protected override void FillDescriptor(BitStream buffer)
{
buffer
.Append((short)RecursiveDescriptorLength)
.Append((byte)Interfaces.Count)
.Append(Identifier)
.Append(USBString.FromString(Description).Index)
.Append((byte)(((SelfPowered ? 1 : 0) << 6) | ((RemoteWakeup ? 1 : 0) << 5)))
.Append((byte)((MaximalPower + 1) / 2));
}
protected override void FillDescriptor(BitStream buffer)
{
buffer
.Append(Identifier)
.Append(0) // TODO: implement alternate setting
.Append((byte)Endpoints.Count)
.Append((byte)Class)
.Append(SubClass)
.Append(Protocol)
.Append(USBString.FromString(Description).Index);
}
protected override void FillDescriptor(BitStream buffer)
{
buffer
.Append((short)CompatibleProtocolVersion)
.Append((byte)Class)
.Append(SubClass)
.Append(Protocol)
.Append((byte)MaximalPacketSize)
.Append(VendorId)
.Append(ProductId)
.Append(DeviceReleaseNumber)
.Append(USBString.FromString(ManufacturerName).Index)
.Append(USBString.FromString(ProductName).Index)
.Append(USBString.FromString(SerialNumber).Index)
.Append((byte)Configurations.Count);
}
public static USBString FromString(string s)
{
if (string.IsNullOrWhiteSpace(s))
{
return(Empty);
}
var usbString = strings.FirstOrDefault(x => x.Value == s);
if (usbString == null)
{
usbString = new USBString(s, checked ((byte)(strings.Count + 1)));
strings.Add(usbString);
}
return(usbString);
}
private BitStream HandleGetDescriptor(ushort value)
{
var descriptorType = (DescriptorType)(value >> 8);
var descriptorIndex = (byte)value;
switch (descriptorType)
{
case DescriptorType.Device:
return(GetDescriptor(false));
case DescriptorType.Configuration:
if (Configurations.Count < descriptorIndex)
{
device.Log(LogLevel.Warning, "Tried to access a non-existing configuration #{0}", descriptorIndex);
return(BitStream.Empty);
}
return(Configurations.ElementAt(descriptorIndex).GetDescriptor(true));
case DescriptorType.String:
{
if (descriptorIndex == 0)
{
// special String Index returning a list of supported languages
return(USBString.GetSupportedLanguagesDescriptor());
}
else
{
var usbString = USBString.FromId(descriptorIndex);
if (usbString == null)
{
device.Log(LogLevel.Warning, "Tried to get non-existing string #{0}", descriptorIndex);
return(BitStream.Empty);
}
return(usbString.GetDescriptor(false));
}
}
default:
device.Log(LogLevel.Warning, "Unsupported descriptor type: 0x{0:X}", descriptorType);
return(BitStream.Empty);
}
}
static USBString()
{
Empty = new USBString(string.Empty, 0);
strings = new List <USBString>();
}
