From b13b1a6c7151a4b002845af700bee55e5e177e91 Mon Sep 17 00:00:00 2001
From: Eric Duminil <eric.duminil@gmail.com>
Date: Wed, 5 May 2021 20:45:12 +0200
Subject: [PATCH] led_effects: rainbow wheel in both directions
---
ampel-firmware/led_effects.cpp | 5 +++--
ampel-firmware/led_effects.h | 2 +-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/ampel-firmware/led_effects.cpp b/ampel-firmware/led_effects.cpp
index 061b6f8..45b8c0b 100644
--- a/ampel-firmware/led_effects.cpp
+++ b/ampel-firmware/led_effects.cpp
@@ -168,17 +168,18 @@ namespace led_effects {
}
}
- void showRainbowWheel(uint16_t duration_ms, uint16_t hue_increment) {
+ void showRainbowWheel(uint16_t duration_ms) {
if (config::night_mode) {
return;
}
static uint16_t wheel_offset = 0;
+ static uint16_t sine_offset = 0;
unsigned long t0 = millis();
pixels.setBrightness(config::max_brightness);
while (millis() - t0 < duration_ms) {
for (int i = 0; i < NUMPIXELS; i++) {
pixels.setPixelColor(i, pixels.ColorHSV(i * 65535 / NUMPIXELS + wheel_offset));
- wheel_offset += hue_increment;
+ wheel_offset += (pixels.sine8(sine_offset++ / 50) - 127) / 2;
}
pixels.show();
delay(10);
diff --git a/ampel-firmware/led_effects.h b/ampel-firmware/led_effects.h
index 96367ef..a910d30 100644
--- a/ampel-firmware/led_effects.h
+++ b/ampel-firmware/led_effects.h
@@ -29,7 +29,7 @@ namespace led_effects {
int countdownToZero();
void showWaitingLED(uint32_t color);
void showKITTWheel(uint32_t color, uint16_t duration_s = 2);
- void showRainbowWheel(uint16_t duration_ms = 1000, uint16_t hue_increment = 50);
+ void showRainbowWheel(uint16_t duration_ms = 1000);
void displayCO2color(uint16_t co2);
}
#endif
--
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