i2c_set_pin() function

Configure GPIO pins for I2C SCK and SDA signals.

Syntax

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Summary

Declaration

Definition

esp_err_t i2c_set_pin(i2c_port_t i2c_num, int sda_io_num, int scl_io_num, bool sda_pullup_en, bool scl_pullup_en, i2c_mode_t mode);

Implemented in i2c.c:966

Argument

Description

i2c_num

I2C port number

sda_io_num

GPIO number for I2C SDA signal

scl_io_num

GPIO number for I2C SCL signal

sda_pullup_en

Enable the internal pullup for SDA pin

scl_pullup_en

Enable the internal pullup for SCL pin

mode

I2C mode

- ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error

from examples