panki/fz-metronome
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This commit is contained in:
Felix Pankratz 2022-09-18 23:42:11 +02:00
parent 5c99c0932e
commit 1c3f571294
1 changed files with 16 additions and 6 deletions
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22
metronome.c
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@ -9,6 +9,9 @@
#include <gui/canvas.h>
#include <gui/icon_i.h>
#include <notification/notification.h>
#include <notification/notification_messages.h>
#define BPM_STEP_SIZE_FINE 0.5d
#define BPM_STEP_SIZE_COARSE 10.0d
#define BPM_BOUNDARY_LOW 10.0d
@ -32,6 +35,7 @@ typedef struct {
int note_length;
int current_beat;
FuriTimer* timer;
NotificationApp* notifications;
} MetronomeState;
//lib can only do bottom left/right
@ -137,17 +141,21 @@ static void input_callback(InputEvent* input_event, FuriMessageQueue* event_queu
static void timer_callback(void* ctx) {
MetronomeState* metronome_state = acquire_mutex((ValueMutex*)ctx, 25);
if (metronome_state->current_beat == 1) {
furi_hal_speaker_start(440.0f, 1.0f);
} else {
furi_hal_speaker_start(220.0f, 1.0f);
};
metronome_state->current_beat++;
if (metronome_state->current_beat > metronome_state->beats_per_bar) {
metronome_state->current_beat = 1;
}
if (metronome_state->current_beat == 1) {
notification_message(metronome_state->notifications, &sequence_set_only_red_255);
furi_hal_speaker_start(440.0f, 1.0f);
} else {
notification_message(metronome_state->notifications, &sequence_set_only_green_255);
furi_hal_speaker_start(220.0f, 1.0f);
};
furi_delay_ms(BEEP_DELAY_MS);
notification_message(metronome_state->notifications, &sequence_reset_rgb);
furi_hal_speaker_stop();
release_mutex((ValueMutex*)ctx, metronome_state);
}
@ -207,7 +215,8 @@ static void metronome_state_init(MetronomeState* const metronome_state) {
metronome_state->playing = false;
metronome_state->beats_per_bar = 4;
metronome_state->note_length = 4;
metronome_state->current_beat = 1;
metronome_state->current_beat = 0;
metronome_state->notifications = furi_record_open(RECORD_NOTIFICATION);
}
int32_t metronome_app() {
@ -322,6 +331,7 @@ int32_t metronome_app() {
furi_message_queue_free(event_queue);
delete_mutex(&state_mutex);
furi_timer_free(metronome_state->timer);
furi_record_close(RECORD_NOTIFICATION);
free(metronome_state);
return 0;