since_id' : self.lastStatusID })
data = urllib.urlencode(data)
try:
requst = urllib.urlopen('{}?{}'.format(url, data))
res = json.load(requst)
if not res.has_key('statuses'):
return -1
statuses = res['statuses']
if len(statuses):
self.lastStatusID = statuses[0]
return len(statuses)
except Exception, e:
print('something error.')
return -1
def run(self):
while (True):
count = self.fetchWeiboStatusCount()
now = datetime.now().strftime('%H:%M:%S')
print('{}: {}'.format(now, count))
self.outputArduino(count)
self.flashDotPoint()
if __name__ == '__main__':
try:
WBftc().run()
except KeyboardInterrupt:
print('\rexit.')
except Exception, e:
raise e
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