On 01/11/2014 15:05, Alan Stern wrote:
On Sat, 1 Nov 2014, Breton M. Saunders wrote:
This is required behavior, for example, during the data phase of a
bulk-only mass-storage transfer. The specification states that under
certain circumstances, the device _must_ send a zero-length packet on
On 31/10/14 14:23, Alan Stern wrote:
On Fri, 31 Oct 2014, Peter Stuge wrote:
Breton M. Saunders wrote:
Are zero length transfers from a device to the PC on a bulk endpoint
sensible?
I don't see how they could be.
If the device has no data to send it responds with a NAK handshake.
I
Hi All,
I want to ask what the correct USB behavior should be for a gadget
attempting to perform a zero byte transfer (note transfer, not
transaction) on a bulk-in endpoint should be:
Background:
* Basically I've got a hacked up kernel; hardware is TI omap dm3730
(an overo gumstix bo
Alan,
Thanks for your advice, I believe I had a stupid coding error. Things
are working now.
Cheers,
-Brett
On 18/07/13 15:13, Alan Stern wrote:
On Thu, 18 Jul 2013, Breton M. Saunders wrote:
All,
I'm running into problems with the gadgetfs usb.c bulk transport
ex
All,
I'm running into problems with the gadgetfs usb.c bulk transport
example, and am looking for some advice as to how to approach this problem.
I am using the source code found at
http://www.linux-usb.org/gadget/usb.c, which I compile for an overo
gumstix board.
Basically, I use a
