/*
  Raspberry pi pico receiver
  https://www.electroniclinic.com/
*/
#include <SPI.h>
#include <LoRa.h>
 #define nss 8
#define rst 9
#define dio0 7
#define led 25

void setup() {

  Serial.begin(9600);
  pinMode(led, OUTPUT);

  while (!Serial);
  LoRa.setPins(nss, rst, dio0);

  if (!LoRa.begin(433E6)) {
    Serial.println("LoRa init failed. Check your connections.");
      while (true);                           
  }

  Serial.println("LoRa init succeeded.");

}

void loop() {

  // try to parse packet

  int packetSize = LoRa.parsePacket();

  if (packetSize) {

    // received a packet

    Serial.print("\n Received packet : ");

    // read packet

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

    }

 

  }
}