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If I want to only use high speed USB 2.0 with the FX3, can I just add the descriptors for USB 2.0 and leave the USB 3.0 ones out? Will that then enable the device to only work at USB 2.0? I only intend to use the device in a USB 2.0 port, but if I did put it into a USB 3.0 port I would want it to run at USB 2.0.
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Hi,
You have to disable SS in CyU3PConnectState call.
br,
kalev
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Hi,
Please change the parameters of the following function in your ApplnInit function:
apiRetStatus = CyU3PConnectState(CyTrue, CyFalse);
Thanks,
sai krishna.
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I call the apiRetStatus = CyU3PConnectState(CyTrue, CyFalse); and I do connect in Hi Speed mode. I also deleted the superspeed descriptors and their registration with CyU3PSetDesc(...). Under windows 7, I get the notification that "This device can perform faster if you connect it to a USB 3.0 port." How do you enumerate such that the driver considers you USB 2.0 only as your maximum capability?
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Please refer the below knowledge base article.
Prevent “This device can perform faster” Pop-up – KBA220436
It shall help you.
Thanks & Regards,
Shanthakumar