float Gesamtverbrauch = 4304.676;
float Tarif1 = Gesamtverbrauch;
float Einspeisung = 19.720;
int32_t Leistung = 660;


int code0[312] = {0x1B, 0x1B, 0x1B, 0x1B, 0x01, 0x01, 0x01, 0x01, 0x76, 0x05, 0x01, 0x02, 0x03, 0x04, 0x62, 0x00, 0x62, 0x00, 0x72, 0x65, 0x00, 0x00, 0x01, 0x01, 0x76, 0x01, 0x0B, 0x0A,
                  0x01, 0x4C, 0x4F, 0x47, 0x00, 0x04, 0x01, 0x02, 0x03, 0x05, 0x01, 0x02, 0x03, 0x04, 0x0B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x72, 0x62, 0x01, 0x65, 0x01, 0xA7, 0x06, 0x80, 0x01, 0x63, 0x2D, 0x35, 0x00, 0x76, 0x05, 0x01, 0x02, 0x03, 0x04, 0x62, 0x00, 0x62, 0x00, 0x72, 0x65, 0x00, 0x00, 0x07, 0x01, 0x77, 0x01, 0x0B, 0x0A,
                  0x01, 0x4C, 0x4F, 0x47, 0x00, 0x04, 0x01, 0x02, 0x03, 0x07, 0x01, 0x00, 0x62, 0x0A, 0xFF, 0xFF, 0x72, 0x62, 0x01, 0x65, 0x01, 0xA7, 0x06, 0x7F, 0x77, 0x77, 0x07, 0x01, 0x00, 0x60, 0x32, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x4C, 0x4F, 0x47, 0x01, 0x77, 0x07, 0x01, 0x00, 0x60, 0x01, 0x00, 0xFF, 0x01, 0x01, 0x01, 0x01, 0x0B, 0x0A,
                  0x01, 0x4C, 0x4F, 0x47, 0x00, 0x04, 0x01, 0x02, 0x03, 0x01, 0x77, 0x07, 0x01, 0x00, 0x01, 0x08, 0x00, 0xFF, 0x65, 0x00, 0x1C, 0x01, 0x04, 0x01, 0x62, 0x1E, 0x52, 0xFF, 0x69, 0x00, 0x00, 0x00, 0x00, 0x02, 0x90, 0xD7, 0x66, 0x01, 0x77, 0x07, 0x01, 0x00, 0x01, 0x08, 0x01, 0xFF, 0x01, 0x01, 0x62, 0x1E, 0x52, 0xFF, 0x69, 0x00, 0x00, 0x00, 0x00, 0x02, 0x90, 0xD7, 0x66, 0x01, 0x77, 0x07, 0x01, 0x00, 0x01, 0x08, 0x02, 0xFF, 0x01, 0x01, 0x62, 0x1E, 0x52, 0xFF, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x77, 0x07, 0x01, 0x00, 0x02, 0x08, 0x00, 0xFF, 0x01, 0x01, 0x62, 0x1E, 0x52, 0xFF, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xF0, 0xBA, 0x01, 0x77, 0x07, 0x01, 0x00, 0x10, 0x07, 0x00, 0xFF, 0x01, 0x01, 0x62, 0x1B, 0x52, 0x00, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x94, 0x01, 0x01, 0x01, 0x63, 0xFE, 0xC6, 0x00, 0x76, 0x05, 0x01, 0x02, 0x03, 0x04, 0x62, 0x00, 0x62, 0x00, 0x72, 0x65, 0x00, 0x00, 0x02, 0x01, 0x71, 0x01, 0x63, 0xBB, 0xB5, 0x00, 0x1B, 0x1B, 0x1B, 0x1B, 0x1A, 0x00, 0x8E, 0xA8
                 };

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial2.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  uint32_t Gesamt = Gesamtverbrauch * 1000; // 1.8.0
  code0[175] = Gesamt >> 24;
  code0[176] = Gesamt >> 16;
  code0[177] = Gesamt >> 8;
  code0[178] = Gesamt >> 0;

  uint32_t Tarif = Tarif1 * 1000;           // 1.8.1
  code0[199] = Tarif >> 24;
  code0[200] = Tarif >> 16;
  code0[201] = Tarif >> 8;
  code0[202] = Tarif >> 0;

  uint32_t Einsp = Einspeisung * 1000;      // 2.8.0
  code0[247] = Einsp >> 24;
  code0[248] = Einsp >> 16;
  code0[249] = Einsp >> 8;
  code0[250] = Einsp >> 0;

 //  uint32_t Leist = Leistung ;          // Leistung
  //code0[271] = (Leist >> 24) & 0xFF;
  //code0[272] = (Leist >> 16) & 0xFF;
  // code0[273] = (Leist >> 8) & 0xFF;
  // code0[274] = (Leist >> 0) & 0xFF;


  for (int i = 0 ; i < 312; i++) {
    Serial2.write(code0[i]);
    //Serial.write(code0[i]);
  }
  Serial2.println();
  //Serial.println();
  for (int i = 267; i <=274; i++)
  {
    code0[i] = 0x00;
  }
  
  long plus = random(0,2);
  Serial.println(plus);
  if (plus == 1) {
    Leistung = Leistung + random(50, 2000);
    if (Leistung >= 10000) Leistung = 10000;
  } else {
    Leistung = Leistung - random(50, 2000);
  }
Serial.println(Leistung);
    if (Leistung < 0) {
      Leistung = Leistung * -1;
      code0[267] = 0xFF;
      code0[268] = 0xFF;
      code0[269] = 0xFF;
      code0[270] = 0xFF;
      code0[271] = (Leistung >> 24);
      code0[272] = (Leistung >> 16);
      code0[273] = (Leistung >> 8);
      code0[274] = (Leistung >> 0);
      if (code0[271] <= 9) {
        if (code0[271] == 0) {
          code0[271] = 0xFF;
          if (code0[272] <= 9) {
            if (code0[272] == 0) {
              code0[272] = 0xFF;
              if (code0[273] <= 9) {
                if (code0[273] == 0) {
                  code0[273] = 0xFF;
                  if (code0[274] <= 9) {
                    code0[274] = code0[274] + 0xF0;
                  }
                } else code0[273] = code0[273] + 0xF0;
              }
            } else code0[272] = code0[272] + 0xF0;
          }
        } else code0[271] = code0[271] + 0xF0;
      }
      Einspeisung += Leistung / 100;
    } else 
    {
      code0[271] = (Leistung >> 24);
      code0[272] = (Leistung >> 16);
      code0[273] = (Leistung >> 8);
      code0[274] = (Leistung >> 0);
      Gesamtverbrauch += Leistung / 100;    
    }

  
  Tarif1 = Gesamtverbrauch;

  delay(2000);
}