From f300ffdbe948c6bffeba68331fec0cf5466706a5 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Thu, 1 Jun 2023 22:57:15 +0200
Subject: [PATCH] debug out: flush serial buffer after dumping out ledmap.

---
 wled00/FX_2Dfcn.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wled00/FX_2Dfcn.cpp b/wled00/FX_2Dfcn.cpp
index 32671788..c97b5afc 100644
--- a/wled00/FX_2Dfcn.cpp
+++ b/wled00/FX_2Dfcn.cpp
@@ -140,6 +140,7 @@ void WS2812FX::setUpMatrix() {
         DEBUG_PRINTF("%4d,", customMappingTable[i]);
       }
       DEBUG_PRINTLN();
+      USER_FLUSH();  // wait until serial buffer is written out - to avoid loss/corruption of future debug messages
       #endif
     } else { // memory allocation error
       DEBUG_PRINTLN(F("Ledmap alloc error."));