Index: sources/storage/StorageGlobals.cpp
===================================================================
diff -u -r54c4136d95375116e6daf23b7d4179159cf13d0c -rfec49d1a8016d25cedff4cf2fefb4c4cd1c7c259
--- sources/storage/StorageGlobals.cpp	(.../StorageGlobals.cpp)	(revision 54c4136d95375116e6daf23b7d4179159cf13d0c)
+++ sources/storage/StorageGlobals.cpp	(.../StorageGlobals.cpp)	(revision fec49d1a8016d25cedff4cf2fefb4c4cd1c7c259)
@@ -40,7 +40,18 @@
     const char  *USB_File_System = "vfat";
 
     // SD-CARD
-    const short Available_Space_Percent = 15;
+    const short Log_Min_Available_Total_Space_Percent = 15; // Min free     : 15 // always has to be 15 percent free space available, less than this triggers the log cleanup.
+    const short Log_Max_Allowable_Event_Space_Percent = 25;
+    const short Log_Max_Allowable_Datum_Space_Percent = 25;
+    const short Log_Max_Allowable_AppED_Space_Percent = Log_Max_Allowable_Event_Space_Percent + Log_Max_Allowable_Datum_Space_Percent; // 50
+    const short Log_Max_Allowable_Debug_Space_Percent = 15;
+    const short Log_Max_Allowable_Trtmt_Space_Percent = 10;
+    //                                                      // Max Usage    : 75 =  25 + 25 + 15 + 10
+    //                                                      // Max Used     : 85 = 100 - 15
+    //                                                      // Min Buffer   : 10 =  85 - 75
+    //  IMPORTANT: we have to keep 10% buffer otherwise competition between filling and deleting logs will cause application to crash eventually.
+    short Log_Min_Available_Total_Space_IsLow(short vPercent) { return vPercent < Log_Min_Available_Total_Space_Percent; }
+
 #ifdef BUILD_FOR_TARGET
     const char  *SDCard_Base_Path_Name = "/media/sd-card/";
 #else
@@ -58,7 +69,14 @@
     // should be in the project application folder. [is tracking by git]
     const char *Settings_Path_Name = "/home/denali/Projects/application/resources/settings/";
 #endif
+    const char *Settings_Category_Instructions           = "Instructions/Instructions";
+    const char *Settings_Category_ConfigurationsDataList = "Configurations/DataList"  ;
+    const char *Settings_Category_Alarms                 = "Alarms/Alarms"            ;
+    const char *Settings_Category_MessagesUnhandled      = "Messages/Unhandled"       ;
+    const char *Settings_Category_SettingsSystem         = "Settings/System"          ;
+    const char *Settings_Category_NoCANBus               = "Development/NoCANBus"     ;
 
+
     // CloudSync credentials
 #ifdef BUILD_FOR_TARGET
     const char *CloudSync_Base_Path_Name = "/home/root/.cloudSync/";
@@ -85,10 +103,11 @@
 
     // Please notice that is the folder not the path
     // and it needs to be concatenated after SDCard_Base_Path_Name for each build configuration
-    const char *Log_Folder_Event     = "log/"      ;    // Event Log
-    const char *Log_Folder_Data      = "log/"      ;    // Data Log
-    const char *Log_Folder_Service   = "service/"  ;    // Service Log
-    const char *Log_Folder_Treatment = "treatment/";    // Treatment
+    const char *Log_Folder_Base      = SDCard_Base_Path_Name; // Base        Log Folder
+    const char *Log_Folder_Event     = "log/"               ; // Event       Log
+    const char *Log_Folder_Data      = "log/"               ; // Data        Log
+    const char *Log_Folder_Service   = "service/"           ; // Service     Log
+    const char *Log_Folder_Treatment = "treatment/"         ; // Treatment   Log
 
 
     // FIXME : Not sure having global settings object is a good idea.