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homieiot / homie-esp8266

💡 ESP8266 framework for Homie, a lightweight MQTT convention for the IoT
http://homieiot.github.io/homie-esp8266
MIT License
1.36k stars 308 forks source link

Static IP after AP config? #209

Closed cingolanifede closed 7 years ago

cingolanifede commented 7 years ago

Hi, is there any way to set up a static ip after the AP config? The router usually gives the same ip address, but if the router gives the esp8266 a new ip, can i configure homie to use the first ip that was given to it? I am using an app and after I set the config I store the ip in a database and the I use it to comunicate with the esp device. Thanks.

rigorm commented 7 years ago

Could you just set a DHCP static IP distribution list based on the ESP's MAC address ? that would be the easiest way --------- Original Message --------- Subject: [marvinroger/homie-esp8266] Static IP after AP config? (#209) From: "cingolanifede" notifications@github.com Date: 11/8/16 8:00 am To: "marvinroger/homie-esp8266" homie-esp8266@noreply.github.com

Hi, is there any way to set up a static ip after the AP config? The router usually gives the same ip address, but if the router gives the esp8266 a new ip, can i configure homie to use the first ip that was given to it? I am using an app and after I set the config I store the ip in a database and the I use it to comunicate with the esp device. Thanks.

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euphi commented 7 years ago

There are many routers that don't support this. I have one of these, too and thinking about setting up an DHCP server on my home server that also runs mosquitto and openhab.

However, I don't see the need to do this for homie nodes (I do have the need for other devices, e.g. the printer), because homie works fine with variable IP address.

cingolanifede commented 7 years ago

Thanks for your replies. I solved using the rigorm way. I get the MAC address an then I use the ARP table and get the ip so I can comunicate with the esp. I close this issue #209. Thanks again.