Lpc2000

Hi how are u all please i need some help here
my code uses the ADC to enter the interrupt it doesn't work



#include <targets/LPC213x.h>

static int timer0Count, timer1Count;

void init_ADC(void)
{
   
    PINSEL0 |= 0x00000300;  //  select pin0.4 as AD pin AD0.6
    PCONP   |= 0x00001000;  // enable the power to ADC.0
    AD0CR = 0x00214040;  //  configure the AD & run at 88Khz clk at 
CLK_DIV = 40
}


int ADC_Data(void)
{
    int data_sample ;
    int channel ;  // we work on channel 6  ,  AD0.6
    int value;
          value = AD0DR;
         channel = ((value >> 24 ) & 0x00000007);
         if (channel == 6)
            {

               data_sample = ((value >> 6 ) & 0x000003ff);
               
               return data_sample ;
            }
              
}


static void timer0ISR(void) __attribute__ ((interrupt ("IRQ")));

static void
timer0ISR(void)
{
  if (++timer0Count % 2)
   
  
  VICVectAddr = 0;
}



int
main(void)
{

   init_ADC();
  
  VICIntSelect &= ~0x00040000;
 
  VICIntEnable = 0x00040000;

  VICVectCntl0 = 0x32;

  VICVectAddr0 = (unsigned int)timer0ISR;

  __ARMLIB_enableIRQ();

  while (timer0Count < 5);

  return 0; 
}


thanks