Fix illuminance_lux calculation. #1506

Koenkk · Oct 2, 2020 · f256522 · f256522
1 parent 5814aab
commit f256522
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/converters/fromZigbee.js b/converters/fromZigbee.js
@@ -599,7 +599,7 @@ const converters = {
         convert: (model, msg, publish, options, meta) => {
             // DEPRECATED: only return lux here (change illuminance_lux -> illuminance)
             const illuminance = msg.data['measuredValue'];
-            const illuminanceLux = Math.pow(10, illuminance / 10000) - 1;
+            const illuminanceLux = illuminance === 0 ? 0 : Math.pow(10, (illuminance - 1) / 10000);
             return {
                 illuminance: calibrateAndPrecisionRoundOptions(illuminance, options, 'illuminance'),
                 illuminance_lux: calibrateAndPrecisionRoundOptions(illuminanceLux, options, 'illuminance_lux'),