# -*- coding: utf-8 -*-
HOST = "localhost"
PORT = 4223
UID = "XYZ" # Change XYZ to the UID of your Ambient Light Bricklet
from tinkerforge.ip_connection import IPConnection
from tinkerforge.bricklet_ambient_light import BrickletAmbientLight
# Callback function for illuminance callback
def cb_illuminance(illuminance):
print("Illuminance: " + str(illuminance/10.0) + " lx")
if __name__ == "__main__":
ipcon = IPConnection() # Create IP connection
al = BrickletAmbientLight(UID, ipcon) # Create device object
ipcon.connect(HOST, PORT) # Connect to brickd
# Don't use device before ipcon is connected
# Register illuminance callback to function cb_illuminance
al.register_callback(al.CALLBACK_ILLUMINANCE, cb_illuminance)
# Set period for illuminance callback to 1s (1000ms)
# Note: The illuminance callback is only called every second
# if the illuminance has changed since the last call!
al.set_illuminance_callback_period(1000)
raw_input("Press key to exit\n") # Use input() in Python 3
ipcon.disconnect()
class WeatherStation:
HOST = "localhost"
PORT = 4223
ipcon = None
lcd = None
al = None
al_v2 = None
hum = None
hum_v2 = None
baro = None
def __init__(self):
self.xively = Xively()
self.ipcon = IPConnection()
while True:
try:
self.ipcon.connect(WeatherStation.HOST, WeatherStation.PORT)
break
except Error as e:
log.error('Connection Error: ' + str(e.description))
time.sleep(1)
except socket.error as e:
log.error('Socket error: ' + str(e))
time.sleep(1)
self.ipcon.register_callback(IPConnection.CALLBACK_ENUMERATE,
self.cb_enumerate)
self.ipcon.register_callback(IPConnection.CALLBACK_CONNECTED,
self.cb_connected)
while True:
try:
self.ipcon.enumerate()
break
except Error as e:
log.error('Enumerate Error: ' + str(e.description))
time.sleep(1)
def cb_illuminance(self, illuminance):
if self.lcd is not None:
text = 'Illuminanc %6.2f lx' % (illuminance / 10.0)
self.lcd.write_line(0, 0, text)
self.xively.put('AmbientLight', illuminance / 10.0)
log.info('Write to line 0: ' + text)
def cb_illuminance_v2(self, illuminance):
if self.lcd is not None:
text = 'Illumina %8.2f lx' % (illuminance / 100.0)
self.lcd.write_line(0, 0, text)
self.xively.put('AmbientLight', illuminance / 100.0)
log.info('Write to line 0: ' + text)
def cb_humidity(self, humidity):
if self.lcd is not None:
text = 'Humidity %6.2f %%' % (humidity / 10.0)
self.lcd.write_line(1, 0, text)
self.xively.put('Humidity', humidity / 10.0)
log.info('Write to line 1: ' + text)
def cb_air_pressure(self, air_pressure):
if self.lcd is not None:
text = 'Air Press %7.2f mb' % (air_pressure / 1000.0)
self.lcd.write_line(2, 0, text)
self.xively.put('AirPressure', air_pressure / 1000.0)
log.info('Write to line 2: ' + text)
temperature = self.baro.get_chip_temperature() / 100.0
# \xDF == ° on LCD 20x4 charset
text = 'Temperature %5.2f \xDFC' % temperature
self.lcd.write_line(3, 0, text)
self.xively.put('Temperature', temperature)
log.info('Write to line 3: ' + text.replace('\xDF', '°'))
def cb_enumerate(self, uid, connected_uid, position, hardware_version,
firmware_version, device_identifier, enumeration_type):
if enumeration_type == IPConnection.ENUMERATION_TYPE_CONNECTED or \
enumeration_type == IPConnection.ENUMERATION_TYPE_AVAILABLE:
if device_identifier == LCD20x4.DEVICE_IDENTIFIER:
try:
self.lcd = LCD20x4(uid, self.ipcon)
self.lcd.clear_display()
self.lcd.backlight_on()
log.info('LCD 20x4 initialized')
except Error as e:
log.error('LCD 20x4 init failed: ' + str(e.description))
self.lcd = None
elif device_identifier == BrickletAmbientLight.DEVICE_IDENTIFIER:
try:
self.al = BrickletAmbientLight(uid, self.ipcon)
self.al.set_illuminance_callback_period(1000)
self.al.register_callback(self.al.CALLBACK_ILLUMINANCE,
self.cb_illuminance)
log.info('Ambient Light initialized')
except Error as e:
log.error('Ambient Light init failed: ' +
str(e.description))
self.al = None
elif device_identifier == BrickletAmbientLightV2.DEVICE_IDENTIFIER:
try:
self.al_v2 = BrickletAmbientLightV2(uid, self.ipcon)
self.al_v2.set_configuration(
self.al_v2.ILLUMINANCE_RANGE_64000LUX,
self.al_v2.INTEGRATION_TIME_200MS)
self.al_v2.set_illuminance_callback_period(1000)
self.al_v2.register_callback(
self.al_v2.CALLBACK_ILLUMINANCE,
self.cb_illuminance_v2)
log.info('Ambient Light 2.0 initialized')
except Error as e:
log.error('Ambient Light 2.0 init failed: ' +
str(e.description))
self.al_v2 = None
elif device_identifier == BrickletHumidity.DEVICE_IDENTIFIER:
try:
self.hum = BrickletHumidity(uid, self.ipcon)
self.hum.set_humidity_callback_period(1000)
self.hum.register_callback(self.hum.CALLBACK_HUMIDITY,
self.cb_humidity)
log.info('Humidity initialized')
except Error as e:
log.error('Humidity init failed: ' + str(e.description))
self.hum = None
elif device_identifier == BrickletHumidityV2.DEVICE_IDENTIFIER:
try:
self.hum_v2 = BrickletHumidityV2(uid, self.ipcon)
self.hum_v2.set_humidity_callback_configuration(
1000, True, 'x', 0, 0)
self.hum_v2.register_callback(
self.hum_v2.CALLBACK_HUMIDITY, self.cb_humidity_v2)
log.info('Humidity 2.0 initialized')
except Error as e:
log.error('Humidity 2.0 init failed: ' +
str(e.description))
self.hum_v2 = None
elif device_identifier == BrickletBarometer.DEVICE_IDENTIFIER:
try:
self.baro = BrickletBarometer(uid, self.ipcon)
self.baro.set_air_pressure_callback_period(1000)
self.baro.register_callback(
self.baro.CALLBACK_AIR_PRESSURE, self.cb_air_pressure)
log.info('Barometer initialized')
except Error as e:
log.error('Barometer init failed: ' + str(e.description))
self.baro = None
def cb_connected(self, connected_reason):
if connected_reason == IPConnection.CONNECT_REASON_AUTO_RECONNECT:
log.info('Auto Reconnect')
while True:
try:
self.ipcon.enumerate()
break
except Error as e:
log.error('Enumerate Error: ' + str(e.description))
time.sleep(1)
HOST = "localhost"
PORT = 4223
UID = "XYZ" # Change XYZ to the UID of your Ambient Light Bricklet
from tinkerforge.ip_connection import IPConnection
from tinkerforge.bricklet_ambient_light import BrickletAmbientLight
# Callback function for illuminance callback (parameter has unit Lux/10)
def cb_illuminance(illuminance):
print("Illuminance: " + str(illuminance / 10.0) + " Lux")
if __name__ == "__main__":
ipcon = IPConnection() # Create IP connection
al = BrickletAmbientLight(UID, ipcon) # Create device object
ipcon.connect(HOST, PORT) # Connect to brickd
# Don't use device before ipcon is connected
# Register illuminance callback to function cb_illuminance
al.register_callback(al.CALLBACK_ILLUMINANCE, cb_illuminance)
# Set period for illuminance callback to 1s (1000ms)
# Note: The illuminance callback is only called every second
# if the illuminance has changed since the last call!
al.set_illuminance_callback_period(1000)
raw_input("Press key to exit\n") # Use input() in Python 3
ipcon.disconnect()
