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131 lines
3.0 KiB
131 lines
3.0 KiB
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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hidexe.h
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Abstract:
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This module contains the declarations and definitions for use with the
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hid user more client sample driver.
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Environment:
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Kernel & user mode
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@@BEGIN_DDKSPLIT
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Revision History:
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Nov-96 : Created by Kenneth D. Ray
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@@END_DDKSPLIT
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--*/
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#ifndef HIDEXE_H
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#define HIDEXE_H
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#include <hidpddi.h>
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//
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//
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#define DIGCF_FUNCTION 0x00000010
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#define DIOD_FUNCTION 0x00000008
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#define DIREG_FUNCTION 0x00000008
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//
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// A structure to hold the steady state data received from the hid device.
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// Each time a read packet is received we fill in this structure.
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// Each time we wish to write to a hid device we fill in this structure.
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// This structure is here only for convenience. Most real applications will
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// have a more efficient way of moving the hid data to the read, write, and
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// feature routines.
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//
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typedef struct _HID_DATA {
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BOOLEAN IsButtonData;
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UCHAR Reserved;
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USAGE UsagePage; // The usage page for which we are looking.
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ULONG Status; // The last status returned from the accessor function
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// when updating this field.
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union {
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struct {
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ULONG MaxUsageLength; // Usages buffer length.
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PUSAGE Usages; // list of usages (buttons ``down'' on the device.
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} ButtonData;
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struct {
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USAGE Usage; // The usage describing this value;
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USHORT Reserved;
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ULONG Value;
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LONG ScaledValue;
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} ValueData;
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};
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} HID_DATA, *PHID_DATA;
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typedef struct _HID_DEVICE {
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// HANDLE HidDevice; // A file handle to the hid device.
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// PHIDP_PREPARSED_DATA Ppd; // The opaque parser info describing this device
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// HIDP_CAPS Caps; // The Capabilities of this hid device.
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PCHAR InputReportBuffer;
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PHID_DATA InputData; // array of hid data structures
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ULONG InputDataLength; // Num elements in this array.
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PHIDP_BUTTON_CAPS InputButtonCaps;
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PHIDP_VALUE_CAPS InputValueCaps;
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PCHAR OutputReportBuffer;
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PHID_DATA OutputData;
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ULONG OutputDataLength;
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PHIDP_BUTTON_CAPS OutputButtonCaps;
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PHIDP_VALUE_CAPS OutputValueCaps;
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PCHAR FeatureReportBuffer;
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PHID_DATA FeatureData;
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ULONG FeatureDataLength;
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PHIDP_BUTTON_CAPS FeatureButtonCaps;
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PHIDP_VALUE_CAPS FeatureValueCaps;
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} HID_DEVICE, *PHID_DEVICE;
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BOOLEAN
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FindKnownHidDevices (
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OUT PHID_DEVICE * HidDevices, // A array of struct _HID_DEVICE
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OUT PULONG NumberDevices // the length of this array.
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);
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BOOLEAN
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CloseHidDevices (
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OUT PHID_DEVICE * HidDevices, // A array of struct _HID_DEVICE
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OUT PULONG NumberDevices // the length of this array.
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);
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BOOLEAN
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Read (
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PHID_DEVICE HidDevice
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);
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BOOLEAN
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Write (
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PHID_DEVICE HidDevice
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);
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BOOLEAN
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SetFeature (
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PHID_DEVICE HidDevice
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);
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BOOLEAN
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GetFeature (
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PHID_DEVICE HidDevice
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);
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#endif
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