User guide

Redpine Signals, Inc. Proprietary and Confidential. Page 117
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Figure 25: Activities for Power Save Mode 2
4.7 TCP/IP Stack Usage in RS9110-N-11-22/24/28
RS9110-N-11-22, RS9110-N-11-24 and RS9110-N-11-28 are Wi-Fi
modules with integrated TCP/IP stack. This reduces the development
effort for designers who don‟t have the TCP/IP stack on their Host
platform. However, there are applications where the designer wants to
run his own TCP/IP stack on the Host. The TCP/IP stack inside the module
can be bypassed in such scenarios. This feature of bypassing the stack is
available from firmware version 4.5.0 and above. For users using a
version lower than 4.5.0, this feature is not available, but this PRM would
be valid except for this section.
4.7.1 Using the Wi-Fi module with TCP/IP stack enabled
The Wi-Fi module is by default in “TCP/IP stack enabled” mode.
1. The reference driver that the user should use for this mode is placed
inside RS.CN.xx.GENR.SP.x.x.x/Driver/Driver_TCP
2. The API manual that should be used is placed in
RS.CN.xx.GENR.SP.x.x.x/Driver/Driver_TCP/Documentation/
DTIM interval
reached or data
received from Host?
Yes
No
Module goes
to sleep
No
Complete
data
transactions
Module wakes up
and executes
data transaction
Data
transaction
complete?