mirror of
https://github.com/esphome/esphome.git
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76 lines
2.0 KiB
Python
76 lines
2.0 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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CONF_OUTPUT,
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CONF_PULLDOWN,
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CONF_PULLUP,
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)
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import esphome.config_validation as cv
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from esphome.pins import check_strapping_pin
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_ESP32S2_SPI_PSRAM_PINS = {
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26: "SPICS1",
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27: "SPIHD",
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28: "SPIWP",
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29: "SPICS0",
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30: "SPICLK",
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31: "SPIQ",
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32: "SPID",
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}
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_ESP32S2_STRAPPING_PINS = {0, 45, 46}
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_LOGGER = logging.getLogger(__name__)
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def esp32_s2_validate_gpio_pin(value):
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if value < 0 or value > 46:
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raise cv.Invalid(f"Invalid pin number: {value} (must be 0-46)")
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if value in _ESP32S2_SPI_PSRAM_PINS:
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raise cv.Invalid(
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f"This pin cannot be used on ESP32-S2s and is already used by the SPI/PSRAM interface (function: {_ESP32S2_SPI_PSRAM_PINS[value]})"
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)
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if value in (22, 23, 24, 25):
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# These pins are not exposed in GPIO mux (reason unknown)
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# but they're missing from IO_MUX list in datasheet
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raise cv.Invalid(f"The pin GPIO{value} is not usable on ESP32-S2s.")
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return value
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def esp32_s2_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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is_output = mode[CONF_OUTPUT]
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is_pullup = mode[CONF_PULLUP]
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is_pulldown = mode[CONF_PULLDOWN]
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if num < 0 or num > 46:
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raise cv.Invalid(f"Invalid pin number: {num} (must be 0-46)")
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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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if is_output and num == 46:
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raise cv.Invalid(
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f"GPIO{num} does not support output pin mode.",
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[CONF_MODE, CONF_OUTPUT],
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)
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if is_pullup and num == 46:
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raise cv.Invalid(
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f"GPIO{num} does not support pullups.", [CONF_MODE, CONF_PULLUP]
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)
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if is_pulldown and num == 46:
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raise cv.Invalid(
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f"GPIO{num} does not support pulldowns.", [CONF_MODE, CONF_PULLDOWN]
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)
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check_strapping_pin(value, _ESP32S2_STRAPPING_PINS, _LOGGER)
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return value
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