shared_CLS.c File Reference

Color Light Sensing shared. More...

#include "shared_CLS.h"
#include <math.h>

Include dependency graph for shared_CLS.c:

Functions
FctERR	CLS_get_chromacity (float xy[2], uint32_t *const illum, const float mat[3][3], const uint16_t r, const uint16_t g, const uint16_t b)
	!< This matrix is the result of a transformation composed of correlations at different light sources (based on TAOS DN25 application note)
FctERR	CLS_get_CCT (uint32_t *const cct, const float xy[2])
	Determining CCT (correlated temperature) following xy values.

Variables
const float	CLS_RGB2XYZ_Default [3][3]

Detailed Description

Color Light Sensing shared.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

Function Documentation

CLS_get_CCT()

FctERR CLS_get_CCT	(	uint32_t *const	cct,
		const float	xy[2] )

Determining CCT (correlated temperature) following xy values.

Parameters

[in,out]	cct	- Pointer to CCT result
[in]	xy	- Pointer to chromacity coordinates

Returns

FctERR - error code

CLS_get_chromacity()

FctERR CLS_get_chromacity	(	float	xy[2],
		uint32_t *const	illum,
		const float	mat[3][3],
		const uint16_t	r,
		const uint16_t	g,
		const uint16_t	b )

!< This matrix is the result of a transformation composed of correlations at different light sources (based on TAOS DN25 application note)

Determining chromacity following RGB values.

Variable Documentation

CLS_RGB2XYZ_Default

const float CLS_RGB2XYZ_Default[3][3]

Initial value:

= {
    { -0.14282f, 1.54924f, -0.95641f },
    { -0.32466f, 1.57837f, -0.73191f },
    { -0.68202f, 0.77073f, 0.56332f } }