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Altera_Forum's avatar
Altera_Forum
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12 years ago

USB port unexpected disabled for Altera Cyclone V

Hello experts, I am a USB driver developer. I have met a strange thing when I developing USB controller driver for Altera Cyclone V. Can anybody help me? Sometimes when start a USB DM...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Does it always fail or is it periodically failing? If it's always failing it could be due to the reset sequence not being followed.

If you file the service request that I mentioned in your other post I can provide you with some additional information that should make your driver development a lot easier.