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[sensor] ESP8266: Use LogString for state_class_to_string() to save RAM (#10617)

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This commit is contained in:
J. Nick Koston
2025-09-05 17:51:35 -05:00
committed by GitHub
parent 1340665ac7
commit 5b283d6d38
3 changed files with 15 additions and 9 deletions
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9
esphome/components/mqtt/mqtt_sensor.cpp
View File

@@ -58,8 +58,13 @@ void MQTTSensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCon
if (this->sensor_->get_force_update())
root[MQTT_FORCE_UPDATE] = true;
if (this->sensor_->get_state_class() != STATE_CLASS_NONE)
root[MQTT_STATE_CLASS] = state_class_to_string(this->sensor_->get_state_class());
if (this->sensor_->get_state_class() != STATE_CLASS_NONE) {
#ifdef USE_STORE_LOG_STR_IN_FLASH
root[MQTT_STATE_CLASS] = (const __FlashStringHelper *) state_class_to_string(this->sensor_->get_state_class());
#else
root[MQTT_STATE_CLASS] = LOG_STR_ARG(state_class_to_string(this->sensor_->get_state_class()));
#endif
}
config.command_topic = false;
}

13
esphome/components/sensor/sensor.cpp
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@@ -17,7 +17,8 @@ void log_sensor(const char *tag, const char *prefix, const char *type, Sensor *o
"%s State Class: '%s'\n"
"%s Unit of Measurement: '%s'\n"
"%s Accuracy Decimals: %d",
prefix, type, obj->get_name().c_str(), prefix, state_class_to_string(obj->get_state_class()), prefix,
prefix, type, obj->get_name().c_str(), prefix,
LOG_STR_ARG(state_class_to_string(obj->get_state_class())), prefix,
obj->get_unit_of_measurement_ref().c_str(), prefix, obj->get_accuracy_decimals());
if (!obj->get_device_class_ref().empty()) {
@@ -33,17 +34,17 @@ void log_sensor(const char *tag, const char *prefix, const char *type, Sensor *o
}
}
const char *state_class_to_string(StateClass state_class) {
const LogString *state_class_to_string(StateClass state_class) {
switch (state_class) {
case STATE_CLASS_MEASUREMENT:
return "measurement";
return LOG_STR("measurement");
case STATE_CLASS_TOTAL_INCREASING:
return "total_increasing";
return LOG_STR("total_increasing");
case STATE_CLASS_TOTAL:
return "total";
return LOG_STR("total");
case STATE_CLASS_NONE:
default:
return "";
return LOG_STR("");
}
}

2
esphome/components/sensor/sensor.h
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@@ -33,7 +33,7 @@ enum StateClass : uint8_t {
STATE_CLASS_TOTAL = 3,
};
const char *state_class_to_string(StateClass state_class);
const LogString *state_class_to_string(StateClass state_class);
/** Base-class for all sensors.
*