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#ifndef _HID_H
#define _HID_H
#include <stdio.h>
#include <sys/syslog.h>
#ifdef __linux__
#include <linux/types.h>
#endif /* __linux__ */
#include <m_pd.h>
/*
* this is automatically generated from linux/input.h by
* make-arrays-from-input.h.pl to be the cross-platform event types and codes
*/
#include "input_arrays.h"
#define HID_MAJOR_VERSION 0
#define HID_MINOR_VERSION 7
/* static char *version = "$Revision: 1.29 $"; */
/*------------------------------------------------------------------------------
* GLOBAL DEFINES
*/
#define DEFAULT_DELAY 5
/* this is set to simplify data structures (arrays instead of linked lists) */
#define MAX_DEVICES 128
/* think 64 is the limit per device as defined in the OS */
#define MAX_ELEMENTS 64
/* this is limited so that the object doesn't cause a click getting too many
* events from the OS's event queue */
#define MAX_EVENTS_PER_POLL 64
/*------------------------------------------------------------------------------
* CLASS DEF
*/
typedef struct _hid
{
t_object x_obj;
t_int x_fd;
void *x_ff_device;
short x_device_number;
short x_instance;
t_int x_has_ff;
t_int x_started;
t_int x_device_open;
t_int x_delay;
t_clock *x_clock;
t_outlet *x_data_outlet;
t_outlet *x_status_outlet;
} t_hid;
/*------------------------------------------------------------------------------
* GLOBAL VARIABLES
*/
/* count the number of instances of this object so that certain free()
* functions can be called only after the final instance is detroyed.
*/
EXTERN t_int hid_instance_count;
/* this is used to test for the first instance to execute */
EXTERN double last_execute_time[MAX_DEVICES];
EXTERN unsigned short global_debug_level;
/* built up when the elements of an open device are enumerated */
typedef struct _hid_element
{
#ifdef __linux__
/* GNU/Linux store type and code to compare against */
__u16 linux_type;
__u16 linux_code;
#else
void *os_pointer; // pRecElement on Mac OS X; ... on Windows
#endif /* __linux__ */
t_symbol *type; // Linux "type"; HID "usagePage"
t_symbol *name; // Linux "code"; HID "usage"
unsigned char polled; // is it polled or queued? (maybe only on Mac OS X?)
unsigned char relative; // relative data gets output everytime
t_int min; // from device report
t_int max; // from device report
t_float instance; // usage page/usage instance # ([absolute throttle 2 163(
t_int value; // output the sum of events in a poll for relative axes
t_int previous_value; //only output on change on abs and buttons
} t_hid_element;
/* mostly for status querying */
EXTERN unsigned short device_count;
/* store element structs to eliminate symbol table lookups, etc. */
EXTERN t_hid_element *element[MAX_DEVICES][MAX_ELEMENTS];
/* number of active elements per device */
EXTERN unsigned short element_count[MAX_DEVICES];
/*------------------------------------------------------------------------------
* FUNCTION PROTOTYPES FOR DIFFERENT PLATFORMS
*/
/* support functions */
void debug_print(t_int debug_level, const char *fmt, ...);
void debug_error(t_hid *x, t_int debug_level, const char *fmt, ...);
void hid_output_event(t_hid *x, t_hid_element *output_data);
/* the old way
void hid_output_event(t_hid *x, t_symbol *type, t_symbol *code, t_float value);
*/
/* generic, cross-platform functions implemented in a separate file for each
* platform
*/
t_int hid_open_device(t_hid *x, short device_number);
t_int hid_close_device(t_hid *x);
void hid_build_device_list(void);
void hid_get_events(t_hid *x);
void hid_print(t_hid* x); /* print info to the console */
void hid_platform_specific_info(t_hid* x); /* device info on the status outlet */
void hid_platform_specific_free(t_hid *x);
short get_device_number_by_id(unsigned short vendor_id, unsigned short product_id);
short get_device_number_from_usage(short device_number,
unsigned short usage_page,
unsigned short usage);
/* cross-platform force feedback functions */
t_int hid_ff_autocenter(t_hid *x, t_float value);
t_int hid_ff_gain(t_hid *x, t_float value);
t_int hid_ff_motors(t_hid *x, t_float value);
t_int hid_ff_continue(t_hid *x);
t_int hid_ff_pause(t_hid *x);
t_int hid_ff_reset(t_hid *x);
t_int hid_ff_stopall(t_hid *x);
// these are just for testing...
t_int hid_ff_fftest (t_hid *x, t_float value);
void hid_ff_print(t_hid *x);
#endif /* #ifndef _HID_H */
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