mcuee

So I take out BOS and MSOS descriptor fetching and the result is the same. ``` C:\work\libusb\libusb\x64\Release\examples [master ↑5 +4 ~1 -0 !]> .\xusb_nobos_nomsos.exe 0403:6001 Using libusb v1.0.24.11670 Opening device...

This may not be a libusb problem though. It could be a problem with the filter driver. But the subsequent test shows it has something to do with libusb as...

I build libftdi under Windows since 2010. https://sourceforge.net/projects/picusb/files/ https://github.com/mcuee/libftdi/releases libftdi-0.20git was the last version I built back in 2012 and it uses libusb-win32 API. After that, libftdi switched to use...

No issues with the device driver mode, using libusb0.sys 1.2.6.0 and libusbk.dll 3.1.0.0 and libusb-1.0.dll patched version with #1016 and #1018. ``` C:\work\libusb\libftdi_bin\libftdi_snapshot_bin\bin> .\find_all.exe Number of FTDI devices found: 1...

Can you try the following on top of 1.0.26 release? We do not support AOSP version -- you have to ask Google. * #874

@Nithu7 You should try 1.0.26 and git head to check if there are still issues or not. If you still have issues with the git head, then you can create...

> Hi @mcuee > > Got it, Previosly I forget to mention about latest version status, the issue still reproduced with v1.0.26 as well. > > v1.0.21 & v1.022 -...

@Nithu7 I will suggest that you create a pull requests so that others can review. Thanks. I do not know much about Android myself. And indeed that commits may have...

Glad to see you are moving to libusb-1.0 from libusb-0.1. There are two more different backend to try for isoc transfer. Please try libusbk.sys driver first to see if that...

Another reference and potential improvement for WinUSB. Issue: https://github.com/libusb/libusb/issues/747 Pull request: https://github.com/libusb/libusb/issues/759