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USB node structures

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This commit is contained in:
Kovid Goyal 2016-01-18 14:44:42 +05:30
parent cf83341e3d
commit aa5fc9b434
1 changed files with 53 additions and 2 deletions
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55
src/calibre/devices/winusb.py
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@ -9,10 +9,10 @@ import os, string, _winreg as winreg, re, time, sys
from collections import namedtuple, defaultdict
from operator import itemgetter
from ctypes import (
Structure, POINTER, c_ubyte, windll, byref, c_void_p, WINFUNCTYPE,
Structure, POINTER, c_ubyte, windll, byref, c_void_p, WINFUNCTYPE, c_uint,
WinError, get_last_error, sizeof, c_wchar, create_string_buffer, cast,
wstring_at, addressof, create_unicode_buffer, string_at, c_uint64 as QWORD)
from ctypes.wintypes import DWORD, WORD, ULONG, LPCWSTR, HWND, BOOL, LPWSTR, UINT, BYTE, HANDLE
from ctypes.wintypes import DWORD, WORD, ULONG, LPCWSTR, HWND, BOOL, LPWSTR, UINT, BYTE, HANDLE, USHORT
from pprint import pprint, pformat
from calibre import prints, as_unicode
@ -104,6 +104,57 @@ class SP_DEVICE_INTERFACE_DETAIL_DATA(Structure):
("DevicePath", c_wchar*ANYSIZE_ARRAY)
]
UCHAR = c_ubyte
class USB_DEVICE_DESCRIPTOR(Structure):
_fields_ = (
('bLength', UCHAR),
('bDescriptorType', UCHAR),
('bcdUSB', USHORT),
('bDeviceClass', UCHAR),
('bDeviceSubClass', UCHAR),
('bDeviceProtocol', UCHAR),
('bMaxPacketSize0', UCHAR),
('idVendor', USHORT),
('idProduct', USHORT),
('bcdDevice', USHORT),
('iManufacturer', UCHAR),
('iProduct', UCHAR),
('iSerialNumber', UCHAR),
('bNumConfigurations', UCHAR),
)
class USB_ENDPOINT_DESCRIPTOR(Structure):
_fields_ = (
('bLength', UCHAR),
('bDescriptorType', UCHAR),
('bEndpointAddress', UCHAR),
('bmAttributes', UCHAR),
('wMaxPacketSize', USHORT),
('bInterval', UCHAR)
)
class USB_PIPE_INFO(Structure):
_fields_ = (
('EndpointDescriptor', USB_ENDPOINT_DESCRIPTOR),
('ScheduleOffset', ULONG),
)
class USB_NODE_CONNECTION_INFORMATION(Structure):
_fields_ = (
('ConnectionIndex', ULONG),
('DeviceDescriptor', USB_DEVICE_DESCRIPTOR),
('CurrentConfigurationValue', UCHAR),
('LowSpeed', BOOL),
('DeviceIsHub', BOOL),
('DeviceAddress', USHORT),
('NumberOfOpenPipes', ULONG),
('ConnectionStatus', c_uint),
('PipeList', USB_PIPE_INFO*0),
)
PUSB_DEVICE_DESCRIPTOR = POINTER(USB_DEVICE_DESCRIPTOR)
PSP_DEVICE_INTERFACE_DETAIL_DATA = POINTER(SP_DEVICE_INTERFACE_DETAIL_DATA)
PSP_DEVICE_INTERFACE_DATA = POINTER(SP_DEVICE_INTERFACE_DATA)
INVALID_HANDLE_VALUE = c_void_p(-1).value