At+ Instruction Set - Waveshare WIFI232 User Manual

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
Command Message
AT+<CMD>[op][para-1,para-2,para-3,para-4...]<CR>

AT+: Prefix of command message;

CMD: Command string;

[op]: Symbol of command operator,
 "=" : The command requires parameters input;
 "NULL": Query the current command parameters setting;

[para-n]: Parameters input for setting if required;
<CR>: "Enter" Key, it‟s 0x0a or 0x0d in ASCII;
Notes: When input AT+Instruction, "AT+<CMD>" character will display capital letter automatic
and other parts will not change as you input.

Response Message
+<RSP>[op] [para-1,para-2,para-3,para-4...]<CR><LF><CR><LF>

+: Prefix of response message;

RSP: Response string;
 "ok" : Success
 "ERR": Failure

[op] : =

[para-n]: Parameters if query command or Error code when error happened;

<CR>: ASCII 0x0d;

<LF>: ASCIII 0x0a;

Error Code
Error Code
-1
-2
-3
-4
-5

5.2.2.2 AT+ Instruction Set

Instruction
<null>
E
ENTM
NETP
UART
UARTF
Table 7 Error Code Description WIFI232 Web Access Default Setting
Description
Invalid Command Format
Invalid Command
Invalid Operation Symbol
Invalid Parameter
Operation Not Permitted
Table 8 AT+ Instruction Set List
Description
NULL
Open/Close show back function
Set module into transparent transmission mode
Set/Query network protocol parameters
Set/Query serial port parameters
Open/Close UART auto-frame function
Page 48 of 81
WIFI232 User Manual