AntennaTracker: use separate header for version macro

Having the version macro in the config.h and consequently in the main
vehicle header means that whenever the version changes we need to
compiler the whole vehicle again. This would not be so bad if we weren't
also appending the git hash in the version. In this case, whenever we
commit to the repository we would need to recompile everything.

Move to a separate header that is include only by its users. Then
instead of compiling everything we will compile just a few files.

AntennaTracker/AntennaTracker.cpp

@@ -20,6 +20,7 @@
  */
 
 #include "Tracker.h"
+#include "version.h"
 
 #define SCHED_TASK(func, _interval_ticks, _max_time_micros) SCHED_TASK_CLASS(Tracker, &tracker, func, _interval_ticks, _max_time_micros)
 
@@ -135,6 +136,7 @@ void Tracker::ten_hz_logging_loop()
 const AP_HAL::HAL& hal = AP_HAL::get_HAL();
 
 Tracker::Tracker(void)
+    : DataFlash{FIRMWARE_STRING}
 {
     memset(&current_loc, 0, sizeof(current_loc));
     memset(&vehicle, 0, sizeof(vehicle));

AntennaTracker/GCS_Mavlink.cpp

@@ -1,6 +1,7 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
 #include "Tracker.h"
+#include "version.h"
 
 // default sensors are present and healthy: gyro, accelerometer, barometer, rate_control, attitude_stabilization, yaw_position, altitude control, x/y position control, motor_control
 #define MAVLINK_SENSOR_PRESENT_DEFAULT (MAV_SYS_STATUS_SENSOR_3D_GYRO | MAV_SYS_STATUS_SENSOR_3D_ACCEL | MAV_SYS_STATUS_SENSOR_ABSOLUTE_PRESSURE | MAV_SYS_STATUS_SENSOR_ANGULAR_RATE_CONTROL | MAV_SYS_STATUS_SENSOR_ATTITUDE_STABILIZATION | MAV_SYS_STATUS_SENSOR_YAW_POSITION | MAV_SYS_STATUS_SENSOR_Z_ALTITUDE_CONTROL | MAV_SYS_STATUS_SENSOR_XY_POSITION_CONTROL | MAV_SYS_STATUS_SENSOR_MOTOR_OUTPUTS)

AntennaTracker/Tracker.h

@@ -1,11 +1,8 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#define THISFIRMWARE "AntennaTracker V0.7.6"
-#define FIRMWARE_VERSION 0,7,6,FIRMWARE_VERSION_TYPE_DEV
-
 /*
    Lead developers: Matthew Ridley and Andrew Tridgell
- 
+
    Please contribute your ideas! See http://dev.ardupilot.org for details
 
    This program is free software: you can redistribute it and/or modify
@@ -21,6 +18,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#pragma once
 
 ////////////////////////////////////////////////////////////////////////////////
 // Header includes
@@ -104,7 +102,7 @@ private:
     // has a log download started?
     bool in_log_download = false;
     bool logging_started = false;
-    DataFlash_Class DataFlash{FIRMWARE_STRING};
+    DataFlash_Class DataFlash;
 
     AP_GPS gps;
 

AntennaTracker/config.h

@@ -76,13 +76,3 @@
     MASK_LOG_RCOUT | \
     MASK_LOG_COMPASS
 #endif
-
-/*
-  build a firmware version string.
-  GIT_VERSION comes from Makefile builds
-*/
-#ifndef GIT_VERSION
-#define FIRMWARE_STRING THISFIRMWARE
-#else
-#define FIRMWARE_STRING THISFIRMWARE " (" GIT_VERSION ")"
-#endif

AntennaTracker/system.cpp

@@ -1,6 +1,7 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
 #include "Tracker.h"
+#include "version.h"
 
 // mission storage
 static const StorageAccess wp_storage(StorageManager::StorageMission);

AntennaTracker/version.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#define THISFIRMWARE "AntennaTracker V0.7.6"
+#define FIRMWARE_VERSION 0,7,6,FIRMWARE_VERSION_TYPE_DEV
+
+#ifndef GIT_VERSION
+#define FIRMWARE_STRING THISFIRMWARE
+#else
+#define FIRMWARE_STRING THISFIRMWARE " (" GIT_VERSION ")"
+#endif