Farm-Data-Relay-System/Examples/5_MQTT_Gateway/fdrs_config.h

//  FARM DATA RELAY SYSTEM
//
//  GATEWAY 2.000 Configuration

//#define UNIT_MAC     0x00  // The address of this gateway

//Actions -- Define what happens when a packet arrives at each interface:
//Current function options are: sendESPNOW(MAC), sendSerial(), sendMQTT(), bufferESPNOW(interface), bufferSerial(), and bufferLoRa(interface).
  
#define ESPNOWG_ACT    
#define SERIAL_ACT     sendMQTT();
#define MQTT_ACT          
#define LORAG_ACT      

//#define USE_LORA      
#define USE_WIFI    //Used only for MQTT gateway

#define CREDENTIALS 

#if defined (ESP32)
#define RXD2 14
#define TXD2 15
#define UART_IF Serial1
#else 
#define UART_IF Serial
#endif

////LoRa Configuration -- Needed only if using LoRa 
#define SCK 5
#define MISO 19
#define MOSI 27
#define SS 18
#define RST 14
#define DIO0 26


// default.h values are overwritten by the #defines of credentials.h files in the library folder
#ifdef CREDENTIALS
#include <credentials.h>
#define WIFI_NET my_SSID
#define WIFI_PASS my_PASSWORD
#define MQTT_ADDR my_MQTT_BROKER
#define BAND my_BAND
#endif