static void
down_click_handler(ClickRecognizerRef recognizer, void *context) {
cur_p = next_project(cur_p, -1);
display_note();
}
void note_from_frequency(float freq) {
float n = half_steps_from_frequency(freq);
int index = round(n);
char note = note_from_index(index);
int alteration = 0;
float decimal_part = abs(modf(n, NULL));
if (decimal_part > 0.5) {
decimal_part = decimal_part - 1;
}
decimal_part = decimal_part * 2;
if (note == 'x') {
if (decimal_part > 0) {
alteration = index > 0 ? 1 : -1;
} else {
alteration = index > 0 ? -1 : 1;
}
}
note = note_from_index(index - alteration);
display_note(note);
display_alteration(alteration);
display_decimal_part(decimal_part);
}
static void
long_click_handler(ClickRecognizerRef recognizer, void *context) {
proj_time[cur_p] = 0;
proj_start[cur_p] = 0; /* init again */
proj_running[cur_p] = false;
proj_stopped_note(localtime(&now), cur_p);
write_proj_change_info();
display_note();
}
