P2P AT Commands
Note
P2P AT commands are disabled by default.
Refer to Configuring Project (menuconfig) to enter
CONFIG SHELLconfiguration, and checkEnable P2Pto enable the P2P AT commands.
AT+WLP2PSTART
Function Description
Initialize and start the P2P device
Command Format
AT+WLP2PSTART=[<type>,<value>,<type>,<value>……]
Response Format
Success Response:
OK
Error Response: definitions of error_no are in Wi-Fi AT Error Codes.
ERROR: <error_no>
Parameters
- <type>:
Parameter type, followed by corresponding <value>
listen_ch:followed by Listen Channelop_ch:followed by Operating Channel
- <value>:
Specific parameter corresponding to <type>
- <listen_ch>:
Listen Channel
It can be channel 1,6,11 in the 2.4GHz band.
- <op_ch>:
Operating Channel
It can be channel 1,6,11 in the 2.4GHz band.
Note
You can omit the parameters. In this case, the Listen Channel and Operating Channel will be randomly selected from ch 1, 6, and 11.
AT+WLP2PSTOP
Function Description
Stop P2P mode.
Command Format
AT+WLP2PSTOP
Response Format
Success Response:
OK
Error Response: definitions of error_no are in Wi-Fi AT Error Codes.
ERROR: <error_no>
AT+WLP2PCONN
Function Description
P2P device connection, including GO Nego, Group Formation and Connection.
Command Format
AT+WLCONN=[<type>,<value>,<type>,<value>……]
Response Format
Success Response:
OK
Error Response: definitions of error_no are in Wi-Fi AT Error Codes.
ERROR: <error_no>
Parameters
- <type>:
Parameter type, followed by corresponding <value>
peer:followed by the MAC address of the peer devicepbc:the <value> field can be omittedpin_display:the <value> field can be omittedpin_keypad:followed by 8-digit PIN codego_intent:followed by the value of GO intent
- <value>:
Specific parameter corresponding to <type>
- <peer>:
the MAC address of the peer device
Format: Colon-separated hexadecimal (e.g., 1a:2b:3c:4d:5e:6f)
- <pin_keypad>:
PIN code
8-digit PIN code(e.g., 12345678)
- <go_intent>:
the intent to become GO
Valid range: [0, 15]. If the go_intent parameter is not specified, a random value will be generated. If go_intent=15, the device will become GO.
AT Messages
The following P2P notification message will be displayed during the connection process:
P2P-NOTIFY: P2P-GO-NEG-SUCCESS P2P-NOTIFY: P2P-GROUP-FORMATION-SUCCESS P2P-NOTIFY: P2P-GROUP-STARTED
Once the connection is successful, GO will display:
[$]client connected:<client_mac_addr> [$]assign client ip:<ip_addr>
Once the connection is successful, GC will display:
[$]wifi connected [$]wifi got ip:<ip_addr>
AT+WLP2PDISCONN
Function Description
Disconnect and delete group.
Command Format
AT+WLP2PDISCONN
Response Format
Success Response:
OK
Error Response: definitions of error_no are in Wi-Fi AT Error Codes.
ERROR: <error_no>
AT+WLP2PSTATE
Function Description
Query P2P status information.
Command Format
AT+WLP2PSTATE
AT+WLP2PFIND
Function Description
Start P2P Device Discovery.
Command Format
AT+WLP2PFIND=[<timeout_sec>]
Response Format
Success Response:
OK
Error Response: definitions of error_no are in Wi-Fi AT Error Codes.
ERROR: <error_no>
Parameters
- <timeout_sec>:
The timeout value for device discovery, in seconds. The default is 30 seconds if not specified.
AT Messages
When a P2P device is scanned, its basic information will be displayed, including the P2P Device Address, P2P role (GC, GO, or DEVICE), name, and listen channel. For example:
P2P-NOTIFY: P2P-DEVICE-SCANNED 00:e0:4c:00:14:2d role=DEVICE name=DIRECT- listen_ch=6
When the device discovery phase ends, the following message will be displayed:
P2P-NOTIFY: P2P-FIND-STOPPED
AT+WLP2PPEERS
Function Description
Query the scanned P2P devices.
Command Format
AT+WLP2PPEERS
Response Format
Success Response:
OK
AT Messages
Displays information of all discovered devices, including P2P Device Address, P2P role (GC, GO, or DEVICE) and listen channel, as shown in the example below:
Found p2p peers: [0]:00:e0:4c:00:14:2d, P2P_DEV, listen_ch 6 [1]:00:e0:4c:00:14:2f, P2P_DEV, listen_ch 11