#! /usr/bin/python
"""
Simple script for parsing probee co-ordinator data and passing it on to Emoncms.
Donal Morrissey
http://donalmorrissey.blogspot.com/
"""
import re       # Used for parsing the data string.
import sys      # For exit
import serial   # Serial port interfacing
import requests # To send html post requests to Emoncms
import time

PORT = '/dev/ttyACM0'
BAUD_RATE = 115200

MY_EMONCMS_API_KEY = 'fa'
URL_TO_MY_EMONCMS = 'http://emoncms.org'

# Open serial port
try:
        ser = serial.Serial(PORT, BAUD_RATE)
        ser.open()
	time.sleep(1)
except:
        print "Could not open serial port: ", sys.exc_info()[0]
        sys.exit(2)


# Continuously read and print packets
while True:
    try:
        line = ser.readline();

        #Check the line is valid
        if not "++" in line: continue        
	line = line.rstrip()
	#print line
	# Split the line up, we know our raw temperature data will be located in location 2.
        r = re.compile('[|,]+')
        split_line =  r.split(line)

        # Extract the raw value as an int (our data is in location 2).
        raw_value =  int(split_line[1])
	temp = split_line[2]
	#print raw_value
        #Get the measured voltage from the raw ADC value.
        #vout_mV = raw_value / 10

        #temperature_degC = (vout_mV - 500) / 10

        #print temperature_degC

        # Now there is where the magic happens...
        # We send the new value to emoncms as a post request.
	#print (URL_TO_MY_EMONCMS+"/api/post?apikey=" + MY_EMONCMS_API_KEY +"&json={light:"+str(lit)+"}")
        if raw_value < 1000:
		try: requests.post(URL_TO_MY_EMONCMS+"/api/post?apikey=" + MY_EMONCMS_API_KEY +"&json={light:"+str(raw_value)+",outsidetemp:"+temp+"}")
		except:
			time.sleep(5)


	time.sleep(5)

    except KeyboardInterrupt:
        break

ser.close()