code: def exit_dfu():
      
  
      # set jump address
      set_address(0x08000000)
  
      # Send DNLOAD with 0 length to exit DFU
      __dev.ctrl_transfer(0x21, __DFU_DNLOAD, 0, __DFU_INTERFACE,
                          None, __TIMEOUT)
  
      try:
          # Execute last command
          if get_status() != __DFU_STATE_DFU_MANIFEST:
              print("Failed to reset device")
  
          # Release device
          usb.util.dispose_resources(__dev)
      except:
          pass
docs: Exit DFU mode, and start running the program.