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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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Update to Altitude setter
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Andrew Smith authored and Andrew Smith committed May 13, 2023
commit 30f3f8fbde9e37bfa38d6ddaad97b2044d2518e6
9 changes: 3 additions & 6 deletions adafruit_bmp280.py
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Expand Up @@ -369,13 +369,10 @@ 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))

@property
def p0(self, altitude_m=0.0) -> float:
"""The calculated sea level pressure based on altitude (:attr:`altitude`)
- which you must enter ahead of time)"""
@altitude.setter
def altitude(self, value: float) -> None:
p = self.pressure # in Si units for hPascal
p0 = p / math.pow(1.0 - altitude_m/44330.0, 5.255)
return p0
self.sea_level_pressure = p / math.pow(1.0 - value/44330.0, 5.255)

####################### Internal helpers ################################
def _read_coefficients(self) -> None:
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