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# 1.10 LittleFS Filesystem using SST26 Media

This application shows an example of using the LittleFS File System to access SST26 flash media using SPI protocol.

## Description

### File System Operations on the On-Board SST26 Flash Memory:

- Performs a SYS_FS_FormatDisk
- Opens a newfile.txt on the SST26 flash
- Write and reads back 4KB of data on newfile.txt
- Verifies the Data Read back

### File System layer uses:

- One instance of the Memory driver is used to communicate with the On-Board SPI Flash memory

## Downloading and Building the Application

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/fs/spi_flash_littlefs/firmware.

To build the application, refer to the following table and open the project using its IDE.

Project Name | Description
--- | ---
pic32mz_w1_curiosity.X | MPLABX project for PIC32MZ W1 Curiosity Board

## Setting Up the Hardware

The following table shows the target hardware for the application projects.

Project Name | Description
--- | ---
pic32mz_w1_curiosity.X | PIC32MZ W1 Curiosity Board

### Setting Up PIC32MZ W1 Curiosity Board

- Connect micro USB cable to the ‘USB Debug’ connector(J302) on the board to the computer

## Running the Application

1. Build and program the application using its IDE
2. The LED is turned ON if data has successfully been written and read back from file “newfile.txt”

Refer to the following table for LED name:

Board | LED Name
--- | ---
PIC32MZ W1 Curiosity Board | RED LED (D202)