LITTLEFS/examples/LITTLEFS_PlatformIO

How to run on PlatformIO IDE

• Download and extract here the mklittlefs executable for your OS from a zipped binary here
• Open LITTLEFS_PlatformIO folder
• Run PlatformIO project task: Upload Filesystem Image
• Run PlatformIO project task: Upload and Monitor

• You will see a Serial output like:

  --- Miniterm on COM5  115200,8,N,1 ---
  --- Quit: Ctrl+C | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---
  Listing directory: /
  FILE: /file1.txt      SIZE: 3
  FILE: /test.txt       SIZE: 0
  DIR : /testfolder
  Creating Dir: /mydir
  Dir created
  Writing file: /mydir/hello2.txt
  - file written
  Listing directory: /
  FILE: /file1.txt      SIZE: 3
  DIR : /mydir
  Listing directory: /mydir
  FILE: /mydir/hello2.txt       SIZE: 6
  FILE: /test.txt       SIZE: 0
  DIR : /testfolder
  Listing directory: /testfolder
  FILE: /testfolder/test2.txt   SIZE: 3
  Deleting file: /mydir/hello2.txt
  - file deleted
  Removing Dir: /mydir
  Dir removed
  Listing directory: /
  FILE: /file1.txt      SIZE: 3
  FILE: /test.txt       SIZE: 0
  DIR : /testfolder
  Listing directory: /testfolder
  FILE: /testfolder/test2.txt   SIZE: 3
  Writing file: /hello.txt
  - file written
  Appending to file: /hello.txt
  - message appended
  Reading file: /hello.txt
  - read from file:
  Hello World!
  Renaming file /hello.txt to /foo.txt
  - file renamed
  Reading file: /foo.txt
  - read from file:
  Hello World!
  Deleting file: /foo.txt
  - file deleted
  Testing file I/O with /test.txt
  - writing................................................................
  - 1048576 bytes written in 11369 ms
  - reading................................................................
  - 1048576 bytes read in 523 ms
  Deleting file: /test.txt
  - file deleted
  Test complete
  

• If you have a module with more than 4MB flash, you can uncomment partitions_custom.csv in platformio.ini and modify the csv file accordingly