TDBStore: Increase min pages to 14

Increase minimum page count from 10 to 14 based on further experiments
with features-storage-tests-kvstore-static_tests.

Author: Kyle Kearney

features/storage/kvstore/conf/filesystem/mbed_lib.json

@@ -2,7 +2,7 @@
     "name": "storage_filesystem",
     "config": {
         "rbp_internal_size": {
-            "help": "Default is the larger of the last 2 sectors or last 10 pages of flash.",
+            "help": "Default is the larger of the last 2 sectors or last 14 pages of flash.",
             "value": "0"
         },
         "internal_base_address": {

features/storage/kvstore/conf/kv_config.cpp

@@ -180,12 +180,12 @@ int _calculate_blocksize_match_tdbstore(BlockDevice *bd)
     bd_size_t number_of_sector = size / erase_size;
     bd_size_t number_of_page = size / page_size;
     if (number_of_sector < TDBStore::STORE_SECTORS) {
-        tr_warning("KV Config: There are less than two sectors - TDBStore will not work.");
+        tr_warning("KV Config: There are less than %d sectors - TDBStore will not work.", TDBStore::STORE_SECTORS);
         return -1;
     }
 
     if (number_of_page < TDBStore::STORE_PAGES) {
-        tr_warning("KV Config: There are less than ten pages sectors - TDBStore will not work.");
+        tr_warning("KV Config: There are less than %d pages - TDBStore will not work.", TDBStore::STORE_PAGES);
         return -1;
     }
 
@@ -581,9 +581,9 @@ int _create_internal_tdb(BlockDevice **internal_bd, KVStore **internal_tdb, bd_s
         return MBED_ERROR_FAILED_OPERATION ;
     }
 
-    //Check if TDBStore has at least 2 sectors or 10 pages.
+    //Check if TDBStore has at least 2 sectors or 14 pages.
     if (_calculate_blocksize_match_tdbstore(*internal_bd) != MBED_SUCCESS) {
-        tr_error("KV Config: Can not create TDBStore with less then 2 sectors or 10 pages.");
+        tr_error("KV Config: Can not create TDBStore with less then %d sectors or %d pages.", TDBStore::STORE_SECTORS, TDBStore::STORE_PAGES);
         return MBED_ERROR_INVALID_ARGUMENT;
     }
 
@@ -749,9 +749,9 @@ int _storage_config_tdb_external_common()
         return MBED_ERROR_FAILED_OPERATION ;
     }
 
-    //Check that there is at least 2 sectors for the external TDBStore
+    //Check that there is at least 2 sectors or 14 pages for the external TDBStore
     if (_calculate_blocksize_match_tdbstore(kvstore_config.external_bd) != MBED_SUCCESS) {
-        tr_error("KV Config: Can not create TDBStore with less then 2 sectors or 10 pages.");
+        tr_error("KV Config: Can not create TDBStore with less then 2 sectors or 14 pages.");
         return MBED_ERROR_INVALID_SIZE;
     }
 

features/storage/kvstore/conf/tdb_external/mbed_lib.json

@@ -2,7 +2,7 @@
     "name": "storage_tdb_external",
     "config": {
         "rbp_internal_size": {
-            "help": "Default is the larger of the last 2 sectors or last 10 pages of flash.",
+            "help": "Default is the larger of the last 2 sectors or last 14 pages of flash.",
             "value": "0"
         },
         "internal_base_address": {

features/storage/kvstore/conf/tdb_internal/mbed_lib.json

@@ -2,7 +2,7 @@
     "name": "storage_tdb_internal",
     "config": {
         "internal_size": {
-            "help": "Size of the FlashIAP block device. Default size will be the larger of the last 2 sectors or last 10 pages of flash.",
+            "help": "Size of the FlashIAP block device. Default size will be the larger of the last 2 sectors or last 14 pages of flash.",
             "value": "0"
         },
         "internal_base_address": {

features/storage/kvstore/tdbstore/TDBStore.h

@@ -36,12 +36,12 @@ class TDBStore : public KVStore {
 
     static const uint32_t RESERVED_AREA_SIZE = 64;
 
-    // Use the last 2 sectors or 10 pages of flash for the TDBStore by default (whichever is larger)
+    // Use the last 2 sectors or 14 pages of flash for the TDBStore by default (whichever is larger)
     // For each area: must be a minimum of 1 page of reserved and 2 pages for master record
     /** Minimum number of internal flash sectors required for TDBStore */
     static const int STORE_SECTORS = 2;
     /** Minimum number of internal flash pages required for TDBStore */
-    static const int STORE_PAGES = 10;
+    static const int STORE_PAGES = 14;
 
     /**
      * @brief Class constructor