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From: Dennis Noordsij <dennis.noordsij@movial.fi>
To: Antti Palosaari <crope@iki.fi>
Cc: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] usb-dvb and endpoints question
Date: Sat, 31 May 2008 18:58:36 +0200	[thread overview]
Message-ID: <484183BC.6060405@movial.fi> (raw)
In-Reply-To: <48415A24.5080305@iki.fi>


> Other thoughts, wMaxPacketSize 0x0040 1x 64 bytes looks rather small for
> TS.

Incidentally, usb-sniff reports the following:

  ConfigurationDescriptor = 0xffb6adf8 (configure)
  ConfigurationDescriptor : bLength             = 9
  ConfigurationDescriptor : bDescriptorType     = 0x00000002
  ConfigurationDescriptor : wTotalLength        = 0x00000020
  ConfigurationDescriptor : bNumInterfaces      = 0x00000001
  ConfigurationDescriptor : bConfigurationValue = 0x00000001
  ConfigurationDescriptor : iConfiguration      = 0x00000000
  ConfigurationDescriptor : bmAttributes        = 0x00000080
  ConfigurationDescriptor : MaxPower            = 0x00000032
  ConfigurationHandle     = 0x811fa720
  Interface[0]: Length            = 56
  Interface[0]: InterfaceNumber   = 0
  Interface[0]: AlternateSetting  = 0
  Interface[0]: Class             = 0x000000ff
  Interface[0]: SubClass          = 0x00000002
  Interface[0]: Protocol          = 0x00000000
  Interface[0]: InterfaceHandle   = 0xffb7efa0
  Interface[0]: NumberOfPipes     = 2
  Interface[0]: Pipes[0] : MaximumPacketSize = 0x00000040
  Interface[0]: Pipes[0] : EndpointAddress   = 0x00000081
  Interface[0]: Pipes[0] : Interval          = 0x00000000
  Interface[0]: Pipes[0] : PipeType          = 0x00000002 (UsbdPipeTypeBulk)
  Interface[0]: Pipes[0] : PipeHandle        = 0xffb7efbc
  Interface[0]: Pipes[0] : MaxTransferSize   = 0x00010000
  Interface[0]: Pipes[0] : PipeFlags         = 0x00000000
  Interface[0]: Pipes[1] : MaximumPacketSize = 0x00000040
  Interface[0]: Pipes[1] : EndpointAddress   = 0x00000002
  Interface[0]: Pipes[1] : Interval          = 0x00000000
  Interface[0]: Pipes[1] : PipeType          = 0x00000002 (UsbdPipeTypeBulk)
  Interface[0]: Pipes[1] : PipeHandle        = 0xffb7efdc
  Interface[0]: Pipes[1] : MaxTransferSize   = 0x00010000  <<<<<<<<
  Interface[0]: Pipes[1] : PipeFlags         = 0x00000000

which makes more sense ?



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  parent reply	other threads:[~2008-05-31 16:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-31 13:12 [linux-dvb] usb-dvb and endpoints question Dennis Noordsij
2008-05-31 14:01 ` Antti Palosaari
2008-05-31 14:32   ` Dennis Noordsij
2008-05-31 16:58   ` Dennis Noordsij [this message]
2008-05-31 17:03     ` Dennis Noordsij

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