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StmDfuUsb

StmDfuUsb

Category:Tools Size:2.6 MB Version:1.25

Developer:Yaroslav Trymbach Rate:5.0 Update:Nov 20,2024

5.0
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Application Description

Updating Firmware of STM32 CPU via USB Cable Using USB DFU Protocol

Introduction

This application enables the firmware update of STM32 CPUs via USB cable using the USB DFU protocol. Its development is based on documentation from STMicroelectronics:

  • AN2606: STM32 Microcontroller System Memory Boot Mode
  • AN3156: USB DFU Protocol Used in the STM32 Bootloader

Prerequisites

  • Mobile device with USB-OTG support

Preparation

  1. Connect the STM32 board to your mobile device using a USB-OTG cable.
  2. Activate bootloader mode for STM32. Refer to AN2606 for instructions. Typically, set BOOT0 and BOOT1 pins according to your CPU model.

Programming

  1. Select the firmware file to write. Supported formats include:

    • Intel hex
    • Motorola S-Record
    • DfuSe (STMicroelectronics DFU format)
    • Raw binary

  2. Configure writing options:

    • Erase only necessary pages
    • Unset readout protection (if required)
    • Go to CPU after programming
  3. Click "Load File to Flash" and wait for the operation to complete.

Additional Operations

  • Erasing
  • Checking flash for blank
  • Comparing flash with file

Select these operations from the menu.

Tested Microcontrollers

  • STM32F072
  • STM32F205
  • STM32F302
  • STM32F401
  • STM32F746
  • STM32G474
  • STM32L432

Usage Restrictions

  • Free usage for up to 25 firmware uploads.

  • Purchase additional services for:

    • 100 additional uploads
    • Unlimited usage
Tools
Screenshot
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