def get_measurement(self):
""" Gets the DS18B20's lux in Celsius by reading the temp file and div by 1000"""
tsl = TSL2561(self.i2c_address, "/dev/i2c-" + str(self.i2c_bus))
tsl.enable_autogain()
# tsl.set_gain(16)
tsl.set_time(0x00)
return tsl.lux()
def read(self):
try:
tsl = TSL2561(self.i2c_address, "/dev/i2c-" + str(self.i2c_bus))
tsl.enable_autogain()
# tsl.set_gain(16)
tsl.set_time(0x00)
self._lux = tsl.lux()
except:
return 1
def __init__(self):
self.sensorArray = list()
#Initialize all sensors
self.tsl = TSL2561(0x39, "/dev/i2c-1")
self.tsl.enable_autogain()
self.tsl.set_time(0x00)
self.mpl = MPL115A2(0x60, "/dev/i2c-1")
"""Add sensors metadata to Array. This has to be done manually
because you need to set up the part number of the sensor used.
Therefore, you have to add each measure information which means
the kind of reading you are sensing (like light, pressure, noise, etc...)
and the reading unity (e.g.: for temperature you can measure using
celsius or farenheit, so you have to specify C or F according to
the case).
"""
tmpSensor = Sensor(partNumber="TSL2561")
tmpSensor.addToMetadata(readingType="light", readingUnit="lumens")
self.sensorArray.append(tmpSensor)
tmpSensor = Sensor(partNumber="MPL115A2")
tmpSensor.addToMetadata(readingType="pressure", readingUnit="kPa")
tmpSensor.addToMetadata(readingType="temperature", readingUnit="C")
self.sensorArray.append(tmpSensor)
print "Sensors module started. " + str(len(self.sensorArray))
#arguments will be in a separate .ini file (sys.argv[1]) which is read in and parsed to get different argument types
inputfile = str(
sys.argv[1]
) #the input .ini file is given as the first argument when the python script is called
#setup hardware (only ever needs to happen once)
#set up LED indicator light via GPIO 16 (turns on whenever lights are on)
GPIO.setmode(GPIO.BCM)
GPIO.setup(16, GPIO.OUT)
#setup Heater via Powerswitch on GPIO 23
GPIO.setmode(GPIO.BCM)
GPIO.setup(23, GPIO.OUT)
#set up light moniter
tsl = TSL2561(0x39, "/dev/i2c-1")
tsl.enable_autogain()
tsl.set_time(0x00)
#Turn on temperature sensor
sensor = MCP9808.MCP9808()
sensor.begin()
#determine hostname of computer and start a day counter
hostname = subprocess.check_output(["hostname"]).strip()
lastday = 0
#define function for sending warning email if tempearture is out of range:
GMAIL_USER = "******"
GMAIL_PASS = "******"
SMTP_SERVER = "smtp.gmail.com"
print "temperature: %0.1f" % temperature print "humidity: %0.1f" % humidity print "crc: %s" % crc_check print time.sleep(2) print "test BMP180" bmp = BMP180(0x77, I2C_DEVICE) print "temperature: %0.1f" % bmp.temperature() print "pressure: %s" % bmp.pressure() print "altitude: %0.1f" % bmp.altitude() print time.sleep(2) print "test TSL2561" tsl = TSL2561(0x39, I2C_DEVICE) tsl.enable_autogain() tsl.set_time(0x00) print "lux %s" % tsl.lux() print time.sleep(2) print "test MCP9808" mcp = MCP9808(0x18, I2C_DEVICE) temperature = mcp.temperature() print "temperature: %0.2f" % temperature print time.sleep(2) print "test MPL115A2" mpl = MPL115A2(0x60, I2C_DEVICE)