Data Sheet

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4. Wi-Fi AT Commands
4.2.16. AT+CWDHCP_DEF—Enables/Disables DHCP; Configuration Saved in the Flash
Parameters
• Bit0:
‣ 0: Station DHCP is disabled.
‣ 1: Station DHCP is enabled.
• Bit1:
‣ 0: SoftAP DHCP is disabled.
‣ 1: SoftAP DHCP is enabled.
• <mode>:
‣ 0: Sets ESP8266 SoftAP
‣ 1: Sets ESP8266 Station
‣ 2: Sets both SoftAP and Station
• <en>:
‣ 0: Disables DHCP
‣ 1: Enables DHCP
Notes
•
The configuration changes will be stored in the user parameter area in the flash.
•
This Set Command interacts with static-IP-related AT commands (AT+CIPSTA-related󰐇and
AT+CIPA-related commands):
‣ If DHCP is enabled, static IP will be disabled;
‣ If static IP is enabled, DHCP will be disabled;
‣ Whether it is DHCP or static IP that is enabled depends on the last configuration.
Example
AT+CWDHCP_CUR=0,1
Commands
Query Command:
AT+CWDHCP_DEF?
Set Command:
AT+CWDHCP_DEF=<<mode>,<en>
Function: to enable/disable DHCP.
Response
DHCP󰐇disabled󰐇or󰐇enabled󰐇now?
OK
Parameters
• Bit0:
‣
0: Station DHCP is disabled.
‣
1: Station DHCP is enabled.
• Bit1:
‣
0: SoftAP DHCP is disabled.
‣
1: SoftAP DHCP is enabled.
• <mode>:
‣
0: Sets ESP8266 SoftAP
‣
1: Sets ESP8266 Station
‣
2: Sets both SoftAP and Station
• <en>:
‣
0: Disables DHCP
‣
1: Enables DHCP
Notes
•
The configuration changes will be stored in the user parameter area in the flash.
•
This Set Command interacts with static-IP-related AT commands (AT+CIPSTA-related󰐇and
AT+CIPA-related commands):
‣ If DHCP is enabled, static IP will be disabled;
‣ If static IP is enabled, DHCP will be disabled;
‣ Whether it is DHCP or static IP that is enabled depends on the last configuration.
Example
AT+CWDHCP_DEF=0,1
Espressif
! /5230
2017.05