ESP32_OSC_IMU/lib/M5Stack/examples/Modules/LoRa433_SX1278/LoRaSender/LoRaSender.ino

#include <M5Stack.h>
#include <M5LoRa.h>


void setup() {

  M5.begin();
  M5.Power.begin();
  // override the default CS, reset, and IRQ pins (optional)
  LoRa.setPins(); // default set CS, reset, IRQ pin
  Serial.println("LoRa Sender");
  M5.Lcd.println("LoRa Sender");

  // frequency in Hz (433E6, 866E6, 915E6)
  if (!LoRa.begin(433E6)) {
    Serial.println("Starting LoRa failed!");
    M5.Lcd.println("Starting LoRa failed!");
    while (1);
  }

  // LoRa.setSyncWord(0x69);
  Serial.println("LoRa init succeeded.");
  M5.Lcd.println("LoRa init succeeded.");
}

void loop() {
  // try to parse packet
  static uint32_t counter;

  Serial.print("Sending packet: ");
  Serial.println(counter);

  // send packet
  LoRa.beginPacket();
  LoRa.print("hello ");
  LoRa.print(counter);
  LoRa.endPacket();

  counter++;

  delay(1000);
}