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fade out rainbow animation during animation

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Leonard Gies 2025-04-10 16:48:26 +02:00
parent c292676a0a
commit 692ac54fe8
Signed by: l.gies
GPG Key ID: 6F6FB9338EE44F71
1 changed files with 8 additions and 12 deletions
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20
Core/Src/leds.c
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@ -201,29 +201,25 @@ void led_anim_knight_rider(ULONG _) {
void led_anim_rainbow(ULONG _) { void led_anim_rainbow(ULONG _) {
size_t tail = 0; size_t tail = 0;
float offset = 0.0f; float offset = 0.0f;
const float max_offset = 360.0f * 2;
float brightness = 1.0f;
// Moving rainbow // Moving rainbow
uint32_t start = HAL_GetTick(); uint32_t start = HAL_GetTick();
while (offset < 360) { while (offset < max_offset) {
for (size_t i = 0; i < N_LEDS; i++) { for (size_t i = 0; i < N_LEDS; i++) {
size_t led = (tail + i) % N_LEDS; size_t led = (tail + i) % N_LEDS;
uint8_t r, g, b; uint8_t r, g, b;
float hue = fmodf(offset + i * 360.0f / N_LEDS, 360.0f); float hue = fmodf(offset + i * 360.0f / N_LEDS, 360.0f);
led_hsv_to_rgb(hue, 1, 1, &r, &g, &b); // fade out during last hue rotation
if (offset >= max_offset - 360.0f) {
brightness = (max_offset - offset) / 360.0f;
}
led_hsv_to_rgb(hue, 1, brightness, &r, &g, &b);
led_set(led, r, g, b); led_set(led, r, g, b);
} }
offset = (HAL_GetTick() - start) / 5.0f; offset = (HAL_GetTick() - start) / 5.0f;
tx_thread_sleep(1); tx_thread_sleep(1);
} }
// Fade-out
for (float val = 1.0f; val > 0; val -= 0.1f) {
for (size_t i = 0; i < N_LEDS; i++) {
float hue = fmodf(offset + i * 360.0f / N_LEDS, 360.0f);
uint8_t r, g, b;
led_hsv_to_rgb(hue, 1, val, &r, &g, &b);
led_set(i, r, g, b);
}
tx_thread_sleep(1);
}
} }
void led_anim_blinker(uint8_t r, uint8_t g, uint8_t b, void led_anim_blinker(uint8_t r, uint8_t g, uint8_t b,