Neotrellis color game

Adding code and cad files to branch

NeoTrellis_Color_Game/main.py

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+import time, random
+import board
+import digitalio
+from board import SCL, SDA
+import busio
+from adafruit_neotrellis.neotrellis import NeoTrellis
+
+# create the i2c object for the trellis
+i2c_bus = busio.I2C(SCL, SDA)
+
+# create the trellis
+trellis = NeoTrellis(i2c_bus)
+
+button_pin = board.D6
+
+button = digitalio.DigitalInOut(button_pin)
+button.direction = digitalio.Direction.INPUT
+button.pull = digitalio.Pull.UP
+
+# some color definitions
+OFF = (0, 0, 0)
+RED = (25, 0, 0)
+YELLOW = (25, 15, 0)
+GREEN = (0, 25, 0)
+CYAN = (0, 25, 25)
+BLUE = (0, 0, 25)
+PURPLE = (18, 0, 25)
+WHITE = (127, 127, 127)
+
+PUSH_COLOR = GREEN
+ANIM_COLOR = WHITE
+
+COLORS = [RED, YELLOW, GREEN, CYAN, BLUE, PURPLE]
+
+
+# this will be called when button events are received
+def blink(event):
+    # turn the LED on when a rising edge is detected
+    if event.edge == NeoTrellis.EDGE_RISING:
+        if button.value:
+            trellis.pixels[event.number] = WHITE
+        else:    
+            for i in range(16):
+                trellis.pixels[i] = ANIM_COLOR
+                time.sleep(.05)
+                trellis.pixels[i] = OFF
+                time.sleep(.05)
+            
+    # turn the LED off when a rising edge is detected
+    elif event.edge == NeoTrellis.EDGE_FALLING:
+        trellis.pixels[event.number] = random.choice([RED, YELLOW, GREEN, CYAN, BLUE, PURPLE])
+
+for i in range(16):
+    # activate rising edge events on all keys
+    trellis.activate_key(i, NeoTrellis.EDGE_RISING)
+    # activate falling edge events on all keys
+    trellis.activate_key(i, NeoTrellis.EDGE_FALLING)
+    # set all keys to trigger the blink callback
+    trellis.callbacks[i] = blink
+
+    # cycle the LEDs on startup
+    trellis.pixels[i] = ANIM_COLOR
+    time.sleep(.05)
+
+for i in range(16):
+    trellis.pixels[i] = OFF
+    time.sleep(.05)
+
+while True:
+    # call the sync function call any triggered callbacks
+    trellis.sync()
+    # the trellis can only be read every 17 millisecons or so
+    time.sleep(.02)