Hi-Link HLK-WIIF-M04, Руководство пользователя

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<CR> means enter, it’s 0x0d in ASCII
<LF> means newline, it’s 0x0a in ASCII
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Data Type
String is enveloped with double quotation marks,but its content does not include the
quotation mark,such as “this is a string”.
Dec means number in decimalist,such as 10.
Hex means number in hexadecimal,such as a.
IP means IP address string,such as 192.168.0.1.
MAC means MAC address,it’s formed with 12 hexadecimal numbers,such as
001EE3A80102.
5.1.1.1
132B156B156B156B
Process Flow
AT+Instruction protocol uses the form of response,most of instructions need
a response message after the receiver has processed the instruction ,if the receiver
receive a new command aaquire in the process of processing the previous command,it will
throw the command away stealthily without any response message,the process is shown
as following figure.
Figure6-1 Process flow of AT+Instruction
Some special commands,such as AT+SKSND and AT+SKRCV, need to transmit binary
data behind command or response, at this moment,data receiver becomes into diaphanous
transmission status provisionally,and begins to receive binary numbers flow, until it has
received the data,of which length is prescribed in the <SIZE> field of command or