/*++ Copyright (c) 1996 Microsoft Corporation Module Name: HIDSDI.H Abstract: This module contains the PUBLIC definitions for the code that implements the HID dll. Environment: Kernel & user mode --*/ #ifndef _HIDSDI_H #define _HIDSDI_H #include //#include "wtypes.h" //#include //#include //#include typedef LONG NTSTATUS; #include "hidusage.h" #include "hidpi.h" typedef struct _HIDD_CONFIGURATION { PVOID cookie; ULONG size; ULONG RingBufferSize; } HIDD_CONFIGURATION, *PHIDD_CONFIGURATION; typedef struct _HIDD_ATTRIBUTES { ULONG Size; // = sizeof (struct _HIDD_ATTRIBUTES) // // Vendor ids of this hid device // USHORT VendorID; USHORT ProductID; USHORT VersionNumber; // // Additional fields will be added to the end of this structure. // } HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES; BOOLEAN __stdcall HidD_GetAttributes ( IN HANDLE HidDeviceObject, OUT PHIDD_ATTRIBUTES Attributes ); /*++ Routine Description: Fill in the given HIDD_ATTRIBUTES structure with the attributes of the given hid device. --*/ void __stdcall HidD_GetHidGuid ( OUT LPGUID HidGuid ); BOOLEAN __stdcall HidD_GetPreparsedData ( IN HANDLE HidDeviceObject, OUT PHIDP_PREPARSED_DATA * PreparsedData ); /*++ Routine Description: Given a handle to a valid Hid Class Device Object, retrieve the preparsed data for the device. This routine will allocate the appropriately sized buffer to hold this preparsed data. It is up to client to call HidP_FreePreparsedData to free the memory allocated to this structure when it is no longer needed. Arguments: HidDeviceObject A handle to a Hid Device that the client obtains using a call to CreateFile on a valid Hid device string name. The string name can be obtained using standard PnP calls. PreparsedData An opaque data structure used by other functions in this library to retrieve information about a given device. Return Value: TRUE if successful. FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_FreePreparsedData ( IN PHIDP_PREPARSED_DATA PreparsedData ); BOOLEAN __stdcall HidD_FlushQueue ( IN HANDLE HidDeviceObject ); /*++ Routine Description: Flush the input queue for the given HID device. Arguments: HidDeviceObject A handle to a Hid Device that the client obtains using a call to CreateFile on a valid Hid device string name. The string name can be obtained using standard PnP calls. Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetConfiguration ( IN HANDLE HidDeviceObject, OUT PHIDD_CONFIGURATION Configuration, IN ULONG ConfigurationLength ); /*++ Routine Description: Get the configuration information for this Hid device Arguments: HidDeviceObject A handle to a Hid Device Object. Configuration A configuration structure. HidD_GetConfiguration MUST be called before the configuration can be modified and set using HidD_SetConfiguration ConfigurationLength That is ``sizeof (HIDD_CONFIGURATION)''. Using this parameter, we can later increase the length of the configuration array and not break older apps. Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_SetConfiguration ( IN HANDLE HidDeviceObject, IN PHIDD_CONFIGURATION Configuration, IN ULONG ConfigurationLength ); /*++ Routine Description: Set the configuration information for this Hid device... NOTE: HidD_GetConfiguration must be called to retrieve the current configuration information before this information can be modified and set. Arguments: HidDeviceObject A handle to a Hid Device Object. Configuration A configuration structure. HidD_GetConfiguration MUST be called before the configuration can be modified and set using HidD_SetConfiguration ConfigurationLength That is ``sizeof (HIDD_CONFIGURATION)''. Using this parameter, we can later increase the length of the configuration array and not break older apps. Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetFeature ( IN HANDLE HidDeviceObject, OUT PVOID ReportBuffer, IN ULONG ReportBufferLength ); /*++ Routine Description: Retrieve a feature report from a HID device. Arguments: HidDeviceObject A handle to a Hid Device Object. ReportBuffer The buffer that the feature report should be placed into. The first byte of the buffer should be set to the report ID of the desired report ReportBufferLength The size (in bytes) of ReportBuffer. This value should be greater than or equal to the FeatureReportByteLength field as specified in the HIDP_CAPS structure for the device Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_SetFeature ( IN HANDLE HidDeviceObject, IN PVOID ReportBuffer, IN ULONG ReportBufferLength ); /*++ Routine Description: Send a feature report to a HID device. Arguments: HidDeviceObject A handle to a Hid Device Object. ReportBuffer The buffer of the feature report to send to the device ReportBufferLength The size (in bytes) of ReportBuffer. This value should be greater than or equal to the FeatureReportByteLength field as specified in the HIDP_CAPS structure for the device Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetNumInputBuffers ( IN HANDLE HidDeviceObject, OUT PULONG NumberBuffers ); /*++ Routine Description: This function returns the number of input buffers used by the specified file handle to the Hid device. Each file object has a number of buffers associated with it to queue reports read from the device but which have not yet been read by the user-mode app with a handle to that device. Arguments: HidDeviceObject A handle to a Hid Device Object. NumberBuffers Number of buffers currently being used for this file handle to the Hid device Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_SetNumInputBuffers ( IN HANDLE HidDeviceObject, OUT ULONG NumberBuffers ); /*++ Routine Description: This function sets the number of input buffers used by the specified file handle to the Hid device. Each file object has a number of buffers associated with it to queue reports read from the device but which have not yet been read by the user-mode app with a handle to that device. Arguments: HidDeviceObject A handle to a Hid Device Object. NumberBuffers New number of buffers to use for this file handle to the Hid device Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetPhysicalDescriptor ( IN HANDLE HidDeviceObject, OUT PVOID Buffer, IN ULONG BufferLength ); /*++ Routine Description: This function retrieves the raw physical descriptor for the specified Hid device. Arguments: HidDeviceObject A handle to a Hid Device Object. Buffer Buffer which on return will contain the physical descriptor if one exists for the specified device handle BufferLength Length of buffer (in bytes) Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetManufacturerString ( IN HANDLE HidDeviceObject, OUT PVOID Buffer, IN ULONG BufferLength ); /*++ Routine Description: This function retrieves the manufacturer string from the specified Hid device. Arguments: HidDeviceObject A handle to a Hid Device Object. Buffer Buffer which on return will contain the manufacturer string returned from the device. This string is a wide-character string BufferLength Length of Buffer (in bytes) Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetProductString ( IN HANDLE HidDeviceObject, OUT PVOID Buffer, IN ULONG BufferLength ); /*++ Routine Description: This function retrieves the product string from the specified Hid device. Arguments: HidDeviceObject A handle to a Hid Device Object. Buffer Buffer which on return will contain the product string returned from the device. This string is a wide-character string BufferLength Length of Buffer (in bytes) Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetIndexedString ( IN HANDLE HidDeviceObject, IN ULONG StringIndex, OUT PVOID Buffer, IN ULONG BufferLength ); /*++ Routine Description: This function retrieves a string from the specified Hid device that is specified with a certain string index. Arguments: HidDeviceObject A handle to a Hid Device Object. StringIndex Index of the string to retrieve Buffer Buffer which on return will contain the product string returned from the device. This string is a wide-character string BufferLength Length of Buffer (in bytes) Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ BOOLEAN __stdcall HidD_GetSerialNumberString ( IN HANDLE HidDeviceObject, OUT PVOID Buffer, IN ULONG BufferLength ); /*++ Routine Description: This function retrieves the serial number string from the specified Hid device. Arguments: HidDeviceObject A handle to a Hid Device Object. Buffer Buffer which on return will contain the serial number string returned from the device. This string is a wide-character string BufferLength Length of Buffer (in bytes) Return Value: TRUE if successful FALSE otherwise -- Use GetLastError() to get extended error information --*/ #include #endif