APA102 RGB LED

Driver for chained APA102 RGB LEDs. More...

Detailed Description

Driver for chained APA102 RGB LEDs.

Files
file	apa102_params.h
	APA102 board specific configuration.
file	apa102.h
	Interface for controlling APA102 LEDs.

Data Structures
struct	apa102_params_t
	Configuration parameters for (chained) APA102 LEDs. More...

Typedefs
typedef apa102_params_t	apa102_t
	Device descriptor definition for APA102 LEDs.

Functions
void	apa102_init (apa102_t *dev, const apa102_params_t *params)
	Initialize (chained) APA102 LEDs. More...
void	apa102_load_rgba (const apa102_t *dev, const color_rgba_t vals[])
	Apply the given color values to the connected LED(s) More...

Function Documentation

apa102_init()

void apa102_init	(	apa102_t *	dev,
		const apa102_params_t *	params
	)

Initialize (chained) APA102 LEDs.

Parameters

[out]	dev	device descriptor
[in]	params	device configuration

Precondition

dev != NULL

params != NULL

apa102_load_rgba()

void apa102_load_rgba	(	const apa102_t *	dev,
		const color_rgba_t	vals[]
	)

Apply the given color values to the connected LED(s)

Parameters

[in]	dev	device descriptor
[in]	vals	color values, MUST be of size dev->led_numof

Precondition

dev != NULL

vals != NULL