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