INSYS WLAN 2.1, Manual

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INSYS WLAN serial 2.1 Overview AT Commands
Command Description
AT#PSK=”<psk>”
Set pre-shared key (PSK) for WPA authentication
AT#PSK
=““ (default)
Example
AT#PSK=“123456789“
sets the PSK to 123456789.
With this command, the WPA master key is calculated. This calculation takes
about 50 seconds. In the meantime, the communication with the WLAN is in-
terrupted. The module will not react to any further commands. The completed
calculation is indicated by the response "
OK
".
The WPA PSK encryption is switched on via
AT#WEL
.
This setting is immediately stored in the permanent memory (independent
from the command
AT&W
). It will only take effect after a restart.
ATQ<n>
Quiet control
This command switches the sending of messages of the INSYS WLAN serial 2.1
via the serial interface on or off.
ATQ0
Send messages to PC (default)
ATQ1
Don’t send messages to PC
AT#QUIET=<n>
Suppress switch-on message
AT#QUIET=0
shows the switch-on message during the cold start (de-
fault)
AT#QUIET=1
suppresses the switch-on message of the module
The setting can be queried with
AT#QUIET?
.
This setting is stored with
AT&W
in the fail-safe module memory.
AT&R<n>
Polarity of the CTS control line
for controlling a RS-485 driver (see also
AT&K8
). The CTS signal is set to active
or inactive when the module receives on the serial interface:
AT&R0
CTS signal inactive (low) for sending
AT&R1
CTS signal active (high) for sending (default)
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