dfu-util - (C) 2007-2008 by OpenMoko Inc.
This program is Free Software and has ABSOLUTELY NO WARRANTY

Usage: dfu-util [options] ...
  -h --help			Print this help message
  -V --version			Print the version number
  -l --list			List the currently attached DFU capable USB devices
  -d --device vendor:product	Specify Vendor/Product ID of DFU device
  -p --path bus-port. ... .port	Specify path to DFU device
  -c --cfg config_nr		Specify the Configuration of DFU device
  -i --intf intf_nr		Specify the DFU Interface number
  -a --alt alt			Specify the Altsetting of the DFU Interface
				by name or by number
  -t --transfer-size		Specify the number of bytes per USB Transfer
  -U --upload file		Read firmware from device into <file>
  -D --download file		Write firmware from <file> into device
  -R --reset			Issue USB Reset signalling once we're finished