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#include <stdlib.h>
#include <string.h>
#include "voltage_face.h"
#include "watch.h"
void _voltage_face_update_display() {
char buf[14];
float voltage = (float)watch_get_vcc_voltage() / 1000.0;
sprintf(buf, "BA %4.2f V", voltage);
// printf("%s\n", buf);
watch_display_string(buf, 0);
}
void voltage_face_setup(movement_settings_t *settings, void ** context_ptr) {
(void) settings;
(void) context_ptr;
}
void voltage_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
watch_enable_adc();
// if we set the reference voltage here, watch_get_vcc_voltage won't do it over and over
watch_set_analog_reference_voltage(ADC_REFERENCE_INTREF);
}
bool voltage_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
watch_date_time date_time;
switch (event.event_type) {
case EVENT_MODE_BUTTON_UP:
movement_move_to_next_face();
break;
case EVENT_LIGHT_BUTTON_DOWN:
movement_illuminate_led();
break;
case EVENT_ACTIVATE:
_voltage_face_update_display();
break;
case EVENT_TICK:
date_time = watch_rtc_get_date_time();
if (date_time.unit.second % 5 == 4) {
watch_set_indicator(WATCH_INDICATOR_SIGNAL);
} else if (date_time.unit.second % 5 == 0) {
_voltage_face_update_display();
watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
}
break;
case EVENT_TIMEOUT:
movement_move_to_face(0);
break;
default:
break;
}
return true;
}
void voltage_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
// make sure to restore the default in the end.
watch_set_analog_reference_voltage(ADC_REFCTRL_REFSEL_INTVCC2_Val);
watch_disable_adc();
}
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