 |
RTEMS
5.0.0
|
|
RTEMS
5.0.0
|
RTEMS Port of Linux I2C API. More...
#include <stdint.h>Go to the source code of this file.
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. More... | |
| #define | I2C_M_RD 0x0001 |
| I2C message flag to indicate a read transfer (from slave to master). More... | |
| #define | I2C_M_STOP 0x8000 |
| I2C message flag to signal a stop condition even if this is not the last message. More... | |
| #define | I2C_M_NOSTART 0x4000 |
| I2C message flag to omit start condition and slave address. More... | |
| #define | I2C_M_REV_DIR_ADDR 0x2000 |
| I2C message flag to reverse the direction flag. More... | |
| #define | I2C_M_IGNORE_NAK 0x1000 |
| I2C message flag to ignore a non-acknowledge. More... | |
| #define | I2C_M_NO_RD_ACK 0x0800 |
| I2C message flag to omit a master acknowledge/non-acknowledge in a read transfer. More... | |
| #define | I2C_M_RECV_LEN 0x0400 |
| I2C message flag to indicate that the message data length is the first received byte. More... | |
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 |
RTEMS Port of Linux I2C API.
1.8.13