2edec642fb
For some reasons this leads to WDT resets on this kind of module. This is just a workaround until another solution is found.
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2024 Thomas Basler and others
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*/
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#include "CpuTemperature.h"
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#include <Arduino.h>
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#if defined(CONFIG_IDF_TARGET_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(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3)
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#include "driver/temp_sensor.h"
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#endif
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CpuTemperatureClass CpuTemperature;
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float CpuTemperatureClass::read()
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{
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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// Disabling temperature reading for ESP32-S2 models as it might lead to WDT resets.
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// See: https://github.com/espressif/esp-idf/issues/8088
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return NAN;
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#endif
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std::lock_guard<std::mutex> lock(_mutex);
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float temperature = NAN;
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bool success = false;
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#if defined(CONFIG_IDF_TARGET_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(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_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(CONFIG_IDF_TARGET_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
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if (success && std::isfinite(temperature)) {
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return 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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return NAN;
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}
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}
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