diff options
Diffstat (limited to 'movement/watch_faces/demos/voltage_face.c')
-rw-r--r-- | movement/watch_faces/demos/voltage_face.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/movement/watch_faces/demos/voltage_face.c b/movement/watch_faces/demos/voltage_face.c new file mode 100644 index 00000000..98b22c76 --- /dev/null +++ b/movement/watch_faces/demos/voltage_face.c @@ -0,0 +1,66 @@ +#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(); +} |