#include <SPI.h>
#include <LoRa.h>

// The dragino shield
//#define PIN_SS    10
//#define PIN_RESET 9
//#define PIN_DIO0  2

// Custom: The smart greenhouse device
//#define PIN_SS    10
//#define PIN_RESET -1
//#define PIN_DIO0  2

// Wemos
#define PIN_SS    15
#define PIN_RESET 4
#define PIN_DIO0  5

// Channel 0
#define FREQUENCY 868100000



void setup() {
  Serial.begin(9600);
  while (!Serial);

  Serial.println("LoRa Receiver");
  //LoRa.enableInvertIQ();
  LoRa.setPins(PIN_SS, PIN_RESET, PIN_DIO0);
  if (!LoRa.begin(FREQUENCY)) {
    Serial.println("Starting LoRa failed!");
    while (1);
  }
  LoRa.onReceive(onReceive);
  LoRa.receive();
  Serial.println("Listening for transmissions.");
}

void loop() {
}



void onReceive(int packetSize) {
  // received a packet
  Serial.print("Received packet '");

  // read packet
  while (LoRa.available()) {
    Serial.print((char)LoRa.read());
  }

  // print RSSI of packet
  Serial.print("' with RSSI ");
  Serial.println(LoRa.packetRssi());
}