North Star driver

Driver for the North Star HMD. More...

Collaboration diagram for North Star driver:

Files
file	ns_hmd.c
	North Star HMD code.
file	ns_hmd.h
	Interface between North Star distortion and HMD code.
file	ns_interface.h
	Interface to North Star driver code.
file	ns_prober.c
	North Star prober code.

Data Structures
struct	ns_uv
	Simple UV struct. More...
struct	ns_leap
	Configuration information about the LMC or Rigel sensor according to the configuration file. More...
struct	ns_eye
	Distortion information about an eye parsed from the configuration file. More...
struct	ns_hmd
	Information about the whole North Star headset. More...
struct	ns_mesh
	The mesh generator for the North Star distortion. More...

Functions
void	ns_display_uv_to_render_uv (struct ns_uv display_uv, struct ns_uv *render_uv, struct ns_eye *eye)
	Convert the display UV to the render UV using the distortion mesh. More...
struct xrt_auto_prober *	ns_create_auto_prober (void)
	Create a probe for NS devices. More...
struct xrt_device *	ns_hmd_create (const char *config_path, bool print_spew, bool print_debug)
	Create a North Star hmd. More...

Detailed Description

Driver for the North Star HMD.

Function Documentation

ns_create_auto_prober()

struct xrt_auto_prober* ns_create_auto_prober

(

void

)

#include <drivers/north_star/ns_interface.h>

Create a probe for NS devices.

References ns_prober::base, xrt_auto_prober::destroy, and U_TYPED_CALLOC.

ns_display_uv_to_render_uv()

void ns_display_uv_to_render_uv	(	struct ns_uv	display_uv,
		struct ns_uv *	render_uv,
		struct ns_eye *	eye
	)

#include <drivers/north_star/ns_hmd.h>

Convert the display UV to the render UV using the distortion mesh.

References OpticalSystem::DisplayUVToRenderUVPreviousSeed(), ns_eye::optical_system, ns_uv::u, ns_uv::v, Vector2::x, and Vector2::y.

ns_hmd_create()

struct xrt_device* ns_hmd_create	(	const char *	config_path,
		bool	print_spew,
		bool	print_debug
	)

#include <drivers/north_star/ns_interface.h>

Create a North Star hmd.

References ns_hmd::base, U_DEVICE_ALLOC_HMD, U_DEVICE_ALLOC_TRACKING_NONE, U_DEVICE_ALLOCATE, and xrt_device::update_inputs.