LoRa packets gets 2 extra bytes?

Projects Networking, Protocols, and Devices
2 
#include <SPI.h>
#include <MKRWAN.h>
#include <SD.h>
//#include <ArduinoLowPower.h>
#include <Arduino_MKRENV.h>
#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_SHT31.h>
#include <SensirionI2CScd4x.h>
#include <microDS18B20.h>
#include <LoRa.h>

const int SD_CS_PIN = 4;
uint8_t ID_packet = 1;
uint16_t val_watermark;
float ds18b_temp;
File dataFile;

uint8_t pachet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

//declarare senzor
Adafruit_SHT31 sht31 = Adafruit_SHT31();

//declarare senzor
SensirionI2CScd4x scd4x;

//declarare senzor
MicroDS18B20<0> DS18B20;

void setup() {
  Serial.begin(9600);
  Serial.println("LoRa message service");
  if (!LoRa.begin(868E6)) {
    Serial.println("Starting LoRa failed!");
    while (1);
  }
  
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);
  digitalWrite(5, LOW);
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  SPI.begin();
  SD.begin(SD_CS_PIN);
  dataFile = SD.open("log-0003.csv", FILE_WRITE);
  delay(1000);
  dataFile.println("VOLTAGE, ILLUMINANCE, PRESSURE, NODE TEMPERATURE, NODE HUMIDITY, UVA, UVB, AIR TEMPERATURE, AIR HUMIDITY, SOIL TEMPERATURE, CO2, SOIL TENSION,SOIL HUMIDITY 1, SOIL HUMIDITY 2");
  // close the file
  dataFile.close();
}

void loop() {
  //setup
  digitalWrite(5, HIGH);  //supply voltage
  delay(100);
  
  //ENV shield initialization
  ENV.begin();
  
  //I2C address SHT31 initialization
  sht31.begin(0x44);
  
  //SCD41 initialization
  Wire.begin();
  uint16_t error;
  scd4x.begin(Wire);
  error = scd4x.startPeriodicMeasurement();
  uint16_t co2;
  uint16_t temperature;
  uint16_t humidity;
  
  //DS18B20 initialization
  DS18B20.requestTemp();
  
  //Watermark initialization
  digitalWrite(2, HIGH);
  delay(2500);
  int val_watermark1 = 1024 - analogRead(A5);
  digitalWrite(2, LOW);
  digitalWrite(3, HIGH);
  delay(2500);
  int val_watermark2 = analogRead(A5);
  digitalWrite(3, LOW);
  int val_watermark = int((val_watermark1 + val_watermark2) / 2);
  
  //SDcard initialization
  dataFile = SD.open("log-0003.csv", FILE_WRITE);



  //node battery voltage
  int voltage;
  voltage = analogRead(A6);
  uint16_t word_voltage = (voltage + 1024);       //1024= 1 00 0000 0000 node ID=1
  //to decode ID: ID = high_word_voltage & 0xFC (1111 1100)
  uint8_t high_word_voltage = word_voltage >> 8;
  uint8_t low_word_voltage = word_voltage;

  pachet[0] = high_word_voltage;
  pachet[1] = low_word_voltage;

  //ENV shield
  //ENV illuminance
  float env_illuminance = ENV.readIlluminance();
  uint16_t word_illuminance = env_illuminance * 100;
  uint8_t high_word_illuminance = word_illuminance >> 8;
  uint8_t low_word_illuminance = word_illuminance;
  pachet[2] = high_word_illuminance;
  pachet[3] = low_word_illuminance;

  //ENV pressure
  float env_pressure = ENV.readPressure();
  uint16_t word_pressure = env_pressure * 100;
  uint8_t high_word_pressure = word_pressure >> 8;
  uint8_t low_word_pressure = word_pressure;
  pachet[4] = high_word_pressure;
  pachet[5] = low_word_pressure;

  //ENV temperature
  float env_temp = ENV.readTemperature();
  uint16_t word_temp = env_temp * 100;
  uint8_t high_word_temp = word_temp >> 8;
  uint8_t low_word_temp = word_temp;
  pachet[6] = high_word_temp;
  pachet[7] = low_word_temp;

  //ENV humidity
  float env_hum = ENV.readHumidity();
  uint16_t word_hum = env_hum * 100;
  uint8_t high_word_hum = word_hum >> 8;
  uint8_t low_word_hum = word_hum;
  pachet[8] = high_word_hum;
  pachet[9] = low_word_hum;

  //ENV UVA
  float env_uva = ENV.readUVA();
  uint16_t word_uva = env_uva * 100 + 32768;
  uint8_t high_word_uva = word_uva >> 8;
  uint8_t low_word_uva = word_uva;
  pachet[10] = high_word_uva;
  pachet[11] = low_word_uva;

  //ENV UVB
  float env_uvb = ENV.readUVB();
  uint16_t word_uvb = env_uvb * 100 + 32768;
  uint8_t high_word_uvb = word_uvb >> 8;
  uint8_t low_word_uvb = word_uvb;
  pachet[12] = high_word_uvb;
  pachet[13] = low_word_uvb;

  //SHT31
  float temp = sht31.readTemperature();
  float hum = sht31.readHumidity();

  uint16_t word_sht_temp = temp * 100;
  uint16_t word_sht_hum = hum * 100;
  uint8_t high_word_sht_temp = word_sht_temp >> 8;
  uint8_t low_word_sht_temp = word_sht_temp;
  uint8_t high_word_sht_hum = word_sht_hum >> 8;
  uint8_t low_word_sht_hum = word_sht_hum;

  pachet[14] = high_word_sht_temp;
  pachet[15] = low_word_sht_temp;
  pachet[16] = high_word_sht_hum;
  pachet[17] = low_word_sht_hum;

  //DS18B20
  ds18b_temp = DS18B20.getTemp();
  uint16_t word_ds18b = ds18b_temp * 100;
  uint8_t high_word_ds18b = word_ds18b >> 8;
  uint8_t low_word_ds18b = word_ds18b;

  pachet[18] = high_word_ds18b;
  pachet[19] = low_word_ds18b;

  //SCD41
  error = scd4x.readMeasurement(co2, temperature, humidity);
  uint8_t high_word_co2 = co2 >> 8;
  uint8_t low_word_co2 = co2;

  pachet[20] = high_word_co2;
  pachet[21] = low_word_co2;
  error = scd4x.stopPeriodicMeasurement();

  //Watermark
  uint8_t high_word_watermark = val_watermark >> 8;
  uint8_t low_word_watermark = val_watermark;

  pachet[22] = high_word_watermark;
  pachet[23] = low_word_watermark;

  //Soil humidity
  uint16_t soil1 = analogRead(A0);
  uint16_t soil2 = analogRead(A1);
  uint8_t high_word_soil1 = soil1 >> 8;
  uint8_t low_word_soil1 = soil1;
  uint8_t high_word_soil2 = soil2 >> 8;
  uint8_t low_word_soil2 = soil2;

  pachet[24] = high_word_soil1;
  pachet[25] = low_word_soil1;
  pachet[26] = high_word_soil2;
  pachet[27] = low_word_soil2;



  //creating and sending packet
  Serial.println(" ");
  for(int i=0; i<28; i++)
  {
    if(pachet[i]==0)
      {
        pachet[i]=1;
      }
      
    Serial.print(pachet[i]);
    Serial.print(" ");
  }

  Serial.println();
  
  LoRa.beginPacket();

  LoRa.print((char*)pachet);

  delay(1000);

  LoRa.endPacket();




  //write SDcard data
  //dataFile = SD.open("log-0003.csv", FILE_WRITE);
  dataFile.print(voltage * 3.22);
  dataFile.print(",");
  dataFile.print(env_illuminance);
  dataFile.print(",");
  dataFile.print(env_pressure);
  dataFile.print(",");
  dataFile.print(env_temp);
  dataFile.print(",");
  dataFile.print(env_hum);
  dataFile.print(",");
  dataFile.print(env_uva);
  dataFile.print(",");
  dataFile.print(env_uvb);
  dataFile.print(",");
  dataFile.print(temp);
  dataFile.print(",");
  dataFile.print(hum);
  dataFile.print(",");
  dataFile.print(ds18b_temp);
  dataFile.print(",");
  dataFile.print(co2);
  dataFile.print(",");
  dataFile.print(val_watermark * 3.22);
  dataFile.print(",");
  dataFile.print(soil1 * 3.22);
  dataFile.print(",");
  dataFile.println(soil2 * 3.22);
  dataFile.close();
  
  //serial data display
  Serial.print(voltage * 6.44); //3.22*2=6.44
  Serial.print(" mV, ");
  Serial.print(env_illuminance);
  Serial.print(" lux, ");
  Serial.print(env_pressure);
  Serial.print(" kPa, ");
  Serial.print(env_temp);
  Serial.print(" *C, ");
  Serial.print(env_hum);
  Serial.print(" %, ");
  Serial.print(env_uva);
  Serial.print(" uva, ");
  Serial.print(env_uvb);
  Serial.print(" uvb, ");
  Serial.print(temp);
  Serial.print(" *C, ");
  Serial.print(hum);
  Serial.print(" %, ");
  Serial.print(ds18b_temp);
  Serial.print(" *C, ");
  Serial.print(co2);
  Serial.print(" ppm, ");
  Serial.print(val_watermark * 3.22);
  Serial.print(" mV, ");
  Serial.print(soil1 * 3.22);
  Serial.print(" mV, ");
  Serial.print(soil2 * 3.22);
  Serial.println(" mV ");
  digitalWrite(5, LOW); //cut the voltage
  //ENV shield shutdown
  ENV.end();
  delay(3000);
}