Read ADC Value on interrupt basis

Read ADC Value on interrupt basis

#include<Arduino.h>
volatile int analogVal;

void setup()
{
Serial.begin(9600);

ADMUX=0xC0; /// 1.1 V refrrence, Right adjust, channel 0

bitWrite(ADCSRA,7,1); /// ADC Enabled

bitWrite(ADCSRA,5,1); /// Auto Triggering Enabled

ADCSRA |= B00000111; /// Pre Scaler to 1/128

bitWrite(ADCSRA,3,1); ///Enabling ADC Interrupt

sei(); /// Enables Global Interrupt

bitWrite(ADCSRA,6,1); ///Start Convertion
}

void loop()
{


}



ISR(ADC_vect)
{

  analogVal = ADCL + (ADCH << 8);
  Serial.println(analogVal,DEC);

   bitWrite(ADCSRA,6,1); ///Start Convertion
}