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OHCI controller for full speed usb host #41

@s-bruce13

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@s-bruce13

Hello,
I'm trying to get the example available running at full speed instead of high-speed. The example is the usbx_host_hid_keyboard for the LPC5528.
The keyboard enumerates correctly, but it doesn't respond to any key inputs. The only changes I saw were necessary in board_setup.c/.h which sets up the appropriate USB0, clocks, and interrupts.

I added the ohci drivers in the project. However when calling _ux_host_class_hid_keyboard_key_get, I do not get any information.

Are there any other changes required for full-speed to work?

I'd like to add that these changes are fine, for host_mass_storage example. I can switch between high speed and full speed without a problem.

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