pcsx2/plugins/LilyPad/HidDevice.cpp

81 lines
3.6 KiB
C++

/* LilyPad - Pad plugin for PS2 Emulator
* Copyright (C) 2002-2014 PCSX2 Dev Team/ChickenLiver
*
* PCSX2 is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Found- ation, either version 3 of the License, or (at your option)
* any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with PCSX2. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Global.h"
#include "HidDevice.h"
#include <setupapi.h>
#include <hidsdi.h>
int FindHids(HidDeviceInfo **foundDevs, int vid, int pid)
{
GUID GUID_DEVINTERFACE_HID;
int numFoundDevs = 0;
*foundDevs = 0;
HidD_GetHidGuid(&GUID_DEVINTERFACE_HID);
HDEVINFO hdev = SetupDiGetClassDevs(&GUID_DEVINTERFACE_HID, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (hdev != INVALID_HANDLE_VALUE) {
SP_DEVICE_INTERFACE_DATA devInterfaceData;
devInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
for (int i = 0; SetupDiEnumDeviceInterfaces(hdev, 0, &GUID_DEVINTERFACE_HID, i, &devInterfaceData); i++) {
DWORD size = 0;
SetupDiGetDeviceInterfaceDetail(hdev, &devInterfaceData, 0, 0, &size, 0);
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER || !size)
continue;
SP_DEVICE_INTERFACE_DETAIL_DATA *devInterfaceDetails = (SP_DEVICE_INTERFACE_DETAIL_DATA *)malloc(size);
if (!devInterfaceDetails)
continue;
devInterfaceDetails->cbSize = sizeof(*devInterfaceDetails);
SP_DEVINFO_DATA devInfoData;
devInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
if (!SetupDiGetDeviceInterfaceDetail(hdev, &devInterfaceData, devInterfaceDetails, size, &size, &devInfoData))
continue;
HANDLE hfile = CreateFile(devInterfaceDetails->DevicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0);
if (hfile != INVALID_HANDLE_VALUE) {
HIDD_ATTRIBUTES attributes;
attributes.Size = sizeof(attributes);
if (HidD_GetAttributes(hfile, &attributes)) {
if (attributes.VendorID == vid && attributes.ProductID == pid) {
PHIDP_PREPARSED_DATA pData;
HIDP_CAPS caps;
if (HidD_GetPreparsedData(hfile, &pData)) {
if (HidP_GetCaps(pData, &caps) == HIDP_STATUS_SUCCESS) {
if (numFoundDevs % 32 == 0) {
*foundDevs = (HidDeviceInfo *)realloc(*foundDevs, sizeof(HidDeviceInfo) * (32 + numFoundDevs));
}
HidDeviceInfo *dev = &foundDevs[0][numFoundDevs++];
dev->caps = caps;
dev->vid = attributes.VendorID;
dev->pid = attributes.ProductID;
dev->path = wcsdup(devInterfaceDetails->DevicePath);
}
HidD_FreePreparsedData(pData);
}
}
}
CloseHandle(hfile);
}
free(devInterfaceDetails);
}
SetupDiDestroyDeviceInfoList(hdev);
}
return numFoundDevs;
}