obexftp -l失败，返回代码81

问题描述 投票：0回答：1

我目前正在尝试使用obex工具浏览（以及稍后安装）Android设备（7.1.1）的文件系统。当我尝试使用obexftp -l列出时，它只返回任何内容。我在-l之后尝试了几乎所有可能的文件参数组合，但仍然得到相同的错误。我的最终目标是使用obexfs进行安装，但感觉这是一个中间垫脚石。详情如下。

uname -r:  3.14.2-xilinx

bluetoothd -v:  4.101

bluetoothctl -v  5.47

lsusb:  Bus 001 Device 004: ID 0a5c:21e8 Broadcom Corp. BCM20702A0 Bluetooth 4.0

hcitool dev:  hci0      5C:F3:70:82:XX:XX

hciconfig -a:
hci0:   Type: BR/EDR  Bus: USB
    BD Address: 5C:F3:70:82:XX:XX  ACL MTU: 1021:8  SCO MTU: 64:1
    UP RUNNING PSCAN ISCAN
    RX bytes:13146 acl:211 sco:0 events:382 errors:0
    TX bytes:6265 acl:219 sco:0 commands:149 errors:0
    Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
    Link policy: RSWITCH SNIFF
    Link mode: SLAVE ACCEPT
    Name: '312_BT-0'
    Class: 0x000100
    Service Classes: Unspecified
    Device Class: Computer, Uncategorized
    HCI Version: 4.0 (0x6)  Revision: 0x1000
    LMP Version: 4.0 (0x6)  Subversion: 0x220e
    Manufacturer: Broadcom Corporation (15)

从Linux设备到Android设备的成功文件推送​​：

obexftp -b D4:63:C6:XX:XX:XX -B 6 -U none -p /home/root/test.txt
Suppressing FBS.
Connecting..\done
Sending "/home/root/test.txt".../done
Disconnecting..-done

试图在Android设备上列出文件结构：

obexftp -b D4:63:C6:XX:XX:XX -B 6 -U none -l
Suppressing FBS.
Connecting..\done
Receiving "(null)"...|failed: (null)
The operation failed with return code 81
Disconnecting../done

尝试上面的obexftp -l命令时输出btmon：

= New Index: 5C:F3:70:82:XX:XX (Primary,USB,hci0)             [hci0] 0.316536
< HCI Command: Create Connection (0x01|0x0005) plen 13          #1 [hci0] 3.563946
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Packet type: 0xcc18
      DM1 may be used
      DH1 may be used
      DM3 may be used
      DH3 may be used
      DM5 may be used
      DH5 may be used
    Page scan repetition mode: R2 (0x02)
    Page scan mode: Mandatory (0x00)
    Clock offset: 0x0000
    Role switch: Allow slave (0x01)
> HCI Event: Command Status (0x0f) plen 4           #2 [hci0] 3.565628
  Create Connection (0x01|0x0005) ncmd 1
    Status: Success (0x00)
> HCI Event: Role Change (0x12) plen 8           #3 [hci0] 5.392513
    Status: Success (0x00)
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Role: Slave (0x01)
> HCI Event: Connect Complete (0x03) plen 11           #4 [hci0] 5.414518
    Status: Success (0x00)
    Handle: 11
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Link type: ACL (0x01)
    Encryption: Disabled (0x00)
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2          #5 [hci0] 5.414709
    Handle: 11
> HCI Event: Command Status (0x0f) plen 4           #6 [hci0] 5.415523
  Read Remote Supported Features (0x01|0x001b) ncmd 1
    Status: Success (0x00)
> HCI Event: Max Slots Change (0x1b) plen 3           #7 [hci0] 5.425523
    Handle: 11
    Max slots: 5
> HCI Event: Link Supervision Timeout Changed (0x38) plen 4           #8 [hci0] 5.429522
    Handle: 11
    Timeout: 5000.000 msec (0x1f40)
> ACL Data RX: Handle 11 flags 0x02 dlen 10           #9 [hci0] 5.432524
  L2CAP: Information Request (0x0a) ident 2 len 2
    Type: Extended features supported (0x0002)
< ACL Data TX: Handle 11 flags 0x00 dlen 16         #10 [hci0] 5.432580
  L2CAP: Information Response (0x0b) ident 2 len 8
    Type: Extended features supported (0x0002)
    Result: Success (0x0000)
    Features: 0x000002b8
      Enhanced Retransmission Mode
      Streaming Mode
      FCS Option
      Fixed Channels
      Unicast Connectionless Data Reception
> HCI Event: Read Remote Supported Features (0x0b) plen 11          #11 [hci0] 5.438528
    Status: Success (0x00)
    Handle: 11
    Features: 0xff 0xfe 0x8f 0xfe 0xd8 0x3f 0x5b 0x87
      3 slot packets
      5 slot packets
      Encryption
      Slot offset
      Timing accuracy
      Role switch
      Hold mode
      Sniff mode
      Power control requests
      Channel quality driven data rate (CQDDR)
      SCO link
      HV2 packets
      HV3 packets
      u-law log synchronous data
      A-law log synchronous data
      CVSD synchronous data
      Paging parameter negotiation
      Power control
      Transparent synchronous data
      Broadcast Encryption
      Enhanced Data Rate ACL 2 Mbps mode
      Enhanced Data Rate ACL 3 Mbps mode
      Enhanced inquiry scan
      Interlaced inquiry scan
      Interlaced page scan
      RSSI with inquiry results
      Extended SCO link (EV3 packets)
      AFH capable slave
      AFH classification slave
      LE Supported (Controller)
      3-slot Enhanced Data Rate ACL packets
      5-slot Enhanced Data Rate ACL packets
      Sniff subrating
      Pause encryption
      AFH capable master
      AFH classification master
      Enhanced Data Rate eSCO 2 Mbps mode
      Extended Inquiry Response
      Simultaneous LE and BR/EDR (Controller)
      Secure Simple Pairing
      Encapsulated PDU
      Non-flushable Packet Boundary Flag
      Link Supervision Timeout Changed Event
      Inquiry TX Power Level
      Enhanced Power Control
      Extended features
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3         #12 [hci0] 5.438569
    Handle: 11
    Page: 1
> ACL Data RX: Handle 11 flags 0x02 dlen 10          #13 [hci0] 5.438782
  L2CAP: Information Request (0x0a) ident 3 len 2
    Type: Fixed channels supported (0x0003)
< ACL Data TX: Handle 11 flags 0x00 dlen 20         #14 [hci0] 5.438818
  L2CAP: Information Response (0x0b) ident 3 len 12
    Type: Fixed channels supported (0x0003)
    Result: Success (0x0000)
    Channels: 0x0000000000000006
      L2CAP Signaling (BR/EDR)
      Connectionless reception
> HCI Event: Command Status (0x0f) plen 4          #15 [hci0] 5.440527
  Read Remote Extended Features (0x01|0x001c) ncmd 1
    Status: Success (0x00)
> HCI Event: Number of Completed Packets (0x13) plen 5          #16 [hci0] 5.443529
    Num handles: 1
    Handle: 11
    Count: 2
> HCI Event: Read Remote Extended Features (0x23) plen 13          #17 [hci0] 5.444528
    Status: Success (0x00)
    Handle: 11
    Page: 1/1
    Features: 0x0f 0x00 0x00 0x00 0x00 0x00 0x00 0x00
      Secure Simple Pairing (Host Support)
      LE Supported (Host)
      Simultaneous LE and BR/EDR (Host)
      Secure Connections (Host Support)
< HCI Command: Remote Name Request (0x01|0x0019) plen 10         #18 [hci0] 5.444573
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Page scan repetition mode: R2 (0x02)
    Page scan mode: Mandatory (0x00)
    Clock offset: 0x0000
> HCI Event: Command Status (0x0f) plen 4          #19 [hci0] 5.445529
  Remote Name Request (0x01|0x0019) ncmd 1
    Status: Success (0x00)
> HCI Event: Remote Name Req Complete (0x07) plen 255          #20 [hci0] 5.465535
    Status: Success (0x00)
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Name: Moto E (4)
< HCI Command: Authentication Requested (0x01|0x0011) plen 2         #21 [hci0] 5.465591
    Handle: 11
Device Connected: D4:63:C6:XX:XX:XX (0) flags 0x0000
    0b 09 4d 6f 74 6f 20 45 20 28 34 29 04 0d 0c 02  ..Moto E (4)....
    5a                                               Z
> HCI Event: Command Status (0x0f) plen 4          #22 [hci0] 5.466545
  Authentication Requested (0x01|0x0011) ncmd 1
    Status: Success (0x00)
> HCI Event: Link Key Request (0x17) plen 6          #23 [hci0] 5.467541
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22         #24 [hci0] 5.467588
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
    Link key: b0912a0c42db7615860023aa911d552b
> HCI Event: Command Complete (0x0e) plen 10          #25 [hci0] 5.470540
  Link Key Request Reply (0x01|0x000b) ncmd 1
    Status: Success (0x00)
    Address: D4:63:C6:XX:XX:XX (OUI D4-63-C6)
> HCI Event: Auth Complete (0x06) plen 3          #26 [hci0] 5.489555
    Status: Success (0x00)
    Handle: 11
< HCI Command: Set Connection Encryption (0x01|0x0013) plen 3         #27 [hci0] 5.489604
    Handle: 11
    Encryption: Enabled (0x01)
> HCI Event: Command Status (0x0f) plen 4          #28 [hci0] 5.490550
  Set Connection Encryption (0x01|0x0013) ncmd 1
    Status: Success (0x00)
> HCI Event: Encryption Change (0x08) plen 4          #29 [hci0] 5.532580
    Status: Success (0x00)
    Handle: 11
    Encryption: Enabled with E0 (0x01)
< ACL Data TX: Handle 11 flags 0x00 dlen 10         #30 [hci0] 5.532645
  L2CAP: Information Request (0x0a) ident 1 len 2
    Type: Extended features supported (0x0002)
> ACL Data RX: Handle 11 flags 0x02 dlen 16          #31 [hci0] 5.562719
  L2CAP: Information Response (0x0b) ident 1 len 8
    Type: Extended features supported (0x0002)
    Result: Success (0x0000)
    Features: 0x000000b8
      Enhanced Retransmission Mode
      Streaming Mode
      FCS Option
      Fixed Channels
< ACL Data TX: Handle 11 flags 0x00 dlen 10         #32 [hci0] 5.562780
  L2CAP: Information Request (0x0a) ident 2 len 2
    Type: Fixed channels supported (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen 5          #33 [hci0] 5.565591
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 20          #34 [hci0] 5.566462
  L2CAP: Information Response (0x0b) ident 2 len 12
    Type: Fixed channels supported (0x0003)
    Result: Success (0x0000)
    Channels: 0x0000000000000082
      L2CAP Signaling (BR/EDR)
      Security Manager (BR/EDR)
< ACL Data TX: Handle 11 flags 0x00 dlen 12         #35 [hci0] 5.566511
  L2CAP: Connection Request (0x02) ident 3 len 4
    PSM: 3 (0x0003)
    Source CID: 64
> ACL Data RX: Handle 11 flags 0x02 dlen 16          #36 [hci0] 5.570089
  L2CAP: Connection Response (0x03) ident 3 len 8
    Destination CID: 67
    Source CID: 64
    Result: Connection successful (0x0000)
    Status: No further information available (0x0000)
< ACL Data TX: Handle 11 flags 0x00 dlen 27         #37 [hci0] 5.570138
  L2CAP: Configure Request (0x04) ident 4 len 19
    Destination CID: 67
    Flags: 0x0000
    Option: Maximum Transmission Unit (0x01) [mandatory]
      MTU: 1013
    Option: Retransmission and Flow Control (0x04) [mandatory]
      Mode: Basic (0x00)
      TX window size: 0
      Max transmit: 0
      Retransmission timeout: 0
      Monitor timeout: 0
      Maximum PDU size: 0
> ACL Data RX: Handle 11 flags 0x02 dlen 16          #38 [hci0] 5.571470
  L2CAP: Configure Request (0x04) ident 4 len 8
    Destination CID: 64
    Flags: 0x0000
    Option: Maximum Transmission Unit (0x01) [mandatory]
      MTU: 1691
< ACL Data TX: Handle 11 flags 0x00 dlen 18         #39 [hci0] 5.571521
  L2CAP: Configure Response (0x05) ident 4 len 10
    Source CID: 67
    Flags: 0x0000
    Result: Success (0x0000)
    Option: Maximum Transmission Unit (0x01) [mandatory]
      MTU: 1691
> HCI Event: Number of Completed Packets (0x13) plen 5          #40 [hci0] 5.573594
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 14          #41 [hci0] 5.573967
  L2CAP: Configure Response (0x05) ident 4 len 6
    Source CID: 64
    Flags: 0x0000
    Result: Success (0x0000)
< ACL Data TX: Handle 11 flags 0x00 dlen 8         #42 [hci0] 5.574064
  Channel: 67 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Set Async Balance Mode (SABM) (0x2f)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0x3f poll/final 1
     Length: 0
     FCS: 0x1c
> HCI Event: Number of Completed Packets (0x13) plen 5          #43 [hci0] 5.577595
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 8          #44 [hci0] 5.577612
  Channel: 64 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Ack (UA) (0x63)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0x73 poll/final 1
     Length: 0
     FCS: 0xd7
< ACL Data TX: Handle 11 flags 0x00 dlen 18         #45 [hci0] 5.577681
  Channel: 67 len 14 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0xef poll/final 0
     Length: 10
     FCS: 0x70
     MCC Message type: DLC Parameter Negotiation CMD (0x20)
       Length: 8
       dlci 12 frame_type 0 credit_flow 15 pri 7
       ack_timer 0 frame_size 1008 max_retrans 0 credits 7
> ACL Data RX: Handle 11 flags 0x02 dlen 18          #46 [hci0] 5.581473
  Channel: 64 len 14 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x01 cr 0 dlci 0x00
     Control: 0xef poll/final 0
     Length: 10
     FCS: 0xaa
     MCC Message type: DLC Parameter Negotiation RSP (0x20)
       Length: 8
       dlci 12 frame_type 0 credit_flow 14 pri 7
       ack_timer 0 frame_size 990 max_retrans 0 credits 7
< ACL Data TX: Handle 11 flags 0x00 dlen 8         #47 [hci0] 5.581541
  Channel: 67 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Set Async Balance Mode (SABM) (0x2f)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0x3f poll/final 1
     Length: 0
     FCS: 0x43
> HCI Event: Number of Completed Packets (0x13) plen 5          #48 [hci0] 5.584597
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 8          #49 [hci0] 5.585096
  Channel: 64 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Ack (UA) (0x63)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0x73 poll/final 1
     Length: 0
     FCS: 0x88
< ACL Data TX: Handle 11 flags 0x00 dlen 12         #50 [hci0] 5.585552
  Channel: 67 len 8 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0xef poll/final 0
     Length: 4
     FCS: 0x70
     MCC Message type: Modem Status Command CMD (0x38)
       Length: 2
       dlci 12
       fc 0 rtc 1 rtr 1 ic 0 dv 1
> ACL Data RX: Handle 11 flags 0x02 dlen 12          #51 [hci0] 5.591479
  Channel: 64 len 8 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x01 cr 0 dlci 0x00
     Control: 0xef poll/final 0
     Length: 4
     FCS: 0xaa
     MCC Message type: Modem Status Command RSP (0x38)
       Length: 2
       dlci 12
       fc 0 rtc 1 rtr 1 ic 0 dv 1
> ACL Data RX: Handle 11 flags 0x02 dlen 12          #52 [hci0] 5.592601
  Channel: 64 len 8 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x01 cr 0 dlci 0x00
     Control: 0xef poll/final 0
     Length: 4
     FCS: 0xaa
     MCC Message type: Modem Status Command CMD (0x38)
       Length: 2
       dlci 12
       fc 0 rtc 1 rtr 1 ic 0 dv 1
< ACL Data TX: Handle 11 flags 0x00 dlen 12         #53 [hci0] 5.592664
  Channel: 67 len 8 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0xef poll/final 0
     Length: 4
     FCS: 0x70
     MCC Message type: Modem Status Command RSP (0x38)
       Length: 2
       dlci 12
       fc 0 rtc 1 rtr 1 ic 0 dv 1
< ACL Data TX: Handle 11 flags 0x00 dlen 9         #54 [hci0] 5.592678
  Channel: 67 len 5 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0xff poll/final 1
     Length: 0
     FCS: 0x53
     Credits: 33
    53                                               S
< ACL Data TX: Handle 11 flags 0x00 dlen 15         #55 [hci0] 5.592688
  Channel: 67 len 11 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0xef poll/final 0
     Length: 7
     FCS: 0x4f
    80 00 07 10 00 04 00 4f                          .......O
> HCI Event: Number of Completed Packets (0x13) plen 5          #56 [hci0] 5.595604
    Num handles: 1
    Handle: 11
    Count: 2
> HCI Event: Number of Completed Packets (0x13) plen 5          #57 [hci0] 5.598602
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 21          #58 [hci0] 5.601479
  Channel: 64 len 17 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x31 cr 0 dlci 0x0c
     Control: 0xff poll/final 1
     Length: 12
     FCS: 0x89
     Credits: 4
    a0 00 0c 10 00 04 00 cb 00 00 00 01 89           .............
< ACL Data TX: Handle 11 flags 0x00 dlen 41         #59 [hci0] 5.601739
  Channel: 67 len 37 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0xef poll/final 0
     Length: 33
     FCS: 0x4f
    83 00 21 cb 00 00 00 01 42 00 19 78 2d 6f 62 65  ..!.....B..x-obe
    78 2f 66 6f 6c 64 65 72 2d 6c 69 73 74 69 6e 67  x/folder-listing
    00 4f                                            .O
> ACL Data RX: Handle 11 flags 0x02 dlen 17          #60 [hci0] 5.612611
  Channel: 64 len 13 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x31 cr 0 dlci 0x0c
     Control: 0xff poll/final 1
     Length: 8
     FCS: 0x89
     Credits: 1
    d1 00 08 cb 00 00 00 01 89                       .........
< ACL Data TX: Handle 11 flags 0x00 dlen 16         #61 [hci0] 5.613075
  Channel: 67 len 12 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0xef poll/final 0
     Length: 8
     FCS: 0x4f
    81 00 08 cb 00 00 00 01 4f                       ........O
> HCI Event: Number of Completed Packets (0x13) plen 5          #62 [hci0] 5.618623
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 17          #63 [hci0] 5.623869
  Channel: 64 len 13 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
     Address: 0x31 cr 0 dlci 0x0c
     Control: 0xff poll/final 1
     Length: 8
     FCS: 0x89
     Credits: 1
    a0 00 08 cb 00 00 00 01 89                       .........
< ACL Data TX: Handle 11 flags 0x00 dlen 8         #64 [hci0] 5.624057
  Channel: 67 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Disconnect (DISC) (0x43)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0x53 poll/final 1
     Length: 0
     FCS: 0xa2
> ACL Data RX: Handle 11 flags 0x02 dlen 8          #65 [hci0] 5.628872
  Channel: 64 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Ack (UA) (0x63)
     Address: 0x33 cr 1 dlci 0x0c
     Control: 0x73 poll/final 1
     Length: 0
     FCS: 0x88
< ACL Data TX: Handle 11 flags 0x00 dlen 8         #66 [hci0] 5.628967
  Channel: 67 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Disconnect (DISC) (0x43)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0x53 poll/final 1
     Length: 0
     FCS: 0xfd
> HCI Event: Number of Completed Packets (0x13) plen 5          #67 [hci0] 5.632625
    Num handles: 1
    Handle: 11
    Count: 2
> ACL Data RX: Handle 11 flags 0x02 dlen 8          #68 [hci0] 5.632644
  Channel: 64 len 4 [PSM 3 mode 0] {chan 0}
  RFCOMM: Unnumbered Ack (UA) (0x63)
     Address: 0x03 cr 1 dlci 0x00
     Control: 0x73 poll/final 1
     Length: 0
     FCS: 0xd7
< ACL Data TX: Handle 11 flags 0x00 dlen 12         #69 [hci0] 5.632733
  L2CAP: Disconnection Request (0x06) ident 5 len 4
    Destination CID: 67
    Source CID: 64
> ACL Data RX: Handle 11 flags 0x02 dlen 12          #70 [hci0] 5.637623
  L2CAP: Disconnection Response (0x07) ident 5 len 4
    Destination CID: 67
    Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen 5          #71 [hci0] 5.863739
    Num handles: 1
    Handle: 11
    Count: 1
< HCI Command: Disconnect (0x01|0x0006) plen 3         #72 [hci0] 7.631380
    Handle: 11
    Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen 4          #73 [hci0] 7.632590
  Disconnect (0x01|0x0006) ncmd 1
    Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen 4          #74 [hci0] 7.727640
    Status: Success (0x00)
    Handle: 11
    Reason: Connection Terminated By Local Host (0x16)
Device Disconnected: D4:63:C6:XX:XX:XX (0) reason 2
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在继续尝试许多不同的事情之后，我意识到这很可能是Android设备遇到的问题。解决方案是Android设备需要运行FTP服务才能使用obexftp -l或obexfs。我通过在Android设备上安装ES文件资源管理器并在“网络”选项卡下选择“蓝牙”来实现此目的。这将在蓝牙通道20上打开Obex FTP路径。下面的代码现在起作用;以及obexfs。

obexftp -b D4:63:C6:XX:XX:XX -B 20 -U none -l
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