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handling with the negative temperature in the sensor tmp102 (#6316)
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0298adb1d8
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1 changed files with 4 additions and 2 deletions
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@ -28,7 +28,7 @@ void TMP102Component::dump_config() {
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}
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void TMP102Component::update() {
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uint16_t raw_temperature;
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int16_t raw_temperature;
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if (this->write(&TMP102_REGISTER_TEMPERATURE, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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@ -39,7 +39,9 @@ void TMP102Component::update() {
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return;
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}
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raw_temperature = i2c::i2ctohs(raw_temperature);
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if (raw_temperature & 0x8000) {
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raw_temperature |= 0xF000;
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}
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raw_temperature = raw_temperature >> 4;
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float temperature = raw_temperature * TMP102_CONVERSION_FACTOR;
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ESP_LOGD(TAG, "Got Temperature=%.1f°C", temperature);
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