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Improve temperature

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This commit is contained in:
Thomas Farstrike
2025-04-23 22:29:28 +02:00
parent 0d205c9b17
commit 8a0e5eae0e
1 changed files with 7 additions and 3 deletions
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lib/qmi8658.py
+7 -3
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@@ -45,6 +45,7 @@ _REG_CTRL6 = const(0x07) # Attitude Engine ODR and Motion on Demand
_REG_CTRL7 = const(0x08) # Enable Sensors and Configure Data Reads
_REG_TEMP = const(0x33) # Temperature sensor.
_REG_TEMP_H = const(0x34) # Temperature sensor QMI8658_TEMP_H
_REG_AX_L = const(0x35) # Read accelerometer
_REG_AX_H = const(0x36)
@@ -151,9 +152,12 @@ class QMI8658:
@property
def temperature(self) -> float:
"""Get the device temperature."""
temp_raw = self._read_u8(_REG_TEMP)
return temp_raw / 256
temp_raw_l = self._read_u8(_REG_TEMP) # Low byte (unsigned)
temp_raw_h = self._read_u8(_REG_TEMP_H) # High byte (unsigned)
temp_raw = (temp_raw_h << 8) | temp_raw_l
if temp_raw & 0x8000: # If MSB is 1, it's negative
temp_raw = temp_raw - 0x10000 # Subtract 2^16 to get negative value
return temp_raw / 256.0
@property
def acceleration(self) -> tuple[float, float, float]: