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SourceVuESP-IDF Framework and ExamplesESP-IDFi2c_set_stop_timing()

i2c_set_stop_timing() function

set I2C master stop signal timing

Syntax

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Summary

Declaration

Definition

from i2c.h:543

esp_err_t i2c_set_stop_timing(i2c_port_t i2c_num, int setup_time, int hold_time);

Implemented in i2c.c:904

Arguments

Argument

Description

i2c_num

I2C port number

setup_time

clock num between the rising-edge of SCL and the rising-edge of SDA, it's a 10-bit value.

hold_time

clock number after the STOP bit's rising-edge, it's a 14-bit value.

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error

References

Code

Location

esp_err_t i2c_set_stop_timing(i2c_port_t i2c_num, int setup_time, int hold_time)

i2c.c:904

esp_err_t i2c_set_stop_timing(i2c_port_t i2c_num, int setup_time, int hold_time);

i2c.h:543

Call Tree

i2c_set_stop_timing() calls 6 functions:

i2c_set_stop_timing()

i2c_ll_master_set_stop_timing()

Data Use

i2c_set_stop_timing() reads 11 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_hal_context_t::dev

I2C_TAG

i2c_context_t::hal

i2c_context_t::spinlock

i2c_context

i2c_set_stop_timing()

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