#include <SoftwareSerial.h>

// On LinkIt 7697, the RX pin must be one of the EINT pins, such as P2 and P3.
// There are no limitations on TX pin.
//SoftwareSerial mySerial(3, 11); // RX, TX



#include "DHT.h"
#define DHTPIN 2     // what digital pin we're connected to
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
SoftwareSerial mySerial(5, 4);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  while (!Serial) {
    ;
  }
  Serial.println("DHTxx test!");

  mySerial.begin(115200);
  while (!mySerial) {
    ;
  }
  dht.begin();


  pinMode(12, OUTPUT);  //for rest EK-S76SXB
  digitalWrite(12, LOW);   //for rest EK-S76SXB
  delay(100);                       // wait for 0.1 second
  pinMode(12, INPUT);  //for rest EK-S76SXB
  delay(2000);

  mySerial.print("mac join abp");  //reset the board
  Serial.println("mac join abp");
  delay(5000);

  mySerial.print("mac tx ucnf 2 8888888888");  //reset the board
  Serial.println("mac tx ucnf 2 8888888888"); //just for test

  delay(5000);

}

int val_h;   //humidity int part
int val_hp;  //humidity point part
int val_t;   //add 溫度
int val_tp;  //add 溫度 point part
String lora_string; //string for TX


void loop() {
  float h = dht.readHumidity();            // Read temperature as Celsius (the default)
  float t = dht.readTemperature();         // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);
  if (isnan(h) || isnan(t) || isnan(f)) {  //如果讀不到值就代表沒讀到sensor
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  float hif = dht.computeHeatIndex(f, h);
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C ");
  Serial.print(f);
  Serial.print(" *F\t");
  Serial.print("Heat index: ");
  Serial.print(hic);
  Serial.print(" *C ");
  Serial.print(hif);
  Serial.println(" *F");


////////////next for LoRa tx ////////////////////////////////////////////////////////////
//hum 以下處理濕度
  val_h = (int) h;
  val_hp=int ((h-val_h)*100);
  lora_string="mac tx ucnf 2 01"; //for tx header
  if (val_h<10) lora_string+="0"; //for hex format
  lora_string+=val_h;
  if (val_hp<10) lora_string+="0";
  lora_string+=val_hp;
//temperture 以下處理溫度
  val_t = (int) t;
  val_tp=int ((t-val_t)*100);
  if (val_t<10) lora_string+="0";
  lora_string+=val_t;
  if (val_tp<10) lora_string+="0";
  lora_string+=val_tp;

  mySerial.print(lora_string);
  delay(3000);
}