ccs c de adc kontrolü(yardım)

#include <16F628A.h>
#device ADC=8
#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20000000) 
void main(void)
{ 
     int16 adc_value;
     setup_adc(ADC_CLOCK_DIV_2);
     setup_adc_ports(ALL_ANALOG); 
   while(TRUE)   {
     set_adc_channel(AN0);
      delay_us(10);
      adc_value = read_adc(); 
      output_bit(PIN_B0, (adc_value > 0));
      output_bit(PIN_B1, (adc_value > 32));
      output_bit(PIN_B2, (adc_value > 64));
      output_bit(PIN_B3, (adc_value > 96));
      output_bit(PIN_B4, (adc_value > 128));
      output_bit(PIN_B5, (adc_value > 160));
      output_bit(PIN_B6, (adc_value > 192));
      output_bit(PIN_B7, (adc_value > 224)); 
      }
}