sbit LCD_RS at LATD2_bit;
sbit LCD_EN at LATD3_bit;
sbit LCD_D4 at LATD4_bit;
sbit LCD_D5 at LATD5_bit;
sbit LCD_D6 at LATD6_bit;
sbit LCD_D7 at LATD7_bit;
sbit LCD_RS_Direction at TRISD2_bit;
sbit LCD_EN_Direction at TRISD3_bit;
sbit LCD_D4_Direction at TRISD4_bit;
sbit LCD_D5_Direction at TRISD5_bit;
sbit LCD_D6_Direction at TRISD6_bit;
sbit LCD_D7_Direction at TRISD7_bit;

//-------------------- keypad --------------------//

int states[16];
void put_char(int i,unsigned int *port,unsigned int pin, char c)
{
 if(Button(port, pin, 1, 1))
                 states[i] = 1;
 if(Button(port, pin, 1, 0) && states[i])
 {
  if(c >= '0' && c <= '9' || c == ' ')
       Lcd_Chr_CP(c);
  else
      Lcd_Cmd(c);
  states[i] = 0;
 }
}
void main()
{
 Lcd_Init();
 TRISE |= 0b0000000011110000;
 TRISF |= 0b0000000011110000;
 TRISG |= 0b1111000000001111;
 do
 {
  put_char(1,&PORTE, 4, '1');
  put_char(2,&PORTF, 4, '2');
  put_char(3,&PORTG, 0, '3');
  put_char(4,&PORTE, 5, '4');
  put_char(5,&PORTF, 5, '5');
  put_char(6,&PORTG, 1, '6');
  put_char(7,&PORTE, 6, '7');
  put_char(8,&PORTf, 6, '8');
  put_char(9,&PORTG, 2, '9');
  put_char(10,&PORTF, 7, '0');
  put_char(11,&PORTG, 14, ' ');
  put_char(12,&PORTE, 7, _Lcd_Move_Cursor_Left);
  put_char(13,&PORTG, 3, _Lcd_Move_Cursor_Right);
  put_char(14,&PORTG, 12, _Lcd_First_Row);
  put_char(15,&PORTG, 13, _Lcd_Second_Row);
  put_char(0,&PORTG, 15, _Lcd_Clear);
 }while(1);
}