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Cinterion
®
ENS22-E AT Command Set
7.9 AT^SISW
ENS22-E_ATC_V01.000
19/02/11
Page 114 of 189
7.9
AT^SISW Internet Service Write Data
triggers a write operation (upload) and queries the amount of data already sent, but not acknowledged
at the TCP layer.
write command may return the following errors:
•
"+CME ERROR: operation temporary not allowed"
e.g. if the service has not network resources allocated.
•
"+CME ERROR: operation not allowed"
e.g. if the service is not configured.
Syntax
Unsolicited Result Code
^SISW:
The URC indicates the following status changes:
• After opening a UDP Client with
" URC indicates that the service is ready to accept data.
After this initial "
" URC, the UDP Client can proceed in Transparent Mode or Non-Transparent Mode.
" URC is not issued after a UDP Endpoint was opened, because the "
" URC will be
issued.
• During
write cycles the "
" URC indicates that the service is ready to accept new data.
The URC is disabled in polling mode. See
, parameter "Tcp/WithURCs",
.
Parameter Description
0 ... 4 specified with
.
0...1358
Specifies the number of bytes to be sent with
or, if set to 0, requests the amount of data already sent
but not yet acknowledged:
• Parameter
may be 1...1358 bytes to specify the amount of data to be sent with
• If Socket service is selected with UDP protocol
-
=0 can be used to send an empty UDP packet;
Test Command
AT^SISW=?
Response(s)
OK
Write Command
AT^SISW=
[,
Response(s)
^SISW:
Number of data bytes as specified by
OK
ERROR
+CME ERROR:
<err>
PIN Last
±
+
<srvProfileId>
(num)
<reqWriteLength>
(num)