ESP8266 MQTT client dynamically changing MQTT broker settings


  • Hardware Contributor

    Hi,

    I am working on an ESP8266 MQTT gateway with a web interface to allow th user to configure settings. One of these settings is the MQTT broker IP address and port number.

    In the before() I read out the IP address from EEPROM and want to set it in the gateway software, and not as normally done by defining MY_CONTROLLER_IP_ADDRESS.

    Is it possible to do this?

    I already tried to declare _ethernetControllerIP as external. This doesn't work.
    Also tried to skip de definition MY_CONTROLLER_IP_ADDRESS and declar it in the gateway sketch. Didn't work either.😥


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