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Altera_Forum's avatar
Altera_Forum
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22 years ago

NIOS-II and USB

Hi all, I am having a lot of problems getting started with developing for the USB controller on the Microtronix Cyclone Development Board. The USB controller is a Cypress SL811HS, but how ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
22 years ago

Tadaaa...

Perhaps there's a typo somewhere, or perhaps I didn't read carefully enough

Slave Mode both speeds:

J3 = Open

J4 = Open

Full Speed:

J5 = Open

J6 = Closed

Low Speed

J5 = Closed

J6 = Open

I deduce the Fullspeed/Lowspeed by the presense of Low Speed Keep Alive Packets in the Stream.

Now all I need to figure out is how to get the USB interrupts. I do this:

alt_irq_enable_all(USB_IRQ);

alt_irq_register (USB_IRQ, NULL, handle_USB_interrupts);

Is that all I need, or... http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/wink.gif

best Regards

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