Previously vskgopu <u42494@uwe> wrote:
> 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.
What OS?
Arno
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