i2c_interface Struct Reference

An I2C interface. More...

#include <i2c.h>

Data Fields
int(*	read )(struct i2c_interface *i2c, struct i2c_device *i2cdev, unsigned int offset, uint8_t *data, unsigned int len)
	Read data from I2C device.
int(*	write )(struct i2c_interface *i2c, struct i2c_device *i2cdev, unsigned int offset, const uint8_t *data, unsigned int len)
	Write data to I2C device.

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Detailed Description

An I2C interface.

An I2C interface provides access to an I2C bus, via which I2C devices may be reached.

Definition at line 57 of file i2c.h.

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Field Documentation

int( * i2c_interface::read)(struct i2c_interface *i2c, struct i2c_device *i2cdev, unsigned int offset, uint8_t *data, unsigned int len)

Read data from I2C device.

Parameters:

	i2c	I2C interface
	i2cdev	I2C device
	offset	Starting offset within the device
	data	Data buffer
	len	Length of data buffer

Return values:

rc

Return status code

Referenced by init_i2c_bit_basher(), linda_read_eeprom(), sfe4001_fini(), and sfe4001_init().

int( * i2c_interface::write)(struct i2c_interface *i2c, struct i2c_device *i2cdev, unsigned int offset, const uint8_t *data, unsigned int len)

Write data to I2C device.

Parameters:

	i2c	I2C interface
	i2cdev	I2C device
	offset	Starting offset within the device
	data	Data buffer
	len	Length of data buffer

Return values:

rc

Return status code

Referenced by i2c_check_presence(), init_i2c_bit_basher(), sfe4001_fini(), and sfe4001_init().

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

• include/gpxe/i2c.h