#!/usr/bin/python

'''

Purpose: send sensor data to the Tangle

'''

import time

import datetime

import json

from sense_hat import SenseHat

from iota import Iota

from iota import ProposedTransaction

from iota import Address

from iota import Tag

from iota import TryteString

def sendTX(msg):

seed = 'YOURSEED9999999999999999999999999999999999999999999999999999999999999999999999999'

address = 'ADDRESS9FROM9DIFFERENT9SEED999999999999999999999999999999999999999999999999999999'

api = Iota('https://nodes.devnet.iota.org:443',seed)

tx = ProposedTransaction(

address=Address(address),

message=TryteString.from_unicode(msg),

tag=Tag('ASTROPIOTA'),

value=0

)

try:

tx=api.prepare_transfer(transfers=[tx])

except Exceptaion as e:

print("Check prepare_transfer ", e)

raise

try:

result=api.send_trytes(tx['trytes'],depth=3,min_weight_magnitude=9)

except:

print("Check send_trytes")

def smiley(faceColor, sense):

S = [0,75,70]

I = faceColor;

Q = [0,0,70];

i_pixels = [

Q,Q,I,I,I,I,Q,Q,

Q,I,I,I,I,I,I,Q,

I,I,S,I,I,S,I,I,

I,I,I,I,I,I,I,I,

I,I,Q,I,I,Q,I,I,

I,I,I,Q,Q,I,I,I,

Q,I,I,I,I,I,I,Q,

Q,Q,I,I,I,I,Q,Q,

];

sense.set_pixels(i_pixels)

def humidity(A,Q,I,sense):

S=[100,100,100]

i_pixels = [

Q,Q,Q,Q,Q,Q,Q,Q,

Q,Q,S,Q,Q,S,Q,Q,

Q,Q,S,Q,Q,S,Q,Q,

I,I,S,S,S,S,I,I,

I,I,S,I,I,S,I,I,

I,I,S,I,I,S,I,I,

A,A,A,A,A,A,A,A,

A,A,A,A,A,A,A,A,

];

sense.set_pixels(i_pixels)

def getSensorData(sense):

sensors = {}

sensors["pressure"] = str(sense.get_pressure())

sensors["temperature"] = str(sense.get_temperature())

sensors["humidity"] = str(sense.get_humidity())

o = sense.get_orientation()

sensors["pitch"] = str(o["pitch"])

sensors["roll"] = str(o["roll"])

sensors["yaw"] = str(o["yaw"])

a = sense.get_accelerometer_raw()

sensors["x"] = str(a["x"])

sensors["y"] = str(a["y"])

sensors["z"] = str(a["z"])

t = datetime.datetime.now()

sensors["timestamp"] = str(t.strftime('%Y%m%d %H:%M'))

sensors["city"] = 'Los Angeles CA USA'

sensors["lng"] = '-118.323411'

sensors["lat"] = '33.893916'

sensors["device_name"] = "AstroPiOTA"

fo = open("/home/pi/I3-Consortium/Data_AstroPiOTA.csv", "a")

# requires Python 3

print(sensors["timestamp"],"," \

,sensors["lng"],","\

,sensors["lat"],","\

,sensors["device_name"],","\

,sensors["temperature"],","\

,sensors["humidity"],","\

,sensors["pressure"],","\

,sensors["pitch"],","\

,sensors["roll"],","\

,sensors["yaw"],","\

,sensors["x"],","\

,sensors["y"],","\

,sensors["z"], file=fo)

fo.close()

jsonSensors = json.dumps(sensors)

return json.loads(jsonSensors), sensors

def reportWeather(weatherColor,Q,I,A,sense):

humidity(Q,I,A, sense)

time.sleep(3)

smiley(weatherColor, sense)

time.sleep(3)

def main():

sense = SenseHat()

sense.clear()

jsonSensors, dictSensors = getSensorData(sense)

payload = ",".join(("{}={}".format(*dictSensor) for dictSensor in dictSensors.items()))

sendTX(payload)

#sense.set_rotation(180)

if float(jsonSensors["humidity"]) < 20:

Q = [150,75,0]

I = [70,0,0]

A = [150,0,0]

elif float(jsonSensors["humidity"]) < 70:

Q = [0,190,0]

I = [0,100,0]

A = [0,150,0]

else:

Q = [0,75,150]

I = [0,0,100]

A = [0,0,150]

red = (150, 0, 0)

yellow = (150,100,0)

blue = (0,100,150)

if float(jsonSensors["temperature"]) -5 < 10:

reportWeather(blue,A,Q,I,sense)

elif float(jsonSensors["temperature"])-5 < 35:

reportWeather(yellow,A,Q,I,sense)

else:

reportWeather(red,Q,I,A,sense)

if __name__ == '__main__':

main()