tmk
9 years ago
1 changed files with 2 additions and 13 deletions
+ 2
- 13
keyboard/hhkb_rn42/rn42/battery.c
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| @@ -20,7 +20,6 @@ void battery_init(void) | |||
| // Ref:2.56V band-gap, Input:ADC0(PF0), Prescale:128(16MHz/128=125KHz) | |||
| ADMUX = (1<<REFS1) | (1<<REFS0); | |||
| ADCSRA = (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0); | |||
| ADCSRA |= (1<<ADEN); | |||
| // digital input buffer disable(24.9.5) | |||
| DIDR0 = (1<<ADC0D) | (1<<ADC4D) | (1<<ADC5D) | (1<<ADC7D); | |||
| DIDR1 = (1<<AIN0D); | |||
| @@ -92,23 +91,13 @@ uint16_t battery_voltage(void) | |||
| PORTF |= (1<<4); | |||
| volatile uint16_t bat; | |||
| //ADCSRA |= (1<<ADEN); | |||
| // discard first result | |||
| ADCSRA |= (1<<ADSC); | |||
| while (ADCSRA & (1<<ADSC)) ; | |||
| bat = ADC; | |||
| // discard second result | |||
| ADCSRA |= (1<<ADSC); | |||
| while (ADCSRA & (1<<ADSC)) ; | |||
| bat = ADC; | |||
| ADCSRA |= (1<<ADEN); | |||
| ADCSRA |= (1<<ADSC); | |||
| while (ADCSRA & (1<<ADSC)) ; | |||
| bat = ADC; | |||
| //ADCSRA &= ~(1<<ADEN); | |||
| ADCSRA &= ~(1<<ADEN); | |||
| // ADC disable voltate divider(PF4) | |||
| DDRF |= (1<<4); | |||
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