def find_our_pad(args):
"Find the snap-pad specified by the user on the command line"
if args.mock_pad:
from test.test_snap_pad_mock import SnapPadHWMock
return SnapPad(SnapPadHWMock(), "MOCK")
pads = list_snap_pads(args)
if args.sn:
for (port, sn) in pads:
if sn == args.sn:
return SnapPad(port)
logging.error("No Snap-Pad matching serial number {0} found.".format(args.serial))
return None
elif args.port:
return SnapPad(args.port)
else:
if len(pads) == 0:
logging.error("No Snap-Pads detected; check that your Snap-Pad is plugged in.")
raise NoPadError()
elif len(pads) > 1:
logging.error("Multiple Snap-Pads detected; use the --sn or --port option to choose one.")
raise NoPadError()
else:
return SnapPad(pads[0][0], pads[0][1])
return None
def list_handler(args):
pads = list_snap_pads(args)
sys.stdout.write("{0} Snap-Pads detected.\n".format(len(pads)))
for (port, sn) in pads:
sys.stdout.write("Port: {0} SN: {1}\n".format(port, sn))
