Function readADCChannelWithReference

examples/AllProtocols/ADCUtils.hpp:101–116

* Conversion time is defined as 0.104 milliseconds by ADC_PRESCALE in ADCUtils.h. */

 * Conversion time is defined as 0.104 milliseconds by ADC_PRESCALE in ADCUtils.h.
 */
uint16_t readADCChannelWithReference(uint8_t aADCChannelNumber, uint8_t aReference) {
    WordUnionForADCUtils tUValue;
    ADMUX = aADCChannelNumber | (aReference << SHIFT_VALUE_FOR_REFERENCE);

    // ADCSRB = 0; // Only active if ADATE is set to 1.
    // ADSC-StartConversion ADIF-Reset Interrupt Flag - NOT free running mode
    ADCSRA = (_BV(ADEN) | _BV(ADSC) | _BV(ADIF) | ADC_PRESCALE);

    // wait for single conversion to finish
    loop_until_bit_is_clear(ADCSRA, ADSC);

    // Get value
    tUValue.UByte.LowByte = ADCL;
    tUValue.UByte.HighByte = ADCH;
    return tUValue.UWord;
}

/*
 * Conversion time is defined as 0.104 milliseconds by ADC_PRESCALE in ADCUtils.h.