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1Ӷ͹㲥

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2017-12-6 11:54:31 | ʾȫ¥ |Ķģʽ

һӶ͹BLE)㲥ݰ
͹ = BLE Bluetooth Low Energy
1. ץȡBLE㲥ݰ
   * ӲһBLE豸й㲥ܣ
         һ̨HOLLONG BLE SNIFFER
   * Hollong 4.0/4.1 BLEЭط
        ӣ
        http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble

2.
   BLE㲥ݰ飺
   * Ч㲥󳤶ȣ 37 ֽ
   * 㲥Ƶ373839 Ƶ
   * ʣһ0dBm, 10dBm      
   
   ÿСڣעͼƬע֣ץȡԭʼݣӦĽݱDz֣ݽ

3. ȡַ Access Address)   ڹ㲥һ̶(4ֽڣ̶ݣ0x8e89bed6)豸ʶ㲥Ĵȡַ



4. ͷϢ (Header Info)   ̶Ϊ2ֽڣֽΪ16λʹ
   λ[0:3]㲥PDU) ܹͣ6ͣ

        PDU Type
        b3b2b1b0 Packet Name
        0000 ADV_IND ͨӹ㲥
        0001 ADV_DIRECT_INDӶӣָ豸㲥
        0010 ADV_NONCONN_INDͨù㲥
        0011 SCAN_REQɨ
        0100 SCAN_RSPɨӦ
        0101 CONNECT_REQ
        0110 ADV_SCAN_INDɨͨù㲥
        0111-1111 Reserved

   λ[4:5]
   λ[6]RxAdd
   λ[7]TxAdd
   λ[8:13]㲥ݳ Ϊ37 ֽڣ
   λ[14:15]


5. MAC ַ   ̶Ϊ6ֽ



6. 㲥ݣ־   02 01 06
   02򳤶Ϊֽ
01: Ϊ־
   06BIT1,BIT2 = 1 ¶壬Ϊ
* LE General Discoverable Mode
      * BR/EDR Not Supported (i.e. bit 37 of LMP Extended
Feature bits Page 0)

0 LE Limited Discoverable Mode
1 LE General Discoverable Mode
2 BR/EDR Not Supported (i.e. bit 37 of LMP Extended
Feature bits Page 0)
3 Simultaneous LE and BR/EDR to Same Device Capa-
ble (Controller) (i.e. bit 49 of LMP Extended Feature
bits Page 0)
4 Simultaneous LE and BR/EDR to Same Device Capa-
ble (Host) (i.e. bit 66 of LMP Extended Feature bits
Page 1)
5..7 Reserved


7. ʶ   03 03 02 18
   03򳤶Ϊֽ
03: Ϊʶ
   02 18=18 02 => Immediate Alert Service (



8. 豸   0e 09 45 .... 6d 65
   0e: 򳤶Ϊ14ֽ
   09Ϊ豸
   456d 65: 豸



9. CRC
   ̶Ϊ3ֽ



  
  

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