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Author: TheKitty

Gemma/GemmaM0_Clockwork_Goggles/code.py

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+# SPDX-FileCopyrightText: 2017 John Edgar Park for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# CircuitPython Gemma Gear goggles
+# uses two 16 NeoPixel rings (RGBW)
+# connected to Gemma M0 powered by LiPo battery
+
+import time
+
+import board
+import neopixel
+
+pixpinLeft = board.D1  # Data In attached to Gemma pin D1
+pixpinRight = board.D0  # Data In attached to Gemma pin D0
+numpix = 16
+
+# uncomment the lines below for RGB NeoPixels
+stripLeft = neopixel.NeoPixel(pixpinLeft, numpix, bpp=3, brightness=.18,
+                              auto_write=False)
+stripRight = neopixel.NeoPixel(pixpinRight, numpix, bpp=3, brightness=.18,
+                               auto_write=False)
+
+
+# Use these lines for RGBW NeoPixels
+# stripLeft = neopixel.NeoPixel(pixpinLeft, numpix, bpp=4, brightness=.18,
+#    auto_write=False)
+# stripRight = neopixel.NeoPixel(pixpinRight, numpix, bpp=4, brightness=.18,
+#    auto_write=False)
+
+
+def cog(pos):
+    # Input a value 0 to 255 to get a color value.
+    # Note: switch the commented lines below if using RGB vs. RGBW NeoPixles
+    if (pos < 8) or (pos > 250):
+        # return (120, 0, 0, 0) #first color, red: for RGBW NeoPixels
+        return (120, 0, 0)  # first color, red: for RGB NeoPixels
+    if pos < 85:
+        return (int(pos * 3), int(255 - (pos * 3)), 0)
+        # return (125, 35, 0, 0) #second color, brass: for RGBW NeoPixels
+        # return (125, 35, 0)  # second color, brass: for RGB NeoPixels
+    elif pos < 170:
+        pos -= 85
+        # return (int(255 - pos*3), 0, int(pos*3), 0)#: for RGBW NeoPixels
+        return (int(255 - pos * 3), 0, int(pos * 3))  # : for RGB NeoPixels
+    else:
+        pos -= 170
+        # return (0, int(pos*3), int(255 - pos*3), 0)#: for RGBW NeoPixels
+        return (0, int(pos * 3), int(255 - pos * 3))  # : for RGB NeoPixels
+
+
+def brass_cycle(wait, patternL, patternR):
+    # patterns do different things, try:
+    # 1 blink
+    # 24 chase w pause
+    # 64 chase
+    # 96 parial chase
+    # 128 half turn
+    # 230 quarter turn w blink
+    # 256 quarter turn
+    for j in range(255):
+        for i in range(len(stripLeft)):
+            idxL = int((i * patternL / len(stripLeft)) + j)
+            stripLeft[i] = cog(idxL & 64)  # sets the second (brass) color
+            idxR = int((i * patternR / len(stripRight)) + j)
+            stripRight[i] = cog(idxR & 64)  # sets the second (brass) color
+        stripLeft.show()
+        stripRight.show()
+        time.sleep(wait)
+
+
+while True:
+    brass_cycle(0.01, 256, 24)  # brass color cycle with 1ms delay per step
+    # patternL, patternR