132 lines
5.4 KiB
C
132 lines
5.4 KiB
C
/*
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* Windows CE backend for libusbx 1.0
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* Copyright © 2011-2013 RealVNC Ltd.
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* Portions taken from Windows backend, which is
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* Copyright © 2009-2010 Pete Batard <pbatard@gmail.com>
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* With contributions from Michael Plante, Orin Eman et al.
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* Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
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* Major code testing contribution by Xiaofan Chen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "windows_common.h"
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#include <windows.h>
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#include "poll_windows.h"
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#define MAX_DEVICE_COUNT 256
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// This is a modified dump of the types in the ceusbkwrapper.h library header
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// with functions transformed into extern pointers.
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//
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// This backend dynamically loads ceusbkwrapper.dll and doesn't include
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// ceusbkwrapper.h directly to simplify the build process. The kernel
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// side wrapper driver is built using the platform image build tools,
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// which makes it difficult to reference directly from the libusbx build
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// system.
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struct UKW_DEVICE_PRIV;
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typedef struct UKW_DEVICE_PRIV *UKW_DEVICE;
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typedef UKW_DEVICE *PUKW_DEVICE, *LPUKW_DEVICE;
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typedef struct {
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UINT8 bLength;
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UINT8 bDescriptorType;
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UINT16 bcdUSB;
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UINT8 bDeviceClass;
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UINT8 bDeviceSubClass;
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UINT8 bDeviceProtocol;
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UINT8 bMaxPacketSize0;
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UINT16 idVendor;
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UINT16 idProduct;
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UINT16 bcdDevice;
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UINT8 iManufacturer;
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UINT8 iProduct;
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UINT8 iSerialNumber;
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UINT8 bNumConfigurations;
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} UKW_DEVICE_DESCRIPTOR, *PUKW_DEVICE_DESCRIPTOR, *LPUKW_DEVICE_DESCRIPTOR;
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typedef struct {
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UINT8 bmRequestType;
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UINT8 bRequest;
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UINT16 wValue;
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UINT16 wIndex;
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UINT16 wLength;
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} UKW_CONTROL_HEADER, *PUKW_CONTROL_HEADER, *LPUKW_CONTROL_HEADER;
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// Collection of flags which can be used when issuing transfer requests
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/* Indicates that the transfer direction is 'in' */
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#define UKW_TF_IN_TRANSFER 0x00000001
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/* Indicates that the transfer direction is 'out' */
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#define UKW_TF_OUT_TRANSFER 0x00000000
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/* Specifies that the transfer should complete as soon as possible,
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* even if no OVERLAPPED structure has been provided. */
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#define UKW_TF_NO_WAIT 0x00000100
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/* Indicates that transfers shorter than the buffer are ok */
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#define UKW_TF_SHORT_TRANSFER_OK 0x00000200
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#define UKW_TF_SEND_TO_DEVICE 0x00010000
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#define UKW_TF_SEND_TO_INTERFACE 0x00020000
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#define UKW_TF_SEND_TO_ENDPOINT 0x00040000
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/* Don't block when waiting for memory allocations */
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#define UKW_TF_DONT_BLOCK_FOR_MEM 0x00080000
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/* Value to use when dealing with configuration values, such as UkwGetConfigDescriptor,
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* to specify the currently active configuration for the device. */
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#define UKW_ACTIVE_CONFIGURATION -1
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DLL_DECLARE(WINAPI, HANDLE, UkwOpenDriver, ());
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DLL_DECLARE(WINAPI, BOOL, UkwGetDeviceList, (HANDLE, LPUKW_DEVICE, DWORD, LPDWORD));
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DLL_DECLARE(WINAPI, void, UkwReleaseDeviceList, (HANDLE, LPUKW_DEVICE, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwGetDeviceAddress, (UKW_DEVICE, unsigned char*, unsigned char*, unsigned long*));
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DLL_DECLARE(WINAPI, BOOL, UkwGetDeviceDescriptor, (UKW_DEVICE, LPUKW_DEVICE_DESCRIPTOR));
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DLL_DECLARE(WINAPI, BOOL, UkwGetConfigDescriptor, (UKW_DEVICE, DWORD, LPVOID, DWORD, LPDWORD));
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DLL_DECLARE(WINAPI, void, UkwCloseDriver, (HANDLE));
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DLL_DECLARE(WINAPI, BOOL, UkwCancelTransfer, (UKW_DEVICE, LPOVERLAPPED, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwIssueControlTransfer, (UKW_DEVICE, DWORD, LPUKW_CONTROL_HEADER, LPVOID, DWORD, LPDWORD, LPOVERLAPPED));
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DLL_DECLARE(WINAPI, BOOL, UkwClaimInterface, (UKW_DEVICE, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwReleaseInterface, (UKW_DEVICE, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwSetInterfaceAlternateSetting, (UKW_DEVICE, DWORD, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwClearHaltHost, (UKW_DEVICE, UCHAR));
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DLL_DECLARE(WINAPI, BOOL, UkwClearHaltDevice, (UKW_DEVICE, UCHAR));
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DLL_DECLARE(WINAPI, BOOL, UkwGetConfig, (UKW_DEVICE, PUCHAR));
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DLL_DECLARE(WINAPI, BOOL, UkwSetConfig, (UKW_DEVICE, UCHAR));
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DLL_DECLARE(WINAPI, BOOL, UkwResetDevice, (UKW_DEVICE));
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DLL_DECLARE(WINAPI, BOOL, UkwKernelDriverActive, (UKW_DEVICE, DWORD, PBOOL));
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DLL_DECLARE(WINAPI, BOOL, UkwAttachKernelDriver, (UKW_DEVICE, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwDetachKernelDriver, (UKW_DEVICE, DWORD));
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DLL_DECLARE(WINAPI, BOOL, UkwIssueBulkTransfer, (UKW_DEVICE, DWORD, UCHAR, LPVOID, DWORD, LPDWORD, LPOVERLAPPED));
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DLL_DECLARE(WINAPI, BOOL, UkwIsPipeHalted, (UKW_DEVICE, UCHAR, LPBOOL));
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// Used to determine if an endpoint status really is halted on a failed transfer.
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#define STATUS_HALT_FLAG 0x1
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struct wince_device_priv {
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UKW_DEVICE dev;
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UKW_DEVICE_DESCRIPTOR desc;
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};
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struct wince_device_handle_priv {
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// This member isn't used, but only exists to avoid an empty structure
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// for private data for the device handle.
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int reserved;
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};
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struct wince_transfer_priv {
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struct winfd pollable_fd;
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uint8_t interface_number;
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};
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