//my first own writing pro(19-03-23)
void init_port(void);
void outdata(char);
void outcountrol(char);
void init_lcd(void);
void write_data(char);
void lcd_countral_write(void);
void delay1(int);
void setup() {
  init_port();
  init_lcd();
  write_data("  AARAV");
}
void write_data(char *ptr)
{
  while(*ptr!=0)
  {
    write_data(*ptr);
    delay1(10);
    ptr++;
  }
}
void init_port()
{
  volatile char *portf_dir=(volatile char*)0x30;
  volatile char *portk_dir=(volatile char*)0x107;
  *portf_dir=0xFF;
  *portk_dir=0x03;
}
void outdata(char out_data)
{
  volatile char *portf_data=(volatile char*)0x31;
  *portf_data=out_data;
}
void outcountrol(char out_data)
{
  volatile char *portk_data=(volatile char*)0x108;
  *portk_data=out_data;
}
void init_lcd(void)
{

  outdata(0x38); // * bit 2 Line function set
  lcd_countral_write();
  outdata(0x0F); // Display on/off Control
  lcd_countral_write();
  outdata(0x01); // Clear display
  lcd_countral_write();
  outdata(0x07); //Entry mode
  lcd_countral_write();
//-------------------------------------------
//2 line left display
   outdata(0x18);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
  lcd_countral_write();
  
  //-------------------------------------
  //2 line middle- display
  outdata(0x1C);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
    outdata(0x14);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x1C);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x14);// Cursor or Display shift
  lcd_countral_write();
  outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
    outdata(0x14);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x1C);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x14);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x14);// Cursor or Display shift
   lcd_countral_write();
   outdata(0x10);// Cursor or Display shift
   lcd_countral_write();
}
void write_data(char wr_data)
{
   outdata(wr_data);
   outcountrol(0x02);
   delay1(1);
   outcountrol(0x03);
   delay1(1);
   outcountrol(0x02);
   delay1(1);
}
void lcd_countral_write(void)
{
  outcountrol(0x01);
  delay1(1);
  outcountrol(0x00);
  delay1(1);
}
void delay1(int count)
{
  volatile long i;
  while(count)
  {
  for(i=0;i<1000;i++);
  count--;
  }
}
void loop() {
  // put your main code here, to run repeatedly:

}