From b93d72296c93f4374c00dc912b5b4fe45da43ddb Mon Sep 17 00:00:00 2001
From: Blaz Kristan <blaz@kristan-sp.si>
Date: Fri, 5 Nov 2021 23:00:38 +0100
Subject: [PATCH] Async response bugfix.

---
 wled00/json.cpp                             | 3 +++
 wled00/src/dependencies/json/AsyncJson-v6.h | 4 ++--
 wled00/wled.h                               | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/wled00/json.cpp b/wled00/json.cpp
index 08e0d327b..d12888afa 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -914,7 +914,10 @@ void serveJson(AsyncWebServerRequest* request)
   }
 
   //AsyncJsonResponse* response = new AsyncJsonResponse(JSON_BUFFER_SIZE);
+  while (jsonBufferLock) delay(1);
   jsonBufferLock = true;
+  doc.clear();
+  
   AsyncJsonResponse *response = new AsyncJsonResponse(&doc);
   JsonObject lDoc = response->getRoot();
 
diff --git a/wled00/src/dependencies/json/AsyncJson-v6.h b/wled00/src/dependencies/json/AsyncJson-v6.h
index 3f1ba4424..32ac54607 100644
--- a/wled00/src/dependencies/json/AsyncJson-v6.h
+++ b/wled00/src/dependencies/json/AsyncJson-v6.h
@@ -68,9 +68,9 @@ class AsyncJsonResponse: public AsyncAbstractResponse {
       _code = 200;
       _contentType = JSON_MIMETYPE;
       if(isArray)
-        _root = ref->as<JsonArray>();
+        _root = ref->to<JsonArray>();
       else
-        _root = ref->as<JsonObject>();
+        _root = ref->to<JsonObject>();
     }
 
     AsyncJsonResponse(size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE, bool isArray=false) : _jsonBuffer(maxJsonBufferSize), _isValid{false} {
diff --git a/wled00/wled.h b/wled00/wled.h
index 7db40c2ab..3d0ea67d6 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2111041
+#define VERSION 2111051
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG