AC_Autorotation: remove unused variables

libraries/AC_Autorotation/AC_Autorotation.cpp

@@ -119,8 +119,7 @@ const AP_Param::GroupInfo AC_Autorotation::var_info[] = {
 };
 
 // Constructor
-AC_Autorotation::AC_Autorotation(AP_InertialNav& inav) :
-    _inav(inav),
+AC_Autorotation::AC_Autorotation() :
     _p_hs(HS_CONTROLLER_HEADSPEED_P),
     _p_fw_vel(AP_FW_VEL_P)
     {

libraries/AC_Autorotation/AC_Autorotation.h

@@ -18,7 +18,7 @@ class AC_Autorotation
 public:
 
     //Constructor
-    AC_Autorotation(AP_InertialNav& inav);
+    AC_Autorotation();
 
     //--------Functions--------
     void init_hs_controller(void);  // Initialise head speed controller
@@ -51,7 +51,6 @@ private:
     float _current_rpm;
     float _collective_out;
     float _head_speed_error;         // Error between target head speed and current head speed.  Normalised by head speed set point RPM.
-    uint16_t _log_counter;
     float _col_cutoff_freq;          // Lowpass filter cutoff frequency (Hz) for collective.
     uint8_t _unhealthy_rpm_counter;  // Counter used to track RPM sensor unhealthy signal.
     uint8_t _healthy_rpm_counter;    // Counter used to track RPM sensor healthy signal.
@@ -61,7 +60,6 @@ private:
 
     float _vel_target;               // Forward velocity target.
     float _pitch_target;             // Pitch angle target.
-    float _vel_error;                // Velocity error.
     float _accel_max;                // Maximum acceleration limit.
     int16_t _speed_forward_last;       // The forward speed calculated in the previous cycle.
     bool _flag_limit_accel;          // Maximum acceleration limit reached flag.
@@ -101,8 +99,4 @@ private:
 
     // low pass filter for collective trim
     LowPassFilterFloat col_trim_lpf;
-
-    //--------References to Other Libraries--------
-    AP_InertialNav&    _inav;
-
 };