#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2017-18 Richard Hull and contributors
# License: https://github.com/rm-hull/luma.led_matrix/blob/master/LICENSE.rst
# Github link: https://github.com/rm-hull/luma.led_matrix/

# Import all the modules 
import re
import time
from luma.led_matrix.device import max7219
from luma.core.interface.serial import spi, noop
from luma.core.render import canvas
from luma.core.virtual import viewport
from luma.core.legacy import text, show_message
from luma.core.legacy.font import proportional, CP437_FONT, TINY_FONT, SINCLAIR_FONT, LCD_FONT


def main(cascaded, block_orientation, rotate):
    
    # create matrix device
    serial = spi(port=0, device=1, gpio=noop())
    device = max7219(serial, cascaded=cascaded or 1, block_orientation=block_orientation, rotate=rotate or 0)
    # debugging purpose
    print("[-] Matrix initialized")

    # print hello world on the matrix display
    msg = ""
    # debugging purpose
    print("[-] Printing: %s" % msg)
    show_message(device, msg, fill="white", font=proportional(CP437_FONT), scroll_delay=0.1)


if __name__ == "__main__":
    
    # cascaded = Number of cascaded MAX7219 LED matrices, default=1
    # block_orientation = choices 0, 90, -90, Corrects block orientation when wired vertically, default=0
    # rotate = choices 0, 1, 2, 3, Rotate display 0=0°, 1=90°, 2=180°, 3=270°, default=0
   
    try:
        main(cascaded=1, block_orientation=90, rotate=0)
    except KeyboardInterrupt:
        pass