Added reference scripts for startup animation

startup_anim_test.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import sk6812_multistrip as sk6812
+import math
+import sys
+import time
+
+s = sk6812.SK6812(sys.argv[1], 2703)
+
+nled = 16
+nstrip = 8
+
+interval = 1/30
+
+for led in range(nled):
+    for strip in range(nstrip):
+        s.fade_color(strip, led, 0, 0, 0, 0)
+
+s.commit()
+
+loop = 0
+while True:
+    intensity = int(64 * math.sin(2*math.pi * (loop * interval) * 0.25)**2)
+
+    r = 0
+    g = 0
+    b = intensity
+    w = 0
+
+    for strip in range(nstrip):
+        s.set_color(strip, 0, r, g, b, w)
+
+    s.commit()
+
+    time.sleep(interval)
+
+    loop += 1

startup_finished.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+import sk6812_multistrip as sk6812
+import math
+import sys
+import time
+import random
+
+s = sk6812.SK6812(sys.argv[1], 2703)
+s.set_fadestep(1)
+s.commit()
+time.sleep(3)
+
+s.set_fadestep(1)
+
+nled = 16
+nstrip = 8
+
+interval = 1/20
+
+for led in range(nled):
+    for strip in range(nstrip):
+        s.fade_color(strip, led, 0, 0, 0, 0)
+
+s.commit()
+
+loop = 0
+while loop < nled:
+    led = loop
+
+    for strip in range(nstrip):
+        intensity = 48 + random.randint(0, 32)
+
+        g = 0
+        r = intensity * loop // nled
+        b = 1*(intensity - intensity * loop // nled) / 2
+        w = 0
+
+        s.set_color(strip, led, r, g, b, w)
+        s.fade_color(strip, led, 0, 0, 0, 0)
+
+    s.commit()
+
+    time.sleep(interval)
+
+    loop += 1