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SourceVuESP-IDF Framework and ExamplesESP-IDFi2c_set_data_mode()

i2c_set_data_mode() function

set I2C data transfer mode

Syntax

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Summary

Declaration

Definition

from i2c.h:615

esp_err_t i2c_set_data_mode(i2c_port_t i2c_num, i2c_trans_mode_t tx_trans_mode, i2c_trans_mode_t rx_trans_mode);

Implemented in i2c.c:634

Arguments

Argument

Description

i2c_num

I2C port number

tx_trans_mode

I2C sending data mode

rx_trans_mode

I2C receiving data mode

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error

References

Code

Location

esp_err_t i2c_set_data_mode(i2c_port_t i2c_num, i2c_trans_mode_t tx_trans_mode, i2c_trans_mode_t rx_trans_mode)

i2c.c:634

esp_err_t i2c_set_data_mode(i2c_port_t i2c_num, i2c_trans_mode_t tx_trans_mode, i2c_trans_mode_t rx_trans_mode);

i2c.h:615

Call Tree

i2c_set_data_mode() calls 6 functions:

i2c_set_data_mode()

i2c_ll_set_data_mode()

Data Use

i2c_set_data_mode() reads 12 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

i2c_port_t::I2C_NUM_MAX

i2c_trans_mode_t::I2C_DATA_MODE_MAX

i2c_hal_context_t::dev

I2C_TAG

i2c_context_t::hal

i2c_context_t::spinlock

i2c_context

i2c_set_data_mode()

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