To use the node in your project you should have the wayland/nextion 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
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 `EasyNex` class instance
auto eznex = getValue<input_DEV>(ctx);
emitValue<output_Curr>(ctx, eznex -> currentPageId);
emitValue<output_Prev>(ctx, eznex -> lastCurrentPageId);
emitValue<output_Done>(ctx, 1);
}
}