esp_rom_gpio_connect_in_signal() function

Combine a GPIO input with a peripheral signal, which tagged as input attribute.

Syntax

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Summary

Declaration

void esp_rom_gpio_connect_in_signal(uint32_t gpio_num, uint32_t signal_idx, bool inv);

Argument

Description

gpio_num

GPIO number, especially, `GPIO_MATRIX_CONST_ZERO_INPUT` means connect logic 0 to signal `GPIO_MATRIX_CONST_ONE_INPUT` means connect logic 1 to signal

signal_idx

Peripheral signal index (tagged as input attribute)

inv

Whether the GPIO input to be inverted or not

There's no limitation on the number of signals that a GPIO can combine with.

esp_rom_gpio_connect_in_signal() is referenced by 3 libraries and example projects:

from examples