draw-marking

C++ implementation

nodespace{
// 'xod_logo_128_64', 128x64px
    static const unsigned char xod_logo_128_64 [] PROGMEM = {
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    };
}

node {
    void evaluate(Context ctx) {
        // The node responds only if there is an input pulse
        if (!isInputDirty<input_UPD>(ctx))
            return;

        // Get a pointer to the `Adafruit_SSD1306` class instance
        auto display = getValue<input_DEV>(ctx);
        display->drawBitmap(0,0,xod_logo_128_64,128,64,1);
        emitValue<output_DONE>(ctx, 1);
    }
}