diff options
Diffstat (limited to 'cores/arduino/wiring_analog.c')
| -rw-r--r-- | cores/arduino/wiring_analog.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c index a6b63e3..c99325f 100644 --- a/cores/arduino/wiring_analog.c +++ b/cores/arduino/wiring_analog.c @@ -55,10 +55,8 @@ int analogRead(uint8_t pin) #else if (pin >= 14) pin -= 14; // allow for channel or pin numbers #endif - -#if defined(__AVR_ATmega32U4__) - ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5); -#elif defined(ADCSRB) && defined(MUX5) + +#if defined(ADCSRB) && defined(MUX5) // the MUX5 bit of ADCSRB selects whether we're reading from channels // 0 to 7 (MUX5 low) or 8 to 15 (MUX5 high). ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5); |