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@@ -12,6 +12,7 @@
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##### Warning: It depends on ESP-IDF, esp32 core, esp_littlefs and Mbed LittleFS versions
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- Tested with [esp32-core #git b92c58d](https://github.com/espressif/arduino-esp32/commit/b92c58d74b151c7a3b56db4e78f2d3c90c16446f) and on core [release 1.0.4](https://github.com/espressif/arduino-esp32/releases/tag/1.0.4)
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+- See LITTLEFS_time example for enabling file timestamps
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### Installation
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@@ -39,8 +40,14 @@
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- At root a "/folder" = "folder"
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- Requires a label for mount point, NULL will not work
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- maxOpenFiles parameter is unused, kept for compatibility
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-- Speed is 4-5 times faster writing, 1.5 times slower reading
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- LITTLEFS.mkdir(path) and LITTLEFS.rmdir(path)
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+- Speed comparison based on <b>LittleFS_test.ino</b> sketch (for a file 1048576 bytes):
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+
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+|Filesystem|Read time [ms]|Write time [ms]|
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+|----|----|----|
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+|FAT|276|14493|
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+|SPIFFS|767|65622|
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+|LITTLEFS|916|16200|
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### Arduino ESP32 LittleFS filesystem upload tool
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@@ -53,6 +60,22 @@
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- Copy the binary to ```packages\esp32\hardware\esp32\<x.x.x>\tools\mklittlefs\``` folder
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- Restart Arduino IDE.
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+### PlatformIO
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+ (notes from [BlueAndi](https://github.com/BlueAndi) )
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+- Add to _platformio.ini_:
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+ `extra_scripts = replace_fs.py`
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+
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+- Add _replace_fs.py_ to project root directory (where platformio.ini is located):
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+
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+ ```python
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+ Import("env")
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+ print("Replace MKSPIFFSTOOL with mklittlefs.exe")
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+ env.Replace (MKSPIFFSTOOL = "mklittlefs.exe")
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+ ```
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+
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+- Add _mklittlefs.exe_ to project root directory as well.
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+
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+
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## Credits and license
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- This work is based on [Mbed LittleFS](https://github.com/ARMmbed/littlefs) , [ESP-IDF port of joltwallet/esp_littlefs](https://github.com/joltwallet/esp_littlefs) , [Espressif Arduino core for the ESP32, the ESP-IDF - SPIFFS Library](https://github.com/espressif/arduino-esp32/tree/master/libraries/SPIFFS)
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lorol