ESP32_TTGO_LoRa_BMP280

/*********
Rui Santos
Complete project details at https://RandomNerdTutorials.com/ttgo-lora32-sx1276-arduino-ide/
*********/
//Libraries for LoRa
#include <SPI.h>
#include <LoRa.h>
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
//Libraries for OLED Display
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define BUFF_SIZE 100 // define buffer size for BME280 data
// define used to calculate relative atmospheric pressure readings
#define SEALEVELPRESSURE_HPA (1013.25)
//define the pins used by the LoRa transceiver module
#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
//OLED pins
#define OLED_SDA 4
#define OLED_SCL 15
#define OLED_RST 16
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
//packet counter
int counter = 0;
Adafruit_BME280 bme; // I2C BME atmospheric sensor
unsigned long delayTime;
char BME280_buff[BUFF_SIZE]; // buffer for BME280 data
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RST);
void setup() {
//initialize Serial Monitor
Serial.begin(115200);
//reset OLED display via software
pinMode(OLED_RST, OUTPUT);
digitalWrite(OLED_RST, LOW);
delay(20);
digitalWrite(OLED_RST, HIGH);
//initialize OLED
Wire.begin(OLED_SDA, OLED_SCL);
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3c, false, false)) { // Address 0x3C for 128x32
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
unsigned status;
// default settings
status = bme.begin(0x76); //(0x76);
// You can also pass in a Wire library object like &Wire2
// status = bme.begin(0x76, &Wire2)
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(), 16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}

display.clearDisplay();
display.setTextColor(WHITE);
display.setTextSize(1);
display.setCursor(0,0);
display.print("LORA SENDER ");
display.display();

Serial.println("LoRa Sender Test");
//SPI LoRa pins
SPI.begin(SCK, MISO, MOSI, SS);
//setup LoRa transceiver module
LoRa.setPins(SS, RST, DIO0);

if (!LoRa.begin(BAND)) {
Serial.println("Starting LoRa failed!");
while (1);
}
Serial.println("LoRa Initializing OK!");
display.setCursor(0,10);
display.print("LoRa Initializing OK!");
display.display();
delay(2000);
}
void loop() {

Serial.print("Sending packet: ");
Serial.println(counter);
//Send LoRa packet to receiver
LoRa.beginPacket();
LoRa.print("hello sailor! ");
LoRa.print(counter);
LoRa.endPacket();

display.clearDisplay();
display.setCursor(0,0);
display.println("LORA SENDER");
display.setCursor(0,20);
display.setTextSize(1);
display.print("LoRa packet sent.");
display.setCursor(0,30);
display.print("Counter:");
display.setCursor(50,30);
display.print(counter);
display.display();
counter++;

delay(10000);
}

void setBME_Address(uint8_t address) {
unsigned status;
// default settings
status = bme.begin(address); //(0x76);
// You can also pass in a Wire library object like &Wire2
// status = bme.begin(0x76, &Wire2)
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(), 16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}
Serial.println("-- Default Test --");
Serial.print("SensorID is: 0x"); Serial.println(bme.sensorID(), 16);
delayTime = 1000;

}