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add484a2ea
Co-authored-by: Otto Winter <otto@otto-winter.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
import logging
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from esphome.const import (
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CONF_INPUT,
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CONF_MODE,
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CONF_NUMBER,
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)
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import esphome.config_validation as cv
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_ESP32C3_SPI_PSRAM_PINS = {
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12: "SPIHD",
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13: "SPIWP",
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14: "SPICS0",
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15: "SPICLK",
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16: "SPID",
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17: "SPIQ",
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}
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_ESP32C3_STRAPPING_PINS = {2, 8, 9}
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_LOGGER = logging.getLogger(__name__)
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def esp32_c3_validate_gpio_pin(value):
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if value < 0 or value > 21:
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raise cv.Invalid(f"Invalid pin number: {value} (must be 0-21)")
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if value in _ESP32C3_SPI_PSRAM_PINS:
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raise cv.Invalid(
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f"This pin cannot be used on ESP32-C3s and is already used by the SPI/PSRAM interface (function: {_ESP32C3_SPI_PSRAM_PINS[value]})"
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)
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if value in _ESP32C3_STRAPPING_PINS:
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_LOGGER.warning(
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"GPIO%d is a Strapping PIN and should be avoided.\n"
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"Attaching external pullup/down resistors to strapping pins can cause unexpected failures.\n"
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"See https://esphome.io/guides/faq.html#why-am-i-getting-a-warning-about-strapping-pins",
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value,
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)
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return value
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def esp32_c3_validate_supports(value):
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num = value[CONF_NUMBER]
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mode = value[CONF_MODE]
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is_input = mode[CONF_INPUT]
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if num < 0 or num > 21:
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raise cv.Invalid(f"Invalid pin number: {value} (must be 0-21)")
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if is_input:
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# All ESP32 pins support input mode
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pass
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return value
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