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esphome/esphome/components/internal_temperature/internal_temperature.cpp
2025-07-01 16:22:41 +00:00

112 lines
3.8 KiB
C++

#include "internal_temperature.h"
#include "esphome/core/log.h"
#ifdef USE_ESP32
#if defined(USE_ESP32_VARIANT_ESP32)
// there is no official API available on the original ESP32
extern "C" {
uint8_t temprature_sens_read();
}
#elif defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32C6) || \
defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32H2) || \
defined(USE_ESP32_VARIANT_ESP32C2) || defined(USE_ESP32_VARIANT_ESP32P4)
#include "driver/temperature_sensor.h"
#endif // USE_ESP32_VARIANT
#endif // USE_ESP32
#ifdef USE_RP2040
#include "Arduino.h"
#endif // USE_RP2040
#ifdef USE_BK72XX
extern "C" {
uint32_t temp_single_get_current_temperature(uint32_t *temp_value);
}
#endif // USE_BK72XX
namespace esphome {
namespace internal_temperature {
static const char *const TAG = "internal_temperature";
#ifdef USE_ESP32
#if defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32C6) || defined(USE_ESP32_VARIANT_ESP32S2) || \
defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32H2) || defined(USE_ESP32_VARIANT_ESP32C2) || \
defined(USE_ESP32_VARIANT_ESP32P4)
static temperature_sensor_handle_t tsensNew = NULL;
#endif // USE_ESP32_VARIANT
#endif // USE_ESP32
void InternalTemperatureSensor::update() {
float temperature = NAN;
bool success = false;
#ifdef USE_ESP32
#if defined(USE_ESP32_VARIANT_ESP32)
uint8_t raw = temprature_sens_read();
ESP_LOGV(TAG, "Raw temperature value: %d", raw);
temperature = (raw - 32) / 1.8f;
success = (raw != 128);
#elif defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32C6) || \
defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32H2) || \
defined(USE_ESP32_VARIANT_ESP32C2) || defined(USE_ESP32_VARIANT_ESP32P4)
esp_err_t result = temperature_sensor_get_celsius(tsensNew, &temperature);
success = (result == ESP_OK);
if (!success) {
ESP_LOGE(TAG, "Reading failed (%d)", result);
}
#endif // USE_ESP32_VARIANT
#endif // USE_ESP32
#ifdef USE_RP2040
temperature = analogReadTemp();
success = (temperature != 0.0f);
#endif // USE_RP2040
#ifdef USE_BK72XX
uint32_t raw, result;
result = temp_single_get_current_temperature(&raw);
success = (result == 0);
#if defined(USE_LIBRETINY_VARIANT_BK7231N)
temperature = raw * -0.38f + 156.0f;
#elif defined(USE_LIBRETINY_VARIANT_BK7231T)
temperature = raw * 0.04f;
#else // USE_LIBRETINY_VARIANT
temperature = raw * 0.128f;
#endif // USE_LIBRETINY_VARIANT
#endif // USE_BK72XX
if (success && std::isfinite(temperature)) {
this->publish_state(temperature);
} else {
ESP_LOGD(TAG, "Ignoring invalid temperature (success=%d, value=%.1f)", success, temperature);
if (!this->has_state()) {
this->publish_state(NAN);
}
}
}
void InternalTemperatureSensor::setup() {
#ifdef USE_ESP32
#if defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32C6) || defined(USE_ESP32_VARIANT_ESP32S2) || \
defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32H2) || defined(USE_ESP32_VARIANT_ESP32C2) || \
defined(USE_ESP32_VARIANT_ESP32P4)
ESP_LOGCONFIG(TAG, "Running setup");
temperature_sensor_config_t tsens_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(-10, 80);
esp_err_t result = temperature_sensor_install(&tsens_config, &tsensNew);
if (result != ESP_OK) {
ESP_LOGE(TAG, "Install failed (%d)", result);
this->mark_failed();
return;
}
result = temperature_sensor_enable(tsensNew);
if (result != ESP_OK) {
ESP_LOGE(TAG, "Enabling failed (%d)", result);
this->mark_failed();
return;
}
#endif // USE_ESP32_VARIANT
#endif // USE_ESP32
}
void InternalTemperatureSensor::dump_config() { LOG_SENSOR("", "Internal Temperature Sensor", this); }
} // namespace internal_temperature
} // namespace esphome