Farm-Data-Relay-System/examples/1_UART_Gateway/fdrs_gateway_config.h

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

#include <fdrs_globals.h>
#define FDRS_DEBUG     //Enable USB-Serial debugging
#define DEBUG_CONFIG   // Displays full config info on startup 

#define UNIT_MAC     0x01  // The address of this gateway

// Actions -- Define what happens when a packet arrives at each interface:
// Current function options are: sendESPNow(MAC), sendSerial(), sendMQTT(),
//  bufferLoRa(interface), bufferESPNOW(interface), bufferSerial(), and bufferMQTT().

#define ESPNOWG_ACT    sendSerial();
#define SERIAL_ACT     sendESPNow(0x02); bufferLoRa(1); sendESPNowPeers(); 
#define MQTT_ACT          
#define LORAG_ACT      sendSerial();
// Neighbor Actions
#define ESPNOW1_ACT   
#define ESPNOW2_ACT                    
#define LORA1_ACT      sendSerial();
#define LORA2_ACT 

// Protocols -- Define which protocols the gateway will use.
// Warning: ESP-NOW and WiFi should not be used simultaneously.

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

// Neighboring gateway addresses
#define ESPNOW_NEIGHBOR_1  0x0E  // ESPNOW1 Address 
#define ESPNOW_NEIGHBOR_2  0x0F  // ESPNOW2 Address
#define LORA_NEIGHBOR_1    0x02  // LoRa1 Address
#define LORA_NEIGHBOR_2    0x0F  // LoRa2 Address

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

//Logging settings  --  Logging will occur when MQTT is disconnected
//#define USE_SD_LOG        //Enable SD-card logging
//#define USE_FS_LOG        //Enable filesystem (flash) logging
#define LOGBUF_DELAY 10000  // Log Buffer Delay - in milliseconds
#define SD_SS 0             //SD card CS pin (Use different pins for LoRa and SD)
#define SD_FILENAME "fdrs_log.csv"
#define FS_FILENAME "fdrs_log.csv"

///#define USE_OLED
#define OLED_HEADER "FDRS"
#define OLED_SDA 4
#define OLED_SCL 15
#define OLED_RST 16
// SPI Configuration -- Needed only on boards with multiple SPI interfaces like the ESP32

#define SPI_SCK 5
#define SPI_MISO 19
#define SPI_MOSI 27

// LoRa Configuration
#define RADIOLIB_MODULE SX1276 //Tested on SX1276
#define LORA_SS 18
#define LORA_RST 14
#define LORA_DIO0 26
#define LORA_DIO1 33
#define LORA_TXPWR 17   // LoRa TX power in dBm (: +2dBm - +17dBm (for SX1276-7) +20dBm (for SX1278))
#define LORA_ACK        // Request LoRa acknowledgment.

// Buffer Delays - in milliseconds - Uncomment to enable any buffer

//#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    500
//#define LORA2_DELAY    1000

#define PEER_TIMEOUT 300000

// FastLED -- Not yet fully implemented
//#define USE_LED
#define LED_PIN    32
#define NUM_LEDS    4

// WiFi and MQTT Credentials -- Needed for MQTT only if "fdrs_globals.h" is not included
//#define WIFI_SSID   "Your SSID"  
//#define WIFI_PASS   "Your Password"
//#define MQTT_ADDR   "192.168.0.8"
//#define MQTT_PORT   1883 // Default MQTT port is 1883

//#define MQTT_AUTH   //Enable MQTT authentication 
//#define MQTT_USER   "Your MQTT Username"
//#define MQTT_PASS   "Your MQTT Password"

// MQTT Topics
#define TOPIC_DATA "fdrs/data"
#define TOPIC_STATUS "fdrs/status"
#define TOPIC_COMMAND "fdrs/command"