/* Get voltage */
      ADC10CTL1 = INCH_0;                     //Read ambient light sensor via ADC on A0
      //ADC10CTL1 = INCH_11;                  //Original code commented out, read the battery voltage, AVcc/2
      ADC10CTL0 = SREF_1 + ADC10SHT_2 + REFON + ADC10ON + ADC10IE + REF2_5V;
      __delay_cycles(240);
      ADC10CTL0 |= ENC + ADC10SC;          // Sampling and conversion start
      __bis_SR_register(CPUOFF + GIE);        // LPM0 with interrupts enabled
      results[1] = ADC10MEM;                  // Retrieve result