jeans/Tasmota
jeans/Tasmota
1
0
Fork 0
mirror of https://github.com/arendst/Tasmota.git synced 2025-07-26 04:06:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix BH1750 MT lux calculation

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tasmota/xsns_10_bh1750.ino
View File

@ -76,11 +76,12 @@ bool Bh1750Read(void)
if (Bh1750.valid) { Bh1750.valid--; } if (Bh1750.valid) { Bh1750.valid--; }
if (2 != Wire.requestFrom(Bh1750.address, (uint8_t)2)) { return false; } if (2 != Wire.requestFrom(Bh1750.address, (uint8_t)2)) { return false; }
Bh1750.illuminance = (Wire.read() << 8) | Wire.read(); float illuminance = (Wire.read() << 8) | Wire.read();
Bh1750.illuminance /= (1.2 * (69 / Bh1750.mtreg)); illuminance /= (1.2 * (69 / (float)Bh1750.mtreg));
if (1 == Settings.SensorBits1.bh1750_resolution) { if (1 == Settings.SensorBits1.bh1750_resolution) {
Bh1750.illuminance >>= 1; illuminance /= 2;
} }
Bh1750.illuminance = illuminance;
Bh1750.valid = SENSOR_MAX_MISS; Bh1750.valid = SENSOR_MAX_MISS;
return true; return true;