anavi/knobs3: Add ANAVI Knob 1

Add support for ANAVI Knob 1: an open source programmable mini
mechanical keyboard with a rotary encoders and Seeed XIAO RP2040.
This is open source hardware designed with KiCad, the smaller
version of ANAVI Knobs 3.

Signed-off-by: Leon Anavi <leon@anavi.org>

boards/anavi/knobs1/code.py

@@ -0,0 +1,28 @@
+import board
+
+from anaviknob import AnaviKnob
+
+from kmk.extensions.RGB import RGB, AnimationModes
+from kmk.keys import KC
+from kmk.modules.encoder import EncoderHandler
+
+encoder_handler = EncoderHandler()
+encoder_handler.pins = ((board.D1, board.D2, None, False),)
+encoder_handler.map = (((KC.VOLD, KC.VOLU),),)  # base layer
+
+knob = AnaviKnob()
+knob.modules.append(encoder_handler)
+
+rgb_ext = RGB(
+    pixel_pin=board.NEOPIXEL,
+    num_pixels=1,
+    val_limit=100,
+    val_default=25,
+    animation_mode=AnimationModes.RAINBOW,
+)
+knob.extensions.append(rgb_ext)
+
+knob.keymap = [[KC.MUTE]]
+
+if __name__ == '__main__':
+    knob.go()