def _open(args):
device = args.device
if args.hidpp and not device:
for d in _hid.enumerate(vendor_id=0x046d):
if d.driver == 'logitech-djreceiver':
device = d.path
break
if not device:
sys.exit("!! No HID++ receiver found.")
if not device:
sys.exit("!! Device path required.")
print(".. Opening device", device)
handle = _hid.open_path(device)
if not handle:
sys.exit("!! Failed to open %s, aborting." % device)
print(".. Opened handle %r, vendor %r product %r serial %r." %
(handle, _hid.get_manufacturer(handle), _hid.get_product(handle),
_hid.get_serial(handle)))
if args.hidpp:
if _hid.get_manufacturer(handle) != b'Logitech':
sys.exit("!! Only Logitech devices support the HID++ protocol.")
print(".. HID++ validation enabled.")
else:
if (_hid.get_manufacturer(handle) == b'Logitech'
and b'Receiver' in _hid.get_product(handle)):
args.hidpp = True
print(".. Logitech receiver detected, HID++ validation enabled.")
return handle
def _open(device, hidpp):
if hidpp and not device:
for d in hidapi.enumerate(vendor_id=0x046d):
if d.driver == 'logitech-djreceiver':
device = d.path
break
if not device:
sys.exit("!! No HID++ receiver found.")
if not device:
sys.exit("!! Device path required.")
print (".. Opening device", device)
handle = hidapi.open_path(device)
if not handle:
sys.exit("!! Failed to open %s, aborting." % device)
print (".. Opened handle %r, vendor %r product %r serial %r." % (
handle,
hidapi.get_manufacturer(handle),
hidapi.get_product(handle),
hidapi.get_serial(handle)))
if hidpp:
if hidapi.get_manufacturer(handle) != b'Logitech':
sys.exit("!! Only Logitech devices support the HID++ protocol.")
print (".. HID++ validation enabled.")
return handle
