39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
import logging
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from typing import Any
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import esphome.config_validation as cv
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from esphome.const import CONF_INPUT, CONF_MODE, CONF_NUMBER
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from esphome.pins import check_strapping_pin
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# Per the ESP32-S31 datasheet (page 96):
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# https://documentation.espressif.com/esp32-s31_datasheet_en.pdf
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_ESP32S31_SPI_FLASH_PINS: set[int] = {27, 28, 29, 31, 32, 33}
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_ESP32S31_STRAPPING_PINS: set[int] = {60, 61}
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_LOGGER = logging.getLogger(__name__)
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def esp32_s31_validate_gpio_pin(value: int) -> int:
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if value < 0 or value > 61:
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raise cv.Invalid(f"Invalid pin number: {value} (must be 0-61)")
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if value in _ESP32S31_SPI_FLASH_PINS:
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raise cv.Invalid(
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f"GPIO{value} is reserved for the SPI flash interface on ESP32-S31 and cannot be used."
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)
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return value
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def esp32_s31_validate_supports(value: dict[str, Any]) -> dict[str, Any]:
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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 > 61:
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raise cv.Invalid(f"Invalid pin number: {num} (must be 0-61)")
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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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check_strapping_pin(value, _ESP32S31_STRAPPING_PINS, _LOGGER)
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return value
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