Commit | Line | Data |
---|---|---|
0a40654b YL |
1 | /* |
2 | * light weight WS2812 lib include | |
3 | * | |
4 | * Version 2.3 - Nev 29th 2015 | |
5 | * Author: Tim (cpldcpu@gmail.com) | |
6 | * | |
7 | * Please do not change this file! All configuration is handled in "ws2812_config.h" | |
8 | * | |
9 | * License: GNU GPL v2 (see License.txt) | |
10 | + | |
11 | */ | |
12 | ||
13 | #ifndef LIGHT_WS2812_H_ | |
14 | #define LIGHT_WS2812_H_ | |
15 | ||
16 | #include <avr/io.h> | |
17 | #include <avr/interrupt.h> | |
18 | //#include "ws2812_config.h" | |
19 | ||
20 | /* | |
21 | * Structure of the LED array | |
22 | * | |
23 | * cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106 | |
24 | * cRGBW: RGBW for SK6812RGBW | |
25 | */ | |
26 | ||
27 | struct cRGB { uint8_t g; uint8_t r; uint8_t b; }; | |
28 | struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;}; | |
29 | ||
30 | ||
31 | ||
32 | /* User Interface | |
33 | * | |
34 | * Input: | |
35 | * ledarray: An array of GRB data describing the LED colors | |
36 | * number_of_leds: The number of LEDs to write | |
37 | * pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0) | |
38 | * | |
39 | * The functions will perform the following actions: | |
40 | * - Set the data-out pin as output | |
41 | * - Send out the LED data | |
42 | * - Wait 50�s to reset the LEDs | |
43 | */ | |
44 | ||
45 | void ws2812_setleds (struct cRGB *ledarray, uint16_t number_of_leds); | |
46 | void ws2812_setleds_pin (struct cRGB *ledarray, uint16_t number_of_leds,uint8_t pinmask); | |
47 | void ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t number_of_leds); | |
48 | ||
49 | /* | |
50 | * Old interface / Internal functions | |
51 | * | |
52 | * The functions take a byte-array and send to the data output as WS2812 bitstream. | |
53 | * The length is the number of bytes to send - three per LED. | |
54 | */ | |
55 | ||
56 | void ws2812_sendarray (uint8_t *array,uint16_t length); | |
57 | void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask); | |
58 | ||
59 | ||
60 | /* | |
61 | * Internal defines | |
62 | */ | |
63 | #ifndef CONCAT | |
64 | #define CONCAT(a, b) a ## b | |
65 | #endif | |
66 | #ifndef CONCAT_EXP | |
67 | #define CONCAT_EXP(a, b) CONCAT(a, b) | |
68 | #endif | |
69 | ||
70 | // #define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port) | |
71 | // #define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port) | |
72 | ||
73 | #endif /* LIGHT_WS2812_H_ */ |