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38 lines
985 B
38 lines
985 B
6 years ago
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#ifndef WS2812_H
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#define WS2812_H
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#include "platform.h"
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/**
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* Load RGBs from a packed byte stream
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*
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* @param port
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* @param ll_pin
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* @param rgbs - packed R,G,B, R,G,B, ... array
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* @param count - number of pixels (triplets)
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*/
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void ws2812_load_raw(GPIO_TypeDef *port, uint32_t ll_pin, const uint8_t *rgbs, uint32_t count);
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/**
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* Load all pixels with BLACK (0,0,0)
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*
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* @param port
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* @param ll_pin
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* @param count - number of pixels
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*/
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void ws2812_clear(GPIO_TypeDef *port, uint32_t ll_pin, uint32_t count);
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/**
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* Load from a stream of 32-bit numbers (4th or 1st byte skipped)
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* @param port
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* @param ll_pin
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* @param rgbs - payload
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* @param count - number of pixels
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* @param order_bgr - B,G,R colors, false - R,G,B
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* @param zero_before - insert padding byte before colors, false - after
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*/
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void ws2812_load_sparse(GPIO_TypeDef *port, uint32_t ll_pin, const uint8_t *rgbs, uint32_t count,
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bool order_bgr, bool zero_before);
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#endif //WS2812_H
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