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USB superspeed peripherals Forum Discussions

LK
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Is there CYUSB3.sys version for Windows 11?

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Biren
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Hello,

Please check this Thread replay - Link

Best Regards,
Biren

View solution in original post

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Biren
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Hello,

Can you share the application use case and transfer rate? are you using bulk transfer? 

Best Regards,
Biren

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LK
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Hello Biren,

  1. Use case - need driver signed for Windows 11 with custom .inf
  2. Bulk transfer
  3. Hi-Speed
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Biren
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Hello,

Please check this Thread replay - Link

Best Regards,
Biren

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LK
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The version referenced in the thread - Link is 1.3.0.2.
Is it built with /CECOMPAT compiler option?
I need release notes to be able to include it in production build.
What FX3 SDK does include it?

Thanks,
Leonid


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Biren
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Hello Leonid,

it is not built with CECOMPAT option.
This version of the driver is not released with SDK, so we don't have a release note for this now.

Best Regards,
Biren

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LK
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Hi Biren,

Thank you for clarification.

HLK hardware-enforced stack protection test is asking weather:

  1. Driver is compatible with HSP (no return address hijacking)
  2. Driver has been compiled with /CECOMPAT flag

Type "Y" if above is true, or "N" if the above is FALSE.

Will it affect Windows 11 driver signing?

Thanks,
Leonid

 

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Biren
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Hello Leonid,

It is compatible please try the testing and let us know if you get any challenges.

Best Regards,

Biren

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LK
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Hello Biren,

When I'm running our application with CyUSB3.sys version 1.3.0.2,  our device continuously disappears and comes back in Device manager.

It works fine with version 1.2.3.20 that is currently available with EZ-USB FX3 SDK. Is there any difference in API between these two versions?

Thanks,
Leonid

 

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Meghavi
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Hi Leonid,

Can you please let us know which firmware you are using? 

Regards,

Meghavi

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LK
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Hi Meghavi,

Firmware is proprietary one and in use for 6 years.

USB 2.0 bulk.

Thanks,

Leonid

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Meghavi
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Hi Leonid,

We have tested a default bulkloop example with cyusb3kit-003 kit  using the latest driver 1.3.0.2v. It is working fine on windows 11 pc. Can you please share the USB traces with us?

Regards,

Meghavi

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