private static void IsoXferReport(ReadIsoTransferQueue readIsoTransfers, IsoTransferItem isoTransferItem, int transferLength)
{
int packetPos;
Test.Dcs.Stop(transferLength);
if (readIsoTransfers.LastStartFrame == 0)
{
Test.LogLn("#{0}: StartFrame={1:X8}h TransferLength={2} BPS-average:{3}",
readIsoTransfers.CompletedCount,
isoTransferItem.Iso.StartFrame,
transferLength,
Math.Round(Test.Dcs.Bps, 2));
}
else
{
int lastFrameCount = isoTransferItem.Iso.StartFrame - readIsoTransfers.LastStartFrame;
Test.LogLn("#{0}: StartFrame={1:X8}h TransferLength={2} BPS-average:{3} LastFrameCount={4}",
readIsoTransfers.CompletedCount,
isoTransferItem.Iso.StartFrame,
transferLength,
Math.Round(Test.Dcs.Bps, 2),
lastFrameCount);
}
int numPackets = isoTransferItem.Iso.NumberOfPackets;
for (packetPos = 0; packetPos < numPackets; packetPos++)
{
KISO_PACKET isoPacket;
isoTransferItem.Iso.GetPacket(packetPos, out isoPacket);
if (isoPacket.Length > 1)
{
// This is somewhat specific to data that is returned by the benchmark firmware.
byte firstPacketByte = isoTransferItem.Buffer[isoPacket.Offset];
byte secondPacketByte = isoTransferItem.Buffer[isoPacket.Offset + 1];
Test.LogLn(" [{0:000}] Length={1} B0={2:X2}h B1={3:X2}h", packetPos, isoPacket.Length, firstPacketByte, secondPacketByte);
}
else
{
Test.LogLn(" [{0:000}] Empty Packet", packetPos);
}
}
readIsoTransfers.CompletedCount++;
readIsoTransfers.LastStartFrame = isoTransferItem.Iso.StartFrame;
}
private static void Main(string[] args)
{
bool success;
WINUSB_PIPE_INFORMATION pipeInfo;
UsbK usb;
USB_INTERFACE_DESCRIPTOR interfaceDescriptor;
// Find and configure the device.
if (!Test.ConfigureDevice(out pipeInfo, out usb, out interfaceDescriptor)) return;
#if BMFW
// TODO FOR USER: Remove this block if not using benchmark firmware.
// This configures devices running benchmark firmware for streaming DeviceToHost transfers.
Console.WriteLine("Configuring for benchmark device..");
BM_TEST_TYPE testType = BM_TEST_TYPE.READ;
success = Benchmark.Configure(usb, BM_COMMAND.SET_TEST, interfaceDescriptor.bInterfaceNumber, ref testType);
if (!success)
{
Console.WriteLine("Bench_Configure failed.");
}
#endif
// Create the ISO transfer queue. This class manages the pending and outstanding transfer lists.
ReadIsoTransferQueue readXfers = new ReadIsoTransferQueue(usb, ref pipeInfo, Test.MaxOutstandingTransfers, Test.IsoPacketsPerTransfer);
if (!Test.ShowTestReady()) goto Done;
// Always issue a reset pipe prior to re/starting an ISO stream.
usb.ResetPipe(pipeInfo.PipeId);
// This example will not manage the start frame manually, but this is
// how I might caculate the starting point.
usb.GetCurrentFrameNumber(out readXfers.FrameNumber);
unchecked
{
// Add some start latency
readXfers.FrameNumber += 32;
// Start FrameNumber at an interval of 8.
readXfers.FrameNumber -= ((readXfers.FrameNumber)%8);
}
// This is a counter/timer used only for statistics gathering.
Thread.Sleep(0);
Test.Dcs.Start();
// Transfer processing loop
do
{
IsoTransferItem isoTransferItem;
int transferred;
int errorCode;
// While buffers exist in the completed list, submit them.
while (readXfers.Completed.Count > 0 && readXfers.TotalSubmittedCount < Test.MaxTransfersTotal)
{
errorCode = readXfers.SubmitNextRead();
if (errorCode != 0)
{
Console.WriteLine("IsoReadPipe failed. ErrorCode: {0:X8}h", errorCode);
goto Done;
}
}
if (readXfers.Outstanding.Count == 0)
{
// The MAX_TRANSFERS_TOTAL test limit hit.
Console.WriteLine("Done!");
goto Done;
}
// Wait for the oldest transfer to complete.
errorCode = readXfers.WaitRead(out isoTransferItem, 1000, out transferred);
if (errorCode != 0)
{
Console.WriteLine("OvlPool.Wait failed. ErrorCode: {0:X8}h", errorCode);
goto Done;
}
// Report iso status.
IsoXferReport(readXfers, isoTransferItem, transferred);
if (readXfers.CompletedCount == 1) Test.Dcs.Start();
} while (true);
Done:
readXfers.Destroy();
Test.Free();
usb.Free();
}
private static void IsoXferReport(ReadIsoTransferQueue readIsoTransfers, IsoTransferItem isoTransferItem, int transferLength)
{
int packetPos;
Test.Dcs.Stop(transferLength);
if (readIsoTransfers.LastStartFrame == 0)
{
Test.LogLn("#{0}: StartFrame={1:X8}h TransferLength={2} BPS-average:{3}",
readIsoTransfers.CompletedCount,
isoTransferItem.Iso.StartFrame,
transferLength,
Math.Round(Test.Dcs.Bps, 2));
}
else
{
int lastFrameCount = isoTransferItem.Iso.StartFrame - readIsoTransfers.LastStartFrame;
Test.LogLn("#{0}: StartFrame={1:X8}h TransferLength={2} BPS-average:{3} LastFrameCount={4}",
readIsoTransfers.CompletedCount,
isoTransferItem.Iso.StartFrame,
transferLength,
Math.Round(Test.Dcs.Bps, 2),
lastFrameCount);
}
int numPackets = isoTransferItem.Iso.NumberOfPackets;
for (packetPos = 0; packetPos < numPackets; packetPos++)
{
KISO_PACKET isoPacket;
isoTransferItem.Iso.GetPacket(packetPos, out isoPacket);
if (isoPacket.Length > 1)
{
// This is somewhat specific to data that is returned by the benchmark firmware.
byte firstPacketByte = isoTransferItem.Buffer[isoPacket.Offset];
byte secondPacketByte = isoTransferItem.Buffer[isoPacket.Offset + 1];
Test.LogLn(" [{0:000}] Length={1} B0={2:X2}h B1={3:X2}h", packetPos, isoPacket.Length, firstPacketByte, secondPacketByte);
}
else
{
Test.LogLn(" [{0:000}] Empty Packet", packetPos);
}
}
readIsoTransfers.CompletedCount++;
readIsoTransfers.LastStartFrame = isoTransferItem.Iso.StartFrame;
}
private static void Main(string[] args)
{
bool success;
WINUSB_PIPE_INFORMATION pipeInfo;
UsbK usb;
USB_INTERFACE_DESCRIPTOR interfaceDescriptor;
// Find and configure the device.
if (!Test.ConfigureDevice(out pipeInfo, out usb, out interfaceDescriptor))
{
return;
}
#if BMFW
// TODO FOR USER: Remove this block if not using benchmark firmware.
// This configures devices running benchmark firmware for streaming DeviceToHost transfers.
Console.WriteLine("Configuring for benchmark device..");
BM_TEST_TYPE testType = BM_TEST_TYPE.READ;
success = Benchmark.Configure(usb, BM_COMMAND.SET_TEST, interfaceDescriptor.bInterfaceNumber, ref testType);
if (!success)
{
Console.WriteLine("Bench_Configure failed.");
}
#endif
// Create the ISO transfer queue. This class manages the pending and outstanding transfer lists.
ReadIsoTransferQueue readXfers = new ReadIsoTransferQueue(usb, ref pipeInfo, Test.MaxOutstandingTransfers, Test.IsoPacketsPerTransfer);
if (!Test.ShowTestReady())
{
goto Done;
}
// Always issue a reset pipe prior to re/starting an ISO stream.
usb.ResetPipe(pipeInfo.PipeId);
// This example will not manage the start frame manually, but this is
// how I might caculate the starting point.
usb.GetCurrentFrameNumber(out readXfers.FrameNumber);
unchecked
{
// Add some start latency
readXfers.FrameNumber += 32;
// Start FrameNumber at an interval of 8.
readXfers.FrameNumber -= ((readXfers.FrameNumber) % 8);
}
// This is a counter/timer used only for statistics gathering.
Thread.Sleep(0);
Test.Dcs.Start();
// Transfer processing loop
do
{
IsoTransferItem isoTransferItem;
int transferred;
int errorCode;
// While buffers exist in the completed list, submit them.
while (readXfers.Completed.Count > 0 && readXfers.TotalSubmittedCount < Test.MaxTransfersTotal)
{
errorCode = readXfers.SubmitNextRead();
if (errorCode != 0)
{
Console.WriteLine("IsoReadPipe failed. ErrorCode: {0:X8}h", errorCode);
goto Done;
}
}
if (readXfers.Outstanding.Count == 0)
{
// The MAX_TRANSFERS_TOTAL test limit hit.
Console.WriteLine("Done!");
goto Done;
}
// Wait for the oldest transfer to complete.
errorCode = readXfers.WaitRead(out isoTransferItem, 1000, out transferred);
if (errorCode != 0)
{
Console.WriteLine("OvlPool.Wait failed. ErrorCode: {0:X8}h", errorCode);
goto Done;
}
// Report iso status.
IsoXferReport(readXfers, isoTransferItem, transferred);
if (readXfers.CompletedCount == 1)
{
Test.Dcs.Start();
}
} while (true);
Done:
readXfers.Destroy();
Test.Free();
usb.Free();
}
