SanDisk CompactFlash 5000 Manual de Instruções descarregar pdf (Página 8)

Publication LOGIX-AP007B-EN-P - January 2007

8 CompactFlash Card Enhancements Overview

Sample File Compatibility

This document is compatible with the sample projects, version 3.2, dated

January 2007.

• CF_Read_Write_V3_2.ACD

• CF_Read_Write_V3_2_Example.ACD

CompactFlash File System

Features

The file system has the ability to perform a variety of operations to read or

write data to the CompactFlash card. The following are the basic operations:

• Create a file

• Write to a file

• Read from a file

• Delete a file

There is an additional command, verification if a CompactFlash card is

present, but as a user you will not access this, this runs as a background check.

For each of the basic operations of the file system, there are related

functionality.

• Open a file

• Close a file

• Set the file pointer

• Calculate file checksums

• Verify file checksums

• Data parsing

• Error handling

The application code is set up to handle a file up to 4500 bytes in size.

For more information on how to increase file size, refer to Appendix D,

Expand the Code to Support More than 4500 Bytes of Data.

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SanDisk CompactFlash 5000 Manual de Instruções Página 8