rak811-bme280-lpp.ino

#include <CayenneLPP.h>
#include <Adafruit_BME280.h>
#include "RAK811.h"
#include "SoftwareSerial.h"
#define WORK_MODE LoRaWAN   //  LoRaWAN or LoRaP2P
#define JOIN_MODE OTAA    //  OTAA or ABP
#if JOIN_MODE == OTAA
String DevEui = "xxx"; // Fill this out
String AppEui = "xxx"; // Fill this out
String AppKey = "xxx"; // Fill This out
#else JOIN_MODE == ABP
String NwkSKey = "";
String AppSKey = "";
String DevAddr = "";
#endif
#define TXpin 11   // Set the virtual serial port pins
#define RXpin 10
#define DebugSerial Serial

Adafruit_BME280 bme; // I2C
CayenneLPP lpp(51);
SoftwareSerial RAKSerial(RXpin,TXpin);    // Declare a virtual serial port

int RESET_PIN = 12;
bool InitLoRaWAN(void);
RAK811 RAKLoRa(RAKSerial,DebugSerial);

void setup() {
 //Define Reset Pin
 pinMode(RESET_PIN, OUTPUT);
 //Setup Debug Serial on USB Port
 DebugSerial.begin(9600);
 while(DebugSerial.read()>= 0) {}
 while(!DebugSerial);
 //Print debug info
 DebugSerial.println("StartUP");
 DebugSerial.println("Reset");
 //Reset the RAK Module
 digitalWrite(RESET_PIN, LOW);   // turn the pin low to Reset
 digitalWrite(RESET_PIN, HIGH);    // then high to enable
 DebugSerial.println("Success");
 RAKSerial.begin(9600); // Arduino Shield
 delay(100);
 DebugSerial.println(RAKLoRa.rk_getVersion());
 delay(200);
 DebugSerial.println(RAKLoRa.rk_getBand());
 delay(200);

 while (!InitLoRaWAN());

    bme.begin();  


}
bool InitLoRaWAN(void)
{
  RAKLoRa.rk_setWorkingMode(WORK_MODE);
  RAKLoRa.rk_recvData();
  RAKLoRa.rk_recvData();
  if ( RAKLoRa.rk_recvData() == "OK")
  {

    if (RAKLoRa.rk_initOTAA(DevEui, AppEui, AppKey))
    {
      DebugSerial.println("You init OTAA parameter is OK!");
      while (RAKLoRa.rk_joinLoRaNetwork(JOIN_MODE))
      {
        bool flag = false;
        for (unsigned long start = millis(); millis() - start < 90000L;)
        {
          String ret = RAKLoRa.rk_recvData();
          if (ret.startsWith(STATUS_JOINED_SUCCESS))
          {
            DebugSerial.println("You join Network success!");
            return true;
          }
          else if (ret.startsWith(STATUS_RX2_TIMEOUT) || ret.startsWith(STATUS_JOINED_FAILED))
          {
            DebugSerial.println("You join Network Fail!");
            flag = true;
            DebugSerial.println("The device will try to join again after 5s");
            delay(5000);
          }
        }
        if (flag == false)
        {
          DebugSerial.println("Pleases Reset the module!");
          delay(1000);
          return false;
        }
      }
    }
  }
     return false;
}

void loop() {

  Serial.print("Temperature = ");
  Serial.print(bme.readTemperature());
  Serial.println(" *C");

  lpp.reset();
  lpp.addTemperature(1, bme.readTemperature());
    
  char buildBuffer[4] = {0};
  char compositionBuffer[lpp.getSize()*2+1] = {0};  // this will hold a string we build

  for (int i = 0; i < lpp.getSize(); i++) {
    sprintf( buildBuffer, "%02X", (uint8_t)lpp.getBuffer()[i]);
    strcat( compositionBuffer, buildBuffer);
  }
  DebugSerial.print(compositionBuffer);
  DebugSerial.println(" (HEX)");
  
  int packetsflag = 1; // 0: unconfirmed packets, 1: confirmed packets
  if (RAKLoRa.rk_sendData(packetsflag, 1, compositionBuffer ))
  {
    for (unsigned long start = millis(); millis() - start < 90000L;)
    {
      String ret = RAKLoRa.rk_recvData();
      if (ret.startsWith(STATUS_TX_COMFIRMED) || ret.startsWith(STATUS_TX_UNCOMFIRMED))
      {
        DebugSerial.println("Send data ok!");
        delay(60000);
        return;
      }
    }
    DebugSerial.println("Send data error!");
    while (1);
  }
}