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Add Altitude Setter #39

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Merged
merged 4 commits into from
May 30, 2023
Merged

Add Altitude Setter #39

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826eed3
Add Calculated Sea Level Pressure based on Altitude
May 9, 2023
30f3f8f
Update to Altitude setter
May 13, 2023
480912a
formatted with black
May 14, 2023
a0d1796
Merge branch 'main' of https://github.com/somenice/Adafruit_CircuitPy…
May 14, 2023
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5 changes: 5 additions & 0 deletions adafruit_bmp280.py
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Original file line number Diff line number Diff line change
Expand Up @@ -369,6 +369,11 @@ def altitude(self) -> float:
p = self.pressure # in Si units for hPascal
return 44330 * (1.0 - math.pow(p / self.sea_level_pressure, 0.1903))

@altitude.setter
def altitude(self, value: float) -> None:
p = self.pressure # in Si units for hPascal
self.sea_level_pressure = p / math.pow(1.0 - value / 44330.0, 5.255)

####################### Internal helpers ################################
def _read_coefficients(self) -> None:
"""Read & save the calibration coefficients"""
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