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 FreeRTOS+POSIX:
 POSIX API for FreeRTOS
 FreeRTOS+FAT:
 Thread aware file system

f_getfreespace()

[FreeRTOS Embedded File System API]

header_file.h 
unsigned char f_getfreespace ( F_SPACE *pxSpace );

Populate a structure with the following information about the embedded FAT file system drive.

  • Total drive space.
  • Free space remaining.
  • Used space.
  • Unusable (bad) size.

Parameters:

pxSpace   A pointer to an F_SPACE structure.

Returns:
F_NO_ERROR   The F_SPACE structure was populated.

Any other value.   The F_SPACE structure was not populated. The returned value holds the error code.

Example usage: 


void vDriveInfo( void )
{
F_SPACE xSpace;
unsigned char ucReturned;

    /* Get space information on current embedded FAT file system drive. */
    ucReturned = f_getfreespace( &xSpace );
    if( ucReturned != F_NO_ERROR )
    {
        /* xSpace.total holds the total drive size, xSpace.free holds the
        free space on the drive, xSpace.used holds the size of the used space
        on the drive, xSpace.bad holds the size of unusable space on the
        drive. */
    }
    else
    {
        /* xSpace could not be completed.  ucReturned holds the error code. */
    }
}
Example use of the f_getfreespace API function


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