diff options
Diffstat (limited to 'kvmd/plugins')
| -rw-r--r-- | kvmd/plugins/hid/_mcu/proto.py | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/kvmd/plugins/hid/_mcu/proto.py b/kvmd/plugins/hid/_mcu/proto.py index e7bc165d..62d7497e 100644 --- a/kvmd/plugins/hid/_mcu/proto.py +++ b/kvmd/plugins/hid/_mcu/proto.py @@ -28,6 +28,7 @@ from ....keyboard.mappings import KEYMAP from ....mouse import MouseRange from .... import tools +from .... import bitbang # ===== @@ -185,32 +186,19 @@ class MouseWheelEvent(BaseEvent): # ===== def check_response(response: bytes) -> bool: assert len(response) in (4, 8), response - return (_make_crc16(response[:-2]) == struct.unpack(">H", response[-2:])[0]) + return (bitbang.make_crc16(response[:-2]) == struct.unpack(">H", response[-2:])[0]) def _make_request(command: bytes) -> bytes: assert len(command) == 5, command request = b"\x33" + command - request += struct.pack(">H", _make_crc16(request)) + request += struct.pack(">H", bitbang.make_crc16(request)) assert len(request) == 8, request return request -def _make_crc16(data: bytes) -> int: - crc = 0xFFFF - for byte in data: - crc = crc ^ byte - for _ in range(8): - if crc & 0x0001 == 0: - crc = crc >> 1 - else: - crc = crc >> 1 - crc = crc ^ 0xA001 - return crc - - # ===== REQUEST_PING = _make_request(b"\x01\x00\x00\x00\x00") REQUEST_REPEAT = _make_request(b"\x02\x00\x00\x00\x00") -RESPONSE_LEGACY_OK = b"\x33\x20" + struct.pack(">H", _make_crc16(b"\x33\x20")) +RESPONSE_LEGACY_OK = b"\x33\x20" + struct.pack(">H", bitbang.make_crc16(b"\x33\x20")) |