i2c_msg Struct Reference

I2C transfer message. More...

#include <i2c.h>

Data Fields
uint16_t	addr
	The slave address.
uint16_t	flags
	The message flags.
uint16_t	len
	The message data length in bytes.
uint8_t *	buf
	Pointer to the message data.

Detailed Description

I2C transfer message.

Field Documentation

addr

uint16_t i2c_msg::addr

The slave address.

In case the I2C_M_TEN flag is set, then this is a 10-bit address, otherwise it is a 7-bit address.

flags

uint16_t i2c_msg::flags

The message flags.

Valid flags are

• I2C_M_TEN,
• I2C_M_RD,
• I2C_M_STOP,
• I2C_M_NOSTART,
• I2C_M_REV_DIR_ADDR,
• I2C_M_IGNORE_NAK,
• I2C_M_NO_RD_ACK, and
• I2C_M_RECV_LEN.

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

• cpukit/include/linux/i2c.h