diff options
Diffstat (limited to 'spaghetti-monster/fsm-adc.c')
| -rw-r--r-- | spaghetti-monster/fsm-adc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/spaghetti-monster/fsm-adc.c b/spaghetti-monster/fsm-adc.c index 59d624b..7880238 100644 --- a/spaghetti-monster/fsm-adc.c +++ b/spaghetti-monster/fsm-adc.c @@ -81,10 +81,10 @@ inline void ADC_on() set_admux_voltage(); #ifdef USE_VOLTAGE_DIVIDER // disable digital input on divider pin to reduce power consumption - DIDR0 |= (1 << VOLTAGE_ADC_DIDR); + VOLTAGE_ADC_DIDR |= (1 << VOLTAGE_ADC); #else // disable digital input on VCC pin to reduce power consumption - //DIDR0 |= (1 << ADC_DIDR); // FIXME: unsure how to handle for VCC pin + //VOLTAGE_ADC_DIDR |= (1 << VOLTAGE_ADC); // FIXME: unsure how to handle for VCC pin #endif #if (ATTINY == 1634) //ACSRA |= (1 << ACD); // turn off analog comparator to save power @@ -231,6 +231,12 @@ static inline void ADC_voltage_handler() { static uint8_t lvp_timer = 0; #define LVP_TIMER_START (VOLTAGE_WARNING_SECONDS*ADC_CYCLES_PER_SECOND) // N seconds between LVP warnings + #ifdef NO_LVP_WHILE_BUTTON_PRESSED + // don't run if button is currently being held + // (because the button causes a reading of zero volts) + if (button_last_state) return; + #endif + uint16_t measurement; // latest ADC value |