shift-screen

wayland/arduino-tvout/shift-screen

Shift screen up, down, left or right by a specified distance.
shift-screen
@/shift-screen
Shift screen up, down, left or right by a specified distance.
DEV@/tvout-device
A tvout device.
DIRnumber
Direction. Options: 0 = up; 1 = down; 2 = left; 3 = right.
DISTnumber
Distance in pixels.
UPDpulse
Update. Triggers delay.
shift-screen
DONE
DEV
DIR
DIST
UPD
DONEpulse
Pulse on completion.
To use the node in your project you should have the wayland/arduino-tvout library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.

C++ implementation

struct State {
};

{{ GENERATED_CODE }}

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 `TVout` class instance
    auto tv = getValue<input_DEV>(ctx);
    uint8_t dir, dist;
    dir = getValue<input_DIR>(ctx);
    dist = getValue<input_DIST>(ctx);

    tv->shift(dist, dir);

    emitValue<output_DONE>(ctx, 1);
}