[Nut-upsdev] Liebert PSI 1440 support

[Stewart Morgan]

Hello again,

Peter Selinger wrote:
> If you just want to read raw information from your device, you can use
> the program "get_descriptor.c" that I posted on the mailing list on
> Aug 30:

	Right, I've managed to build it; though from the output (below, with 
libusb debug on), it doesn't look like it wants to play :(

----8<--------8<--------8<--------8<--------8<--------8<--------8<----
#> USB_DEBUG=3 ./get_descriptor /dev/usb0 /dev/ugen0 0 0 0 128 0x22 0
usb_set_debug: Setting debugging level to 3 (on)
usb_os_find_busses: Found /dev/usb0
usb_os_find_devices: Found /dev/ugen0 on /dev/usb0
usb_control_msg: 128 6 512 0 0xbfbfe210 8 1000
usb_control_msg: 128 6 512 0 0x804d040 34 1000
skipped 1 class/vendor specific interface descriptors
USB error: could not set alt intf 0/0: Invalid argument
Warning: could not set alt intf 0/0: Invalid argument
usb_control_msg: 128 6 8704 0 0xbfbfe2e0 2048 1000
USB error: error sending control message: Input/output error
Can't get endpoint 128 descriptor 0x22 index 0: error sending control 
message: Input/output error
---->8-------->8-------->8-------->8-------->8-------->8-------->8----

Stewart.