GCS_MAVLink: add EFI_STATUS message

libraries/GCS_MAVLink/GCS_Common.cpp

@@ -38,6 +38,7 @@
 #include <AP_VisualOdom/AP_VisualOdom.h>
 #include <AP_OpticalFlow/OpticalFlow.h>
 #include <AP_Baro/AP_Baro.h>
+#include <AP_EFI/AP_EFI.h>
 
 #include <stdio.h>
 
@@ -4477,6 +4478,17 @@ bool GCS_MAVLINK::try_send_message(const enum ap_message id)
         break;
     }
 
+    case MSG_EFI_STATUS: {
+#if EFI_ENABLED
+        CHECK_PAYLOAD_SIZE(EFI_STATUS);
+        AP_EFI *efi = AP::EFI();
+        if (efi) {
+            efi->send_mavlink_status(chan);
+        }
+#endif
+        break;
+    }
+
     default:
         // try_send_message must always at some stage return true for
         // a message, or we will attempt to infinitely retry the

libraries/GCS_MAVLink/ap_message.h

@@ -73,5 +73,6 @@ enum ap_message : uint8_t {
     MSG_NAMED_FLOAT,
     MSG_EXTENDED_SYS_STATE,
     MSG_AUTOPILOT_VERSION,
+    MSG_EFI_STATUS,
     MSG_LAST // MSG_LAST must be the last entry in this enum
 };