//w3Lcd0 pin definitions:
sbit w3Lcd0_EN    at LATC5_bit;
sbit w3Lcd0_DATA  at LATC3_bit;
sbit w3Lcd0_CLOCK at LATC4_bit;
sbit led_lcd   at LATC2_bit;
sbit w3Lcd0_EN_Direction    at TRISC5_bit;
sbit w3Lcd0_DATA_Direction  at TRISC3_bit;
sbit w3Lcd0_CLOCK_Direction at TRISC4_bit;
sbit led_lcd_Direction      at TRISC2_bit;
//************************************//

//***************************** define speaker ***************************//
sbit speaker at LATD4_bit;
sbit speaker_dir at TRISD4_bit;

//****************************define variable && function ***************
char display_flag=0 , x=0;
unsigned char port0,port1;
void display();
//***************** end   define variable && function **********************//
void init_pic()
{
 ANSELA=0;
 ANSELB=0;
 ANSELC=0;
 ANSELD=0;
 ANSELE=0;
 SLRCON=0;

//************************************************************************//
 speaker_dir=0; speaker=0;
 //*********************************************************************//
   //*************** I2C ********************
   I2C2_Init(400000);
  config_port0(255,0x40);//address =0b0100 A2 A1 A0 R/W
  config_port1(0,0x40);
  write_port1(0xAA,0x40);
//********************************************//
  //***LCD ***//
   led_lcd_Direction=0;// lcd led
   led_lcd=1;// on led for lcd
   w3Lcd0_Init();
   w3Lcd0_Command(_lcd_cursor_off);   // to turn off Cursor
    w3Lcd0_GotoYX(0,0);
   w3Lcd0_CstrOut("welcome");
    Delay_ms(1000);  /* One second pause */
   w3Lcd0_Command(_lcd_clear);  // to turn off Cursor
    w3Lcd0_GotoYX(0,0);
    w3Lcd0_CstrOut("IN:");
    w3Lcd0_GotoYX(1,0);
    w3Lcd0_CstrOut("OUT:");
}
void main()
{
 init_pic();
 speaker=1;
 delay_ms(1000);
 speaker=0;

 while(1)
     {
       port0=read_port0(0x40);
       delay_ms(100);
       display();
       write_port1(port0,0x40);
     }
}

//******************************************//
void display()
{
 unsigned char input_value ;
 display_flag=0;
 w3Lcd0_GotoYX(0,8);
 for(x=0;x<8;x++)
     {
       if(port0&(1<<x)) w3Lcd0_WriteChar('1');
       else w3Lcd0_WriteChar('0');
     }
 w3Lcd0_GotoYX(1,8);

 port1=read_port1(0x40);
 for(x=0;x<8;x++)
     {
       if(port1&(1<<x)) w3Lcd0_WriteChar('1');
       else w3Lcd0_WriteChar('0');
     }


}