StorageManager: added storage region for signing keys

libraries/StorageManager/StorageManager.cpp

@@ -44,8 +44,8 @@ const StorageManager::StorageArea StorageManager::layout_default[STORAGE_NUM_ARE
     { StorageParam,   4096,  1280},
     { StorageRally,   5376,   300},
     { StorageFence,   5676,   256},
-    { StorageMission, 5932,  2132}, // leave 4 byte gap for PX4
-                                    // sentinal and expansion
+    { StorageMission, 5932,  2132}, 
+    { StorageKeys,    8064,    64}, 
 #endif
 #if STORAGE_NUM_AREAS >= 12
     { StorageParam,    8192,  1280},
@@ -70,8 +70,8 @@ const StorageManager::StorageArea StorageManager::layout_copter[STORAGE_NUM_AREA
     { StorageParam,   4096,  1280},
     { StorageRally,   5376,   300},
     { StorageFence,   5676,   256},
-    { StorageMission, 5932,  2132}, // leave 128 byte gap for
-                                    // expansion and PX4 sentinal
+    { StorageMission, 5932,  2132},
+    { StorageKeys,    8064,    64}, 
 #endif
 #if STORAGE_NUM_AREAS >= 12
     { StorageParam,    8192,  1280},

libraries/StorageManager/StorageManager.h

@@ -28,9 +28,9 @@
   storage. Use larger areas for other boards
  */
 #if HAL_STORAGE_SIZE >= 16384
-#define STORAGE_NUM_AREAS 12
+#define STORAGE_NUM_AREAS 13
 #elif HAL_STORAGE_SIZE >= 8192
-#define STORAGE_NUM_AREAS 8
+#define STORAGE_NUM_AREAS 9
 #elif HAL_STORAGE_SIZE >= 4096
 #define STORAGE_NUM_AREAS 4
 #else
@@ -47,7 +47,8 @@ public:
         StorageParam   = 0,
         StorageFence   = 1,
         StorageRally   = 2,
-        StorageMission = 3
+        StorageMission = 3,
+        StorageKeys    = 4
     };
 
     // erase whole of storage