mappingTable realloc improvements

Back-end
========
Virtual layer: mappingTable realloc: always if size changes, if failed, keep old, init using memset

Author: ewowi

docs/moonbase/inputoutput.md

@@ -47,7 +47,7 @@ For each board the following presets are defined:
 
 - MicroController (MCU): The ESP32 chip
 - MCU-Board (MCB): MCU on a PCB
-- Carrier Board (CRB): board that the MCU-board plugs into (Or shield or controller board or interfae board)
+- Carrier Board (CRB): board that the MCU-board plugs into (Or shield or controller board or interface board)
 - Device (DVC): All of the above in a box with connectors
 
 ## Board details
@@ -62,4 +62,4 @@ For each board the following presets are defined:
 
 ### SE16 v1
 
-* Set jumper1 the same as you set it on the board: Jumper1: on: Infrared, off: Ethernet
+* Set jumper1 the same as you set it on the board: on: Infrared, off: Ethernet

src/MoonLight/Layers/VirtualLayer.cpp

@@ -327,17 +327,18 @@ void VirtualLayer::onLayoutPre() {
     mappingTableIndex.clear();
   }
 
-  if (mappingTableSize < size.x * size.y * size.z) {
-    mappingTable = reallocMB<PhysMap>(mappingTable, size.x * size.y * size.z);
-    if (mappingTable) {
+  if (mappingTableSize != size.x * size.y * size.z) {
+
+    PhysMap* newTable = reallocMB<PhysMap>(mappingTable, size.x * size.y * size.z);
+    if (newTable) {
+      mappingTable = newTable;
       EXT_LOGD(ML_TAG, "realloc mappingTable %d -> %dx%dx%d", mappingTableSize, size.x, size.y, size.z);
       mappingTableSize = size.x * size.y * size.z;
     } else {
-      EXT_LOGW(ML_TAG, "realloc mappingTable failed %dx%dx%d", size.x, size.y, size.z);
-      mappingTableSize = 0;
+      EXT_LOGW(ML_TAG, "realloc mappingTable failed keeping oldSize %d", mappingTableSize);
     }
   }
-  for (int i = 0; i < mappingTableSize; i++) mappingTable[i] = PhysMap();
+  memset(mappingTable, 0, mappingTableSize * sizeof(PhysMap)); // set mappingTable to default PhysMap
 }
 
 void VirtualLayer::addLight(Coord3D position) {

src/MoonLight/Modules/ModuleLightsControl.h

@@ -40,7 +40,7 @@ class ModuleLightsControl : public Module {
 
     EXT_LOGI(ML_TAG, "Lights:%d(Header:%d) L-H:%d Node:%d PL:%d(PL-L:%d) VL:%d PM:%d C3D:%d", sizeof(Lights), sizeof(LightsHeader), sizeof(Lights) - sizeof(LightsHeader), sizeof(Node), sizeof(PhysicalLayer), sizeof(PhysicalLayer) - sizeof(Lights), sizeof(VirtualLayer), sizeof(PhysMap), sizeof(Coord3D));
 
-    EXT_LOGI(ML_TAG, "isInPSRAM: mt:%d mti:%d ch:%d", isInPSRAM(&layerP.layers[0]->mappingTable), isInPSRAM(&layerP.layers[0]->mappingTableIndexes), isInPSRAM(layerP.lights.channels));
+    EXT_LOGI(ML_TAG, "isInPSRAM: mt:%d mti:%d ch:%d", isInPSRAM(layerP.layers[0]->mappingTable), isInPSRAM(&layerP.layers[0]->mappingTableIndexes), isInPSRAM(layerP.lights.channels));
 
     setPresetsFromFolder();  // set the right values during boot