mirror of https://github.com/esphome/esphome.git
197 lines
6.4 KiB
Python
197 lines
6.4 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER
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from esphome.core import CORE
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from esphome.components.esp32 import get_esp32_variant
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from esphome.const import PLATFORM_ESP8266
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from esphome.components.esp32.const import (
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VARIANT_ESP32,
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VARIANT_ESP32C2,
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VARIANT_ESP32C3,
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VARIANT_ESP32C6,
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VARIANT_ESP32H2,
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VARIANT_ESP32S2,
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VARIANT_ESP32S3,
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)
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CODEOWNERS = ["@esphome/core"]
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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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"auto": "auto",
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}
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adc1_channel_t = cg.global_ns.enum("adc1_channel_t")
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adc2_channel_t = cg.global_ns.enum("adc2_channel_t")
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# From https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/adc_common.h
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# pin to adc1 channel mapping
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ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
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VARIANT_ESP32: {
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36: adc1_channel_t.ADC1_CHANNEL_0,
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37: adc1_channel_t.ADC1_CHANNEL_1,
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38: adc1_channel_t.ADC1_CHANNEL_2,
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39: adc1_channel_t.ADC1_CHANNEL_3,
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32: adc1_channel_t.ADC1_CHANNEL_4,
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33: adc1_channel_t.ADC1_CHANNEL_5,
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34: adc1_channel_t.ADC1_CHANNEL_6,
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35: adc1_channel_t.ADC1_CHANNEL_7,
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},
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VARIANT_ESP32S2: {
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1: adc1_channel_t.ADC1_CHANNEL_0,
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2: adc1_channel_t.ADC1_CHANNEL_1,
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3: adc1_channel_t.ADC1_CHANNEL_2,
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4: adc1_channel_t.ADC1_CHANNEL_3,
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5: adc1_channel_t.ADC1_CHANNEL_4,
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6: adc1_channel_t.ADC1_CHANNEL_5,
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7: adc1_channel_t.ADC1_CHANNEL_6,
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8: adc1_channel_t.ADC1_CHANNEL_7,
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9: adc1_channel_t.ADC1_CHANNEL_8,
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10: adc1_channel_t.ADC1_CHANNEL_9,
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},
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VARIANT_ESP32S3: {
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1: adc1_channel_t.ADC1_CHANNEL_0,
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2: adc1_channel_t.ADC1_CHANNEL_1,
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3: adc1_channel_t.ADC1_CHANNEL_2,
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4: adc1_channel_t.ADC1_CHANNEL_3,
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5: adc1_channel_t.ADC1_CHANNEL_4,
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6: adc1_channel_t.ADC1_CHANNEL_5,
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7: adc1_channel_t.ADC1_CHANNEL_6,
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8: adc1_channel_t.ADC1_CHANNEL_7,
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9: adc1_channel_t.ADC1_CHANNEL_8,
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10: adc1_channel_t.ADC1_CHANNEL_9,
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},
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VARIANT_ESP32C3: {
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0: adc1_channel_t.ADC1_CHANNEL_0,
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1: adc1_channel_t.ADC1_CHANNEL_1,
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2: adc1_channel_t.ADC1_CHANNEL_2,
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3: adc1_channel_t.ADC1_CHANNEL_3,
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4: adc1_channel_t.ADC1_CHANNEL_4,
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},
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VARIANT_ESP32C2: {
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0: adc1_channel_t.ADC1_CHANNEL_0,
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1: adc1_channel_t.ADC1_CHANNEL_1,
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2: adc1_channel_t.ADC1_CHANNEL_2,
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3: adc1_channel_t.ADC1_CHANNEL_3,
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4: adc1_channel_t.ADC1_CHANNEL_4,
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},
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VARIANT_ESP32C6: {
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0: adc1_channel_t.ADC1_CHANNEL_0,
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1: adc1_channel_t.ADC1_CHANNEL_1,
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2: adc1_channel_t.ADC1_CHANNEL_2,
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3: adc1_channel_t.ADC1_CHANNEL_3,
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4: adc1_channel_t.ADC1_CHANNEL_4,
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5: adc1_channel_t.ADC1_CHANNEL_5,
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6: adc1_channel_t.ADC1_CHANNEL_6,
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},
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VARIANT_ESP32H2: {
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0: adc1_channel_t.ADC1_CHANNEL_0,
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1: adc1_channel_t.ADC1_CHANNEL_1,
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2: adc1_channel_t.ADC1_CHANNEL_2,
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3: adc1_channel_t.ADC1_CHANNEL_3,
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4: adc1_channel_t.ADC1_CHANNEL_4,
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},
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}
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ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
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# TODO: add other variants
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VARIANT_ESP32: {
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4: adc2_channel_t.ADC2_CHANNEL_0,
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0: adc2_channel_t.ADC2_CHANNEL_1,
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2: adc2_channel_t.ADC2_CHANNEL_2,
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15: adc2_channel_t.ADC2_CHANNEL_3,
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13: adc2_channel_t.ADC2_CHANNEL_4,
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12: adc2_channel_t.ADC2_CHANNEL_5,
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14: adc2_channel_t.ADC2_CHANNEL_6,
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27: adc2_channel_t.ADC2_CHANNEL_7,
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25: adc2_channel_t.ADC2_CHANNEL_8,
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26: adc2_channel_t.ADC2_CHANNEL_9,
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},
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VARIANT_ESP32S2: {
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11: adc2_channel_t.ADC2_CHANNEL_0,
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12: adc2_channel_t.ADC2_CHANNEL_1,
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13: adc2_channel_t.ADC2_CHANNEL_2,
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14: adc2_channel_t.ADC2_CHANNEL_3,
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15: adc2_channel_t.ADC2_CHANNEL_4,
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16: adc2_channel_t.ADC2_CHANNEL_5,
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17: adc2_channel_t.ADC2_CHANNEL_6,
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18: adc2_channel_t.ADC2_CHANNEL_7,
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19: adc2_channel_t.ADC2_CHANNEL_8,
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20: adc2_channel_t.ADC2_CHANNEL_9,
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},
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VARIANT_ESP32S3: {
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11: adc2_channel_t.ADC2_CHANNEL_0,
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12: adc2_channel_t.ADC2_CHANNEL_1,
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13: adc2_channel_t.ADC2_CHANNEL_2,
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14: adc2_channel_t.ADC2_CHANNEL_3,
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15: adc2_channel_t.ADC2_CHANNEL_4,
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16: adc2_channel_t.ADC2_CHANNEL_5,
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17: adc2_channel_t.ADC2_CHANNEL_6,
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18: adc2_channel_t.ADC2_CHANNEL_7,
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19: adc2_channel_t.ADC2_CHANNEL_8,
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20: adc2_channel_t.ADC2_CHANNEL_9,
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},
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VARIANT_ESP32C3: {
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5: adc2_channel_t.ADC2_CHANNEL_0,
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},
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VARIANT_ESP32C2: {},
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VARIANT_ESP32C6: {},
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VARIANT_ESP32H2: {},
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}
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def validate_adc_pin(value):
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if str(value).upper() == "VCC":
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if CORE.is_rp2040:
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return pins.internal_gpio_input_pin_schema(29)
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return cv.only_on([PLATFORM_ESP8266])("VCC")
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if str(value).upper() == "TEMPERATURE":
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return cv.only_on_rp2040("TEMPERATURE")
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if CORE.is_esp32:
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conf = pins.internal_gpio_input_pin_schema(value)
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value = conf[CONF_NUMBER]
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variant = get_esp32_variant()
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if (
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variant not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL
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and variant not in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL
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):
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raise cv.Invalid(f"This ESP32 variant ({variant}) is not supported")
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if (
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value not in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant]
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and value not in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
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):
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raise cv.Invalid(f"{variant} doesn't support ADC on this pin")
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return conf
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if CORE.is_esp8266:
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conf = pins.gpio_pin_schema(
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{CONF_ANALOG: True, CONF_INPUT: True}, internal=True
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)(value)
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if conf[CONF_NUMBER] != 17: # A0
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raise cv.Invalid("ESP8266: Only pin A0 (GPIO17) supports ADC")
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return conf
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if CORE.is_rp2040:
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conf = pins.internal_gpio_input_pin_schema(value)
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number = conf[CONF_NUMBER]
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if number not in (26, 27, 28, 29):
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raise cv.Invalid("RP2040: Only pins 26, 27, 28 and 29 support ADC")
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return conf
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if CORE.is_libretiny:
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return pins.gpio_pin_schema(
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{CONF_ANALOG: True, CONF_INPUT: True}, internal=True
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)(value)
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raise NotImplementedError
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