[Hỏi] đọc 6 chân ADC XUẤT RA 9 LED 7

[levuphuong]

hôm bữa mọi chuyện chay bình thường rồi
hôm nay tự do đổi sang dung bjt pnp thì sao nó ko chuyên 1.2.3 sang 4.5.6 nữa anh xem code hay mach em có lỗi lầm j không.

#include <16F877A.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#device 16F877*=16 ADC=10 
#use delay(clock=12000000)
#byte portb=0x06
#byte portc=0x07
#byte portd=0x08
#byte intcon=0x000B
#bit RBIF=intcon.0 
#bit RBIE=intcon.3 
Int16 ad1,ad2,ad0;
int8 a,a0,a1,a2,b0,b1,b2,c0,c1,c2 ;
const unsigned char digital[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,0x09} ;

#int_rb
void ngatrb7()
{
if(input(PIN_B7)==0 )
a=a+1;
}
void doc_ADC()
{
   if(a%2==0)
   {
   set_ADC_channel(0);
   ad0=read_ADC();
   delay_us(10) ;
  

   set_ADC_channel(1);  
   ad1=read_ADC();
   delay_us(10) ;
   
   set_adc_channel(2);   
   ad2=read_ADC() ;
   delay_us(10) ;
   portd=0x00 ;
   }
   else
   {
    set_ADC_channel(3);
   ad0=read_ADC();
   delay_us(10) ;
  

   set_ADC_channel(4);  
   ad1=read_ADC();
   delay_us(10) ;
   
   set_adc_channel(5);   
   ad2=read_ADC() ;
   delay_us(10) ;
   portd=0xff ;
   }
}
void main()
{

set_tris_d(0) ;
set_tris_b(0b11110000);
set_tris_c(0);
setup_ADC(ADC_clock_internal);
setup_adc_ports(ALL_ANALOG);

enable_interrupts(global);
enable_interrupts(int_rb);
ext_int_edge(h_to_l);

while(true)
{
doc_ADC() ;

portb=0x01 ;
c0=ad0/100 ;
portd=digital[c0] ;
portb=0x02 ;
c1=ad1/100 ;
portd=digital[c1] ;
portb=0x04 ;
c2=ad2/100 ;
portd=digital[c2];
portc=0x06 ;
delay_ms(2) ;
portc=0x07 ;

///chu hang chuc
portb=0x01;
b0=(ad0%100)/10 ;
portd=digital[b0] ;
portb=0x02;
b1=(ad1%100)/10 ;
portd=digital[b1] ;
portb=0x04 ;
b2=(ad2%100)/10 ;
portd=digital[b2] ;
portc=0x05 ;
delay_ms(2) ;
portc=0x07 ;

////chu hang don vi
portb=0x01 ;
a0=(ad0%10)%10 ;
portd=digital[a0] ;
portb=0x02 ;
a1=(ad1%10)%10 ;
portd=digital[a1] ;
portb=0x04 ;
a2=(ad2%10)%10 ;
portd=digital[a2];
portc=0x03;
delay_ms(2) ;
portc=0x07 ;

}
}