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#ifndef _LINUX_JOYSTICK_H
#define _LINUX_JOYSTICK_H
/*
* $Id: joystick.h,v 1.2 1997/10/31 19:11:57 mj Exp $
*
* Copyright (C) 1997 Vojtech Pavlik
*/
#include <linux/ioctl.h>
#include <asm/types.h>
/*
* Version
*/
#define JS_VERSION 0x00010006L /* 1.0.6 BCD */
/*
* IOCTL commands for joystick driver
*/
#define JSIOCGVERSION _IOR('j', 0x01, __u32) /* get driver version */
#define JSIOCGAXES _IOR('j', 0x11, __u8) /* get number of axes */
#define JSIOCGBUTTONS _IOR('j', 0x12, __u8) /* get number of buttons */
#define JSIOCSCORR _IOW('j', 0x21, struct js_corr[4]) /* set correction values */
#define JSIOCGCORR _IOR('j', 0x22, struct js_corr[4]) /* get correction values */
/*
* Types and constants for get/set correction
*/
#define JS_CORR_NONE 0x00 /* returns raw values */
#define JS_CORR_BROKEN 0x01 /* broken line */
struct js_corr {
__s32 coef[8];
__u16 prec;
__u16 type;
};
/*
* Types and constants for reading from /dev/js
*/
#define JS_EVENT_BUTTON 0x01 /* button pressed/released */
#define JS_EVENT_AXIS 0x02 /* joystick moved */
#define JS_EVENT_INIT 0x80 /* initial state of device */
struct js_event {
__u32 time; /* time when event happened in miliseconds since open */
__u16 value; /* new value */
__u8 type; /* type of event, see above */
__u8 number; /* axis/button number */
};
/*
* Backward (version 0.x) compatibility definitions
*/
#define JS_RETURN sizeof(struct JS_DATA_TYPE)
#define JS_TRUE 1
#define JS_FALSE 0
#define JS_X_0 0x01 /* bit mask for x-axis js0 */
#define JS_Y_0 0x02 /* bit mask for y-axis js0 */
#define JS_X_1 0x04 /* bit mask for x-axis js1 */
#define JS_Y_1 0x08 /* bit mask for y-axis js1 */
#define JS_MAX 2 /* max number of joysticks */
struct JS_DATA_TYPE {
int buttons; /* immediate button state */
int x; /* immediate x axis value */
int y; /* immediate y axis value */
};
extern int js_init(void);
#endif /* _LINUX_JOYSTICK_H */
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