Python version of the libraryHEADmaster

1 files changed, 39 insertions, 0 deletions

diff --git a/python/colours.py b/python/colours.py
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+# Colours - library for managing the colours on RGB LEDs
+# Copyright 2025 Elena Grandi
+
+# This is the (Circuit|Micro)Python version of the library.
+
+# 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/>.
+
+def hsv2rgb(h, s, v):
+    h = h % 360
+    if s == 0:
+        return (v, v, v)
+    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
+    hue_zone = (h//60) % 6
+    if hue_zone == 0:
+        return (v, t, p)
+    elif hue_zone == 1:
+        return (q, v, p)
+    elif hue_zone == 2:
+        return (p, v, t)
+    elif hue_zone == 3:
+        return (p, q, v)
+    elif hue_zone == 4:
+        return (t, p, v)
+    elif hue_zone == 5:
+        return (v, p, q)