from lib import epd4in2
import os
#picdir = os.path.join(os.path.dirname(os.path.realpath(__file__)),'pic'
from PIL import Image

epd = epd4in2.EPD()
epd.init()

image = Image.open('./document.bmp')
image = image.convert('L')
epd.display_4Gray(epd.getbuffer_4Gray(image))
epd.sleep()

## version grayscale
#epd.Init_4Gray()
#Himage = Image.open(os.path.join(picdir, 'book_base.bmp'))
#epd.display_4Gray(epd.getbuffer_4Gray(Himage))