class WeatherStation:
HOST = "localhost"
PORT = 4223
ipcon = None
lcd = None
lcd_clear = False
al = None
hum = None
baro = None
def __init__(self):
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))
timer.sleep(1)
except socket.error as e:
log.error('Socket error: ' + str(e))
timer.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))
timer.sleep(1)
def start(self):
t = 10
extended_timer = 10
try:
while True:
if self.lcd:
self.write_date(0, 0)
self.write_time(1, 0)
t = t + 1
if t >= extended_timer:
if self.baro:
self.write_temperatur(2, 0)
if self.hum:
self.write_humidity(3, 0)
t = 0
timer.sleep(1)
except KeyboardInterrupt:
if weather_station.ipcon != None:
weather_station.ipcon.disconnect()
return
def init_lcd(self, uid):
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
def init_ambientlight(self, uid):
try:
self.al = AmbientLight(uid, self.ipcon)
self.al.set_illuminance_callback_period(1000)
self.al.register_callback(self.al.CALLBACK_ILLUMINANCE,
self.cb_illuminance)
except Error as e:
log.error('Ambient Light init failed: ' + str(e.description))
self.al = None
def init_barometer(self, uid):
try:
self.baro = Barometer(uid, self.ipcon)
except Error as e:
log.error('Barometer init failed: ' + str(e.description))
self.baro = None
def init_humidity(self, uid):
try:
self.hum = Humidity(uid, self.ipcon)
except Error as e:
log.error('Humidity init failed: ' + str(e.description))
self.hum = None
def write_time(self, line, start_position):
lt = localtime()
hour, minute, second = lt[3:6]
self.lcd.write_line(line, start_position, "Time: %02i:%02i:%02i" % (hour, minute, second))
def write_date(self, line, start_position):
lt = localtime()
year, month, day = lt[0:3]
self.lcd.write_line(line, start_position, "Date: %02i.%02i.%04i" % (day, month, year))
def write_temperatur(self, line, start_position):
try:
temperature = self.baro.get_chip_temperature()
text = 'Temp: %5.2f \xDFC' % (temperature / 100.0)
self.lcd.write_line(line, start_position, text)
except Error as e:
log.error('Could not get temperature: ' + str(e.description))
return
def write_humidity(self, line, start_position):
try:
h = self.hum.get_humidity()
text = 'Humidity: %6.2f %%' % (h / 10.0)
self.lcd.write_line(line, start_position, text)
except Error as e:
log.error('Could not get temperature: ' + str(e.description))
return
def cb_illuminance(self, illuminance):
if self.lcd is not None:
i = illuminance / 10.0
if i < 0.5 and self.lcd.is_backlight_on():
self.lcd.backlight_off()
elif i >= 0.5 and not self.lcd.is_backlight_on():
self.lcd.backlight_on()
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:
self.init_lcd(uid)
elif device_identifier == AmbientLight.DEVICE_IDENTIFIER:
self.init_ambientlight(uid)
elif device_identifier == Humidity.DEVICE_IDENTIFIER:
self.init_humidity(uid)
elif device_identifier == Barometer.DEVICE_IDENTIFIER:
self.init_barometer(uid)
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))
timer.sleep(1)
ipcon2 = IPConnection() # Create IP connection
lcd = LCD20x4(UID_L, ipcon1) # Create device object
b = Barometer(UID_B, ipcon2) # Create device object
temp1 = Temperature(UID_T1, ipcon2)
temp2 = Temperature(UID_T2, ipcon1)
al = AmbientLight(UID_A, ipcon1) # Create device object
h = Humidity(UID_F, ipcon2) # Create device object
master = Master(UID_M, ipcon2) # Create device object
ipcon1.connect(HOST1, PORT) # Connect to brickd
ipcon2.connect(HOST2, PORT)
while True:
air_pressure = b.get_air_pressure()/1000.0
altitude = b.get_altitude()/100.0
illuminance = al.get_illuminance()/10.0
bartemp = b.get_chip_temperature()/100.0
esszimm = temp1.get_temperature()/100.0
flur = temp2.get_temperature()/100.0
voltage = master.get_stack_voltage()
current = master.get_stack_current()
wifi = master.get_wifi_configuration()
wifistatus = master.get_wifi_status()
wifipower = master.get_wifi_power_mode()
wifihost = master.get_wifi_hostname()
usbvoltage = master.get_usb_voltage()
masterid = master.get_identity()
feuchte = h.get_humidity()/10.0
os.system('clear')
luxwert = 10