Re: LibUsbK Isochronous Write C# example

Travis <[email protected]>
Newsgroups gmane.comp.lib.libusb.devel.windows
Message-ID <[email protected]> 
Greetings,

997 is the code you are looking for!  It means that the operation is in 
progress.  All of the read/write functions will return this when used 
asynchronously. Look at the Read.Iso example again.

000000739.91009617[ERR](libusbK.sys)[XferIsoEx] Last packet offset 
references data that is out-of-range. IsoPacket[16].Offset=2048
The above line appears because the data buffer is not big enough to hold 
what is defined by the ISO packets.

Since this is a high speed device, you will need to use intervals of 8 
ISO packets.  Start with something simple.  64 ISO packets each with 128 
bytes.
--
// 64 packets per transfer
Iso = new IsoK(64, 0);

// each packet holds 'MaximumPacketSize' amount of data bytes
Iso.SetPackets(pipeInfo.MaximumPacketSize);

// Create a pool of 4 overlapped contexts (we only use 1 here)
OvlPool = new OvlK(usb.Handle, 4, KOVL_POOL_FLAG.NONE);

// Get one of our overlapped contexts
KOVL_HANDLE ovlkHandle;
OvlPool.Acquire(out ovlkHandle);

// Create a data buffer big enough to hold data referenced by all iso 
packets
byte[] dataBuffer = new byte[pipeInfo.MaximumPacketSize * 64];

// Always issue a reset pipe prior to re/starting an ISO stream.
usb.ResetPipe(pipeInfo.PipeId);

// Submit the transfer
usb.IsoWritePipe(pipeInfo.PipeId, dataBuffer, dataBuffer.Length, 
ovlkHandle, Iso.Handle/*isoCtx*/);
int errorCode = Marshal.GetLastWin32Error();
if (errorCode != ErroCodes.ErrorIoPending)
{
     // TODO: something went wrong.  Handle error condition
}
else
{
     if (!OvlPool.WaitAndRelease(ovlkHandle, 1000, out transferred))
     {
         // TODO: something went wrong.  Handle error condition
     }
     else
     {
         // Success!
     }
}
--

Regards,
Travis

On 8/26/2014 3:54 AM, Stephen B wrote:
> Hello,
>
> Right, I was using the WinUSB driver. Replaced it and error 50 is 
> solved but now I get error 997 (Overlapped I/O operation is in 
> progress) after the write operation.
> This is the DebugView log output:
> 000000010.00000000[DriverEntry](libusbK.sys) v3.0.7.0 built-on: Apr 27 
> 2014 10:22:29
> 000000020.00078391(libusbK.sys)[Registry_ReadAllDeviceKeys] Found 1 
> DeviceInterfaceGUIDs strings.
> 000000030.00079931(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> DeviceIdleEnabled=1
> 000000040.00081051(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> DeviceIdleIgnoreWakeEnable=0
> 000000050.00082031(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> UserSetDeviceIdleEnabled=0
> 000000060.00082917(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> DefaultIdleState=0
> 000000070.00083897(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> DefaultIdleTimeout=5000
> 000000080.00084877(libusbK.sys)[Registry_ReadAllDeviceKeys] 
> SystemWakeEnabled=0
> 000000090.00090663(libusbK.sys)[Device_OnAdd] [dev-id=#1] 
> SymbolicLink=\DosDevices\libusb0-0255
> 000000100.00110821(libusbK.sys)[Device_OnAdd] [dev-id=#1] assigned 
> DeviceInterfaceGUID {DE984606-810A-8A58-82DD-3568CB9B776F}.
> 000000110.00275162(libusbK.sys)[Device_Create] DeviceSpeed=High 
> RemoteWakeCapable=False SelfPowered=False
> 000000120.00276701(libusbK.sys)[Device_Configure] Using single 
> interface configuration..
> 000000130.00309784(libusbK.sys)[Pipe_InitContext] pipeID=00h Creating 
> pipe queue.
> 000000140.00311371(libusbK.sys)[Pipe_InitContext] pipeID=00h queue 
> starting..
> 000000150.00314217(libusbK.sys)[Device_OnD0Entry] Active. D4 -> D0
> 000000166.82585812[4192]
> 000000176.82591820[4192] AllK required contiguous memory = 534200 (64bit)
> 000000186.82594538[4192]   8 HotK Handles: HandleSize 2112 PoolSize 
> 16912 (bytes)
> 000000196.82597113[4192]   64 LstK Handles: HandleSize 64 PoolSize 
> 4112 (bytes)
> 000000206.82599640[4192]   1024 LstInfoK Handles: HandleSize 64 
> PoolSize 65552 (bytes)
> 000000216.82602358[4192]   64 UsbK Handles: HandleSize 96 PoolSize 
> 6160 (bytes)
> 000000226.82604837[4192]   32 DevK Handles: HandleSize 112 PoolSize 
> 3600 (bytes)
> 000000236.82607317[4192]   4096 OvlK Handles: HandleSize 104 PoolSize 
> 426000 (bytes)
> 000000246.82609797[4192]   64 OvlPoolK Handles: HandleSize 96 PoolSize 
> 6160 (bytes)
> 000000256.82612276[4192]   32 StmK Handles: HandleSize 176 PoolSize 
> 5648 (bytes)
> 000000266.82614470[4192]
> 000000276.82617807[4192] Dynamically allocated as needed:
> 000000286.82620192[4192]  KLST_DEVINFO = 2596 bytes each
> 000000296.82862473[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB\4&22692171&0..
> 000000306.82866192[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB\4&2C0CBE2A&0..
> 000000316.82870102[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB\4&2EA0F109&0..
> 000000326.82873869[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB\4&8756F75&0..
> 000000336.82877636[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB\4&BB39B4E&0..
> 000000346.82881403[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB20\4&36D5FDB7&0..
> 000000356.82885361[4192] (libusbK.dll)[l_EnumKey_Guids] Skipping 
> USB\ROOT_HUB20\4&7B02F80&0..
> 000000366.84401226[4192] LstK Init: handle 0x000000001B72EE58
> 000000376.88146448(libusbK.sys)[Device_OnFileCreate] begins
> 000000386.88147306(libusbK.sys)[Device_OnFileCreate] Process ID=4192
> 000000396.88148260(libusbK.sys)[Device_OnFileCreate] ends
> 000000406.88162613(libusbK.sys)[XferCtrl] bmDir=DeviceToHost(1) 
> bmType=Standard(0) bmRecipient=Device(0) bmReserved=000 bRequest=6 
> wIndex=0 wValue=512 wLength=0
> 000000416.88164711(libusbK.sys)[XferCtrl] bmDir=DeviceToHost(1) 
> bmType=Standard(0) bmRecipient=Device(0) bmReserved=000 bRequest=6 
> wIndex=0 wValue=512 wLength=0
> 000000426.88214540[4192] (libusbK.dll)[k_Init_Version] libusbK.sys 
> v3.0.7.0
> 000000436.88220263[4192] UsbK Init: handle 0x000000001B73FE78
> 000000446.88879156(libusbK.sys)[Interface_SetAltSetting] selected alt 
> setting index 1 on interface number 0
> 000000456.88880396(libusbK.sys)[Interface_InitContext] configured Read 
> pipe: PipeID=81h MaximumPacketSize=64 MaximumTransferSize=262144 
> PipeType=Interrupt
> 000000466.88881016(libusbK.sys)[Interface_InitContext] configured 
> Write pipe: PipeID=02h MaximumPacketSize=64 MaximumTransferSize=262144 
> PipeType=Interrupt
> 000000476.88881588(libusbK.sys)[Interface_InitContext] configured Read 
> pipe: PipeID=83h MaximumPacketSize=512 MaximumTransferSize=2097152 
> PipeType=Bulk
> 000000486.88882160(libusbK.sys)[Interface_InitContext] configured 
> Write pipe: PipeID=04h MaximumPacketSize=512 
> MaximumTransferSize=2097152 PipeType=Bulk
> 000000496.88882971(libusbK.sys)[Interface_InitContext] configured Read 
> pipe: PipeID=85h MaximumPacketSize=128 MaximumTransferSize=131072 
> PipeType=Isochronous
> 000000506.88883543(libusbK.sys)[Interface_InitContext] configured 
> Write pipe: PipeID=06h MaximumPacketSize=128 
> MaximumTransferSize=131072 PipeType=Isochronous
> 000000516.88883972(libusbK.sys)[Pipe_InitContext] pipeID=81h Creating 
> pipe queue.
> 000000526.88884449(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> sequential queue..
> 000000536.88885784(libusbK.sys)[Pipe_InitContext] pipeID=81h queue 
> starting..
> 000000546.88886356(libusbK.sys)[Pipe_InitContext] pipeID=02h Creating 
> pipe queue.
> 000000556.88886690(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> sequential queue..
> 000000566.88887310(libusbK.sys)[Pipe_InitContext] pipeID=02h queue 
> starting..
> 000000576.88887644(libusbK.sys)[Pipe_InitContext] pipeID=83h Creating 
> pipe queue.
> 000000586.88888025(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> sequential queue..
> 000000596.88888645(libusbK.sys)[Pipe_InitContext] pipeID=83h queue 
> starting..
> 000000606.88889027(libusbK.sys)[Pipe_InitContext] pipeID=04h Creating 
> pipe queue.
> 000000616.88889408(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> sequential queue..
> 000000626.88889933(libusbK.sys)[Pipe_InitContext] pipeID=04h queue 
> starting..
> 000000636.88890314(libusbK.sys)[Pipe_InitContext] pipeID=85h Creating 
> pipe queue.
> 000000646.88890648(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> parallel queue..
> 000000656.88891411(libusbK.sys)[Pipe_InitContext] pipeID=85h queue 
> starting..
> 000000666.88891745(libusbK.sys)[Pipe_InitContext] pipeID=06h Creating 
> pipe queue.
> 000000676.88892078(libusbK.sys)[Pipe_InitQueueConfig] Configuring 
> parallel queue..
> 000000686.88892603(libusbK.sys)[Pipe_InitContext] pipeID=06h queue 
> starting..
> 000000696.89122868[4192] LstK Dispose: Freed Handle:000000001B72EE58h 
> Explicit:True
> 000000709.90101719[4192] IsoK Init: handle 0x000000001B6BFD00
> 000000719.90591049[4192] OvlK Init: handle 0x000000001B7AA4A8
> 000000729.90827751(libusbK.sys)[Pipe_Reset] pipeID=06h
> 000000739.91009617[ERR](libusbK.sys)[XferIsoEx] Last packet offset 
> references data that is out-of-range. IsoPacket[16].Offset=2048
> 000000749.91096878[4192] [ERR](libusbK.dll)[OvlK_Wait] Unknown 
> OverlappedK failure. errorCode=000006F8h
> 000000759.91620255[4192] UsbK Dispose: Freed Handle:000000001B73FE78h 
> Explicit:True
> 000000769.92062855[4192] IsoK Dispose: Freed Handle:000000001B6BFD00h 
> Explicit:True
> 000000779.92470455(libusbK.sys)[Interface_ReleaseAll] releasing all 
> interfaces bound to file object 0x51c5350
> 000000789.92471409(libusbK.sys)[Device_OnFileClose] 
> OpenedFileHandleCount=0
> 000000799.92485809[4192] OvlK Dispose: Freed Handle:000000001B7AA4A8h 
> Explicit:True
>
> I see something is out of range, so I tried reducing the number of 
> packets per transfer, but no luck. I think I need to solve the 997 
> error first. I wonder what's causing it?
>
> Kind regards,
> Stephen
>
>
> 2014-08-25 23:34 GMT+02:00 Travis <[email protected] 
> <mailto:[email protected]>>:
>
>     Greetings,
>
>     Ensure that you have installed the "libusbK.sys" driver with your
>     device
>     and not the WinUSB driver.  However, if this was the problem then I
>     would not expect the read iso example to work either.
>
>     If that doesn't help, you can also install the debug version of the
>     library and driver and use DebugView to see the messages. For
>     instruction on this there are several posts in the archives.
>
>     Regards,
>     Travis
>
>     On 8/25/2014 2:55 PM, Stephen B wrote:
>     > Hello,
>     >
>     > I am trying to write isochronous data to my USB device. I tried
>     > the xfer-iso c example but had no luck to compile it, and
>     preferably I
>     > want to use C# anyway. So I looked at the C# examples and found
>     > Read.Isochronous. This compiles and works, but unfortunately
>     there is
>     > no Write example.
>     >
>     > I tried to create it myself using the c example and
>     > the Read.Isochronous example, but with no luck yet. When
>     writing, the
>     > following line always returns error 50 (the request is not
>     supported):
>     > usb.IsoWritePipe(pipeInfo.PipeId, dataBuffer, dataBuffer.Length,
>     > ovlkHandle, Iso.Handle);
>     >
>     > I also can't find any iso out packets with USBPcap.
>     >
>     > Does anyone have any idea what's causing this? I have attached
>     my code
>     > along with a descriptor report of my device. There are 5 unnecessary
>     > endpoints from my base firmware code, but I decided to keep them in
>     > for now to prevent causing more bugs, as my device has worked and
>     > transferred iso data with libusb in the past.
>     >
>     > Thanks in advance for any help!
>     >
>     > Kind regards,
>     > Stephen
>     >
>     >
>     >
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