private static string GetDeviceName(IntPtr pDevInfoSet, SetupApi.SpDevInfoData deviceInfoData)
{
var hDeviceRegistryKey = SetupApi.SetupDiOpenDevRegKey(pDevInfoSet, deviceInfoData,
DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE);
if (hDeviceRegistryKey == IntPtr.Zero)
{
throw new Exception("Failed to open a registry key for device-specific configuration information");
}
var deviceNameBuf = new StringBuilder(256);
try {
uint lpRegKeyType;
var length = (uint)deviceNameBuf.Capacity;
int result = RegQueryValueEx(hDeviceRegistryKey, "PortName", 0, out lpRegKeyType, deviceNameBuf, ref length);
if (result != 0)
{
throw new Exception("Can not read registry value PortName for device " + deviceInfoData.ClassGuid);
}
}
finally {
RegCloseKey(hDeviceRegistryKey);
}
string deviceName = deviceNameBuf.ToString();
return(deviceName);
}
public RegistryKey OpenRegistryKey(UInt32 scope, UInt32 hwProfile, UInt32 keyType, UInt32 samDesired)
{
using (SafeDeviceInfoSetHandle dis = SetupApi.SetupDiGetClassDevsA(IntPtr.Zero, DeviceID, IntPtr.Zero, DICFG.DEVICEINTERFACE | DICFG.ALLCLASSES)) {
if (dis.IsInvalid)
{
throw new Win32Exception();
}
SP_DEVINFO_DATA dd = new SP_DEVINFO_DATA(true);
if (!SetupApi.SetupDiEnumDeviceInfo(dis, 0, ref dd))
{
return(null);
}
IntPtr handle = SetupApi.SetupDiOpenDevRegKey(dis, ref dd, scope, hwProfile, keyType, samDesired);
if (handle == (IntPtr)(-1))
{
return(null);
}
return(RegistryKeyFromHandle(handle, true, (samDesired & (0x00000002 | 0x00000004 | 0x00000020)) != 0));
}
}
public static int EnumerateDevices(DeviceEnumeratorInfo deviceEnumeratorInfo)
{
int devIndex;
const uint CM_PROB_PHANTOM = (0x0000002D); // The devinst currently exists only in the registry
// Initialize the SP_DEVINFO_DATA structure
SetupApi.SP_DEVINFO_DATA devInfoData = new SetupApi.SP_DEVINFO_DATA();
devInfoData.cbSize = (uint)Marshal.SizeOf(typeof(SetupApi.SP_DEVINFO_DATA));
// Used to parse the DeviceID tokens.
RegHardwareID regHardwareID = RegHardwareID.GlobalInstance;
// Used as a buffer for:
// * SetupDiGetDeviceRegistryProperty
// * CM_Get_Device_ID
// * SetupDiGetCustomDeviceProperty
// * SetupDiGetDeviceProperty
byte[] propBuffer = new byte[1024];
// List all connected USB devices
IntPtr pDevInfo = SetupApi.SetupDiGetClassDevs(0, "USB", deviceEnumeratorInfo.Hwnd, deviceEnumeratorInfo.DICFGFlags);
if (pDevInfo == IntPtr.Zero || pDevInfo == new IntPtr(-1))
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Win32Error, "SetupDiGetClassDevs Failed!");
return(-1);
}
for (devIndex = 0;; devIndex++)
{
if (!SetupApi.SetupDiEnumDeviceInfo(pDevInfo, devIndex, ref devInfoData))
{
// Reached the end of the eviceInfo list.
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Info, "device enumeration complete.");
break;
}
DeviceItem deviceItem = new DeviceItem();
// SPDRP_DRIVER seems to do a better job at detecting driverless devices than
// SPDRP_INSTALL_STATE
RegistryValueKind propertyType;
int requiredSize;
if (SetupApi.SetupDiGetDeviceRegistryProperty(pDevInfo,
ref devInfoData,
SetupApi.SPDRP.DRIVER,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize))
{
deviceItem.mDriverless = false;
// Read all string values from the registry driver key
IntPtr hKey = SetupApi.SetupDiOpenDevRegKey(pDevInfo,
ref devInfoData,
1,
0,
DevKeyType.DRV,
(int)RegistryKeyPermissionCheck.ReadSubTree);
if (hKey != IntPtr.Zero && hKey != new IntPtr(-1))
{
int index = 0;
int nameLength = 255;
int dataLength = 1023;
deviceItem.mDriverRegistryList = new Dictionary <string, object>();
StringBuilder sbName = new StringBuilder(nameLength + 1);
StringBuilder sbValue = new StringBuilder(dataLength + 1);
RegistryValueKind regValueType;
while (SetupApi.RegEnumValue(hKey, index, sbName, ref nameLength, IntPtr.Zero, out regValueType, sbValue, ref dataLength) == 0)
{
if (regValueType == RegistryValueKind.String)
{
deviceItem.mDriverRegistryList.Add(sbName.ToString(), sbValue.ToString());
}
// Get next key/value index
index++;
// Reset max lengths
nameLength = 255;
dataLength = 1023;
}
SetupApi.RegCloseKey(hKey);
}
}
else
{
deviceItem.mDriverless = true;
}
// [trobinson] patch
uint status;
uint pbmNumber;
deviceItem.mIsConnected = (SetupApi.CM_Get_DevNode_Status(out status, out pbmNumber, devInfoData.DevInst, 0) != SetupApi.CR.NO_SUCH_DEVNODE);
if (deviceItem.mIsConnected)
{
deviceItem.mIsConnected = ((pbmNumber & CM_PROB_PHANTOM) != CM_PROB_PHANTOM);
}
//if (deviceItem.mDriverless && !deviceItem.mIsConnected)
// deviceItem.mDriverless = false;
// Find only the ones that are driverless
if (deviceEnumeratorInfo.DriverlessOnly && !deviceItem.mDriverless)
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Info, "skipping non driverless device.");
continue;
}
// Driverless devices will return an error
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Info, "driverless device found.");
// Eliminate USB hubs by checking the driver string
if (!SetupApi.SetupDiGetDeviceRegistryProperty(pDevInfo,
ref devInfoData,
SetupApi.SPDRP.SERVICE,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize))
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Warning, "failed getting SPDRP.SERVICE");
deviceItem.mServiceName = String.Empty;
}
else
{
deviceItem.mServiceName = GetAsAutoString(propBuffer);
}
bool bContinue = true;
foreach (string skipServiceName in mSkipServiceNames)
{
if (deviceItem.mServiceName.Trim().ToLower() == skipServiceName)
{
bContinue = false;
break;
}
}
if (!bContinue && deviceEnumeratorInfo.SkipWindowsServices)
{
continue;
}
//if (!bContinue)
// continue;
deviceItem.mIsSkipServiceName = !bContinue;
string[] saHardwareIDs;
// Retrieve the hardware ID
if (!SetupApi.SetupDiGetDeviceRegistryProperty(out saHardwareIDs,
pDevInfo,
ref devInfoData,
SetupApi.SPDRP.HARDWAREID))
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Win32Error, "failed getting SPDRP.HARDWAREID");
continue;
}
if (saHardwareIDs.Length == 0)
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Error, "device does not have any hardware ids");
continue;
}
for (int hwid = 0; hwid < saHardwareIDs.Length; hwid++)
{
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Info, "found hardware ID ({0}/{1}): {2}", hwid + 1, saHardwareIDs.Length, saHardwareIDs[hwid]);
}
// Get Device ID
SetupApi.CR r = SetupApi.CM_Get_Device_ID(devInfoData.DevInst, propBuffer, propBuffer.Length, 0);
if (r != SetupApi.CR.SUCCESS)
{
InfWizardStatus.Log(CategoryType.EnumerateDevices,
StatusType.Error,
"CM_Get_Device_ID:Failed retrieving simple path for device index: {0} HWID:{1} CR error {2}",
devIndex,
saHardwareIDs[0],
r);
continue;
}
deviceItem.mDeviceId = GetAsAutoString(propBuffer);
InfWizardStatus.Log(CategoryType.EnumerateDevices,
StatusType.Info,
"{0} USB device {1}: {2}",
deviceItem.mDriverless ? "Driverless" : deviceItem.mServiceName,
devIndex,
deviceItem.mDeviceId);
string sDeviceDescription;
if (SetupApi.WindowsVersion < WindowsVersionType.WINDOWS_7)
{
// On Vista and earlier, we can use SPDRP_DEVICEDESC
bContinue = SetupApi.SetupDiGetDeviceRegistryProperty(out sDeviceDescription,
pDevInfo,
ref devInfoData,
SetupApi.SPDRP.DEVICEDESC);
if (!bContinue)
{
sDeviceDescription = string.Empty;
}
}
else
{
// On Windows 7, the information we want ("Bus reported device description") is
// accessed through DEVPKEY_Device_BusReportedDeviceDesc
try
{
bContinue = SetupApi.SetupDiGetDeviceProperty(pDevInfo,
ref devInfoData,
SetupApi.DEVPKEY_Device_BusReportedDeviceDesc,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize,
0);
}
catch (DllNotFoundException)
{
//if (SetupDiGetDeviceProperty == NULL)
InfWizardStatus.Log(CategoryType.EnumerateDevices,
StatusType.Warning,
"Failed to locate SetupDiGetDeviceProperty() is Setupapi.dll");
bContinue = false;
}
if (bContinue)
{
sDeviceDescription = GetAsAutoString(propBuffer);
}
else
{
// fallback to SPDRP_DEVICEDESC (USB husb still use it)
bContinue = SetupApi.SetupDiGetDeviceRegistryProperty(out sDeviceDescription,
pDevInfo,
ref devInfoData,
SetupApi.SPDRP.DEVICEDESC);
if (!bContinue)
{
sDeviceDescription = string.Empty;
}
}
}
if (!bContinue)
{
InfWizardStatus.Log(CategoryType.EnumerateDevices,
StatusType.Warning | StatusType.Win32Error,
"Failed reading read device description for {0}: {1}",
devIndex,
deviceItem.mDeviceId);
}
deviceItem.DeviceDescription = sDeviceDescription;
deviceItem.BaseFilename = sDeviceDescription;
MatchCollection matches = regHardwareID.Matches(saHardwareIDs[0]);
foreach (Match match in matches)
{
foreach (NamedGroup namedGroup in RegHardwareID.NAMED_GROUPS)
{
RegHardwareID.ENamedGroups groupEnum = (RegHardwareID.ENamedGroups)namedGroup.GroupNumber;
Group group = match.Groups[(int)groupEnum];
if (!group.Success)
{
continue;
}
switch (groupEnum)
{
case RegHardwareID.ENamedGroups.Vid:
deviceItem.VendorID = group.Value;
break;
case RegHardwareID.ENamedGroups.Pid:
deviceItem.ProductID = group.Value;
break;
case RegHardwareID.ENamedGroups.Rev:
//deviceItem.Rev = group.Value;
break;
case RegHardwareID.ENamedGroups.MI:
deviceItem.MI = group.Value;
if (deviceItem.MI != string.Empty)
{
deviceItem.DeviceDescription += String.Format(" (Interface #{0})", deviceItem.mMI);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
if (deviceItem.mVid == 0 && deviceItem.mPid == 0)
{
continue;
}
string sManufacturer;
if (!SetupApi.SetupDiGetDeviceRegistryProperty(out sManufacturer,
pDevInfo,
ref devInfoData,
SetupApi.SPDRP.MFG))
{
sManufacturer = string.Empty;
}
deviceItem.Manufacturer = sManufacturer;
string[] deviceInterfaceGuids = new string[0];
if (SetupApi.SetupDiGetCustomDeviceProperty(pDevInfo,
ref devInfoData,
"DeviceInterfaceGUIDs",
SetupApi.DICUSTOMDEVPROP.NONE,
out propertyType,
propBuffer,
propBuffer.Length,
out requiredSize))
{
deviceInterfaceGuids = GetAsAutoStringArray(propBuffer, requiredSize);
}
if (deviceInterfaceGuids.Length > 0)
{
deviceItem.DeviceInterfaceGuid = deviceInterfaceGuids[0];
}
if (!deviceEnumeratorInfo.DeviceFound(deviceItem, pDevInfo, ref devInfoData))
{
break;
}
InfWizardStatus.Log(CategoryType.EnumerateDevices, StatusType.Info, "device description: {0}", deviceItem.DeviceDescription);
}
SetupApi.SetupDiDestroyDeviceInfoList(pDevInfo);
return(devIndex);
}