Function Overview

The following list provides a brief overview of all File System Component functions.

• Standard I/O Routines
  • fclose : Causes stream flush.
  • fflush : Enforces a write operation to a data stream.
  • fopen : Opens a file for reading or writing.
  • freopen : Reopens a file for reading or writing.
  • setbuf : Sets stream buffer.
  • setvbuf : Sets stream buffer.
  • fprintf : Writes a string to a data stream.
  • fscanf : Reads values from a data stream.
  • vfscanf : Reads data from the stream.
  • vfprintf : Writes a string to a data stream.
  • fgetc : Reads a single character from a data steam.
  • fgets : Reads a string from a data steam.
  • fputc : Writes a character to a data stream.
  • fputs : Writes a string to a data stream.
  • getc : Reads a single character from a data steam.
  • putc : Writes a character to a data stream.
  • ungetc : Stores a character back into the data stream.
  • fread : Reads a number of items with a given size from a data stream.
  • fwrite : Writes items from a buffer to a data stream.
  • fgetpos : Stores the current value of the file position indicator.
  • fseek : Positions the file cursor to a new location.
  • fsetpos : Sets the file position indicator.
  • ftell : Reads the file cursor position.
  • rewind : Rewinds positions of the file cursor to the beginning of a data stream.
  • clearerr : Clears the end-of-file and error indicators.
  • feof : Determines whether an end-of-file condition has occurred.
  • ferror : Tests a data stream for read or write errors.
• System Routines
  • finit : Initializes the required software library resources.
  • funinit : Uninitializes the File System.
  • fmount : Mounts the File System of a specified drive.
  • funmount : Unmounts a File System volume.
• File Maintenance Routines
  • fdelete : Deletes one or more files.
  • ffind : Searches for files or directories that match a specific pattern.
  • frename : Replaces the name of a file or directory.
  • fattrib : Changes file or directory attributes.
• Directory Maintenance Routines
  • fpwd : Prints the current working directory.
  • fchdir : Changes the current working directory.
  • fmkdir : Creates a new directory or any intermediate directories in the path.
  • frmdir : Removes a directory if it is empty.
• Utility Routines
  • fchdrive : Changes the "Current Drive".
  • ffree : Calculates the free space on a device.
  • fformat : Formats an EFS or FAT storage media for using a file system.
  • fanalyse : Examines the Embedded File System and checks for file fragmentation.
  • fcheck : Analyses the consistency of the Embedded File System and determines if it has been initialized.
  • fdefrag : De-fragments the Embedded File System.
  • fmedia : Detects the presence of a removable drive in the system.
  • finfo : Reads general drive information.
  • fvol : Reads the volume label.
• File Time Support Routines
  • fs_get_time : Returns a time value.
• Media Support Routines
  • fs_mc_read_cd : Returns memory card detection state.
  • fs_mc_read_wp : Returns memory card write protection state.
  • fs_mc_spi_control_ss : Controls the Slave Select (SS) signal state.
  • fs_mc_lock_unlock : Returns the media lock/unlock information structure.
• I/O Control Interface Routines
  • fs_ioc_get_id : Returns the drive identifier associated with the specified drive letter.
  • fs_ioc_lock : Locks a drive.
  • fs_ioc_unlock : Unlocks a drive and releases media access to the file system layer.
  • fs_ioc_get_cache : Gains information about the file system cache buffer location and its size.
  • fs_ioc_read_sector : Reads data from one or more sectors of FAT formatted media.
  • fs_ioc_write_sector : Writes data to one or more sectors of FAT formatted media.
  • fs_ioc_read_info : Reads the media configuration.
  • fs_ioc_device_ctrl : Sends control codes directly to the device driver.