change more references and comments

lib/FileSystem/fnFS.cpp

@@ -58,6 +58,8 @@ const char * FileSystem::type_to_string(fsType type)
     {
         case FSTYPE_SPIFFS:
             return "FS_SPIFFS";
+        case FSTYPE_LITTLEFS:
+            return "FS_LITTLEFS";
         case FSTYPE_SDFAT:
             return "FS_SDFAT";
         case FSTYPE_TNFS:

lib/config/fnc_load.cpp

@@ -12,7 +12,7 @@
 
 #include "../../include/debug.h"
 
-/* Load configuration data from SPIFFS. If no config file exists in SPIFFS,
+/* Load configuration data from FLASH. If no config file exists in FLASH,
    copy it from SD if a copy exists there.
 */
 void fnConfig::load()
@@ -46,15 +46,15 @@ void fnConfig::load()
 #endif /* NO_BUTTONS */
 
     /*
-Original behavior: read from SPIFFS first and only read from SD if nothing found on SPIFFS.
+Original behavior: read from FLASH first and only read from SD if nothing found on FLASH.
 
-    // See if we have a file in SPIFFS
+    // See if we have a file in FLASH
     if(false == fsFlash.exists(CONFIG_FILENAME))
     {
         // See if we have a copy on SD (only copy from SD if we don't have a local copy)
         if(fnSDFAT.running() && fnSDFAT.exists(CONFIG_FILENAME))
         {
-            Debug_println("Found copy of config file on SD - copying that to SPIFFS");
+            Debug_println("Found copy of config file on SD - copying that to FLASH");
             if(0 == fnSystem.copy_file(&fnSDFAT, CONFIG_FILENAME, &fsFlash, CONFIG_FILENAME))
             {
                 Debug_println("Failed to copy config from SD");
@@ -69,9 +69,9 @@ Original behavior: read from SPIFFS first and only read from SD if nothing found
     }
 */
     /*
-New behavior: copy from SD first if available, then read SPIFFS.
+New behavior: copy from SD first if available, then read FLASH.
 */
-    // See if we have a copy on SD load it to check if we should write to spiffs (only copy from SD if we don't have a local copy)
+    // See if we have a copy on SD load it to check if we should write to flash (only copy from SD if we don't have a local copy)
     FILE *fin = NULL; //declare fin
     if (fnSDFAT.running() && fnSDFAT.exists(CONFIG_FILENAME))
     {
@@ -86,7 +86,7 @@ New behavior: copy from SD first if available, then read SPIFFS.
             Debug_println("No config found - starting fresh!");
             return; // No local copy - ABORT
         }
-        Debug_println("Load fnconfig.ini from spiffs");
+        Debug_println("Load fnconfig.ini from flash");
         fin = fsFlash.file_open(CONFIG_FILENAME);
     }
     // Read INI file into buffer (for speed)
@@ -169,24 +169,24 @@ New behavior: copy from SD first if available, then read SPIFFS.
 
     _dirty = false;
 
-    if (fnConfig::get_general_fnconfig_spifs() == true) // Only if spiffs is enabled
+    if (fnConfig::get_general_fnconfig_spifs() == true) // Only if flash is enabled
     {
         if (true == fsFlash.exists(CONFIG_FILENAME))
         {
-            Debug_println("SPIFFS Config Storage: Enabled");
+            Debug_println("FLASH Config Storage: Enabled");
             FILE *fin = fsFlash.file_open(CONFIG_FILENAME);
             char *inibuffer = (char *)malloc(CONFIG_FILEBUFFSIZE);
             if (inibuffer == nullptr)
             {
-                Debug_printf("Failed to allocate %d bytes to read config file from SPIFFS\r\n", CONFIG_FILEBUFFSIZE);
+                Debug_printf("Failed to allocate %d bytes to read config file from FLASH\r\n", CONFIG_FILEBUFFSIZE);
                 return;
             }
             int i = fread(inibuffer, 1, CONFIG_FILEBUFFSIZE - 1, fin);
             fclose(fin);
-            Debug_printf("fnConfig::load read %d bytes from SPIFFS config file\r\n", i);
+            Debug_printf("fnConfig::load read %d bytes from FLASH config file\r\n", i);
             if (i < 0)
             {
-                Debug_println("Failed to read data from SPIFFS configuration file");
+                Debug_println("Failed to read data from FLASH configuration file");
                 free(inibuffer);
                 return;
             }
@@ -196,7 +196,7 @@ New behavior: copy from SD first if available, then read SPIFFS.
             ss_ffs << inibuffer;
             free(inibuffer);
             if (ss.str() != ss_ffs.str()) {
-                Debug_println("Copying SD config file to SPIFFS");
+                Debug_println("Copying SD config file to FLASH");
                 if (0 == fnSystem.copy_file(&fnSDFAT, CONFIG_FILENAME, &fsFlash, CONFIG_FILENAME))
                 {
                     Debug_println("Failed to copy config from SD");
@@ -207,8 +207,8 @@ New behavior: copy from SD first if available, then read SPIFFS.
         }
         else
         {
-            Debug_println("Config file dosn't exist on SPIFFS");
-            Debug_println("Copying SD config file to SPIFFS");
+            Debug_println("Config file dosn't exist on FLASH");
+            Debug_println("Copying SD config file to FLASH");
             if (0 == fnSystem.copy_file(&fnSDFAT, CONFIG_FILENAME, &fsFlash, CONFIG_FILENAME))
             {
                     Debug_println("Failed to copy config from SD");

lib/config/fnc_save.cpp

@@ -8,7 +8,7 @@
 
 #include "../../include/debug.h"
 
-/* Save configuration data to SPIFFS. If SD is mounted, save a backup copy there.
+/* Save configuration data to FLASH. If SD is mounted, save a backup copy there.
 */
 void fnConfig::save()
 {
@@ -161,16 +161,16 @@ void fnConfig::save()
     FILE *fout = NULL;
     if (fnConfig::get_general_fnconfig_spifs() == true) //only if spiffs is enabled
     {
-        Debug_println("SPIFFS Config Storage: Enabled. Saving config to SPIFFS");
+        Debug_println("FLASH Config Storage: Enabled. Saving config to FLASH");
         if ( !(fout = fsFlash.file_open(CONFIG_FILENAME, "w")))
         {
-            Debug_println("Failed to Open config on SPIFFS");
+            Debug_println("Failed to Open config on FLASH");
             return;
         }
     }
     else
     {
-        Debug_println("SPIFFS Config Storage: Disabled. Saving config to SD");
+        Debug_println("FLASH Config Storage: Disabled. Saving config to SD");
         if ( !(fout = fnSDFAT.file_open(CONFIG_FILENAME, "w")))
         {
             Debug_println("Failed to Open config on SD");
@@ -185,7 +185,7 @@ void fnConfig::save()
 
     _dirty = false;
 
-    // Copy to SD if possible, only when wrote SPIFFS first 
+    // Copy to SD if possible, only when wrote FLASH first 
     if (fnSDFAT.running() && fnConfig::get_general_fnconfig_spifs() == true)
     {
         Debug_println("Attempting config copy to SD");

lib/hardware/fnSystem.cpp

@@ -401,7 +401,7 @@ void SystemManager::delete_tempfile(FileSystem *fs, const char *filename)
 
 /*
  Remove specified temporary file, if fnSDFAT available, then file is deleted there,
- otherwise deleted from SPIFFS
+ otherwise deleted from FLASH
 */
 void SystemManager::delete_tempfile(const char *filename)
 {

lib/printer-emulator/printer_emulator.cpp

@@ -29,7 +29,7 @@ printer_emu::~printer_emu()
 // virtual void flushOutput(); // do this in pageEject
 
 // Copy contents of given file to the current printer output file
-// Assumes source file is in SPIFFS
+// Assumes source file is in FLASH
 size_t printer_emu::copy_file_to_output(const char *filename)
 {
 #define PRINTER_FILE_COPY_BUFLEN 2048