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June 16, 2023 08:05
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Bad Apple!! on OLED
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import cv2 | |
import numpy as np | |
import math | |
WIDTH=32 | |
HEIGHT=24 | |
def frame2array(frame): | |
img = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) | |
img = cv2.resize(img, (WIDTH,HEIGHT)) | |
array = [] | |
for y in range(0,math.ceil(HEIGHT/8)): | |
r=[] | |
for x in range(0,WIDTH): | |
line = img[y*8:y*8+8, x] | |
d=0 | |
for b in range(0,8): | |
c = 1 if line[b] > 127 else 0 | |
d = d + (c << b) | |
r.append(d) | |
array.append(r) | |
return np.array(array, dtype=np.uint8) | |
video = cv2.VideoCapture('bad_apple.mp4') | |
with open ('badapple.bin', 'wb') as f: | |
while(True): | |
ret, frame = video.read() | |
if not ret: | |
break | |
array = frame2array(frame) | |
f.write(array) |
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#include "oled/oled_driver.h" | |
// http://elm-chan.org/junk/32bit/binclude_j.html | |
/* Import a binary file */ | |
#define IMPORT_BIN(sect, file, sym) \ | |
asm(".section " #sect "\n" /* Change section */ \ | |
".balign 4\n" /* Word alignment */ \ | |
".global " #sym "\n" /* Export the object address */ \ | |
#sym ":\n" /* Define the object label */ \ | |
".incbin \"" file "\"\n" /* Import the file */ \ | |
".global _sizeof_" #sym "\n" /* Export the object size */ \ | |
".set _sizeof_" #sym ", . - " #sym "\n" /* Define the object size */ \ | |
".balign 4\n" /* Word alignment */ \ | |
".section \".text\"\n") /* Restore section */ | |
IMPORT_BIN(".rodata", "badapple.bin", badapple); | |
extern const char badapple[][3][32], _sizeof_badapple[]; | |
void oled_task_user(void) { | |
static int cnt = 0; | |
static uint32_t t; | |
if (timer_elapsed32(t) > 33){ | |
t = timer_read32(); | |
oled_set_cursor(0, 0); | |
oled_write_raw(&badapple[cnt++][0][0], 96); | |
if (cnt >= (int32_t)_sizeof_badapple / 96) { | |
cnt = 0; | |
} | |
} | |
} | |
oled_rotation_t oled_init_user(oled_rotation_t rotation) { | |
return OLED_ROTATION_270; | |
} |
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