PS/2 keyboard with ATMEGA 32

unsigned short keydata = 0, special = 0, down = 0;


sbit PS2_Data         at PINC.B0;
sbit PS2_Clock_Input  at PINC.B1;
sbit PS2_Clock_Output at PORTC.B1;

sbit PS2_Data_Direction   at DDRC.B0;
sbit PS2_Clock_Direction  at DDRC.B1;

void main() {
  //PS_2_Data_Direction = 0;  //Data pin as input
  
  DDRC = 0x02;              //PORTC_1 as output
  
  UART1_Init(9600);        // Initialize UART module at 19200 bps
  Ps2_Config();             // Init PS/2 Keyboard
  Delay_ms(100);            // Wait for keyboard to finish


  do {
    if (Ps2_Key_Read(&keydata, &special, &down)) {
      if (down && (keydata == 16)) {// Backspace
       UART1_Write(0x08);
      }
      else if (down && (keydata == 13)) {// Enter
        UART1_Write('r');              // send carriage return to usart terminal
        //Usart_Write('n');             // uncomment this line if usart terminal also expects line feed
                                         // for new line transition
      }
      else if (down && !special && keydata) {
      if (down && !special && keydata) {
         UART1_Write(keydata);       //   and send data via UART
         }

      }
    }
    Delay_ms(10);            // debounce
   } while (1);
}