diff options
Diffstat (limited to '')
| -rw-r--r-- | hw/thefreeman/avr32dd20-devkit/hwdef.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/thefreeman/avr32dd20-devkit/hwdef.h b/hw/thefreeman/avr32dd20-devkit/hwdef.h index 7e093f9..7e1ad3d 100644 --- a/hw/thefreeman/avr32dd20-devkit/hwdef.h +++ b/hw/thefreeman/avr32dd20-devkit/hwdef.h @@ -35,7 +35,7 @@ * and low value Rsense (high current range, pin high) * IN- NFET : pull up after BST enable to eliminate startup flash, pull down otherwise * CH senses the status of the onboard charger - * LVL : ??? (unused?) + * BATT LVL : Vbat * (100.0/(330+100)) * LVB is for OTSM firmware, not used here */ @@ -109,8 +109,14 @@ enum CHANNEL_MODES { // TODO: define stuff for the voltage divider // AVR datasheet table 3.1 I/O Multiplexing, PA6 ADC0 = AIN26 -//#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated +#define USE_VOLTAGE_DIVIDER // use a dedicated pin, not VCC, because VCC input is regulated #define ADMUX_VOLTAGE_DIVIDER ADC_MUXPOS_AIN26_gc +#define DUAL_VOLTAGE_FLOOR 21 // for AA/14500 boost drivers, don't indicate low voltage if below this level +#define DUAL_VOLTAGE_LOW_LOW 7 // the lower voltage range's danger zone 0.7 volts (NiMH) +// convert BATT LVL pin readings to FSM volt units +#undef voltage_raw2cooked +uint16_t voltage_raw2cooked(uint16_t measurement); + // average drop across diode on this hardware #ifndef VOLTAGE_FUDGE_FACTOR @@ -148,7 +154,7 @@ inline void hwdef_setup() { //PORTA.PIN3CTRL = PORT_PULLUPEN_bm; // CH PORTA.PIN4CTRL = PORT_PULLUPEN_bm; PORTA.PIN5CTRL = PORT_PULLUPEN_bm; - PORTA.PIN6CTRL = PORT_PULLUPEN_bm; + //PORTA.PIN6CTRL = PORT_PULLUPEN_bm; // BATT LVL //PORTA.PIN7CTRL = PORT_PULLUPEN_bm; // HDR //PORTC.PIN0CTRL = PORT_PULLUPEN_bm; // doesn't exist |