public UsbStream(UsbK usb,
byte pipeId,
int maxTransferSize,
int maxPendingTransfers,
int maxPendingIo,
bool useTimeout,
UInt16 timeout)
{
mUsb = usb;
mPipeId = pipeId;
if (UseCallbacks)
{
mCallbacks.Complete = StmComplete;
if (((mPipeId & AllKConstants.USB_ENDPOINT_DIRECTION_MASK) > 0))
{
mCallbacks.Submit = StmSubmitRead;
}
else
{
mCallbacks.Submit = StmSubmitWrite;
}
}
KSTM_FLAG flags = useTimeout ? KSTM_FLAG.USE_TIMEOUT | (KSTM_FLAG) timeout : KSTM_FLAG.NONE;
mStm = new StmK(mUsb.Handle,
pipeId,
maxTransferSize,
maxPendingTransfers,
maxPendingIo,
ref mCallbacks,
flags);
}
//! Custom vendor requests that must be implemented in the benchmark firmware.
#region Public Members
public static bool Configure(UsbK usb,
BM_COMMAND command,
byte interfaceNumber,
ref BM_TEST_TYPE testType)
{
int transferred;
WINUSB_SETUP_PACKET pkt;
byte[] data = new byte[1];
pkt.RequestType = (1 << 7) | (2 << 5);
pkt.Request = (byte) command;
pkt.Value = (ushort) testType;
pkt.Index = interfaceNumber;
pkt.Length = 1;
bool success = usb.ControlTransfer(pkt,
Marshal.UnsafeAddrOfPinnedArrayElement(data,
0),
1,
out transferred,
IntPtr.Zero);
testType = (BM_TEST_TYPE) data[0];
return success;
}
public bool InitializeDevice()
{
if (deviceList != null)
deviceList.Free();
deviceList = null;
if (usb != null)
usb.Free();
usb = null;
feature_value_dict.Clear();
feature_value_lookup_dict.Clear();
foreach (Control ctrl in this.Controls)
{
if (ctrl is ComboBox)
{
ComboBox box = (ComboBox)ctrl;
box.Items.Clear();
}
}
deviceList = new LstK(KLST_FLAG.NONE);
KLST_DEVINFO_HANDLE deviceInfo;
DeviceInfo.Text = "";
bool success = false;
deviceList.MoveReset();
while (deviceList.MoveNext(out deviceInfo))
{
if (
(deviceInfo.Common.Vid == vendorid1 || deviceInfo.Common.Vid == vendorid2) &&
(deviceInfo.Common.Pid == productid1 || deviceInfo.Common.Pid == productid2 || deviceInfo.Common.Pid == productid3 || deviceInfo.Common.Pid == productid4) &&
deviceInfo.DeviceInterfaceGUID.ToUpper() == "{D49AB938-53BA-498A-A848-8E2780A4A75F}"
)
{
if (deviceInfo.Connected)
{
success = true;
break;
}
}
}
if (!success)
{
DeviceInfo.Text += String.Format("Audio-Widget device not found!\r\n");
if (deviceList != null)
deviceList.Free();
deviceList = null;
return false;
}
usb = new UsbK(deviceInfo);
DeviceInfo.Text += String.Format("Opening usb device OK\r\n");
usb.GetDescriptor((byte)USB_DESCRIPTOR_TYPE.DEVICE, 0, 0,
globalBuffer, globalBufferLength, out LengthTransferred);
USB_DEVICE_DESCRIPTOR deviceDescriptor = ByteToDeviceDescriptor(globalBuffer);
usb.GetDescriptor((byte)USB_DESCRIPTOR_TYPE.CONFIGURATION, 0, 0,
globalBuffer, globalBufferLength, out LengthTransferred);
USB_CONFIGURATION_DESCRIPTOR configurationDescriptor = ByteToConfigDescriptor(globalBuffer);
string product = GetStringDescriptor(deviceDescriptor.iProduct);
string manufacturer = GetStringDescriptor(deviceDescriptor.iManufacturer);
string serial = GetStringDescriptor(deviceDescriptor.iSerialNumber);
DeviceInfo.Text += String.Format("Device: VID=0x{0:X04}/PID=0x{1:X04}\r\n", deviceDescriptor.idVendor, deviceDescriptor.idProduct);
DeviceInfo.Text += String.Format("Product: {0}\r\n", product);
DeviceInfo.Text += String.Format("Manufacturer: {0}\r\n", manufacturer);
DeviceInfo.Text += String.Format("Serial number: {0}\r\n", serial);
success = SendUsbControl(interfaceNumber, (byte)BMREQUEST_DIR.DEVICE_TO_HOST, (byte)BMREQUEST_TYPE.VENDOR,
(byte)BMREQUEST_RECIPIENT.DEVICE, 0x71, 4, 1,
globalBuffer, globalBufferLength, out LengthTransferred);
ushort max_feature_value_index = globalBuffer[0];
ushort feature_index = 0;
ComboBox control = null;
for (ushort i = 0; i < max_feature_value_index; i++)
{
success = SendUsbControl(interfaceNumber, (byte)BMREQUEST_DIR.DEVICE_TO_HOST, (byte)BMREQUEST_TYPE.VENDOR,
(byte)BMREQUEST_RECIPIENT.DEVICE, 0x71, 8, i,
globalBuffer, globalBufferLength, out LengthTransferred);
if (globalBuffer[0] == 63)
break;
string output_str = "";
for (int s = (int)LengthTransferred - 1; s >= 0; s--)
output_str += (char)globalBuffer[s];
if (output_str == "end")
{
feature_index++;
control = null;
}
else
{
if (control == null)
control = FindFeatureControl(feature_index);
if (control != null)
{
control.Items.Add(output_str);
feature_value_dict[(int)i] = output_str;
feature_value_lookup_dict[feature_index.ToString() + output_str] = (int)i;
}
}
if (i > 100)
break;
}
foreach (Control ctrl in this.Controls)
{
if (ctrl is ComboBox)
{
int index = Convert.ToInt32(ctrl.Tag);
ComboBox box = (ComboBox)ctrl;
success = SendUsbControl(interfaceNumber, (byte)BMREQUEST_DIR.DEVICE_TO_HOST, (byte)BMREQUEST_TYPE.VENDOR,
(byte)BMREQUEST_RECIPIENT.DEVICE, 0x71, 4, (byte)(2 + index),
globalBuffer, globalBufferLength, out LengthTransferred);
int feature_value_index = (int)globalBuffer[0];
if (feature_value_dict.ContainsKey(feature_value_index))
{
string text = feature_value_dict[feature_value_index].ToString();
box.SelectedIndex = box.Items.IndexOf(text);
}
}
}
return true;
}
public ReadIsoTransferQueue(UsbK usb, ref WINUSB_PIPE_INFORMATION pipeInfo, int maxPendingTransfers, int numberOfPackets)
{
PipeInfo = pipeInfo;
Usb = usb;
OvlPool = new OvlK(usb.Handle, maxPendingTransfers, KOVL_POOL_FLAG.NONE);
DataBufferSize = (pipeInfo.MaximumPacketSize*numberOfPackets);
for (int pos = 0; pos < maxPendingTransfers; pos++)
{
IsoTransferItem isoTransferItem = new IsoTransferItem();
isoTransferItem.Buffer = new byte[pipeInfo.MaximumPacketSize*numberOfPackets];
isoTransferItem.BufferGC = GCHandle.Alloc(isoTransferItem.Buffer, GCHandleType.Pinned);
isoTransferItem.Iso = new IsoK(numberOfPackets, 0);
isoTransferItem.Iso.SetPackets(pipeInfo.MaximumPacketSize);
OvlPool.Acquire(out isoTransferItem.Ovl);
Master.AddLast(isoTransferItem);
Completed.AddLast(isoTransferItem);
}
}
protected override void Dispose(bool disposing)
{
if (!mbDisposed)
{
mStm.Dispose();
mStm = null;
mUsb = null;
mbDisposed = true;
}
base.Dispose(disposing);
}