Problem with digital Potentionmeter controling a 555 Timer

   unsigned char bou[9];
  
void sendDATA()
{
   unsigned char counter = 0;     //Declare and initialize the counter
  
   RB3_bit = 1;                   //Initiate communication through RST
   Delay_us(50);

   while(counter<9)
   {
         if(RB4_bit == 0)
         {
            counter = counter + 1;   //counting pulse on the low
            RB2_bit = bou[counter];  //Send Data
            Delay_us(30);
         }

      RB4_bit = ~ RB4_bit;        //toggle the clock
      Delay_us(50);                //Duty cycle
   }
  
   RB4_bit = 0;
   RB3_bit = 0;                   //Stop communication through RST
}


void main(){

   ANSEL = 0;           // pins are configured as digital I/O

   TRISA = 0xFF;           // set PORTA direction to be input
   TRISB = 0x00;           // set PORTB direction to be output

   PORTB = 0;

   do{
        if(RA2_bit == 0)
        {
          bou[0]=1;
          bou[1]=1;
          bou[2]=1;
          bou[3]=0;
          bou[4]=1;
          bou[5]=0;
          bou[6]=1;
          bou[7]=1;
          bou[8]=0;
        
          sendDATA();
        }

        if(RA3_bit == 0)
        {
          bou[0]=0;
          bou[1]=0;
          bou[2]=1;
          bou[3]=0;
          bou[4]=0;
          bou[5]=1;
          bou[6]=0;
          bou[7]=0;
          bou[8]=0;
        
          sendDATA();
        }
   }while(1);
}

unsigned char bou[17];

void sendDATA()
{
  unsigned char counter = 0;  //Declare and initialize the counter

  RB3_bit = 1;  //Initiate communication through RST
  Delay_us(50);

  while(counter<17)
  {
  if(RB4_bit == 0)
  {
  counter = counter + 1;  //counting pulse on the low
  RB2_bit = bou[counter];  //Send Data
  Delay_us(30);
  }

  RB4_bit = ~ RB4_bit;  //toggle the clock
  Delay_us(50);  //Duty cycle
  }

  RB4_bit = 0;
  RB3_bit = 0;  //Stop communication through RST
}


void main(){

  ANSEL = 0;  // pins are configured as digital I/O

  TRISA = 0xFF;  // set PORTA direction to be input
  TRISB = 0x00;  // set PORTB direction to be output

  PORTB = 0;

  do{
  if(RA2_bit == 0)
  {
  bou[0]=0;
  bou[1]=1;
  bou[2]=1;
  bou[3]=1;
  bou[4]=1;
  bou[5]=1;
  bou[6]=0;
  bou[7]=0;
  bou[8]=0;
  bou[9]=0;
  bou[10]=0;
  bou[11]=0;
  bou[12]=0;
  bou[13]=0;
  bou[14]=0;
  bou[15]=0;
  bou[16]=0;

  sendDATA();
  }

  if(RA3_bit == 0)
  {
  bou[0]=0;
  bou[1]=1;
  bou[2]=1;
  bou[3]=0;
  bou[4]=0;
  bou[5]=0;
  bou[6]=0;
  bou[7]=0;
  bou[8]=0;
  bou[9]=0;
  bou[10]=0;
  bou[11]=0;
  bou[12]=0;
  bou[13]=0;
  bou[14]=0;
  bou[15]=0;
  bou[16]=0;

  sendDATA();
  }
  }while(1);
}