AP_HAL_SITL: move ctsrts handling into common SITL_State_Common base class

Author: peterbarker

libraries/AP_HAL_SITL/SITL_Periph_State.h

@@ -52,10 +52,6 @@ class HALSITL::SITL_State : public SITL_State_Common {
 public:
     void init(int argc, char * const argv[]) override;
 
-    bool use_rtscts(void) const {
-        return _use_rtscts;
-    }
-    
     uint16_t base_port(void) const {
         return _base_port;
     }
@@ -80,7 +76,6 @@ class HALSITL::SITL_State : public SITL_State_Common {
 private:
 
     void wait_clock(uint64_t wait_time_usec);
-    bool _use_rtscts;
     uint16_t _base_port;
 
     const char *defaults_path = HAL_PARAM_DEFAULTS_PATH;

libraries/AP_HAL_SITL/SITL_State.h

@@ -25,10 +25,6 @@ class HALSITL::SITL_State : public SITL_State_Common {
         return _base_port;
     }
 
-    bool use_rtscts(void) const {
-        return _use_rtscts;
-    }
-    
     // paths for UART devices
     const char *_serial_path[9] {
         "tcp:0:wait",
@@ -89,7 +85,6 @@ class HALSITL::SITL_State : public SITL_State_Common {
 
     bool _synthetic_clock_mode;
 
-    bool _use_rtscts;
     bool _use_fg_view;
 
     const char *_fg_address;

libraries/AP_HAL_SITL/SITL_State_common.h

@@ -100,6 +100,10 @@ class HALSITL::SITL_State_Common {
     float voltage2_pin_voltage;  // pin 15
     float current2_pin_voltage;  // pin 14
 
+    bool use_rtscts(void) const {
+        return _use_rtscts;
+    }
+
     uint16_t pwm_input[SITL_RC_INPUT_CHANNELS];
     bool new_rc_input;
     uint16_t pwm_output[SITL_NUM_CHANNELS];
@@ -258,6 +262,8 @@ class HALSITL::SITL_State_Common {
     SITL::SIM *_sitl;
 
     void update_voltage_current(struct sitl_input &input, float throttle);
+
+    bool _use_rtscts;
 };
 
 #endif // CONFIG_HAL_BOARD == HAL_BOARD_SITL