Xadow ADXL345 + OLED display working

main.js

// Load accelerometer
var adxl345 = require('jsupm_adxl345');

// Instantiate on I2C bus
var adxl = new adxl345.Adxl345(0);

// Initialize the hardware device
var screen = new (require("jsupm_i2clcd").SSD1308)(0, 0x3C);

// Displays a message on the OLED display
function message(msg) {
  screen.clear();
  screen.home();
  screen.write(msg);
}

setInterval(function()
{
    adxl.update(); // Update the data
    var raw = adxl.getRawValues(); // Read raw sensor data
    var force = adxl.getAcceleration(); // Read acceleration force (g)
    var rawvalues = raw.getitem(0) + " " + raw.getitem(1) + " " + raw.getitem(2);
    console.log("Raw Values: " + rawvalues);
    console.log("ForceX: " + force.getitem(0).toFixed(2) + " g");
    console.log("ForceY: " + force.getitem(1).toFixed(2) + " g");
    console.log("ForceZ: " + force.getitem(2).toFixed(2) + " g");
    screen.home();
    screen.write(rawvalues + " ");
}, 1000);