CS-E3100 User Manual
OneFex
21
2.
Case insensitive, Uppercase is recommended
3.
A command can be up to 256 bytes
4.
Separate by comma when multiple parameters
5.
Must wait for the response of the previous command before sending
the next one
There are three types of commands: Query, Setting, and Help. The format
of each type is as follows:
⚫
Query
◼
Send:
AT+CMD\r\n
or
AT+CMD?\r\n
◼
Response:
\r\n+CMD:value\r\nOK\r\n
⚫
Setting
◼
Send:
AT+CMD=value1,value2…\r\n
◼
Response:
\r\nOK\r\n
⚫
Help (Only configurable commands are valid)
◼
Send:
AT+CMD=?\r\n
◼
Response:
\r\n+CMD:(Para1:scope),(Para2:scope)…\r\nOK\r\n
3.2.2
AT Command Error Code
When the command execution fails, the device will issue an error code. The
format of the error code is:
\r\n+ERROR:Error_Code\r\n
Table 4 AT Error Code
Error Code
Error Type
Error Cause
ARGS
Invalid
parameter
The parameter length, size, format,
etc. do not conform to the rules
ARGC
Wrong number
of parameters
Wrong number of parameters
CMD_UNKNOWN
Unknown
command
Command does not exist
CMD_FORMAT
Format error
Prefix is not AT+
CMD_LENGTH
Length error
Maximum command length exceeded
DEV_MEMORY
Memory error
Memory error
DEV_SAVE
Save error
Failed when save
3.2.3
Common commands
This section introduces several commonly used commands that allow users
to master most of the commands in a short time.
⚫
Exit Configuration Mode:
AT+EXIT
⚫
Get a list of commands:
AT+LIST
