this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
14 File System Related Commands
The file system is used to store files in a hierarchical (tree) structure, and there are some definitions and
conventions to use the Module.
Local storage space is mapped to “C:”, and storage space of present storage card is mapped to “D:”. In
both “C:” and “D:” directories, module creates four directories named “Picture”, “Audio”, “Video” and
“VideoCall” automatically; “Picture” is used to store static image when taking picture by camera, “Audio”
is used to store audio file, “Video” is used to store video file when recording by camera, and “VideoCall” is
used to store media file which is recorded during a video call.
NOTE General rules for naming (both directories and files):
1 The length of actual fully qualified names of directories and files can not exceed 245. For
example: the length of “C:/Picture/first_image.jpg (“C:/” should be replaced by “/MultiMedia/” ,
and “D:/” should be replaced by “/mmc1/”) ” don’t exceed 245.
2 Directory and file names can not include the following characters:
\ : * “ < > | , ;
3 Between directory name and file/directory name, use character “/” as list separator, so it can not
appear in directory name or file name.
4 The first character of names must be a letter or a numeral or underline, and the last character can
not be period “.” and oblique “/”.
5 Case sensitive in “C:”, but not case sensitive in “D:” if storage card is present.
14.1 AT+FSCD Select directory as current directory
Description
The command is used to select a directory. The Module supports absolute path and relative path.
Read Command will return current directory without double quotation marks.
SIM PIN
NO
References
Vendor
Syntax
Test Command
AT+FSCD=
Read Command
AT+FSCD
Write Command
AT+FSCD=
Responses
OK
Responses
+FSCD:
OK
Responses
+FSCD:
SIM5218_Serial _ATC_V1.36 274
5/15/2012