Symbols

loading (1/5)...

Files

loading (3/5)...

Summary Syntax Arguments References Call Tree Data Use

SourceVuESP-IDF Framework and ExamplesESP-IDFi2c_set_period()

i2c_set_period() function

Set I2C master clock period

Syntax

Show:

Summary

Declaration

Definition

from i2c.h:463

esp_err_t i2c_set_period(i2c_port_t i2c_num, int high_period, int low_period);

Implemented in i2c.c:839

Arguments

Argument

Description

i2c_num

I2C port number

high_period

Clock cycle number during SCL is high level, high_period is a 14 bit value

low_period

Clock cycle number during SCL is low level, low_period is a 14 bit value

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error

References

Code

Location

esp_err_t i2c_set_period(i2c_port_t i2c_num, int high_period, int low_period)

i2c.c:839

esp_err_t i2c_set_period(i2c_port_t i2c_num, int high_period, int low_period);

i2c.h:463

Call Tree

i2c_set_period() calls 6 functions:

i2c_set_period()

i2c_ll_set_scl_timing()

Data Use

i2c_set_period() 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_period()

Class Tree

All items filtered out

Override Tree

All items filtered out

Implementations

All items filtered out

Instances

Lifecycle

All items filtered out