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.
DONEpulse
Pulse on completion.
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);
}