gpio_set_direction() function

GPIO set direction Configure GPIO mode,such as output_only,input_only,output_and_input

Syntax

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Summary

Declaration

Definition

Implemented in gpio.c:306

Argument

Description

gpio_num

Configure GPIO pins number, it should be GPIO number. If you want to set direction of e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16);

mode

GPIO direction

- ESP_OK Success - ESP_ERR_INVALID_ARG GPIO error

This function always overwrite all the current modes that have applied on the IO pin

gpio_set_direction() is referenced by 16 libraries and example projects:

from examples