AC_AttitudeControl: add override keyword in many places

libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h

@@ -57,9 +57,9 @@ public:
         }
 
     // pid accessors
-    AC_PID& get_rate_roll_pid() { return _pid_rate_roll; }
-    AC_PID& get_rate_pitch_pid() { return _pid_rate_pitch; }
-    AC_PID& get_rate_yaw_pid() { return _pid_rate_yaw; }
+    AC_PID& get_rate_roll_pid() override { return _pid_rate_roll; }
+    AC_PID& get_rate_pitch_pid() override { return _pid_rate_pitch; }
+    AC_PID& get_rate_yaw_pid() override { return _pid_rate_yaw; }
 
     // passthrough_bf_roll_pitch_rate_yaw - roll and pitch are passed through directly, body-frame rate target for yaw
     void passthrough_bf_roll_pitch_rate_yaw(float roll_passthrough, float pitch_passthrough, float yaw_rate_bf_cds) override;
@@ -72,7 +72,7 @@ public:
 
 	// rate_controller_run - run lowest level body-frame rate controller and send outputs to the motors
 	// should be called at 100hz or more
-	virtual void rate_controller_run();
+	virtual void rate_controller_run() override;
 
     // Update Alt_Hold angle maximum
     void update_althold_lean_angle_max(float throttle_in) override;
@@ -143,7 +143,7 @@ private:
     int16_t _passthrough_yaw;
 
     // get_roll_trim - angle in centi-degrees to be added to roll angle. Used by helicopter to counter tail rotor thrust in hover
-    float get_roll_trim_rad() { return constrain_float(radians(_hover_roll_trim_scalar * _hover_roll_trim * 0.01f), -radians(10.0f),radians(10.0f));}
+    float get_roll_trim_rad() override { return constrain_float(radians(_hover_roll_trim_scalar * _hover_roll_trim * 0.01f), -radians(10.0f),radians(10.0f));}
 
     // internal variables
     float _hover_roll_trim_scalar = 0;              // scalar used to suppress Hover Roll Trim

libraries/AC_AttitudeControl/AC_AttitudeControl_Multi.h

@@ -47,9 +47,9 @@ public:
 	virtual ~AC_AttitudeControl_Multi() {}
 
     // pid accessors
-    AC_PID& get_rate_roll_pid() { return _pid_rate_roll; }
-    AC_PID& get_rate_pitch_pid() { return _pid_rate_pitch; }
-    AC_PID& get_rate_yaw_pid() { return _pid_rate_yaw; }
+    AC_PID& get_rate_roll_pid() override { return _pid_rate_roll; }
+    AC_PID& get_rate_pitch_pid() override { return _pid_rate_pitch; }
+    AC_PID& get_rate_yaw_pid() override { return _pid_rate_yaw; }
 
     // Update Alt_Hold angle maximum
     void update_althold_lean_angle_max(float throttle_in) override;
@@ -73,10 +73,10 @@ public:
     bool is_throttle_mix_min() const override { return (_throttle_rpy_mix < 1.25f*_thr_mix_min); }
 
     // run lowest level body-frame rate controller and send outputs to the motors
-    void rate_controller_run();
+    void rate_controller_run() override;
 
     // sanity check parameters.  should be called once before take-off
-    void parameter_sanity_check();
+    void parameter_sanity_check() override;
 
     // user settable parameters
     static const struct AP_Param::GroupInfo var_info[];

libraries/AC_AttitudeControl/AC_AttitudeControl_Sub.h

@@ -31,9 +31,9 @@ public:
     virtual ~AC_AttitudeControl_Sub() {}
 
     // pid accessors
-    AC_PID& get_rate_roll_pid() { return _pid_rate_roll; }
-    AC_PID& get_rate_pitch_pid() { return _pid_rate_pitch; }
-    AC_PID& get_rate_yaw_pid() { return _pid_rate_yaw; }
+    AC_PID& get_rate_roll_pid() override { return _pid_rate_roll; }
+    AC_PID& get_rate_pitch_pid() override { return _pid_rate_pitch; }
+    AC_PID& get_rate_yaw_pid() override { return _pid_rate_yaw; }
 
     // Update Alt_Hold angle maximum
     void update_althold_lean_angle_max(float throttle_in) override;
@@ -55,10 +55,10 @@ public:
     bool is_throttle_mix_min() const override { return (_throttle_rpy_mix < 1.25f*_thr_mix_min); }
 
     // run lowest level body-frame rate controller and send outputs to the motors
-    void rate_controller_run();
+    void rate_controller_run() override;
 
     // sanity check parameters.  should be called once before take-off
-    void parameter_sanity_check();
+    void parameter_sanity_check() override;
 
     // user settable parameters
     static const struct AP_Param::GroupInfo var_info[];