therm.h

嵌入式系统设计与实例开发实验教材二源码 多线程应用程序设计 串行端口程序设计 AD接口实验 CAN总线通信实验 GPS通信实验 Linux内核移植与编译实验 IC卡读写实验 SD驱动使

/*
 * linux/include/asm-arm/therm.h: Definitions for Dallas Semiconductor
 *  DS1620 thermometer driver (as used in the Rebel.com NetWinder)
 */
#ifndef __ASM_THERM_H
#define __ASM_THERM_H

/* ioctl numbers for /dev/therm */
#define CMD_SET_THERMOSTATE	0x53
#define CMD_GET_THERMOSTATE	0x54
#define CMD_GET_STATUS		0x56
#define CMD_GET_TEMPERATURE	0x57
#define CMD_SET_THERMOSTATE2	0x58
#define CMD_GET_THERMOSTATE2	0x59
#define CMD_GET_TEMPERATURE2	0x5a
#define CMD_GET_FAN		0x5b
#define CMD_SET_FAN		0x5c

#define FAN_OFF			0
#define FAN_ON			1
#define FAN_ALWAYS_ON		2

struct therm {
	int hi;
	int lo;
};

#endif