Attached is a copy of a script I wrote that clears up these verbose logs. I don't know if it is the most recent version, I cannot reach my development machine, and i just found this copy with google :)
basically: cat UsbSnoop.log | perl spike4.pl > UsbSnoop.out then look at the .out file. allan On Wed, Feb 24, 2010 at 10:54 AM, Gernot Hassenpflug <aikishugyo at gmail.com> wrote: > Dear all, > ?I am trying to analyse the CanoScan 8800F SniffUSB 2.0 results (WinXP > Pro in VMware) and am confused by a few things. > > 1) there are 4 endpoints: > ? ?*?0x00000000 which has both IN and OUT version; > ? ?* ? 0x00000007 which is a bulk type, seems to be for OUT only; > ? ?* ? 0x00000088 which is a bulk type, seems to be for both IN and OUT; > ? ?* ? 0x00000089 which is an interrupt type, seems to be for both IN and OUT. > ? whereas I thought only endpoint 0x00000000 can have both IN and OUT > use, while all other endpoints are either IN or OUT, but not both. > > 2) ?snoop headings like ">>> ?URB 16 going down ?>>>" and ?"<<< ?URB > 16 coming back ?<<<" are both followed by: > ? ? ?TransferFlags ? ? ? ?= 00000002 (USBD_TRANSFER_DIRECTION_OUT, > USBD_SHORT_TRANSFER_OK) > ? ? whereas I thought that "down" means the endpoint must be "OUT" > direction, and "back" must be "IN" direction. > > 3) sometimes there is a value for TransferBufferLength but no apparent > data, like for URB16 below: > > ? ?[670492 ms] ?>>> ?URB 16 going down ?>>> > -- URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER: > ?PipeHandle ? ? ? ? ? = 85afcb24 [endpoint 0x00000007] > ?TransferFlags ? ? ? ?= 00000002 (USBD_TRANSFER_DIRECTION_OUT, > USBD_SHORT_TRANSFER_OK) > ?TransferBufferLength = 00000010 > ?TransferBuffer ? ? ? = 00000000 > ?TransferBufferMDL ? ?= 84d316b0 > ? ?00000000: f3 20 00 00 00 00 00 00 00 00 00 00 00 00 00 10 ? <- > data corresponding to TransferBufferLength > ?UrbLink ? ? ? ? ? ? ?= 00000000 > [670493 ms] UsbSnoop - MyInternalIOCTLCompletion(ed926126) : > fido=85a0d810, Irp=85dbee28, Context=86185b00, IRQL=2 > [670493 ms] ?<<< ?URB 16 coming back ?<<< > -- URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER: > ?PipeHandle ? ? ? ? ? = 85afcb24 [endpoint 0x00000007] > ?TransferFlags ? ? ? ?= 00000002 (USBD_TRANSFER_DIRECTION_OUT, > USBD_SHORT_TRANSFER_OK) > ?TransferBufferLength = 00000010 ?<- length, but no apparent data to be seen. > ?TransferBuffer ? ? ? = 00000000 > ?TransferBufferMDL ? ?= 84d316b0 > ?UrbLink ? ? ? ? ? ? ?= 00000000 > [670494 ms] UsbSnoop - FilterDispatchAny(ed925fd2) : > IRP_MJ_INTERNAL_DEVICE_CONTROL > [670494 ms] UsbSnoop - FdoHookDispatchInternalIoctl(ed9261ea) : > fdo=84c4da90, Irp=85dbee28, IRQL=0 > [670494 ms] ?>>> ?URB 17 going down ?>>> > > I am happy to see that the SniffUSB is showing me the device Vid, Pid and Rid: > > [621 ms] ?>>> ?URB 1 going down ?>>> > -- URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE: > ?TransferBufferLength = 00000012 > ?TransferBuffer ? ? ? = 8605a808 > ?TransferBufferMDL ? ?= 00000000 > ?Index ? ? ? ? ? ? ? ?= 00000000 > ?DescriptorType ? ? ? = 00000001 (USB_DEVICE_DESCRIPTOR_TYPE) > ?LanguageId ? ? ? ? ? = 00000000 > [622 ms] UsbSnoop - MyInternalIOCTLCompletion(ee652126) : > fido=00000000, Irp=849ee720, Context=84b2ab00, IRQL=2 > [623 ms] ?<<< ?URB 1 coming back ?<<< > -- URB_FUNCTION_CONTROL_TRANSFER: > ?PipeHandle ? ? ? ? ? = 85d1e908 > ?TransferFlags ? ? ? ?= 0000000b (USBD_TRANSFER_DIRECTION_IN, > USBD_SHORT_TRANSFER_OK) > ?TransferBufferLength = 00000012 > ?TransferBuffer ? ? ? = 8605a808 > ?TransferBufferMDL ? ?= 84b22bb8 > ? ?00000000: 12 01 00 02 00 00 00 40 a9 04 01 19 01 01 01 02 > ? ?00000010: 00 01 > ?UrbLink ? ? ? ? ? ? ?= 00000000 > ?SetupPacket ? ? ? ? ?= > ? ?00000000: 80 06 00 01 00 00 12 00 > [624 ms] UsbSnoop - FilterDispatchAny(ee651fd2) : > IRP_MJ_INTERNAL_DEVICE_CONTROL > [624 ms] UsbSnoop - FdoHookDispatchInternalIoctl(ee6521ea) : > fdo=86133d08, Irp=849ee720, IRQL=0 > > I will compare this information with that from a working SANE scanner, > my N1240U, and try to learn from the source code for that backend. > Best regards, > Gernot Hassenpflug > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > ? ? ? ? ? ? to sane-devel-request at lists.alioth.debian.org -- "The truth is an offense, but not a sin" -------------- next part -------------- A non-text attachment was scrubbed... Name: spike4.pl Type: application/octet-stream Size: 1680 bytes Desc: not available URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20100224/ca6d740b/attachment.obj>
