/* * light weight WS2812 lib include * * Version 2.3 - Nev 29th 2015 * Author: Tim (cpldcpu@gmail.com) * * Please do not change this file! All configuration is handled in "ws2812_config.h" * * License: GNU GPL v2 (see License.txt) + */ #ifndef LIGHT_WS2812_H_ #define LIGHT_WS2812_H_ #include <avr/io.h> #include <avr/interrupt.h> //#include "ws2812_config.h" //#include "i2cmaster.h" #ifdef RGBW #define LED_TYPE struct cRGBW #else #define LED_TYPE struct cRGB #endif /* * Structure of the LED array * * cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106 * cRGBW: RGBW for SK6812RGBW */ struct cRGB { uint8_t g; uint8_t r; uint8_t b; }; struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;}; /* User Interface * * Input: * ledarray: An array of GRB data describing the LED colors * number_of_leds: The number of LEDs to write * pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0) * * The functions will perform the following actions: * - Set the data-out pin as output * - Send out the LED data * - Wait 50�s to reset the LEDs */ void ws2812_setleds (LED_TYPE *ledarray, uint16_t number_of_leds); void ws2812_setleds_pin (LED_TYPE *ledarray, uint16_t number_of_leds,uint8_t pinmask); void ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t number_of_leds); /* * Old interface / Internal functions * * The functions take a byte-array and send to the data output as WS2812 bitstream. * The length is the number of bytes to send - three per LED. */ void ws2812_sendarray (uint8_t *array,uint16_t length); void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask); /* * Internal defines */ #ifndef CONCAT #define CONCAT(a, b) a ## b #endif #ifndef CONCAT_EXP #define CONCAT_EXP(a, b) CONCAT(a, b) #endif // #define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port) // #define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port) #endif /* LIGHT_WS2812_H_ */