internal UsbConfigDescriptor(LibUsbConfigDescriptor descriptor)
{
Attributes = descriptor.bmAttributes;
ConfigID = descriptor.bConfigurationValue;
DescriptorType = descriptor.bDescriptorType;
InterfaceCount = descriptor.bNumInterfaces;
Length = descriptor.bLength;
MaxPower = descriptor.MaxPower;
StringIndex = descriptor.iConfiguration;
TotalLength = (short) descriptor.wTotalLength;
}
internal UsbConfigInfo(LibUsbDevice usbDevice, LibUsbConfigDescriptor configDescriptor)
{
mUsbDevice = usbDevice;
mUsbConfigDescriptor = new UsbConfigDescriptor(configDescriptor);
List<LibUsbInterface> monoUSBInterfaces = configDescriptor.InterfaceList;
foreach (LibUsbInterface usbInterface in monoUSBInterfaces)
{
List<LibUsbAltInterfaceDescriptor> monoUSBAltInterfaces = usbInterface.AltInterfaceList;
foreach (LibUsbAltInterfaceDescriptor monoUSBAltInterface in monoUSBAltInterfaces)
{
UsbInterfaceInfo usbInterfaceInfo = new UsbInterfaceInfo(mUsbDevice, monoUSBAltInterface);
mInterfaceList.Add(usbInterfaceInfo);
}
}
}
private static ErrorCode GetConfigs(LibUsbDevice usbDevice, out List<UsbConfigInfo> configInfoListRtn)
{
configInfoListRtn = new List<UsbConfigInfo>();
UsbError usbError = null;
List<LibUsbConfigDescriptor> configList = new List<LibUsbConfigDescriptor>();
int iConfigs = usbDevice.Info.Descriptor.ConfigurationCount;
for (int iConfig = 0; iConfig < iConfigs; iConfig++)
{
LibUsbConfigHandle nextConfigHandle;
int ret = LibUsbApi.GetConfigDescriptor(usbDevice.mMonoUSBProfile.ProfileHandle, (byte) iConfig, out nextConfigHandle);
Debug.Print("GetConfigDescriptor:{0}", ret);
if (ret != 0 || nextConfigHandle.IsInvalid)
{
usbError = UsbError.Error(ErrorCode.MonoApiError,
ret,
String.Format("GetConfigDescriptor Failed at index:{0}", iConfig),
usbDevice);
return usbError.ErrorCode;
}
try
{
LibUsbConfigDescriptor nextConfig = new LibUsbConfigDescriptor();
Marshal.PtrToStructure(nextConfigHandle.DangerousGetHandle(), nextConfig);
UsbConfigInfo nextConfigInfo = new UsbConfigInfo(usbDevice, nextConfig);
configInfoListRtn.Add(nextConfigInfo);
}
catch (Exception ex)
{
UsbError.Error(ErrorCode.InvalidConfig, Marshal.GetLastWin32Error(), ex.ToString(), usbDevice);
}
finally
{
if (!nextConfigHandle.IsInvalid)
nextConfigHandle.Close();
}
}
return ErrorCode.Success;
}