CATC USB Chief Bus & Protocol Analyzer. With this equipment, i catch the 0 length packet when the host is ubuntu.
2009/8/29 Tejas <tejas.path...@gmail.com>: > > Not sure. What usb analyzer are you using ? > > On Aug 27, 11:37 pm, Kyo Yin <kyo....@gmail.com> wrote: >> "old framework of adb in target" ===> means i don`t use the composite >> driver in target if the host is ubuntu.you know, before composite >> gadget driver, the adb is a single gadget driver(kernel 2.6.25). >> kernel 2.6.29 add a composite gadget driver, mass storage and adb are >> the functions of this composite gadget driver. >> >> " Are you saying that the usb transfer seen when using windows is same >> as linux, except the 0 length packet ?"===> yse, in ubuntu, host will >> send 0 length packet after a packet which size is 4096 or the multiple >> of 64 and our usb protocol analyzer can catch this 0 length packet. In >> windows, our analyzer cannot catch this 0 length packet. But i have >> checked the usb_windows.c, it will send a 0 length packet.So i guess >> the usb driver in windows block this 0 length packet? >> >> 2009/8/28 Tejas <tejas.path...@gmail.com> >> >> >> >> >> >> > I am assuming you meant 4096 bytes.. What do you mean by.. "BTW, For >> > linux host, i use old framework of adb in target" ? Are you saying >> > that the usb transfer seen when using windows is same as linux, except >> > the 0 length packet ? >> >> > On Aug 27, 12:21 am, Kyo Yin <kyo....@gmail.com> wrote: >> > > thank you for help.i have built the adb.exe >> >> > > and i have a question: >> > > In my opinion, adb will send a 0 length packet after a packet if thie >> > > packet >> > > length is multiple of the max length of endpoint. >> > > For example, our endpoint is 64 bytes. So after every 4096 packets, >> > > adb.exe >> > > should send a 0 length packet. >> >> > > I found the adb.exe has already try to send a 0 length packet.but >> > > 1.in linux host, our usb analyzer can catch the 0 length packet. >> > > 2.in windows host, our usb analyzer can not catch this 0 length packet. >> >> > > Did the widows driver block this 0 length packet? >> >> > > BTW, For linux host, i use old framework of adb in target, The composite >> > > driver can not run in ubuntu 8.04. >> > > For windows host, i use composite driver which has mass storage and adb >> > > in >> > > target. >> >> > > 2009/8/19 Roman ( T-Mobile USA) <roman.baumgaert...@t-mobile.com> >> >> > > > For being able to compile an exe file on Ubuntu you would have to >> > > > cross compile on Ubuntu which means you have to have a Windows cross >> > > > compiler on it. Do you? >> >> > > > If not then install Cygwin on your windows environment and try it >> > > > again. Make sure that you read the related topics about Android/Cygwin >> > > > compilation to be aware of any possible provlems. >> >> > > > -- >> > > > Roman Baumgaertner >> > > > Sr. SW Engineer-OSDC >> > > > ·T· · ·Mobile· stick together >> > > > The views, opinions and statements in this email are those of the >> > > > author solely in their individual capacity, and do not necessarily >> > > > represent those of T-Mobile USA, Inc. >> >> > > > On Aug 18, 9:38 pm, Kyo Yin <kyo....@gmail.com> wrote: >> > > > > hi roman 1.How do you try to compile? >> > > > > i just use "make HOST_OS=windows" in ubuntu. >> > > > > 2.Are you doing this on Cygwin? >> > > > > no.i use ubuntu. >> >> > > > > do you mean i should use cygwin to build adb.exe for windows? >> >> > > > > kyo >> > > > > 3273 >> >> > > > > 2009/8/19 Roman ( T-Mobile USA) <roman.baumgaert...@t-mobile.com> >> >> > > > > > How do you try to compile? Are you doing this on Cygwin? >> >> > > > > > -- >> > > > > > Roman Baumgaertner >> > > > > > Sr. SW Engineer-OSDC >> > > > > > ·T· · ·Mobile· stick together >> > > > > > The views, opinions and statements in this email are those of the >> > > > > > author solely in their individual capacity, and do not necessarily >> > > > > > represent those of T-Mobile USA, Inc. >> >> > > > > > On Aug 18, 5:41 am, Kyo <kyo....@gmail.com> wrote: >> > > > > > > hi,everyone. >> > > > > > > i want to modify the usb_windows.c in /system/core/adb and >> > > > > > > recompile a new adb.exe to test our platform. >> > > > > > > but, when i use "make HOST_OS=windows", it failed. >> > > > > > > i use ubuntu 8.04 and i can build with "make HOST_OS=linux". >> > > > > > > does anyone know how to build my adb.exe? >> >> > > > > > > thanks >> >> > > > > > > kyo > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
