my favourite HUB75 buildenv [env:esp32_4MB_V4_HUB75_forum]

wled00/FX.h

@@ -87,11 +87,13 @@ bool strip_uses_global_leds(void) __attribute__((pure));  // WLEDMM implemented
   #ifndef MAX_NUM_SEGMENTS
     #define MAX_NUM_SEGMENTS  32
   #endif
+  #ifndef MAX_SEGMENT_DATA
   #if defined(ARDUINO_ARCH_ESP32S2)
     #define MAX_SEGMENT_DATA  24576
   #else
     #define MAX_SEGMENT_DATA  32767
   #endif
+  #endif
 #endif
 
 /* How much data bytes each segment should max allocate to leave enough space for other segments,