| Sector cache | |
| CTL_MS_DIRENTS_PER_SECTOR | There are 16 directory entries per sector. |
| CTL_MS_SECTOR_BUFFER_t | Representation of one 512-byte sector |
| CTL_MS_SECTOR_SIZE | There are 512 bytes per sector. We do not support media with |
| ctl_ms_borrow_sector_cache_memory | Borrow memory from sector cache |
| ctl_ms_flush_sector_cache | Write sector cache to media |
| ctl_ms_print_sector_cache | Print the contents of the sector cache |
| ctl_ms_purge_sector_cache | Purge all data from the sector cache |
| ctl_ms_return_sector_cache_memory | Return borrowed memory to sector cache |
| Errors | |
| CTL_MS_ERROR_t | Mass Storage library errors |
| File functions | |
| ctl_ms_close_file | Close an open file |
| ctl_ms_create_file | Create a file on a volume |
| ctl_ms_feof | End-of-file predicate |
| ctl_ms_flush_file | Flush all unwritten data |
| ctl_ms_fputc | Write a character to a file |
| ctl_ms_ftell | Read current file position |
| ctl_ms_get_attributes | Get the attributes of a file |
| ctl_ms_open_file | Open a file for reading or writing |
| ctl_ms_open_file_relative | Open a file for reading or writing in a folder |
| ctl_ms_read_block | Read a fixed-size block from a file |
| ctl_ms_read_char | Read a single character from a file |
| ctl_ms_read_string | Read a string from a file |
| ctl_ms_set_attributes | Set the attributes of a file |
| ctl_ms_write_block | Write a fixed-size block to a file |
| ctl_ms_write_string | Write a string to a file |
| Folder functions | |
| ctl_ms_change_current_folder | Change the working folder |
| ctl_ms_create_folder | Create a folder |
| ctl_ms_get_file_length | Get the length of a file |
| ctl_ms_remove_folder | Remove a folder |
| ctl_ms_rename_file | Rename a file |
| ctl_ms_set_file_length | Set the length of a file |
| Volume functions | |
| ctl_ms_get_volume_label | Get the volume label of a volume |
| ctl_ms_mount_volume | Mount a super-floppy or the default partition |
| ctl_ms_mount_volume_at_sector | Mount a volume or partition |
| ctl_ms_remove_file | Remove a file from a volume |
| ctl_ms_set_volume_label | Set the volume label of a volume |
| ctl_ms_unmount_volume | Unmount a volume |
| ctl_ms_unused_clusters | Calculate the number of unused clusters on a volume |
| Utility functions | |
| ctl_ms_decode_access_time | Read file last-access time from directory entry |
| ctl_ms_decode_attributes | Read attributes from directory entry |
| ctl_ms_decode_create_time | Read file creation time from directory entry |
| ctl_ms_decode_file_size | Read file size from directory entry |
| ctl_ms_decode_modify_time | Read file modification time from directory entry |
| ctl_ms_dos_to_timeval | Convert DOS time to timeval |
| ctl_ms_is_folder | |
| ctl_ms_read_sector | Read a sector direct from media |
| ctl_ms_timeval_to_dos | Convert timeval to DOS time |
| SD and MMC functions | |
| ctl_ms_read_cid | Read the card ID from media |
| ctl_ms_read_csd | Read the card-specific data from media |
| ctl_ms_read_scr | Read the SD Configuration Register from media |
| *** UNASSIGNED GROUP *** | |
| ctl_ms_sense_total_sectors | Determine total number of sectors a volume holds |
| Status functions | |
| ctl_ms_read_dirent | Get information on file or directory |
| Global functions | |
| ctl_ms_register_error_decoder | Register mass storage error decoder with runtime |
| Utility | |
| ctl_ms_update_working_directory | Change working directory |