Can work also on IDF 3.2

To do so, in esp_littlefs.c uncomment line
//#define CONFIG_LITTLEFS_FOR_IDF_3_2
cleanup

README.md

@@ -1,7 +1,6 @@
 # LITTLEFS
-## LittleFS library for arduino-esp32
 
-#### Warning: Tested only with git arduino-esp32 #b92c58d core, which is for ESP-IDF 3.3! </br> With other versions/releases of the core including release 1.0.4, especially against different IDF this will NOT not work.
+## LittleFS library for arduino-esp32
 
 - A LittleFS wrapper for Arduino ESP32 of [Mbed LittleFS](https://github.com/ARMmbed/littlefs)
 - Based on [ESP-IDF port of joltwallet/esp_littlefs](https://github.com/joltwallet/esp_littlefs) , thank you Brian!
@@ -9,6 +8,12 @@
 - You can use either LITTLEFS or SPIFFS but not both simultaneously on given Arduino project
 - A PR to embed it to esp32 core is made too. See the [PR status here](https://github.com/espressif/arduino-esp32/pull/4096) 
 
+#### Warning: Depends on ESP-IDF version
+- For esp32-core release 1.0.4, uncomment this line of <b>esp_littlefs.c</b>:
+```
+//#define CONFIG_LITTLEFS_FOR_IDF_3_2 
+```
+
 ### Installation
 
 - Copy <b>LITTLEFS</b> folder to Arduino IDE embedded libraries place
@@ -56,4 +61,4 @@ packages\esp32\tools\mkspiffs\<mklittlefs rev. x.x.x>\ or on checkout (dev) envi
 
 ## To Do
 
-- Supporting different IDF versions 
+- Supporting smarter different IDF versions 

src/esp_littlefs.c

@@ -5,6 +5,7 @@
  */
 
 //#define LOG_LOCAL_LEVEL 4
+//#define CONFIG_LITTLEFS_FOR_IDF_3_2   /* For old IDF - like in release 1.0.4 */
 
 #include "esp_log.h"
 #include "esp_spi_flash.h"
@@ -23,7 +24,6 @@
 #include "esp_littlefs.h"
 #include "littlefs_api.h"
 
-
 static const char TAG[] = "esp_littlefs";
 
 #define CONFIG_LITTLEFS_BLOCK_SIZE 4096 /* ESP32 can only operate at 4kb */
@@ -41,9 +41,13 @@ static const char TAG[] = "esp_littlefs";
 #define CONFIG_LITTLEFS_LOOKAHEAD_SIZE 128
 #define CONFIG_LITTLEFS_CACHE_SIZE 128
 #define CONFIG_LITTLEFS_BLOCK_CYCLES 512
+
+#ifdef CONFIG_LITTLEFS_FOR_IDF_3_2
+#define CONFIG_LITTLEFS_USE_MTIME 0
+#else
 #define CONFIG_LITTLEFS_USE_MTIME 1
 #define CONFIG_LITTLEFS_MTIME_USE_SECONDS 1
-
+#endif
 
 
 /**
@@ -174,11 +178,13 @@ esp_err_t esp_vfs_littlefs_register(const esp_vfs_littlefs_conf_t * conf)
         .mkdir_p     = &vfs_littlefs_mkdir,
         .rmdir_p     = &vfs_littlefs_rmdir,
         .fsync_p     = &vfs_littlefs_fsync,
+#ifndef CONFIG_LITTLEFS_FOR_IDF_3_2
 #if CONFIG_LITTLEFS_USE_MTIME
         .utime_p     = &vfs_littlefs_utime,
 #else
         .utime_p     = NULL,
 #endif // CONFIG_LITTLEFS_USE_MTIME
+#endif //CONFIG_LITTLEFS_FOR_IDF_3_2
     };
 
     esp_err_t err = esp_littlefs_init(conf);

src/esp_littlefs.h

@@ -13,7 +13,6 @@
 #include <sys/reent.h>
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <sys/termios.h>
 #include <sys/poll.h>
 #include <dirent.h>
 #include <string.h>