made neopixel lib work on cpx and clue

Author: andreamah

src/clue/adafruit_clue.py

@@ -67,6 +67,7 @@
 abs_path = pathlib.Path(__file__).parent.absolute()
 sys.path.insert(0, os.path.join(abs_path))
 import neopixel
+import constants as CONSTANTS
 
 # REVISED VERSION OF THE ADAFRUIT CLUE LIBRARY FOR DSX
 
@@ -198,7 +199,7 @@ class Clue:  # pylint: disable=too-many-instance-attributes, too-many-public-met
     RAINBOW = (RED, ORANGE, YELLOW, GREEN, BLUE, PURPLE)
 
     def __init__(self):
-        self._pixel = neopixel.NeoPixel(0, 1)
+        self._pixel = neopixel.NeoPixel(pin=CONSTANTS.CLUE_PIN, n=1, pixel_order=neopixel.RGB)
 
     @property
     def pixel(self):

src/clue/board.py

@@ -11,3 +11,4 @@ def show(self, group):
 
 
 DISPLAY = Display()
+NEOPIXEL = "D00"

src/clue/constants.py

@@ -0,0 +1,5 @@
+CPX = "CPX"
+CLUE = "CLUE"
+PIXELS = "pixels"
+
+CLUE_PIN = "D18"

src/clue/digitalio.py

@@ -6,6 +6,7 @@
 
 class DigitalInOut:
     def __init__(self, pin):
+        self.pin = pin
         pass
 
     def deinit(self):

src/clue/neopixel_write.py

@@ -3,7 +3,43 @@
 # original implementation docs for neopixel_write:
 # https://circuitpython.readthedocs.io/en/5.0.x/shared-bindings/neopixel_write/__init__.html
 
+import constants as CONSTANTS
+import common
+from adafruit_circuitplayground import cp
+
 
 def neopixel_write(gpio, buf):
     """Write buf out on the given DigitalInOut."""
-    print(tuple(buf))
+
+    if len(tuple(buf)) > 0:
+        # if we are explicitly given
+        # the clue pin, that means that
+        # the clue is definitely the active device
+        # because the constructor for the
+        # clue is what calls neopixel
+        # with the clue pin argument
+        if gpio.pin != CONSTANTS.CLUE_PIN:
+            send_cpx(buf)
+        send_clue(buf)
+
+
+def send_clue(buf):
+    sendable_json = {CONSTANTS.PIXELS: [tuple(buf)]}
+    common.utils.send_to_simulator(sendable_json, CONSTANTS.CLUE)
+
+
+def send_cpx(buf):
+    buf_list = list(buf)
+    ret_list = []
+    temp_list = []
+    for idx, elem in enumerate(buf_list):
+        if idx % 3 == 0 and idx != 0:
+            ret_list.append(tuple(temp_list))
+            temp_list = []
+        temp_list.append(elem)
+
+    if len(temp_list) == 3:
+        ret_list.append(tuple(temp_list))
+
+    max_index = min(len(ret_list), 10)
+    cp.pixels[0:max_index] = ret_list[0:max_index]