From b4a35c452f5963fb77f1b1c55b76c33be741f790 Mon Sep 17 00:00:00 2001
From: admin <m@b.de>
Date: Wed, 28 Jan 2026 16:33:31 +0000
Subject: [PATCH] =?UTF-8?q?ledpixels.py=20hinzugef=C3=BCgt?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 ledpixels.py | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 ledpixels.py

diff --git a/ledpixels.py b/ledpixels.py
new file mode 100644
index 0000000..2e41661
--- /dev/null
+++ b/ledpixels.py
@@ -0,0 +1,150 @@
+"""
+LED light pattern like Google Home
+"""
+
+import apa102
+import time
+import threading
+try:
+    import queue as Queue
+except ImportError:
+    import Queue as Queue
+
+
+class Pixels:
+    PIXELS_N = 3
+
+    def __init__(self):
+        self.basis = [0] * 3 * self.PIXELS_N
+        self.basis[0] = 2
+        self.basis[3] = 1
+        self.basis[4] = 1
+        self.basis[7] = 2
+
+        self.colors = [0] * 3 * self.PIXELS_N
+        self.dev = apa102.APA102(num_led=self.PIXELS_N)
+
+        self.next = threading.Event()
+        self.queue = Queue.Queue()
+        self.thread = threading.Thread(target=self._run)
+        self.thread.daemon = True
+        self.thread.start()
+
+    def wakeup(self, direction=0):
+        def f():
+            self._wakeup(direction)
+
+        self.next.set()
+        self.queue.put(f)
+
+    def listen(self):
+        self.next.set()
+        self.queue.put(self._listen)
+
+    def think(self):
+        self.next.set()
+        self.queue.put(self._think)
+
+    def speak(self):
+        self.next.set()
+        self.queue.put(self._speak)
+
+    def off(self):
+        self.next.set()
+        self.queue.put(self._off)
+
+    def _run(self):
+        while True:
+            func = self.queue.get()
+            func()
+
+    def _wakeup(self, direction=0):
+        for i in range(1, 25):
+            colors = [i * v for v in self.basis]
+            self.write(colors)
+            time.sleep(0.01)
+
+        self.colors = colors
+
+    def _listen(self):
+        for i in range(1, 25):
+            colors = [i * v for v in self.basis]
+            self.write(colors)
+            time.sleep(0.01)
+
+        self.colors = colors
+
+    def _think(self):
+        colors = self.colors
+
+        self.next.clear()
+        while not self.next.is_set():
+            colors = colors[3:] + colors[:3]
+            self.write(colors)
+            time.sleep(0.2)
+
+        t = 0.1
+        for i in range(0, 5):
+            colors = colors[3:] + colors[:3]
+            self.write([(v * (4 - i) / 4) for v in colors])
+            time.sleep(t)
+            t /= 2
+
+        # time.sleep(0.5)
+
+        self.colors = colors
+
+    def _speak(self):
+        colors = self.colors
+        gradient = -1
+        position = 24
+
+        self.next.clear()
+        while not self.next.is_set():
+            position += gradient
+            self.write([(v * position / 24) for v in colors])
+
+            if position == 24 or position == 4:
+                gradient = -gradient
+                time.sleep(0.2)
+            else:
+                time.sleep(0.01)
+
+        while position > 0:
+            position -= 1
+            self.write([(v * position / 24) for v in colors])
+            time.sleep(0.01)
+
+        # self._off()
+
+    def _off(self):
+        self.write([0] * 3 * self.PIXELS_N)
+
+    def write(self, colors):
+        for i in range(self.PIXELS_N):
+            self.dev.set_pixel(i, int(colors[3*i]), int(colors[3*i + 1]), int(colors[3*i + 2]))
+
+        self.dev.show()
+
+
+pixels = Pixels()
+
+
+if __name__ == '__main__':
+    while True:
+
+        try:
+            pixels.wakeup()
+            time.sleep(3)
+            pixels.think()
+            time.sleep(3)
+            pixels.speak()
+            time.sleep(3)
+            pixels.off()
+            time.sleep(3)
+        except KeyboardInterrupt:
+            break
+
+
+    pixels.off()
+    time.sleep(1)
\ No newline at end of file