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ryo1kato/analogReadPS.cpp

Created March 31, 2017 08:39
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analogReadPS.cpp
int analogReadPS(uint8_t pin) {
ACSR &= ~ _BV(ACD); // Enablethe analog comparator
bitClear(PRR, PRADC); // power up ADC
ADCSRA |= _BV(ADEN);
unsigned int reading = analogRead(pin);
ADCSRA &= ~_BV(ADEN);
bitSet(PRR, PRADC); // power down ADC
ACSR |= _BV(ACD); //Disable the analog comparator
return reading;
}
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