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("PARSING DATA MASBAY");
  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'){
      flag_parse = true; // marking progress
    }
  }
  if(flag_parse){
  parsing_data();
  flag_parse = false;
  data_In="";  // reset string buffer
  }
  
}

void parsing_data(){
  int j = 0;
  // Read data input from serial
  Serial.print("Isi data In: "); Serial.println(data_In);
  // Clearing Inisial Data
  DT[j] ="";
  // Basic Algorithm for parsing data
  for(i = 0; i < data_In.length(); i++){
    // checking sparator data frame in csv format --> data1; data2; data3;
    if(data_In[i] == ';'){
      j++;
      DT[j] =""; // Inisialisasi array DT[J]
    }else{
      DT[j] = DT[j] + data_In[i];
    }

  }
  // Serial.print("Data 0= ");Serial.println(DT[0]);
  // Serial.print("Data 1= ");Serial.println(DT[1]);
  // Serial.print("Data 2= ");Serial.println(DT[2]);
  // Serial.print("Data 3= ");Serial.println(DT[3]);
  /*
   Test Data: 1,0;2,0;3,0;4,0
   Test Data; 1,1;2,2;3,3;4,4
   */

  Serial.print("Data 0= ");Serial.println(DT[0].toFloat());
  Serial.print("Data 1= ");Serial.println(DT[1].toFloat());
  Serial.print("Data 2= ");Serial.println(DT[2].toFloat());
  Serial.print("Data 3= ");Serial.println(DT[3].toFloat());

  float sum;
  sum = DT[0].toFloat() + DT[1].toFloat();
  Serial.print("data penjumlahan= "); Serial.println(sum);

}