1.5 FAT Filesystem using SST26 Media

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 SQI 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/sqi_flash_fat/firmware.

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


Project Name	Description
sam_9x75_curiosity.X	MPLABX project for SAM9X75 Curiosity Development Board

Setting Up AT91Bootstrap Loader

To load the application binary onto the target device, we need to use at91bootstrap loader. Refer to the at91bootstrap loader documentation for details on how to configure, build and run bootstrap loader project and use it to bootstrap the application binaries.

Setting Up the Hardware

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


Project Name	Description
sam_9x75_curiosity.X	SAM9X75 Curiosity Development Board

Setting Up SAM9X75 Curiosity Development Board

Connect the UART DEBUG J35 on board to the computer using a UART-FTDI cable (to enable debug com port)
Connect the USB port J2 on board to the computer using a micro USB cable (to power the board)
Connect jumper J10 (QSPI_BOOT)

Running the Application

Build and program the application using its IDE
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
SAM9X75 Curiosity Development Board	RGB_LED(Green)