Added variadic constructor arguments to handler.

Grbl_Esp32/src/Configuration/HandlerBase.h

@@ -89,12 +89,12 @@ namespace Configuration {
 
         virtual HandlerType handlerType() = 0;
 
-        template <typename T>
-        void section(const char* name, T*& value) {
+        template <typename T, typename... U>
+        void section(const char* name, T*& value, U... args) {
             if (handlerType() == HandlerType::Parser) {
                 // For Parser, matchesUninitialized(name) resolves to _parser.is(name)
                 if (value == nullptr && matchesUninitialized(name)) {
-                    value = new T();
+                    value = new T(args...);
                     enterSection(name, value);
                 }
             } else {

Grbl_Esp32/src/Machine/Axes.cpp

@@ -206,14 +206,14 @@ namespace Machine {
             tmp[0] = tolower(_names[i]);
             tmp[1] = '\0';
 
-            handler.section(tmp, _axis[i]);
+            handler.section(tmp, _axis[i], i);
         }
     }
 
     void Axes::afterParse() {
         for (size_t i = 0; i < MAX_NUMBER_AXIS; ++i) {
             if (_axis[i] == nullptr) {
-                _axis[i] = new Axis();
+                _axis[i] = new Axis(i);
             }
         }
     }

Grbl_Esp32/src/Machine/Axis.cpp

@@ -20,14 +20,14 @@ namespace Machine {
             tmp[4] = char(g + '0');
             tmp[5] = '\0';
 
-            handler.section(tmp, _gangs[g]);
+            handler.section(tmp, _gangs[g], g);
         }
     }
 
     void Axis::afterParse() {
         for (size_t i = 0; i < MAX_NUMBER_GANGED; ++i) {
             if (_gangs[i] == nullptr) {
-                _gangs[i] = new Gang();
+                _gangs[i] = new Gang(i);
             }
         }
     }

Grbl_Esp32/src/Machine/Axis.h

@@ -29,11 +29,12 @@ namespace Motors {
 namespace Machine {
     class Axis : public Configuration::Configurable {
     public:
-        Axis() {
+        Axis(int currentAxis): _index(currentAxis) {
             for (int i = 0; i < MAX_NUMBER_GANGED; ++i) {
                 _gangs[i] = nullptr;
             }
         }
+
         static const int MAX_NUMBER_GANGED = 2;
 
         Gang*   _gangs[MAX_NUMBER_GANGED];
@@ -45,6 +46,8 @@ namespace Machine {
         float _maxTravel    = 200.0f;
         bool  _softLimits   = false;
 
+        int _index;
+
         // Configuration system helpers:
         void group(Configuration::HandlerBase& handler) override;
         void afterParse() override;

Grbl_Esp32/src/Machine/Gang.h

@@ -29,8 +29,9 @@ namespace Motors {
 namespace Machine {
     class Gang : public Configuration::Configurable {
     public:
-        Gang() = default;
+        Gang(int index) : _index(index) {}
 
+        int            _index;
         Motors::Motor* _motor    = nullptr;
         Endstops*      _endstops = nullptr;