On Thu Feb  5 03:29:11 PST 2015, st...@quintile.net wrote:
> I am trying to use some micro sd cards with plan9.
> Thse are kingston SDC4/4Gbsp cards (4Gb) for embedded stuff.
> 
> usbfat: won't recognise them and usb/disk with debug on grumbles
> 
>       8.out: startdevs: opening #0 /dev/usb/ep7.0
>       8.out: opendev 0x4b618 /dev/usb/ep7.0
>       8.out: /dev/usb/ep7.0: warning: device with short descriptor
>       8.out: /dev/usb/ep7.0: no configurations
>       8.out: /dev/usb/ep7.0 csp none.0.0 vid 0x14cd did 0x1212 refs 1
>               Generic Mass Storage Device 121220130416
>       disk: ep ids: in -1 out -1
>       8.out: closedev 0x4b618 /dev/usb/ep7.0
>       8.out: devmain: disk: endpoints not found
>       8.out: no unhandled devices found
> 
> 
> The type of the card (ep->type) is 0 (Control) rather than 2 (Bulk) by I don't
> know how this can happen. Windows is happy so the cards are not sick.
> 
> anyone any ideas?

i did a lot of work a few months ago to take more care with usb
descriptors.  you might try the 9atom version.  contact me off list for
additional info if there are issues.

- erik

Reply via email to