Fix iNode Care Sensor temperature decoding

custom_components/ble_monitor/ble_parser/inode.py

@@ -120,10 +120,10 @@ def parse_inode(self, data: bytes, mac: bytes):
                     temp = temp - 8192
                 temp = max(min(temp, 70), -30)
             elif device_id in [0x92, 0x9A]:
-                msb = raw_t[0]
-                lsb = raw_t[1]
-                temp = msb * 0.0625 + 16 * (lsb & 0x0F)
-                if lsb & 0x10:
+                low_byte = raw_t & 0xFF
+                high_byte = (raw_t >> 8) & 0xFF
+                temp = low_byte * 0.0625 + 16 * (high_byte & 0x0F)
+                if high_byte & 0x10:
                     temp = temp - 256
                 temp = max(min(temp, 70), -30)
             elif device_id in [0x93, 0x9B, 0x9D]:

custom_components/ble_monitor/test/test_inode_parser.py

@@ -1,5 +1,8 @@
 """The tests for the iNode ble_parser."""
+from struct import pack
+
 from ble_monitor.ble_parser import BleParser
+from ble_monitor.ble_parser.inode import parse_inode
 
 
 class TestInode:
@@ -73,3 +76,24 @@ def test_inode_care_sensor_ht(self):
         assert sensor_msg["battery"] == 90
         assert sensor_msg["voltage"] == 2.76
         assert sensor_msg["rssi"] == -59
+
+    def test_inode_care_sensor_2_temperature(self):
+        """Test iNode Care Sensor 2 temperature decoding."""
+        sensor_msg = self._parse_care_sensor(0x92)
+
+        assert sensor_msg["type"] == "iNode Care Sensor 2"
+        assert sensor_msg["temperature"] == 35.25
+
+    def test_inode_care_sensor_t_temperature(self):
+        """Test iNode Care Sensor T temperature decoding."""
+        sensor_msg = self._parse_care_sensor(0x9A)
+
+        assert sensor_msg["type"] == "iNode Care Sensor T"
+        assert sensor_msg["temperature"] == 35.25
+
+    @staticmethod
+    def _parse_care_sensor(device_id):
+        """Build a minimal Care Sensor packet for the temperature variants."""
+        payload = pack("<HHHHHHHQ", 0x1000, 0, 0, 0x0234, 0, 0, 0, 0)
+        ble_parser = BleParser()
+        return parse_inode(ble_parser, bytes((0, 0, 0, device_id)) + payload, b"\x01\x02\x03\x04\x05\x06")