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

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

#include <fdrs_globals.h> //Uncomment if you install the globals file
#define DEBUG

#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    sendSerial();
#define SERIAL_ACT     //sendMQTT();    
#define MQTT_ACT          
#define LORAG_ACT      sendSerial();

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

#define WIFI_SSID   "Your SSID"
#define WIFI_PASS   "Your Password"
#define MQTT_ADDR   "192.168.0.8"

// Peer addresses
#define ESPNOW1_PEER  0x04  // ESPNOW1 Address 
#define ESPNOW2_PEER  0x05  // ESPNOW2 Address
#define LORA1_PEER    0x04  // LoRa1 Address
#define LORA2_PEER    0x05  // LoRa2 Address

// Peer Actions
#define ESPNOW1_ACT    
#define ESPNOW2_ACT                    
#define LORA1_ACT 
#define LORA2_ACT 

//Pins for UART data interface (ESP32 only)
#define RXD2 14
#define TXD2 15

//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
//433E6 for Asia
//866E6 for Europe
//915E6 for North America
#define BAND 915E6
#define SF 7

// Buffer Delays - in milliseconds
//#define ESPNOW1_DELAY  0
//#define ESPNOW2_DELAY  0
//#define ESPNOWG_DELAY  0
//#define SERIAL_DELAY   0
//#define MQTT_DELAY     0
//#define LORAG_DELAY    1000
//#define LORA1_DELAY    1000
//#define LORA2_DELAY    1000
//#define USE_LED    //Not yet fully implemented
#define LED_PIN    32
#define NUM_LEDS    4

// MQTT Topics
#define TOPIC_DATA "FDRS/DATA"
#define TOPIC_STATUS "FDRS/STATUS"
#define TOPIC_COMMAND "FDRS/COMMAND"