Initial publish

1 files changed, 69 insertions, 0 deletions

diff --git a/pofx/WDF/inc/AppInterface.h b/pofx/WDF/inc/AppInterface.h
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+++ b/pofx/WDF/inc/AppInterface.h
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+/*++
+
+Copyright (c) Microsoft Corporation, All Rights Reserved
+
+Module Name:
+
+    AppInterface.h
+
+Abstract:
+
+    This module contains the common declarations shared by the driver and the 
+    user application for the PowerFx sample.
+
+Environment:
+
+    user and kernel
+
+--*/
+
+#if !defined(_APPINTERFACE_H_)
+#define _APPINTERFACE_H_
+
+#include <initguid.h>
+
+//
+// Component count for multi-component device
+//
+#define COMPONENT_COUNT         4
+
+//
+// Interface GUID for the PowerFx driver
+// {D21FD4DB-5FB6-4df2-B73B-5E7F8632B390}
+//
+DEFINE_GUID(
+    GUID_DEVINTERFACE_POWERFX,
+    0xd21fd4db, 0x5fb6, 0x4df2, 0xb7, 0x3b, 0x5e, 0x7f, 0x86, 0x32, 0xb3, 0x90
+    );
+
+//
+// IOCTLs that the application sends to the PowerFx driver
+//
+#define IOCTL_INDEX_POWERFX     0x900
+#define FILE_DEVICE_POWERFX     0x9000
+
+//
+// This IOCTL is used to read a data from a component. The app initializes the 
+// input buffer with the component number to read. The driver writes the data
+// from that component to the output buffer.
+// In this sample, the "data" for a given component is just the bit-wise 
+// complement of the component number. In other words, the data for component 
+// number 'X' is simply '~X'.
+//
+#define IOCTL_POWERFX_READ_COMPONENT    CTL_CODE(FILE_DEVICE_POWERFX,  \
+                                                 IOCTL_INDEX_POWERFX,  \
+                                                 METHOD_BUFFERED,      \
+                                                 FILE_READ_ACCESS)
+
+//
+// Input and output buffers for IOCTL_POWERFX_READ_COMPONENT
+//
+typedef struct _POWERFX_READ_COMPONENT_INPUT {
+    ULONG ComponentNumber;
+} POWERFX_READ_COMPONENT_INPUT, *PPOWERFX_READ_COMPONENT_INPUT;
+
+typedef struct _POWERFX_READ_COMPONENT_OUTPUT {
+    ULONG ComponentData;
+} POWERFX_READ_COMPONENT_OUTPUT, *PPOWERFX_READ_COMPONENT_OUTPUT;
+
+#endif // _APPINTERFACE_H_
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