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File Content: `win32.py`

#! python
#
# Constants and types for use with Windows API, used by serialwin32.py
#
# This file is part of pySerial. https://github.com/pyserial/pyserial
# (C) 2001-2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier:    BSD-3-Clause

# pylint: disable=invalid-name,too-few-public-methods,protected-access,too-many-instance-attributes

from ctypes import c_ulong, c_void_p, c_int64, c_char, \
                   WinDLL, sizeof, Structure, Union, POINTER
from ctypes.wintypes import HANDLE
from ctypes.wintypes import BOOL
from ctypes.wintypes import LPCWSTR
from ctypes.wintypes import DWORD
from ctypes.wintypes import WORD
from ctypes.wintypes import BYTE
_stdcall_libraries = {}
_stdcall_libraries['kernel32'] = WinDLL('kernel32')

INVALID_HANDLE_VALUE = HANDLE(-1).value


# some details of the windows API differ between 32 and 64 bit systems..
def is_64bit():
    """Returns true when running on a 64 bit system"""
    return sizeof(c_ulong) != sizeof(c_void_p)

# ULONG_PTR is a an ordinary number, not a pointer and contrary to the name it
# is either 32 or 64 bits, depending on the type of windows...
# so test if this a 32 bit windows...
if is_64bit():
    ULONG_PTR = c_int64
else:
    ULONG_PTR = c_ulong


class _SECURITY_ATTRIBUTES(Structure):
    pass
LPSECURITY_ATTRIBUTES = POINTER(_SECURITY_ATTRIBUTES)


try:
    CreateEventW = _stdcall_libraries['kernel32'].CreateEventW
except AttributeError:
    # Fallback to non wide char version for old OS...
    from ctypes.wintypes import LPCSTR
    CreateEventA = _stdcall_libraries['kernel32'].CreateEventA
    CreateEventA.restype = HANDLE
    CreateEventA.argtypes = [LPSECURITY_ATTRIBUTES, BOOL, BOOL, LPCSTR]
    CreateEvent = CreateEventA

    CreateFileA = _stdcall_libraries['kernel32'].CreateFileA
    CreateFileA.restype = HANDLE
    CreateFileA.argtypes = [LPCSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE]
    CreateFile = CreateFileA
else:
    CreateEventW.restype = HANDLE
    CreateEventW.argtypes = [LPSECURITY_ATTRIBUTES, BOOL, BOOL, LPCWSTR]
    CreateEvent = CreateEventW  # alias

    CreateFileW = _stdcall_libraries['kernel32'].CreateFileW
    CreateFileW.restype = HANDLE
    CreateFileW.argtypes = [LPCWSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES, DWORD, DWORD, HANDLE]
    CreateFile = CreateFileW  # alias


class _OVERLAPPED(Structure):
    pass

OVERLAPPED = _OVERLAPPED


class _COMSTAT(Structure):
    pass

COMSTAT = _COMSTAT


class _DCB(Structure):
    pass

DCB = _DCB


class _COMMTIMEOUTS(Structure):
    pass

COMMTIMEOUTS = _COMMTIMEOUTS

GetLastError = _stdcall_libraries['kernel32'].GetLastError
GetLastError.restype = DWORD
GetLastError.argtypes = []

LPOVERLAPPED = POINTER(_OVERLAPPED)
LPDWORD = POINTER(DWORD)

GetOverlappedResult = _stdcall_libraries['kernel32'].GetOverlappedResult
GetOverlappedResult.restype = BOOL
GetOverlappedResult.argtypes = [HANDLE, LPOVERLAPPED, LPDWORD, BOOL]

ResetEvent = _stdcall_libraries['kernel32'].ResetEvent
ResetEvent.restype = BOOL
ResetEvent.argtypes = [HANDLE]

LPCVOID = c_void_p

WriteFile = _stdcall_libraries['kernel32'].WriteFile
WriteFile.restype = BOOL
WriteFile.argtypes = [HANDLE, LPCVOID, DWORD, LPDWORD, LPOVERLAPPED]

LPVOID = c_void_p

ReadFile = _stdcall_libraries['kernel32'].ReadFile
ReadFile.restype = BOOL
ReadFile.argtypes = [HANDLE, LPVOID, DWORD, LPDWORD, LPOVERLAPPED]

CloseHandle = _stdcall_libraries['kernel32'].CloseHandle
CloseHandle.restype = BOOL
CloseHandle.argtypes = [HANDLE]

ClearCommBreak = _stdcall_libraries['kernel32'].ClearCommBreak
ClearCommBreak.restype = BOOL
ClearCommBreak.argtypes = [HANDLE]

LPCOMSTAT = POINTER(_COMSTAT)

ClearCommError = _stdcall_libraries['kernel32'].ClearCommError
ClearCommError.restype = BOOL
ClearCommError.argtypes = [HANDLE, LPDWORD, LPCOMSTAT]

SetupComm = _stdcall_libraries['kernel32'].SetupComm
SetupComm.restype = BOOL
SetupComm.argtypes = [HANDLE, DWORD, DWORD]

EscapeCommFunction = _stdcall_libraries['kernel32'].EscapeCommFunction
EscapeCommFunction.restype = BOOL
EscapeCommFunction.argtypes = [HANDLE, DWORD]

GetCommModemStatus = _stdcall_libraries['kernel32'].GetCommModemStatus
GetCommModemStatus.restype = BOOL
GetCommModemStatus.argtypes = [HANDLE, LPDWORD]

LPDCB = POINTER(_DCB)

GetCommState = _stdcall_libraries['kernel32'].GetCommState
GetCommState.restype = BOOL
GetCommState.argtypes = [HANDLE, LPDCB]

LPCOMMTIMEOUTS = POINTER(_COMMTIMEOUTS)

GetCommTimeouts = _stdcall_libraries['kernel32'].GetCommTimeouts
GetCommTimeouts.restype = BOOL
GetCommTimeouts.argtypes = [HANDLE, LPCOMMTIMEOUTS]

PurgeComm = _stdcall_libraries['kernel32'].PurgeComm
PurgeComm.restype = BOOL
PurgeComm.argtypes = [HANDLE, DWORD]

SetCommBreak = _stdcall_libraries['kernel32'].SetCommBreak
SetCommBreak.restype = BOOL
SetCommBreak.argtypes = [HANDLE]

SetCommMask = _stdcall_libraries['kernel32'].SetCommMask
SetCommMask.restype = BOOL
SetCommMask.argtypes = [HANDLE, DWORD]

SetCommState = _stdcall_libraries['kernel32'].SetCommState
SetCommState.restype = BOOL
SetCommState.argtypes = [HANDLE, LPDCB]

SetCommTimeouts = _stdcall_libraries['kernel32'].SetCommTimeouts
SetCommTimeouts.restype = BOOL
SetCommTimeouts.argtypes = [HANDLE, LPCOMMTIMEOUTS]

WaitForSingleObject = _stdcall_libraries['kernel32'].WaitForSingleObject
WaitForSingleObject.restype = DWORD
WaitForSingleObject.argtypes = [HANDLE, DWORD]

CancelIoEx = _stdcall_libraries['kernel32'].CancelIoEx
CancelIoEx.restype = BOOL
CancelIoEx.argtypes = [HANDLE, LPOVERLAPPED]

ONESTOPBIT = 0  # Variable c_int
TWOSTOPBITS = 2  # Variable c_int
ONE5STOPBITS = 1

NOPARITY = 0  # Variable c_int
ODDPARITY = 1  # Variable c_int
EVENPARITY = 2  # Variable c_int
MARKPARITY = 3
SPACEPARITY = 4

RTS_CONTROL_HANDSHAKE = 2  # Variable c_int
RTS_CONTROL_DISABLE = 0  # Variable c_int
RTS_CONTROL_ENABLE = 1  # Variable c_int
RTS_CONTROL_TOGGLE = 3  # Variable c_int
SETRTS = 3
CLRRTS = 4

DTR_CONTROL_HANDSHAKE = 2  # Variable c_int
DTR_CONTROL_DISABLE = 0  # Variable c_int
DTR_CONTROL_ENABLE = 1  # Variable c_int
SETDTR = 5
CLRDTR = 6

MS_DSR_ON = 32  # Variable c_ulong
EV_RING = 256  # Variable c_int
EV_PERR = 512  # Variable c_int
EV_ERR = 128  # Variable c_int
SETXOFF = 1  # Variable c_int
EV_RXCHAR = 1  # Variable c_int
GENERIC_WRITE = 1073741824  # Variable c_long
PURGE_TXCLEAR = 4  # Variable c_int
FILE_FLAG_OVERLAPPED = 1073741824  # Variable c_int
EV_DSR = 16  # Variable c_int
MAXDWORD = 4294967295  # Variable c_uint
EV_RLSD = 32  # Variable c_int

ERROR_SUCCESS = 0
ERROR_NOT_ENOUGH_MEMORY = 8
ERROR_OPERATION_ABORTED = 995
ERROR_IO_INCOMPLETE = 996
ERROR_IO_PENDING = 997  # Variable c_long
ERROR_INVALID_USER_BUFFER = 1784

MS_CTS_ON = 16  # Variable c_ulong
EV_EVENT1 = 2048  # Variable c_int
EV_RX80FULL = 1024  # Variable c_int
PURGE_RXABORT = 2  # Variable c_int
FILE_ATTRIBUTE_NORMAL = 128  # Variable c_int
PURGE_TXABORT = 1  # Variable c_int
SETXON = 2  # Variable c_int
OPEN_EXISTING = 3  # Variable c_int
MS_RING_ON = 64  # Variable c_ulong
EV_TXEMPTY = 4  # Variable c_int
EV_RXFLAG = 2  # Variable c_int
MS_RLSD_ON = 128  # Variable c_ulong
GENERIC_READ = 2147483648  # Variable c_ulong
EV_EVENT2 = 4096  # Variable c_int
EV_CTS = 8  # Variable c_int
EV_BREAK = 64  # Variable c_int
PURGE_RXCLEAR = 8  # Variable c_int
INFINITE = 0xFFFFFFFF


class N11_OVERLAPPED4DOLLAR_48E(Union):
    pass


class N11_OVERLAPPED4DOLLAR_484DOLLAR_49E(Structure):
    pass


N11_OVERLAPPED4DOLLAR_484DOLLAR_49E._fields_ = [
    ('Offset', DWORD),
    ('OffsetHigh', DWORD),
]

PVOID = c_void_p

N11_OVERLAPPED4DOLLAR_48E._anonymous_ = ['_0']
N11_OVERLAPPED4DOLLAR_48E._fields_ = [
    ('_0', N11_OVERLAPPED4DOLLAR_484DOLLAR_49E),
    ('Pointer', PVOID),
]
_OVERLAPPED._anonymous_ = ['_0']
_OVERLAPPED._fields_ = [
    ('Internal', ULONG_PTR),
    ('InternalHigh', ULONG_PTR),
    ('_0', N11_OVERLAPPED4DOLLAR_48E),
    ('hEvent', HANDLE),
]
_SECURITY_ATTRIBUTES._fields_ = [
    ('nLength', DWORD),
    ('lpSecurityDescriptor', LPVOID),
    ('bInheritHandle', BOOL),
]
_COMSTAT._fields_ = [
    ('fCtsHold', DWORD, 1),
    ('fDsrHold', DWORD, 1),
    ('fRlsdHold', DWORD, 1),
    ('fXoffHold', DWORD, 1),
    ('fXoffSent', DWORD, 1),
    ('fEof', DWORD, 1),
    ('fTxim', DWORD, 1),
    ('fReserved', DWORD, 25),
    ('cbInQue', DWORD),
    ('cbOutQue', DWORD),
]
_DCB._fields_ = [
    ('DCBlength', DWORD),
    ('BaudRate', DWORD),
    ('fBinary', DWORD, 1),
    ('fParity', DWORD, 1),
    ('fOutxCtsFlow', DWORD, 1),
    ('fOutxDsrFlow', DWORD, 1),
    ('fDtrControl', DWORD, 2),
    ('fDsrSensitivity', DWORD, 1),
    ('fTXContinueOnXoff', DWORD, 1),
    ('fOutX', DWORD, 1),
    ('fInX', DWORD, 1),
    ('fErrorChar', DWORD, 1),
    ('fNull', DWORD, 1),
    ('fRtsControl', DWORD, 2),
    ('fAbortOnError', DWORD, 1),
    ('fDummy2', DWORD, 17),
    ('wReserved', WORD),
    ('XonLim', WORD),
    ('XoffLim', WORD),
    ('ByteSize', BYTE),
    ('Parity', BYTE),
    ('StopBits', BYTE),
    ('XonChar', c_char),
    ('XoffChar', c_char),
    ('ErrorChar', c_char),
    ('EofChar', c_char),
    ('EvtChar', c_char),
    ('wReserved1', WORD),
]
_COMMTIMEOUTS._fields_ = [
    ('ReadIntervalTimeout', DWORD),
    ('ReadTotalTimeoutMultiplier', DWORD),
    ('ReadTotalTimeoutConstant', DWORD),
    ('WriteTotalTimeoutMultiplier', DWORD),
    ('WriteTotalTimeoutConstant', DWORD),
]
__all__ = ['GetLastError', 'MS_CTS_ON', 'FILE_ATTRIBUTE_NORMAL',
           'DTR_CONTROL_ENABLE', '_COMSTAT', 'MS_RLSD_ON',
           'GetOverlappedResult', 'SETXON', 'PURGE_TXABORT',
           'PurgeComm', 'N11_OVERLAPPED4DOLLAR_48E', 'EV_RING',
           'ONESTOPBIT', 'SETXOFF', 'PURGE_RXABORT', 'GetCommState',
           'RTS_CONTROL_ENABLE', '_DCB', 'CreateEvent',
           '_COMMTIMEOUTS', '_SECURITY_ATTRIBUTES', 'EV_DSR',
           'EV_PERR', 'EV_RXFLAG', 'OPEN_EXISTING', 'DCB',
           'FILE_FLAG_OVERLAPPED', 'EV_CTS', 'SetupComm',
           'LPOVERLAPPED', 'EV_TXEMPTY', 'ClearCommBreak',
           'LPSECURITY_ATTRIBUTES', 'SetCommBreak', 'SetCommTimeouts',
           'COMMTIMEOUTS', 'ODDPARITY', 'EV_RLSD',
           'GetCommModemStatus', 'EV_EVENT2', 'PURGE_TXCLEAR',
           'EV_BREAK', 'EVENPARITY', 'LPCVOID', 'COMSTAT', 'ReadFile',
           'PVOID', '_OVERLAPPED', 'WriteFile', 'GetCommTimeouts',
           'ResetEvent', 'EV_RXCHAR', 'LPCOMSTAT', 'ClearCommError',
           'ERROR_IO_PENDING', 'EscapeCommFunction', 'GENERIC_READ',
           'RTS_CONTROL_HANDSHAKE', 'OVERLAPPED',
           'DTR_CONTROL_HANDSHAKE', 'PURGE_RXCLEAR', 'GENERIC_WRITE',
           'LPDCB', 'CreateEventW', 'SetCommMask', 'EV_EVENT1',
           'SetCommState', 'LPVOID', 'CreateFileW', 'LPDWORD',
           'EV_RX80FULL', 'TWOSTOPBITS', 'LPCOMMTIMEOUTS', 'MAXDWORD',
           'MS_DSR_ON', 'MS_RING_ON',
           'N11_OVERLAPPED4DOLLAR_484DOLLAR_49E', 'EV_ERR',
           'ULONG_PTR', 'CreateFile', 'NOPARITY', 'CloseHandle']
Name	Size	Permission
__pycache__	---	0755
threaded	---	0755
tools	---	0755
urlhandler	---	0755
__init__.py	3172 bytes	0644
rfc2217.py	59486 bytes	0644
rs485.py	3265 bytes	0644
serialcli.py	9104 bytes	0644
serialjava.py	8414 bytes	0644
serialposix.py	31654 bytes	0644
serialutil.py	21692 bytes	0644
serialwin32.py	20087 bytes	0644
win32.py	10853 bytes	0644
File Content: win32.py

File Content: `win32.py`
