Merge pull request #1590 from kattni/macropad-code

Adding MacroPad code.

Author: ladyada

Adafruit_MacroPad/Digital_Input/code.py

@@ -0,0 +1,15 @@
+"""CircuitPython Digital Input example for MacroPad"""
+import board
+import digitalio
+
+led = digitalio.DigitalInOut(board.LED)
+led.direction = digitalio.Direction.OUTPUT
+
+button = digitalio.DigitalInOut(board.BUTTON)
+button.switch_to_input(pull=digitalio.Pull.UP)
+
+while True:
+    if not button.value:
+        led.value = True
+    else:
+        led.value = False

Adafruit_MacroPad/MacroPad/code.py

@@ -0,0 +1,40 @@
+"""Keypad and rotary encoder example for Adafruit MacroPad"""
+import board
+import digitalio
+import rotaryio
+import neopixel
+import keypad
+from _pixelbuf import colorwheel
+
+
+key_pins = (board.KEY1, board.KEY2, board.KEY3, board.KEY4, board.KEY5, board.KEY6,
+            board.KEY7, board.KEY8, board.KEY9, board.KEY10, board.KEY11, board.KEY12)
+keys = keypad.Keys(key_pins, value_when_pressed=False, pull=True)
+
+encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)
+button = digitalio.DigitalInOut(board.BUTTON)
+button.switch_to_input(pull=digitalio.Pull.UP)
+
+pixels = neopixel.NeoPixel(board.NEOPIXEL, 12, brightness=0.2)
+
+last_position = None
+while True:
+    if not button.value:
+        pixels.brightness = 1.0
+    else:
+        pixels.brightness = 0.2
+
+    position = encoder.position
+    if last_position is None or position != last_position:
+        print("Rotary:", position)
+    last_position = position
+
+    color_value = (position * 2) % 255
+
+    event = keys.events.get()
+    if event:
+        print(event)
+        if event.pressed:
+            pixels[event.key_number] = colorwheel(color_value)
+        else:
+            pixels[event.key_number] = 0