import RPi.GPIO as GPIO
import Adafruit_WS2801
import Adafruit_GPIO.SPI as SPI

PIXEL_COUNT = 32

SPI_PORT   = 0
SPI_DEVICE = 0
pixels = Adafruit_WS2801.WS2801Pixels(PIXEL_COUNT, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE), gpio=GPIO)
   
def hex_to_rgb(hex):
    r = int(hex[0:2],16)
    g = int(hex[2:4],16)
    b = int(hex[4:6],16)
    print(r,g,b)
    return r,g,b

def set_color(r,g,b):
    for i in range(pixels.count()):
        pixels.set_pixel(i, Adafruit_WS2801.RGB_to_color(r,g,b))
    pixels.show()

def clear_pixels():
    pixels.clear()
    pixels.show()