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Improved sensor readings in htu21d component. (#5839)
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@ -39,45 +39,54 @@ void HTU21DComponent::dump_config() {
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LOG_SENSOR(" ", "Humidity", this->humidity_);
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}
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void HTU21DComponent::update() {
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uint16_t raw_temperature;
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if (this->write(&HTU21D_REGISTER_TEMPERATURE, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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delay(50); // NOLINT
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if (this->read(reinterpret_cast<uint8_t *>(&raw_temperature), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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raw_temperature = i2c::i2ctohs(raw_temperature);
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float temperature = (float(raw_temperature & 0xFFFC)) * 175.72f / 65536.0f - 46.85f;
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// According to the datasheet sht21 temperature readings can take up to 85ms
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this->set_timeout(85, [this]() {
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uint16_t raw_temperature;
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if (this->read(reinterpret_cast<uint8_t *>(&raw_temperature), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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raw_temperature = i2c::i2ctohs(raw_temperature);
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uint16_t raw_humidity;
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if (this->write(&HTU21D_REGISTER_HUMIDITY, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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delay(50); // NOLINT
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if (this->read(reinterpret_cast<uint8_t *>(&raw_humidity), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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raw_humidity = i2c::i2ctohs(raw_humidity);
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float temperature = (float(raw_temperature & 0xFFFC)) * 175.72f / 65536.0f - 46.85f;
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float humidity = (float(raw_humidity & 0xFFFC)) * 125.0f / 65536.0f - 6.0f;
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ESP_LOGD(TAG, "Got Temperature=%.1f°C", temperature);
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int8_t heater_level = this->get_heater_level();
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if (this->temperature_ != nullptr)
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this->temperature_->publish_state(temperature);
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this->status_clear_warning();
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ESP_LOGD(TAG, "Got Temperature=%.1f°C Humidity=%.1f%% Heater Level=%d", temperature, humidity, heater_level);
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if (this->write(&HTU21D_REGISTER_HUMIDITY, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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if (this->temperature_ != nullptr)
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this->temperature_->publish_state(temperature);
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if (this->humidity_ != nullptr)
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this->humidity_->publish_state(humidity);
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if (this->heater_ != nullptr)
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this->heater_->publish_state(heater_level);
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this->status_clear_warning();
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this->set_timeout(50, [this]() {
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uint16_t raw_humidity;
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if (this->read(reinterpret_cast<uint8_t *>(&raw_humidity), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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raw_humidity = i2c::i2ctohs(raw_humidity);
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float humidity = (float(raw_humidity & 0xFFFC)) * 125.0f / 65536.0f - 6.0f;
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int8_t heater_level = this->get_heater_level();
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ESP_LOGD(TAG, "Got Humidity=%.1f%% Heater Level=%d", humidity, heater_level);
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if (this->humidity_ != nullptr)
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this->humidity_->publish_state(humidity);
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if (this->heater_ != nullptr)
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this->heater_->publish_state(heater_level);
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this->status_clear_warning();
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});
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});
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}
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bool HTU21DComponent::is_heater_enabled() {
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