Data Sheet

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5. TCP/IP-Related AT Commands
5.2.19. AT+CIUPDATE—Updates the Software Through Wi-Fi
5.2.20. AT+CIPDINFO—Shows the Remote IP and Port with +IPD
5.2.21. +IPD—Receives Network Data
Execute
Command
AT+CIUPDATE
Function: updates software.
Response
+CIPUPDATE:<n>
OK
Parameters
• <n>:
‣ 1: find the server.
‣ 2: connect to server.
‣ 3: get the software version.
‣ 4: start updating.
Notes
• The speed of the upgrade is susceptible to the connectivity of the network.
• ERROR will be returned if the upgrade fails due to unfavourable network conditions. Please wait
for some time before retrying.
Notes
•
If using Espressif’s AT BIN (/ESP8266_NONOS_SDK/bin/at), AT+CIUPDATE will download a new
AT BIN from the Espressif Cloud.
•
If using a user-compiled AT BIN, users need to make their own AT+CIUPDATE upgrade. Espressif
provides a demo as a reference for local upgrade (/ESP8266_NONOS_SDK/example/at).
•
It is suggested that users call AT+RESTORE to restore the factory default settings after upgrading
the AT firmware.
Set Command
AT+CIPDINFO=<mode>
Response
OK
Parameters
<mode>:
‣ 0: does not show the remote IP and port with +IPD.
‣ 1: shows the remote IP and port with +IPD.
Example
AT+CIPDINFO=1
Command
Single connection:
(+CIPMUX=0)+IPD,<len>[,<remote󰐇
IP>,<remote󰐇port>]:<data>
multiple connections:
(+CIPMUX=1)+IPD,<link󰐇ID>,<len>[,<remote󰐇
IP>,<remote󰐇port>]:<data>
Parameters
The command is valid in normal command mode. When the module receives network data, it will
send the data through the serial port using the +IPD command.
• [<remote󰐇IP>]: remote IP, enabled by command AT+CIPDINFO=1.
• [<remote󰐇port>]: remote port, enabled by command AT+CIPDINFO=1.
• <link󰐇ID>: ID number of connection.
• <len>: data length.
• <data>: data received.
Espressif
! /!53 58
2017.05