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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2017-18 Richard Hull and contributors
# See LICENSE.rst for details.
import time
import argparse
from luma.led_matrix.device import max7219
from luma.core.interface.serial import spi, noop
from luma.core.render import canvas
from luma.core.legacy import text
from luma.core.legacy.font import proportional, LCD_FONT
def demo(w, h, block_orientation, rotate):
# create matrix device
serial = spi(port=0, device=0, gpio=noop())
device = max7219(serial, width=w, height=h, rotate=rotate, block_orientation=block_orientation)
print("Created device")
with canvas(device) as draw:
draw.rectangle(device.bounding_box, outline="white")
text(draw, (2, 2), "Hello", fill="white", font=proportional(LCD_FONT))
text(draw, (2, 10), "World", fill="white", font=proportional(LCD_FONT))
time.sleep(300)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='matrix_demo arguments',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--width', type=int, default=8, help='Width')
parser.add_argument('--height', type=int, default=8, help='height')
parser.add_argument('--block-orientation', type=int, default=-90, choices=[0, 90, -90], help='Corrects block orientation when wired vertically')
parser.add_argument('--rotate', type=int, default=0, choices=[0, 1, 2, 3], help='Rotation factor')
args = parser.parse_args()
try:
demo(args.width, args.height, args.block_orientation, args.rotate)
except KeyboardInterrupt:
pass
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