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Fix BH1750 MT lux calculation

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Fix BH1750 MT lux calculation (#8057)
This commit is contained in:
Theo Arends 2020-04-05 11:52:02 +02:00
parent 14030df1f4
commit b33fa68c01
1 changed files with 4 additions and 3 deletions
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7
tasmota/xsns_10_bh1750.ino
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@ -76,11 +76,12 @@ bool Bh1750Read(void)
if (Bh1750.valid) { Bh1750.valid--; }
if (2 != Wire.requestFrom(Bh1750.address, (uint8_t)2)) { return false; }
Bh1750.illuminance = (Wire.read() << 8) | Wire.read();
Bh1750.illuminance /= (1.2 * (69 / Bh1750.mtreg));
float illuminance = (Wire.read() << 8) | Wire.read();
illuminance /= (1.2 * (69 / (float)Bh1750.mtreg));
if (1 == Settings.SensorBits1.bh1750_resolution) {
Bh1750.illuminance >>= 1;
illuminance /= 2;
}
Bh1750.illuminance = illuminance;
Bh1750.valid = SENSOR_MAX_MISS;
return true;