mirror of https://github.com/esphome/esphome.git
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
#include "internal_temperature.h"
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#include "esphome/core/log.h"
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#ifdef USE_ESP32
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#if defined(USE_ESP32_VARIANT_ESP32)
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// there is no official API available on the original ESP32
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extern "C" {
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uint8_t temprature_sens_read();
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}
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#elif defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3)
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#include "driver/temp_sensor.h"
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#endif // USE_ESP32_VARIANT
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#endif // USE_ESP32
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#ifdef USE_RP2040
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#include "Arduino.h"
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#endif // USE_RP2040
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#ifdef USE_BK72XX
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extern "C" {
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uint32_t temp_single_get_current_temperature(uint32_t *temp_value);
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}
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#endif // USE_BK72XX
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namespace esphome {
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namespace internal_temperature {
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static const char *const TAG = "internal_temperature";
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void InternalTemperatureSensor::update() {
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float temperature = NAN;
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bool success = false;
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#ifdef USE_ESP32
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#if defined(USE_ESP32_VARIANT_ESP32)
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uint8_t raw = temprature_sens_read();
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ESP_LOGV(TAG, "Raw temperature value: %d", raw);
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temperature = (raw - 32) / 1.8f;
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success = (raw != 128);
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#elif defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3)
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temp_sensor_config_t tsens = TSENS_CONFIG_DEFAULT();
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temp_sensor_set_config(tsens);
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temp_sensor_start();
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#if defined(USE_ESP32_VARIANT_ESP32S3) && (ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(4, 4, 3))
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#error \
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"ESP32-S3 internal temperature sensor requires ESP IDF V4.4.3 or higher. See https://github.com/esphome/issues/issues/4271"
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#endif
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esp_err_t result = temp_sensor_read_celsius(&temperature);
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temp_sensor_stop();
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success = (result == ESP_OK);
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#endif // USE_ESP32_VARIANT
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#endif // USE_ESP32
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#ifdef USE_RP2040
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temperature = analogReadTemp();
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success = (temperature != 0.0f);
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#endif // USE_RP2040
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#ifdef USE_BK72XX
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uint32_t raw, result;
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result = temp_single_get_current_temperature(&raw);
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success = (result == 0);
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#if defined(USE_LIBRETINY_VARIANT_BK7231N)
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temperature = raw * -0.38f + 156.0f;
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#elif defined(USE_LIBRETINY_VARIANT_BK7231T)
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temperature = raw * 0.04f;
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#else // USE_LIBRETINY_VARIANT
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temperature = raw * 0.128f;
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#endif // USE_LIBRETINY_VARIANT
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#endif // USE_BK72XX
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if (success && std::isfinite(temperature)) {
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this->publish_state(temperature);
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} else {
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ESP_LOGD(TAG, "Ignoring invalid temperature (success=%d, value=%.1f)", success, temperature);
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if (!this->has_state()) {
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this->publish_state(NAN);
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}
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}
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}
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void InternalTemperatureSensor::dump_config() { LOG_SENSOR("", "Internal Temperature Sensor", this); }
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} // namespace internal_temperature
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} // namespace esphome
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