#include <RadioLib.h>
#include "utilities.h"
#include "boards.h"

SX1276 radio = new Module(RADIO_CS_PIN, RADIO_DI0_PIN, RADIO_RST_PIN, RADIO_BUSY_PIN);

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

  // initialize SX1276 with default settings
  Serial.print(F("[SX1276] Initializing ... "));
  int state = radio.beginFSK(144.39, 1.2);
  if (state == RADIOLIB_ERR_NONE) {
    Serial.println(F("success!"));
  } else {
    Serial.print(F("failed, code "));
    Serial.println(state);
    while (true);
  }
}

void loop() {
  Serial.print(F("[SX1276] Waiting for incoming transmission ... "));

  String str;
  int state = radio.receive(str);

  if (state == RADIOLIB_ERR_NONE) {
    // packet was successfully received
    Serial.println(F("success!"));

    // print the data of the packet
    Serial.print(F("[SX1276] Data:\t\t\t"));
    Serial.println(str);

    // print the RSSI (Received Signal Strength Indicator)
    // of the last received packet
    Serial.print(F("[SX1276] RSSI:\t\t\t"));
    Serial.print(radio.getRSSI());
    Serial.println(F(" dBm"));

    // print the SNR (Signal-to-Noise Ratio)
    // of the last received packet
    Serial.print(F("[SX1276] SNR:\t\t\t"));
    Serial.print(radio.getSNR());
    Serial.println(F(" dB"));

    // print frequency error
    // of the last received packet
    Serial.print(F("[SX1276] Frequency error:\t"));
    Serial.print(radio.getFrequencyError());
    Serial.println(F(" Hz"));

  } else if (state == RADIOLIB_ERR_RX_TIMEOUT) {
    // timeout occurred while waiting for a packet
    Serial.println(F("timeout!"));

  } else if (state == RADIOLIB_ERR_CRC_MISMATCH) {
    // packet was received, but is malformed
    Serial.println(F("CRC error!"));

  } else {
    // some other error occurred
    Serial.print(F("failed, code "));
    Serial.println(state);

  }
}