ESP-IDF support and generic target platforms (#2303)

* Socket refactor and SSL

* esp-idf temp

* Fixes

* Echo component and noise

* Add noise API transport support

* Updates

* ESP-IDF

* Complete

* Fixes

* Fixes

* Versions update

* New i2c APIs

* Complete i2c refactor

* SPI migration

* Revert ESP Preferences migration, too complex for now

* OTA support

* Remove echo again

* Remove ssl again

* GPIOFlags updates

* Rename esphal and ICACHE_RAM_ATTR

* Make ESP32 arduino compilable again

* Fix GPIO flags

* Complete pin registry refactor and fixes

* Fixes to make test1 compile

* Remove sdkconfig file

* Ignore sdkconfig file

* Fixes in reviewing

* Make test2 compile

* Make test4 compile

* Make test5 compile

* Run clang-format

* Fix lint errors

* Use esp-idf APIs instead of btStart

* Another round of fixes

* Start implementing ESP8266

* Make test3 compile

* Guard esp8266 code

* Lint

* Reformat

* Fixes

* Fixes v2

* more fixes

* ESP-IDF tidy target

* Convert ARDUINO_ARCH_ESPxx

* Update WiFiSignalSensor

* Update time ifdefs

* OTA needs millis from hal

* RestartSwitch needs delay from hal

* ESP-IDF Uart

* Fix OTA blank password

* Allow setting sdkconfig

* Fix idf partitions and allow setting sdkconfig from yaml

* Re-add read/write compat APIs and fix esp8266 uart

* Fix esp8266 store log strings in flash

* Fix ESP32 arduino preferences not initialized

* Update ifdefs

* Change how sdkconfig change is detected

* Add checks to ci-custom and fix them

* Run clang-format

* Add esp-idf clang-tidy target and fix errors

* Fixes from clang-tidy idf round 2

* Fixes from compiling tests with esp-idf

* Run clang-format

* Switch test5.yaml to esp-idf

* Implement ESP8266 Preferences

* Lint

* Re-do PIO package version selection a bit

* Fix arduinoespressif32 package version

* Fix unit tests

* Lint

* Lint fixes

* Fix readv/writev not defined

* Fix graphing component

* Re-add all old options from core/config.py

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/adc/sensor.py

@@ -5,11 +5,13 @@ from esphome.components import sensor, voltage_sampler
 from esphome.const import (
     CONF_ATTENUATION,
     CONF_ID,
+    CONF_INPUT,
     CONF_PIN,
     DEVICE_CLASS_VOLTAGE,
     STATE_CLASS_MEASUREMENT,
     UNIT_VOLT,
 )
+from esphome.core import CORE
 
 
 AUTO_LOAD = ["voltage_sampler"]
@@ -23,10 +25,34 @@ ATTENUATION_MODES = {
 
 
 def validate_adc_pin(value):
-    vcc = str(value).upper()
-    if vcc == "VCC":
-        return cv.only_on_esp8266(vcc)
-    return pins.analog_pin(value)
+    if str(value).upper() == "VCC":
+        return cv.only_on_esp8266("VCC")
+
+    if CORE.is_esp32:
+        from esphome.components.esp32 import is_esp32c3
+
+        value = pins.internal_gpio_input_pin_number(value)
+        if is_esp32c3():
+            if not (0 <= value <= 4):  # ADC1
+                raise cv.Invalid("ESP32-C3: Only pins 0 though 4 support ADC.")
+        if not (32 <= value <= 39):  # ADC1
+            raise cv.Invalid("ESP32: Only pins 32 though 39 support ADC.")
+    elif CORE.is_esp8266:
+        from esphome.components.esp8266.gpio import CONF_ANALOG
+
+        value = pins.internal_gpio_pin_number({CONF_ANALOG: True, CONF_INPUT: True})(
+            value
+        )
+
+        if value != 17:  # A0
+            raise cv.Invalid("ESP8266: Only pin A0 (GPIO17) supports ADC.")
+        return pins.gpio_pin_schema(
+            {CONF_ANALOG: True, CONF_INPUT: True}, internal=True
+        )(value)
+    else:
+        raise NotImplementedError
+
+    return pins.internal_gpio_input_pin_schema(value)
 
 
 adc_ns = cg.esphome_ns.namespace("adc")
@@ -62,7 +88,8 @@ async def to_code(config):
     if config[CONF_PIN] == "VCC":
         cg.add_define("USE_ADC_SENSOR_VCC")
     else:
-        cg.add(var.set_pin(config[CONF_PIN]))
+        pin = await cg.gpio_pin_expression(config[CONF_PIN])
+        cg.add(var.set_pin(pin))
 
     if CONF_ATTENUATION in config:
         cg.add(var.set_attenuation(config[CONF_ATTENUATION]))