Re: USB host controller BULK Transfer problem.

Better still, there is also http://www.usb.org/home , the USB industry
consortium. The OP might also peruse the Source Forge open source projects and
their source files for some code to use, searching for USB, of course... Ben
Myers

On Fri, 28 Mar 2008 11:12:13 GMT, "Tom Scales" <> wrote:

>
>
>> -----Original Message-----
>> From: vskgopu [mailto:u42494@uwe]
>> Posted At: Thursday, March 27, 2008 11:02 PM
>> Posted To: alt.sys.pc-clone.dell
>> Conversation: USB host controller BULK Transfer problem.
>> Subject: USB host controller BULK Transfer problem.
>>
>> Hi all,
>>
>> I am gopu, new to this group. I am trying to write driver code
>> for usb
>> host controller 1.1 . I hv done enumeration successfully. Now i am
>> trying
>> to send a REQUEST_SENSE SCSI command. I am able to send the CBW but I
>> am not
>> able get the reply and CSW. Host controller is not processing the in-
>> endpoint
>> to get the data and status. Plz help me.
>>
>> I declared two endpoints and configure ep1 for BULK-OUT and ep2 for
>> BULK-IN.
>> I assigned BULK-OUT as head pionter in the BULK HEAD Register and
>> pointed
>> the next of ep1 to ep2.
>> Now Host controller is processing my ep1 but not my ep2. If i confugre
>> ep2
>> for an invalid endpoint address, i get DEVICE NOT RESPONDING error but
>> for
>> the proper address host controller is not processing it. Am i missing
>> anything ? Plz help me.
>>
>>
>> Thanks in advance,
>> Gopu.S
>
>I think you're in the wrong group. This group discusses Dell computers,
>not programming. You might try a programming group for the language you're
>using.