AC_InputManager: add static create method

libraries/AC_InputManager/AC_InputManager.h

@@ -11,15 +11,22 @@
 /// @brief  Class managing the pilot's control inputs
 class AC_InputManager{
 public:
-    AC_InputManager() {
-        // setup parameter defaults
-        AP_Param::setup_object_defaults(this, var_info);
-    }
+    static AC_InputManager create() { return AC_InputManager{}; }
+
+    constexpr AC_InputManager(AC_InputManager &&other) = default;
+
+    /* Do not allow copies */
+    AC_InputManager(const AC_InputManager &other) = delete;
+    AC_InputManager &operator=(const AC_InputManager&) = delete;
 
     static const struct AP_Param::GroupInfo        var_info[];
     void set_loop_rate(uint16_t loop_rate) { _loop_rate = loop_rate; }
 
 protected:
+    AC_InputManager() {
+        // setup parameter defaults
+        AP_Param::setup_object_defaults(this, var_info);
+    }
 
     // internal variables
     uint16_t            _loop_rate;             // rate at which output() function is called (normally 400hz)

libraries/AC_InputManager/AC_InputManager_Heli.h

@@ -16,13 +16,13 @@
 /// @brief  Class managing the pilot's control inputs   for Conventional Helicopter
 class AC_InputManager_Heli : public AC_InputManager {
 public:
-    // Constructor
-    AC_InputManager_Heli():
-        AC_InputManager()
-    {
-        // setup parameter defaults
-        AP_Param::setup_object_defaults(this, var_info);
-    }
+    static AC_InputManager_Heli create() { return AC_InputManager_Heli{}; }
+
+    constexpr AC_InputManager_Heli(AC_InputManager_Heli &&other) = default;
+
+    /* Do not allow copies */
+    AC_InputManager_Heli(const AC_InputManager_Heli &other) = delete;
+    AC_InputManager_Heli &operator=(const AC_InputManager_Heli&) = delete;
 
     // get_pilot_desired_collective - rescale's pilot collective pitch input in Stabilize and Acro modes
     float get_pilot_desired_collective(int16_t control_in);
@@ -35,8 +35,16 @@ public:
 
     static const struct AP_Param::GroupInfo        var_info[];
 
-private:
+protected:
+    // Constructor
+    AC_InputManager_Heli()
+        : AC_InputManager()
+    {
+        // setup parameter defaults
+        AP_Param::setup_object_defaults(this, var_info);
+    }
 
+private:
     struct InputManagerHeliFlags {
         uint8_t use_stab_col        :   1;  // 1 if we should use Stabilise mode collective range, 0 for Acro range
     } _im_flags_heli;