USR-C321
Low Power
Minisize
WiFi Module User Manual
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When the Socket set to UDP Server, if a serial port receives data first, module sends
the data to the already set IP, port (AT + SOCKA set), if the UDP Server receives data,
data source address, the module will remember after a serial port, after receipt of the
data module will be transmitted to the address data.
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When the module is set to the UDP Client module only to have set the IP and port to
send data, and receive only has set the IP and port address data (AT + SOCKA
Settings), other address to send more data is not forwarded to the UART.
3.4
3.4
3.4
3.4 Custom
Custom
Custom
Custom web
web
web
web function
function
function
function
USR
-
C322 support Custom web function. User can modify the web page content or add
your own web page. Please refer to the specific implementation method " reference :USR-C321
customed web function ".
3.
3.
3.
3.5
5
5
5 Search
Search
Search
Search in
in
in
in local
local
local
local area
area
area
area network
network
network
network
Module support within the local area network (LAN) search function, that is, when the
module is connected to a wireless router, the user can through to a fixed port sends UDP
broadcast way, to get the IP address of the module of the current, in order to realize the search
and communications equipment. SEARCH the port and keyword can be set by the AT +
SEARCH commands, default: 48899, www.usr.cn.
Search tool operation process:
1. Through the UDP broadcast (broadcast address: xx. Xx. Xx. 255, port: 48899) to send a
password, the default password is: "www.usr.cn", the longest can be set up 20 bytes.
2. Module after receiving the password, if the password is correct, the module to enter
configuration mode, to the address (unicast, source port) send the local IP address, MAC
address, the module name, version number. (IP, MAC, MID, ver 10.10.100.254,
D8B04CFC0000, USR - C321, 01.01.10). Module to enter configuration mode set if not
received within 30 seconds after the command, the module will exit the configuration mode, the
user needs to send search command word, enter configuration mode.
