init

C++ implementation

node {
    void evaluate(Context ctx) {
        // The node responds only if there is an input pulsei
        if (!isInputDirty<input_INIT>(ctx))
            return;

        Wire.begin();
        Wire.setClock(400000); // use 400 kHz I2C

        // Get a pointer to the `VL53L1X` class instance
        auto sensor = getValue<input_DEV>(ctx);

        sensor->setTimeout(getValue<input_TO>(ctx));

        // Attempt to initialize VL53L1X module; if attempt fails emit error
        if (!sensor->init()) {
            raiseError(ctx);
            return;
        }

        // Pulse that module initialized successfully
        emitValue<output_OK>(ctx, 1);
    }
}