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been physically removed from the machine, or the kernel driver has been
unloaded. The handle will be closed automatically.
"""
# the data is padded to either 5 or 18 bytes
assert data is not None
assert isinstance(data, bytes), (repr(data), type(data))
if len(data) > _SHORT_MESSAGE_SIZE - 2 or data[:1] == b'\x82':
wdata = _pack('!BB18s', 0x11, devnumber, data)
else:
wdata = _pack('!BB5s', 0x10, devnumber, data)
if _log.isEnabledFor(_DEBUG):
_log.debug("(%s) <= w[%02X %02X %s %s]", handle, ord(wdata[:1]), devnumber, _strhex(wdata[2:4]), _strhex(wdata[4:]))
try:
_hid.write(int(handle), wdata)
except Exception as reason:
_log.error("write failed, assuming handle %r no longer available", handle)
close(handle)
raise NoReceiver(reason=reason)
# move the cursor at the bottom of the screen
sys.stdout.write('\033[300B') # move cusor at most 300 lines down, don't scroll
while t.is_alive():
line = read_packet(prompt)
line = line.strip().replace(' ', '')
# print ("line", line)
if not line:
continue
data = _validate_input(line, args.hidpp)
if data is None:
continue
_print('<<', data)
_hid.write(handle, data)
# wait for some kind of reply
if args.hidpp and not interactive:
rlist, wlist, xlist = _select([handle], [], [], 1)
if data[1:2] == b'\xFF':
# the receiver will reply very fast, in a few milliseconds
time.sleep(0.010)
else:
# the devices might reply quite slow
time.sleep(0.700)
except EOFError:
if interactive:
print ("")
else:
time.sleep(1)
finally: