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USB communication in am335x starter kit

Hi,

I gone through the usblib  given for am335 starter kit.

 hw_usb is the one of the file in the given  usblib. In this file they

defined like below...

 

#define USB_O_FADDR 0x00000000 // USB Device Functional Address

#define USB_O_POWER 0x00000001 // USB Power

#define USB_O_TXIS 0x00000002 // USB Transmit Interrupt Status

#define USB_O_RXIS 0x00000004 // USB Receive Interrupt Status

#define USB_O_TXIE 0x00000006 // USB Transmit Interrupt Enable

#define USB_O_RXIE 0x00000008 // USB Receive Interrupt Enable

#define USB_O_IS 0x0000000A // USB General Interrupt Status

#define USB_O_IE 0x0000000B // USB Interrupt Enable

But  these register details are not given the AM335x arm cortex-a8 technical reference manul.

i have the knowledge(understood) of USB communication in ATMEL91SAM7SE512.

i want to configure USB as device in am335x.But i really confused about the usb communication in am335x. please give me the proper steps or docs

to understand these .....

 

thanks in advance

shanmugam.s