Initial RGB with test animation running automatically

kmk/firmware.py

@@ -49,6 +49,16 @@ import kmk.internal_state  # isort:skip
 # Thanks for sticking around. Now let's do real work, starting below
 
 from kmk.util import intify_coordinate as ic
+import busio
+import gc
+
+import supervisor
+from kmk.consts import LeaderMode, UnicodeMode
+from kmk.hid import USB_HID
+from kmk.internal_state import InternalState
+from kmk.keys import KC
+from kmk.matrix import MatrixScanner
+from kmk import rgb
 
 
 class Firmware:
@@ -80,6 +90,10 @@ class Firmware:
     uart = None
     uart_flip = True
     uart_pin = None
+    pixel_pin = None
+    num_pixels = None
+    pixels = None
+    pixel_state = 0, 0
 
     def __init__(self):
         # Attempt to sanely guess a coord_mapping if one is not provided
@@ -174,6 +188,14 @@ class Firmware:
         else:
             return busio.UART(tx=pin, rx=None, timeout=timeout)
 
+    def init_pixels(self, pixel_pin, num_pixels=0):
+        try:
+            import neopixel
+            return neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.3, auto_write=False)
+        except ImportError as e:
+            print(e)
+            return None
+
     def go(self):
         assert self.keymap, 'must define a keymap with at least one row'
         assert self.row_pins, 'no GPIO pins defined for matrix rows'
@@ -194,7 +216,10 @@ class Firmware:
         if self.uart_pin is not None:
             self.uart = self.init_uart(self.uart_pin)
 
-        self.matrix = self.matrix_scanner(
+        if self.pixel_pin is not None:
+            self.pixels = self.init_pixels(self.pixel_pin, self.num_pixels)
+
+        self.matrix = MatrixScanner(
             cols=self.col_pins,
             rows=self.row_pins,
             diode_orientation=self.diode_orientation,
@@ -214,6 +239,7 @@ class Firmware:
         if self.debug_enabled:
             print("Firin' lazers. Keyboard is booted.")
 
+
         while True:
             state_changed = False
 
@@ -248,3 +274,14 @@ class Firmware:
 
             if self.debug_enabled and state_changed:
                 print('New State: {}'.format(self._state._to_dict()))
+
+            gc.collect()
+            test = rgb.color_chase(self.pixels,
+                                   self.num_pixels,
+                                   color=(255,0,0),
+                                   color2=(0,255,255),
+                                   animation_state=self.pixel_state[0])
+
+            if test is not None:
+                # Debugging some strange errors with NoneType
+                self.pixel_state = test

kmk/rgb.py

@@ -0,0 +1,58 @@
+OFF = (0, 0, 0)
+RED = (255, 0, 0)
+YELLOW = (255, 150, 0)
+GREEN = (0, 255, 0)
+CYAN = (0, 255, 255)
+BLUE = (0, 0, 255, 0)
+PURPLE = (180, 0, 255)
+
+
+def wheel(pos):
+    # Input a value 0 to 255 to get a color value.
+    # The colours are a transition r - g - b - back to r.
+    if pos < 0 or pos > 255:
+        return (0, 0, 0)
+    if pos < 85:
+        return (255 - pos * 3, pos * 3, 0)
+    if pos < 170:
+        pos -= 85
+        return (0, 255 - pos * 3, pos * 3)
+    pos -= 170
+    return (pos * 3, 0, 255 - pos * 3)
+
+
+def color_chase(pixels, num_pixels, color, color2=OFF, speed=100, animation_state=0):
+    if animation_state not in range(num_pixels):
+        color = color2
+        pixels[int(animation_state - num_pixels)] = color
+
+    else:
+        pixels[animation_state] = color
+
+    pixels.show()
+    animation_state += 1
+
+    if animation_state >= num_pixels * 2:
+        animation_state = 0
+
+    return animation_state, 0
+
+
+def rainbow_cycle(pixels, num_pixels, speed=100, animation_state=0, color_state=0):
+    color_state += 1
+    if color_state in range(255):
+        print(animation_state)
+        animation_state +=1
+        if animation_state in range(num_pixels):
+            rc_index = (animation_state * 256 // num_pixels) + animation_state
+            print(pixels[animation_state])
+            print(wheel(rc_index & 255))
+            pixels[animation_state] = wheel(rc_index & 255)
+        else:
+            pixels.show()
+            return 0, color_state
+    else:
+        return animation_state, 0
+
+
+