u_device.c File Reference

Misc helpers for device drivers. More...

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "math/m_api.h"
#include "util/u_device.h"
#include "util/u_misc.h"

Include dependency graph for u_device.c:

Macros
#define	PRINT(...)   fprintf(stderr, __VA_ARGS__)
#define	PRINT_STR(name, val)   PRINT("\t%s = %s\n", name, val)
#define	PRINT_INT(name, val)   PRINT("\t%s = %u\n", name, val)
#define	PRINT_MM(name, val)
#define	PRINT_ANGLE(name, val)   PRINT("\t%s = %f (%i°)\n", name, val, (int32_t)(val * (180 / M_PI)))
#define	PRINT_MAT2X2(name, rot)

Functions
void	u_device_dump_config (struct xrt_device *xdev, const char *prefix, const char *prod)
	Dump the device config to stderr. More...
bool	u_device_setup_split_side_by_side (struct xrt_device *xdev, const struct u_device_simple_info *info)
	Setup the device information given a very simple info struct. More...
void *	u_device_allocate (enum u_device_alloc_flags flags, size_t size, size_t num_inputs, size_t num_outputs)
	Helper function to allocate a device plus inputs in the same allocation placed after the device in memory. More...
void	u_device_free (struct xrt_device *xdev)
	Helper function to free a device and any data hanging of it. More...

Variables
const struct xrt_matrix_2x2	u_device_rotation_right
const struct xrt_matrix_2x2	u_device_rotation_left
const struct xrt_matrix_2x2	u_device_rotation_ident
const struct xrt_matrix_2x2	u_device_rotation_180

Detailed Description

Misc helpers for device drivers.

Author

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

Macro Definition Documentation

PRINT_MAT2X2

#define PRINT_MAT2X2	(		name,
			rot
	)

Value:

PRINT("\t%s = {%f, %f} {%f, %f}\n", name, rot.v[0], rot.v[1],          \
              rot.v[2], rot.v[3])

PRINT_MM

#define PRINT_MM	(		name,
			val
	)

Value:

PRINT("\t%s = %f (%i.%02imm)\n", name, val, (int32_t)(val * 1000.f),   \
              abs((int32_t)(val * 100000.f)) % 100)

Variable Documentation

u_device_rotation_180

const struct xrt_matrix_2x2 u_device_rotation_180

Initial value:

= {{
    .vecs =
        {
            {-1, 0},
            {0, -1},
        },
}}

u_device_rotation_ident

const struct xrt_matrix_2x2 u_device_rotation_ident

Initial value:

= {{
    .vecs =
        {
            {1, 0},
            {0, 1},
        },
}}

u_device_rotation_left

const struct xrt_matrix_2x2 u_device_rotation_left

Initial value:

= {{
    .vecs =
        {
            {0, -1},
            {1, 0},
        },
}}

u_device_rotation_right

const struct xrt_matrix_2x2 u_device_rotation_right

Initial value:

= {{
    .vecs =
        {
            {0, 1},
            {-1, 0},
        },
}}