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FILES
Commands that allow operations on files:
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APPEND TO SYSTEM LOG FILE
Adds a custom record to system log file.
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Command
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AT#LOG=<text>
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Response
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<text>
TEXT TO APPEND, MAY INCLUDE TAGS
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Esempio:
AT#LOG="My custom text"
OK
Current date/time are automatically added to the beginning of the record.
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APPEND TO FILE
Adds content at the end of an existing file by specifying the complete path. Only text files are supported, file will be created if do not exist.
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Command
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AT#AFILE=<name>,<type>,<text>
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Response
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND NAME OF THE FILE
<type>
FILE TYPE
T : TEXT
<text>
TEXT TO APPEND, MAY INCLUDE TAGS
TEXT WITHIN DOUBLE QUOTES IF MORE THAN ONE WORD
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To append a text to a user file:
AT#AFILE=D:SYSTEM/note.txt,T,UPDATED
OK
To append timestamp and average analog measure to a user log file:
AT#AFILE=S:LOGS/mylog.txt,T,"$D14$D15 : $A12"
OK
The operation will be aborted if the path does not exist or there is not enough space left to save the file.
If there is no space left for storage in the device folders it will be impossible to perform any operation on the file system.
For this reason, although it is possible to create user files into the device folders, it is strongly recommended to create users files on SDcard.
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LIST FILES
Returns the list of files stored in the specified folder.
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Command
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AT#LFILE=<path>
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Response
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...
...
COMMAND ACCEPTED, LIST OF FILES
ERROR
COMMAND REJECTED
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PARAMETERS
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<path>
PATH OF THE FOLDER TO LIST
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READ FILE
Returns the contents of the file in the specified path.
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Command
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AT#RFILE=<name>
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Response
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...
...
COMMAND ACCEPTED, FILE CONTENT
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND NAME OF THE FILE
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WRITE FILE
Write a file specifying the complete path. If the file do not exist it will be created, if exists the content will be overwritten.
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Command
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AT#WFILE=<name>,<type>,<payload>
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Response
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OK
COMMAND ACCEPTED
CONNECT
WAITING TO RECEIVE BINARY FILE
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND NAME OF THE FILE
<type>
FILE TYPE
T : TEXT
B : BINARY
<payload>
FILE LENGTH FOR TYPE BINARY
FILE CONTENT FOR TYPE TEXT
TEXT WITHIN DOUBLE QUOTES IF MORE THAN ONE WORD
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To write a text file:
AT#WFILE=D:SYSTEM/note.txt,T,"System start"
OK
To write a 250 byte binary (audio) file to PLMN module:
AT#WFILE=P:message.wav,B,250
CONNECT
..........
OK
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COPY FILE
Copy existing file.
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Command
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AT#CFILE=<source>,<destination>
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Response
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<source>
COMPLETE PATH AND NAME OF THE ORIGINAL FILE
<destination>
COMPLETE PATH AND NAME OF THE COPY FILE
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SOURCE AND DESTINATION FOLDERS MUST EXIST
DESTINATION FILE IS CREATED (IF IT DOES NOT EXIST) OR OVERWRITTEN
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To copy a text file:
AT#CFILE=S:LOGS/myLog.txt,S:COPYLOGS/myCopyFile.txt
OK
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DELETE FILE
Deletes a file in the specified path.
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Command
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AT#DFILE=<name>
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Response
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND NAME OF THE FILE
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be careful with delete command
if you delete system files the unit will stop working properly
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DELETE DIRECTORY
Delete a folder in the specified path.
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COMMAND
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AT#DDIR=<name>
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RESPONSE
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND FOLDER NAME
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To delete all files in folder UT (phone users):
AT#DDIR=U:UT
OK
To remove the folder LOGS and all its content:
AT#DDIR=S:LOGS
OK
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THIS COMMAND DOES NOT REMOVE SYSTEM FOLDERS, JUST THEIR CONTENT
be careful with delete command, if you delete system files (D folder)the unit will stop working properly
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CREATE DIRECTORY IN SDCARD
Create a folder in the specified path of the SDcard. To create a subfolder, the top folder must first be created
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COMMAND
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AT#CDIR=<name>
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RESPONSE
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OK
COMMAND ACCEPTED
ERROR
COMMAND REJECTED
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PARAMETERS
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<name>
COMPLETE PATH AND FOLDER NAME
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Tor create the folder foo (ERROR is reported if already exists):
AT#CDIR=S:foo
OK
To create the subfoldera bar inside the existing folder foo :
AT#CDIR=S:foo/bar
OK
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to create a subfolder
the top folder must be created first
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