Add support for MLX90614 sensor. #247

.gitmodules

@@ -19,3 +19,6 @@
 [submodule "hls-proxy"]
 	path = hls-proxy
 	url = https://github.com/Viblast/hls-proxy.git
+[submodule "python-MLX90614"]
+	path = python-MLX90614
+	url = https://github.com/CRImier/python-MLX90614.git

terrariumI2CSensor.py

@@ -14,6 +14,8 @@
 # https://github.com/ageir/chirp-rpi
 sys.path.insert(0, './chirp-rpi')
 import chirp
+sys.path.insert(0, './python-MLX90614')
+from mlx90614 import MLX90614
 
 from gevent import monkey, sleep
 monkey.patch_all()
@@ -522,3 +524,43 @@ def get_data(self):
     data['temp_offset']  = self.get_temperature_offset_calibration()
 
     return data
+
+class terrariumMLX90614Sensor(terrariumSensorSource):
+  TYPE = 'mlx90614'
+  VALID_SENSOR_TYPES = ['temperature']
+
+  def set_address(self,address):
+    super(terrariumMLX90614Sensor,self).set_address(address)
+    data = self.get_address().split(',')
+    self.i2c_address = int('0x' + data[0],16)
+    self.i2c_bus = 1
+    self.temp_type = 'object'
+    if len(data) == 3:
+      _, self.i2c_bus, self.temp_type = data
+    elif len(data) == 2:
+      if 'a' == data[1]:
+        self.temp_type = 'ambient'
+      elif 'o' == data[1]:
+        self.temp_type = 'object'
+      else:
+        self.i2c_bus = data[1]
+
+  def load_data(self):
+    data = None
+
+    try:
+      data = {}
+      sensor = MLX90614(self.i2c_address,int(self.i2c_bus))
+
+      # we cannot cache data here.... as both are 'temperature' values
+      if 'object' == self.temp_type:
+        data['temperature'] = float(sensor.get_obj_temp())
+      elif 'ambient' == self.temp_type:
+        data['temperature'] = float(sensor.get_amb_temp())
+      else:
+        data = None
+
+    except Exception as ex:
+      print(ex)
+
+    return data

terrariumSensor.py

@@ -428,7 +428,7 @@ def load_data(self):
 from terrariumAnalogSensor import terrariumSKUSEN0161Sensor
 from terrariumBluetoothSensor import terrariumMiFloraSensor
 from terrariumGPIOSensor import terrariumYTXXSensorDigital, terrariumDHT11Sensor, terrariumDHT22Sensor, terrariumAM2302Sensor, terrariumHCSR04Sensor
-from terrariumI2CSensor import terrariumSHT2XSensor, terrariumHTU21DSensor, terrariumSi7021Sensor, terrariumBME280Sensor, terrariumChirpSensor, terrariumVEML6075Sensor, terrariumSHT3XSensor
+from terrariumI2CSensor import terrariumSHT2XSensor, terrariumHTU21DSensor, terrariumSi7021Sensor, terrariumBME280Sensor, terrariumChirpSensor, terrariumVEML6075Sensor, terrariumSHT3XSensor, terrariumMLX90614Sensor
 
 # Not sure if this is needed here again....?
 monkey.patch_all()
@@ -464,7 +464,8 @@ class terrariumSensor(object):
              terrariumVEML6075Sensor,
              terrariumChirpSensor,
              terrariumSHT3XSensor,
-             terrariumMHZ19Sensor}
+             terrariumMHZ19Sensor,
+             terrariumMLX90614Sensor}
 
   def __new__(self, sensor_id, hardware_type, sensor_type, address, name = '', callback_indicator = None):
     for sensor in terrariumSensor.SENSORS:

views/sensor_settings.tpl

@@ -119,6 +119,7 @@
                                 <option value="veml6075">{{_('VEML6075')}}</option>
                                 <option value="miflora">{{_('MiFlora')}}</option>
                                 <option value="mh-z19">{{_('mh-z19')}}</option>
+                                <option value="mlx90614">{{_('MLX90614')}}</option>
                               </select>
                             </div>
                           </div>