ash/loopy_midi_controller
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Clean baseline: skip tick-0 flash, first flash at tick 24 (first beat boundary)

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ash
2026-07-03 07:40:53 +00:00
parent 354f18efe7
commit eb5d66d29b
1 changed files with 3 additions and 12 deletions
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src/main.cpp
+3 -12
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@@ -27,9 +27,8 @@ void midi_task(void* parameter) {
Serial.println("[TASK] MIDI task started on core 0");
// Beat timing fixes for precise beat alignment - sync to real MIDI time, not hardcoded tempo
uint32_t last_beat = UINT32_MAX;
uint32_t last_beat = 0;
uint32_t flash_start = 0;
uint8_t flash_peak = 255;
while (true) {
midi_transport.update();
@@ -42,18 +41,10 @@ void midi_task(void* parameter) {
uint32_t current_beat = tick / 24;
// Check if we've crossed a beat boundary.
// last_beat starts as UINT32_MAX so tick 0 (START) always triggers
if (current_beat != last_beat) {
last_beat = current_beat;
flash_start = now;
// First beat after each START is beat 1 (downbeat) — full white
// Loopy Pro sends START at bar boundaries so this is always beat 1
if (current_beat == 0) {
flash_peak = 255;
} else {
flash_peak = 64;
}
mux.set_led_color(6, flash_peak, flash_peak, flash_peak);
mux.set_led_color(6, 255, 255, 255);
mux.show();
}
@@ -66,7 +57,7 @@ void midi_task(void* parameter) {
flash_start = 0;
} else {
float b = 1.0f - (float)elapsed / 80.0f;
uint8_t v = (uint8_t)((float)flash_peak * b * b);
uint8_t v = (uint8_t)(255 * b * b);
mux.set_led_color(6, v, v, v);
mux.show();
}