Reference

Driver

Dfu-util (Device Firmware Upgrade Utilities) is a free, open-source, cross-platform firmware update program, it is easy to update firmware for devices with microcontrollers without platform limitations. More information: http://dfu-util.sourceforge.net

In Windows

1. Download the USB installation tool zadig.exe
Address: http://zadig.akeo.ie/downloads/zadig_2.2.exe

2. Enter dfu mode
Short-circuit the boot's two pins, and then connect it to the computer via USB

3. Install winUSB

Click Options, check All Devices(1)

Select "STM32 DFU" in the drop-down box (2)

Select "WinUSB" (3)

Click Install Driver(4)

If there is a dialog box, click Continue to install.

When installing winUSB with zadig fails, the following interface will appear. (Win10 does not have the same situation.)

Win 7 (32-bit/64-bit)
Download msvcr100d.dll, place it in the C:\Windows\System32 directory, and then re-install the driver. There will be no mistakes.

Win 8
32-bit
Download msvcr100d.dll, place it in the C:\Windows\System32 directory, and then re-install the driver.

64-bit
Download msvcr100d.dll, place it in the same directory as zadig.exe. (There will be a new error in the C:\Windows\System32 directory)

• 4. Download the dfu-util tool
  32-bit Click to download
  64-bit Click to download

• 5. Extract the file to your computer, such as "Desktop > dfu-util-0.9-win64", and use it without installation

• 6. Firmware update, Click to download, unzip and copy the xxxx.dfu, erase.bin, and upload.py from the windows directory to the "desktop > dfu-util-0.9-win64".

• 7. Run upload.py (Windows need to install python firstly. Click to download.

• 8. The following interface appears, indicating that the program is being burned.

• 9. After the burning is completed, replug the USB device.

In Linux

• 1. Enter dfu mode
  Short-circuit the boot's two pins, and then connect it to the computer via USB

• 2. Use apt-get for installation of dfu-util
  Apt-get install dfu-util

• 3. Use upload.py for firmware upgrade (requires root privileges)

• 4. Firmware update. Click to download.

  Open the terminal and enter into the newly downloaded firmware directory (DFRobot_RaspberryPi_TouchScreen_Firmware/linux)

  Use sudo python upload.py to run the program.

• 5. Replug the USB device.

In Mac

• 1. Enter dfu mode
  Short-circuit the boot's two pins, and then connect it to the computer via USB

• 2. Open the terminal
  Open the launcpad

Search for "terminal" on the top of the screen.

Open the terminal

• 3. Install dfu-util
  brew install dfu-util

• 4.Use upload.py for firmware upgrade (requires root privileges)

• 5. Firmware update. Click to download
  Open the terminal and enter into the newly downloaded firmware directory (DFRobot_RaspberryPi_TouchScreen_Firmware/linux)
  Use sudo python upload.py to run the program。

• 6. Replug the USB device