i2c_acquire_bus_handle() function

Acquire I2C bus handle

Syntax

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Summary

Declaration

Definition

from i2c_private.h:244

esp_err_t i2c_acquire_bus_handle(i2c_port_num_t port_num, i2c_bus_handle_t *i2c_new_bus, i2c_bus_mode_t mode);

Implemented in i2c_common.c:151

Arguments

Argument

Description

port_num

I2C port number.

i2c_new_bus

mode

Return value

- ESP_OK: Acquire bus handle successfully. - ESP_ERR_INVALID_ARG: Argument error. - ESP_ERR_INVALID_STATE: Acquire bus invalid state because bus has already acquired.

Examples

References

from examples

i2c_acquire_bus_handle() function

Syntax

Arguments

Return value

Examples

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