コード例 #1
0
        private async void Watcher_Received(BluetoothLEAdvertisementWatcher sender, BluetoothLEAdvertisementReceivedEventArgs args)
        {
            await this.Dispatcher.InvokeAsync(() => {
                // http://sonic.blue/it/605
                // Windows10デバイスでiBeaconの全データを取得する方法
                iBeacon bcon = new iBeacon(args);
                if (bcon.UUID != null)
                {
                    // iBeacon
                    DateTimeOffset timestamp = args.Timestamp;
                    string retBeaconData;
                    retBeaconData  = "{";
                    retBeaconData += string.Format("vendor:'{0}',", bcon.iBeaconVendor);
                    retBeaconData += string.Format("uuid:'{0}',", bcon.UUID);
                    retBeaconData += string.Format("major:{0},", bcon.Major.ToString("D"));
                    retBeaconData += string.Format("minor:{0},", bcon.Minor.ToString("D"));
                    retBeaconData += string.Format("measuredPower:{0},", bcon.MeasuredPower.ToString("D"));
                    retBeaconData += string.Format("rssi:{0},", bcon.Rssi.ToString("D"));
                    retBeaconData += string.Format("accuracy:{0},", bcon.Accuracy.ToString("F6"));
                    retBeaconData += string.Format("proximity:'{0}',", bcon.Proximity);
                    retBeaconData += string.Format("BluetoothAddress:'{0}',", bcon.BluetoothAddress);
                    retBeaconData += string.Format("RawSignalStrengthInDBm:{0}", bcon.RawSignalStrengthInDBm);
                    retBeaconData += "}";

                    this.textBox.Text = this.textBox.Text + timestamp.ToString("HH\\:mm\\:ss\\.fff") + ":" + retBeaconData + "\r\n";
                }
            });
        }
コード例 #2
0
        //コンストラクタ2
        public iBeacon(BluetoothLEAdvertisementReceivedEventArgs eventArgs)
        {
            BluetoothAddress       = eventArgs.BluetoothAddress.ToString("X");
            RawSignalStrengthInDBm = eventArgs.RawSignalStrengthInDBm;

            //出力されているbyteデータから各値を抽出する
            var manufacturerSections = eventArgs.Advertisement.ManufacturerData;

            Timestamp         = eventArgs.Timestamp;
            AdvertisementType = eventArgs.AdvertisementType;

            if (manufacturerSections.Count > 0)
            {
                var manufacturerData = manufacturerSections[0];
                var data             = new byte[manufacturerData.Data.Length];

                iBeacon bcon = new iBeacon();

                using (var reader = DataReader.FromBuffer(manufacturerData.Data)) {
                    reader.ReadBytes(data);
                }

                //長さをチェック
                if (data == null || data.Length < MinimumLengthInBytes + AdjustedLengthInBytes)
                {
                    return;
                }

                //イベントから取得
                Rssi           = eventArgs.RawSignalStrengthInDBm;
                Name           = eventArgs.Advertisement.LocalName;
                ManufacturerId = manufacturerData.CompanyId;

                //バイトデータから抽出
                //公式での出力値(Windowsでは2byteずれているので補正が必要)
                // Byte(s)  WinByte(s) Name
                // --------------------------
                // 0-1      none       Manufacturer ID (16-bit unsigned integer, big endian)
                // 2-3      0-1        Beacon code (two 8-bit unsigned integers, but can be considered as one 16-bit unsigned integer in little endian)
                // 4-19     2-17       ID1 (UUID)
                // 20-21    18-19      ID2 (16-bit unsigned integer, big endian)
                // 22-23    20-21      ID3 (16-bit unsigned integer, big endian)
                // 24       22         Measured Power (signed 8-bit integer)
                // 25       23         Reserved for use by the manufacturer to implement special features (optional)

                //BigEndianの値を取得
                {
                    //UUID = BitConverter.ToString(data, 4 + AdjustedLengthInBytes, 16); // Bytes 2-17
                    //00000000 - 0000 - 0000 - 0000 - 000000000000
                    int index = 4 + AdjustedLengthInBytes;
                    UUID  = BitConverter.ToString(data, index, 4).Replace("-", "") + "-";
                    index = index + 4;
                    UUID  = UUID + BitConverter.ToString(data, index, 2).Replace("-", "") + "-";
                    index = index + 2;
                    UUID  = UUID + BitConverter.ToString(data, index, 2).Replace("-", "") + "-";
                    index = index + 2;
                    UUID  = UUID + BitConverter.ToString(data, index, 2).Replace("-", "") + "-";
                    index = index + 2;
                    UUID  = UUID + BitConverter.ToString(data, index, 6).Replace("-", "");
                    index = index + 6;
                }

                MeasuredPower = Convert.ToSByte(BitConverter.ToString(data, 24 + AdjustedLengthInBytes, 1), 16); // Byte 22

                //もし追加データがあればここで取得
                if (data.Length >= MinimumLengthInBytes + AdjustedLengthInBytes + 1)
                {
                    ManufacturerReserved = data[25 + AdjustedLengthInBytes]; // Byte 23
                }

                //.NET FramewarkのEndianはCPUに依存するらしい
                if (BitConverter.IsLittleEndian)
                {
                    //LittleEndianの値を取得
                    byte[] revData;

                    revData = new byte[] { data[20 + AdjustedLengthInBytes], data[21 + AdjustedLengthInBytes] };// Bytes 18-19
                    Array.Reverse(revData);
                    Major = BitConverter.ToUInt16(revData, 0);

                    revData = new byte[] { data[22 + AdjustedLengthInBytes], data[23 + AdjustedLengthInBytes] };// Bytes 20-21
                    Array.Reverse(revData);
                    Minor = BitConverter.ToUInt16(revData, 0);
                }
                else
                {
                    //BigEndianの値を取得
                    Major = BitConverter.ToUInt16(data, 20 + AdjustedLengthInBytes); // Bytes 18-19
                    Minor = BitConverter.ToUInt16(data, 22 + AdjustedLengthInBytes); // Bytes 20-21
                }
            }
            else
            {
                new iBeacon();
            }
        }