To use the node in your project you should have the wayland/sh1107-oled-i2c 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
// Declare that node raises errors
#pragma XOD error_raise enable
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto display = getValue<input_DEV>(ctx);
auto address = getValue<input_ADDR>(ctx);
if (!display->begin(address, true)) {
raiseError(ctx);
return;
}
emitValue<output_DONE>(ctx, 1);
}
}