Instruction Syntax Format - Waveshare WIFI232-B2 User Manual

WIFI232-B2 User Manual
Click "Search", the text box will show the module searched, click module then you
can send command as COM.

5.1.2 Instruction Syntax Format

AT+ Instruction protocol is based on the instruction of ASCII command style, the
description of syntax format as follow
➢ Format Description
 <>: The parts must be included
 [ ]: The optional part
➢ Command Message
 AT+: Prefix of command message
 CMD: Command string
 [op]: Symbol of command operator
 "=": The command requires parameters setting;
 "NULL": Query the current command parameters setting
 [para-n]: Parameters input for setting if required
 <CR>: "Enter" Key, it is 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]ppara-1, para-2, para-3, para-4, para-4, ...]<CR><LF><CR><LF>
 +: Prefix of response message
 RSP: Response string;
 "ok": Success
Figure 45 Search Module
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