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import sys
from Pubnub import Pubnub
from Adafruit_PWM_Servo_Driver import PWM
import time
import random
import Adafruit_BMP.BMP085 as BMP085
import Adafruit_DHT
import RPi.GPIO as GPIO
sensor = BMP085.BMP085()
GPIO.setmode(GPIO.BOARD)
StepPins = [26,24,22,19]
for pin in StepPins:
print "Setup pins"
GPIO.setup(pin,GPIO.OUT)
GPIO.output(pin, False)
publish_key = len(sys.argv) > 1 and sys.argv[1] or 'demo-36'
subscribe_key = len(sys.argv) > 2 and sys.argv[2] or 'demo-36'
secret_key = len(sys.argv) > 3 and sys.argv[3] or 'demo-36'
cipher_key = len(sys.argv) > 4 and sys.argv[4] or ''
ssl_on = len(sys.argv) > 5 and bool(sys.argv[5]) or False
pubnub = Pubnub(publish_key=publish_key, subscribe_key=subscribe_key,
secret_key=secret_key, cipher_key=cipher_key, ssl_on=ssl_on)
channel = 'futureHouse'
# pulse lengths have a max of 4096
leds = [
{'name': 'iceCaveLamp', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'iceCaveCrystal', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'fireplaceOrange', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'campfire', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'porchLight', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'fireplaceRed', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005},
{'name': 'stove', 'minPulseLength': 150, 'maxPulseLength': 2600, 'waitFloor': 0.0001, 'waitCeiling': 0.005}
]
def callback(message, channel):
# LED Setters
if 'ledID' in message:
if 'minPulseLength' in message:
print "Setting minPulseLength to: " + str(message['minPulseLength'])
leds[message['ledID']]['minPulseLength'] = message['minPulseLength']
if 'maxPulseLength' in message:
print "Setting maxPulseLength to: " + str(message['maxPulseLength'])
leds[message['ledID']]['maxPulseLength'] = message['maxPulseLength']
if 'waitCeiling' in message:
print "Setting waitCeiling to: " + str(message['waitCeiling'])
leds[message['ledID']]['waitCeiling'] = message['waitCeiling']
if 'waitFloor' in message:
print "Setting waitFloor to: " + str(message['waitFloor'])
leds[message['ledID']]['waitFloor'] = message['waitFloor']
if 'getEnviro' in message:
enviro = {}
enviro['temp1'] = '{0:0.2f} *C'.format(sensor.read_temperature())
enviro['pres1'] = '{0:0.2f} Pa'.format(sensor.read_pressure())
enviro['alt1'] = '{0:0.2f} m'.format(sensor.read_altitude())
enviro['pres2'] = '{0:0.2f} Pa'.format(sensor.read_sealevel_pressure())
enviro['humidity1'], enviro['temp2'] = Adafruit_DHT.read_retry(Adafruit_DHT.DHT11, 4)
def pubMessage(message):
print(message)
pubnub.publish(channel, enviro, callback=pubMessage, error=pubMessage)
if 'openDoor' in message:
moveDoor("open")
elif 'closeDoor' in message:
moveDoor("close")
def error(message):
print("ERROR : " + (message))
def connect(message):
print("CONNECTED")
def reconnect(message):
print("RECONNECTED")
def disconnect(message):
print("DISCONNECTED")
pubnub.subscribe(channel, callback=callback, error=callback,
connect=connect, reconnect=reconnect, disconnect=disconnect)
# http://www.raspberrypi.org/forums/viewtopic.php?f=37&t=32826
def moveDoor(direction):
stepCount = 8
globalcount = 1600
cycles = 0
stepCounter = 0
waitTime = 0.000001
openSeq = range(0, stepCount)
openSeq[0] = [1,0,0,0]
openSeq[1] = [1,1,0,0]
openSeq[2] = [0,1,0,0]
openSeq[3] = [0,1,1,0]
openSeq[4] = [0,0,1,0]
openSeq[5] = [0,0,1,1]
openSeq[6] = [0,0,0,1]
openSeq[7] = [1,0,0,1]
closeSeq = range(0, stepCount)
closeSeq[7] = [1,0,0,0]
closeSeq[6] = [1,1,0,0]
closeSeq[5] = [0,1,0,0]
closeSeq[4] = [0,1,1,0]
closeSeq[3] = [0,0,1,0]
closeSeq[2] = [0,0,1,1]
closeSeq[1] = [0,0,0,1]
closeSeq[0] = [1,0,0,1]
# Choose a sequence to use
if direction == "open":
seq = openSeq
elif direction == "close":
seq = closeSeq
else:
return
# Start main loop
while 1==1:
for pin in range(0, 4):
xpin = StepPins[pin]
pinVal = seq[stepCounter][pin]
if pinVal!=0:
#print " Step %i Enable %i" %(StepCounter,xpin)
GPIO.output(xpin, True)
else:
GPIO.output(xpin, False)
stepCounter += 1
cycles +=1
print " Stepcounter: %i" %(stepCounter)
# If we reach the end of the sequence
# start again
if (stepCounter==stepCount):
stepCounter = 0
if (stepCounter<0):
stepCounter = stepCount
if (globalcount == cycles):
sys.exit()
# Wait before moving on
time.sleep(waitTime)
# Initialise the PWM device using the default address
pwm = PWM(0x40, debug=False)
pwm.setPWMFreq(60) # Set frequency to 60 Hz
while (True):
for x in range(0,7) :
# print str(x) + ": " + str(leds[x]['minPulseLength']) + " " + str(leds[x]['maxPulseLength']) + " " + str(leds[x]['waitFloor']) + " " + str(leds[x]['waitCeiling'])
# Change speed of continuous servo on channel O
pwm.setPWM(x, 0, leds[x]['minPulseLength'])
time.sleep(random.uniform(leds[x]['waitCeiling'],leds[x]['waitFloor']))
pwm.setPWM(x, 0, leds[x]['maxPulseLength'])
time.sleep(random.uniform(leds[x]['waitCeiling'],leds[x]['waitFloor']))
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