From 38b9b25d4612298f5599e7471568714ea1fa2a01 Mon Sep 17 00:00:00 2001
From: Elena ``of Valhalla'' Grandi <valhalla@trueelena.org>
Date: Fri, 14 Mar 2025 09:20:28 +0100
Subject: Moved arduino version in its own directory

---
 src/Colours.cpp | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/Colours.cpp

(limited to 'src/Colours.cpp')

diff --git a/src/Colours.cpp b/src/Colours.cpp
new file mode 100644
index 0000000..7ae49a2
--- /dev/null
+++ b/src/Colours.cpp
@@ -0,0 +1,86 @@
+/*
+ * Colours - library for managing the colours on RGB LEDs
+ * Copyright 2009, 2013 Elena Grandi
+ *
+ * This file is part of Colours.
+ *
+ * Colours is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as 
+ * published by the Free Software Foundation, either version 3 of 
+ * the License, or (at your option) any later version.
+ *
+ * Colours is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Colours.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Arduino.h"
+#include "Colours.h"
+
+Colours::Colours(int rPin,int gPin,int bPin) {
+    _initPINs(rPin,gPin,bPin);
+    _invert = false;
+}
+
+Colours::Colours(int rPin,int gPin,int bPin,bool invert) {
+    _initPINs(rPin,gPin,bPin);
+    _invert = invert;
+}
+
+void Colours::_initPINs(int rPin,int gPin,int bPin) {
+    _rPin = rPin;
+    _gPin = gPin;
+    _bPin = bPin;
+    pinMode(_rPin,OUTPUT);
+    pinMode(_gPin,OUTPUT);
+    pinMode(_bPin,OUTPUT);
+}
+
+void Colours::writeRGB(unsigned char r,unsigned char g,unsigned char b) {
+    if (_invert) {
+        analogWrite(_rPin, 255-r);
+        analogWrite(_gPin, 255-g);
+        analogWrite(_bPin, 255-b);
+    } else {
+        analogWrite(_rPin, r);
+        analogWrite(_gPin, g);
+        analogWrite(_bPin, b);
+    }
+}
+
+void Colours::writeHSV(unsigned int h,unsigned char s,unsigned char v) {
+    h = h % 360;
+    if (s==0) {
+        writeRGB(v,v,v);
+    } else {
+        unsigned int f,p,q,t;
+        f = 256*(h%60)/60;
+        p = v*(256-s)/256;
+        q = v*(256-f*s/256)/256;
+        t = v*(256-s*(256-f)/256)/256;
+        switch( (h/60) % 6 ) {
+            case 0:
+                writeRGB(v,t,p);
+                break;
+            case 1:
+                writeRGB(q,v,p);
+                break;
+            case 2:
+                writeRGB(p,v,t);
+                break;
+            case 3:
+                writeRGB(p,q,v);
+                break;
+            case 4:
+                writeRGB(t,p,v);
+                break;
+            case 5:
+                writeRGB(v,p,q);
+                break;
+        }
+    }
+}
-- 
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