Quality RTOS & Embedded Software

LIBRARIES
WHAT'S NEW
Featured FreeRTOS IoT Integrations:
Introducing three featured integrations for more secure IoT applications. See the blog post.
Extended Maintenance Plan (EMP):
Announcing the EMP for FreeRTOS, provided by AWS. See the blog post.
Delta Over-the-Air Updates:
Announcing Delta OTA updates. See the blog post.
December 2021 Releases:
Include MCUBoot demo and a new FreeRTOS download. See the blog post.
FreeRTOS LTS libraries:
The LTS libraries are now included in our partner toolchains. See the blog post.

f_close()

[FreeRTOS Embedded File System API]

header_file.h 
unsigned char f_close( F_FILE *pxFileHandle );

Closes a file in the embedded FAT file system that was previously opened using a call to f_open().

Parameters:

Returns:
pxFileHandle   The handle of the file being closed. The file handle is returned from the call to f_open() used to originally open the file.

F_NO_ERROR   The file was closed.

Any other value   The file could not be closed. The return value holds the error code.

See also

f_read(), f_write(), f_open().

Example usage: 



void vSampleFunction( void )

{

F_FILE *pxFile;

char c;



    /* Open a file called afile.bin. */

    pxFile = f_open( "afile.bin", "r" );

    if( pxFile != NULL )

    {

        /*

         * Access the file here using f_read().

         */



        /* Close the file when all acceses are complete. */

        f_close( pxFile );

    }

}




Example use of the f_close() API function
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