apa102.h
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1 /*
2  * Copyright (C) 2017 Freie Universität Berlin
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
21 #ifndef APA102_H
22 #define APA102_H
23 
24 #include "color.h"
25 #include "periph/gpio.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
34 typedef struct {
35  int led_numof;
36  gpio_t data_pin;
37  gpio_t clk_pin;
38 } apa102_params_t;
39 
43 typedef apa102_params_t apa102_t;
44 
54 void apa102_init(apa102_t *dev, const apa102_params_t *params);
55 
65 void apa102_load_rgba(const apa102_t *dev, const color_rgba_t vals[]);
66 
67 #ifdef __cplusplus
68 }
69 #endif
70 
71 #endif /* APA102_H */
72 
apa102_params_t::data_pin
gpio_t data_pin
data pin
Definition: apa102.h:36
color_rgba_t
RGBA color value.
Definition: color.h:44
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)
apa102_init
void apa102_init(apa102_t *dev, const apa102_params_t *params)
Initialize (chained) APA102 LEDs.
apa102_params_t
Configuration parameters for (chained) APA102 LEDs.
Definition: apa102.h:34
apa102_params_t::led_numof
int led_numof
number of chained LEDs
Definition: apa102.h:35
gpio.h
Low-level GPIO peripheral driver interface definitions.
color.h
Headers for the color handling module.
apa102_t
apa102_params_t apa102_t
Device descriptor definition for APA102 LEDs.
Definition: apa102.h:43
apa102_params_t::clk_pin
gpio_t clk_pin
clock pin
Definition: apa102.h:37