WE310F5-X IP2WiFi Legacy AT Command Reference Guide
80664ST11079A Rev. 3
Page 14 of 79
2021-10-25
Not Subject to NDA
Figure 3: Data Processing Flow.
Table 5: Data Handling Responses at Completion.
Operation
Escape Sequence
Description
Send and Return to
Command Mode
Sequence
<ESC>C
This sequence causes transmission of the data received on
the serial interface on a TCP server/client or UDP client
connection. After, the currently selected connection is
closed, and the interface returns to Command mode. Any
buffered data is sent before the connection is closed.
This can be issued from the serial host once the data
transmissions start on a socket using <ESC>S<CID>
sequence.
Success Indication
<ESC>O
OK: When serial host sends data to any socket, the network
validates whether it is an active CID. This sequence is sent
to the serial host through UART or SPI-NON DMA interface
by the Serial-to-WiFi Application upon successful validation
of active CID.
Note: Sending <ESC> O has been intentionally removed in
SPI DMA and SDIO interface to increase throughput.
Failure Indication
<ESC>F
FAILURE: This sequence is sent to the serial host by the
Serial-to-WiFi Application through all interfaces (UART,
