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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>
74 lines
2 KiB
Python
74 lines
2 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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_ESP_32S3_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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_ESP_32_ESP32_S3R8_PSRAM_PINS = {
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33: "SPIIO4",
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34: "SPIIO5",
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35: "SPIIO6",
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36: "SPIIO7",
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37: "SPIDQS",
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}
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_ESP_32S3_STRAPPING_PINS = {0, 3, 45, 46}
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_LOGGER = logging.getLogger(__name__)
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def esp32_s3_validate_gpio_pin(value):
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if value < 0 or value > 48:
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raise cv.Invalid(f"Invalid pin number: {value} (must be 0-46)")
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if value in _ESP_32S3_SPI_PSRAM_PINS:
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raise cv.Invalid(
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f"This pin cannot be used on ESP32-S3s and is already used by the SPI/PSRAM interface(function: {_ESP_32S3_SPI_PSRAM_PINS[value]})"
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)
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if value in _ESP_32_ESP32_S3R8_PSRAM_PINS:
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_LOGGER.warning(
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"GPIO%d is used by the PSRAM interface on ESP32-S3R8 / ESP32-S3R8V and should be avoided on these models",
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value,
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)
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if value in _ESP_32S3_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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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-S3s.")
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return value
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def esp32_s3_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 > 48:
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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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return value
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