from machine import Pin
import time
import neopixel

ws_pin  =       13
NUMPIXELS =  64          # NeoPixel ring size
pixDELAY  =  100         # Delay for pixel persistence

def hsv_to_rgb(h, s, v):
  i = int(h * 6.)
  f = (h * 6.) - i
  p = v * (1. - s)
  q = v * (1. - s * f)
  t = v * (1. - s * (1. - f))
  i = i % 6

  if i == 0:
    return int(v * 255), int(t * 255), int(p * 255)
  elif i == 1:
    return int(q * 255), int(v * 255), int(p * 255)
  elif i == 2:
    return int(p * 255), int(v * 255), int(t * 255)
  elif i == 3:
    return int(p * 255), int(q * 255), int(v * 255)
  elif i == 4:
    return int(t * 255), int(p * 255), int(v * 255)
  elif i == 5:
    return int(v * 255), int(p * 255), int(q * 255)

# https://toptechboy.com/convert-hsv-to-rgb-in-micropython/
def getRGB(deg):
  m=1/60
  if deg>=0 and deg<60:
    R=1
    G=0
    B=m*deg
  if deg>=60 and deg<120:
    R=1-m*(deg-60)
    G=0
    B=1
  if deg>=120 and deg<180:
    R=0
    G=m*(deg-120)
    B=1
  if deg>=180 and deg<240:
    R=0
    G=1
    B=1-m*(deg-180)
  if deg>=240 and deg<300:
    R=m*(deg-240)
    G=1
    B=0
  if deg>=300 and deg<360:
    R=1
    G=1-m*(deg-300)
    B=0
  myColor=(R,G,B)
  return myColor

# Start Function
if __name__ == '__main__':
  # Create a NeoPixel object
  pixels = neopixel.NeoPixel(Pin(ws_pin), NUMPIXELS)

  for n in range(0,60, 1):
    pixels[n] = getRGB(n*6)  # Set the current pixel to the rainbow color
    print(pixels[n])
  pixels.write()  # Update pixel colors
  time.sleep_ms(pixDELAY)