initial commit of default code

Default_Files/code.py

@@ -0,0 +1,86 @@
+"""For a detailed guide on all the features of the Circuit Playground Express (cpx) library:
+https://adafru.it/cp-made-easy-on-cpx"""
+import time
+import microcontroller
+from adafruit_circuitplayground.express import cpx
+
+# Set TONE_PIANO to True to enable a tone piano on the touch pads!
+TONE_PIANO = False
+
+# Set this as a float from 0 to 1 to change the brightness. The decimal represents a percentage.
+# So, 0.3 means 30% brightness!
+cpx.pixels.brightness = 0.3
+
+# Changes to NeoPixel state will not happen without explicitly calling show()
+cpx.pixels.auto_write = False
+
+# Startup behavior is based on your board's unique ID!
+# uid returns a bytearray. The individual numbers are summed then modulo by 2
+board_id = sum(microcontroller.cpu.uid) % 2
+
+
+def color_wheel(pos):
+    # Input a value 0 to 255 to get a color value.
+    # The colours are a transition red - green - blue - back to red.
+    if pos < 0 or pos > 255:
+        return (0, 0, 0)
+    if pos < 85:
+        return (int(255 - pos*3), int(pos*3), 0)
+    if pos < 170:
+        pos -= 85
+        return (0, int(255 - pos*3), int(pos*3))
+    pos -= 170
+    return (int(pos * 3), 0, int(255 - (pos*3)))
+
+
+# Digi-Key colors: red and white!
+digi_key_colors = ((255, 0, 0), (180, 180, 150))
+
+color_index = 0
+pixel_number = 0
+# time.monotonic() allows for non-blocking LED animations!
+start = time.monotonic()
+while True:
+    now = time.monotonic()
+    if board_id == 0:
+        # Flash Digi-Key colors!
+        if now - start > 0.5:
+            color_index = (color_index + 1) % len(digi_key_colors)
+            cpx.pixels.fill(digi_key_colors[color_index])
+            cpx.pixels.show()
+            start = now
+    elif board_id == 1:
+        # Red-comet rainbow swirl!
+        pixel_number = (pixel_number + 1) % 10
+        for p in range(10):
+            color = color_wheel(25 * ((pixel_number + p) % 10))
+            cpx.pixels[p] = tuple([int(c * (10 - (pixel_number + p) % 10) / 10.0) for c in color])
+            cpx.pixels.show()
+
+    # If the switch is to the left, it returns True!
+    cpx.red_led = cpx.switch
+
+    # Press the buttons to play sounds!
+    if cpx.button_a:
+        cpx.play_file("drama.wav")
+    elif cpx.button_b:
+        cpx.play_file("low_fade.wav")
+
+    # Set TONE_PIANO to True above to enable a tone piano on the touch pads!
+    if TONE_PIANO:
+        if cpx.touch_A1:
+            cpx.start_tone(262)
+        elif cpx.touch_A2:
+            cpx.start_tone(294)
+        elif cpx.touch_A3:
+            cpx.start_tone(330)
+        elif cpx.touch_A4:
+            cpx.start_tone(349)
+        elif cpx.touch_A5:
+            cpx.start_tone(392)
+        elif cpx.touch_A6:
+            cpx.start_tone(440)
+        elif cpx.touch_A7:
+            cpx.start_tone(494)
+        else:
+            cpx.stop_tone()