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import ctypes, ctypes.util
path = ctypes.util.find_library('hidapi')
if not path:
raise ImportError('Cannot find hidapi library')
hidapi = ctypes.CDLL(path)
hidapi.hid_open.argtypes = [ctypes.c_ushort, ctypes.c_ushort, ctypes.c_wchar_p]
hidapi.hid_open.restype = ctypes.c_void_p
hidapi.hid_read_timeout.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t, ctypes.c_int]
hidapi.hid_read.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
hidapi.hid_write.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
hidapi.hid_send_feature_report.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
hidapi.hid_get_feature_report.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
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