ST SPWF04S Series, User Manual

Page: 11 / 66

6 Command reference guide
This section details each of the SPWF04Sx commands listed in Table 1. SPWF04Sx commands , including a brief
description of its behavior and complete list of parameters. Examples and syntax are described in the “AT” format
introduced in
Section 3 AT commands over the UART . The mapping mechanism described in Section 4 SPI
protocol is used to map the AT command in the packet format used by the SPI.
6.1 AT
AT, by itself, is a null command that always returns an OK result code. It is useful for testing the module interface
for readiness.
Usage:
AT<cr>
Parameters:
None
6.2 AT+S.HELP
AT+S.HELP prints the list of all the AT commands supported with a brief help text for each of them. Refer to
Table 1. SPWF04Sx commands for a complete list of the commands available.
Usage:
1)
AT+S.HELP<cr>
to get the full list of commands
2) AT+S.HELP=<keyword><cr>
to get the list of commands containing the specified keyword
Parameters:
<keyword>
Specifies the name of a keyword
Result:
AT-S.Command:<command> -- <help>
<command>
Specifies the command
<help>
Specifies the description of the command
6.3 AT+S.STS
AT+S.STS displays the current values of all the status variables.
UM2114
Command reference guide
UM2114 - Rev 3
page 11/66