That does make sense to me since I had issues where before I changed the usb header, the host was sometimes merging multiple req_ctx into a single usb read.
I am attaching a tar.gz file containing all my changes as separate git commits / format-patches and hopefully it will get committed to the repository. This includes the latest change to the usb header as well as a change (as Peter suggested) to the bDeviceProtocol in usb_descriptors_openpcd.h, setting the new value to 0. Best Regards On Thu, Jan 30, 2014 at 6:21 AM, Dean Chester <[email protected]>wrote: > It was mostly the lost bytes/scrambled data with a variety of handsets > that i'd tested with, compared with ubuntu running natively. > > Dean > > > On 27 January 2014 18:37, Min Xu <[email protected]> wrote: > >> P.S. What problems were you experiencing of it running in a virtualized >> system, can you elaborate? >> >> Thanks >> >> >> On Mon, Jan 27, 2014 at 8:36 AM, Min Xu <[email protected]> wrote: >> >>> I am contributing it to the project. Once I incorporate Peter Stuge's >>> suggestion, hopefully within the next few weeks I will submit another >>> commit. >>> >>> Best Regards >>> >>> >>> On Mon, Jan 27, 2014 at 1:05 AM, Dean Chester >>> <[email protected]>wrote: >>> >>>> Thanks Min it works a treat it also fixes the issues running in a >>>> virtualised environment which I do for Ubuntu. >>>> >>>> Is your new firmware under the same licence as the original? >>>> >>>> Kind Regards, >>>> >>>> Dean Chester >>>> >>>> >>>> On 24 January 2014 21:55, Peter Stuge <[email protected]> wrote: >>>> >>>>> Min Xu wrote: >>>>> > I would be happy to send them the USB protocol changes. However, >>>>> > it will be INCOMPATIBLE with earlier firmware based SIMTrace boards. >>>>> >>>>> There is a standardised way to deal with protocol changes in USB; >>>>> change either the bDeviceProtocol field in the device descriptor or >>>>> the bInterfaceProtocol field in the interface descriptor, and make >>>>> host software do the appropriate thing based on the descriptors of >>>>> the connected device. >>>>> >>>>> Of course only new host software will work with the new protocol, but >>>>> this way new host software still continues to work with the old >>>>> protocol. >>>>> >>>>> >>>>> //Peter >>>>> >>>>> >>>> >>> >> >
simtrace.gitpatch.tgz
Description: GNU Zip compressed data
