Adding rotation demo.

Author: kattni

examples/macropad_rotation.py

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: Copyright (c) 2021 Kattni Rembor for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+"""
+MacroPad rotation demo. Rotates the display 90 degrees and remaps the NeoPixels and keys to match.
+Lights up the associated pixel when the key is pressed. Displays the key number pressed and the
+rotary encoder relative position on the display.
+"""
+from rainbowio import colorwheel
+from adafruit_macropad import MacroPad
+
+macropad = MacroPad(rotation=90)
+
+text_lines = macropad.display_text(title="MacroPad \nInfo")
+
+while True:
+    key_event = macropad.keys.events.get()
+    if key_event:
+        if key_event.pressed:
+            text_lines[1].text = "Key {}!".format(key_event.key_number)
+            macropad.pixels[key_event.key_number] = colorwheel(
+                int(255 / 12) * key_event.key_number
+            )
+        else:
+            macropad.pixels.fill((0, 0, 0))
+    text_lines[2].text = "Encoder {}".format(macropad.encoder)
+    text_lines.show()