def read_sht_2x():
try:
# I2C bus=1, Address=0x40
sht = SHT20(1, 0x40)
humid = sht.humidity().RH
temp = sht.temperature().F
return {'temperature': temp, 'humidity': humid}
except:
_LOGGER.error("SHT-2x not reporting")
def run_server():
sht = SHT20(1, 0x40)
h, t = sht.all()
celsius = Value(t.C)
humidity = Value(h.RH)
thing = Thing('urn:dev:ops:humidity-temperature-sensor', 'SHT20_Anthony',
['MultiLevelSensor'])
thing.add_property(
Property(thing,
'humidity',
humidity,
metadata={
'@type': 'LevelProperty',
'title': 'Humidity',
'type': 'number',
'unit': 'percent',
'readOnly': True
}))
thing.add_property(
Property(thing,
'temperature',
celsius,
metadata={
'@type': 'LevelProperty',
'title': 'Temperature',
'type': 'number',
'unit': '°C',
'readOnly': True
}))
server = WebThingServer(SingleThing(thing), port=8889)
def update():
h, t = sht.all()
celsius.notify_of_external_update(t.C)
humidity.notify_of_external_update(h.RH)
timer = tornado.ioloop.PeriodicCallback(update, 3000)
timer.start()
try:
logging.info('starting the server')
server.start()
except KeyboardInterrupt:
logging.debug('stopping update task')
timer.stop()
logging.info('stopping the server')
server.stop()
logging.info('done')
def tryConnect():
device_online = False
saveValue("sensor_online", "0", "1")
while device_online == False:
try:
sht = SHT20(1, 0x40)
device_online = True
saveValue("sensor_online", "1", "0")
except OSError:
print("Error: sensor not found")
if device_online == False:
time.sleep(INTERVAL_REGISTER)
return sht
def __init__(self, conn, ip, port):
Thread.__init__(self)
self._stop_event = Event()
self.ip = ip
self.port = port
self.conn = conn
self.hat = mcc172(0)
try:
self.temp = mcc134(1)
except:
self.temp = None
try:
self.sht20 = SHT20(1, 0x40)
except:
self.sht20 = None
print "[+] New thread started for "+ip+":"+str(port)
def __init__(self, i2c_address, i2c_bus=None):
if (i2c_bus):
this.i2c_bus = i2c_bus
self.sht = SHT20(i2c_bus, i2c_address)
from sensor import SHT20
# I2C bus=1, Address=0x40
#write the data into data.txt
file1 = open('data.txt', 'w')
sht = SHT20(1, 0x40)
for x in range(5):
h, t = sht.all() # read both at once
file1.write(" ".join(str(s) for s in h))
file1.write("\n")
file1.write(" ".join(str(s) for s in t))
file1.write("\n")
file1.close()
#h = sht.humidity() # read humidity
print(h) # namedtuple
print(h.RH) # relative humidity
#t = sht.temperature() # read temperature
print(t) # namedtuple
print(t.C) # Celsius
def run_server():
ds18 = DS18B20('28-03199779f5a1')
ds18_celsius = Value(ds18.temperature().C)
ds18_thing = Thing('urn:dev:ops:temperature-sensor', 'Temperature Sensor',
['TemperatureSensor'])
ds18_thing.add_property(
Property(ds18_thing,
'celsius',
ds18_celsius,
metadata={
'@type': 'TemperatureProperty',
'title': 'Celsius',
'type': 'number',
'unit': '°C',
'readOnly': True
}))
sht = SHT20(1, 0x40)
h, t = sht.all()
sht_celsius = Value(t.C)
sht_rh = Value(h.RH)
sht_thing = Thing('urn:dev:ops:humidity-temperature-sensor',
'Humidity and Temperature Sensor',
['MultiLevelSensor', 'TemperatureSensor'])
# If you want icon to show humidity:
# - remove type `TemperatureSensor`, and
# - change temperature metadata @type to `LevelProperty`
sht_thing.add_property(
Property(sht_thing,
'humidity',
sht_rh,
metadata={
'@type': 'LevelProperty',
'title': 'Relative humidity',
'type': 'number',
'unit': 'percent',
'readOnly': True
}))
sht_thing.add_property(
Property(sht_thing,
'temperature',
sht_celsius,
metadata={
'@type': 'TemperatureProperty',
'title': 'Celsius',
'type': 'number',
'unit': '°C',
'readOnly': True
}))
server = WebThingServer(MultipleThings([ds18_thing, sht_thing],
'Multi-sensor Device'),
port=8888)
def update():
t = ds18.temperature()
ds18_celsius.notify_of_external_update(t.C)
h, t = sht.all()
sht_celsius.notify_of_external_update(t.C)
sht_rh.notify_of_external_update(h.RH)
timer = tornado.ioloop.PeriodicCallback(update, 3000)
timer.start()
try:
logging.info('starting the server')
server.start()
except KeyboardInterrupt:
logging.debug('stopping update task')
timer.stop()
logging.info('stopping the server')
server.stop()
logging.info('done')