{"id":65500,"date":"2026-01-25T05:48:22","date_gmt":"2026-01-24T21:48:22","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65500.html"},"modified":"2026-01-25T05:48:22","modified_gmt":"2026-01-24T21:48:22","slug":"pci9x5x%e9%a9%b1%e5%8a%a8%e7%a7%bb%e6%a4%8d%e6%94%af%e6%8c%81pci9054%e5%9c%a8win7%e4%b8%8b%e4%bd%bf%e7%94%a82","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65500.html","title":{"rendered":"PCI9x5x\u9a71\u52a8\u79fb\u690d\u652f\u6301PCI9054\u5728win7\u4e0b\u4f7f\u75282"},"content":{"rendered":"

\u63a5\u4e0a\u6587，\u672c\u6587\u7ae0\u7ee7\u7eed\u8bb0\u5f55\u4e2d\u6cf0\u8054\u521b\u7684\u6570\u636e\u91c7\u96c6\u5361\u9a71\u52a8\u7ffb\u65b0\u8fc7\u7a0b\u3002<\/p>\n

\u4e2d\u65ad\u521d\u59cb\u5316\u90e8\u5206\u4ee3\u7801\u79fb\u690d<\/h3>\n

\u5206\u6790PLX9x5x\u6e90\u7801\u53ef\u77e5，\u4e2d\u65ad\u521d\u59cb\u5316\u8c03\u7528\u6d41\u7a0b\u5982\u4e0b：
\nPLxEvtDeviceAdd-PLxInitializeDeviceExtension-PLxInterruptCreate
\n\u5176\u4e2d\u5177\u4f53\u521d\u59cb\u5316\u4ee3\u7801\u5728PLxInterruptCreate\u51fd\u6570\u4e2d，\u8fd9\u90e8\u5206\u662f\u7eaf\u6846\u67b6\u6d41\u7a0b\u65e0\u9700\u4fee\u6539，\u76f4\u63a5\u5c31\u53ef\u4ee5\u4f7f\u7528：<\/p>\n

NTSTATUS
\nPLxInterruptCreate<\/span>(<\/span>
\n IN PDEVICE_EXTENSION DevExt
\n )<\/span>
\n{<\/span>
\n .<\/span>.<\/span>.<\/span>.<\/span>.<\/span>.<\/span>
\n}<\/span><\/p>\n

WdfInterruptCreate\u51fd\u6570\u5c06\u521b\u5efa\u8bbe\u5907\u4e2d\u65ad\u5bf9\u8c61，\u540e\u7eed\u548c\u4e2d\u65ad\u76f8\u5173\u64cd\u4f5c\u90fd\u8981\u7528\u5230DevExt->Interrupt\u3002
\nWdfInterruptCreate\u51fd\u6570\u6210\u529f\u8fd4\u56de\u4e4b\u540e，WDF\u6846\u67b6\u4f1a\u5728\u7cfb\u7edf\u52a0\u8f7d\u8bbe\u5907\u65f6\u8fde\u63a5\u4e2d\u65ad，\u8fde\u63a5\u4e2d\u65ad\u540e\u8c03\u7528PLxEvtInterruptEnable\u51fd\u6570；\u7cfb\u7edf\u5378\u8f7d\u8bbe\u5907\u65f6\u8c03\u7528PLxEvtInterruptDisable\u51fd\u6570\u540e\u65ad\u5f00\u4e2d\u65ad\u3002<\/p>\n

\u793a\u4f8b\u7a0b\u5e8f\u5df2\u7ecf\u5728PLxEvtInterruptEnable\u51fd\u6570\u4e2d\u5bf9\u4e2d\u65ad\u5bc4\u5b58\u5668\u8fdb\u884c\u4e86\u4f7f\u80fd\u64cd\u4f5c，\u8fd9\u4e00\u70b9PCI9054\u548cPCI9656\u517c\u5bb9，\u6240\u4ee5\u5ef6\u7528\u6b64\u4ee3\u7801\u5373\u53ef，\u540c\u65f6\u9700\u8981\u52a0\u4e0a\u672c\u5730\u603b\u7ebf\u7684\u4e2d\u65ad\u4f7f\u80fd\u3002<\/p>\n

intCSR.<\/span>bits.<\/span>LocalIntInputEnable =<\/span> TRUE;<\/span><\/p>\n

\u793a\u4f8b\u7a0b\u5e8f\u5df2\u7ecf\u5728PLxEvtInterruptDisable\u51fd\u6570\u4e2d\u5bf9\u4e2d\u65ad\u5bc4\u5b58\u5668\u8fdb\u884c\u4e86\u7981\u6b62\u64cd\u4f5c，\u8fd9\u4e00\u70b9PCI9054\u548cPCI9656\u517c\u5bb9，\u6240\u4ee5\u5ef6\u7528\u6b64\u4ee3\u7801\u5373\u53ef\u3002<\/p>\n

intCSR.<\/span>bits.<\/span>LocalIntInputEnable =<\/span> FALSE;<\/span><\/p>\n

\u5bf9\u4e8e\u4e2d\u6cf0\u8054\u521b\u7684\u8001\u4ea7\u54c1\u4e0a\u4f7f\u80fd\u548c\u7981\u6b62\u4e2d\u65ad\u64cd\u4f5c，\u5219\u6253\u7b97\u8f6c\u79fb\u5230\u5e94\u7528\u5c42\u8fdb\u884c，\u8fd9\u6837\u53ef\u4ee5\u589e\u52a0\u9a71\u52a8\u7684\u9002\u914d\u6027\u3002<\/p>\n

\u4e2d\u65ad\u4e8b\u4ef6\u4ee3\u7801\u90e8\u5206\u79fb\u690d<\/h3>\n

\u8001\u9a71\u52a8\u5728\u5e94\u7528\u5c42\u521b\u5efa\u4e8b\u4ef6\u53e5\u67c4，\u4f20\u8f93\u7ed9\u5185\u6838，\u5728\u5bf9\u5e94\u4e2d\u65ad\u53d1\u751f\u65f6\u89e6\u53d1\u4e8b\u4ef6\u53e5\u67c4，\u4ece\u800c\u7b80\u5316\u5e94\u7528\u5c42\u7f16\u7a0b，\u65b0\u9a71\u52a8\u9700\u8981\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd，<\/p>\n

1. \u516c\u5171\u5b9a\u4e49 (Public.h)<\/h4>\n

\u5728 Public.h \u4e2d\u5b9a\u4e49\u76f8\u5173\u7684 IOCTL \u548c\u5e38\u91cf：<\/p>\n

#<\/span>define<\/span> EVENT_COUNT<\/span> 3L<\/span><\/span><\/span>
\n#<\/span>define<\/span> EVENT_SFifo<\/span> 0L<\/span><\/span><\/span>
\n#<\/span>define<\/span> EVENT_ALARM<\/span> 1L<\/span><\/span><\/span>
\n#<\/span>define<\/span> EVENT_TRIP<\/span> 2L<\/span><\/span><\/span><\/p>\n

#<\/span>define<\/span> PCI8KPLX_IOCTL_OPEN_IRQ<\/span> CTL_CODE<\/span>(<\/span>FILE_DEVICE_UNKNOWN,<\/span> 0x805<\/span>,<\/span> METHOD_BUFFERED,<\/span> FILE_ANY_ACCESS)<\/span><\/span><\/span>
\n#<\/span>define<\/span> PCI8KPLX_IOCTL_CLOSE_IRQ<\/span> CTL_CODE<\/span>(<\/span>FILE_DEVICE_UNKNOWN,<\/span> 0x806<\/span>,<\/span> METHOD_BUFFERED,<\/span> FILE_ANY_ACCESS)<\/span><\/span><\/span><\/p>\n

2. \u8bbe\u5907\u4e0a\u4e0b\u6587\u6269\u5c55 (Private.h)<\/h4>\n

\u5728 DEVICE_EXTENSION \u7ed3\u6784\u4f53\u4e2d\u6dfb\u52a0\u7528\u4e8e\u5b58\u50a8\u5185\u6838\u4e8b\u4ef6\u5bf9\u8c61\u7684\u6307\u9488\u6570\u7ec4：<\/p>\n

typedef<\/span> struct<\/span> _DEVICE_EXTENSION<\/span> {<\/span>
\n \/\/ … \u73b0\u6709\u6210\u5458 …<\/span><\/p>\n

\/\/\u7528\u4e8e\u5b58\u50a8\u5185\u6838\u4e8b\u4ef6\u5bf9\u8c61\u6307\u9488<\/span>
\n PKEVENT m_Events[<\/span>EVENT_COUNT]<\/span>;<\/span><\/p>\n

}<\/span> DEVICE_EXTENSION,<\/span> *<\/span>PDEVICE_EXTENSION;<\/span><\/p>\n

3. IOCTL \u5904\u7406\u903b\u8f91 (Control.c)<\/h4>\n

\u5728 PLxEvtIoDeviceControl \u4e2d\u6dfb\u52a0\u5bf9 PCI8KPLX_IOCTL_OPEN_IRQ\u548cPCI8KPLX_IOCTL_CLOSE_IRQ \u7684\u5206\u53d1:<\/p>\n

\/**
\n * \u4e3b\u8bbe\u5907\u63a7\u5236\u5165\u53e3\u70b9
\n *\/<\/span>
\nVOID
\nPLxEvtIoDeviceControl<\/span>(<\/span>\u2026\u2026)<\/span>
\n{<\/span>
\n \u2026\u2026<\/p>\n

switch<\/span> (<\/span>IoControlCode)<\/span> {<\/span>
\n case<\/span> PCI8KPLX_IOCTL_OPEN_IRQ:<\/span>
\n status =<\/span> PCI8KPLX_IOCTL_OPEN_IRQ_Handler<\/span>(<\/span>Request,<\/span> devExt)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n case<\/span> PCI8KPLX_IOCTL_CLOSE_IRQ:<\/span>
\n status =<\/span> PCI8KPLX_IOCTL_CLOSE_IRQ_Handler<\/span>(<\/span>Request,<\/span> devExt)<\/span>;<\/span>
\n break<\/span>;<\/span><\/p>\n

\/\/ … \u5176\u4ed6 case …<\/span><\/p>\n

default<\/span>:<\/span>
\n status =<\/span> STATUS_INVALID_DEVICE_REQUEST;<\/span>
\n break<\/span>;<\/span>
\n }<\/span><\/p>\n

WdfRequestComplete<\/span>(<\/span>Request,<\/span> status)<\/span>;<\/span>
\n}<\/span><\/p>\n

\u5e76\u5b9e\u73b0\u5904\u7406\u51fd\u6570：<\/p>\n

\/**
\n * \u529f\u80fd：\u5c06\u5e94\u7528\u5c42\u4f20\u5165\u7684 ULONG \u53e5\u67c4\u6570\u7ec4\u8f6c\u6362\u4e3a\u5185\u6838 PKEVENT \u5bf9\u8c61\u6570\u7ec4
\n * \u6ce8\u610f：\u6b64\u65b9\u6cd5\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4，\u9002\u7528\u4e8e\u4e8b\u4ef6\u7c7b\u578b\u548c\u6570\u91cf\u56fa\u5b9a\u7684\u573a\u666f\u3002
\n * \u5bf9\u786c\u4ef6\u5bc4\u5b58\u5668\u7684\u64cd\u4f5c\u653e\u5728\u5e94\u7528\u5c42dll\u4e2d\u3002
\n * \u517c\u5bb9\u6027：\u4f7f\u7528 (HANDLE)(ULONG_PTR)ulH \u786e\u4fdd 32 \u4f4d\u5e94\u7528\u5728 64 \u4f4d\u7cfb\u7edf\u4e0a\u7684\u517c\u5bb9\u6027\u3002
\n *\/<\/span>
\nNTSTATUS
\nPCI8KPLX_IOCTL_OPEN_IRQ_Handler<\/span>(<\/span>
\n _In_ WDFREQUEST Request,<\/span>
\n _In_ PDEVICE_EXTENSION DevExt
\n)<\/span>
\n{<\/span>
\n NTSTATUS status =<\/span> STATUS_SUCCESS;<\/span>
\n PULONG pBuff =<\/span> NULL<\/span>;<\/span> \/\/ \u6307\u5411\u8f93\u5165\u7f13\u51b2\u533a，\u5176\u4e2d\u5305\u542b EVENT_COUNT \u4e2a ULONG \u53e5\u67c4<\/span>
\n size_t<\/span> bufferSize =<\/span> 0<\/span>;<\/span>
\n ULONG i;<\/span><\/p>\n

\/\/ 1. \u83b7\u53d6\u8f93\u5165\u7f13\u51b2\u533a (\u9884\u671f\u5305\u542b EVENT_COUNT \u4e2a ULONG \u53e5\u67c4)<\/span>
\n status =<\/span> WdfRequestRetrieveInputBuffer<\/span>(<\/span>Request,<\/span> sizeof<\/span>(<\/span>ULONG)<\/span> *<\/span> EVENT_COUNT,<\/span> (<\/span>PVOID*<\/span>)<\/span>&<\/span>pBuff,<\/span> &<\/span>bufferSize)<\/span>;<\/span>
\n if<\/span> (<\/span>!<\/span>NT_SUCCESS<\/span>(<\/span>status)<\/span>)<\/span> {<\/span>
\n return<\/span> status;<\/span>
\n }<\/span><\/p>\n

\/\/ 2. \u904d\u5386\u5e76\u5904\u7406\u53e5\u67c4<\/span>
\n for<\/span> (<\/span>i =<\/span> 0<\/span>;<\/span> i <<\/span> EVENT_COUNT;<\/span> i++<\/span>)<\/span> {<\/span>
\n ULONG ulH =<\/span> pBuff[<\/span>i]<\/span>;<\/span>
\n HANDLE h =<\/span> (<\/span>HANDLE)<\/span>(<\/span>ULONG_PTR)<\/span>ulH;<\/span> \/\/ \u5173\u952e\u8f6c\u6362，\u786e\u4fdd64\u4f4d\u517c\u5bb9\u6027<\/span><\/p>\n

if<\/span> (<\/span>h !=<\/span> NULL<\/span>)<\/span> {<\/span>
\n \/\/ \u5982\u679c\u8be5\u4f4d\u7f6e\u5df2\u5b58\u5728\u5f15\u7528\u7684\u4e8b\u4ef6\u5bf9\u8c61，\u5148\u91ca\u653e\u65e7\u5f15\u7528<\/span>
\n if<\/span> (<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span> !=<\/span> NULL<\/span>)<\/span> {<\/span>
\n ObDereferenceObject<\/span>(<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span>)<\/span>;<\/span>
\n DevExt-><\/span>m_Events[<\/span>i]<\/span> =<\/span> NULL<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ \u5c06\u7528\u6237\u6001\u53e5\u67c4\u8f6c\u6362\u4e3a\u5185\u6838\u4e8b\u4ef6\u5bf9\u8c61\u6307\u9488<\/span>
\n status =<\/span> ObReferenceObjectByHandle<\/span>(<\/span>
\n h,<\/span>
\n EVENT_MODIFY_STATE,<\/span>
\n *<\/span>ExEventObjectType,<\/span>
\n UserMode,<\/span>
\n (<\/span>PVOID*<\/span>)<\/span>&<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span>,<\/span>
\n NULL<\/span>
\n )<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>!<\/span>NT_SUCCESS<\/span>(<\/span>status)<\/span>)<\/span> {<\/span>
\n DevExt-><\/span>m_Events[<\/span>i]<\/span> =<\/span> NULL<\/span>;<\/span>
\n break<\/span>;<\/span> \/\/ \u5982\u679c\u67d0\u4e2a\u53e5\u67c4\u8f6c\u6362\u5931\u8d25，\u505c\u6b62\u5904\u7406\u5e76\u8fd4\u56de\u9519\u8bef<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

return<\/span> status;<\/span>
\n}<\/span><\/p>\n

\/**
\n * \u4e8b\u4ef6\u53e5\u67c4\u6e05\u7406\u51fd\u6570 (\u56fa\u5b9a\u6570\u7ec4\u7248)
\n * \u529f\u80fd：\u91ca\u653e m_Events \u6570\u7ec4\u4e2d\u6240\u6709\u5b58\u50a8\u7684\u4e8b\u4ef6\u5bf9\u8c61\u5f15\u7528，\u5e76\u5c06\u6307\u9488\u7f6e\u4e3a NULL\u3002
\n * \u6ce8\u610f：\u6b64\u64cd\u4f5c\u4f1a\u6e05\u9664\u6240\u6709\u5df2\u6ce8\u518c\u7684\u4e8b\u4ef6\u53e5\u67c4\u3002
\n *\/<\/span>
\nNTSTATUS
\nPCI8KPLX_IOCTL_CLOSE_IRQ_Handler<\/span>(<\/span>
\n _In_ WDFREQUEST Request,<\/span>
\n _In_ PDEVICE_EXTENSION DevExt
\n)<\/span>
\n{<\/span>
\n NTSTATUS status =<\/span> STATUS_SUCCESS;<\/span>
\n ULONG i;<\/span>
\n \/\/\u672c\u51fd\u6570\u4e0d\u9700\u8981\u548c\u5e94\u7528\u5c42\u4ea4\u4e92，\u6240\u4ee5\u7528\u4e0d\u5230\u8fd9\u4e2a\u53c2\u6570<\/span>
\nUNREFERENCED_PARAMETER<\/span>(<\/span>Request)<\/span>;<\/span>
\n \/\/ \u4e3a\u4e86\u4fdd\u8bc1\u64cd\u4f5c\u7684\u539f\u5b50\u6027，\u53ef\u80fd\u9700\u8981\u5728\u6b64\u5904\u6dfb\u52a0\u8bbe\u5907\u7ea7\u7684\u9501，\u5982\u679c m_Events \u8bbf\u95ee\u9700\u8981\u540c\u6b65\u7684\u8bdd<\/span>
\n \/\/ WdfWaitLockAcquire(DevExt->SomeLock, NULL);<\/span><\/p>\n

\/\/ \u904d\u5386 m_Events \u6570\u7ec4<\/span>
\n for<\/span> (<\/span>i =<\/span> 0<\/span>;<\/span> i <<\/span> EVENT_COUNT;<\/span> i++<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span> !=<\/span> NULL<\/span>)<\/span> {<\/span>
\n \/\/ \u91ca\u653e\u5bf9\u8be5\u4e8b\u4ef6\u5bf9\u8c61\u7684\u5f15\u7528，\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f<\/span>
\n ObDereferenceObject<\/span>(<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span>)<\/span>;<\/span>
\n \/\/ \u6e05\u7a7a\u6307\u9488<\/span>
\n DevExt-><\/span>m_Events[<\/span>i]<\/span> =<\/span> NULL<\/span>;<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

\/\/ WdfWaitLockRelease(DevExt->SomeLock);<\/span><\/p>\n

\/\/ \u6b64 IOCTL \u901a\u5e38\u6ca1\u6709\u8f93\u51fa\u6570\u636e，\u4e0d\u9700\u8981\u8c03\u7528 WdfRequestSetInformation<\/span>
\n \/\/ \u76f4\u63a5\u8fd4\u56de\u6210\u529f\u72b6\u6001<\/span>
\n return<\/span> status;<\/span>
\n}<\/span><\/p>\n

4. \u6e05\u7406\u4e8b\u4ef6\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f<\/h4>\n

\u5728 PlxCleanupDeviceExtension \u4e2d\u8fdb\u884c\u6e05\u7406<\/p>\n

VOID
\nPlxCleanupDeviceExtension<\/span>(<\/span>
\n _In_ PDEVICE_EXTENSION DevExt
\n)<\/span>
\n{<\/span>
\n ULONG i;<\/span><\/p>\n

\/\/ \u904d\u5386\u5e76\u91ca\u653e\u4e8b\u4ef6\u5bf9\u8c61<\/span>
\n for<\/span> (<\/span>i =<\/span> 0<\/span>;<\/span> i <<\/span> EVENT_COUNT;<\/span> i++<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span> !=<\/span> NULL<\/span>)<\/span> {<\/span>
\n ObDereferenceObject<\/span>(<\/span>DevExt-><\/span>m_Events[<\/span>i]<\/span>)<\/span>;<\/span>
\n DevExt-><\/span>m_Events[<\/span>i]<\/span> =<\/span> NULL<\/span>;<\/span> \/\/ \u6e05\u7a7a\u6307\u9488\u662f\u4e2a\u597d\u4e60\u60ef<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

\/\/ … \u5176\u4ed6\u6e05\u7406\u4ee3\u7801 …<\/span>
\n}<\/span><\/p>\n

5. \u4e2d\u65ad\u89e6\u53d1\u903b\u8f91 (IsrDpc.c \u53c2\u8003)<\/h4>\n

\u5728 DPC (\u5982 PLxEvtInterruptDpc) \u4e2d，\u6839\u636e\u786c\u4ef6\u72b6\u6001\u89e6\u53d1\u76f8\u5e94\u7684\u4e8b\u4ef6：<\/p>\n

\/\/ \u793a\u4f8b：\u89e6\u53d1 SFIFO \u89e6\u53d1\u503c\u4e8b\u4ef6<\/span>
\nif<\/span> (<\/span>DevExt-><\/span>m_Events[<\/span>EVENT_SFifo]<\/span> !=<\/span> NULL<\/span>)<\/span> {<\/span>
\n KeSetEvent<\/span>(<\/span>DevExt-><\/span>m_Events[<\/span>EVENT_SFifo]<\/span>,<\/span> IO_NO_INCREMENT,<\/span> FALSE)<\/span>;<\/span>
\n}<\/span><\/p>\n

5. \u6ce8\u610f\u4e8b\u9879<\/h3>\n
  • 64\u4f4d\u517c\u5bb9\u6027：\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86 (HANDLE)(ULONG_PTR)ulH，\u786e\u4fdd\u4e86 32 \u4f4d\u5e94\u7528\u7a0b\u5e8f\u5728 64 \u4f4d\u7cfb\u7edf\u4e0b\u8fd0\u884c\u65f6\u7684\u53e5\u67c4\u5bf9\u9f50\u3002<\/li>\n
  • \u8d44\u6e90\u91ca\u653e：\u5728\u9a71\u52a8\u5378\u8f7d\u6216\u8bbe\u5907\u6e05\u7406\u56de\u8c03（\u5982 PlxEvtDeviceCleanup）\u4e2d，\u5e94\u904d\u5386 m_Events \u5e76\u5bf9\u975e\u7a7a\u5143\u7d20\u8c03\u7528 ObDereferenceObject，\u4ee5\u9632\u6b62\u5185\u6838\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n
  • \u56fa\u5b9a\u5927\u5c0f\u9650\u5236：\u6b64\u65b9\u6848\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4 m_Events[EVENT_COUNT]，\u5982\u679c\u5e94\u7528\u5c42\u9700\u8981\u7ba1\u7406\u7684\u4e8b\u4ef6\u6570\u91cf\u8d85\u8fc7 EVENT_COUNT，\u5219\u9700\u8981\u589e\u5927\u8be5\u5e38\u91cf\u5e76\u91cd\u65b0\u7f16\u8bd1\u9a71\u52a8\u548c\u5e94\u7528\u5c42\u3002<\/li>\n
  • \u5e94\u7528\u5c42\u517c\u5bb9\u6027：\u6b64\u65b9\u6848\u5047\u5b9a\u5e94\u7528\u5c42\u53d1\u9001\u7684\u662f ULONG \u7c7b\u578b\u7684\u53e5\u67c4\u6570\u7ec4\u3002\u5b83\u4e3b\u8981\u517c\u5bb9\u53d1\u9001\u6b64\u7c7b\u6570\u7ec4\u768432\u4f4d\u5e94\u7528\u3002\u5982\u679c64\u4f4d\u5e94\u7528\u4e5f\u53d1\u9001\u76f8\u540c\u7684 ULONG \u6570\u7ec4（\u4f8b\u5982，\u5e94\u7528\u5c42\u672a\u533a\u5206\u4f4d\u6570），\u5219\u5176\u53e5\u67c4\u5fc5\u987b\u662f\u6709\u6548\u768432\u4f4d\u517c\u5bb9\u503c（\u5982WoW64\u5b50\u7cfb\u7edf\u63d0\u4f9b\u7684\u53e5\u67c4）\u3002<\/li>\n

    \u5e94\u7528\u5c42\u8981\u505a\u7684\u548c\u4e2d\u65ad\u76f8\u5173\u7684\u4e8b\u60c5<\/h3>\n

    \u8001\u9a71\u52a8\u4e2d\u4f7f\u7528\u5185\u6838\u53d8\u91cf\u6765\u4fdd\u5b58\u4e00\u4e9b\u6570\u636e，\u4f1a\u589e\u52a0\u9a71\u52a8\u590d\u6742\u5ea6，\u6240\u4ee5\u90fd\u8f6c\u79fb\u5230\u5e94\u7528\u5c42，\u548c\u4e2d\u65ad\u6709\u5173\u7684\u6709\u63a7\u5236\u5b57，\u53d8\u91cf，\u56e0\u6b64\u5728dll\u4e2d\u58f0\u660e\u5168\u5c40\u53d8\u91cf<\/p>\n

    \/\/\u672c\u6765\u662f\u5185\u6838\u4e2d\u9700\u8981\u4fdd\u5b58\u7684\u5185\u5bb9，\u6539\u6210\u5e94\u7528\u5c42\u4fdd\u5b58<\/span>
    \nULONG g_ulCtrlWord[<\/span>MAX_CARD_COUNT]<\/span>;<\/span>
    \n\/\/\u4e3a\u4e86\u540e\u9762\u65b9\u4fbf\u9605\u8bfb\u4ee3\u7801，\u5c06\u8d4b\u503c\u548c\u8bfb\u53d6\u90fd\u5c01\u88c5\u6210\u51fd\u6570<\/span>
    \nvoid<\/span> SetCtrlWord<\/span>(<\/span>ULONG cardNo,<\/span> ULONG ulCtrlWord)<\/span> {<\/span>
    \nif<\/span> (<\/span>cardNo ><\/span> MAX_CARD_COUNT)<\/span>
    \nreturn<\/span>;<\/span>
    \ng_ulCtrlWord[<\/span>cardNo]<\/span> =<\/span> ulCtrlWord;<\/span>
    \n}<\/span><\/p>\n

    ULONG GetCtrlWord<\/span>(<\/span>ULONG cardNo)<\/span> {<\/span>
    \nif<\/span> (<\/span>cardNo ><\/span> MAX_CARD_COUNT)<\/span>
    \nreturn<\/span> 0<\/span>;<\/span>
    \nreturn<\/span> g_ulCtrlWord[<\/span>cardNo]<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \u8001\u9a71\u52a8\u4e2d\u6709\u4e00\u4e2aInitIRQ\u51fd\u6570，\u53ea\u662f\u64cd\u4f5c\u4e86\u63a7\u5236\u5b57\u53d8\u91cf，\u65b0\u9a71\u52a8\u5c06\u5185\u6838\u64cd\u4f5c\u4fee\u6539\u6210\u5e94\u7528\u5c42\u7684\u53d8\u91cf\u64cd\u4f5c<\/p>\n

    \/\/\u6539\u53d8\u63a7\u5236\u5b57\u4e2d\u7684\u4e2d\u65ad\u76f8\u5173\u4f4d<\/span>
    \n unsigned<\/span> long<\/span> ulCtrlWord =<\/span> GetCtrlWord<\/span>(<\/span>cardNO)<\/span>;<\/span>
    \nulCtrlWord =<\/span> SET_ULONG_BITS<\/span>(<\/span> ulCtrlWord,<\/span> IRQ_MASK,<\/span> IRQ,<\/span> irqSource )<\/span>;<\/span>
    \n SetCtrlWord<\/span>(<\/span>cardNO,<\/span> ulCtrlWord)<\/span>;<\/span><\/p>\n

    \u8001\u9a71\u52a8\u4e2d\u4f7f\u7528OpenIRQ\u5c06\u4e2d\u65ad\u76f8\u5173\u4e8b\u4ef6\u4f20\u9012\u5230\u5185\u6838，\u540c\u65f6\u5728\u5185\u6838\u4e2d\u8bbe\u7f6ePCI9054\u7684\u672c\u5730\u63a7\u5236\u5b57\u4f7f\u80fdFPGA\u4e2d\u65ad\u3002\u65b0\u9a71\u52a8\u4e2d\u5185\u6838\u53ea\u662f\u63a5\u6536\u4e2d\u65ad\u76f8\u5173\u4e8b\u4ef6，\u7136\u540e\u5728\u5e94\u7528\u5c42\u4f7f\u80fdFPGA\u4e2d\u65ad\u3002<\/p>\n

    \/\/\u5728DeviceIoControl\u4e4b\u540e\u5c06\u63a7\u5236\u5b57\u5199\u5165\u786c\u4ef6<\/span>
    \n\/\/\u4f7f\u80fd\u4e4b\u524d\u8bbe\u7f6e\u597d\u7684\u4e2d\u65ad<\/span>
    \nWRITED<\/span>(<\/span>cardNO,<\/span> OFF_CTRLWORD,<\/span> GetCtrlWord<\/span>(<\/span>cardNO)<\/span>)<\/span>;<\/span><\/p>\n

    \u63a5\u4e0b\u6765\u8981\u79fb\u690d\u5e94\u7528\u5c42\u8bbf\u95ee\u786c\u4ef6\u5bc4\u5b58\u5668\u7684\u4ee3\u7801<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u63a5\u4e0a\u6587，\u672c\u6587\u7ae0\u7ee7\u7eed\u8bb0\u5f55\u4e2d\u6cf0\u8054\u521b\u7684\u6570\u636e\u91c7\u96c6\u5361\u9a71\u52a8\u7ffb\u65b0\u8fc7\u7a0b\u3002
    \n\u4e2d\u65ad\u521d\u59cb\u5316\u90e8\u5206\u4ee3\u7801\u79fb\u690d
    \n\u5206\u6790PLX9x5x\u6e90\u7801\u53ef\u77e5，\u4e2d\u65ad\u521d\u59cb\u5316\u8c03\u7528\u6d41\u7a0b\u5982\u4e0b：
    \nPLxEvtDeviceAdd-PLxInitializeDeviceExtension-PLxInterruptCreate
    \n\u5176\u4e2d\u5177\u4f53\u521d\u59cb\u5316\u4ee3\u7801\u5728PLxInterruptCreate\u51fd\u6570\u4e2d，\u8fd9\u90e8\u5206\u662f\u7eaf\u6846\u67b6\u6d41\u7a0b\u65e0\u9700\u4fee\u6539，\u76f4\u63a5\u5c31\u53ef\u4ee5\u4f7f\u7528：
    \nNTSTATUS
    \nPL<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1363],"topic":[],"class_list":["post-65500","post","type-post","status-publish","format-standard","hentry","category-server","tag-1363"],"yoast_head":"\nPCI9x5x\u9a71\u52a8\u79fb\u690d\u652f\u6301PCI9054\u5728win7\u4e0b\u4f7f\u75282 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/65500.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PCI9x5x\u9a71\u52a8\u79fb\u690d\u652f\u6301PCI9054\u5728win7\u4e0b\u4f7f\u75282 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u63a5\u4e0a\u6587，\u672c\u6587\u7ae0\u7ee7\u7eed\u8bb0\u5f55\u4e2d\u6cf0\u8054\u521b\u7684\u6570\u636e\u91c7\u96c6\u5361\u9a71\u52a8\u7ffb\u65b0\u8fc7\u7a0b\u3002 \u4e2d\u65ad\u521d\u59cb\u5316\u90e8\u5206\u4ee3\u7801\u79fb\u690d \u5206\u6790PLX9x5x\u6e90\u7801\u53ef\u77e5，\u4e2d\u65ad\u521d\u59cb\u5316\u8c03\u7528\u6d41\u7a0b\u5982\u4e0b： PLxEvtDeviceAdd-PLxInitializeDeviceExtension-PLxInterruptCreate \u5176\u4e2d\u5177\u4f53\u521d\u59cb\u5316\u4ee3\u7801\u5728PLxInterruptCreate\u51fd\u6570\u4e2d，\u8fd9\u90e8\u5206\u662f\u7eaf\u6846\u67b6\u6d41\u7a0b\u65e0\u9700\u4fee\u6539，\u76f4\u63a5\u5c31\u53ef\u4ee5\u4f7f\u7528： NTSTATUS PL\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/65500.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-24T21:48:22+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/65500.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/65500.html\",\"name\":\"PCI9x5x\u9a71\u52a8\u79fb\u690d\u652f\u6301PCI9054\u5728win7\u4e0b\u4f7f\u75282 - 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