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Fix HM3301 AQI index calculator (#2739)

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Evgeny 2021-11-17 09:52:40 +01:00 committed by Jesse Hills
parent 84873d4074
commit 67558bec47
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2 changed files with 2 additions and 4 deletions
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2
esphome/components/hm3301/aqi_calculator.h
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@ -33,7 +33,7 @@ class AQICalculator : public AbstractAQICalculator {
int conc_lo = array[grid_index][0];
int conc_hi = array[grid_index][1];
return ((aqi_hi - aqi_lo) / (conc_hi - conc_lo)) * (value - conc_lo) + aqi_lo;
return (value - conc_lo) * (aqi_hi - aqi_lo) / (conc_hi - conc_lo) + aqi_lo;
}
int get_grid_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {

4
esphome/components/hm3301/caqi_calculator.h
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@ -37,9 +37,7 @@ class CAQICalculator : public AbstractAQICalculator {
int conc_lo = array[grid_index][0];
int conc_hi = array[grid_index][1];
int aqi = ((aqi_hi - aqi_lo) / (conc_hi - conc_lo)) * (value - conc_lo) + aqi_lo;
return aqi;
return (value - conc_lo) * (aqi_hi - aqi_lo) / (conc_hi - conc_lo) + aqi_lo;
}
int get_grid_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {