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i2c_device_config_t
from the following samples and libraries:
i2c_eeprom sample
i2c_tools sample
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ESP-IDF Framework and Examples
ESP-IDF
i2c_device_config_t
i2c_device_config_t struct
I2C device configuration
Syntax
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Summary
Declaration
from
i2c_master.h:45
typedef
struct
{
i2c_addr_bit_len_t
dev_addr_length
;
uint16_t
device_address
;
uint32_t
scl_speed_hz
;
uint32_t
scl_wait_us
;
struct
{
uint32_t
disable_ack_check
:
1
;
}
flags
;
}
i2c_device_config_t
;
Fields
Field
Declared as
Description
i2c_device_config_t::dev_addr_length
i2c_addr_bit_len_t
Select the address length of the slave device.
i2c_device_config_t::device_address
uint16_t
I2C device raw address. (The 7/10 bit address without read/write bit).
i2c_device_config_t::scl_speed_hz
uint32_t
I2C SCL line frequency.
i2c_device_config_t::scl_wait_us
uint32_t
Timeout value. (unit: us). Please note this value should not be so small that it can handle stretch/disturbance properly. If 0 is set, that means use the default reg value.
i2c_device_config_t::flags
struct
{
uint32_t
disable_ack_check
:
1
;
}
I2C device config flags.
Examples
i2c_device_config_t
is referenced by 2 libraries and example projects:
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