Some preliminary HID code that I may or may not build off of.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1673 96395faa-99c1-11dd-bbfe-3dabce05a288

plugins/LilyPad/HidDevice.cpp

@@ -0,0 +1,111 @@
+#include "Global.h"
+#include "HidDevice.h"
+#include <setupapi.h>
+
+// Tons of annoying junk to avoid the hid dependencies, so no one has to download the
+// DDK to compile.
+#define  HIDP_STATUS_SUCCESS 0x110000
+
+struct HIDD_ATTRIBUTES {
+    ULONG   Size;
+
+    USHORT  VendorID;
+    USHORT  ProductID;
+    USHORT  VersionNumber;
+};
+struct HIDP_PREPARSED_DATA;
+
+typedef BOOLEAN (__stdcall *_HidD_GetAttributes) (HANDLE HidDeviceObject, HIDD_ATTRIBUTES *Attributes);
+typedef void (__stdcall *_HidD_GetHidGuid) (GUID* HidGuid);
+typedef BOOLEAN (__stdcall *_HidD_GetPreparsedData) (HANDLE HidDeviceObject, HIDP_PREPARSED_DATA **PreparsedData);
+typedef NTSTATUS (__stdcall *_HidP_GetCaps) (HIDP_PREPARSED_DATA* PreparsedData, HIDP_CAPS *caps);
+typedef BOOLEAN (__stdcall *_HidD_FreePreparsedData) (HIDP_PREPARSED_DATA *PreparsedData);
+
+GUID GUID_DEVINTERFACE_HID;
+_HidD_GetHidGuid pHidD_GetHidGuid;
+_HidD_GetAttributes pHidD_GetAttributes;
+_HidD_GetPreparsedData pHidD_GetPreparsedData;
+_HidP_GetCaps pHidP_GetCaps;
+_HidD_FreePreparsedData pHidD_FreePreparsedData;
+
+HMODULE hModHid = 0;
+
+int InitHid() {
+	if (hModHid) {
+		return 1;
+	}
+	hModHid = LoadLibraryA("hid.dll");
+	if (hModHid) {
+		if ((pHidD_GetHidGuid = (_HidD_GetHidGuid) GetProcAddress(hModHid, "HidD_GetHidGuid")) &&
+			(pHidD_GetAttributes = (_HidD_GetAttributes) GetProcAddress(hModHid, "HidD_GetAttributes")) &&
+			(pHidD_GetPreparsedData = (_HidD_GetPreparsedData) GetProcAddress(hModHid, "HidD_GetPreparsedData")) &&
+			(pHidP_GetCaps = (_HidP_GetCaps) GetProcAddress(hModHid, "HidP_GetCaps")) &&
+			(pHidD_FreePreparsedData = (_HidD_FreePreparsedData) GetProcAddress(hModHid, "HidD_FreePreparsedData"))) {
+				pHidD_GetHidGuid(&GUID_DEVINTERFACE_HID);
+				return 1;
+		}
+		UninitHid();
+	}
+	return 0;
+}
+
+int FindHids(HidDeviceInfo **foundDevs, int vid, int pid) {
+	if (!InitHid()) return 0;
+	int numFoundDevs = 0;
+	*foundDevs = 0;
+	HDEVINFO hdev = SetupDiGetClassDevsW(&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 = CreateFileW(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 (pHidD_GetAttributes(hfile, &attributes)) {
+					if (attributes.VendorID == vid && attributes.ProductID == pid) {
+						HIDP_PREPARSED_DATA *pData;
+						HIDP_CAPS caps;
+						if (pHidD_GetPreparsedData(hfile, &pData)) {
+							if (HIDP_STATUS_SUCCESS == pHidP_GetCaps(pData, &caps)) {
+								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);
+							}
+							pHidD_FreePreparsedData(pData);
+						}
+					}
+				}
+				CloseHandle(hfile);
+			}
+			free(devInterfaceDetails);
+		}
+		SetupDiDestroyDeviceInfoList(hdev);
+	}
+	return numFoundDevs;
+}
+
+void UninitHid() {
+	if (hModHid) {
+		FreeLibrary(hModHid);
+		hModHid = 0;
+	}
+}

plugins/LilyPad/HidDevice.h

@@ -0,0 +1,39 @@
+#ifndef HID_DEVICE_H
+#define HID_DEVICE_H
+
+int InitHid();
+
+typedef USHORT USAGE;
+struct HIDP_CAPS {
+    USAGE    Usage;
+    USAGE    UsagePage;
+    USHORT   InputReportByteLength;
+    USHORT   OutputReportByteLength;
+    USHORT   FeatureReportByteLength;
+    USHORT   Reserved[17];
+
+    USHORT   NumberLinkCollectionNodes;
+
+    USHORT   NumberInputButtonCaps;
+    USHORT   NumberInputValueCaps;
+    USHORT   NumberInputDataIndices;
+
+    USHORT   NumberOutputButtonCaps;
+    USHORT   NumberOutputValueCaps;
+    USHORT   NumberOutputDataIndices;
+
+    USHORT   NumberFeatureButtonCaps;
+    USHORT   NumberFeatureValueCaps;
+    USHORT   NumberFeatureDataIndices;
+};
+
+struct HidDeviceInfo {
+	HIDP_CAPS caps;
+	wchar_t *path;
+	unsigned short vid;
+	unsigned short pid;
+};
+
+void UninitHid();
+
+#endif

plugins/LilyPad/LilyPad_VC2005.vcproj

@@ -608,6 +608,14 @@
 				RelativePath=".\DirectInput.h"
 				>
 			</File>
+			<File
+				RelativePath=".\HidDevice.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\HidDevice.h"
+				>
+			</File>
 			<File
 				RelativePath=".\KeyboardHook.cpp"
 				>

plugins/LilyPad/LilyPad_VC2008.vcproj

@@ -542,6 +542,14 @@
 				RelativePath=".\DirectInput.h"
 				>
 			</File>
+			<File
+				RelativePath=".\HidDevice.cpp"
+				>
+			</File>
+			<File
+				RelativePath=".\HidDevice.h"
+				>
+			</File>
 			<File
 				RelativePath=".\KeyboardHook.cpp"
 				>