reactos/dll/win32/hid/hid.c

547 lines
13 KiB
C

/*
* ReactOS Hid User Library
* Copyright (C) 2004-2005 ReactOS Team
*
* 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
*/
/*
* PROJECT: ReactOS Hid User Library
* FILE: lib/hid/hid.c
* PURPOSE: ReactOS Hid User Library
* PROGRAMMER: Thomas Weidenmueller <w3seek@reactos.com>
*
* UPDATE HISTORY:
* 07/12/2004 Created
*/
#include "precomp.h"
#include <winbase.h>
#define NDEBUG
#include <debug.h>
HINSTANCE hDllInstance;
/* device interface GUID for HIDClass devices */
const GUID HidClassGuid = {0x4D1E55B2, 0xF16F, 0x11CF, {0x88,0xCB,0x00,0x11,0x11,0x00,0x00,0x30}};
BOOL WINAPI
DllMain(HINSTANCE hinstDLL,
DWORD dwReason,
LPVOID lpvReserved)
{
switch(dwReason)
{
case DLL_PROCESS_ATTACH:
hDllInstance = hinstDLL;
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
/*
* HidD_FlushQueue EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_FlushQueue(IN HANDLE HidDeviceObject)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_FLUSH_QUEUE,
NULL, 0,
NULL, 0,
&RetLen, NULL) != 0;
}
/*
* HidD_FreePreparsedData EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_FreePreparsedData(IN PHIDP_PREPARSED_DATA PreparsedData)
{
return (LocalFree((HLOCAL)PreparsedData) == NULL);
}
/*
* HidD_GetAttributes EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetAttributes(IN HANDLE HidDeviceObject,
OUT PHIDD_ATTRIBUTES Attributes)
{
HID_COLLECTION_INFORMATION hci;
DWORD RetLen;
if(!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_INFORMATION,
NULL, 0,
&hci, sizeof(HID_COLLECTION_INFORMATION),
&RetLen, NULL))
{
return FALSE;
}
/* copy the fields */
Attributes->Size = sizeof(HIDD_ATTRIBUTES);
Attributes->VendorID = hci.VendorID;
Attributes->ProductID = hci.ProductID;
Attributes->VersionNumber = hci.VersionNumber;
return TRUE;
}
/*
* HidP_GetButtonCaps EXPORTED
*
* @implemented
*/
HIDAPI
NTSTATUS WINAPI
HidP_GetButtonCaps(IN HIDP_REPORT_TYPE ReportType,
OUT PHIDP_BUTTON_CAPS ButtonCaps,
IN OUT PUSHORT ButtonCapsLength,
IN PHIDP_PREPARSED_DATA PreparsedData)
{
return HidP_GetSpecificButtonCaps(ReportType, 0, 0, 0, ButtonCaps,
ButtonCapsLength, PreparsedData);
}
/*
* HidD_GetFeature EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetFeature(IN HANDLE HidDeviceObject,
OUT PVOID ReportBuffer,
IN ULONG ReportBufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_FEATURE,
NULL, 0,
ReportBuffer, ReportBufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetHidGuid EXPORTED
*
* @implemented
*/
HIDAPI
VOID WINAPI
HidD_GetHidGuid(OUT LPGUID HidGuid)
{
*HidGuid = HidClassGuid;
}
/*
* HidD_GetInputReport EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetInputReport(IN HANDLE HidDeviceObject,
IN OUT PVOID ReportBuffer,
IN ULONG ReportBufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_INPUT_REPORT,
NULL, 0,
ReportBuffer, ReportBufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetManufacturerString EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetManufacturerString(IN HANDLE HidDeviceObject,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_MANUFACTURER_STRING,
NULL, 0,
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetNumInputBuffers EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetNumInputBuffers(IN HANDLE HidDeviceObject,
OUT PULONG NumberBuffers)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_GET_NUM_DEVICE_INPUT_BUFFERS,
NULL, 0,
NumberBuffers, sizeof(ULONG),
&RetLen, NULL) != 0;
}
/*
* HidD_GetPhysicalDescriptor EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetPhysicalDescriptor(IN HANDLE HidDeviceObject,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_GET_PHYSICAL_DESCRIPTOR,
NULL, 0,
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetPreparsedData EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetPreparsedData(IN HANDLE HidDeviceObject,
OUT PHIDP_PREPARSED_DATA *PreparsedData)
{
HID_COLLECTION_INFORMATION hci;
DWORD RetLen;
BOOLEAN Ret;
if(PreparsedData == NULL)
{
return FALSE;
}
if(!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_INFORMATION,
NULL, 0,
&hci, sizeof(HID_COLLECTION_INFORMATION),
&RetLen, NULL))
{
return FALSE;
}
*PreparsedData = LocalAlloc(LHND, hci.DescriptorSize);
if(*PreparsedData == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
Ret = DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_DESCRIPTOR,
NULL, 0,
*PreparsedData, hci.DescriptorSize,
&RetLen, NULL) != 0;
if(!Ret)
{
/* FIXME - Free the buffer in case we failed to get the descriptor? */
LocalFree((HLOCAL)*PreparsedData);
}
#if 0
else
{
/* should we truncate the memory in case RetLen < hci.DescriptorSize? */
}
#endif
return Ret;
}
/*
* HidD_GetProductString EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetProductString(IN HANDLE HidDeviceObject,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_PRODUCT_STRING,
NULL, 0,
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetSerialNumberString EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetSerialNumberString(IN HANDLE HidDeviceObject,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_SERIALNUMBER_STRING,
NULL, 0,
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidP_GetValueCaps EXPORTED
*
* @implemented
*/
HIDAPI
NTSTATUS WINAPI
HidP_GetValueCaps(IN HIDP_REPORT_TYPE ReportType,
OUT PHIDP_VALUE_CAPS ValueCaps,
IN OUT PUSHORT ValueCapsLength,
IN PHIDP_PREPARSED_DATA PreparsedData)
{
return HidP_GetSpecificValueCaps(ReportType, 0, 0, 0, ValueCaps,
ValueCapsLength, PreparsedData);
}
/*
* HidD_Hello EXPORTED
*
* Undocumented easter egg function. It fills the buffer with "Hello\n"
* and returns number of bytes filled in (lstrlen(Buffer) + 1 == 7)
*
* Bugs: - doesn't check Buffer for NULL
* - always returns 7 even if BufferLength < 7 but doesn't produce a buffer overflow
*
* @implemented
*/
HIDAPI
ULONG WINAPI
HidD_Hello(OUT PCHAR Buffer,
IN ULONG BufferLength)
{
const CHAR HelloString[] = "Hello\n";
if(BufferLength > 0)
{
memcpy(Buffer, HelloString, min(sizeof(HelloString), BufferLength));
}
return sizeof(HelloString);
}
/*
* HidD_SetFeature EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_SetFeature(IN HANDLE HidDeviceObject,
IN PVOID ReportBuffer,
IN ULONG ReportBufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_FEATURE,
ReportBuffer, ReportBufferLength,
NULL, 0,
&RetLen, NULL) != 0;
}
/*
* HidD_SetNumInputBuffers EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_SetNumInputBuffers(IN HANDLE HidDeviceObject,
IN ULONG NumberBuffers)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_SET_NUM_DEVICE_INPUT_BUFFERS,
&NumberBuffers, sizeof(ULONG),
NULL, 0,
&RetLen, NULL) != 0;
}
/*
* HidD_SetOutputReport EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_SetOutputReport(IN HANDLE HidDeviceObject,
IN PVOID ReportBuffer,
IN ULONG ReportBufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_OUTPUT_REPORT,
ReportBuffer, ReportBufferLength,
NULL, 0,
&RetLen, NULL) != 0;
}
/*
* HidD_GetIndexedString EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetIndexedString(IN HANDLE HidDeviceObject,
IN ULONG StringIndex,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_INDEXED_STRING,
&StringIndex, sizeof(ULONG),
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetMsGenreDescriptor EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetMsGenreDescriptor(IN HANDLE HidDeviceObject,
OUT PVOID Buffer,
IN ULONG BufferLength)
{
DWORD RetLen;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_MS_GENRE_DESCRIPTOR,
0, 0,
Buffer, BufferLength,
&RetLen, NULL) != 0;
}
/*
* HidD_GetConfiguration EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_GetConfiguration(IN HANDLE HidDeviceObject,
OUT PHIDD_CONFIGURATION Configuration,
IN ULONG ConfigurationLength)
{
// magic cookie
Configuration->cookie = (PVOID)HidD_GetConfiguration;
return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_DRIVER_CONFIG,
0, 0,
&Configuration->size, ConfigurationLength - sizeof(ULONG),
(PULONG)&Configuration->cookie, NULL) != 0;
}
/*
* HidD_SetConfiguration EXPORTED
*
* @implemented
*/
HIDAPI
BOOLEAN WINAPI
HidD_SetConfiguration(IN HANDLE HidDeviceObject,
IN PHIDD_CONFIGURATION Configuration,
IN ULONG ConfigurationLength)
{
BOOLEAN Ret = FALSE;
if (Configuration->cookie == (PVOID)HidD_GetConfiguration)
{
Ret = DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_DRIVER_CONFIG,
0, 0,
(PVOID)&Configuration->size, ConfigurationLength - sizeof(ULONG),
(PULONG)&Configuration->cookie, NULL) != 0;
}
else
{
SetLastError(ERROR_INVALID_PARAMETER);
}
return Ret;
}
/*
* HidP_GetUsagesEx EXPORTED
*
* @implemented
*/
HIDAPI
NTSTATUS WINAPI
HidP_GetUsagesEx(IN HIDP_REPORT_TYPE ReportType,
IN USHORT LinkCollection,
OUT PUSAGE_AND_PAGE ButtonList,
IN OUT ULONG *UsageLength,
IN PHIDP_PREPARSED_DATA PreparsedData,
IN PCHAR Report,
IN ULONG ReportLength)
{
return HidP_GetUsages(ReportType, ButtonList->UsagePage, LinkCollection, &ButtonList->Usage, UsageLength, PreparsedData, Report, ReportLength);
}
/* EOF */