diff options
Diffstat (limited to '')
| -rw-r--r-- | hw/hank/emisar-d3aa/hwdef.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/hw/hank/emisar-d3aa/hwdef.h b/hw/hank/emisar-d3aa/hwdef.h index 8677609..1001e5d 100644 --- a/hw/hank/emisar-d3aa/hwdef.h +++ b/hw/hank/emisar-d3aa/hwdef.h @@ -97,17 +97,20 @@ enum CHANNEL_MODES { #define SWITCH_INTFLG VPORTA.INTFLAGS #endif -// TODO: define stuff for the voltage divider -// AVR datasheet table 3.1 I/O Multiplexing, PA5 ADC0 = AIN25 -#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated -#define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN25_gc #define DUAL_VOLTAGE_FLOOR (4*21) // for AA/14500 boost drivers, don't indicate low voltage if below this level #define DUAL_VOLTAGE_LOW_LOW (4*7) // the lower voltage range's danger zone 0.7 volts (NiMH) -// don't use the default VDD converter -// convert BATT LVL pin readings to FSM volt units -#undef voltage_raw2cooked -uint8_t voltage_raw2cooked(uint16_t measurement); - +// comment out to use VDDIO2 instead of external voltage divider +//#define USE_VOLTAGE_DIVIDER +#ifdef USE_VOLTAGE_DIVIDER + // AVR datasheet table 3.1 I/O Multiplexing, PA5 ADC0 = AIN25 + #define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN25_gc + // don't use the default VDD converter + // convert BATT LVL pin readings to FSM volt units + #undef voltage_raw2cooked + uint8_t voltage_raw2cooked(uint16_t measurement); +#else + #define USE_VOLTAGE_VDDIO2 +#endif // average drop across diode on this hardware #ifndef VOLTAGE_FUDGE_FACTOR |