Cinterion
®
EHS6 AT Command Set
18.6 AT^SFSA
EHS6_ATC_V03.001
15/12/3
Confidential / Released
Page 434 of 513
Parameter Description
File handle
The file handle is returned by the system in the open command. It has then to be used in the following requests,
e.g. read, write, close, seek. The number of opened files is limited to 24.
0...23
Path to a file or a directory
For naming restrictions please see above rules for efficient FFS management.
Path to a destination file
For naming restrictions please see above rules for efficient FFS management.
Name of a file or a directory
The list command shows directory names with appended slash.
For naming restrictions please see above rules for efficient FFS management.
File access flags
All available flags are divided into two groups: primary and optional. To select the desired flag combination, cal-
culate the sum of the values and use the resulting value. Any combination of flags may be used.
Writing data to file can take up to 180 seconds due to internal flash file system data processing.
Primary group:
Those file access flags are not supported. However, any flag value setting is possible for compatibility reasons,
but it is ignored. Hence, there is always full access to all files.
0
Read-only.
1
Write-only.
2
Read/write. Has priority over the read-only and write-only flags, when set.
Optional group:
4
Append. Set the current position in the file to the end of the file. If append flag
is not used, current position will be set to the beginning of the file.
8
Create. Create the file if it does not exist. Otherwise the existing file will be
opened.
16
Truncate. Truncate the file to the size 0. Has priority over Append, when set in
combination with Append. Has effect only when used with the write or read/
write flag. Otherwise the usage is erroneous.
Depending on the file size, truncating may take a couple of seconds.
Seek flags
Determines how the new position is calculated.
[0]
Offset from the beginning of the file. The new position in the file equals
. The offset has to be positive or zero.
<fh>
(num)
<path>
(str)(+CSCS)
<DestinationPath>
(str)(+CSCS)
<name>
(str)(+CSCS)
<flag>
(num)
<SeekFlag>
(num)