i2c_mem_h.txt

来自「LINUX内核编程的一些程序例子」· 文本 代码 · 共 31 行

/* i2c_mem.h
 *
 * author marco corvi
 * date june 2003
 *
 * i2c memory adapter/algorithm and driver/client header
 *
 * credits: i2c_XXX in the kernel 2.4.X
 *          http://secure/netroedge.com/~lm78/docs.html
 */
#ifndef I2C_MEM_H
#define I2C_MEM_H

#define I2C_MEM_VERSION 0x0001

/* see include/linux/i2c-id.h */
#define I2C_ALGO_MEM     0x200000 
#define I2C_DRV_MEM        0xf000   /* test id */
#define I2C_HW_MEM           0x20

#define I2C_MEM_CDATA_SIZE     16

/* see include/linux/i2c.h */
#define I2C_FUNC_MEM_READ_BYTE  0x00000100
#define I2C_FUNC_MEM_WRITE_BYTE 0x00000200
#define I2C_FUNC_MEM ( I2C_FUNC_MEM_READ_BYTE | I2C_FUNC_MEM_WRITE_BYTE )

#endif /* I2C_MEM_H */