35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
#include <smoothled.h>
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static uint32_t sourceColor = 0x000000;
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static uint32_t currentColor = 0x000000;
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static uint32_t targetColor = 0x000000;
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static int32_t smoothledTimer = -1;
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void smoothled_set(uint32_t color) {
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smoothledTimer = timer_read32();
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sourceColor = currentColor;
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targetColor = color;
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}
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void smoothled_process(void) {
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if (smoothledTimer < 0) {
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return;
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}
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int32_t kb = timer_elapsed32(smoothledTimer);
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int32_t ka = SMOOTH_DURATION - kb;
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if (kb > SMOOTH_DURATION) {
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kb = SMOOTH_DURATION;
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ka = 0;
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smoothledTimer = -1;
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}
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currentColor = 0;
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for (int i = 2; i >= 0; i--) {
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uint32_t shift = i * 8;
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currentColor |= (ka * ((uint32_t)(sourceColor >> shift) & 0xFF) + kb * ((uint32_t)(targetColor >> shift) & 0xFF)) / SMOOTH_DURATION;
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/*currentColor |= ((targetColor >> shift) & 0xFF);*/
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currentColor <<= 8;
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}
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currentColor >>= 8;
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rgblight_setrgb((currentColor >> 16) & 0xFF, (currentColor >> 8) & 0xFF, currentColor & 0xFF);
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}
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