void adcdata(void)
{
signed char value;
value=0x00;

ADCINT = 0;
ADBUSY = 1;

while(ADCINT == 0);

value = ADC0H;
ADCEN=0;

}

void main()
{
config();
ADCEN = 1; //enable ADC
delay(500000);
adcdata();
delay(500000);
}