User's Manual

WizFi320 User Manual

Example

AT+CWMODE=3

AT+CWSTATE: Query the Wi-Fi state and Wi-Fi

information

Query Command

Function:

Query the Wi-Fi state and Wi-Fi information of ESP devices.

Command:

AT+CWSTATE?

Response:

+CWSTATE:<state>,<"ssid">

Parameters

• <state>: current Wi-Fi state.

o 0: ESP station has not started any Wi-Fi connection.

o 1: ESP station has connected to an AP, but does not get an

IPv4 address yet.

o 2: ESP station has connected to an AP, and got an IPv4

address.

o 3: ESP station is in Wi-Fi connecting or reconnecting state.

o 4: ESP station is in Wi-Fi disconnected state.

• <”ssid”>: the SSID of the target AP.

Note

• When ESP station is not connected to an AP, it is recommended to use

this command to query Wi-Fi information; after ESP station is connected

to an AP, it is recommended to use AT+CWJAP to query Wi-Fi

information.

AT+CWJAP: Connect to an AP

Query Command

Function:

Query the AP to which the ESP Station is already connected.