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https://github.com/esphome/esphome.git
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commit
ad0a1c5c35
@ -18,11 +18,23 @@ from esphome.components.esp32.const import (
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CODEOWNERS = ["@esphome/core"]
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adc_ns = cg.esphome_ns.namespace("adc")
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"""
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From the below patch versions (and 5.2+) ADC_ATTEN_DB_11 is deprecated and replaced with ADC_ATTEN_DB_12.
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4.4.7
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5.0.5
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5.1.3
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5.2+
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"""
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ATTENUATION_MODES = {
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"0db": cg.global_ns.ADC_ATTEN_DB_0,
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"2.5db": cg.global_ns.ADC_ATTEN_DB_2_5,
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"6db": cg.global_ns.ADC_ATTEN_DB_6,
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"11db": cg.global_ns.ADC_ATTEN_DB_11,
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"11db": adc_ns.ADC_ATTEN_DB_12_COMPAT,
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"12db": adc_ns.ADC_ATTEN_DB_12_COMPAT,
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"auto": "auto",
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}
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@ -62,7 +62,7 @@ extern "C"
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}
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// load characteristics for each attenuation
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for (int32_t i = 0; i <= ADC_ATTEN_DB_11; i++) {
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for (int32_t i = 0; i <= ADC_ATTEN_DB_12_COMPAT; i++) {
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auto adc_unit = channel1_ != ADC1_CHANNEL_MAX ? ADC_UNIT_1 : ADC_UNIT_2;
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auto cal_value = esp_adc_cal_characterize(adc_unit, (adc_atten_t) i, ADC_WIDTH_MAX_SOC_BITS,
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1100, // default vref
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@ -118,8 +118,8 @@ void ADCSensor::dump_config() {
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case ADC_ATTEN_DB_6:
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ESP_LOGCONFIG(TAG, " Attenuation: 6db");
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break;
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case ADC_ATTEN_DB_11:
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ESP_LOGCONFIG(TAG, " Attenuation: 11db");
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case ADC_ATTEN_DB_12_COMPAT:
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ESP_LOGCONFIG(TAG, " Attenuation: 12db");
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break;
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default: // This is to satisfy the unused ADC_ATTEN_MAX
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break;
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@ -183,12 +183,12 @@ float ADCSensor::sample() {
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return mv / 1000.0f;
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}
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int raw11 = ADC_MAX, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
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int raw12 = ADC_MAX, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
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if (channel1_ != ADC1_CHANNEL_MAX) {
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adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_11);
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raw11 = adc1_get_raw(channel1_);
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if (raw11 < ADC_MAX) {
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adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_12_COMPAT);
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raw12 = adc1_get_raw(channel1_);
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if (raw12 < ADC_MAX) {
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adc1_config_channel_atten(channel1_, ADC_ATTEN_DB_6);
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raw6 = adc1_get_raw(channel1_);
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if (raw6 < ADC_MAX) {
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@ -201,9 +201,9 @@ float ADCSensor::sample() {
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}
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}
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} else if (channel2_ != ADC2_CHANNEL_MAX) {
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adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_11);
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adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw11);
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if (raw11 < ADC_MAX) {
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adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_12_COMPAT);
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adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw12);
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if (raw12 < ADC_MAX) {
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adc2_config_channel_atten(channel2_, ADC_ATTEN_DB_6);
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adc2_get_raw(channel2_, ADC_WIDTH_MAX_SOC_BITS, &raw6);
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if (raw6 < ADC_MAX) {
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@ -217,25 +217,25 @@ float ADCSensor::sample() {
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}
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}
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if (raw0 == -1 || raw2 == -1 || raw6 == -1 || raw11 == -1) {
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if (raw0 == -1 || raw2 == -1 || raw6 == -1 || raw12 == -1) {
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return NAN;
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}
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uint32_t mv11 = esp_adc_cal_raw_to_voltage(raw11, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_11]);
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uint32_t mv12 = esp_adc_cal_raw_to_voltage(raw12, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_12_COMPAT]);
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uint32_t mv6 = esp_adc_cal_raw_to_voltage(raw6, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_6]);
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uint32_t mv2 = esp_adc_cal_raw_to_voltage(raw2, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_2_5]);
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uint32_t mv0 = esp_adc_cal_raw_to_voltage(raw0, &cal_characteristics_[(int32_t) ADC_ATTEN_DB_0]);
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// Contribution of each value, in range 0-2048 (12 bit ADC) or 0-4096 (13 bit ADC)
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uint32_t c11 = std::min(raw11, ADC_HALF);
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uint32_t c12 = std::min(raw12, ADC_HALF);
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uint32_t c6 = ADC_HALF - std::abs(raw6 - ADC_HALF);
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uint32_t c2 = ADC_HALF - std::abs(raw2 - ADC_HALF);
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uint32_t c0 = std::min(ADC_MAX - raw0, ADC_HALF);
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// max theoretical csum value is 4096*4 = 16384
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uint32_t csum = c11 + c6 + c2 + c0;
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uint32_t csum = c12 + c6 + c2 + c0;
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// each mv is max 3900; so max value is 3900*4096*4, fits in unsigned32
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uint32_t mv_scaled = (mv11 * c11) + (mv6 * c6) + (mv2 * c2) + (mv0 * c0);
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uint32_t mv_scaled = (mv12 * c12) + (mv6 * c6) + (mv2 * c2) + (mv0 * c0);
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return mv_scaled / (float) (csum * 1000U);
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}
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#endif // USE_ESP32
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@ -1,19 +1,34 @@
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/defines.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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#include "esphome/core/component.h"
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#include "esphome/core/defines.h"
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#include "esphome/core/hal.h"
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#ifdef USE_ESP32
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#include "driver/adc.h"
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#include <esp_adc_cal.h>
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#include "driver/adc.h"
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#endif
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namespace esphome {
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namespace adc {
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#ifdef USE_ESP32
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// clang-format off
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#if (ESP_IDF_VERSION_MAJOR == 4 && ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 4, 7)) || \
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(ESP_IDF_VERSION_MAJOR == 5 && \
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((ESP_IDF_VERSION_MINOR == 0 && ESP_IDF_VERSION_PATCH >= 5) || \
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(ESP_IDF_VERSION_MINOR == 1 && ESP_IDF_VERSION_PATCH >= 3) || \
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(ESP_IDF_VERSION_MINOR >= 2)) \
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)
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// clang-format on
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static const adc_atten_t ADC_ATTEN_DB_12_COMPAT = ADC_ATTEN_DB_12;
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#else
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static const adc_atten_t ADC_ATTEN_DB_12_COMPAT = ADC_ATTEN_DB_11;
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#endif
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#endif // USE_ESP32
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class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
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public:
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#ifdef USE_ESP32
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@ -1,3 +1,5 @@
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import logging
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import esphome.codegen as cg
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import esphome.config_validation as cv
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import esphome.final_validate as fv
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@ -19,16 +21,29 @@ from . import (
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ATTENUATION_MODES,
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ESP32_VARIANT_ADC1_PIN_TO_CHANNEL,
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ESP32_VARIANT_ADC2_PIN_TO_CHANNEL,
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adc_ns,
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validate_adc_pin,
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)
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_LOGGER = logging.getLogger(__name__)
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AUTO_LOAD = ["voltage_sampler"]
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_attenuation = cv.enum(ATTENUATION_MODES, lower=True)
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def validate_config(config):
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if config[CONF_RAW] and config.get(CONF_ATTENUATION, None) == "auto":
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raise cv.Invalid("Automatic attenuation cannot be used when raw output is set")
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if config.get(CONF_ATTENUATION) == "11db":
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_LOGGER.warning(
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"`attenuation: 11db` is deprecated, use `attenuation: 12db` instead"
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)
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# Alter value here so `config` command prints the recommended change
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config[CONF_ATTENUATION] = _attenuation("12db")
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return config
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@ -47,7 +62,6 @@ def final_validate_config(config):
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return config
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adc_ns = cg.esphome_ns.namespace("adc")
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ADCSensor = adc_ns.class_(
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"ADCSensor", sensor.Sensor, cg.PollingComponent, voltage_sampler.VoltageSampler
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)
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@ -65,7 +79,7 @@ CONFIG_SCHEMA = cv.All(
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cv.Required(CONF_PIN): validate_adc_pin,
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cv.Optional(CONF_RAW, default=False): cv.boolean,
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cv.SplitDefault(CONF_ATTENUATION, esp32="0db"): cv.All(
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cv.only_on_esp32, cv.enum(ATTENUATION_MODES, lower=True)
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cv.only_on_esp32, _attenuation
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),
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}
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)
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@ -1,6 +1,6 @@
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"""Constants used by esphome."""
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__version__ = "2024.5.0b5"
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__version__ = "2024.5.0b6"
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ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
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VALID_SUBSTITUTIONS_CHARACTERS = (
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