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import sys
from Pubnub import Pubnub
from Adafruit_PWM_Servo_Driver import PWM
import time
import random
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'
leds = [
{'name': 'iceCaveLamp', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'iceCaveCrystal', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'campfire', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'porchLight', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'stove', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'fireplaceRed', 'minPulseLength': 150, 'maxPulseLength': 2150},
{'name': 'fireplaceOrange', 'minPulseLength': 150, 'maxPulseLength': 2150},
]
def callback(message, channel):
print(message)
# LED Setters
if 'ledID' in message:
if 'value' in message:
if 'minPulseLength' in message:
print "Setting minPulseLength to: " %(message['minPulseLength'])
leds[message['ledID']]['minPulseLength'] = message['minPulseLength']
if 'maxPulseLength' in message:
print "Setting maxPulseLength to: " %(message['maxPulseLength'])
leds[message['ledID']]['maxPulseLength'] = message['maxPulseLength']
if 'waitCeiling' in message:
print "Setting waitCeiling to: " %(message['waitCeiling'])
leds[message['ledID']]['waitCeiling'] = message['waitCeiling']
if 'waitFloor' in message:
print "Setting waitFloor to: " %(message['waitFloor'])
leds[message['ledID']]['waitFloor'] = message['waitFloor']
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
# Initialise the PWM device using the default address
pwm = PWM(0x40, debug=False)
def setServoPulse(channel, pulse):
pulseLength = 1000000 # 1,000,000 us per second
pulseLength /= 60 # 60 Hz
print "%d us per period" % pulseLength
pulseLength /= 4096 # 12 bits of resolution
print "%d us per bit" % pulseLength
pulse *= 1000
pulse /= pulseLength
pwm.setPWM(channel, 0, pulse)
pwm.setPWMFreq(60) # Set frequency to 60 Hz
while (True):
for x in range(0,6) :
# Change speed of continuous servo on channel O
pwm.setPWM(x, 0, leds[x]['minPulseLength'])
time.sleep(random.uniform(0.005,0.0001))
pwm.setPWM(x, 0, leds[x]['maxPulseLength'])
time.sleep(random.uniform(0.005,0.0001))
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