LISA-C200 & FW75-C200
AT commands examples - Application Note
CDMA-CS-12000
Preliminary
Page 27 of 41
11
File System AT commands
Commands in this chapter refer to the local file system on the module. The size of the file system is
limited by the available memory. Refer to
u-blox AT Commands Manual
Command
Response
Description
AT+CMEE=2
OK
Set verbose error messages
AT+ULSTFILE=”all”
+ULSTFILE: “Test5.ebf”
OK
Lists “All” the files in the “file” system.
AT+ULSTFILE=1
+ULSTFILE: 940544
OK
The parameter 1 at this command, shows the space
that is free for files in the “file” system.
AT+ULSTFILE=2,”Test5.ebf”
+ULSTFILE: 106496
OK
Gets the size of the ”Test5.ebf” file
AT+ULSTFILE=2,”no-name”
+ULSTFILE: 0
OK
“no-name” is a non-existing file in the “file” system,
therefore their size value is 0.
AT+UDWNFILE=”SD_New_001”,14
>
Requests the creation of a new file on the “file”
system, it is necessary to specify the name and file size.
The “>” prompt symbol indicates the terminal is open
(No commands will be allowed).
Good Morning
OK
The characters written will be sent to the port.
The interface is blocked until all bytes are
written. Once all characters are written, the
module exits from the prompt, an OK
response is shown and the device is back into
AT Commands mode.
AT+ULSTFILE=”all”
+ULSTFILE:
“SD_New_001”,”Test5.ebf”
OK
Lists again all the files in the “file” system, the new
added file is shown.
AT+ULSTFILE=2,”SD_New_001”
+ULSTFILE: 14
OK
Request the size of the new file created.
AT+URDFILE=”SD_New_001”
+URDFILE: SD_NEW_001,14,”Good
Morning”
OK
Read the newly created file “SD_New_001”
AT+UDELFILE=”SD_New_001”
OK
Deleting the new created “SD_New_001” file.
AT+ULSTFILE=”all”
+ULSTFILE: “Test5.ebf”
OK
Listing all the files in the “file” system, the newly
created file, deleted previously is absent.
LISA-C
FW75