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movement: add low battery warning to simple clock

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This commit is contained in:
Joey Castillo 2022-02-05 17:42:43 -05:00
parent df0c2bfd80
commit 18302bf9c4
2 changed files with 16 additions and 0 deletions
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14
movement/watch_faces/clock/simple_clock_face.c
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@ -68,6 +68,20 @@ bool simple_clock_face_loop(movement_event_t event, movement_settings_t *setting
previous_date_time = state->previous_date_time;
state->previous_date_time = date_time.reg;
// check the battery voltage once a day...
if (date_time.unit.day != state->last_battery_check) {
state->last_battery_check = date_time.unit.day;
watch_enable_adc();
uint16_t voltage = watch_get_vcc_voltage();
watch_disable_adc();
// 2.2 volts will happen when the battery has maybe 5-10% remaining?
// we can refine this later.
state->battery_low = (voltage < 2200);
}
// ...and set the LAP indicator if low.
if (state->battery_low) watch_set_indicator(WATCH_INDICATOR_LAP);
if (date_time.reg >> 6 == previous_date_time >> 6 && event.event_type != EVENT_LOW_ENERGY_UPDATE) {
// everything before seconds is the same, don't waste cycles setting those segments.
pos = 8;

2
movement/watch_faces/clock/simple_clock_face.h
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@ -29,8 +29,10 @@
typedef struct {
uint32_t previous_date_time;
uint8_t last_battery_check;
uint8_t watch_face_index;
bool signal_enabled;
bool battery_low;
} simple_clock_state_t;
void simple_clock_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);