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SARA-R4/N4 series - AT Commands Manual
UBX-17003787 - R09
16 File System
Page 173 of 307
Parameter
Type
Description
<size>
Number
File size expressed in bytes. For file system file name and data size limits see
.
<tag>
String
Optional parameter that specifies the application file type.
table lists the
allowed <tag> strings.
<text>
String
Stream of bytes.
16.2.4 Notes
• Issue the
command to retrieve the available user space in the file system.
• Two files with different types can have the same name, i.e. AT+UDWNFILE="testfile",20,"USER" and AT
+UDWNFILE="testfile",43,"AUDIO".
16.3 List files inforULSTFILE
+ULSTFILE
SARA-R404M SARA-R410M-01B SARA-R410M-02B SARA-R410M-52B SARA-R412M
Modules
SARA-N4
Syntax
PIN required
Settings saved Can be aborted
Response time Error reference
Attributes
partial
No
No
No
-
16.3.1 Description
Retrieves some information about the FS. Depending on the specified <op_code>, it can print:
• List of files stored into the FS
• Remaining free FS space expressed in bytes
• Size of the specified file expressed in bytes
The available free space on FS in bytes reported by the command AT+ULSTFILE=1 is the theoretical free
space including the space occupied by the hidden and temporary files which are not displayed by the AT
+ULSTFILE=0.
16.3.2 Syntax
Type
Syntax
Response
Example
Generic syntax
Set
AT+ULSTFILE[=<op_code>[,
<param1>[,<param2>]]]
+ULSTFILE: [<param3>,...[,
<paramN>]]
OK
AT+ULSTFILE=1
+ULSTFILE: 236800
OK
List of files stored into the FS
Set
AT+ULSTFILE[=0[,<tag>]]
+ULSTFILE: [<filename1>[,
<filename2>[,...[,<filenameN>]]]]
OK
AT+ULSTFILE=
+ULSTFILE: "filename"
OK
Remaining free FS space expressed in bytes
Set
AT+ULSTFILE=1[,<tag>]
+ULSTFILE: <free_fs_space>
OK
AT+ULSTFILE=1
+ULSTFILE: 236800
OK
Size of the specified file
Set
AT+ULSTFILE=2,<filename>[,
<tag>]
+ULSTFILE: <file_size>
OK
AT+ULSTFILE=2,"filename"
+ULSTFILE: 784
OK
16.3.3 Defined values
Parameter
Type
Description
<op_code>
Number
Allowed values are:
•
0 (default value): lists the files belonging to <tag> file type