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/*
* MIT License
*
* Copyright (c) 2023 Bernd Plontsch
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include "breathing_face.h"
#include "watch.h"
typedef struct {
uint8_t current_stage;
bool sound_on;
} breathing_state_t;
static void beep_in (void);
static void beep_in_hold (void);
static void beep_out (void);
static void beep_out_hold (void);
void breathing_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
// These next two lines just silence the compiler warnings associated with unused parameters.
// We have no use for the settings or the watch_face_index, so we make that explicit here.
(void) settings;
(void) watch_face_index;
// At boot, context_ptr will be NULL indicating that we don't have anyplace to store our context.
if (*context_ptr == NULL) {
// in this case, we allocate an area of memory sufficient to store the stuff we need to track.
*context_ptr = malloc(sizeof(breathing_state_t));
}
}
void breathing_face_activate(movement_settings_t *settings, void *context) {
// same as above: silence the warning, we don't need to check the settings.
(void) settings;
// we do however need to set some things in our context. Here we cast it to the correct type...
breathing_state_t *state = (breathing_state_t *)context;
// ...and set the initial state of our watch face.
state->current_stage = 0;
state->sound_on = true;
}
const int NOTE_LENGTH = 80;
void beep_in (void) {
const BuzzerNote notes[] = {
BUZZER_NOTE_C4,
BUZZER_NOTE_D4,
BUZZER_NOTE_E4,
};
const uint16_t durations[] = {
NOTE_LENGTH,
NOTE_LENGTH,
NOTE_LENGTH
};
for(size_t i = 0, count = sizeof(notes) / sizeof(notes[0]); i < count; i++) {
watch_buzzer_play_note(notes[i], durations[i]);
}
}
void beep_in_hold (void) {
const BuzzerNote notes[] = {
BUZZER_NOTE_E4,
BUZZER_NOTE_REST,
BUZZER_NOTE_E4,
};
const uint16_t durations[] = {
NOTE_LENGTH,
NOTE_LENGTH * 2,
NOTE_LENGTH,
};
for(size_t i = 0, count = sizeof(notes) / sizeof(notes[0]); i < count; i++) {
watch_buzzer_play_note(notes[i], durations[i]);
}
}
void beep_out (void) {
const BuzzerNote notes[] = {
BUZZER_NOTE_E4,
BUZZER_NOTE_D4,
BUZZER_NOTE_C4,
};
const uint16_t durations[] = {
NOTE_LENGTH,
NOTE_LENGTH,
NOTE_LENGTH,
};
for(size_t i = 0, count = sizeof(notes) / sizeof(notes[0]); i < count; i++) {
watch_buzzer_play_note(notes[i], durations[i]);
}
}
void beep_out_hold (void) {
const BuzzerNote notes[] = {
BUZZER_NOTE_C4,
BUZZER_NOTE_REST * 2,
BUZZER_NOTE_C4,
};
const uint16_t durations[] = {
NOTE_LENGTH,
NOTE_LENGTH,
NOTE_LENGTH,
};
for(size_t i = 0, count = sizeof(notes) / sizeof(notes[0]); i < count; i++) {
watch_buzzer_play_note(notes[i], durations[i]);
}
}
bool breathing_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) settings;
breathing_state_t *state = (breathing_state_t *)context;
switch (event.event_type) {
case EVENT_ACTIVATE:
case EVENT_TICK:
if (state->sound_on == true) {
watch_set_indicator(WATCH_INDICATOR_BELL);
} else {
watch_clear_indicator(WATCH_INDICATOR_BELL);
}
switch (state->current_stage)
{
case 0: { watch_display_string("Breath", 4); if (state->sound_on) beep_in(); } break;
case 1: watch_display_string("In 3", 4); break;
case 2: watch_display_string("In 2", 4); break;
case 3: watch_display_string("In 1", 4); break;
case 4: { watch_display_string("Hold 4", 4); if (state->sound_on) beep_in_hold(); } break;
case 5: watch_display_string("Hold 3", 4); break;
case 6: watch_display_string("Hold 2", 4); break;
case 7: watch_display_string("Hold 1", 4); break;
case 8: { watch_display_string("Ou t 4", 4); if (state->sound_on) beep_out(); } break;
case 9: watch_display_string("Ou t 3", 4); break;
case 10: watch_display_string("Ou t 2", 4); break;
case 11: watch_display_string("Ou t 1", 4); break;
case 12: { watch_display_string("Hold 4", 4); if (state->sound_on) beep_out_hold(); } break;
case 13: watch_display_string("Hold 3", 4); break;
case 14: watch_display_string("Hold 2", 4); break;
case 15: watch_display_string("Hold 1", 4); break;
default:
break;
}
// and increment it so that it will update on the next tick.
state->current_stage = (state->current_stage + 1) % 16;
break;
case EVENT_ALARM_BUTTON_UP:
state->sound_on = !state->sound_on;
if (state->sound_on == true) {
watch_set_indicator(WATCH_INDICATOR_BELL);
} else {
watch_clear_indicator(WATCH_INDICATOR_BELL);
}
break;
case EVENT_LOW_ENERGY_UPDATE:
// This low energy mode update occurs once a minute, if the watch face is in the
// foreground when Movement enters low energy mode. We have the option of supporting
// this mode, but since our watch face animates once a second, the "Hello there" face
// isn't very useful in this mode. So we choose not to support it. (continued below)
break;
case EVENT_TIMEOUT:
// ... Instead, we respond to the timeout event. This event happens after a configurable
// interval on screen (1-30 minutes). The watch will give us this event as a chance to
// resign control if we want to, and in this case, we do.
// This function will return the watch to the first screen (usually a simple clock),
// and it will do it long before the watch enters low energy mode. This ensures we
// won't be on screen, and thus opts us out of getting the EVENT_LOW_ENERGY_UPDATE above.
// movement_move_to_face(0);
break;
default:
movement_default_loop_handler(event, settings);
break;
}
return true;
}
void breathing_face_resign(movement_settings_t *settings, void *context) {
// our watch face, like most watch faces, has nothing special to do when resigning.
// watch faces that enable a peripheral or interact with a sensor may want to turn it off here.
(void) settings;
(void) context;
}
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