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Code Issues Releases Wiki Activity

[adc] Add ESP32-C5 support (#9486)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: oxynatOr <98734567+oxynatOr@users.noreply.github.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
This commit is contained in:
Edward Firmo
2025-07-16 13:32:44 +02:00
committed by GitHub
parent 9e621a1769
commit 78c32eac04
3 changed files with 33 additions and 12 deletions
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27
esphome/components/adc/adc_sensor_esp32.cpp
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@@ -43,9 +43,10 @@ void ADCSensor::setup() {
adc_oneshot_unit_init_cfg_t init_config = {}; // Zero initialize
init_config.unit_id = this->adc_unit_;
init_config.ulp_mode = ADC_ULP_MODE_DISABLE;
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32H2
init_config.clk_src = ADC_DIGI_CLK_SRC_DEFAULT;
#endif // USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32H2
#endif // USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 ||
// USE_ESP32_VARIANT_ESP32H2
esp_err_t err = adc_oneshot_new_unit(&init_config, &ADCSensor::shared_adc_handles[this->adc_unit_]);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Error initializing %s: %d", LOG_STR_ARG(adc_unit_to_str(this->adc_unit_)), err);
@@ -74,7 +75,8 @@ void ADCSensor::setup() {
adc_cali_handle_t handle = nullptr;
esp_err_t err;
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
// RISC-V variants and S3 use curve fitting calibration
adc_cali_curve_fitting_config_t cali_config = {}; // Zero initialize first
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)
@@ -111,7 +113,7 @@ void ADCSensor::setup() {
ESP_LOGW(TAG, "Line fitting calibration failed with error %d, will use uncalibrated readings", err);
this->setup_flags_.calibration_complete = false;
}
#endif // USE_ESP32_VARIANT_ESP32C3 || ESP32C6 || ESP32S3 || ESP32H2
#endif // USE_ESP32_VARIANT_ESP32C3 || ESP32C5 || ESP32C6 || ESP32S3 || ESP32H2
}
this->setup_flags_.init_complete = true;
@@ -185,11 +187,12 @@ float ADCSensor::sample_fixed_attenuation_() {
} else {
ESP_LOGW(TAG, "ADC calibration conversion failed with error %d, disabling calibration", err);
if (this->calibration_handle_ != nullptr) {
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
adc_cali_delete_scheme_curve_fitting(this->calibration_handle_);
#else // Other ESP32 variants use line fitting calibration
adc_cali_delete_scheme_line_fitting(this->calibration_handle_);
#endif // USE_ESP32_VARIANT_ESP32C3 || ESP32C6 || ESP32S3 || ESP32H2
#endif // USE_ESP32_VARIANT_ESP32C3 || ESP32C5 || ESP32C6 || ESP32S3 || ESP32H2
this->calibration_handle_ = nullptr;
}
}
@@ -217,7 +220,8 @@ float ADCSensor::sample_autorange_() {
// Need to recalibrate for the new attenuation
if (this->calibration_handle_ != nullptr) {
// Delete old calibration handle
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
adc_cali_delete_scheme_curve_fitting(this->calibration_handle_);
#else
adc_cali_delete_scheme_line_fitting(this->calibration_handle_);
@@ -228,7 +232,8 @@ float ADCSensor::sample_autorange_() {
// Create new calibration handle for this attenuation
adc_cali_handle_t handle = nullptr;
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
adc_cali_curve_fitting_config_t cali_config = {};
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)
cali_config.chan = this->channel_;
@@ -256,7 +261,8 @@ float ADCSensor::sample_autorange_() {
if (err != ESP_OK) {
ESP_LOGW(TAG, "ADC read failed in autorange with error %d", err);
if (handle != nullptr) {
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
adc_cali_delete_scheme_curve_fitting(handle);
#else
adc_cali_delete_scheme_line_fitting(handle);
@@ -275,7 +281,8 @@ float ADCSensor::sample_autorange_() {
voltage = raw * 3.3f / 4095.0f;
}
// Clean up calibration handle
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C6 || USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
USE_ESP32_VARIANT_ESP32S3 || USE_ESP32_VARIANT_ESP32H2
adc_cali_delete_scheme_curve_fitting(handle);
#else
adc_cali_delete_scheme_line_fitting(handle);