spacenav-driver/spnav.h

#ifndef SPNAV_H__
#define SPNAV_H__

#include <stdbool.h>
#define SPNAV_NAXIS 6

#ifdef _WIN32
#define SPNAV_API_EXPORT __declspec(dllexport)
#define SPNAV_API_CALL
#else
#define SPNAV_API_EXPORT /**< API export macro */
#define SPNAV_API_CALL   /**< API call macro */
#endif

#define SPNAV_API_EXPORT_CALL SPNAV_API_EXPORT SPNAV_API_CALL /**< API export and call macro*/

enum event_type {
    ANY,
    MOTION,
    BUTTON
};

struct event_motion {
    int type;
    int x, y, z;
    int rx, ry, rz;
    unsigned int period;
    int *data;
};

struct event_button {
    int type;
    bool press;
    int bnum;
};

typedef union spnav_event {
    int type;
    struct event_motion motion;
    struct event_button button;
} spnav_event;

#ifdef __cplusplus
extern "C" {
#endif

int SPNAV_API_EXPORT_CALL spnav_open(unsigned short vendor_id, unsigned short product_id);
int SPNAV_API_EXPORT_CALL spnav_close(void);
int SPNAV_API_EXPORT_CALL spnav_wait_event(spnav_event *event);
int SPNAV_API_EXPORT_CALL spnav_wait_event_timeout(spnav_event *event, int timeout);
int SPNAV_API_EXPORT_CALL spnav_sensitivity(double sens);
int SPNAV_API_EXPORT_CALL spnav_deadzone(int value);

#ifdef __cplusplus
}
#endif

#endif /* SPNAV_H__ */