// 1: pwmled 2: 1.1V, ADC2,1 (PA2,1), gain 20
_BV(REFS1) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1),
// 2: pwmled 3: 1.1V, ADC4 (PA5), single-ended
- // _BV(REFS1) | _BV(MUX2),
- // 2: for testing the same as 1
- _BV(REFS1) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1),
+ _BV(REFS1) | _BV(MUX2),
// 3: ambient light: 1.1V, ADC5 (PA6), single-ended
_BV(REFS1) | _BV(MUX2) | _BV(MUX0),
// 4: batt voltage: 1.1V, ADC6 (PA7), single-ended