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Using Usb Boot Loader (UBL) with windows 8

nir eng
Prodigy 210 points
Other Parts Discussed in Thread: CC2540

Hi,

I am using the UBL  with the Host Test Release example (cc2540)  with windows 8 (both 8.0 and 8.1) and I get very unstable behavior. For example, a lot of disconnecting and reconnecting of the USB when running as a Mass Storage Device.

When I tried this on windows 7, I haven't seen any problems.

Is there any known issues when trying to use the UBL with windows 8?

Thanks,

Nir.

  • 0
    Prodigy 50 points

    Hi Nir,

    I have the exact same problem using the same configuration as you (USB Dongle flashed with HostTest Release.hex) .

    The dongle keeps disconnecting and reconnecting on windows 8.

    My main guess as to why the dongle behaves like that is the following :


     Once flashed with the bootloader, the dongle will only be able to hold a single .bin file, transferring any other kind of file forces the restart and reconnection process.  Meaning that if Windows 8 tries to write anything one the freshly mounted mass storage, it triggers the erasing/reconnecting process thus creating the infinite loop of reboot we can witness.

    I have found on another post from a TI employee that they are currently trying to improve the windows 8 support...

    Thanks for letting me know I'm not alone in this situation.

    Lucas.

  • 0 in reply to Lucas Lacoste
    Prodigy 210 points

    Hi Lucas,

    thanks for your response.

    The post you found from TI employee that they are working on improving their support is probably also an answer to  another question I asked :)

    Seems likes , as for now, it's really not possible to use the MSD option.