Copter: DataFlash frontend/backend split

ArduCopter/Copter.cpp

@@ -22,9 +22,6 @@
 const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;
 
 Copter::Copter(void) :
-#if defined(HAL_BOARD_LOG_DIRECTORY)
-    DataFlash(HAL_BOARD_LOG_DIRECTORY),
-#endif
     ins_sample_rate(AP_InertialSensor::RATE_400HZ),
     flight_modes(&g.flight_mode1),
     sonar_enabled(true),

ArduCopter/Copter.h

@@ -153,11 +153,7 @@ private:
     RC_Channel *channel_yaw;
 
     // Dataflash
-#if defined(HAL_BOARD_LOG_DIRECTORY)
-    DataFlash_File DataFlash;
-#else
-    DataFlash_Empty DataFlash;
-#endif
+    DataFlash_Class DataFlash;
 
     // the rate we run the main loop at
     const AP_InertialSensor::Sample_rate ins_sample_rate;