def main():
#Set DATA pin
DHT = 4
try:
global temp
subprocess.call(['mosquitto_pub', '-t', 'pooz/measuring', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', "1"])
while True:
if GPIO.input(18) == False:
subprocess.call(['mosquitto_pub', '-t', 'pooz/fireflag', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', "0"])
bmp = BMP085(0x77)
temp = bmp.readTemperature()
pressure = bmp.readPressure()
altitude = bmp.readAltitude()
lightLevel=bh1750.readLight()
now = datetime.datetime.now()
uv_value = uv.veml6070_sensor.getUVIntensity()
print ("Temperature: %.2f C" % temp)
print ("Pressure: %.2f hPa" % (pressure / 100.0))
print ("Altitude: %.2f" % altitude)
h,t = dht.read_retry(dht.DHT22, DHT)
print('Temp={0:0.1f}*C \nHumidity={1:0.1f}%\n\n'.format(t,h))
print("Light Level : " + format(lightLevel,'.2f') + " lx")
print("UV Value: {0}".format(round(uv_value,2)))
mine.write(h, temp, pressure, lightLevel)
# f.write("Date: {}, Temperature: {}, Humidity: {}, Light: {}".format(now.strftime("%Y-%m-%d %H:%M:%S"),t, h, lightLevel))
print("Publishing message to topic","pooz/")
subprocess.call(['mosquitto_pub', '-t', 'pooz/temperature', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', str(round(temp, 2))])
subprocess.call(['mosquitto_pub', '-t', 'pooz/humidity', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', str(round(h,2))])
subprocess.call(['mosquitto_pub', '-t', 'pooz/pressure', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', str(round(pressure,2))])
subprocess.call(['mosquitto_pub', '-t', 'pooz/lightlevel', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', str(round(lightLevel,2))])
subprocess.call(['mosquitto_pub', '-t', 'pooz/uv_value', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', str(round(uv_value,2))])
#subprocess.call(['mosquitto_pub', '-t', 'pooz/fireflag', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', "0"])
sleep(300)
except KeyboardInterrupt:
subprocess.call(['mosquitto_pub', '-t', 'pooz/measuring', '-h', 'adveisorgroup2.lsr.ei.tum.de', '-m', "0"])
print("Ended")
client.loop_stop() #stop the loop
GPIO.cleanup()
def getLumiance():
''' get the lumiance from the drive '''
try:
lumiance = bh1750.readLight()
## print('lumiance = %.02f' % lumiance)
except:
print('read lumiance error')
lumiance = None
log.recordError(log.BH1750ERR)
return lumiance
def getI2cSensors(devices):
tstamp = int(time.time())
newObject = {"time": tstamp}
if not isinstance(devices, list):
newObject['message'] = 'No devices specified.'
return (False, newObject)
if 'bh1750' in devices:
###### Get luminosity ##
lux = bh1750.readLight()
# Drop the first (usually bad)
lux = bh1750.readLight()
newObject['lum'] = int(lux)
debug("Light Level : " + str(newObject['lum']) + " lx")
if 'si7021' in devices:
###### Get temperature & humidity from si7021 ##
T = si7021.readTemperature()
newObject['temp'] = round(T, 1)
RH = si7021.readHumidity()
newObject['hum'] = int(RH)
debug("Temperature : " + str(newObject['temp']) + " °C")
debug("Humidity : " + str(newObject['hum']) + " %")
if 'bme280' in devices:
###### Get temperature, pressure & humidity from bme280 ##
T, P, RH = bme280.readBME280All()
newObject['temp'] = round(T, 1)
newObject['hum'] = int(RH)
newObject['pres'] = int(P)
debug("Temperature : " + str(newObject['temp']) + " °C")
debug("Humidity : " + str(newObject['hum']) + " %")
debug("Pressure : " + str(newObject['pres']) + " hPa")
return (True, newObject)
try:
wt = waterTemp.read_temp()
params["watertemp"] = wt
except Exception as ex:
astro_logger.exception(ex) # Log exception info and continue…
pass
try:
CO2 = co2.mh_z19()
params["CO2"] = CO2
except Exception as ex:
astro_logger.exception(ex) # Log exception info and continue…
pass
try:
light = bh1750.readLight()
params["light"] = light
except Exception as ex:
astro_logger.exception(ex) # Log exception info and continue…
pass
entry = ""
for field in csv_fields:
entry += str(params.get(field, "")) + ","
entry = entry[:-1] + "\n" # Replace last comma by newline
with open(filename, 'a') as csv:
csv.write(entry)
# print(entry)
# call the MQTT function with the parameters to send this data to SURF cloud platform
temp = None # variable for temparature
light = None # variable for light level
i = 0 # counter for debugging
light_state = False
light_last_state = False
try:
while True:
# Always call this method every time to send data properly
client.loop()
# Read data from DHT11 and BH1750
result = dht_pin.read()
if result.is_valid():
temp = result.temperature
if BH1750.readLight() is not None:
light = BH1750.readLight()
# Setup data for sending to cloud server via MQTT
client.celsiusWrite(1, temp)
client.luxWrite(2, light)
# Turn light On-Off according to environment light
if light < 25:
light_state = False
else:
light_state = True
GPIO.output(16, light_state)
# Notify user when light state change
if light_state is not light_last_state:
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
_accesskey = '************************'
_secretkey = '*****************************'
_hostname = 'api.beebotte.com'
bbt = BBT(_accesskey, _secretkey, hostname=_hostname)
### Alternatively you can authenticate using the channel token
_token = '**********************************'
bbt = BBT(token=_token, hostname=_hostname)
while True:
if humidity is not None and temperature is not None:
print('Temp={0:0.1f}* Humidity={1:0.1f}%'.format(
temperature, humidity))
print("Light " + str(bh1750.readLight()))
bbt.writeBulk("TestBeebotte", [{
"resource": "temp",
"data": temperature
}, {
"resource": "humid",
"data": humidity
}, {
"resource": "light",
"data": bh1750.readLight()
}])
else:
print('Failed to get reading. Try again!')
sys.exit(1)
"""
assign event callbacks
"""
mqttc.on_connect = on_connect
mqttc.on_publish = on_publish
"""
connect
"""
mqttc.connect(host, port, 60)
while True:
"""
read sensors
"""
payload_temp = htu21d.readTemp()
payload_humid = htu21d.readHumid()
payload_light = int(bh1750.readLight())
payload_temp2 = bmp180.readTemp()
payload_pres = bmp180.readPressure()
payload_alt = bmp180.readAltitude()
"""
log
"""
print(host, port, topic_temp, payload_temp)
print(host, port, topic_humid, payload_humid)
print(host, port, topic_light, payload_light)
print(host, port, topic_temp2, payload_temp2)
print(host, port, topic_pres, payload_pres)
print(host, port, topic_alt, payload_alt)
"""
publish
"""
client = mqtt.Client("Pooz") #create new instance
client.on_message=on_message #attach function to callback
print("connecting to broker")
client.connect(broker_address) #connect to broker
client.loop_start() #start the loop
"""
try:
while True:
bmp = BMP085(0x77)
temp = bmp.readTemperature()
pressure = bmp.readPressure()
altitude = bmp.readAltitude()
lightLevel = bh1750.readLight()
print("Temperature: %.2f C" % temp)
print("Pressure: %.2f hPa" % (pressure / 100.0))
print("Altitude: %.2f" % altitude)
h, t = dht.read_retry(dht.DHT22, DHT)
print('Temp={0:0.1f}*C \nHumidity={1:0.1f}%\n\n'.format(t, h))
print("Light Level : " + format(lightLevel, '.2f') + " lx")
if int(temp) > 30:
print(
"FIRE DETECTED!\n CALL EMERGENCY!\nFIRST SAVE YOUR LIFE THEN OTHERS!"
)
mine.write(h, temp, pressure, lightLevel)
# f.write("Temperature: {}, Pressure: {}, Altitude: {}, Humidity: {}, Light: {}".format(temp, pressure, altitude, h, lightLevel))