Rover: eliminate global static GCS_MAVLINK::send_home_all

APMrover2/GCS_Rover.h

@@ -14,6 +14,8 @@ public:
 
     // return GCS link at offset ofs
     GCS_MAVLINK_Rover &chan(const uint8_t ofs) override { return _chan[ofs]; };
+    // return GCS link at offset ofs
+    const GCS_MAVLINK_Rover &chan(const uint8_t ofs) const override { return _chan[ofs]; };
 
 private:
 

APMrover2/commands.cpp

@@ -136,7 +136,7 @@ bool Rover::set_home(const Location& loc, bool lock)
     Log_Write_Home_And_Origin();
 
     // send new home location to GCS
-    GCS_MAVLINK::send_home_all(loc);
+    gcs().send_home(loc);
 
     // send text of home position to ground stations
     gcs().send_text(MAV_SEVERITY_INFO, "Set HOME to %.6f %.6f at %.2fm",
@@ -190,7 +190,7 @@ void Rover::update_home()
             if (get_distance(loc, ahrs.get_home()) > DISTANCE_HOME_MAX) {
                 ahrs.set_home(loc);
                 Log_Write_Home_And_Origin();
-                GCS_MAVLINK::send_home_all(gps.location());
+                gcs().send_home(gps.location());
             }
         }
     }