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/*
* MIT License
*
* Copyright (c) 2023 Per Waagø
*
* 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 "tuning_tones_face.h"
/*
This face plays a tone that can be used as a reference when tuning
musical instrument.
- The alarm button (short press) starts and stops the tone
- The light button (short press) changes which note is played. The name
of the note is shown in the display.
*/
typedef struct Note {
BuzzerNote note;
char * name;
} Note;
static Note notes[] = {
{ .note = BUZZER_NOTE_C5, .name = "C " },
{ .note = BUZZER_NOTE_C5SHARP_D5FLAT, .name = "Db" },
{ .note = BUZZER_NOTE_D5, .name = "D " },
{ .note = BUZZER_NOTE_D5SHARP_E5FLAT, .name = "Eb" },
{ .note = BUZZER_NOTE_E5, .name = "E " },
{ .note = BUZZER_NOTE_F5, .name = "F " },
{ .note = BUZZER_NOTE_F5SHARP_G5FLAT, .name = "Gb" },
{ .note = BUZZER_NOTE_G5, .name = "G " },
{ .note = BUZZER_NOTE_G5SHARP_A5FLAT, .name = "Ab" },
{ .note = BUZZER_NOTE_A5, .name = "A " },
{ .note = BUZZER_NOTE_A5SHARP_B5FLAT, .name = "Bb" },
{ .note = BUZZER_NOTE_B5, .name = "B " },
};
static size_t note_count = sizeof notes / sizeof *notes;
static void draw(tuning_tones_state_t *state)
{
watch_display_string(notes[state->note_ind].name, 8);
}
void tuning_tones_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
(void) settings;
(void) watch_face_index;
if (*context_ptr == NULL) {
tuning_tones_state_t *state = malloc(sizeof *state);
memset(state, 0, sizeof *state);
state->note_ind = 9;
*context_ptr = state;
}
}
void tuning_tones_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
}
static void update_buzzer(const tuning_tones_state_t *state)
{
if (state->playing) {
watch_set_buzzer_off();
watch_set_buzzer_period(NotePeriods[notes[state->note_ind].note]);
watch_set_buzzer_on();
}
}
bool tuning_tones_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
tuning_tones_state_t *state = (tuning_tones_state_t *)context;
switch (event.event_type) {
case EVENT_ACTIVATE:
draw(state);
break;
case EVENT_TICK:
break;
case EVENT_LIGHT_BUTTON_DOWN:
state->note_ind++;
if (state->note_ind == note_count) {
state->note_ind = 0;
}
update_buzzer(state);
draw(state);
break;
case EVENT_LIGHT_BUTTON_UP:
break;
case EVENT_ALARM_BUTTON_DOWN:
state->playing = !state->playing;
if (!state->playing) {
watch_set_buzzer_off();
} else {
update_buzzer(state);
}
case EVENT_ALARM_BUTTON_UP:
break;
case EVENT_TIMEOUT:
movement_move_to_face(0);
break;
case EVENT_LOW_ENERGY_UPDATE:
break;
default:
return movement_default_loop_handler(event, settings);
}
return !state->playing;
}
void tuning_tones_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
tuning_tones_state_t *state = (tuning_tones_state_t *)context;
if (state->playing) {
state->playing = false;
watch_set_buzzer_off();
}
}
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