i2c.h

来自「嵌入式计算系统-走迷宫 通过LCD显示地图和汽车」· C头文件 代码 · 共 21 行

#ifndef __I2C_H__
#define __I2C_H__

/* ----- commands for the ioctl like i2c_command call */

#define I2C_SLAVE	0x0703			/* Change slave address			*/
									/* Attn.: Slave address is 7 or 10 bits */
#define I2C_SLAVE_FORCE	0x0706		/* Change slave address			*/
									/* Attn.: Slave address is 7 or 10 bits */
									/* This changes the address, even if it */
									/* is already taken!			*/
#define I2C_TENBIT	0x0704			/* 0 for 7 bit addrs, != 0 for 10 bit	*/
#define I2C_FUNCS	0x0705			/* Get the adapter functionality */
#define I2C_RDWR	0x0707			/* Combined R/W transfer (one stop only)*/
#define I2C_SMBUS	0x0720			/* SMBus-level access */

#define I2C_S3C2410_SET_SPEED       0x780   /* set IIC clock speed */
#define I2C_S3C2410_GET_SPEED       0x781   /* get IIC clock speed */

#endif