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#include <stdio.h>
#include <string.h>
#include "watch.h"
typedef struct ApplicationState {
bool play;
} ApplicationState;
ApplicationState application_state;
void cb_alarm_pressed() {
application_state.play = true;
}
void app_init() {
memset(&application_state, 0, sizeof(application_state));
}
void app_wake_from_backup() {
}
void app_setup() {
watch_register_extwake_callback(BTN_ALARM, cb_alarm_pressed, true);
watch_enable_display();
watch_enable_buzzer();
}
void app_prepare_for_standby() {
watch_display_string(" rains ", 2);
}
void app_wake_from_standby() {
}
bool app_loop() {
if (application_state.play) {
printf("Playing song...\n");
const BuzzerNote rains[] = {
BUZZER_NOTE_A4,
BUZZER_NOTE_F5,
BUZZER_NOTE_REST,
BUZZER_NOTE_A4,
BUZZER_NOTE_E5,
BUZZER_NOTE_REST,
BUZZER_NOTE_A4,
BUZZER_NOTE_F5,
BUZZER_NOTE_G5,
BUZZER_NOTE_E5,
BUZZER_NOTE_REST,
BUZZER_NOTE_A4,
BUZZER_NOTE_G5,
BUZZER_NOTE_F5,
BUZZER_NOTE_E5,
BUZZER_NOTE_D5,
BUZZER_NOTE_E5,
BUZZER_NOTE_REST,
BUZZER_NOTE_A5,
BUZZER_NOTE_REST,
BUZZER_NOTE_A5,
BUZZER_NOTE_A5SHARP_B5FLAT,
BUZZER_NOTE_G5,
BUZZER_NOTE_REST,
BUZZER_NOTE_C5,
BUZZER_NOTE_A5,
BUZZER_NOTE_A5SHARP_B5FLAT,
BUZZER_NOTE_G5,
BUZZER_NOTE_REST,
BUZZER_NOTE_D5,
BUZZER_NOTE_A5SHARP_B5FLAT,
BUZZER_NOTE_A5,
BUZZER_NOTE_G5,
BUZZER_NOTE_F5,
BUZZER_NOTE_E5,
};
const uint16_t durations[] = {
200,
600,
100,
200,
600,
100,
200,
400,
400,
600,
100,
200,
400,
400,
400,
400,
800,
600,
200,
50,
400,
200,
400,
100,
200,
400,
400,
400,
200,
200,
400,
400,
400,
400,
900,
};
application_state.play = false;
for(size_t i = 0; i < sizeof(rains); i++) {
char buf[9] = {0};
if (rains[i] == BUZZER_NOTE_REST) {
printf("rest for %d ms\n", durations[i]);
sprintf(buf, "%2drESt ", i);
} else {
printf("playing note %2d: %3.0f Hz for %d ms\n", i, 1000000.0 / (float)NotePeriods[rains[i]], durations[i]);
sprintf(buf, "%2d%6d", i, NotePeriods[rains[i]]);
}
watch_display_string(buf, 2);
watch_buzzer_play_note(rains[i], durations[i]);
}
printf("done!\n\n");
}
return true;
}
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