adds support for Big+Quiet co2 sensor

libdyson/dyson_purifier_big_quiet.py

@@ -62,6 +62,11 @@ def nitrogen_dioxide(self) -> float:
         """Return the index value for nitrogen."""
         return self._get_environmental_field_value("noxl", divisor=10)
 
+    @property
+    def carbon_dioxide(self) -> Optional[int]:
+        """Return the PPM of carbon dioxide"""
+        return self._get_environmental_field_value("co2r")
+
     def turn_on(self) -> None:
         """Turn on the device."""
         self._set_configuration(fpwr="ON")

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = libdyson-neon
-version = 1.2.0
+version = 1.3.0
 author = The libdyson Working Group
 author_email = [email protected]
 license = MIT License

tests/test_purifier_big_quiet.py

@@ -120,6 +120,7 @@ def test_properties(mqtt_client: MockedMQTT):
             "noxl": "0011",
             "p25r": "0010",
             "p10r": "0009",
+            "co2r": "0400",
             "sltm": "OFF",
         }
     }
@@ -128,6 +129,7 @@ def test_properties(mqtt_client: MockedMQTT):
     assert device.particulate_matter_10 == 5
     assert device.volatile_organic_compounds == 0.4
     assert device.nitrogen_dioxide == 1.1
+    assert device.carbon_dioxide == 400
 
 
 @pytest.mark.parametrize(