60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
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/* FastLED_RGBW
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*
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* Hack to enable SK6812 RGBW strips to work with FastLED.
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*
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* Original code by Jim Bumgardner (http://krazydad.com).
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* Modified by David Madison (http://partsnotincluded.com).
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*
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*/
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#ifndef FastLED_RGBW_h
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#define FastLED_RGBW_h
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struct CRGBW {
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union {
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struct {
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union {
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uint8_t g;
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uint8_t green;
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};
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union {
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uint8_t r;
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uint8_t red;
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};
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union {
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uint8_t b;
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uint8_t blue;
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};
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union {
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uint8_t w;
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uint8_t white;
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};
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};
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uint8_t raw[4];
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};
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CRGBW(){}
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CRGBW(uint8_t rd, uint8_t grn, uint8_t blu, uint8_t wht){
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r = rd;
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g = grn;
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b = blu;
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w = wht;
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}
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inline void operator = (const CRGB c) __attribute__((always_inline)){
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this->r = c.r;
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this->g = c.g;
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this->b = c.b;
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this->white = 0;
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}
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};
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inline uint16_t getRGBWsize(uint16_t nleds){
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uint16_t nbytes = nleds * 4;
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if(nbytes % 3 > 0) return nbytes / 3 + 1;
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else return nbytes / 3;
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}
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#endif
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