#!/usr/bin/env python2.7  

# Tweet the temperature, light, and sound levels with our Raspberry Pi
# http://dexterindustries.com/GrovePi/projects-for-the-raspberry-pi/sensor-twitter-feed/

# tweet.py by Alex Eames http://raspi.tv/?p=5908    
import tweepy  


# GrovePi + Sound Sensor + Light Sensor + Temperature Sensor + LED
# http://www.seeedstudio.com/wiki/Grove_-_Sound_Sensor
# http://www.seeedstudio.com/wiki/Grove_-_Light_Sensor
# http://www.seeedstudio.com/wiki/Grove_-_Temperature_and_Humidity_Sensor_Pro
# http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit

import grovepi

import sys  
import time
import math


# Connections
sound_sensor = 0        # port A0
light_sensor = 1        # port A1 
temperature_sensor = 4  # port D4
led = 3                 # port D3

  
# Consumer keys and access tokens, used for OAuth  
consumer_key = 'YzffjNm6xxxxxxxxxxxx5fI0KZ0c'  
consumer_secret = 'C1Y0WCKppB99ZweQFs9nlP0D87LIxxxxxxxKA749LY5'  
access_token = '1185864264-HpYphEjnfr5ZwgtT0igPoxxxxxxxxxxVULG6gZ98'  
access_token_secret = 'F3RPwD842Kylrk8JgCKtztcySoxxxxxxUvcwj6zxHp'    
  
# OAuth process, using the keys and tokens  
auth = tweepy.OAuthHandler(consumer_key, consumer_secret)  
auth.set_access_token(access_token, access_token_secret)  
   
# Creation of the actual interface, using authentication  
api = tweepy.API(auth)  

grovepi.pinMode(led,"OUTPUT")

last_sound = 0

while True:

    # Error handling in case of problems communicating with the GrovePi
    try:
    	    		
        # Get value from temperature sensor
        [temp,humidity] = grovepi.dht(temperature_sensor,1)
        t=temp
        h=humidity

        # Get value from light sensor
        light_intensity = grovepi.analogRead(light_sensor)

        # Give PWM output to LED
        grovepi.analogWrite(led,light_intensity/4)

        # Get sound level
        sound_level = grovepi.analogRead(sound_sensor)
        if sound_level > 0:
             last_sound = sound_level

        # Post a tweet
        
        hora = time.strftime("%H:%M:%S")
        print ("(%s) Home's Temp %.1f, Hum: %d, Light: %d, Sound: %d" %(hora,t,h,light_intensity/10,last_sound))
        tweet_text="(%s) Home's Temp %.1f, Hum: %d, Light: %d, Sound: %d" %(hora,t,h,light_intensity/10,last_sound)
        
        if len(tweet_text) <= 140:  
	        api.update_status(tweet_text)  
	else:  
    		print "tweet not sent. Too long. 140 chars Max."
    	#time.sleep(30)
    	
    	
    except IOError:
        print "Error"
    except:
        print "Duplicate Tweet"
    break