ubuntu@ubuntu-VirtualBox:~/Desktop/rockbox_gerrit$ ./sbloader_32
sbloader [options] file
options:
  -h/-?/--help    Display this help
  -d/--debug      Enable debug output
  -x <size>       Force transfer size
  -u <vid>:<pid>  Force USB PID and VID
  -b <bus>:<dev>  Force USB bus and device
  -p <protocol>   Force protocol ('hid' or 'recovery')
The following devices are known to this tool:
  066f:3780 hid (0 bytes/xfer)
  066f:3770 hid (0 bytes/xfer)
  15a2:004f hid (0 bytes/xfer)
  066f:3600 recovery (4096 bytes/xfer)
You can select a particular device by USB PID and VID.
In case this is ambiguous, use bus and device number.
Protocol is infered if possible and unspecified.
Transfer size is infered if possible.
ubuntu@ubuntu-VirtualBox:~/Desktop/rockbox_gerrit$