extern void wait_ms(int miliSec);
extern void lcd_send(char data);
extern void lcd_cmd(char cmd);
extern void lcd_on(void);
extern  void wait_us(int mikroSec);
extern void lcd_init(void);
extern void lcd_write(char text);
extern void lcd_write_str(char* pText);
extern void lcd_home(void);
extern void lcd_goto(int row, int col);
extern void lcd_clear(void);