#define inktjet_pos_txt 5

byte Inktjet_CRC= 0x00;
byte Inktjet_ETX[] = {0x1B, 0x03};


void Inktjet_generate_code()
{
  char line[60] = {0x1B, 0x02, 0x1D, 0x00, 0x1C};

  Scroll_Line(line1_14, 14, 0);
  Scroll_Line(line2_14, 14, 1);
  
  dsp_info(line1_14,2);
  dsp_info(line2_14,3);
  
  Serial.println("");
  Serial.print("Inktjet --> Line 1 : ");
  for (int i = 0; i <= 13; i++) {
    line[inktjet_pos_txt + i] = line1_14[i];
    Serial.write(line1_14[i]);
  }
  
  Serial.println("");
  Serial.print("Inktjet --> Line 2 : ");
  for (int i = 0; i <= 13; i++) {
    line[inktjet_pos_txt + 14 + i] = line2_14[i];
    Serial.write(line2_14[i]);
  }

  line[inktjet_pos_txt + 28 + 0] = Inktjet_ETX[0];
  line[inktjet_pos_txt + 28 + 1] = Inktjet_ETX[1];

  Inktjet_Checksum(line, 0, inktjet_pos_txt + 28 + 1);
  
  line[inktjet_pos_txt + 28 + 2] = Inktjet_CRC;

  for (int i = 0; i <= (inktjet_pos_txt + 28 + 2); i++) {
    MySerial1.write(line[i]);
  }
}


void Inktjet_Checksum(char *cmd_line, int start_pos, int eind_pos)
{
  long val_crc = 0;

  //Checksum Calculation
  for (int i = start_pos; i <= eind_pos; i++) {
    if(cmd_line[i] != 0x1B) {
      val_crc = val_crc + cmd_line[i];
    }
  }

  Inktjet_CRC = 256 - (val_crc % 256);

  Serial.println("");
  Serial.print("Checksum : CRC = ");
  Serial.print(256- (val_crc% 256), HEX); 
  Serial.println("");  
}