Motorola USB08 Especificações descarregar pdf (Página 202)

Designer Reference Manual USB08 Evaluation Board

202 Universal USB Device Driver (USBIO) MOTOROLA

Universal USB Device Driver (USBIO)

USBIO_PIPE_CONFIGURATION_INFO

The USBIO_PIPE_CONFIGURATION_INFO structure provides

information about a pipe.

Definition typedef struct _USBIO_PIPE_CONFIGURATION_INFO{

USBIO_PIPE_TYPE PipeType;

ULONG MaximumTransferSize;

USHORT MaximumPacketSize;

UCHAR EndpointAddress;

UCHAR Interval;

UCHAR InterfaceNumber;

UCHAR reserved1;

UCHAR reserved2;

UCHAR reserved3;

} USBIO_PIPE_CONFIGURATION_INFO;

Members PipeType

Specifies the type of the pipe. The values are defined by the

enumeration type USBIO_PIPE_TYPE (page 214).

MaximumTransferSize

Specifies the maximum size, in bytes, of data transfers the USBD

supports on this pipe. This is the maximum size of buffers that can be

used with read or write operations on this pipe.

MaximumPacketSize

Specifies the maximum packet size of USB data transfers the

endpoint is capable of sending or receiving as reported by the device

in the corresponding endpoint descriptor. Refer to the Universal Serial

Bus Specification 1.1, Chapter 9 for more information.

EendpointAddress

Specifies the address of the endpoint on the USB device as reported

in the corresponding endpoint descriptor.

The endpoint address includes the direction flag at bit position 7

(MSB)

Bit 7 = 0: OUT endpoint

Bit 7 = 1: IN endpoint

Refer to the Universal Serial Bus Specification 1.1, Chapter 9 for more

information.

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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