AP_ADSB: use ObjectBuffer in place of AP_Buffer

libraries/AP_ADSB/AP_ADSB.cpp

@@ -844,12 +844,12 @@ void AP_ADSB::set_callsign(const char* str, const bool append_icao)
 
 void AP_ADSB::push_sample(adsb_vehicle_t &vehicle)
 {
-    samples.push_back(vehicle);
+    samples.push(vehicle);
 }
 
 bool AP_ADSB::next_sample(adsb_vehicle_t &vehicle)
 {
-    return samples.pop_front(vehicle);
+    return samples.pop(vehicle);
 }
 
 void AP_ADSB::handle_message(const mavlink_channel_t chan, const mavlink_message_t &msg)

libraries/AP_ADSB/AP_ADSB.h

@@ -21,13 +21,12 @@
   Tom Pittenger, November 2015
 */
 
+#include <AP_HAL/AP_HAL.h>
 #include <AP_Common/AP_Common.h>
 #include <AP_Param/AP_Param.h>
 #include <AP_Common/Location.h>
 #include <GCS_MAVLink/GCS_MAVLink.h>
 
-#include <AP_Buffer/AP_Buffer.h>
-
 class AP_ADSB {
 public:
     AP_ADSB()
@@ -189,7 +188,7 @@ private:
     AP_Int32 _special_ICAO_target;
 
     static const uint8_t max_samples = 30;
-    AP_Buffer<adsb_vehicle_t, max_samples> samples;
+    ObjectBuffer<adsb_vehicle_t> samples{max_samples};
 
     void push_sample(adsb_vehicle_t &vehicle);