ringz!

Author: ladyada

adafruit_is31fl3741/adafruit_ledglasses.py

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+# SPDX-FileCopyrightText: Tony DiCola 2017 for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+"""
+`adafruit_is31fl3741.adafruit_rgbmatrixqt`
+====================================================
+
+CircuitPython driver for the Adafruit IS31FL3741 RGB Matrix QT board
+
+
+* Author(s): ladyada
+
+Implementation Notes
+--------------------
+
+**Hardware:**
+
+**Software and Dependencies:**
+
+* Adafruit CircuitPython firmware for the supported boards:
+  https://github.com/adafruit/circuitpython/releases
+
+"""
+
+# imports
+from . import IS31FL3741
+
+class Right_Ring(IS31FL3741):
+    """The right eye ring of the LED glasses"""
+    def __init__(self, is31_controller):
+        self._is31 = is31_controller
+        
+    def __setitem__(self, led, color):
+        if not 0 <= led <= 23:
+            raise ValueError("led must be 0~23")
+
+        ledmap = ((287, 31, 30), # 0
+                  (278, 1, 0), # 1
+                  (273, 274, 275), # 2
+                  (282, 283, 284), # 3
+                  (270, 271, 272), # 4
+                  (27, 28, 29), # 5
+                  (23, 24, 25), # 6
+                  (276, 277, 22), # 7
+                  (20, 21, 26), # 8
+                  (50, 51, 56), # 9
+                  (80, 81, 86), # 10
+                  (110, 111, 116), #11
+                  (140, 141, 146), #12
+                  (170, 171, 176), #13
+                  (200, 201, 206), #14
+                  (230, 231, 236), #15
+                  (260, 261, 266), #16
+                  (348, 349, 262), #17
+                  (233, 234, 235), #18
+                  (237, 238, 239), #19
+                  (339, 340, 232), #20
+                  (327, 328, 329), #21
+                  (305, 91, 90), #22
+                  (296, 61, 60), # 23
+                  )
+        rgb = ledmap[led]
+        self._is31[rgb[0]] = (color >> 16) & 0xFF
+        self._is31[rgb[1]] = (color >> 8) & 0xFF
+        self._is31[rgb[2]] = color & 0xFF
+        
+class Left_Ring:
+    """The left eye ring of the LED glasses"""
+    def __init__(self, is31_controller):
+        self._is31 = is31_controller
+        
+    def __setitem__(self, led, color):
+        if not 0 <= led <= 23:
+            raise ValueError("led must be 0~23")
+
+        ledmap = (
+            (341, 211, 210), #0
+            (332, 181, 180), #1
+            (323, 151, 150), #2
+            (127, 126, 125), #3
+            (154, 153, 152), #4
+            (163, 162, 161), #5
+            (166, 165, 164), #6
+            (244, 243, 242), #7
+            (259, 258, 257), #8
+            (169, 168, 167), #9
+            (139, 138, 137), #10
+            (109, 108, 107), #11
+            (79, 78, 77), #12
+            (49, 48, 47), #13
+            (199, 198, 197), #14
+            (229, 228, 227), #15
+            (19, 18, 17), #16
+            (4, 3, 2), #17
+            (16, 15, 14), #18
+            (13, 12, 11), #19
+            (10, 9, 8), #20
+            (217, 216, 215), #21
+            (7, 6, 5), #22
+            (350, 241, 240), #23
+            )
+        rgb = ledmap[led]
+        self._is31[rgb[0]] = (color >> 16) & 0xFF
+        self._is31[rgb[1]] = (color >> 8) & 0xFF
+        self._is31[rgb[2]] = color & 0xFF
+
+
+
+
+class LED_Glasses(IS31FL3741):
+    def __init__(self, i2c):
+        super().__init__(i2c)
+        self.set_led_scaling(0xFF)  # turn on LEDs all the way
+        self.global_current = 0xFE  # set current to max
+        self.enable = True  # enable!
+        
+        self.right_ring = Right_Ring(self)
+        self.left_ring = Left_Ring(self)

examples/is31fl3741_glassesrings.py

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+
+import time
+import board
+import microcontroller
+import busio
+from adafruit_is31fl3741.adafruit_ledglasses import LED_Glasses
+from rainbowio import colorwheel
+
+i2c = busio.I2C(microcontroller.pin.P0_08, microcontroller.pin.P0_06)
+glasses = LED_Glasses(i2c)
+
+wheeloffset = 0
+while True:
+    for i in range(24):
+        glasses.right_ring[i] = colorwheel(i/24*255 + wheeloffset)
+        glasses.left_ring[23-i] = colorwheel(i/24*255 + wheeloffset)
+    wheeloffset += 10