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import sys
from Pubnub import Pubnub
from Adafruit_PWM_Servo_Driver import PWM
import thread
import time
import random
import Adafruit_BMP.BMP085 as BMP085
import Adafruit_DHT
import RPi.GPIO as GPIO
# Initialize Humid / Temp
sensor = BMP085.BMP085()
# Initialize Stepper
GPIO.setmode(GPIO.BOARD)
stepPins = [26,24,22,19]
waitTime = 0.000001
for pin in stepPins:
print "Setup pins"
GPIO.setup(pin,GPIO.OUT)
GPIO.output(pin, True)
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 = 'futureChannel'
# 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 pubMessage(message):
print(message)
def getLEDStatus():
pubnub.publish(channel, leds, callback=pubMessage, error=pubMessage)
def callback(message, channel):
# LED Getters
if 'getLEDStatus' in message:
getLEDStatus()
# LED Setters
if 'ledID' in message:
print "message received for LED: " + leds[message['ledID']]['name']
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']
getLEDStatus()
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)
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")
startCycling()
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):
stepCounter = 0
stepCount = 8
Seq = []
Seq = range(0, stepCount)
if direction == "open":
Seq[0] = [1,0,0,0]
Seq[1] = [1,1,0,0]
Seq[2] = [0,1,0,0]
Seq[3] = [0,1,1,0]
Seq[4] = [0,0,1,0]
Seq[5] = [0,0,1,1]
Seq[6] = [0,0,0,1]
Seq[7] = [1,0,0,1]
elif direction == "close":
Seq[7] = [1,0,0,0]
Seq[6] = [1,1,0,0]
Seq[5] = [0,1,0,0]
Seq[4] = [0,1,1,0]
Seq[3] = [0,0,1,0]
Seq[2] = [0,0,1,1]
Seq[1] = [0,0,0,1]
Seq[0] = [1,0,0,1]
else:
return
maxSteps = 1600
completedSteps = 0
# Start main loop
while completedSteps != maxSteps:
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
completedSteps +=1
print " Stepcounter: %i" %(stepCounter)
if (stepCounter==stepCount):
stepCounter = 0
if (stepCounter<0):
stepCounter = stepCount
time.sleep(waitTime)
# Initialise the PWM device using the default address
pwm = PWM(0x40, debug=False)
pwm.setPWMFreq(60) # Set frequency to 60 Hz
def cycleLEDs(x):
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']))
def startCycling():
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
try:
t = thread.start_new_thread( cycleLEDs, (x,) )
except:
print "Error: unable to start thread"
#cycleLEDs(x)
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