Add Bad Apple on ATMega2560 (not working very well)

# Copyright 2020 Birte Kristina Friesel

#

# SPDX-License-Identifier: CC0-1.0

prompt "Bad Apple on ATMega2560 + SSD1306 128x32 OLED"

depends on arch_atmega2560

depends on meta_driver_timer

depends on driver_ssd1306 && driver_ssd1306_mode_horizontal

depends on lib_inflate && lib_inflate_lut

depends on !loop

depends on !wakeup

# vim:ft=make

#

# Copyright 2020 Birte Kristina Friesel

#

# SPDX-License-Identifier: CC0-1.0

#!/bin/sh

# [size=WxH] ./convert.sh <file> -r <frame rate> [additional ffmpeg args]

set -eu

mkdir -p tmp

ffmpeg -i "$@" tmp/frame%4d.png

parallel mogrify -resize "${size:-128x32}" -threshold 50% -- tmp/*.png

echo "#include <avr/pgmspace.h>" > frames.cc

echo "const unsigned char frame_rate = $3;" >> frames.cc

./frames-to-cc tmp/*.png >> frames.cc

rm -rf tmp

#!/usr/bin/env python3

from PIL import Image

import os

import sys

import zlib

buf_w, buf_h = map(int, os.getenv("size", "128x32").split("x"))

def load_image(filename):

    im = Image.open(filename)

    w, h = im.size

    buf = [0 for i in range(buf_w * buf_h // 8)]

    for y in range(min(h, buf_h)):

        for x in range(min(w, buf_w)):

            if im.getpixel((x, y)):

                buf[(y // 8) * buf_w + x] |= 1 << (y % 8)

    return buf

for i in range(1, len(sys.argv) - 2):

    buf = load_image(sys.argv[i])

    c_buf = ",".join(map(str, buf))

    z_buf = zlib.compress(bytes(buf), 9)

    z_buf = z_buf[2:-4]

    out_buf = ",".join(map(str, z_buf))

    print(f"unsigned char const PROGMEM frame{i:04d}[] = {{ {len(z_buf)}, {out_buf} }};")

frames = list()

for i in range(1, len(sys.argv) - 2):

    frames.append(f"frame{i:04d}")

prefix = "const unsigned char* const frames[] PROGMEM = {"

postfix = "};"

print(prefix + ", ".join(frames) + postfix)