To use the node in your project you should have the wayland/as7341-spectrometer 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
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_INIT
node {
void evaluate(Context ctx) {
// The node responds only if there is an input pulsei
if (!isInputDirty<input_INIT>(ctx))
return;
// Get a pointer to the `Adafruit_AS7341` class instance
auto sensor = getValue<input_DEV>(ctx);
auto wire = getValue<input_I2C>(ctx);
// Attempt to initialize AS7341 module; if attempt fails emit error
if (!sensor->begin(AS7341_I2CADDR_DEFAULT, wire, 0)) {
raiseError(ctx);
return;
}
emitValue<output_OK>(ctx, 1);
}
}