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Change reporting to be on significant changes

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This commit is contained in:
Michael Bisbjerg 2024-05-15 18:56:45 +02:00
parent 2eff389fff
commit f51da4f0c4
1 changed files with 10 additions and 4 deletions
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14
usermods/AHT10_v2/usermod_aht10.h
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@ -74,10 +74,11 @@ private:
mqttCreateHassSensor(F("Humidity"), topic, F("humidity"), F("%")); mqttCreateHassSensor(F("Humidity"), topic, F("humidity"), F("%"));
} }
void mqttPublishIfChanged(const __FlashStringHelper *topic, float lastState, float state) void mqttPublishIfChanged(const __FlashStringHelper *topic, float lastState, float state, float minChange)
{ {
// Check if MQTT Connected, otherwise it will crash the 8266 // Check if MQTT Connected, otherwise it will crash the 8266
if (WLED_MQTT_CONNECTED && _stateFlags.mqttPublish && (_stateFlags.mqttPublishAlways || lastState != state)) // Only report if the change is larger than the required diff
if (WLED_MQTT_CONNECTED && _stateFlags.mqttPublish && (_stateFlags.mqttPublishAlways || fabsf(lastState - state) > minChange))
{ {
char subuf[128]; char subuf[128];
snprintf_P(subuf, 127, PSTR("%s/%s"), mqttDeviceTopic, (const char *)topic); snprintf_P(subuf, 127, PSTR("%s/%s"), mqttDeviceTopic, (const char *)topic);
@ -159,8 +160,13 @@ public:
#ifndef WLED_DISABLE_MQTT #ifndef WLED_DISABLE_MQTT
// Push to MQTT // Push to MQTT
mqttPublishIfChanged(F("temperature"), _lastTemperature, temperature);
mqttPublishIfChanged(F("humidity"), _lastHumidity, humidity); // We can avoid reporting if the change is insignificant. The threshold chosen is below the level of accuracy, but way above 0.01 which is the precision of the value provided.
// The AHT10/15/20 has an accuracy of 0.3C in the temperature readings
mqttPublishIfChanged(F("temperature"), _lastTemperature, temperature, 0.1f);
// The AHT10/15/20 has an accuracy in the humidity sensor of 2%
mqttPublishIfChanged(F("humidity"), _lastHumidity, humidity, 0.5f);
#endif #endif
// Store // Store