I2C master bus configuration structure. More...

#include <EspTypes_I2C.h>

Public Member Functions
	hf_i2c_master_bus_config_t () noexcept
	Default constructor with sensible defaults.

Public Attributes
i2c_port_t	i2c_port
	I2C port number (0 to MAX_PORTS-1)

hf_pin_num_t	sda_io_num
	SDA GPIO pin number.

hf_pin_num_t	scl_io_num
	SCL GPIO pin number.

hf_i2c_mode_t	mode
	Operation mode (sync/async)

uint32_t	trans_queue_depth
	Transaction queue depth for async ops.

hf_i2c_clock_source_t	clk_source
	Clock source selection.

hf_i2c_glitch_filter_t	glitch_ignore_cnt
	Digital glitch filter length.

uint32_t	intr_priority
	Interrupt priority (0-7, 0=lowest)

struct {

bool enable_internal_pullup

bool allow_pd

}	flags

Detailed Description

I2C master bus configuration structure.

Configuration for creating an I2C master bus.

Constructor & Destructor Documentation

◆ hf_i2c_master_bus_config_t()

hf_i2c_master_bus_config_t::hf_i2c_master_bus_config_t ( )

inlinenoexcept

Default constructor with sensible defaults.

Member Data Documentation

◆ allow_pd

bool hf_i2c_master_bus_config_t::allow_pd

◆ clk_source

hf_i2c_clock_source_t hf_i2c_master_bus_config_t::clk_source

Clock source selection.

◆ enable_internal_pullup

bool hf_i2c_master_bus_config_t::enable_internal_pullup

◆ [struct]

struct { ... } hf_i2c_master_bus_config_t::flags

◆ glitch_ignore_cnt

hf_i2c_glitch_filter_t hf_i2c_master_bus_config_t::glitch_ignore_cnt

Digital glitch filter length.

◆ i2c_port

i2c_port_t hf_i2c_master_bus_config_t::i2c_port

I2C port number (0 to MAX_PORTS-1)

◆ intr_priority

uint32_t hf_i2c_master_bus_config_t::intr_priority

Interrupt priority (0-7, 0=lowest)

◆ mode

hf_i2c_mode_t hf_i2c_master_bus_config_t::mode

Operation mode (sync/async)

◆ scl_io_num

hf_pin_num_t hf_i2c_master_bus_config_t::scl_io_num

SCL GPIO pin number.

◆ sda_io_num

hf_pin_num_t hf_i2c_master_bus_config_t::sda_io_num

SDA GPIO pin number.

◆ trans_queue_depth

uint32_t hf_i2c_master_bus_config_t::trans_queue_depth

Transaction queue depth for async ops.

The documentation for this struct was generated from the following file:

inc/mcu/esp32/utils/EspTypes_I2C.h

Public Member Functions

Public Attributes