ash/loopy_midi_controller
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Remove time signature assumption — all beats equal brightness

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ash
2026-07-03 07:25:58 +00:00
parent 53752365b8
commit eda2a959dc
1 changed files with 2 additions and 9 deletions
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src/main.cpp
+2 -9
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@@ -29,7 +29,6 @@ void midi_task(void* parameter) {
// Beat timing fixes for precise beat alignment - sync to real MIDI time, not hardcoded tempo // 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 = UINT32_MAX;
uint32_t flash_start = 0; uint32_t flash_start = 0;
uint8_t flash_peak = 255;
while (true) { while (true) {
midi_transport.update(); midi_transport.update();
@@ -46,13 +45,7 @@ void midi_task(void* parameter) {
if (current_beat != last_beat) { if (current_beat != last_beat) {
last_beat = current_beat; last_beat = current_beat;
flash_start = now; flash_start = now;
// Beat 1 of each bar (every 4th beat) = full white; others dimmer mux.set_led_color(6, 255, 255, 255);
if (current_beat % 4 == 0) {
flash_peak = 255;
} else {
flash_peak = 64;
}
mux.set_led_color(6, flash_peak, flash_peak, flash_peak);
mux.show(); mux.show();
} }
@@ -65,7 +58,7 @@ void midi_task(void* parameter) {
flash_start = 0; flash_start = 0;
} else { } else {
float b = 1.0f - (float)elapsed / 80.0f; 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.set_led_color(6, v, v, v);
mux.show(); mux.show();
} }