PMSDIOFifo Struct Reference [Usbd_msd]

FIFO buffer for READ/WRITE (disk) operation of a mass storage device. More...

#include <D:/git/git_canopus_1/softpack/samv7/toolkits/mdk_v71/ARM/examples/Atmel/SAMV71_Xplained_Ultra/libraries/libusb/include/MSDIOFifo.h>

Data Fields
unsigned char *	pBuffer
unsigned int	bufferSize
unsigned int	inputNdx
unsigned int	inputTotal
unsigned int	outputNdx
unsigned int	outputTotal
unsigned int	dataTotal
unsigned int	blockSize
unsigned int	chunkSize
unsigned char	inputState
unsigned char	outputState
unsigned short	nullCnt
unsigned short	fullCnt

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Detailed Description

FIFO buffer for READ/WRITE (disk) operation of a mass storage device.

Definition at line 78 of file MSDIOFifo.h.

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Field Documentation

unsigned int PMSDIOFifo::blockSize

The size of the block in bytes

Definition at line 100 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::bufferSize

The size of the buffer allocated

Definition at line 83 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::chunkSize

The size of one chunk (1 block, or several blocks for large amount data R/W)

Definition at line 104 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::dataTotal

The total size of the data

Definition at line 98 of file MSDIOFifo.h.

unsigned short PMSDIOFifo::fullCnt

Times when fifo can not load more input data

Definition at line 115 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::inputNdx

The index of input data (loaded to fifo buffer)

Definition at line 89 of file MSDIOFifo.h.

unsigned char PMSDIOFifo::inputState

State of input & output

Definition at line 107 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::inputTotal

The total size of the loaded data

Definition at line 91 of file MSDIOFifo.h.

unsigned short PMSDIOFifo::nullCnt

Times when fifo has no data to send

Definition at line 113 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::outputNdx

The index of output data (sent from the fifo buffer)

Definition at line 93 of file MSDIOFifo.h.

unsigned int PMSDIOFifo::outputTotal

The total size of the output data

Definition at line 95 of file MSDIOFifo.h.

unsigned char* PMSDIOFifo::pBuffer

Pointer to the ring buffer allocated for read/write

Definition at line 81 of file MSDIOFifo.h.

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The documentation for this struct was generated from the following file:

• libraries/libusb/include/MSDIOFifo.h