command_map_example.py

import supervisor
import time
import board
# For Trinket M0, Gemma M0, ItsyBitsy M0 Express, and ItsyBitsy M4 Express
import adafruit_dotstar
import neopixel

#led = adafruit_dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1)
led = neopixel.NeoPixel(board.D2, 30, auto_write=True)

def convert_color_str(color_str):
    color_str = color_str.replace("(", "")
    color_str = color_str.replace(")", "")
    parts = color_str.split(",")
    color_tuple = tuple(int(s) for s in parts)
    return color_tuple

def turn_red():
    led.fill((255,0,0))

def turn_blue():
    led.fill((0,0,255))

def turn_green():
    led.fill((0,255,0))

def turn_green():
    led.fill((0,255,0))

def turn_color(color):
    led.fill(convert_color_str(color))


COMMAND_MAP = {
    "red": turn_red,
    "blue": turn_blue,
    "green": turn_green,
    "color": turn_color
}


def serial_read():
   if supervisor.runtime.serial_bytes_available:
       value = input()
       print("you sent: %s" % value)
       parts = value.split(" ")
       if parts[0] in COMMAND_MAP.keys():
            try:
                if len(parts) > 1:
                    COMMAND_MAP[parts[0]](parts[1])
                else:
                    COMMAND_MAP[parts[0]]()
            except Exception as e:
                print("failed: %s" % value)
                print(e)


while True:
    serial_read()