def __init__(self):
SensorValue.__init__(self)
self.raw_value = -1
self.raw_high_value = 5000
self.raw_low_value = 500
self.unit = UNIT_RPM
def __init__(self):
SensorValue.__init__(self)
self.raw_value = -273
self.raw_high_value = 60
self.raw_low_value = 20
self.unit = UNIT_CELSIUS
def __init__(self):
SensorValue.__init__(self)
self.raw_value = 0
self.raw_high_value = 12
self.raw_low_value = -12
self.unit = UNIT_VOLT
def gettempandhumidity(self, config):
pin = config.configuredsensors['tempandhumidity'].port
dht_sensor_type = 0 # change this depending on your sensor type - see header comment
try:
[temp, humidity] = grovepi.dht(pin, dht_sensor_type)
print "temp =", temp, " humidity =", humidity
sensordata = []
sensordata.append(SensorValue(temp, 'none', 'temp', 'location'))
sensordata.append(
SensorValue(humidity, 'none', 'humidity', 'location'))
except IOError:
print "Error"
return sensordata
def getloudnessinfo(self, config):
sensordata = []
pin = config.configuredsensors['loudness'].port
try:
# Read the sound level
sensor_value = grovepi.analogRead(pin)
sensordata.append(
SensorValue(sensor_value, 'none', 'Loudness', 'location'))
except IOError:
print("Error")
return sensordata
def readdustsensor(location):
atexit.register(grovepi.dust_sensor_dis)
print("Reading from the dust sensor")
grovepi.dust_sensor_en()
while True:
try:
[new_val,lowpulseoccupancy] = grovepi.dustSensorRead()
if new_val:
print(lowpulseoccupancy)
sensordata = SensorValue(lowpulseoccupancy, 'none', 'Dust', location)
writetofile(sensordata)
time.sleep(5)
except IOError:
print ("Error")
def getgassensorvalue(self, config):
sensordata = []
pin = config.configuredsensors['gas'].port
grovepi.pinMode(pin, "INPUT")
try:
# Get sensor value
sensor_value = grovepi.analogRead(pin)
# Calculate gas density - large value means more dense gas
density = (float)(sensor_value / 1024)
sensordata.append(
SensorValue(sensor_value, 'none', 'Gas', 'location'))
except IOError:
print("Error")
return sensordata
def getairqualitysensorvalue(self, config):
sensordata = []
pin = config.configuredsensors['airquality'].port
grovepi.pinMode(pin, "INPUT")
try:
# Get sensor value
sensor_value = grovepi.analogRead(pin)
if sensor_value > 700:
print("High pollution")
elif sensor_value > 300:
print("Low pollution")
else:
print("Air fresh")
sensordata.append(
SensorValue(sensor_value, 'none', 'airquality', 'location'))
except IOError:
print("Error")
return sensordata
