74 lines
1.3 KiB

#include "light_ws2812.h"
#include "rgbsps.h"
struct cRGB led[RGBSPS_NUM];
void rgbsps_set(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
led[index].r = r;
led[index].g = g;
led[index].b = b;
}
void rgbsps_setall(uint8_t r, uint8_t g, uint8_t b) {
for (uint16_t i = 0; i < RGBSPS_NUM; i++) {
rgbsps_set(i, r, g, b);
}
}
void rgbsps_turnoff(void) {
rgbsps_setall(0, 0, 0);
}
void rgbsps_send(void) {
ws2812_setleds(led, RGBSPS_NUM);
}
void rgbsps_sethsv(uint8_t index, uint16_t hue, uint8_t sat, uint8_t val) {
uint8_t r = 0, g = 0, b = 0, base, color;
if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
r = val;
g = val;
b = val;
} else {
base = ((255 - sat) * val) >> 8;
color = (val - base) * (hue % 60) / 60;
switch (hue / 60) {
case 0:
r = val;
g = base + color;
b = base;
break;
case 1:
r = val - color;
g = val;
b = base;
break;
case 2:
r = base;
g = val;
b = base + color;
break;
case 3:
r = base;
g = val - color;
b = val;
break;
case 4:
r = base + color;
g = base;
b = val;
break;
case 5:
r = val;
g = base;
b = val - color;
break;
}
}
rgbsps_set(index, r, g, b);
}