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USB Controller

ui32Endpoint is the endpoint to access.

ui32Flags are the status bits that should be cleared.

Description:

This function will clear the status of any bits that are passed in the ui32Flags parameter. The

ui32Flags parameter can take the value returned from the ROM_USBEndpointStatus() call.

Note:

This function should only be called in host mode.

Returns:

None.

24.3.1.33 ROM_USBHostHubAddrGet

Get the current device hub address for this endpoint.

Prototype:

uint32_t

ROM_USBHostHubAddrGet(uint32_t ui32Base,

uint32_t ui32Endpoint,

uint32_t ui32Flags)

ROM Location:

ROM_APITABLE is an array of pointers located at 0x0100.0010.

ROM_USBTABLE is an array of pointers located at ROM_APITABLE[16].

ROM_USBHostHubAddrGet is a function pointer located at ROM_USBTABLE[26].

Parameters:

ui32Base speciﬁes the USB module base address.

ui32Endpoint is the endpoint to access.

ui32Flags determines if this is an IN or an OUT endpoint.

Description:

This function will return the current hub address that an endpoint is using to communicate with

a device. The ui32Flags parameter determines if the device address for the IN or OUT endpoint

is returned.

Note:

This function should only be called in host mode.

Returns:

This function returns the current hub address being used by an endpoint.

24.3.1.34 ROM_USBHostHubAddrSet

Set the hub address for the device that is connected to an endpoint.

Prototype:

void

ROM_USBHostHubAddrSet(uint32_t ui32Base,

April 8, 2013 325

Texas Instruments Tiva TM4C123GH6PM User Manual

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