How to tell to an ESP8266 node who is its ESP8266 Wifi gateway? Or each ESP8266 is a gateway for itself?



  • Hello,
    I created an ESP8266 Wifi gateway and everything is working very well.
    Now I need to create a node: mi question is... what the directive to say to the node who is its gateway?
    Or every ESP8266 has to be a gateway for itself?

    I'm using Openhab2.

    This is my sketch, what I'm missing, please? My gateway as 192.168.0.95 as IP address

    // Enable debug prints to serial monitor
    #define MY_DEBUG

    // Use a bit lower baudrate for serial prints on ESP8266 than default in MyConfig.h
    #define MY_BAUD_RATE 9600

    // Enable and select radio type attached
    //#define MY_RADIO_RF24
    //#define MY_RADIO_NRF5_ESB
    //#define MY_RADIO_RFM69
    //#define MY_RADIO_RFM95
    //#define MY_GATEWAY_ESP8266

    #define MY_WIFI_SSID "xxxx"
    #define MY_WIFI_PASSWORD "xxx"

    // Enable MY_IP_ADDRESS here if you want a static ip address (no DHCP)
    #define MY_IP_ADDRESS 192,168,0,88

    // If using static ip you can define Gateway and Subnet address as well
    #define MY_IP_GATEWAY_ADDRESS 192,168,0,1
    #define MY_IP_SUBNET_ADDRESS 255,255,255,0

    // Flash leds on rx/tx/err
    // Led pins used if blinking feature is enabled above
    #define MY_DEFAULT_ERR_LED_PIN 16 // Error led pin
    #define MY_DEFAULT_RX_LED_PIN 16 // Receive led pin
    #define MY_DEFAULT_TX_LED_PIN 16 // the PCB, on board LED

    #define MY_NODE_ID 1

    #if defined(MY_USE_UDP)
    #include <WiFiUdp.h>
    #endif

    #include <ESP8266WiFi.h>
    #include <MySensors.h>
    #include <ArduinoOTA.h>

    #define RELAY1 12
    #define RELAY2 13

    #define RELAY_ON 1 // GPIO value to write to turn on attached relay
    #define RELAY_OFF 0 // GPIO value to write to turn off attached relay

    void before()
    {
    pinMode(RELAY1,OUTPUT);
    pinMode(RELAY2,OUTPUT);
    digitalWrite(RELAY1, loadState(RELAY1)?RELAY_OFF:RELAY_ON);
    digitalWrite(RELAY2, loadState(RELAY2)?RELAY_OFF:RELAY_ON);
    }

    void setup()
    {
    }

    void presentation()
    {
    // Send the sketch version information to the gateway and Controller
    sendSketchInfo("LuciFinestrone", "1.0");

    present(RELAY1, S_BINARY, "luceFinestrone",true);
    //present(RELAY2, S_BINARY, "light2",true);
    

    }

    void loop()
    {
    }

    void receive(const MyMessage &message)
    {
    // We only expect one type of message from controller. But we better check anyway.
    if (message.type==V_STATUS) {
    // Change relay state
    digitalWrite(message.sensor, message.getBool()?RELAY_ON:RELAY_OFF);
    // Store state in eeprom
    saveState(message.sensor, message.getBool());
    // Write some debug info
    Serial.print("Incoming change for sensor:");
    Serial.print(message.sensor);
    Serial.print(", New status: ");
    Serial.println(message.getBool());
    }
    }


  • Mod

    Welcome to the forum @skassa !

    Yes, normally each esp8266 will be each own gateway. Most controllers support many gateways.



  • thank you very much! 😉


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