pitrix/src/effect_bell.cpp

#include "Effect.h"
#include "functions.h"
#include "effect_bell.h"
#include "sprites.h"

void BellEffect::loop() {
    Serial.println("This is Bell.loop()");
    for (int y = 0; y < 16; y++) {
        for (int x = 0; x < 2; x++) {
            for (int z = 0; z < 8; z++) {
                leds[XYsafe(x * 8 + z, y)] = (sprite_bell[y * 2 + x] >> (7 - z) & 1) ^ invert ? color_on : color_off;
            }
        }
    }

    EVERY_N_MILLISECONDS(300) {
        invert = !invert;
    }
}