1.8 File System Bootloader

The File System bootloader library can be used to upgrade firmware on a target device without the need for an external programmer or debugger.

Features

• Supported on CORTEX-M and MIPS based MCUs
• Uses Harmony 3 File System Service to communicate with underlying media
• Takes Binary File as input

File System Bootloader Block Diagram

• Bootloader Task:

  • Uses File System Service to read the Binary file from the media

  • Erases the Flash memory

  • Programs the binary into Flash memory

  • Jumps to the Application

  • Runs in Cooperative mode with other tasks in the system

• Supported Medias:

  • USB Host MSD
  • SDCARD
  • Serial Memory
    • I²C EEPROM
    • SPI EEPROM
    • SPI Flash
    • QSPI Flash