74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
#include "ws2812.h"
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#include "rgbsps.h"
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cRGB led[RGBSPS_NUM];
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void rgbsps_set(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
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led[index].r = r;
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led[index].g = g;
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led[index].b = b;
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}
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void rgbsps_setall(uint8_t r, uint8_t g, uint8_t b) {
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for (uint16_t i = 0; i < RGBSPS_NUM; i++) {
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rgbsps_set(i, r, g, b);
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}
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}
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void rgbsps_turnoff(void) {
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rgbsps_setall(0, 0, 0);
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}
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void rgbsps_send(void) {
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ws2812_setleds(led, RGBSPS_NUM);
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}
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void rgbsps_sethsv(uint8_t index, uint16_t hue, uint8_t sat, uint8_t val) {
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uint8_t r = 0, g = 0, b = 0, base, color;
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if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
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r = val;
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g = val;
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b = val;
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} else {
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base = ((255 - sat) * val) >> 8;
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color = (val - base) * (hue % 60) / 60;
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switch (hue / 60) {
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case 0:
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r = val;
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g = base + color;
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b = base;
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break;
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case 1:
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r = val - color;
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g = val;
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b = base;
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break;
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case 2:
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r = base;
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g = val;
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b = base + color;
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break;
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case 3:
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r = base;
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g = val - color;
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b = val;
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break;
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case 4:
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r = base + color;
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g = base;
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b = val;
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break;
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case 5:
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r = val;
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g = base;
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b = val - color;
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break;
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}
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}
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rgbsps_set(index, r, g, b);
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}
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