panki/fz-metronome
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

beats per bar, settable, not implemented

Browse Source
This commit is contained in:
Felix Pankratz 2022-09-18 19:54:19 +02:00
parent 7540797c2e
commit 7460e50be0
1 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
metronome.c
View File

@ -25,6 +25,8 @@ typedef struct {
typedef struct {
double bpm;
bool playing;
int beats_per_bar;
int note_length;
FuriTimer* timer;
} MetronomeState;
@ -33,7 +35,6 @@ static void render_callback(Canvas* const canvas, void* ctx) {
if(metronome_state == NULL) {
return;
}
// char* play_state;
string_t tempStr;
string_init(tempStr);
@ -41,14 +42,10 @@ static void render_callback(Canvas* const canvas, void* ctx) {
canvas_draw_frame(canvas, 0, 0, 128, 64);
canvas_set_font(canvas, FontPrimary);
// // draw playing state
// if (metronome_state->playing) {
// play_state = "Playing";
// } else {
// play_state = "Paused";
// }
// canvas_draw_str_aligned(canvas, 5, 10, AlignLeft, AlignBottom, play_state);
// draw bars/beat
string_printf(tempStr, "%d/%d", metronome_state->beats_per_bar, metronome_state->note_length);
canvas_draw_str_aligned(canvas, 64, 16, AlignCenter, AlignCenter, string_get_cstr(tempStr));
string_reset(tempStr);
// draw BPM value
string_printf(tempStr, "%.2f", metronome_state->bpm);
canvas_set_font(canvas, FontBigNumbers);
@ -86,6 +83,8 @@ static void timer_callback() {
static void metronome_state_init(MetronomeState* const metronome_state) {
metronome_state->bpm = 120.0;
metronome_state->playing = false;
metronome_state->beats_per_bar = 4;
metronome_state->note_length = 4;
metronome_state->timer = furi_timer_alloc(timer_callback, FuriTimerTypePeriodic, metronome_state);
}
@ -122,6 +121,13 @@ static void decrease_bpm(MetronomeState* metronome_state, double amount) {
update_timer(metronome_state);
}
static void cycle_beats_per_bar(MetronomeState* metronome_state) {
metronome_state->beats_per_bar++;
if (metronome_state->beats_per_bar > metronome_state->note_length) {
metronome_state->beats_per_bar = 1;
}
}
int32_t metronome_app() {
FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(PluginEvent));
@ -156,6 +162,7 @@ int32_t metronome_app() {
if(event.input.type == InputTypeShort) {
switch(event.input.key) {
case InputKeyUp:
cycle_beats_per_bar(metronome_state);
break;
case InputKeyDown:
break;