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Add support for reading raw resistances to ENS160 #4

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Add support for reading raw resistances to ENS160 #4

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14 changes: 13 additions & 1 deletion ENS160/ENS160.py
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,18 @@ def AQI(self) -> dict:
else:
return {"value": val, "text": "(unknown)"}

@property
def raw_resistance(self) -> tuple:
"""Reads the sensor raw resistance values in Ohm. Only sensor 1 and 4 are officially supported"""
data = self.i2c.readfrom_mem(self.address, 0x48, 8)

r1 = 2 ** ((data[0] | (data[1] << 8)) / 2048.0)
r2 = 2 ** ((data[2] | (data[3] << 8)) / 2048.0)
r3 = 2 ** ((data[4] | (data[5] << 8)) / 2048.0)
r4 = 2 ** ((data[6] | (data[7] << 8)) / 2048.0)

return r1, r2, r3, r4

@property
def status(self) -> dict:
"""Reads the DATA_STATUS register and translates this single byte into each field's value."""
Expand Down Expand Up @@ -233,4 +245,4 @@ def _byte_to_binary(self, byte:int) -> str:
for x in range(8):
binary = str(byte & 1) + binary
byte >>= 1
return binary
return binary