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7033ab18df
hid.dll and hidparse.sys must understand the same HID preparsed data, so use the same code in hid.dll and in hidparse.sys At the same time, this permis implementation of some HidP_* functions.
545 lines
12 KiB
C
545 lines
12 KiB
C
/*
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* ReactOS Hid User Library
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* Copyright (C) 2004-2005 ReactOS Team
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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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/*
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* PROJECT: ReactOS Hid User Library
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* FILE: lib/hid/hid.c
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* PURPOSE: ReactOS Hid User Library
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* PROGRAMMER: Thomas Weidenmueller <w3seek@reactos.com>
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*
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* UPDATE HISTORY:
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* 07/12/2004 Created
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*/
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#include "precomp.h"
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#include <stdarg.h>
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#include <winbase.h>
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#define NDEBUG
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#include <debug.h>
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#include "hidp.h"
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HINSTANCE hDllInstance;
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/* device interface GUID for HIDClass devices */
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const GUID HidClassGuid = {0x4D1E55B2, 0xF16F, 0x11CF, {0x88,0xCB,0x00,0x11,0x11,0x00,0x00,0x30}};
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PVOID
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NTAPI
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AllocFunction(
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IN ULONG ItemSize)
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{
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return LocalAlloc(LHND, ItemSize);
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}
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VOID
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NTAPI
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FreeFunction(
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IN PVOID Item)
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{
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LocalFree((HLOCAL)Item);
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}
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VOID
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NTAPI
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ZeroFunction(
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IN PVOID Item,
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IN ULONG ItemSize)
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{
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memset(Item, 0, ItemSize);
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}
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VOID
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NTAPI
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CopyFunction(
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IN PVOID Target,
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IN PVOID Source,
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IN ULONG Length)
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{
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memcpy(Target, Source, Length);
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}
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VOID
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__cdecl
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DebugFunction(
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IN LPCSTR FormatStr, ...)
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{
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#if 0
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va_arg list;
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va_start(list, FormatStr);
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vDbgPrintEx(FormatStr, list);
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va_end(list);
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#endif
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}
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BOOL WINAPI
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DllMain(HINSTANCE hinstDLL,
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DWORD dwReason,
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LPVOID lpvReserved)
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{
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switch(dwReason)
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{
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case DLL_PROCESS_ATTACH:
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hDllInstance = hinstDLL;
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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/*
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* HidD_FlushQueue EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_FlushQueue(IN HANDLE HidDeviceObject)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_FLUSH_QUEUE,
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NULL, 0,
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NULL, 0,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_FreePreparsedData EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_FreePreparsedData(IN PHIDP_PREPARSED_DATA PreparsedData)
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{
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return (LocalFree((HLOCAL)PreparsedData) == NULL);
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}
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/*
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* HidD_GetAttributes EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetAttributes(IN HANDLE HidDeviceObject,
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OUT PHIDD_ATTRIBUTES Attributes)
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{
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HID_COLLECTION_INFORMATION hci;
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DWORD RetLen;
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if(!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_INFORMATION,
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NULL, 0,
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&hci, sizeof(HID_COLLECTION_INFORMATION),
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&RetLen, NULL))
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{
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return FALSE;
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}
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/* copy the fields */
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Attributes->Size = sizeof(HIDD_ATTRIBUTES);
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Attributes->VendorID = hci.VendorID;
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Attributes->ProductID = hci.ProductID;
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Attributes->VersionNumber = hci.VersionNumber;
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return TRUE;
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}
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/*
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* HidD_GetFeature EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetFeature(IN HANDLE HidDeviceObject,
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OUT PVOID ReportBuffer,
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IN ULONG ReportBufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_FEATURE,
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NULL, 0,
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ReportBuffer, ReportBufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetHidGuid EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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VOID WINAPI
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HidD_GetHidGuid(OUT LPGUID HidGuid)
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{
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*HidGuid = HidClassGuid;
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}
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/*
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* HidD_GetInputReport EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetInputReport(IN HANDLE HidDeviceObject,
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IN OUT PVOID ReportBuffer,
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IN ULONG ReportBufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_INPUT_REPORT,
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NULL, 0,
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ReportBuffer, ReportBufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetManufacturerString EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetManufacturerString(IN HANDLE HidDeviceObject,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_MANUFACTURER_STRING,
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NULL, 0,
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetNumInputBuffers EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetNumInputBuffers(IN HANDLE HidDeviceObject,
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OUT PULONG NumberBuffers)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_GET_NUM_DEVICE_INPUT_BUFFERS,
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NULL, 0,
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NumberBuffers, sizeof(ULONG),
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetPhysicalDescriptor EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetPhysicalDescriptor(IN HANDLE HidDeviceObject,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_GET_PHYSICAL_DESCRIPTOR,
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NULL, 0,
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetPreparsedData EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetPreparsedData(IN HANDLE HidDeviceObject,
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OUT PHIDP_PREPARSED_DATA *PreparsedData)
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{
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HID_COLLECTION_INFORMATION hci;
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DWORD RetLen;
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BOOLEAN Ret;
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if(PreparsedData == NULL)
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{
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return FALSE;
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}
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if(!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_INFORMATION,
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NULL, 0,
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&hci, sizeof(HID_COLLECTION_INFORMATION),
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&RetLen, NULL))
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{
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return FALSE;
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}
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*PreparsedData = LocalAlloc(LHND, hci.DescriptorSize);
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if(*PreparsedData == NULL)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return FALSE;
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}
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Ret = DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_DESCRIPTOR,
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NULL, 0,
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*PreparsedData, hci.DescriptorSize,
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&RetLen, NULL) != 0;
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if(!Ret)
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{
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/* FIXME - Free the buffer in case we failed to get the descriptor? */
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LocalFree((HLOCAL)*PreparsedData);
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}
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#if 0
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else
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{
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/* should we truncate the memory in case RetLen < hci.DescriptorSize? */
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}
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#endif
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return Ret;
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}
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/*
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* HidD_GetProductString EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetProductString(IN HANDLE HidDeviceObject,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_PRODUCT_STRING,
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NULL, 0,
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetSerialNumberString EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetSerialNumberString(IN HANDLE HidDeviceObject,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_SERIALNUMBER_STRING,
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NULL, 0,
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_Hello EXPORTED
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*
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* Undocumented easter egg function. It fills the buffer with "Hello\n"
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* and returns number of bytes filled in (lstrlen(Buffer) + 1 == 7)
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*
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* Bugs: - doesn't check Buffer for NULL
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* - always returns 7 even if BufferLength < 7 but doesn't produce a buffer overflow
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*
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* @implemented
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*/
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HIDAPI
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ULONG WINAPI
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HidD_Hello(OUT PCHAR Buffer,
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IN ULONG BufferLength)
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{
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const CHAR HelloString[] = "Hello\n";
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if(BufferLength > 0)
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{
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memcpy(Buffer, HelloString, min(sizeof(HelloString), BufferLength));
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}
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return sizeof(HelloString);
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}
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/*
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* HidD_SetFeature EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_SetFeature(IN HANDLE HidDeviceObject,
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IN PVOID ReportBuffer,
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IN ULONG ReportBufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_FEATURE,
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ReportBuffer, ReportBufferLength,
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NULL, 0,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_SetNumInputBuffers EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_SetNumInputBuffers(IN HANDLE HidDeviceObject,
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IN ULONG NumberBuffers)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_SET_NUM_DEVICE_INPUT_BUFFERS,
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&NumberBuffers, sizeof(ULONG),
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NULL, 0,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_SetOutputReport EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_SetOutputReport(IN HANDLE HidDeviceObject,
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IN PVOID ReportBuffer,
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IN ULONG ReportBufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_OUTPUT_REPORT,
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ReportBuffer, ReportBufferLength,
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NULL, 0,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetIndexedString EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetIndexedString(IN HANDLE HidDeviceObject,
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IN ULONG StringIndex,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_INDEXED_STRING,
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&StringIndex, sizeof(ULONG),
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetMsGenreDescriptor EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetMsGenreDescriptor(IN HANDLE HidDeviceObject,
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OUT PVOID Buffer,
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IN ULONG BufferLength)
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{
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DWORD RetLen;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_MS_GENRE_DESCRIPTOR,
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0, 0,
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Buffer, BufferLength,
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&RetLen, NULL) != 0;
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}
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/*
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* HidD_GetConfiguration EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_GetConfiguration(IN HANDLE HidDeviceObject,
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OUT PHIDD_CONFIGURATION Configuration,
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IN ULONG ConfigurationLength)
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{
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// magic cookie
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Configuration->cookie = (PVOID)HidD_GetConfiguration;
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return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_DRIVER_CONFIG,
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0, 0,
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&Configuration->size, ConfigurationLength - sizeof(ULONG),
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(PULONG)&Configuration->cookie, NULL) != 0;
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}
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/*
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* HidD_SetConfiguration EXPORTED
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*
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* @implemented
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*/
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HIDAPI
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BOOLEAN WINAPI
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HidD_SetConfiguration(IN HANDLE HidDeviceObject,
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IN PHIDD_CONFIGURATION Configuration,
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IN ULONG ConfigurationLength)
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{
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BOOLEAN Ret = FALSE;
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if (Configuration->cookie == (PVOID)HidD_GetConfiguration)
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{
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Ret = DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_DRIVER_CONFIG,
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0, 0,
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(PVOID)&Configuration->size, ConfigurationLength - sizeof(ULONG),
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(PULONG)&Configuration->cookie, NULL) != 0;
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}
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else
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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}
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return Ret;
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}
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/* EOF */
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