diff options
| -rw-r--r-- | src/avr/gpio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/avr/gpio.c b/src/avr/gpio.c index f144cd64..ec782501 100644 --- a/src/avr/gpio.c +++ b/src/avr/gpio.c @@ -280,7 +280,7 @@ gpio_adc_setup(uint8_t pin) } // Enable ADC - ADCSRA |= (1<<ADPS0)|(1<<ADPS1)|(1<<ADPS2)|(1<<ADEN); + ADCSRA = (1<<ADPS0)|(1<<ADPS1)|(1<<ADPS2)|(1<<ADEN); // Disable digital input for this pin #ifdef DIDR2 @@ -316,7 +316,7 @@ gpio_adc_sample(struct gpio_adc g) #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)) | (((g.chan >> 3) & 0x01) << MUX5); + ADCSRB = ((g.chan >> 3) & 0x01) << MUX5; #endif ADMUX = ADMUX_DEFAULT | (g.chan & 0x07); |