Tall cursor backdrop

PlaybackThread.cpp

@@ -123,13 +123,6 @@ static void handlePlayback() {
 }
 
 void loopPlayback() {
-  unsigned long now = millis();
-  lastLoop1Time = now;
-  if (watchdogActive && (now - lastLoop0Time > 1000)) {
-    Serial.println("Core 0 Freeze detected");
-    rp2040.reboot();
-  }
-
   if (needsPanic) {
     if (playMode == MODE_POLY) {
       for (int i=0; i<NUM_TRACKS; i++) midi.panic(midiChannels[i]);

RP2040_Tracker.ino

@@ -9,6 +9,11 @@
 #include "PlaybackThread.h"
 #include "SharedState.h"
 
+// Watchdog
+volatile unsigned long lastLoop0Time = 0;
+volatile unsigned long lastLoop1Time = 0;
+volatile bool watchdogActive = false;
+
 // Encoder State
 static uint8_t prevNextCode = 0;
 static uint16_t store = 0;
@@ -75,9 +80,23 @@ void setup() {
 }
 
 void loop1() {
+  unsigned long now = millis();
+  lastLoop1Time = now;
+  if (watchdogActive && (now - lastLoop0Time > 1000)) {
+    Serial.println("Core 0 Freeze detected");
+    rp2040.reboot();
+  }
+
   loopPlayback();
 }
 
 void loop() {
+  unsigned long now = millis();
+  lastLoop0Time = now;
+  if (watchdogActive && (now - lastLoop1Time > 1000)) {
+    Serial.println("Core 1 Freeze detected");
+    rp2040.reboot();
+  }
+
   loopUI();
 }

SharedState.cpp

@@ -58,11 +58,6 @@ volatile int tempo = 120; // BPM
 volatile unsigned long lastClockTime = 0;
 volatile int clockCount = 0;
 
-// Watchdog
-volatile unsigned long lastLoop0Time = 0;
-volatile unsigned long lastLoop1Time = 0;
-volatile bool watchdogActive = false;
-
 // Encoder State
 volatile int encoderDelta = 0;
 

SharedState.h

@@ -52,11 +52,6 @@ extern volatile int tempo;
 extern volatile unsigned long lastClockTime;
 extern volatile int clockCount;
 
-// Watchdog & Loop timing
-extern volatile unsigned long lastLoop0Time;
-extern volatile unsigned long lastLoop1Time;
-extern volatile bool watchdogActive;
-
 // Input state
 extern volatile int encoderDelta;
 extern bool lastButtonState;

UIManager.cpp

@@ -246,6 +246,7 @@ void UIManager::updateLeds(const Step sequence[][NUM_STEPS], int playbackStep, b
             int x = s % 8;
             int yBase = (s / 8) * 4;
             uint32_t color = 0, dimColor = 0;
+            bool isCursorHere = (isPlaying && s == playbackStep);
             if (sequence[0][s].note != -1) {
                 color = getNoteColor(sequence[0][s].note, sequence[0][s].tie);
                 dimColor = getNoteColor(sequence[0][s].note, true);
@@ -257,7 +258,7 @@ void UIManager::updateLeds(const Step sequence[][NUM_STEPS], int playbackStep, b
                 else if (octave < 4) { c[2] = color; if (sequence[0][s].accent) c[1] = dimColor; }
                 else { c[1] = color; if (sequence[0][s].accent) { c[0] = dimColor; c[2] = dimColor; } }
             }
-            uint32_t cursorColor = 0;
+            uint32_t cursorColor = pixels.Color(0, 0, 50);
             if (isPlaying) {
                  cursorColor = pixels.Color(0, 50, 0);
                  if (songModeEnabled && s >= 8) {
@@ -266,10 +267,12 @@ void UIManager::updateLeds(const Step sequence[][NUM_STEPS], int playbackStep, b
                  }
             }
             
-            bool isCursorHere = (isPlaying && s == playbackStep);
             if (cursorColor != 0) {
-                if (isCursorHere) c[3] = cursorColor;
-                else {
+                if (isCursorHere) {
+                    for(int i=0; i<4; i++) {
+                        if (c[i] == 0) c[i] = cursorColor;
+                    }
+                } else {
                     uint8_t r = (uint8_t)(cursorColor >> 16), g = (uint8_t)(cursorColor >> 8), b = (uint8_t)cursorColor;
                     c[3] = pixels.Color(r/5, g/5, b/5);
                 }

UIThread.cpp

@@ -434,13 +434,6 @@ static void updateLeds() {
 }
 
 void loopUI() {
-  unsigned long now = millis();
-  lastLoop0Time = now;
-  if (watchdogActive && (now - lastLoop1Time > 1000)) {
-    Serial.println("Core 1 Freeze detected");
-    rp2040.reboot();
-  }
-
   // Handle Song Mode Generation in UI Thread
   if (songModeNeedsNext) {
     int nextTheme = random(1, 8); // Themes 1-7