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2038 lines
63 KiB
2038 lines
63 KiB
/*****************************************************************************
|
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*
|
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* DIHidEnm.c
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*
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* Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
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*
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* Abstract:
|
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*
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* Support functions for HID enumeration.
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*
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* Contents:
|
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*
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* DIHid_BuildHidList
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*
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*****************************************************************************/
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#include "dinputpr.h"
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|
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/*****************************************************************************
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*
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* The sqiffle for this file.
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*
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*****************************************************************************/
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#define sqfl sqflHid
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @global PHIDDEVICELIST | g_hdl |
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*
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* List of known HID devices.
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*
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* @global DWORD | g_tmLastHIDRebuild |
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*
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* The time we last rebuilt the HID list. Zero means that the
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* HID list has never been rebuilt. Watch out for wraparound;
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* a 32-bit value rolls over after about 30 days.
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*
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*****************************************************************************/
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#define MSREBUILDRATE 20000 /* Twenty seconds */
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#define MSREBUILDRATE_FIFTH 5000 /* Two seconds */
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PHIDDEVICELIST g_phdl;
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DWORD g_tmLastHIDRebuild;
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TCHAR g_tszIdLastRemoved[MAX_PATH];
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DWORD g_tmLastRemoved = 0;
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TCHAR g_tszIdLastUnknown[MAX_PATH];
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DWORD g_tmLastUnknown = 0;
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#pragma BEGIN_CONST_DATA
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func PHIDDEVICEINFO | phdiFindHIDInstanceGUID |
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*
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* Locates information given an instance GUID for a HID device.
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*
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* The parameters have already been validated.
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*
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* The DLL critical must be held across the call; once the
|
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* critical section is released, the returned pointer becomes
|
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* invalid.
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*
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* @parm IN PCGUID | pguid |
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*
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* The instance GUID to be located.
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*
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* @returns
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*
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* Pointer to the <t HIDDEVICEINFO> that describes
|
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* the device.
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*
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*****************************************************************************/
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PHIDDEVICEINFO EXTERNAL
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phdiFindHIDInstanceGUID(PCGUID pguid)
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{
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PHIDDEVICEINFO phdi;
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AssertF(InCrit());
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|
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if(g_phdl)
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|
{
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int ihdi;
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for(ihdi = 0, phdi = g_phdl->rghdi;
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ihdi < g_phdl->chdi;
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ihdi++, phdi++)
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{
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if(IsEqualGUID(pguid, &phdi->guid) )
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{
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goto done;
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}
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}
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/*
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* Memphis Bug#68994. App does not detect USB device.
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* App was using product guid.
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* Fix: We allow match to HID guid, if product guid is specfied
|
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*/
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for(ihdi = 0, phdi = g_phdl->rghdi;
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ihdi < g_phdl->chdi;
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ihdi++, phdi++)
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{
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if(IsEqualGUID(pguid, &phdi->guidProduct) )
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{
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RPF("Warning: Use instance GUID (NOT product GUID) to refer to a device.");
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goto done;
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|
}
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}
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|
#ifdef WINNT
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/*
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|
* NT Bug#351951.
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* If they are directly asking for one of the predefined joystick
|
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* IDs then see if we have a device mapped to that ID. If so,
|
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* pretend they asked for that GUID instead.
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|
*/
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|
|
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/*
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|
* Weakly Assert the range of predefined static joystick instance GUIDs
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*/
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AssertF( ( rgGUID_Joystick[0].Data1 & 0x0f ) == 0 );
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AssertF( ( rgGUID_Joystick[0x0f].Data1 & 0x0f ) == 0x0f );
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|
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/*
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* Check the GUID is the same as the first static one ignoring LS 4 bits
|
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*/
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if( ( (pguid->Data1 & 0xf0) == (rgGUID_Joystick[0].Data1 & 0xf0) )
|
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&& !memcmp( ((PBYTE)&rgGUID_Joystick)+1, ((PBYTE)pguid)+1, sizeof(*pguid) - 1 ) )
|
|
{
|
|
RPF("Using predefined instance GUIDs is bad and should not work!");
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|
phdi = phdiFindJoyId( pguid->Data1 & 0x0f );
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goto done;
|
|
}
|
|
#endif
|
|
}
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phdi = 0;
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|
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|
done:;
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|
return phdi;
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|
}
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|
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|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func HRESULT | hresFindHIDInstanceGUID |
|
|
*
|
|
* Locates information given an instance GUID for a HID device.
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|
*
|
|
* The parameters have already been validated.
|
|
*
|
|
* @parm IN PCGUID | pguid |
|
|
*
|
|
* The instance GUID to be located.
|
|
*
|
|
* @parm OUT CREATEDCB * | pcdcb |
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|
*
|
|
* Receives pointer to the <f CreateDcb> function for the object.
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|
*
|
|
*****************************************************************************/
|
|
|
|
STDMETHODIMP
|
|
hresFindHIDInstanceGUID(PCGUID pguid, CREATEDCB *pcdcb)
|
|
{
|
|
HRESULT hres;
|
|
PHIDDEVICEINFO phdi;
|
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EnterProc(hresFindHIDInstanceGUID, (_ "G", pguid));
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|
|
|
AssertF(SUCCEEDED(hresFullValidGuid(pguid, 0)));
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DllEnterCrit();
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|
phdi = phdiFindHIDInstanceGUID(pguid);
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|
if(phdi)
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|
{
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|
*pcdcb = CHid_New;
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hres = S_OK;
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|
} else
|
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{
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|
hres = DIERR_DEVICENOTREG;
|
|
}
|
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DllLeaveCrit();
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|
|
|
/*
|
|
* Don't use ExitOleProcPpv because that will validate that
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|
* *pcdcb == 0 if FAILED(hres), but that's not our job.
|
|
*/
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|
ExitOleProc();
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|
return hres;
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|
}
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|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
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|
* @func PHIDDEVICEINFO | phdiFindHIDDeviceId |
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|
*
|
|
* Locates information given a deviceID
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* (in other words, <enumerator>\<enumerator-specific-device-ID>) for a HID device.
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*
|
|
* The parameters have already been validated.
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*
|
|
* The DLL critical must be held across the call; once the
|
|
* critical section is released, the returned pointer becomes
|
|
* invalid.
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|
*
|
|
* @parm IN LPCTSTR | ptszId |
|
|
*
|
|
* The interface device to be located.
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|
*
|
|
* @returns
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*
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* Pointer to the <t HIDDEVICEINFO> that describes
|
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* the device.
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*
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*****************************************************************************/
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PHIDDEVICEINFO EXTERNAL
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phdiFindHIDDeviceId(LPCTSTR ptszId)
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{
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PHIDDEVICEINFO phdi;
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|
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AssertF(InCrit());
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|
|
if(g_phdl)
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|
{
|
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int ihdi;
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|
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for(ihdi = 0, phdi = g_phdl->rghdi; ihdi < g_phdl->chdi;
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|
ihdi++, phdi++)
|
|
{
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|
if(phdi->pdidd &&
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lstrcmpi(phdi->ptszId, ptszId) == 0)
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{
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|
goto done;
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}
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}
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}
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phdi = 0;
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done:;
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return phdi;
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}
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/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func PHIDDEVICEINFO | phdiFindHIDDeviceInterface |
|
|
*
|
|
* Locates information given a device interface
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|
* (in other words, a \\.\... thing) for a HID device.
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|
*
|
|
* The parameters have already been validated.
|
|
*
|
|
* The DLL critical must be held across the call; once the
|
|
* critical section is released, the returned pointer becomes
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* invalid.
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*
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* @parm IN LPCTSTR | ptszPath |
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*
|
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* The interface device to be located.
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*
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* @returns
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*
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* Pointer to the <t HIDDEVICEINFO> that describes
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* the device.
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*
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|
*****************************************************************************/
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PHIDDEVICEINFO EXTERNAL
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phdiFindHIDDeviceInterface(LPCTSTR ptszPath)
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{
|
|
PHIDDEVICEINFO phdi;
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|
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AssertF(InCrit());
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|
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if(g_phdl)
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{
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int ihdi;
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for(ihdi = 0, phdi = g_phdl->rghdi; ihdi < g_phdl->chdi;
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ihdi++, phdi++)
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{
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if(phdi->pdidd &&
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lstrcmpi(phdi->pdidd->DevicePath, ptszPath) == 0)
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{
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goto done;
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}
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}
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}
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|
phdi = 0;
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|
done:;
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return phdi;
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}
|
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|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func HRESULT | hresFindHIDDeviceInterface |
|
|
*
|
|
* Locates information given a device interface
|
|
* (in other words, a \\.\... thing) for a HID device.
|
|
*
|
|
* The parameters have already been validated.
|
|
*
|
|
* @parm IN LPCTSTR | ptszPath |
|
|
*
|
|
* The interface device to be located.
|
|
*
|
|
* @parm OUT LPGUID | pguidOut |
|
|
*
|
|
* Receives the instance GUID of the device found.
|
|
*
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|
*****************************************************************************/
|
|
|
|
STDMETHODIMP
|
|
hresFindHIDDeviceInterface(LPCTSTR ptszPath, LPGUID pguidOut)
|
|
{
|
|
HRESULT hres;
|
|
PHIDDEVICEINFO phdi;
|
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EnterProc(hresFindHIDDeviceInterface, (_ "s", ptszPath));
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|
|
DllEnterCrit();
|
|
|
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phdi = phdiFindHIDDeviceInterface(ptszPath);
|
|
|
|
if(phdi)
|
|
{
|
|
*pguidOut = phdi->guid;
|
|
hres = S_OK;
|
|
} else
|
|
{
|
|
hres = DIERR_DEVICENOTREG;
|
|
}
|
|
|
|
DllLeaveCrit();
|
|
|
|
ExitOleProc();
|
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|
|
return hres;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_ProbeMouse |
|
|
*
|
|
* That this function exists at all is a total hack to work
|
|
* around bugs in Memphis and NT5.
|
|
*
|
|
* If you call GetSystemMetrics(SM_WHEELPRESENT) or
|
|
* GetSystemMetrics(SM_MOUSEBUTTONS), USER32 does not
|
|
* return the correct values if your HID mouse is
|
|
* not the same as your PS/2 mouse (if any).
|
|
*
|
|
* For example, if your PS/2 mouse is a regular two-button
|
|
* mouse but your HID mouse is a wheel mouse, GetSystemMetrics
|
|
* will still say "No wheel, 2 buttons" even though it's wrong.
|
|
*
|
|
* So what we have to do is wander through all the HID mice in
|
|
* the system and record the number of buttons they have,
|
|
* and whether they have a wheel.
|
|
*
|
|
* That way, when we create a system mouse, we can take the
|
|
* maximum of every supported device.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void INTERNAL
|
|
DIHid_ProbeMouse(PHIDDEVICEINFO phdi, PHIDP_CAPS pcaps,
|
|
PHIDP_PREPARSED_DATA ppd)
|
|
{
|
|
LPVOID pvReport;
|
|
HRESULT hres;
|
|
|
|
/*
|
|
* Get the number of buttons in the generic button page.
|
|
* This is the only page the MOUHID uses.
|
|
*/
|
|
phdi->osd.uiButtons =
|
|
HidP_MaxUsageListLength(HidP_Input, HID_USAGE_PAGE_BUTTON, ppd);
|
|
|
|
/*
|
|
* See if there is a HID_USAGE_GENERIC_WHEEL.
|
|
* This is the way that MOUHID detects a wheel.
|
|
*/
|
|
hres = AllocCbPpv(pcaps->InputReportByteLength, &pvReport);
|
|
if(SUCCEEDED(hres))
|
|
{
|
|
ULONG ul;
|
|
NTSTATUS stat;
|
|
|
|
stat = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0,
|
|
HID_USAGE_GENERIC_WHEEL, &ul, ppd,
|
|
pvReport,
|
|
pcaps->InputReportByteLength);
|
|
if(SUCCEEDED(stat))
|
|
{
|
|
phdi->osd.uiAxes = 3;
|
|
}
|
|
|
|
FreePv(pvReport);
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_ParseUsagePage |
|
|
*
|
|
* ISSUE-2001/02/06-TimGill Enumeration needs to know device type
|
|
* Parse the usage page information and create a first pass at DI
|
|
* style type information.
|
|
* This really is not enough information to be useful as
|
|
* enumeration needs to know the final device type.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void INTERNAL
|
|
DIHid_ParseUsagePage(PHIDDEVICEINFO phdi, PHIDP_CAPS pcaps,
|
|
PHIDP_PREPARSED_DATA ppd)
|
|
|
|
{
|
|
switch(pcaps->UsagePage)
|
|
{
|
|
case HID_USAGE_PAGE_GENERIC:
|
|
switch(pcaps->Usage)
|
|
{
|
|
|
|
/*
|
|
* MouHID accepts either HID_USAGE_GENERIC_MOUSE or
|
|
* HID_USAGE_GENERIC_POINTER, so we will do the same.
|
|
*/
|
|
case HID_USAGE_GENERIC_MOUSE:
|
|
case HID_USAGE_GENERIC_POINTER:
|
|
DIHid_ProbeMouse(phdi, pcaps, ppd);
|
|
phdi->osd.dwDevType =
|
|
MAKE_DIDEVICE_TYPE(DI8DEVTYPE_MOUSE,
|
|
DI8DEVTYPEMOUSE_UNKNOWN) |
|
|
DIDEVTYPE_HID;
|
|
break;
|
|
|
|
case HID_USAGE_GENERIC_JOYSTICK:
|
|
phdi->osd.dwDevType =
|
|
MAKE_DIDEVICE_TYPE(DI8DEVTYPE_JOYSTICK,
|
|
DI8DEVTYPEJOYSTICK_STANDARD) |
|
|
DIDEVTYPE_HID;
|
|
break;
|
|
|
|
case HID_USAGE_GENERIC_GAMEPAD:
|
|
phdi->osd.dwDevType =
|
|
MAKE_DIDEVICE_TYPE(DI8DEVTYPE_GAMEPAD,
|
|
DI8DEVTYPEGAMEPAD_STANDARD) |
|
|
DIDEVTYPE_HID;
|
|
break;
|
|
|
|
case HID_USAGE_GENERIC_KEYBOARD:
|
|
phdi->osd.dwDevType =
|
|
MAKE_DIDEVICE_TYPE(DI8DEVTYPE_KEYBOARD,
|
|
DI8DEVTYPEKEYBOARD_UNKNOWN) |
|
|
DIDEVTYPE_HID;
|
|
break;
|
|
|
|
default:
|
|
phdi->osd.dwDevType = DI8DEVTYPE_DEVICE | DIDEVTYPE_HID;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
phdi->osd.dwDevType = DI8DEVTYPE_DEVICE | DIDEVTYPE_HID;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func BOOL | DIHid_GetDevicePath |
|
|
*
|
|
* Obtain the path for the device. This is a simple wrapper
|
|
* function to keep DIHid_BuildHidListEntry from getting too
|
|
* annoying.
|
|
*
|
|
* This also gets the devinfo so we can get the
|
|
* instance ID string for subsequent use to get the
|
|
* friendly name, etc.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOL EXTERNAL
|
|
DIHid_GetDevicePath(HDEVINFO hdev,
|
|
PSP_DEVICE_INTERFACE_DATA pdid,
|
|
PSP_DEVICE_INTERFACE_DETAIL_DATA *ppdidd,
|
|
OPTIONAL PSP_DEVINFO_DATA pdinf)
|
|
{
|
|
HRESULT hres;
|
|
BOOL fRc;
|
|
DWORD cbRequired;
|
|
EnterProcI(DIHid_GetDevicePath, (_ "xp", hdev, pdid));
|
|
|
|
AssertF(*ppdidd == 0);
|
|
|
|
/*
|
|
* Ask for the required size then allocate it then fill it.
|
|
*
|
|
* Note that we don't need to free the memory on the failure
|
|
* path; our caller will do the necessary memory freeing.
|
|
*
|
|
* Sigh. Windows NT and Windows 98 implement
|
|
* SetupDiGetDeviceInterfaceDetail differently if you are
|
|
* querying for the buffer size.
|
|
*
|
|
* Windows 98 returns FALSE, and GetLastError() returns
|
|
* ERROR_INSUFFICIENT_BUFFER.
|
|
*
|
|
* Windows NT returns TRUE.
|
|
*
|
|
* So we allow the cases either where the call succeeds or
|
|
* the call fails with ERROR_INSUFFICIENT_BUFFER.
|
|
*/
|
|
if(SetupDiGetDeviceInterfaceDetail(hdev, pdid, 0, 0,
|
|
&cbRequired, 0) ||
|
|
GetLastError() == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
|
|
hres = AllocCbPpv(cbRequired, ppdidd);
|
|
|
|
|
|
// Keep prefix happy, manbug 29341
|
|
if(SUCCEEDED(hres) && ( *ppdidd != NULL) )
|
|
{
|
|
PSP_DEVICE_INTERFACE_DETAIL_DATA pdidd = *ppdidd;
|
|
|
|
/*
|
|
* Note, The cbSize field always contains the size of the fixed
|
|
* part of the data structure, not a size reflecting the
|
|
* variable-length string at the end.
|
|
*/
|
|
|
|
pdidd->cbSize = cbX(SP_DEVICE_INTERFACE_DETAIL_DATA);
|
|
|
|
fRc = SetupDiGetDeviceInterfaceDetail(hdev, pdid, pdidd,
|
|
cbRequired, &cbRequired, pdinf);
|
|
|
|
if(!fRc)
|
|
{
|
|
FreePpv(ppdidd);
|
|
|
|
/*
|
|
* Set fRc = FALSE again, so the compiler doesn't need
|
|
* to blow a register to cache the value zero.
|
|
*/
|
|
fRc = FALSE;
|
|
}
|
|
} else
|
|
{
|
|
fRc = FALSE;
|
|
}
|
|
} else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: SetupDiGetDeviceInterfaceDetail failed 1, ")
|
|
TEXT("Error = %d"),
|
|
s_szProc, GetLastError());
|
|
fRc = FALSE;
|
|
}
|
|
|
|
ExitProcF(fRc);
|
|
return fRc;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func BOOL | DIHid_GetDeviceInstanceId |
|
|
*
|
|
* Obtain the instance ID for the device.
|
|
*
|
|
* The instance ID allows us to get access to device
|
|
* properties later.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOL EXTERNAL
|
|
DIHid_GetDeviceInstanceId(HDEVINFO hdev,
|
|
PSP_DEVINFO_DATA pdinf, LPTSTR *pptszId)
|
|
{
|
|
BOOL fRc;
|
|
DWORD ctchRequired;
|
|
|
|
AssertF(*pptszId == 0);
|
|
|
|
/*
|
|
* Ask for the required size then allocate it then fill it.
|
|
*
|
|
* Note that we don't need to free the memory on the failure
|
|
* path; our caller will do the necessary memory freeing.
|
|
*/
|
|
if(SetupDiGetDeviceInstanceId(hdev, pdinf, NULL, 0,
|
|
&ctchRequired) == 0 &&
|
|
GetLastError() == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
HRESULT hres;
|
|
|
|
hres = AllocCbPpv(cbCtch(ctchRequired), pptszId);
|
|
|
|
if(SUCCEEDED(hres))
|
|
{
|
|
fRc = SetupDiGetDeviceInstanceId(hdev, pdinf, *pptszId,
|
|
ctchRequired, NULL);
|
|
} else
|
|
{
|
|
fRc = FALSE;
|
|
}
|
|
} else
|
|
{
|
|
fRc = FALSE;
|
|
}
|
|
return fRc;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func BOOL | DIHid_GetInstanceGUID |
|
|
*
|
|
* Read the instance GUID from the registry, or create one if
|
|
* necessary.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOL INTERNAL
|
|
DIHid_GetInstanceGUID(HKEY hk, LPGUID pguid)
|
|
{
|
|
LONG lRc;
|
|
DWORD cb;
|
|
|
|
cb = cbX(GUID);
|
|
lRc = RegQueryValueEx(hk, TEXT("GUID"), 0, 0, (PV)pguid, &cb);
|
|
|
|
if(lRc != ERROR_SUCCESS)
|
|
{
|
|
DICreateGuid(pguid);
|
|
lRc = RegSetValueEx(hk, TEXT("GUID"), 0, REG_BINARY,
|
|
(PV)pguid, cbX(GUID));
|
|
}
|
|
|
|
return lRc == ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_EmptyHidList |
|
|
*
|
|
* Empty the list of HID devices.
|
|
*
|
|
* This function must be called under the DLL critical section.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void EXTERNAL
|
|
DIHid_EmptyHidList(void)
|
|
{
|
|
AssertF(InCrit());
|
|
|
|
/*
|
|
* Free all the old strings and things in the HIDDEVICEINFO's.
|
|
*/
|
|
if(g_phdl)
|
|
{
|
|
int ihdi;
|
|
|
|
for(ihdi = 0; ihdi < g_phdl->chdi; ihdi++)
|
|
{
|
|
FreePpv(&g_phdl->rghdi[ihdi].pdidd);
|
|
FreePpv(&g_phdl->rghdi[ihdi].ptszId);
|
|
if(g_phdl->rghdi[ihdi].hk)
|
|
{
|
|
RegCloseKey(g_phdl->rghdi[ihdi].hk);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We invalidated all the pointers, so make sure
|
|
* nobody looks at them.
|
|
*/
|
|
g_phdl->chdi = 0;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_CheckHidList |
|
|
*
|
|
* Check the list of HID devices, and free whose what can not be opened
|
|
*
|
|
* This function must be called under the DLL critical section.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void INTERNAL
|
|
DIHid_CheckHidList(void)
|
|
{
|
|
HANDLE hf;
|
|
|
|
EnterProcI(DIHid_CheckList, (_ "x", 0x0) );
|
|
|
|
AssertF(InCrit());
|
|
|
|
/*
|
|
* Free all the information of the device cannot be opened
|
|
*/
|
|
if(g_phdl)
|
|
{
|
|
int ihdi;
|
|
|
|
for(ihdi = 0, g_phdl->chdi = 0; ihdi < g_phdl->chdiAlloc; ihdi++)
|
|
{
|
|
|
|
if( g_phdl->rghdi[ihdi].pdidd )
|
|
{
|
|
|
|
/*
|
|
* Open the device
|
|
*/
|
|
hf = CreateFile(g_phdl->rghdi[ihdi].pdidd->DevicePath,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
0, /* no SECURITY_ATTRIBUTES */
|
|
OPEN_EXISTING,
|
|
0, /* attributes */
|
|
0); /* template */
|
|
|
|
if(hf == INVALID_HANDLE_VALUE)
|
|
{
|
|
#if 0
|
|
PHIDDEVICEINFO phdi;
|
|
PBUSDEVICEINFO pbdi;
|
|
|
|
CloseHandle(hf);
|
|
|
|
phdi = &g_phdl->rghdi[ihdi];
|
|
|
|
DllEnterCrit();
|
|
|
|
phdi = phdiFindHIDDeviceInterface(g_phdl->rghdi[ihdi].pdidd->DevicePath);
|
|
AssertF(phdi != NULL);
|
|
pbdi = pbdiFromphdi(phdi);
|
|
|
|
DllLeaveCrit();
|
|
|
|
if( pbdi != NULL )
|
|
{
|
|
if( pbdi->fDeleteIfNotConnected == TRUE )
|
|
{
|
|
lstrcpy( g_tszIdLastRemoved, pbdi->ptszId );
|
|
g_tmLastRemoved = GetTickCount();
|
|
|
|
DIBusDevice_Remove(pbdi);
|
|
|
|
pbdi->fDeleteIfNotConnected = FALSE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
FreePpv(&g_phdl->rghdi[ihdi].pdidd);
|
|
FreePpv(&g_phdl->rghdi[ihdi].ptszId);
|
|
|
|
if(g_phdl->rghdi[ihdi].hk)
|
|
{
|
|
RegCloseKey(g_phdl->rghdi[ihdi].hk);
|
|
}
|
|
|
|
ZeroX( g_phdl->rghdi[ihdi] );
|
|
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: CreateFile(%s) failed? le=%d"),
|
|
s_szProc, g_phdl->rghdi[ihdi].pdidd->DevicePath, GetLastError());
|
|
|
|
/* Skip erroneous items */
|
|
|
|
} else
|
|
{
|
|
CloseHandle(hf);
|
|
g_phdl->chdi++;
|
|
}
|
|
}
|
|
}
|
|
|
|
//re-order the existing devices, put them at the front of the hid list.
|
|
for(ihdi = 0; ihdi < g_phdl->chdi; ihdi++)
|
|
{
|
|
if( !g_phdl->rghdi[ihdi].pdidd )
|
|
{
|
|
int ihdi2;
|
|
|
|
//find the existing device from the biggest index in the hid list.
|
|
for( ihdi2 = g_phdl->chdiAlloc; ihdi2 >= ihdi+1; ihdi2-- )
|
|
{
|
|
if( g_phdl->rghdi[ihdi2].pdidd )
|
|
{
|
|
memcpy( &g_phdl->rghdi[ihdi], &g_phdl->rghdi[ihdi2], sizeof(HIDDEVICEINFO) );
|
|
ZeroX( g_phdl->rghdi[ihdi2] );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
ExitProc();
|
|
return;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func HRESULT | DIHid_CreateDeviceInstanceKeys |
|
|
*
|
|
* Create the keys associaciated with a particular device.
|
|
*
|
|
* @parm IN OUT PHIDDEVICEINFO | phdi |
|
|
*
|
|
* HIDDEVICEINFO we to use/update.
|
|
*
|
|
* @returns
|
|
*
|
|
* S_OK for a success
|
|
* A COM error for a failure
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#define DIHES_UNDEFINED 0
|
|
#define DIHES_UNKNOWN 1
|
|
#define DIHES_KNOWN 2
|
|
|
|
|
|
HRESULT INTERNAL
|
|
DIHid_CreateDeviceInstanceKeys( PHIDDEVICEINFO phdi, PBYTE pState )
|
|
{
|
|
HRESULT hres;
|
|
HKEY hkDin;
|
|
|
|
USHORT uVid, uPid;
|
|
|
|
TCHAR tszName[MAX_PATH];
|
|
PTCHAR ptszInstance = NULL;
|
|
|
|
EnterProcI(DIHid_CreateDeviceInstanceKeys, (_ "p", phdi));
|
|
|
|
/*
|
|
* Unfortunately, we need to open our registry keys before we can open
|
|
* the device so rather than ask the device for its VID and PID, we
|
|
* parse it from the
|
|
*/
|
|
|
|
/*
|
|
* ISSUE-2001/01/27-MarcAnd Should avoid parsing device ID ourselves
|
|
* Need to find some documented way to parse out the three parts of the
|
|
* device ID: class, device and instance in case the form changes.
|
|
*/
|
|
|
|
/*
|
|
* The format of the device ID is a set of strings in the form
|
|
* "<class>\<device>\<instance>" with variable case.
|
|
* For HID devices, the class should be "hid" and the instance is a set
|
|
* of hex values separated by ampersands. The device string should be
|
|
* of the form vid_9999&pid_9999 but devices exposed via a gameport can
|
|
* use any string that PnP accepts.
|
|
*/
|
|
|
|
AssertF( ( phdi->ptszId[0] == TEXT('H') ) || ( phdi->ptszId[0] == TEXT('h') ) );
|
|
AssertF( ( phdi->ptszId[1] == TEXT('I') ) || ( phdi->ptszId[1] == TEXT('i') ) );
|
|
AssertF( ( phdi->ptszId[2] == TEXT('D') ) || ( phdi->ptszId[2] == TEXT('d') ) );
|
|
|
|
|
|
/*
|
|
* Assert that a defined state and a valid VID/PID on entry must both be
|
|
* true or both false (so we can use the state after getting VID/PID).
|
|
*/
|
|
if( ( phdi->ProductID != 0 ) && ( phdi->VendorID !=0 ) )
|
|
{
|
|
AssertF( *pState != DIHES_UNDEFINED );
|
|
}
|
|
else
|
|
{
|
|
AssertF( *pState == DIHES_UNDEFINED );
|
|
}
|
|
|
|
if( phdi->ptszId[3] == TEXT('\\') )
|
|
{
|
|
PTCHAR ptcSrc;
|
|
PTCHAR ptDevId;
|
|
|
|
ptcSrc = ptDevId = &phdi->ptszId[4];
|
|
|
|
if( ( phdi->ProductID != 0 ) && ( phdi->VendorID !=0 ) )
|
|
{
|
|
int iLen;
|
|
/*
|
|
* Create the key name from VID / PID (because it may be
|
|
* different from the value derived from the device ID).
|
|
*/
|
|
iLen = wsprintf(tszName, VID_PID_TEMPLATE, phdi->VendorID, phdi->ProductID);
|
|
|
|
while( *ptcSrc != TEXT('\\') )
|
|
{
|
|
if( *ptcSrc == TEXT('\0') )
|
|
{
|
|
break;
|
|
}
|
|
ptcSrc++;
|
|
}
|
|
|
|
if( ( *ptcSrc != TEXT('\0') )
|
|
&& ( ptcSrc != ptDevId ) )
|
|
{
|
|
ptszInstance = &tszName[iLen+2];
|
|
lstrcpy( ptszInstance, ptcSrc+1 );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PTCHAR ptcDest;
|
|
BOOL fFirstAmpersand = FALSE;
|
|
|
|
/*
|
|
* Copy the device ID (minus "HID\") so we can corrupt the copy.
|
|
* Convert to upper case and find the other slash on the way.
|
|
* Terminate the string at either the separator slash or a second
|
|
* ampersand if one is found (VID_1234&PID_1234&COL_12 or REV_12).
|
|
* These are device IDs so we're only really interested in keeping
|
|
* real VID\PID style IDs in upper case so we don't care if this
|
|
* is imperfect for other cases as long as it is reproducable.
|
|
*/
|
|
|
|
for( ptcDest = tszName; *ptcSrc != TEXT('\0'); ptcSrc++, ptcDest++ )
|
|
{
|
|
if( ( *ptcSrc >= TEXT('a') ) && ( *ptcSrc <= TEXT('z') ) )
|
|
{
|
|
*ptcDest = *ptcSrc - ( TEXT('a') - TEXT('A') );
|
|
}
|
|
else if( *ptcSrc == TEXT('&') )
|
|
{
|
|
if( ( ptszInstance != NULL )
|
|
|| !fFirstAmpersand )
|
|
{
|
|
fFirstAmpersand = TRUE;
|
|
*ptcDest = TEXT('&');
|
|
}
|
|
else
|
|
{
|
|
*ptcDest = TEXT('\0');
|
|
}
|
|
}
|
|
else if( *ptcSrc != TEXT('\\') )
|
|
{
|
|
*ptcDest = *ptcSrc;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Only one slash and not the first char
|
|
*/
|
|
if( ( ptszInstance != NULL )
|
|
|| ( ptcDest == tszName ) )
|
|
{
|
|
ptszInstance = NULL;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Separate the device ID and the instance
|
|
*/
|
|
*ptcDest = TEXT('\0');
|
|
ptszInstance = ptcDest + 1;
|
|
}
|
|
}
|
|
|
|
if( ptszInstance != NULL )
|
|
{
|
|
#ifndef UNICODE
|
|
/*
|
|
* ISSUE-2001/02/06-MarcAnd Should have a ParseVIDPIDA
|
|
* ParseVIDPID is going to convert this string back to ANSI ifndef UNICODE
|
|
*/
|
|
WCHAR wszName[cbszVIDPID];
|
|
AToU( wszName, cA(wszName), ptDevId );
|
|
|
|
if( ( ptszInstance - tszName == cbszVIDPID )
|
|
&& ( ParseVIDPID( &uVid, &uPid, wszName ) ) )
|
|
#else
|
|
if( ( ptszInstance - tszName == cbszVIDPID )
|
|
&& ( ParseVIDPID( &uVid, &uPid, ptDevId ) ) )
|
|
#endif
|
|
{
|
|
phdi->VendorID = uVid;
|
|
phdi->ProductID = uPid;
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: ID %s, len %d not VID PID"),
|
|
s_szProc, ptDevId, ptszInstance - tszName );
|
|
}
|
|
|
|
/*
|
|
* Terminate the instance string
|
|
*/
|
|
*ptcDest = TEXT('\0');
|
|
}
|
|
}
|
|
}
|
|
|
|
if( ptszInstance == NULL )
|
|
{
|
|
hres = E_INVALIDARG;
|
|
RPF( "Ignoring invalid device ID handle \"%s\" enumerated by system" );
|
|
}
|
|
else
|
|
{
|
|
//Open our own reg key under MediaProperties\DirectInput,
|
|
//creating it if necessary.
|
|
hres = hresMumbleKeyEx(HKEY_LOCAL_MACHINE,
|
|
REGSTR_PATH_DITYPEPROP,
|
|
DI_KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&hkDin);
|
|
|
|
if( SUCCEEDED(hres) )
|
|
{
|
|
HKEY hkVidPid;
|
|
hres = hresMumbleKeyEx(hkDin,
|
|
(LPTSTR)tszName,
|
|
DI_KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&hkVidPid);
|
|
|
|
if( SUCCEEDED(hres) )
|
|
{
|
|
HKEY hkDevInsts;
|
|
|
|
/*
|
|
* Need to create user subkeys even if the device ID is not
|
|
* VID/PID as an auto-detect device could use the auto-detect
|
|
* HW ID for whatever device it detects.
|
|
*/
|
|
|
|
//Create the key for Calibration
|
|
HKEY hkCal;
|
|
|
|
hres = hresMumbleKeyEx(hkVidPid,
|
|
TEXT("Calibration"),
|
|
DI_KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&hkCal);
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
//Create the key for the instance (as the user sees it).
|
|
//For this, need to find out how many instances of the particular device
|
|
//we have already enumerated.
|
|
int ihdi;
|
|
int iNum = 0;
|
|
TCHAR tszInst[3];
|
|
|
|
for( ihdi = 0; ihdi < g_phdl->chdi; ihdi++)
|
|
{
|
|
if ((g_phdl->rghdi[ihdi].VendorID == phdi->VendorID) && (g_phdl->rghdi[ihdi].ProductID == phdi->ProductID))
|
|
{
|
|
iNum++;
|
|
}
|
|
}
|
|
|
|
wsprintf(tszInst, TEXT("%u"), iNum);
|
|
|
|
hres = hresMumbleKeyEx(hkCal,
|
|
tszInst,
|
|
DI_KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&phdi->hk);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
DIHid_GetInstanceGUID(phdi->hk, &phdi->guid);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: RegCreateKeyEx failed on Instance reg key"),
|
|
s_szProc);
|
|
}
|
|
|
|
RegCloseKey(hkCal);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: RegCreateKeyEx failed on Calibration reg key"),
|
|
s_szProc);
|
|
}
|
|
|
|
/*
|
|
* Try to open the device (plug) instances to find out or
|
|
* update the staus of processing on this device but don't
|
|
* return any failures.
|
|
*/
|
|
if( SUCCEEDED( hresMumbleKeyEx(hkVidPid,
|
|
TEXT("DeviceInstances"),
|
|
DI_KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&hkDevInsts) ) )
|
|
{
|
|
LONG lRc;
|
|
|
|
if( *pState == DIHES_UNDEFINED )
|
|
{
|
|
DWORD cb = cbX( *pState );
|
|
|
|
lRc = RegQueryValueEx( hkDevInsts,
|
|
ptszInstance, 0, 0, pState, &cb );
|
|
|
|
if( lRc != ERROR_SUCCESS )
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: RegQueryValueEx failed (%d) to get state for instance %s"),
|
|
s_szProc, lRc, ptszInstance );
|
|
/*
|
|
* Make sure it was not trashed in the failure
|
|
*/
|
|
*pState = DIHES_UNDEFINED;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lRc = RegSetValueEx( hkDevInsts,
|
|
ptszInstance, 0, REG_BINARY, pState, cbX( *pState ) );
|
|
|
|
if( lRc != ERROR_SUCCESS)
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: RegSetValueEx failed (%d) to update state for instance %S"),
|
|
s_szProc, lRc, ptszInstance );
|
|
}
|
|
}
|
|
|
|
RegCloseKey(hkDevInsts);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: Failed to open DeviceInstances key"),
|
|
s_szProc );
|
|
}
|
|
|
|
RegCloseKey(hkVidPid);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: RegCreateKeyEx failed on Device reg key"),
|
|
s_szProc);
|
|
}
|
|
|
|
RegCloseKey(hkDin);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: RegOpenKeyEx failed on DirectInput reg key"),
|
|
s_szProc);
|
|
}
|
|
}
|
|
|
|
ExitOleProc();
|
|
|
|
return hres;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_GetDevInfo |
|
|
*
|
|
* Get the HIDDEVICEINFO info from the device
|
|
*
|
|
* @parm HDEVINFO | hdev |
|
|
*
|
|
* Device to get information
|
|
*
|
|
* @parm PSP_DEVICE_INTERFACE_DATA | pdid |
|
|
*
|
|
* Describes the device
|
|
*
|
|
* @parm OUT PHIDDEVICEINFO | phdi |
|
|
*
|
|
* HIDDEVICEINFO we need to collect
|
|
*
|
|
* @returns
|
|
*
|
|
* Nonzero on success.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOL INTERNAL
|
|
DIHid_GetDevInfo( HDEVINFO hdev, PSP_DEVICE_INTERFACE_DATA pdid, PHIDDEVICEINFO phdi )
|
|
{
|
|
BOOL fRc = FALSE;
|
|
SP_DEVINFO_DATA dinf;
|
|
|
|
EnterProcI(DIHid_GetDevInfo, (_ "xpp", hdev, pdid, phdi));
|
|
|
|
/*
|
|
* Open the registry key for the device so we can obtain
|
|
* auxiliary information.
|
|
*/
|
|
|
|
dinf.cbSize = cbX(SP_DEVINFO_DATA);
|
|
|
|
/*
|
|
* Get the instance GUID and the path to
|
|
* the HID device so we can talk to it.
|
|
*/
|
|
if (DIHid_GetDevicePath(hdev, pdid, &phdi->pdidd, &dinf) &&
|
|
DIHid_GetDeviceInstanceId(hdev, &dinf, &phdi->ptszId))
|
|
{
|
|
HANDLE hf;
|
|
TCHAR tszName[MAX_PATH];
|
|
ULONG len = sizeof(tszName);
|
|
BOOL fCreateOK = FALSE;
|
|
BYTE bNewState = DIHES_UNDEFINED;
|
|
BYTE bPreviousState = DIHES_UNDEFINED;
|
|
|
|
|
|
DIHid_CreateDeviceInstanceKeys( phdi, &bPreviousState );
|
|
|
|
//////////////////// BEGIN OF PATCH ////////////////////////
|
|
/*
|
|
* This part is to keep the compatibility with Win2k Gold.
|
|
* Some driver, like Thrustmaster driver, tries to get Joystick ID
|
|
* from old registry key:
|
|
* HKLM\SYSTEM\CurrentControlSet\Control\DeviceClasses\{4d1e55b2-f16f-11cf-88cb-001111000030}\<?????????>\#\Device Parameters\DirectX
|
|
* See Windows bug 395416 for detail.
|
|
*/
|
|
{
|
|
HKEY hkDev;
|
|
HRESULT hres;
|
|
|
|
/*
|
|
* Open the registry key for the device so we can obtain
|
|
* auxiliary information, creating it if necessary.
|
|
*/
|
|
hkDev = SetupDiCreateDeviceInterfaceRegKey(hdev, pdid, 0,
|
|
MAXIMUM_ALLOWED, NULL, NULL);
|
|
|
|
if(hkDev && hkDev != INVALID_HANDLE_VALUE)
|
|
{
|
|
hres = hresMumbleKeyEx(hkDev,
|
|
TEXT("DirectX"),
|
|
KEY_ALL_ACCESS,
|
|
REG_OPTION_NON_VOLATILE,
|
|
&phdi->hkOld);
|
|
if(SUCCEEDED(hres) )
|
|
{
|
|
LONG lRc;
|
|
|
|
lRc = RegSetValueEx(phdi->hkOld, TEXT("GUID"), 0, REG_BINARY,
|
|
(PV)&phdi->guid, cbX(GUID));
|
|
}
|
|
}
|
|
}
|
|
/////////////////// END OF PATCH /////////////////////
|
|
|
|
/*
|
|
* Before we CreateFile on the device, we need to make sure the
|
|
* device is not in the middle of the setup process. If a device has
|
|
* no device description it is probably still being setup (plugged
|
|
* in) so delay opening it to avoid having an open handle on a device
|
|
* that setup is trying to update. If that happens, setup will prompt
|
|
* the user to reboot to use the device.
|
|
* Since HIDs are "RAW" devices (don't need drivers) don't ignore
|
|
* such a device forever.
|
|
*/
|
|
if( CM_Get_DevNode_Registry_Property(dinf.DevInst,
|
|
CM_DRP_DEVICEDESC,
|
|
NULL,
|
|
tszName,
|
|
&len,
|
|
0) == CR_SUCCESS)
|
|
{
|
|
/*
|
|
* Known device.
|
|
*/
|
|
fCreateOK = TRUE;
|
|
bNewState = DIHES_KNOWN;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Unknown device. This either means that setup has not yet
|
|
* completed processing the HID or that no device description
|
|
* was set for the device where it matched.
|
|
*
|
|
* For now, see if we've seen this device instance before.
|
|
* If we have, then if it was previously unknown assume it's
|
|
* going to stay that way and start using the device. If it
|
|
* was previously known or we've never seen it before wait for
|
|
* a while in case setup is just taking it's time.
|
|
*
|
|
* If the device was the last one we tried to remove, then it's
|
|
* OK to open it while it's still showing up.
|
|
* ISSUE-2001/02/06-MarcAnd Opening removed devices
|
|
* I assume this is so we get a read failure when it really goes
|
|
* away but I don't know how that's better than ignoring it.
|
|
*/
|
|
/*
|
|
* ISSUE-2001/01/27-MarcAnd Should keep real list with status
|
|
* We should keep a complete list of all the devices we know
|
|
* about with status indicating things like "pending on
|
|
* setup since X" or "removed" not these globals.
|
|
*/
|
|
if( lstrcmpi(phdi->ptszId, g_tszIdLastRemoved) == 0 )
|
|
{
|
|
fCreateOK = TRUE;
|
|
bNewState = bPreviousState;
|
|
}
|
|
else
|
|
{
|
|
if( bPreviousState == DIHES_UNKNOWN )
|
|
{
|
|
/*
|
|
* We've seen this device before and it was Unknown so
|
|
* don't expect that to change (as Setup does not retry
|
|
* the ID search through the INFs) so just use it.
|
|
*/
|
|
fCreateOK = TRUE;
|
|
bNewState = DIHES_UNKNOWN;
|
|
}
|
|
else
|
|
{
|
|
if( lstrcmpi(phdi->ptszId, g_tszIdLastUnknown) == 0 )
|
|
{
|
|
if( GetTickCount() - g_tmLastUnknown < MSREBUILDRATE )
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: DIHid_BuildHidListEntry: %s pending on setup."),
|
|
s_szProc, phdi->ptszId );
|
|
fRc = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Don't wait any longer but we'll need to update
|
|
* the state to "Unknown".
|
|
*/
|
|
fCreateOK = TRUE;
|
|
bNewState = DIHES_UNKNOWN;
|
|
g_tszIdLastUnknown[0] = TEXT('0');
|
|
#ifdef XDEBUG
|
|
if( bPreviousState == DIHES_KNOWN )
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: %s was known but is now unknown!"),
|
|
s_szProc, phdi->ptszId );
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lstrcpy( g_tszIdLastUnknown, phdi->ptszId );
|
|
g_tmLastUnknown = GetTickCount();
|
|
fRc = FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if( fCreateOK )
|
|
{
|
|
/*
|
|
* bNewState should always have been set if OK to create
|
|
*/
|
|
|
|
AssertF( bNewState != DIHES_UNDEFINED );
|
|
/*
|
|
* Open the device so we can get its (real) usage page / usage.
|
|
*/
|
|
hf = CreateFile(phdi->pdidd->DevicePath,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
0, /* no SECURITY_ATTRIBUTES */
|
|
OPEN_EXISTING,
|
|
0, /* attributes */
|
|
0); /* template */
|
|
|
|
if(hf != INVALID_HANDLE_VALUE)
|
|
{
|
|
PHIDP_PREPARSED_DATA ppd;
|
|
HIDD_ATTRIBUTES attr;
|
|
|
|
if(HidD_GetPreparsedData(hf, &ppd))
|
|
{
|
|
HIDP_CAPS caps;
|
|
|
|
if( SUCCEEDED(HidP_GetCaps(ppd, &caps)) )
|
|
{
|
|
DIHid_ParseUsagePage(phdi, &caps, ppd);
|
|
SquirtSqflPtszV(sqfl,
|
|
TEXT("%hs: Have %s"),
|
|
s_szProc, phdi->pdidd->DevicePath);
|
|
/*
|
|
* ISSUE-2001/02/06-MarcAnd Incorrect return possible
|
|
* There's nothing to reset this to false if any of
|
|
* the following code fails.
|
|
*/
|
|
fRc = TRUE;
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: HidP_GetCaps(%s) failed, le= %d"),
|
|
s_szProc, phdi->pdidd->DevicePath, GetLastError());
|
|
}
|
|
|
|
HidD_FreePreparsedData(ppd);
|
|
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: GetPreparsedData(%s) failed, le= %d"),
|
|
s_szProc, phdi->pdidd->DevicePath, GetLastError());
|
|
}
|
|
|
|
attr.Size = cbX(attr);
|
|
if( HidD_GetAttributes(hf, &attr) )
|
|
{
|
|
if( ( phdi->ProductID != attr.ProductID )
|
|
|| ( phdi->VendorID != attr.VendorID ) )
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: Device changed from VID_%04X&PID_%04X to VID_%04X&PID_%04X"),
|
|
s_szProc, phdi->VendorID, phdi->ProductID, attr.VendorID, attr.ProductID );
|
|
|
|
phdi->ProductID = attr.ProductID;
|
|
phdi->VendorID = attr.VendorID;
|
|
|
|
/*
|
|
* Make sure we update the registry.
|
|
*/
|
|
bPreviousState = DIHES_UNDEFINED;
|
|
}
|
|
|
|
if( bPreviousState != bNewState )
|
|
{
|
|
DIHid_CreateDeviceInstanceKeys( phdi, &bNewState );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: HidD_GetAttributes(%s) failed"),
|
|
s_szProc, phdi->pdidd->DevicePath);
|
|
}
|
|
|
|
DICreateStaticGuid(&phdi->guidProduct, attr.ProductID, attr.VendorID);
|
|
|
|
CloseHandle(hf);
|
|
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: CreateFile(%s) failed? le=%d"),
|
|
s_szProc, phdi->pdidd->DevicePath, GetLastError());
|
|
}
|
|
}
|
|
|
|
|
|
#ifndef WINNT
|
|
/*
|
|
* The following part is to resolve the swap id problem in OSR.
|
|
* If a USB joystick is not in the lowest available id, after unplug and replug,
|
|
* VJOYD will assign the same joystick to the lowest available id, but DINPUT still
|
|
* remembers its last id. To resolve this conflict, we need this code.
|
|
*/
|
|
|
|
{
|
|
VXDINITPARMS vip;
|
|
CHAR sz[MAX_PATH];
|
|
LPSTR pszPath;
|
|
BOOL fFindIt = FALSE;
|
|
|
|
for( phdi->idJoy = 0; phdi->idJoy < cJoyMax; phdi->idJoy++ )
|
|
{
|
|
pszPath = JoyReg_JoyIdToDeviceInterface_95(phdi->idJoy, &vip, sz);
|
|
if(pszPath)
|
|
{
|
|
if( lstrcmpiA(pszPath, (PCHAR)phdi->pdidd->DevicePath) == 0x0 ) {
|
|
fFindIt = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( fFindIt )
|
|
{
|
|
if( phdi->hk != 0x0 )
|
|
{
|
|
/*
|
|
* Don't worry if the registry write fails
|
|
*/
|
|
RegSetValueEx(phdi->hk, TEXT("Joystick Id"), 0, 0, (PV)&phdi->idJoy, cbX(phdi->idJoy) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Post Dx7 Patch. Win9x only
|
|
* Some IHVs have created VJoyD mini drivers for their
|
|
* USB game controllers that are used instead of JoyHID.
|
|
* Since the interface to communicate hot-plugging with
|
|
* VJoyD has not been made public, these devices cannot
|
|
* be matched with a HID alias. To avoid both instances
|
|
* of the same device being enumerated, mark any HID
|
|
* game controller that does not have a VJoyD alias as
|
|
* a (unknown) device type.
|
|
*
|
|
* Post DX7a! Only do this for game controllers
|
|
*/
|
|
if( GET_DIDEVICE_TYPE( phdi->osd.dwDevType ) >= DI8DEVTYPE_GAMEMIN )
|
|
{
|
|
/*
|
|
* Change type from joystick to device
|
|
*/
|
|
phdi->osd.dwDevType &= ~(DIDEVTYPE_TYPEMASK | DIDEVTYPE_SUBTYPEMASK);
|
|
phdi->osd.dwDevType |= DI8DEVTYPE_DEVICE;
|
|
}
|
|
/*
|
|
* Set to the invalid id anyway
|
|
*/
|
|
phdi->idJoy = -1;
|
|
}
|
|
}
|
|
#else
|
|
// Executed only on WINNT
|
|
if( phdi->hk != 0x0 )
|
|
{
|
|
DWORD cb;
|
|
|
|
cb = cbX(phdi->idJoy);
|
|
|
|
if( RegQueryValueEx(phdi->hk, TEXT("Joystick Id"),
|
|
0, 0, (PV)&phdi->idJoy, &cb ) != ERROR_SUCCESS )
|
|
{
|
|
phdi->idJoy = JOY_BOGUSID;
|
|
}
|
|
}
|
|
#endif // WINNT
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: Unable to get GUID or device path"),
|
|
s_szProc);
|
|
}
|
|
|
|
|
|
/*
|
|
* If we failed, then free the goo we already got.
|
|
*/
|
|
if(!fRc)
|
|
{
|
|
if( phdi->hk )
|
|
{
|
|
RegCloseKey(phdi->hk);
|
|
}
|
|
phdi->hk = 0;
|
|
FreePpv(&phdi->pdidd);
|
|
FreePpv(&phdi->ptszId);
|
|
}
|
|
|
|
ExitProcF(fRc);
|
|
|
|
return fRc;
|
|
}
|
|
|
|
#undef DIHES_UNDEFINED
|
|
#undef DIHES_UNKNOWN
|
|
#undef DIHES_KNOWN
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_BuildHidListEntry |
|
|
*
|
|
* Builds a single entry in the list of HID devices.
|
|
*
|
|
* @parm HDEVINFO | hdev |
|
|
*
|
|
* Device list being enumerated.
|
|
*
|
|
* @parm PSP_DEVICE_INTERFACE_DATA | pdid |
|
|
*
|
|
* Describes the device that was enumerated.
|
|
*
|
|
* @returns
|
|
*
|
|
* Nonzero on success.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOL INTERNAL
|
|
DIHid_BuildHidListEntry(HDEVINFO hdev, PSP_DEVICE_INTERFACE_DATA pdid)
|
|
{
|
|
BOOL fRc = TRUE;
|
|
BOOL fAlreadyExist = FALSE;
|
|
PHIDDEVICEINFO phdi;
|
|
HIDDEVICEINFO hdi;
|
|
|
|
EnterProcI(DIHid_BuildHidListEntry, (_ "xp", hdev, pdid));
|
|
|
|
|
|
if(g_phdl)
|
|
{
|
|
PSP_DEVICE_INTERFACE_DETAIL_DATA pdidd;
|
|
|
|
/* GetDevicePath is expecting a NULL */
|
|
pdidd = NULL;
|
|
if( DIHid_GetDevicePath(hdev, pdid, &pdidd, NULL) )
|
|
{
|
|
PHIDDEVICEINFO phdi;
|
|
int ihdi;
|
|
|
|
//Check whether the device has been in the list
|
|
for(ihdi = 0, phdi = g_phdl->rghdi;
|
|
ihdi < g_phdl->chdi;
|
|
ihdi++, phdi++)
|
|
{
|
|
if( phdi->pdidd )
|
|
{
|
|
if( lstrcmp( pdidd->DevicePath, phdi->pdidd->DevicePath ) == 0 )
|
|
{
|
|
//already in the list
|
|
fAlreadyExist = TRUE;
|
|
|
|
#ifdef WINNT
|
|
// Id may be changed, so refresh here.
|
|
// See Windows bug 321711. -qzheng
|
|
if( phdi->hk != 0x0 )
|
|
{
|
|
DWORD cb;
|
|
cb = cbX(phdi->idJoy);
|
|
|
|
if( RegQueryValueEx(phdi->hk, TEXT("Joystick Id"),
|
|
0, 0, (PV)&phdi->idJoy, &cb ) != ERROR_SUCCESS )
|
|
{
|
|
phdi->idJoy = JOY_BOGUSID;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
SquirtSqflPtszV(sqfl | sqflTrace,
|
|
TEXT("%hs: Device %s Already Exists in HID List "), s_szProc, pdidd->DevicePath);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
FreePpv(&pdidd);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: DIHid_GetDevicePath failed"), s_szProc, pdidd->DevicePath);
|
|
}
|
|
|
|
if( fAlreadyExist )
|
|
{
|
|
//device is already there, needn't do anything, just leave
|
|
} else
|
|
{
|
|
PBUSDEVICEINFO pbdi;
|
|
|
|
if( g_phdl->chdi >= g_phdl->chdiAlloc )
|
|
{
|
|
/*
|
|
* Make sure there is room for this device in the list.
|
|
* Grow by doubling.
|
|
*/
|
|
|
|
HRESULT hres;
|
|
|
|
/*
|
|
* Prefix warns that g_phdl would be NULL if the requested
|
|
* size is zero (mb:35353). Assert that it is never zero.
|
|
*/
|
|
AssertF( cbHdlChdi(g_phdl->chdiAlloc * 2) );
|
|
hres = ReallocCbPpv(cbHdlChdi(g_phdl->chdiAlloc * 2), &g_phdl);
|
|
|
|
if(FAILED(hres))
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("%hs: Realloc failed"), s_szProc);
|
|
|
|
fRc = FALSE;
|
|
goto done;
|
|
}
|
|
|
|
g_phdl->chdiAlloc *= 2;
|
|
}
|
|
|
|
phdi = &g_phdl->rghdi[g_phdl->chdi];
|
|
|
|
memset( &hdi, 0, sizeof(hdi) );
|
|
|
|
if( DIHid_GetDevInfo(hdev, pdid, &hdi) )
|
|
{
|
|
hdi.fAttached = TRUE;
|
|
|
|
pbdi = pbdiFromphdi(&hdi);
|
|
if( pbdi != NULL )
|
|
{
|
|
|
|
/*
|
|
* If the devices is just being removed, and PnP is working on the
|
|
* removing, then we won't include it in our list.
|
|
*/
|
|
if( lstrcmpi(pbdi->ptszId, g_tszIdLastRemoved) == 0 &&
|
|
GetTickCount() - g_tmLastRemoved < MSREBUILDRATE_FIFTH )
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: DIHid_BuildHidListEntry: %s pending on removal."),
|
|
s_szProc, pbdi->ptszId );
|
|
|
|
fRc = FALSE;
|
|
} else {
|
|
BUS_REGDATA RegData;
|
|
|
|
memcpy( phdi, &hdi, sizeof(hdi) );
|
|
g_phdl->chdi++;
|
|
|
|
if( SUCCEEDED(DIBusDevice_GetRegData(pbdi->hk, &RegData)) )
|
|
{
|
|
RegData.fAttachOnReboot = TRUE;
|
|
DIBusDevice_SetRegData(pbdi->hk, &RegData);
|
|
}
|
|
}
|
|
} else {
|
|
memcpy( phdi, &hdi, sizeof(hdi) );
|
|
g_phdl->chdi++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflBenign,
|
|
TEXT("%hs: DIHid_GetDevInfo failed, ignoring device"), s_szProc );
|
|
fRc = FALSE;
|
|
}
|
|
}
|
|
} // end of if(g_phdl)
|
|
|
|
done:
|
|
|
|
ExitProcF(fRc);
|
|
|
|
return fRc;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* @doc INTERNAL
|
|
*
|
|
* @func void | DIHid_BuildHidList |
|
|
*
|
|
* Builds the list of HID devices.
|
|
*
|
|
* @parm BOOL | fForce |
|
|
*
|
|
* If nonzero, we force a rebuild of the HID list.
|
|
* Otherwise, we rebuild only if the list hasn't
|
|
* been rebuilt recently.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void EXTERNAL
|
|
DIHid_BuildHidList(BOOL fForce)
|
|
{
|
|
HRESULT hres;
|
|
DWORD dwTick;
|
|
|
|
EnterProcI(DIHid_BuildHidList, (_ "u", fForce));
|
|
|
|
DllEnterCrit();
|
|
|
|
|
|
// Force implies a complete rebuild of the list
|
|
// No hanging onto old entries.
|
|
if( fForce )
|
|
{
|
|
DIHid_EmptyHidList();
|
|
}
|
|
//ISSUE-2001/03/29-timgill Meltdown code change may be unnecessary
|
|
|
|
dwTick = GetTickCount();
|
|
|
|
if(!(g_flEmulation & 0x80000000) && /* Not disabled by emulation */
|
|
HidD_GetHidGuid && /* HID actually exists */
|
|
(fForce || /* Forcing rebuild, or */
|
|
g_tmLastHIDRebuild == 0 || /* Never built before, or */
|
|
dwTick - g_tmLastHIDRebuild > MSREBUILDRATE /* Haven't built for a while */
|
|
#ifdef WINNT
|
|
|| dwTick - Excl_GetConfigChangedTime() < MSREBUILDRATE /* joyConfig just Changed */
|
|
#endif
|
|
))
|
|
{
|
|
GUID guidHid;
|
|
HDEVINFO hdev;
|
|
|
|
HidD_GetHidGuid(&guidHid);
|
|
|
|
hdev = SetupDiGetClassDevs(&guidHid, 0, 0,
|
|
DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
|
|
if(hdev != INVALID_HANDLE_VALUE)
|
|
{
|
|
DIHid_CheckHidList();
|
|
|
|
/*
|
|
* There is no way to query the number of devices.
|
|
* You just have to keep incrementing until you run out.
|
|
*
|
|
* If we already have a g_phdl, then re-use it. Else, create
|
|
* a new one. But always realloc up to the minimum starting
|
|
* point. (This upward realloc is important in case there
|
|
* were no HID devices the last time we checked.)
|
|
*/
|
|
|
|
if( !g_phdl )
|
|
{
|
|
hres = AllocCbPpv(cbHdlChdi(chdiInit), &g_phdl);
|
|
|
|
if(SUCCEEDED(hres))
|
|
{
|
|
g_phdl->chdi = 0;
|
|
g_phdl->chdiAlloc = chdiInit;
|
|
} else
|
|
{
|
|
/* Skip erroneous items */
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("DIHid_BuildHidListEntry ")
|
|
TEXT("Realloc g_phdl fails."));
|
|
}
|
|
} else
|
|
{
|
|
hres = S_OK;
|
|
}
|
|
|
|
|
|
if(SUCCEEDED(hres))
|
|
{
|
|
int idev;
|
|
|
|
/*
|
|
* To avoid infinite looping on
|
|
* internal *boo-boo's*, break on any
|
|
* error once we have tried more than
|
|
* chdiMax devices, since that's the most
|
|
* HID will ever give us.
|
|
*/
|
|
for(idev = 0; idev < chdiMax; idev++)
|
|
{
|
|
SP_DEVICE_INTERFACE_DATA did;
|
|
|
|
AssertF(g_phdl->chdi <= g_phdl->chdiAlloc);
|
|
|
|
/*
|
|
* SetupDI requires that the caller initialize cbSize.
|
|
*/
|
|
did.cbSize = cbX(did);
|
|
if(SetupDiEnumDeviceInterfaces(hdev, 0, &guidHid,
|
|
idev, &did))
|
|
{
|
|
if(!DIHid_BuildHidListEntry(hdev, &did))
|
|
{
|
|
/* Skip erroneous items */
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("DIHid_BuildHidListEntry ")
|
|
TEXT("failed?"));
|
|
}
|
|
|
|
}
|
|
else if(GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
/* Skip erroneous items */
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("SetupDiEnumDeviceInterface ")
|
|
TEXT("failed? le=%d"), GetLastError());
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
SetupDiDestroyDeviceInfoList(hdev);
|
|
}
|
|
else
|
|
{
|
|
SquirtSqflPtszV(sqfl | sqflError,
|
|
TEXT("SetupDiGetClassDevs failed le=%d"), GetLastError());
|
|
}
|
|
|
|
#ifdef WINNT
|
|
if( g_phdl && g_phdl->chdi )
|
|
{
|
|
DIWdm_InitJoyId();
|
|
}
|
|
#endif
|
|
|
|
g_tmLastHIDRebuild = GetTickCount();
|
|
}
|
|
|
|
DllLeaveCrit();
|
|
|
|
ExitProc();
|
|
|
|
}
|
|
|
|
|
|
DWORD DIHid_DetectHideAndRevealFlags( PCHID this )
|
|
{
|
|
// Get hold of the Devices Parent
|
|
// If the Parent a HID device that we know about ?
|
|
// If the parent is a gaming device ( joystick / gamepad, etc )
|
|
// Mark the device as being "fictional"
|
|
|
|
DWORD dwFlags2 = 0x0;
|
|
HDEVINFO hdev;
|
|
|
|
|
|
// We only detect and hide mice and keyboard,
|
|
// For now, there is no reason to hide other HID devices.
|
|
// Futhermore the scheme to detect which devices to hide is based
|
|
// on MSHs filter driver implementation where they eject PDOs for
|
|
// "fictional" devices. These fictional devices show up as childern of
|
|
// gaming devices. FredBh (HID/PM) informs us that most multi-function devices he
|
|
// has seen (mice and kbd) have had multiple top level collections.
|
|
AssertF( ( GET_DIDEVICE_TYPE( this->dwDevType ) == DI8DEVTYPE_MOUSE )
|
|
|| ( GET_DIDEVICE_TYPE( this->dwDevType ) == DI8DEVTYPE_KEYBOARD ) );
|
|
|
|
hdev = SetupDiCreateDeviceInfoList(NULL, NULL);
|
|
if (hdev != INVALID_HANDLE_VALUE)
|
|
{
|
|
SP_DEVINFO_DATA dinf;
|
|
dinf.cbSize = cbX(SP_DEVINFO_DATA);
|
|
if (SetupDiOpenDeviceInfo(hdev, this->ptszId, NULL, 0, &dinf))
|
|
{
|
|
DEVINST DevInst;
|
|
if ( (CM_Get_Parent(&DevInst, dinf.DevInst, 0x0)) == CR_SUCCESS )
|
|
{
|
|
TCHAR tszId[MAX_PATH];
|
|
if ( CR_SUCCESS == CM_Get_Device_ID(DevInst, tszId, MAX_PATH, 0x0 ))
|
|
{
|
|
PHIDDEVICEINFO phdi;
|
|
DllEnterCrit();
|
|
phdi = phdiFindHIDDeviceId(tszId);
|
|
|
|
if ( phdi )
|
|
{
|
|
DWORD dwDevType = phdi->osd.dwDevType;
|
|
// If the device is a HID gaming device (in the broadest definition)
|
|
if ( ( GET_DIDEVICE_TYPE(dwDevType) >= DI8DEVTYPE_GAMEMIN )
|
|
&& ( dwDevType & DIDEVTYPE_HID ) )
|
|
{
|
|
dwFlags2 = JOYTYPE_HIDEACTIVE;
|
|
|
|
switch (GET_DIDEVICE_TYPE( this->dwDevType ))
|
|
{
|
|
case DI8DEVTYPE_MOUSE:
|
|
dwFlags2 |= JOYTYPE_MOUSEHIDE;
|
|
break;
|
|
case DI8DEVTYPE_KEYBOARD:
|
|
dwFlags2 |= JOYTYPE_KEYBHIDE;
|
|
break;
|
|
default:
|
|
AssertF(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
DllLeaveCrit();
|
|
|
|
}
|
|
}
|
|
}
|
|
SetupDiDestroyDeviceInfoList(hdev);
|
|
}
|
|
return dwFlags2;
|
|
}
|