From f6772eaf596894b63f508f21a37d0baf226c9db9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Kristan?= <blaz@kristan-sp.si>
Date: Tue, 23 Mar 2021 07:05:40 +0100
Subject: [PATCH] FPS drop workaround.

---
 wled00/set.cpp  | 1 +
 wled00/wled.cpp | 4 +++-
 wled00/wled.h   | 7 ++++---
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/wled00/set.cpp b/wled00/set.cpp
index 42e3b276b..4eaee9afe 100644
--- a/wled00/set.cpp
+++ b/wled00/set.cpp
@@ -121,6 +121,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
       // actual finalization is done in WLED::loop() (removing old busses and adding new)
       if (busConfigs[s] != nullptr) delete busConfigs[s];
       busConfigs[s] = new BusConfig(type, pins, start, length, colorOrder, request->hasArg(cv), skipFirstLed);
+      doInitBusses = true;
     }
 
     ledCount = request->arg(F("LC")).toInt();
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 951f02355..272522cda 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -218,7 +218,9 @@ void WLED::loop()
     handleBlynk();
 
     //LED settings have been saved, re-init busses
-    if (busConfigs[0] != nullptr) {
+    //This code block causes severe FPS drop on ESP32 with the original "if (busConfigs[0] != nullptr)" conditional. Investigate! 
+    if (doInitBusses) {
+      doInitBusses = false;
       DEBUG_PRINTLN(F("Re-init busses."));
       busses.removeAll();
       uint32_t mem = 0;
diff --git a/wled00/wled.h b/wled00/wled.h
index 06e403c72..b0960f66d 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2103221
+#define VERSION 2103230
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG
@@ -173,7 +173,7 @@
 #endif
 
 // Global Variable definitions
-WLED_GLOBAL char versionString[] _INIT("0.12.0-b1");
+WLED_GLOBAL char versionString[] _INIT("0.12.0-b2");
 #define WLED_CODENAME "Hikari"
 
 // AP and OTA default passwords (for maximum security change them!)
@@ -563,7 +563,8 @@ WLED_GLOBAL bool e131NewData _INIT(false);
 // led fx library object
 WLED_GLOBAL BusManager busses _INIT(BusManager());
 WLED_GLOBAL WS2812FX strip _INIT(WS2812FX());
-WLED_GLOBAL BusConfig* busConfigs[WLED_MAX_BUSSES]; //temporary, to remember values from network callback until after 
+WLED_GLOBAL BusConfig* busConfigs[WLED_MAX_BUSSES]; //temporary, to remember values from network callback until after
+WLED_GLOBAL bool doInitBusses _INIT(false);
 
 // Usermod manager
 WLED_GLOBAL UsermodManager usermods _INIT(UsermodManager());