No. Time Source Destination Protocol Length Info 1 0.000000 host 2.7.1 USB 128 URB_INTERRUPT out Frame 1: 128 bytes on wire (1024 bits), 128 bytes captured (1024 bits) on interface 0 Interface id: 0 (usbmon0) Interface name: usbmon0 Encapsulation type: USB packets with Linux header and padding (115) Arrival Time: Mar 5, 2019 23:37:28.477697000 CET [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1551825448.477697000 seconds [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.000000000 seconds] [Time since reference or first frame: 0.000000000 seconds] Frame Number: 1 Frame Length: 128 bytes (1024 bits) Capture Length: 128 bytes (1024 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: usb] USB URB [Source: host] [Destination: 2.7.1] URB id: 0xffffa0179a0d76c0 URB type: URB_SUBMIT ('S') URB transfer type: URB_INTERRUPT (0x01) Endpoint: 0x01, Direction: OUT 0... .... = Direction: OUT (0) .... 0001 = Endpoint number: 1 Device: 7 URB bus id: 2 Device setup request: not relevant ('-') Data: present (0) URB sec: 1551825448 URB usec: 477697 URB status: Operation now in progress (-EINPROGRESS) (-115) URB length [bytes]: 64 Data length [bytes]: 64 [Response in: 2] [bInterfaceClass: Unknown (0xffff)] Unused Setup Header Interval: 1 Start frame: 0 Copy of Transfer Flags: 0x00000000 Number of ISO descriptors: 0 Leftover Capture Data: 77616e670000000040464748404446470002000000000000... 0000 c0 76 0d 9a 17 a0 ff ff 53 01 01 07 02 00 2d 00 .v......S.....-. 0010 28 fa 7e 5c 00 00 00 00 01 4a 07 00 8d ff ff ff (.~\.....J...... 0020 40 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 @...@........... 0030 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0040 77 61 6e 67 00 00 00 00 40 46 47 48 40 44 46 47 wang....@FGH@DFG character counts: 2 0 0 0 0 0 0 0 0050 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ No. Time Source Destination Protocol Length Info 2 0.000606 2.7.1 host USB 64 URB_INTERRUPT out Frame 2: 64 bytes on wire (512 bits), 64 bytes captured (512 bits) on interface 0 Interface id: 0 (usbmon0) Interface name: usbmon0 Encapsulation type: USB packets with Linux header and padding (115) Arrival Time: Mar 5, 2019 23:37:28.478303000 CET [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1551825448.478303000 seconds [Time delta from previous captured frame: 0.000606000 seconds] [Time delta from previous displayed frame: 0.000606000 seconds] [Time since reference or first frame: 0.000606000 seconds] Frame Number: 2 Frame Length: 64 bytes (512 bits) Capture Length: 64 bytes (512 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: usb] USB URB [Source: 2.7.1] [Destination: host] URB id: 0xffffa0179a0d76c0 URB type: URB_COMPLETE ('C') URB transfer type: URB_INTERRUPT (0x01) Endpoint: 0x01, Direction: OUT 0... .... = Direction: OUT (0) .... 0001 = Endpoint number: 1 Device: 7 URB bus id: 2 Device setup request: not relevant ('-') Data: not present ('>') URB sec: 1551825448 URB usec: 478303 URB status: Success (0) URB length [bytes]: 64 Data length [bytes]: 0 [Request in: 1] [Time from request: 0.000606000 seconds] [bInterfaceClass: Unknown (0xffff)] Unused Setup Header Interval: 1 Start frame: 0 Copy of Transfer Flags: 0x00000000 Number of ISO descriptors: 0 0000 c0 76 0d 9a 17 a0 ff ff 43 01 01 07 02 00 2d 3e .v......C.....-> 0010 28 fa 7e 5c 00 00 00 00 5f 4c 07 00 00 00 00 00 (.~\...._L...... 0020 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @............... 0030 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ No. Time Source Destination Protocol Length Info 3 0.000806 host 2.7.1 USB 128 URB_INTERRUPT out Frame 3: 128 bytes on wire (1024 bits), 128 bytes captured (1024 bits) on interface 0 Interface id: 0 (usbmon0) Interface name: usbmon0 Encapsulation type: USB packets with Linux header and padding (115) Arrival Time: Mar 5, 2019 23:37:28.478503000 CET [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1551825448.478503000 seconds [Time delta from previous captured frame: 0.000200000 seconds] [Time delta from previous displayed frame: 0.000200000 seconds] [Time since reference or first frame: 0.000806000 seconds] Frame Number: 3 Frame Length: 128 bytes (1024 bits) Capture Length: 128 bytes (1024 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: usb] USB URB [Source: host] [Destination: 2.7.1] URB id: 0xffffa0179a0d7600 URB type: URB_SUBMIT ('S') URB transfer type: URB_INTERRUPT (0x01) Endpoint: 0x01, Direction: OUT 0... .... = Direction: OUT (0) .... 0001 = Endpoint number: 1 Device: 7 URB bus id: 2 Device setup request: not relevant ('-') Data: present (0) URB sec: 1551825448 URB usec: 478503 URB status: Operation now in progress (-EINPROGRESS) (-115) URB length [bytes]: 64 Data length [bytes]: 64 [Response in: 4] [bInterfaceClass: Unknown (0xffff)] Unused Setup Header Interval: 1 Start frame: 0 Copy of Transfer Flags: 0x00000000 Number of ISO descriptors: 0 Leftover Capture Data: 000000000000000030300000000000000000003030000000... 0000 00 76 0d 9a 17 a0 ff ff 53 01 01 07 02 00 2d 00 .v......S.....-. 0010 28 fa 7e 5c 00 00 00 00 27 4d 07 00 8d ff ff ff (.~\....'M...... 0020 40 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 @...@........... 0030 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ bitmap data: first char 8x11 0040 00 00 00 00 00 00 00 00 30 30 00 00 00 00 00 00 ........00...... second char 8x11 0050 00 00 00 30 30 00 00 00 00 00 00 00 00 00 00 00 ...00........... 0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ No. Time Source Destination Protocol Length Info 4 0.001605 2.7.1 host USB 64 URB_INTERRUPT out Frame 4: 64 bytes on wire (512 bits), 64 bytes captured (512 bits) on interface 0 Interface id: 0 (usbmon0) Interface name: usbmon0 Encapsulation type: USB packets with Linux header and padding (115) Arrival Time: Mar 5, 2019 23:37:28.479302000 CET [Time shift for this packet: 0.000000000 seconds] Epoch Time: 1551825448.479302000 seconds [Time delta from previous captured frame: 0.000799000 seconds] [Time delta from previous displayed frame: 0.000799000 seconds] [Time since reference or first frame: 0.001605000 seconds] Frame Number: 4 Frame Length: 64 bytes (512 bits) Capture Length: 64 bytes (512 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: usb] USB URB [Source: 2.7.1] [Destination: host] URB id: 0xffffa0179a0d7600 URB type: URB_COMPLETE ('C') URB transfer type: URB_INTERRUPT (0x01) Endpoint: 0x01, Direction: OUT 0... .... = Direction: OUT (0) .... 0001 = Endpoint number: 1 Device: 7 URB bus id: 2 Device setup request: not relevant ('-') Data: not present ('>') URB sec: 1551825448 URB usec: 479302 URB status: Success (0) URB length [bytes]: 64 Data length [bytes]: 0 [Request in: 3] [Time from request: 0.000799000 seconds] [bInterfaceClass: Unknown (0xffff)] Unused Setup Header Interval: 1 Start frame: 0 Copy of Transfer Flags: 0x00000000 Number of ISO descriptors: 0 0000 00 76 0d 9a 17 a0 ff ff 43 01 01 07 02 00 2d 3e .v......C.....-> 0010 28 fa 7e 5c 00 00 00 00 46 50 07 00 00 00 00 00 (.~\....FP...... 0020 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @............... 0030 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................