String data_In;
String dt[10];
int i;
boolean flag_parse = false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, HEKO - PARSING DATA READY");
  data_In;
}

void loop() {
  // put your main code here, to run repeatedly:
if(Serial.available()>0){
  char inputchar = (char) Serial.read();
  data_In += inputchar;
  if(inputchar == '\n'){ //jika dinputchar menemukan enter, maka..
    flag_parse = true; // marking progress
    }
  }

  if(flag_parse){
  parsing_data();
  flag_parse = false;
  data_In = ""; // reset string buffer
  }
  
}

void parsing_data(){
  int j = 0;
  Serial.print("ISI DATA MASUK: ");Serial.println(data_In);
  dt[j] = "";
  for(i = 0; i < data_In.length(); i++){
    if(data_In[i] == ';' || data_In[i] == ','){ //jika data i menemukan ; atau , maka
      j++;
      dt[j] = "";
    }
    else{
      dt[j] = dt[j] + data_In[i];
    }
  }
  //Serial.print("DATA 1= ");Serial.println(dt[0]);
  //Serial.print("DATA 2= ");Serial.println(dt[1]);
  //Serial.print("DATA 3= ");Serial.println(dt[2]);
  //Serial.print("DATA 4= ");Serial.println(dt[3]);

  
  Serial.print("DATA 1= ");Serial.println(dt[0].toFloat());
  Serial.print("DATA 2= ");Serial.println(dt[1].toFloat());
  Serial.print("DATA 3= ");Serial.println(dt[2].toFloat());
  Serial.print("DATA 4= ");Serial.println(dt[3].toFloat());

  float sum;
  sum = dt[0].toFloat() + dt[1].toFloat();
  Serial.print("DATA PENJUMLAHAN= ");Serial.println(sum);

}