mirror of
https://github.com/esphome/esphome.git
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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
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#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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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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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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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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