AT+i Programmer's Manual - SE Spezial-Electronic AG

9 SerialNET Mode Initiation
9.1 +iSNMD — Activate SerialNET Mode
Command Options:
Syntax: AT+i[! | @]SNMD
Result Code:
Activate SerialNET mode.
SerialNET Mode Initiation
! Optional Auto-Link mode. When this flag is specified, iChip
immediately goes online when activating SerialNET mode
(even when serial data has not yet arrived). If the LPRT
(Listening Port) parameter is defined, iChip opens the
listening port and awaits a connection. If LPRT is not defined,
but HSRV (Host Server) is defined, iChip immediately opens
a SerialNET socket link to the server.
@ Optional Deferred Connection mode. When this flag is
specified, iChip automatically goes online (as in the case of
AT+i!SNMD). However, if the HSRV parameter is defined, a
socket is not opened until data arrives on the local serial port.
If the SerialNET mode listening port is defined (LPRT), iChip
opens a listening socket and waits for a remote connection
during the idle period before data arrives on the local serial
port.
When the SerialNET socket type (STYP) is TCP and serial
data arrives, iChip buffers the data in the MBTB Buffer and
tries to connect to HSR0. If HSR0 does not respond, iChip
tries HSR1, then HSR2. If all three connection attempts fail,
iChip retries them all. After three full retry cycles, iChip
dumps the MBTB buffer and remains idle until new serial
data arrives.
I/OK If all minimum required parameters for SerialNET mode
operation are defined (HSRV or LPRT and, in a modem
environment, also ISP1, USRN, PWD)
I/ERROR Otherwise
Followed by:
I/DONE After successfully activating SerialNET mode when using.
Allow a 2.5 seconds delay for iChip re-initialization.
-or-
I/ONLINE After successfully activating SerialNET mode. Allow a 2.5
seconds delay for iChip re-initialization.
AT+i Programmer‘s Manual Version 8.21 9-1