class Nuimo(object):
SERVICE_UUIDS = [
UUID('0000180f-0000-1000-8000-00805f9b34fb'), # Battery
UUID('f29b1525-cb19-40f3-be5c-7241ecb82fd2'), # Sensors
UUID('f29b1523-cb19-40f3-be5c-7241ecb82fd1') # LED Matrix
]
CHARACTERISTIC_UUIDS = {
UUID('00002a19-0000-1000-8000-00805f9b34fb'): 'BATTERY',
UUID('f29b1529-cb19-40f3-be5c-7241ecb82fd2'): 'BUTTON',
UUID('f29b1528-cb19-40f3-be5c-7241ecb82fd2'): 'ROTATION',
UUID('f29b1527-cb19-40f3-be5c-7241ecb82fd2'): 'SWIPE',
UUID('f29b1526-cb19-40f3-be5c-7241ecb82fd2'): 'FLY',
UUID('f29b1524-cb19-40f3-be5c-7241ecb82fd1'): 'LED_MATRIX'
}
NOTIFICATION_CHARACTERISTIC_UUIDS = [
'BATTERY', # Uncomment only if you are not using the iOS emulator (iOS does't support battery updates without authentication)
'BUTTON',
'ROTATION',
'SWIPE',
'FLY']
# Notification data
NOTIFICATION_ON = struct.pack("BB", 0x01, 0x00)
NOTIFICATION_OFF = struct.pack("BB", 0x00, 0x00)
def __init__(self, mac_address):
self.macAddress = mac_address
self.delegate=NuimoDelegate(self)
def set_delegate(self, delegate):
self.delegate = delegate
def connect(self):
self.peripheral = Peripheral(self.macAddress, addrType='random')
# Retrieve all characteristics from desired services and map them from their UUID
characteristics = list(itertools.chain(*[self.peripheral.getServiceByUUID(uuid).getCharacteristics() for uuid in Nuimo.SERVICE_UUIDS]))
characteristics = dict((c.uuid, c) for c in characteristics)
# Store each characteristic's value handle for each characteristic name
self.characteristicValueHandles = dict((name, characteristics[uuid].getHandle()) for uuid, name in Nuimo.CHARACTERISTIC_UUIDS.items())
# Subscribe for notifications
for name in Nuimo.NOTIFICATION_CHARACTERISTIC_UUIDS:
self.peripheral.writeCharacteristic(self.characteristicValueHandles[name] + 1, Nuimo.NOTIFICATION_ON, True)
self.peripheral.setDelegate(self.delegate)
def wait_for_notifications(self):
self.peripheral.wait_for_notifications(1.0)
def display_led_matrix(self, matrix, timeout, brightness=1.0):
matrix = '{:<81}'.format(matrix[:81])
bites = list(map(lambda leds: reduce(lambda acc, led: acc + (1 << led if leds[led] not in [' ', '0'] else 0), range(0, len(leds)), 0), [matrix[i:i+8] for i in range(0, len(matrix), 8)]))
self.peripheral.writeCharacteristic(self.characteristicValueHandles['LED_MATRIX'], struct.pack('BBBBBBBBBBBBB', bites[0], bites[1], bites[2], bites[3], bites[4], bites[5], bites[6], bites[7], bites[8], bites[9], bites[10], max(0, min(255, int(255.0 * brightness))), max(0, min(255, int(timeout * 10.0)))), True)
