From 4bd0a060d100c7fb9ad657c939b954b081b62016 Mon Sep 17 00:00:00 2001
From: EnricoGuccii <partyka.003@proton.me>
Date: Tue, 23 Dec 2025 16:59:20 +0100
Subject: eee

---
 firmware/lib/rgb/rgb.cpp | 124 +++++++++++++++++++++++++++++++++++++++++++++++
 firmware/lib/rgb/rgb.h   |  23 +++++++++
 2 files changed, 147 insertions(+)
 create mode 100644 firmware/lib/rgb/rgb.cpp
 create mode 100644 firmware/lib/rgb/rgb.h

(limited to 'firmware/lib/rgb')

diff --git a/firmware/lib/rgb/rgb.cpp b/firmware/lib/rgb/rgb.cpp
new file mode 100644
index 0000000..6dc3834
--- /dev/null
+++ b/firmware/lib/rgb/rgb.cpp
@@ -0,0 +1,124 @@
+#include <Arduino.h>
+#include "settings.h"
+#include "rgb.h"
+#include <math.h>
+
+#define RED_CHANNEL 0
+#define GREEN_CHANNEL 1
+#define BLUE_CHANNEL 2
+
+#define PWM_FREQ 5000
+#define PWM_RES 10
+
+int RGB::scaleColor(uint8_t val)
+{
+  return map(val, 0, 255, 0, (1 << PWM_RES) - 1);
+}
+RGB::RGB()
+    : currentR(0), currentG(0), currentB(0)
+{
+}
+
+void RGB::init()
+{
+  ledcSetup(RED_CHANNEL, PWM_FREQ, PWM_RES);
+  ledcAttachPin(RED_PIN, RED_CHANNEL);
+
+  ledcSetup(GREEN_CHANNEL, PWM_FREQ, PWM_RES);
+  ledcAttachPin(GREEN_PIN, GREEN_CHANNEL);
+
+  ledcSetup(BLUE_CHANNEL, PWM_FREQ, PWM_RES);
+  ledcAttachPin(BLUE_PIN, BLUE_CHANNEL);
+}
+
+void RGB::setColorRGB(uint8_t red, uint8_t green, uint8_t blue, bool saveColor = true)
+{
+  ledcWrite(RED_CHANNEL, scaleColor(red));
+  ledcWrite(GREEN_CHANNEL, scaleColor(green));
+  ledcWrite(BLUE_CHANNEL, scaleColor(blue));
+
+  if (saveColor)
+  {
+    currentR = red;
+    currentG = green;
+    currentB = blue;
+  }
+}
+
+void RGB::fadeColor(uint8_t red, uint8_t green, uint8_t blue, int duration)
+{
+  int startR = currentR;
+  int startG = currentG;
+  int startB = currentB;
+
+  for (int i = 0; i <= duration; i++)
+  {
+    uint8_t newR = startR + ((red - startR) * i) / duration;
+    uint8_t newG = startG + ((green - startG) * i) / duration;
+    uint8_t newB = startB + ((blue - startB) * i) / duration;
+
+    setColorRGB(newR, newG, newB, false);
+    delay(1);
+  }
+
+  setColorRGB(red, green, blue);
+}
+
+void RGB::blink(int cycles, int interval)
+{
+  for (int i = 0; i < cycles; i++)
+  {
+    setColorRGB(0, 0, 0, false);
+    delay(interval);
+    setColorRGB(currentR, currentG, currentB, false);
+    delay(interval);
+  }
+}
+
+void RGB::breathe(int cycles, int period)
+{
+  const int steps = 128;
+  int stepDelay = period / (steps * 2);
+
+  uint8_t baseR = currentR;
+  uint8_t baseG = currentG;
+  uint8_t baseB = currentB;
+
+  for (int c = 0; c < cycles; ++c)
+  {
+    for (int i = 0; i <= steps; ++i)
+    {
+      float scale = (float)i / steps;
+      setColorRGB(baseR * scale, baseG * scale, baseB * scale, false);
+      delay(stepDelay);
+    }
+
+    for (int i = steps; i >= 0; --i)
+    {
+      float scale = (float)i / steps;
+      setColorRGB(baseR * scale, baseG * scale, baseB * scale, false);
+      delay(stepDelay);
+    }
+  }
+
+  setColorRGB(baseR, baseG, baseB);
+}
+
+void RGB::rainbowCycle(int duration, float speed)
+{
+  // speed (0.1 – slow, 1.0 – normal, 2.0 – fast)
+  const int steps = 256;
+
+  for (int i = 0; i < steps; i++)
+  {
+    float angle = i * speed * 0.024;
+    int red = sin(angle) * 127 + 128;
+    int green = sin(angle + 2) * 127 + 128;
+    int blue = sin(angle + 4) * 127 + 128;
+
+    setColorRGB(red, green, blue, false);
+    delay(duration / steps);
+  }
+
+  setColorRGB(currentR, currentG, currentB, false);
+}
diff --git a/firmware/lib/rgb/rgb.h b/firmware/lib/rgb/rgb.h
new file mode 100644
index 0000000..2c153f1
--- /dev/null
+++ b/firmware/lib/rgb/rgb.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "settings.h"
+#include <Arduino.h>
+
+class RGB
+{
+public:
+    uint8_t currentR;
+    uint8_t currentG;
+    uint8_t currentB;
+
+    RGB();
+    void init();
+    void setColorRGB(uint8_t red, uint8_t green, uint8_t blue, bool saveColor);
+    void fadeColor(uint8_t red, uint8_t green, uint8_t blue, int duration);
+    void blink(int cycles, int interval);
+    void breathe(int cycles, int period);
+    void rainbowCycle(int duration, float speed);
+
+private:
+    int scaleColor(uint8_t val);
+};
-- 
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