RTEMS Port of Linux I2C API. More...

#include <stdint.h>

Data Structures
struct	i2c_msg
	I2C transfer message. More...

union	i2c_smbus_data
	SMBus data. More...

Macros
#define	I2C_SMBUS_BLOCK_MAX 32
	Maximum SMBus data block count.

I2C Message Flags
#define	I2C_M_TEN 0x0010
	I2C message flag to indicate a 10-bit address.

#define	I2C_M_RD 0x0001
	I2C message flag to indicate a read transfer (from slave to master).

#define	I2C_M_STOP 0x8000
	I2C message flag to signal a stop condition even if this is not the last message.

#define	I2C_M_NOSTART 0x4000
	I2C message flag to omit start condition and slave address.

#define	I2C_M_REV_DIR_ADDR 0x2000
	I2C message flag to reverse the direction flag.

#define	I2C_M_IGNORE_NAK 0x1000
	I2C message flag to ignore a non-acknowledge.

#define	I2C_M_NO_RD_ACK 0x0800
	I2C message flag to omit a master acknowledge/non-acknowledge in a read transfer.

#define	I2C_M_RECV_LEN 0x0400
	I2C message flag to indicate that the message data length is the first received byte.

I2C Controller Functionality
#define	I2C_FUNC_I2C 0x00000001

#define	I2C_FUNC_10BIT_ADDR 0x00000002

#define	I2C_FUNC_PROTOCOL_MANGLING 0x00000004

#define	I2C_FUNC_SMBUS_PEC 0x00000008

#define	I2C_FUNC_NOSTART 0x00000010

#define	I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000

#define	I2C_FUNC_SMBUS_QUICK 0x00010000

#define	I2C_FUNC_SMBUS_READ_BYTE 0x00020000

#define	I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000

#define	I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000

#define	I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000

#define	I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000

#define	I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000

#define	I2C_FUNC_SMBUS_PROC_CALL 0x00800000

#define	I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000

#define	I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000

#define	I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000

#define	I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000

#define	I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE \| I2C_FUNC_SMBUS_WRITE_BYTE)

#define	I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA \| I2C_FUNC_SMBUS_WRITE_BYTE_DATA)

#define	I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA \| I2C_FUNC_SMBUS_WRITE_WORD_DATA)

#define	I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA \| I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)

#define	I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK \| I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)

#define	I2C_FUNC_SMBUS_EMUL

SMBus Transfer Read and Write Markers
#define	I2C_SMBUS_READ 1

#define	I2C_SMBUS_WRITE 0

SMBus Transaction Types
#define	I2C_SMBUS_QUICK 0

#define	I2C_SMBUS_BYTE 1

#define	I2C_SMBUS_BYTE_DATA 2

#define	I2C_SMBUS_WORD_DATA 3

#define	I2C_SMBUS_PROC_CALL 4

#define	I2C_SMBUS_BLOCK_DATA 5

#define	I2C_SMBUS_I2C_BLOCK_BROKEN 6

#define	I2C_SMBUS_BLOCK_PROC_CALL 7

#define	I2C_SMBUS_I2C_BLOCK_DATA 8

Detailed Description

RTEMS Port of Linux I2C API.

Data Structures

Macros

Detailed Description