NTSTATUS
SelectInterfaces(
_In_ WDFDEVICE Device
)
/*++
Routine Description:
This helper routine selects the configuration, interface and
creates a context for every pipe (end point) in that interface.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS configParams;
NTSTATUS status = STATUS_SUCCESS;
PDEVICE_CONTEXT pDeviceContext;
WDFUSBPIPE pipe;
WDF_USB_PIPE_INFORMATION pipeInfo;
UCHAR index;
UCHAR numberConfiguredPipes;
WDFUSBINTERFACE usbInterface;
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
WDF_USB_DEVICE_SELECT_CONFIG_PARAMS_INIT_SINGLE_INTERFACE( &configParams);
usbInterface =
WdfUsbTargetDeviceGetInterface(pDeviceContext->UsbDevice, 0);
if (NULL == usbInterface) {
status = STATUS_UNSUCCESSFUL;
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"WdfUsbTargetDeviceGetInterface 0 failed %!STATUS! \n",
status);
return status;
}
configParams.Types.SingleInterface.ConfiguredUsbInterface =
usbInterface;
configParams.Types.SingleInterface.NumberConfiguredPipes =
WdfUsbInterfaceGetNumConfiguredPipes(usbInterface);
pDeviceContext->UsbInterface =
configParams.Types.SingleInterface.ConfiguredUsbInterface;
numberConfiguredPipes = configParams.Types.SingleInterface.NumberConfiguredPipes;
//
// Get pipe handles
//
for(index=0; index < numberConfiguredPipes; index++) {
WDF_USB_PIPE_INFORMATION_INIT(&pipeInfo);
pipe = WdfUsbInterfaceGetConfiguredPipe(
pDeviceContext->UsbInterface,
index, //PipeIndex,
&pipeInfo
);
//
// Tell the framework that it's okay to read less than
// MaximumPacketSize
//
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(pipe);
if(WdfUsbPipeTypeInterrupt == pipeInfo.PipeType) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"Interrupt Pipe is 0x%p\n", pipe);
pDeviceContext->InterruptPipe = pipe;
}
if(WdfUsbPipeTypeBulk == pipeInfo.PipeType &&
WdfUsbTargetPipeIsInEndpoint(pipe)) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"BulkInput Pipe is 0x%p\n", pipe);
pDeviceContext->BulkReadPipe = pipe;
}
if(WdfUsbPipeTypeBulk == pipeInfo.PipeType &&
WdfUsbTargetPipeIsOutEndpoint(pipe)) {
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL,
"BulkOutput Pipe is 0x%p\n", pipe);
pDeviceContext->BulkWritePipe = pipe;
}
}
//
// If we didn't find all the 3 pipes, fail the start.
//
if(!(pDeviceContext->BulkWritePipe
&& pDeviceContext->BulkReadPipe && pDeviceContext->InterruptPipe)) {
status = STATUS_INVALID_DEVICE_STATE;
TraceEvents(TRACE_LEVEL_ERROR, DBG_PNP,
"Device is not configured properly %!STATUS!\n",
status);
return status;
}
return status;
}
NTSTATUS Interface_InitContext(__in PDEVICE_CONTEXT deviceContext,
__in PINTERFACE_CONTEXT interfaceContext)
{
NTSTATUS status = STATUS_SUCCESS;
UCHAR pipeIndex;
if (interfaceContext->Interface == WDF_NO_HANDLE)
{
// interface indexes are assigned only once during configuration.
// memory may be corrupt
// invalid config descriptor?
// WDF decided not to give us an interface handle for some unknown reason
USBERR("WdfUsbTargetDeviceGetInterface returned a null interface handle at index %u\n", interfaceContext->InterfaceIndex);
return STATUS_FILE_CORRUPT_ERROR;
}
// get the configured alt setting index for this inteface
interfaceContext->SettingIndex = WdfUsbInterfaceGetConfiguredSettingIndex(interfaceContext->Interface);
// get the interface descriptor
WdfUsbInterfaceGetDescriptor(
interfaceContext->Interface,
interfaceContext->SettingIndex,
&interfaceContext->InterfaceDescriptor);
// get the number of configured pipes
interfaceContext->PipeCount = WdfUsbInterfaceGetNumConfiguredPipes(interfaceContext->Interface);
// get the pipe handles and information
for(pipeIndex = 0; pipeIndex < interfaceContext->PipeCount; pipeIndex++)
{
WDF_USB_PIPE_INFORMATION pipeInfo;
WDFUSBPIPE pipe;
PPIPE_CONTEXT pipeContext;
// get the pipe handle and information
WDF_USB_PIPE_INFORMATION_INIT(&pipeInfo);
pipe = WdfUsbInterfaceGetConfiguredPipe(interfaceContext->Interface, pipeIndex, &pipeInfo);
if (!pipe)
{
USBERR("WdfUsbInterfaceGetConfiguredPipe returned a null pipe handle at index %u\n", pipeIndex);
// make sure we can't use this pipe
interfaceContext->PipeCount = pipeIndex;
status = STATUS_INSUFFICIENT_RESOURCES;
return status;
}
// get the pipe context by endpoint id from the master pipe list
// this is never null
pipeContext = GetPipeContextByID(deviceContext, pipeInfo.EndpointAddress);
// set the pipe context by index in the interface context
interfaceContext->PipeContextByIndex[pipeIndex] = pipeContext;
// update the pipe information
// this needs to be done BEFORE calling Policy_InitPipe
RtlCopyMemory(&pipeContext->PipeInformation, &pipeInfo, sizeof(WDF_USB_PIPE_INFORMATION));
// set the default pipe polices
// NOTE: This is done only once for any given endpoint ID
Policy_InitPipe(deviceContext, pipeContext);
// always update the pipe handle
pipeContext->Pipe = pipe;
pipeInfo.MaximumTransferSize = Pipe_CalcMaxTransferSize(IsHighSpeedDevice(deviceContext), pipeInfo.PipeType, pipeInfo.MaximumPacketSize, pipeInfo.MaximumTransferSize);
pipeContext->PipeInformation.MaximumTransferSize = pipeInfo.MaximumTransferSize;
USBDBG("configured %s pipe: PipeID=%02Xh MaximumPacketSize=%u MaximumTransferSize=%u PipeType=%s\n",
GetEndpointDirString(pipeInfo.EndpointAddress), pipeInfo.EndpointAddress, pipeInfo.MaximumPacketSize, pipeInfo.MaximumTransferSize, GetPipeTypeString(pipeInfo.PipeType));
}
return status;
}
// 并行处理
VOID CY001Drv::DeviceIoControlParallel(IN WDFQUEUE Queue,
IN WDFREQUEST Request,
IN size_t OutputBufferLength,
IN size_t InputBufferLength,
IN ULONG IoControlCode)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG ulRetLen = 0;
size_t size = 0;
void* pBufferInput = NULL;
void* pBufferOutput = NULL;
KDBG(DPFLTR_INFO_LEVEL, "[DeviceIoControlParallel] CtlCode:0x%0.8X", IoControlCode);
// 取得输入缓冲区，判断其有效性
if(InputBufferLength){
status = WdfRequestRetrieveInputBuffer(Request, InputBufferLength, &pBufferInput, &size);
if(status != STATUS_SUCCESS || pBufferInput == NULL || size < InputBufferLength){
WdfRequestComplete(Request, STATUS_INVALID_PARAMETER);
return;
}
}
// 取得输出缓冲区，判断其有效性
if(OutputBufferLength){
status = WdfRequestRetrieveOutputBuffer(Request, OutputBufferLength, &pBufferOutput, &size);
if(status != STATUS_SUCCESS || pBufferOutput == NULL || size < OutputBufferLength){
WdfRequestComplete(Request, STATUS_INVALID_PARAMETER);
return;
}
}
//
// 下面是主处理过程。
//
switch(IoControlCode)
{
// 取得驱动的版本信息
case IOCTL_GET_DRIVER_VERSION:
{
PDRIVER_VERSION pVersion = (PDRIVER_VERSION)pBufferOutput;
ULONG length;
char tcsBuffer[120];
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_GET_DRIVER_VERSION");
if(OutputBufferLength < sizeof(DRIVER_VERSION)){
status = STATUS_BUFFER_TOO_SMALL;
break;
}
pVersion->DriverType = DR_WDF;
pVersion->FirmwareType = FW_NOT_CY001;
ulRetLen = sizeof(DRIVER_VERSION);// 告示返回长度
// 根据String描述符，判断Firmware代码是否已经被加载。
GetStringDes(2, 0, tcsBuffer, 120, &length);
if(length){
WCHAR* pCyName = L"CY001 V";
size_t len;
int nIndex;
if(length < 8)
break;
RtlStringCchLengthW(pCyName, 7, &len);
for(nIndex = 0; nIndex < len; nIndex++){
if(pCyName[nIndex] != ((WCHAR*)tcsBuffer)[nIndex])
break;
}
if(nIndex == len)
pVersion->FirmwareType = FW_CY001; // 完全相符，说明新版Firmware已经加载到开发板。
}
break;
}
// 收到App发送过来的一个同步Request，我们应该把它保存到同步Queue中，等到有同步事件发生的时候再从Queue中取出并完成。
case IOCTL_USB_SYNC:
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_SYNC");
status = WdfRequestForwardToIoQueue(Request, m_hAppSyncManualQueue);
// 直接返回，不调用WdfRequestComplete函数。
// 请求者将不会为此而等待；请求的完成在将来的某个时刻。
// 这就是所谓的异步处理之要义了。
if(NT_SUCCESS(status))
return;
break;
// 清空同步队列中的所有请求
case IOCTL_USB_SYNC_RELEASE:
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_SYNC");
ClearSyncQueue();
break;
// 应用程序退出，取消所有被阻塞的请求。
case IOCTL_APP_EXIT_CANCEL:
// 取消USB设备的所有IO操作。它将连带取消所有Pipe的IO操作。
//WdfIoTargetStop(WdfUsbTargetDeviceGetIoTarget(m_hUsbDevice), WdfIoTargetCancelSentIo);
break;
// 取得当前的配置号.总是设置为0,因为在WDF框架中,0以外的配置是不被支持的。
case IOCTL_USB_GET_CURRENT_CONFIG:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_CURRENT_CONFIG");
if(InputBufferLength < 4){
status = STATUS_INVALID_PARAMETER;
break;
}
*(PULONG)pBufferInput = 0;// 直接赋值0，即总是选择0号配置。也可以发送URB到总线获取当前配置选项。
ulRetLen = sizeof(ULONG);
break;
}
case IOCTL_USB_ABORTPIPE:
{
ULONG pipenum = *((PULONG) pBufferOutput);
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_ABORTPIPE");
status = AbortPipe(pipenum);
}
break;
// 获取Pipe信息
case IOCTL_USB_GET_PIPE_INFO:
{
// 遍历获取Pipe信息，复制到输出缓冲中。
BYTE byCurSettingIndex = 0;
BYTE byPipeNum = 0;
BYTE index;
USB_INTERFACE_DESCRIPTOR interfaceDescriptor;
WDF_USB_PIPE_INFORMATION pipeInfor;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_PIPE_INFO");
// 取得Pipe数。根据Pipe数计算缓冲区长度
byCurSettingIndex = WdfUsbInterfaceGetConfiguredSettingIndex(m_hUsbInterface);
WdfUsbInterfaceGetDescriptor(m_hUsbInterface, byCurSettingIndex, &interfaceDescriptor);
byPipeNum = WdfUsbInterfaceGetNumConfiguredPipes(m_hUsbInterface);
if(OutputBufferLength < byPipeNum * sizeof(pipeInfor)){
status = STATUS_BUFFER_TOO_SMALL; // 缓冲区不足
}else{
ulRetLen = byPipeNum*sizeof(pipeInfor);
// 遍历获取全部管道信息，拷贝到输出缓冲中。
// 应用程序得到输出缓冲的时候，也应该使用WDF_USB_PIPE_INFORMATION结构体解析缓冲区。
for(index = 0; index < byPipeNum; index++)
{
WDF_USB_PIPE_INFORMATION_INIT(&pipeInfor);
WdfUsbInterfaceGetEndpointInformation(m_hUsbInterface, byCurSettingIndex, index, &pipeInfor);
RtlCopyMemory((PUCHAR)pBufferOutput + index*pipeInfor.Size, &pipeInfor, sizeof(pipeInfor));
}
}
}
break;
// 获取设备描述符
case IOCTL_USB_GET_DEVICE_DESCRIPTOR:
{
USB_DEVICE_DESCRIPTOR UsbDeviceDescriptor;
WdfUsbTargetDeviceGetDeviceDescriptor(m_hUsbDevice, &UsbDeviceDescriptor);
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_DEVICE_DESCRIPTOR");
// 判断输入缓冲区的长度是否足够长
if(OutputBufferLength < UsbDeviceDescriptor.bLength)
status = STATUS_BUFFER_TOO_SMALL;
else{
RtlCopyMemory(pBufferOutput, &UsbDeviceDescriptor, UsbDeviceDescriptor.bLength);
ulRetLen = UsbDeviceDescriptor.bLength;
}
break;
}
// 获取字符串描述符
case IOCTL_USB_GET_STRING_DESCRIPTOR:
{
PGET_STRING_DESCRIPTOR Input = (PGET_STRING_DESCRIPTOR)pBufferInput;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_STRING_DESCRIPTOR");
status = GetStringDes(Input->Index, Input->LanguageId, pBufferOutput, OutputBufferLength, &ulRetLen);
// 由字符长度调整为字节长度
if(NT_SUCCESS(status) && ulRetLen > 0)
ulRetLen *= (sizeof(WCHAR)/sizeof(char));
break;
}
// 获取配置描述信息。
case IOCTL_USB_GET_CONFIGURATION_DESCRIPTOR:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_CONFIGURATION_DESCRIPTOR");
// 首先获得配置描述符的长度。
status = WdfUsbTargetDeviceRetrieveConfigDescriptor(m_hUsbDevice, NULL, (USHORT*)&size);
if(!NT_SUCCESS(status) && status != STATUS_BUFFER_TOO_SMALL)
break;
// 输出缓冲区不够长
if(OutputBufferLength < size)
break;
// 正式取得配置描述符。
status = WdfUsbTargetDeviceRetrieveConfigDescriptor(m_hUsbDevice, pBufferOutput, (USHORT*)&size);
if(!NT_SUCCESS(status))
break;
ulRetLen = size;
break;
}
// 根据可选值配置接口
case IOCTL_USB_SET_INTERFACE:
{
BYTE byAlterSetting = *(BYTE*)pBufferInput;
BYTE byCurSetting = WdfUsbInterfaceGetConfiguredSettingIndex(m_hUsbInterface); // 当前Alternate值
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_SETINTERFACE");
if(InputBufferLength < 1 || OutputBufferLength < 1)
{
status = STATUS_BUFFER_TOO_SMALL;
break;
}
// 如果传入的可选值与当前的不同，则重新配置接口；
// 否则直接返回。
if(byCurSetting != byAlterSetting)
{
WDF_USB_INTERFACE_SELECT_SETTING_PARAMS par;
WDF_USB_INTERFACE_SELECT_SETTING_PARAMS_INIT_SETTING(&par, byAlterSetting);
status = WdfUsbInterfaceSelectSetting(m_hUsbInterface, NULL, &par);
}
*(BYTE*)pBufferOutput = byCurSetting;
break;
}
// 固件Rest。自定义命令，与Port Rest是两码事。
case IOCTL_USB_FIRMWRAE_RESET:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_FIRMWRAE_RESET");
if(InputBufferLength < 1 || pBufferInput == NULL)
status = STATUS_INVALID_PARAMETER;
else
status = FirmwareReset(*(char*)pBufferInput);
break;
}
// 重置USB总线端口
case IOCTL_USB_PORT_RESET:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_PORT_RESET");
WdfUsbTargetDeviceResetPortSynchronously(m_hUsbDevice);
break;
}
// 管道重置
case IOCTL_USB_PIPE_RESET:
{
UCHAR uchPipe;
WDFUSBPIPE pipe = NULL;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_PIPE_RESET");
if(InputBufferLength < 1){
status = STATUS_INVALID_PARAMETER;
break;
}
// 根据ID找到对应的Pipe
uchPipe = *(UCHAR*)pBufferInput;
pipe = WdfUsbInterfaceGetConfiguredPipe(m_hUsbInterface, uchPipe, NULL);
if(pipe == NULL){
status = STATUS_INVALID_PARAMETER;
break;
}
status = WdfUsbTargetPipeResetSynchronously(pipe, NULL, NULL);
break;
}
// 中断管道，放弃管道当前正在进行的操作
case IOCTL_USB_PIPE_ABORT:
{
UCHAR uchPipe;
WDFUSBPIPE pipe = NULL;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_PIPE_ABORT");
if(InputBufferLength < 1){
status = STATUS_INVALID_PARAMETER;
break;
}
// 根据ID找到对应的Pipe
uchPipe = *(UCHAR*)pBufferInput;
pipe = WdfUsbInterfaceGetConfiguredPipe(m_hUsbInterface, uchPipe, NULL);
if(pipe == NULL){
status = STATUS_INVALID_PARAMETER;
break;
}
status = WdfUsbTargetPipeAbortSynchronously(pipe, NULL, NULL);
break;
}
// 取得驱动错误信息，驱动总是把最后一次发现的错误保存在设备对象的环境块中。
// 这个逻辑虽然实现了，但目前的版本中，应用程序并没有利用这个接口。
case IOCTL_USB_GET_LAST_ERROR:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_GET_LAST_ERROR");
if (OutputBufferLength >= sizeof(ULONG))
*((PULONG)pBufferOutput) = m_ulLastUSBErrorStatusValue;
else
status = STATUS_BUFFER_TOO_SMALL;
ulRetLen = sizeof(ULONG);
break;
}
// Clear feature命令
case IOCTL_USB_SET_CLEAR_FEATURE:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_USB_SET_CLEAR_FEATURE");
status = UsbSetOrClearFeature(Request);
break;
}
// 为USB设备加载固件程序。带有偏移量参数，用这个分支；不带偏移量，可用下一个分支。
// 带偏移量的情况下，固件代码是一段一段地加载；
// 不带偏移量的情况，固件代码作为一整块一次性被加载。
case IOCTL_FIRMWARE_UPLOAD_OFFSET:
{
void* pData = pBufferOutput;
WORD offset = 0;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_FIRMWARE_UPLOAD_OFFSET");
if(InputBufferLength < sizeof(WORD)){
status = STATUS_INVALID_PARAMETER;
break;
}
offset = *(WORD*)pBufferInput;
status = FirmwareUpload((PUCHAR)pData, OutputBufferLength, offset);
break;
}
// 为USB设备加载固件程序。
case IOCTL_FIRMWARE_UPLOAD:
{
void* pData = pBufferOutput;
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_FIRMWARE_UPLOAD");
status = FirmwareUpload((PUCHAR)pData, InputBufferLength, 0);
break;
}
// 读取开发板设备的RAM内容。RAM也就是内存。
// 每次从同一地址读取的内容可能不尽相同，开发板中固件程序在不断运行，RAM被用来储数据（包括临时数据）。
case IOCTL_FIRMWARE_READ_RAM:
{
KDBG(DPFLTR_INFO_LEVEL, "IOCTL_FIRMWARE_READ_RAM");
status = ReadRAM(Request, &ulRetLen);// inforVal中保存读取的长度
break;
}
// 其他的请求
default:
{
// 一律转发到SerialQueue中去。
WdfRequestForwardToIoQueue(Request, m_hIoCtlSerialQueue);
// 命令转发之后，这里必须直接返回，千万不可调用WdfRequestComplete函数。
// 否则会导致一个Request被完成两次的错误。
return;
}
}
// 完成请求
WdfRequestCompleteWithInformation(Request, status, ulRetLen);
}
NTSTATUS
AbortPipes(
__in WDFDEVICE Device
)
/*++
Routine Description
sends an abort pipe request on all open pipes.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
UCHAR i;
ULONG count;
NTSTATUS status;
PDEVICE_CONTEXT pDevContext;
PAGED_CODE();
//
// initialize variables
//
pDevContext = GetDeviceContext(Device);
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "--> AbortPipes \n");
count = WdfUsbInterfaceGetNumConfiguredPipes(pDevContext->UsbInterface);
for (i = 0; i < count; i++) {
WDFUSBPIPE pipe;
pipe = WdfUsbInterfaceGetConfiguredPipe(
pDevContext->UsbInterface,
i, //PipeIndex,
NULL
);
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "Aborting open pipe %d\n", i);
status = WdfUsbTargetPipeAbortSynchronously(pipe,
WDF_NO_HANDLE, // WDFREQUEST
NULL);//PWDF_REQUEST_SEND_OPTIONS
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL,
"WdfUsbTargetPipeAbortSynchronously failed %x\n", status);
break;
}
}
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "<-- AbortPipes \n");
return STATUS_SUCCESS;
}
VOID CyGetActiveAltInterfaceConfig(__in PDEVICE_CONTEXT pDevContext)
{
WDFUSBPIPE UsbPipe;
WDF_USB_PIPE_INFORMATION UsbPipeInfo;
UCHAR ucIndex;
UCHAR ucNumberConfiguredPipes;
ucNumberConfiguredPipes = WdfUsbInterfaceGetNumConfiguredPipes(pDevContext->UsbInterfaceConfig.Types.SingleInterface.ConfiguredUsbInterface);
pDevContext->ucActiveNumOfPipe = ucNumberConfiguredPipes; /* Update the number of cofigured pipe */
CyTraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP,"Number of configured pipe 0x%x\n", pDevContext->ucActiveNumOfPipe);
pDevContext->ucActiveInterruptInPipe = 0; // Initialize
for(ucIndex=0; ucIndex < ucNumberConfiguredPipes; ucIndex++)
{
WDF_USB_PIPE_INFORMATION_INIT(&UsbPipeInfo);
UsbPipe = WdfUsbInterfaceGetConfiguredPipe(
pDevContext->UsbInterfaceConfig.Types.SingleInterface.ConfiguredUsbInterface,
ucIndex,
&UsbPipeInfo
);
WdfUsbTargetPipeSetNoMaximumPacketSizeCheck(UsbPipe); /* disable check for the multiple of maximum packet size for read/write buffer */
pDevContext->WdfUsbPipeArray[ucIndex] = UsbPipe; /* Store pipe handle */
/* display information */
if(WdfUsbPipeTypeInterrupt == UsbPipeInfo.PipeType && (WdfUsbTargetPipeIsInEndpoint(UsbPipe)))
{
//Update the interrupt IN endpoint information
pDevContext->WdfUsbInterruptInPipeArray[pDevContext->ucActiveInterruptInPipe]=UsbPipe;
pDevContext->ucActiveInterruptInPipe++;
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Interrupt Pipe is 0x%p\n", UsbPipe);
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Interrupt Pipe\n");
}
if(WdfUsbPipeTypeBulk == UsbPipeInfo.PipeType) {
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Bulk Pipe is 0x%p\n", UsbPipe); // && WdfUsbTargetPipeIsInEndpoint(pipe
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Bulk Pipe\n");
}
if(WdfUsbPipeTypeIsochronous == UsbPipeInfo.PipeType &&
WdfUsbTargetPipeIsOutEndpoint(UsbPipe))
{
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Isochronous Pipe is 0x%p\n", UsbPipe);
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
"Isochronous Pipe\n");
}
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
" MaximumPacketSize :%x\n", UsbPipeInfo.MaximumPacketSize);
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
" EndpointAddress :%x\n", UsbPipeInfo.EndpointAddress);
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
" Interval :%x\n", UsbPipeInfo.Interval);
CyTraceEvents(TRACE_LEVEL_VERBOSE, DBG_PNP,
" SettingIndex :%x\n", UsbPipeInfo.SettingIndex);
}
}
