Add Test

test.1.js

+const drone = require('ar-drone').createClient();
+const btSerial = new (require('bluetooth-serial-port')).BluetoothSerialPort();
+
+function toDrone(data) {
+  // action:  up, down, front, back, left, right, clockwise, counterClockwise
+  // speed: 0.0 ~ 1.0
+  // drone['back'](0.3); // drone['action'](speed);
+
+  // action: takeoff, land, disableEmergency
+  // drone['takeoff']();
+
+  // drone.calibrate(0); // magnetometer sync
+}
+
+function fromDrone(data) {
+  // type: batteryPercentage, altitudeMeters, 
+  //       clockwiseDegrees, frontBackDegrees, leftRightDegrees, xVelocity, yVelocity, zVelocity
+  // Math.round(data.demo[type], 4);
+  console.log(data.demo);
+}
+
+function fromController(data) {
+  process.stdout.write(data);
+}
+
+drone.config('general:navdata_demo', 'TRUE');
+drone.on('navdata', fromDrone);
+
+console.log("Try to connect Bluetooth...");
+btSerial.on('found', (address, name) => {
+  if (!name.toLowerCase().includes('dronermctrl')) {
+    console.log('SKIP: ', name);
+  } else {
+    btSerial.findSerialPortChannel(address, channel => {
+      // Finds then serial port channel and then connects to it
+      btSerial.connect(address, channel, function () {
+        console.log("Bluetooth connected.");
+        btSerial.on('data', bufferData => fromController(bufferData.toString('utf-8')));
+      }, console.error);
+      btSerial.close();
+    }, console.error);
+  }
+});
+
+btSerial.inquire(); // start bluetooth serial