hydra_driver.c File Reference

Razer Hydra prober and driver code. More...

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "xrt/xrt_prober.h"
#include "os/os_hid.h"
#include "os/os_time.h"
#include "math/m_api.h"
#include "util/u_debug.h"
#include "util/u_device.h"
#include "util/u_misc.h"
#include "util/u_time.h"
#include "hydra_interface.h"

Include dependency graph for hydra_driver.c:

Data Structures
struct	hydra_controller_state
struct	hydra_state_machine
	The details of the Hydra state machine in a convenient package. More...
struct	hydra_system
	A Razer Hydra system containing two controllers. More...
struct	hydra_device
	A Razer Hydra device, representing just a single controller. More...

Macros
#define	HYDRA_SPEW(p, ...)
#define	HYDRA_DEBUG(p, ...)
#define	HYDRA_ERROR(p, ...)
#define	SET_INPUT(NAME)

Enumerations
enum	hydra_input_index {   HYDRA_INDEX_1_CLICK, HYDRA_INDEX_2_CLICK, HYDRA_INDEX_3_CLICK, HYDRA_INDEX_4_CLICK,   HYDRA_INDEX_MIDDLE_CLICK, HYDRA_INDEX_BUMPER_CLICK, HYDRA_INDEX_JOYSTICK_CLICK, HYDRA_INDEX_JOYSTICK_VALUE,   HYDRA_INDEX_TRIGGER_VALUE, HYDRA_INDEX_POSE, HYDRA_MAX_CONTROLLER_INDEX }
enum	hydra_button_bit {   HYDRA_BUTTON_BIT_BUMPER = (1 << 0), HYDRA_BUTTON_BIT_3 = (1 << 1), HYDRA_BUTTON_BIT_1 = (1 << 2), HYDRA_BUTTON_BIT_2 = (1 << 3),   HYDRA_BUTTON_BIT_4 = (1 << 4), HYDRA_BUTTON_BIT_MIDDLE = (1 << 5), HYDRA_BUTTON_BIT_JOYSTICK = (1 << 6) }
enum	hydra_sm_state { HYDRA_SM_LISTENING_AFTER_CONNECT = 0, HYDRA_SM_LISTENING_AFTER_SET_FEATURE, HYDRA_SM_REPORTING }
	The states of the finite-state machine controlling the Hydra. More...

Functions
int	hydra_found (struct xrt_prober *xp, struct xrt_prober_device **devices, size_t num_devices, size_t index, cJSON *attached_data, struct xrt_device **out_xdevs)
	Probing function for Razer Hydra devices. More...

Detailed Description

Razer Hydra prober and driver code.

Author

Ryan Pavlik ryan..nosp@m.pavl.nosp@m.ik@co.nosp@m.llab.nosp@m.ora.c.nosp@m.om

Jakob Bornecrantz jakob.nosp@m.@col.nosp@m.labor.nosp@m.a.co.nosp@m.m

Portions based on the VRPN Razer Hydra driver, originally written by Ryan Pavlik and available under the BSL-1.0.

Macro Definition Documentation

HYDRA_DEBUG

#define HYDRA_DEBUG	(		p,
			...
	)

Value:

do {                                                                   \
                if (p->print_debug) {                                          \
                        fprintf(stderr, "%s - ", __func__);                    \
                        fprintf(stderr, __VA_ARGS__);                          \
                        fprintf(stderr, "\n");                                 \
                }                                                              \
        } while (false)

HYDRA_ERROR

#define HYDRA_ERROR	(		p,
			...
	)

Value:

do {                                                                   \
                fprintf(stderr, "%s - ", __func__);                            \
                fprintf(stderr, __VA_ARGS__);                                  \
                fprintf(stderr, "\n");                                         \
        } while (false)

HYDRA_SPEW

#define HYDRA_SPEW	(		p,
			...
	)

Value:

do {                                                                   \
                if (p->print_spew) {                                           \
                        fprintf(stderr, "%s - ", __func__);                    \
                        fprintf(stderr, __VA_ARGS__);                          \
                        fprintf(stderr, "\n");                                 \
                }                                                              \
        } while (false)

SET_INPUT

#define SET_INPUT

(

NAME

)

Value:

do {                                                                   \
                (hd->base.inputs[HYDRA_INDEX_##NAME].name =                    \
                     XRT_INPUT_HYDRA_##NAME);                                  \
        } while (0)

Enumeration Type Documentation

hydra_button_bit

enum hydra_button_bit

Enumerator
HYDRA_BUTTON_BIT_BUMPER
HYDRA_BUTTON_BIT_3
HYDRA_BUTTON_BIT_1
HYDRA_BUTTON_BIT_2
HYDRA_BUTTON_BIT_4
HYDRA_BUTTON_BIT_MIDDLE
HYDRA_BUTTON_BIT_JOYSTICK

hydra_input_index

enum hydra_input_index

Enumerator
HYDRA_INDEX_1_CLICK
HYDRA_INDEX_2_CLICK
HYDRA_INDEX_3_CLICK
HYDRA_INDEX_4_CLICK
HYDRA_INDEX_MIDDLE_CLICK
HYDRA_INDEX_BUMPER_CLICK
HYDRA_INDEX_JOYSTICK_CLICK
HYDRA_INDEX_JOYSTICK_VALUE
HYDRA_INDEX_TRIGGER_VALUE
HYDRA_INDEX_POSE
HYDRA_MAX_CONTROLLER_INDEX

hydra_sm_state

enum hydra_sm_state

The states of the finite-state machine controlling the Hydra.

Enumerator
HYDRA_SM_LISTENING_AFTER_CONNECT
HYDRA_SM_LISTENING_AFTER_SET_FEATURE
HYDRA_SM_REPORTING