p9813.h File Reference

Include dependency graph for p9813.h:

API Description

Go to the source code of this file.

Data Structures
struct	_p9813_context

Functions
p9813_context	p9813_init (int ledcount, int clk, int data)
void	p9813_close (p9813_context dev)
upm_result_t	p9813_set_led (p9813_context dev, uint16_t index, uint8_t r, uint8_t g, uint8_t b)
upm_result_t	p9813_set_leds (p9813_context dev, uint16_t s_index, uint16_t e_index, uint8_t r, uint8_t g, uint8_t b)
upm_result_t	p9813_refresh (p9813_context dev)

Typedefs
typedef struct _p9813_context *	p9813_context

Function Documentation

p9813_context p9813_init	(	int	ledcount,
		int	clk,
		int	data
	)

Instantiates a new P9813 Chainable RGB LEDs

Parameters

ledcount	Number of LEDs in the chain
clk	Clock pin
data	Data pin

Returns

an initialized p9813 context on success, NULL on error.

Here is the call graph for this function:

void p9813_close

(

p9813_context

dev

)

P9813 close function

Parameters

dev	The p9813_context to close

Here is the caller graph for this function:

upm_result_t p9813_set_led	(	p9813_context	dev,
		uint16_t	index,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b
	)

Sets the color for one LED in the buffer

Parameters

dev	The p9813_context to use
index	Index of the LED (0 based)
r	Red component (0-255)
g	Green component (0-255)
b	Blue component (0-255)

Returns

upm_result_t UPM success/error code

Here is the call graph for this function:

upm_result_t p9813_set_leds	(	p9813_context	dev,
		uint16_t	s_index,
		uint16_t	e_index,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b
	)

Sets the color for multiple LEDs in the buffer

Parameters

dev	The p9813_context to use
s_index	The start Index of the LED range (0 based)
e_index	The end Index of the LED range (0 based)
r	Red component (0-255)
g	Green component (0-255)
b	Blue component (0-255)

Returns

upm_result_t UPM success/error code

Here is the caller graph for this function:

upm_result_t p9813_refresh

(

p9813_context

dev

)

Writes the buffer to the LED controllers thus updating the LEDs

Parameters

dev	The p9813_context to use

Returns

upm_result_t UPM success/error code

Typedef Documentation

typedef struct _p9813_context * p9813_context

Device context