+++ /dev/null
-/*
- * PROJECT: ReactOS HID Parser Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/drivers/hidparser/api.c
- * PURPOSE: HID Parser
- * PROGRAMMERS:
- * Michael Martin (michael.martin@reactos.org)
- * Johannes Anderwald (johannes.anderwald@reactos.org)
- */
-
-#include "parser.h"
-
-#define NDEBUG
-#include <debug.h>
-
-static ULONG KeyboardScanCodes[256] =
-{ /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
-/* 0 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x001e, 0x0030, 0x002e, 0x0020, 0x0012, 0x0021, 0x0022, 0x0023, 0x0017, 0x0024, 0x0025, 0x0026,
-/* 1 */ 0x0032, 0x0031, 0x0018, 0x0019, 0x0010, 0x0013, 0x001f, 0x0014, 0x0016, 0x002f, 0x0011, 0x002d, 0x0015, 0x002c, 0x0002, 0x0003,
-/* 2 */ 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x001c, 0x0001, 0x000e, 0x000f, 0x0039, 0x000c, 0x000d, 0x001a,
-/* 3 */ 0x001b, 0x002b, 0x002b, 0x0027, 0x0028, 0x0029, 0x0033, 0x0034, 0x0035, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040,
-/* 4 */ 0x0041, 0x0042, 0x0043, 0x0044, 0x0057, 0x0058, 0xE037, 0x0046, 0x0045, 0xE052, 0xE047, 0xE049, 0xE053, 0xE04F, 0xE051, 0xE04D,
-/* 5 */ 0xE04B, 0xE050, 0xE048, 0x0045, 0xE035, 0x0037, 0x004a, 0x004e, 0xE01C, 0x004f, 0x0050, 0x0051, 0x004b, 0x004c, 0x004d, 0x0047,
-/* 6 */ 0x0048, 0x0049, 0x0052, 0x0053, 0x0056, 0xE05D, 0xE05E, 0x0075, 0x00b7, 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be,
-/* 7 */ 0x00bf, 0x00c0, 0x00c1, 0x00c2, 0x0086, 0x008a, 0x0082, 0x0084, 0x0080, 0x0081, 0x0083, 0x0089, 0x0085, 0x0087, 0x0088, 0x0071,
-/* 8 */ 0x0073, 0x0072, 0x0000, 0x0000, 0x0000, 0x0079, 0x0000, 0x0059, 0x005d, 0x007c, 0x005c, 0x005e, 0x005f, 0x0000, 0x0000, 0x0000,
-/* 9 */ 0x007a, 0x007b, 0x005a, 0x005b, 0x0055, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-/* A */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-/* B */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-/* C */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-/* D */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-/* E */ 0x001D, 0x002A, 0x0038, 0xE05B, 0xE01D, 0x0036, 0xE038, 0xE05C, 0x00a4, 0x00a6, 0x00a5, 0x00a3, 0x00a1, 0x0073, 0x0072, 0x0071,
-/* F */ 0x0096, 0x009e, 0x009f, 0x0080, 0x0088, 0x00b1, 0x00b2, 0x00b0, 0x008e, 0x0098, 0x00ad, 0x008c, 0x0000, 0x0000, 0x0000, 0x0000,
-};
-
-static struct
-{
- USAGE Usage;
- ULONG ScanCode;
-} CustomerScanCodes[] =
-{
- { 0x00B5, 0xE019 },
- { 0x00B6, 0xE010 },
- { 0x00B7, 0xE024 },
- { 0x00CD, 0xE022 },
- { 0x00E2, 0xE020 },
- { 0x00E9, 0xE030 },
- { 0x00EA, 0xE02E },
- { 0x0183, 0xE06D },
- { 0x018A, 0xE06C },
- { 0x0192, 0xE021 },
- { 0x0194, 0xE06B },
- { 0x0221, 0xE065 },
- { 0x0223, 0xE032 },
- { 0x0224, 0xE06A },
- { 0x0225, 0xE069 },
- { 0x0226, 0xE068 },
- { 0x0227, 0xE067 },
- { 0x022A, 0xE066 },
-};
-
-#define NTOHS(n) (((((unsigned short)(n) & 0xFF)) << 8) | (((unsigned short)(n) & 0xFF00) >> 8))
-
-HIDPARSER_STATUS
-HidParser_GetCollectionUsagePage(
- IN PVOID CollectionContext,
- OUT PUSHORT Usage,
- OUT PUSHORT UsagePage)
-{
- PHID_COLLECTION Collection;
-
- //
- // find collection
- //
- Collection = HidParser_GetCollectionFromContext(CollectionContext);
- if (!Collection)
- {
- //
- // collection not found
- //
- return HIDPARSER_STATUS_COLLECTION_NOT_FOUND;
- }
-
- //
- // store result
- //
- *UsagePage = (Collection->Usage >> 16);
- *Usage = (Collection->Usage & 0xFFFF);
- return HIDPARSER_STATUS_SUCCESS;
-}
-
-ULONG
-HidParser_GetReportLength(
- IN PVOID CollectionContext,
- IN UCHAR ReportType)
-{
- PHID_REPORT Report;
- ULONG ReportLength;
-
- //
- // get first report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no report found
- //
- return 0;
- }
-
- //
- // get report length
- //
- ReportLength = Report->ReportSize;
-
- //
- // done
- //
- if (ReportLength)
- {
- //
- // byte aligned length
- //
- ASSERT(ReportLength % 8 == 0);
- return ReportLength / 8;
- }
- return ReportLength;
-}
-
-ULONG
-HidParser_GetReportItemCountFromReportType(
- IN PVOID CollectionContext,
- IN UCHAR ReportType)
-{
- PHID_REPORT Report;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return 0;
- }
-
- //
- // return report item count
- //
- return Report->ItemCount;
-}
-
-
-ULONG
-HidParser_GetReportItemTypeCountFromReportType(
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN ULONG bData)
-{
- ULONG Index;
- PHID_REPORT Report;
- ULONG ItemCount = 0;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return 0;
- }
-
- //
- // enumerate all items
- //
- for(Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // check item type
- //
- if (Report->Items[Index].HasData && bData)
- {
- //
- // found data item
- //
- ItemCount++;
- }
- else if (Report->Items[Index].HasData == FALSE && bData == FALSE)
- {
- //
- // found value item
- //
- ItemCount++;
- }
- }
-
- //
- // no report items
- //
- return ItemCount;
-}
-
-
-VOID
-HidParser_InitParser(
- IN PHIDPARSER_ALLOC_FUNCTION AllocFunction,
- IN PHIDPARSER_FREE_FUNCTION FreeFunction,
- IN PHIDPARSER_ZERO_FUNCTION ZeroFunction,
- IN PHIDPARSER_COPY_FUNCTION CopyFunction,
- IN PHIDPARSER_DEBUG_FUNCTION DebugFunction,
- OUT PHID_PARSER Parser)
-{
- Parser->Alloc = AllocFunction;
- Parser->Free = FreeFunction;
- Parser->Zero = ZeroFunction;
- Parser->Copy = CopyFunction;
- Parser->Debug = DebugFunction;
-}
-
-ULONG
-HidParser_GetMaxUsageListLengthWithReportAndPage(
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN USAGE UsagePage OPTIONAL)
-{
- ULONG Index;
- PHID_REPORT Report;
- ULONG ItemCount = 0;
- USHORT CurrentUsagePage;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return 0;
- }
-
- for(Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // check usage page
- //
- CurrentUsagePage = (Report->Items[Index].UsageMinimum >> 16);
- if (CurrentUsagePage == UsagePage && Report->Items[Index].HasData)
- {
- //
- // found item
- //
- ItemCount++;
- }
- }
-
- //
- // done
- //
- return ItemCount;
-}
-
-HIDPARSER_STATUS
-HidParser_GetSpecificValueCapsWithReport(
- IN PHID_PARSER Parser,
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN USHORT UsagePage,
- IN USHORT Usage,
- OUT PHIDP_VALUE_CAPS ValueCaps,
- IN OUT PUSHORT ValueCapsLength)
-{
- ULONG Index;
- PHID_REPORT Report;
- USHORT ItemCount = 0;
- USHORT CurrentUsagePage;
- USHORT CurrentUsage;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return HIDPARSER_STATUS_REPORT_NOT_FOUND;
- }
-
- for(Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // check usage page
- //
- CurrentUsagePage = (Report->Items[Index].UsageMinimum >> 16);
- CurrentUsage = (Report->Items[Index].UsageMinimum & 0xFFFF);
-
- if ((Usage == CurrentUsage && UsagePage == CurrentUsagePage) || (Usage == 0 && UsagePage == CurrentUsagePage) || (Usage == CurrentUsage && UsagePage == 0) || (Usage == 0 && UsagePage == 0))
- {
- //
- // check if there is enough place for the caps
- //
- if (ItemCount < *ValueCapsLength)
- {
- //
- // zero caps
- //
- Parser->Zero(&ValueCaps[ItemCount], sizeof(HIDP_VALUE_CAPS));
-
- //
- // init caps
- //
- ValueCaps[ItemCount].UsagePage = CurrentUsagePage;
- ValueCaps[ItemCount].ReportID = Report->ReportID;
- ValueCaps[ItemCount].LogicalMin = Report->Items[Index].Minimum;
- ValueCaps[ItemCount].LogicalMax = Report->Items[Index].Maximum;
- ValueCaps[ItemCount].IsAbsolute = !Report->Items[Index].Relative;
- ValueCaps[ItemCount].BitSize = Report->Items[Index].BitCount;
-
- //
- // FIXME: FILLMEIN
- //
- }
-
-
- //
- // found item
- //
- ItemCount++;
- }
- }
-
- //
- // store result
- //
- *ValueCapsLength = ItemCount;
-
- if (ItemCount)
- {
- //
- // success
- //
- return HIDPARSER_STATUS_SUCCESS;
- }
-
- //
- // item not found
- //
- return HIDPARSER_STATUS_USAGE_NOT_FOUND;
-}
-
-HIDPARSER_STATUS
-HidParser_GetUsagesWithReport(
- IN PHID_PARSER Parser,
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN USAGE UsagePage,
- OUT USAGE *UsageList,
- IN OUT PULONG UsageLength,
- IN PCHAR ReportDescriptor,
- IN ULONG ReportDescriptorLength)
-{
- ULONG Index;
- PHID_REPORT Report;
- ULONG ItemCount = 0;
- USHORT CurrentUsagePage;
- PHID_REPORT_ITEM ReportItem;
- UCHAR Activated;
- ULONG Data;
- PUSAGE_AND_PAGE UsageAndPage = NULL;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return HIDPARSER_STATUS_REPORT_NOT_FOUND;
- }
-
- if (Report->ReportSize / 8 != (ReportDescriptorLength - 1))
- {
- //
- // invalid report descriptor length
- //
- return HIDPARSER_STATUS_INVALID_REPORT_LENGTH;
- }
-
- //
- // cast to usage and page
- //
- if (UsagePage == HID_USAGE_PAGE_UNDEFINED)
- {
- //
- // the caller requested any set usages
- //
- UsageAndPage = (PUSAGE_AND_PAGE)UsageList;
- }
-
- for(Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // get report item
- //
- ReportItem = &Report->Items[Index];
-
- //
- // does it have data
- //
- if (!ReportItem->HasData)
- continue;
-
- //
- // check usage page
- //
- CurrentUsagePage = (ReportItem->UsageMinimum >> 16);
-
- if (UsagePage != HID_USAGE_PAGE_UNDEFINED)
- {
- //
- // does usage match
- //
- if (UsagePage != CurrentUsagePage)
- continue;
- }
-
- //
- // check if the specified usage is activated
- //
- ASSERT(ReportItem->ByteOffset < ReportDescriptorLength);
- ASSERT(ReportItem->BitCount <= 8);
-
- //
- // one extra shift for skipping the prepended report id
- //
- Data = ReportDescriptor[ReportItem->ByteOffset + 1];
-
- //
- // shift data
- //
- Data >>= ReportItem->Shift;
-
- //
- // clear unwanted bits
- //
- Data &= ReportItem->Mask;
-
- //
- // is it activated
- //
- Activated = (Data != 0);
-
- if (!Activated)
- continue;
-
- //
- // is there enough space for the usage
- //
- if (ItemCount >= *UsageLength)
- {
- ItemCount++;
- continue;
- }
-
- if (UsagePage != HID_USAGE_PAGE_UNDEFINED)
- {
- //
- // store item
- //
- UsageList[ItemCount] = (ReportItem->UsageMinimum & 0xFFFF);
- }
- else
- {
- //
- // store usage and page
- //
- if (ReportItem->BitCount == 1)
- {
- //
- // use usage minimum
- //
- UsageAndPage[ItemCount].Usage =(ReportItem->UsageMinimum & 0xFFFF);
- }
- else
- {
- //
- // use value from control
- //
- UsageAndPage[ItemCount].Usage = (USHORT)Data;
- }
- UsageAndPage[ItemCount].UsagePage = CurrentUsagePage;
- }
- ItemCount++;
- }
-
- if (ItemCount > *UsageLength)
- {
- //
- // list too small
- //
- return HIDPARSER_STATUS_BUFFER_TOO_SMALL;
- }
-
- if (UsagePage == HID_USAGE_PAGE_UNDEFINED)
- {
- //
- // success, clear rest of array
- //
- Parser->Zero(&UsageAndPage[ItemCount], (*UsageLength - ItemCount) * sizeof(USAGE_AND_PAGE));
- }
- else
- {
- //
- // success, clear rest of array
- //
- Parser->Zero(&UsageList[ItemCount], (*UsageLength - ItemCount) * sizeof(USAGE));
- }
-
-
- //
- // store result size
- //
- *UsageLength = ItemCount;
-
- //
- // done
- //
- return HIDPARSER_STATUS_SUCCESS;
-}
-
-ULONG
-HidParser_UsesReportId(
- IN PVOID CollectionContext,
- IN UCHAR ReportType)
-{
- PHID_REPORT Report;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return 0;
- }
-
- //
- // returns true when report id != 0
- //
- return (Report->ReportID != 0);
-
-}
-
-HIDPARSER_STATUS
-HidParser_GetUsageValueWithReport(
- IN PHID_PARSER Parser,
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN USAGE UsagePage,
- IN USAGE Usage,
- OUT PULONG UsageValue,
- IN PCHAR ReportDescriptor,
- IN ULONG ReportDescriptorLength)
-{
- ULONG Index;
- PHID_REPORT Report;
- USHORT CurrentUsagePage;
- PHID_REPORT_ITEM ReportItem;
- ULONG Data;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return HIDPARSER_STATUS_REPORT_NOT_FOUND;
- }
-
- if (Report->ReportSize / 8 != (ReportDescriptorLength - 1))
- {
- //
- // invalid report descriptor length
- //
- return HIDPARSER_STATUS_INVALID_REPORT_LENGTH;
- }
-
- for (Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // get report item
- //
- ReportItem = &Report->Items[Index];
-
- //
- // check usage page
- //
- CurrentUsagePage = (ReportItem->UsageMinimum >> 16);
-
- //
- // does usage page match
- //
- if (UsagePage != CurrentUsagePage)
- continue;
-
- //
- // does the usage match
- //
- if (Usage != (ReportItem->UsageMinimum & 0xFFFF))
- continue;
-
- //
- // check if the specified usage is activated
- //
- ASSERT(ReportItem->ByteOffset < ReportDescriptorLength);
-
- //
- // one extra shift for skipping the prepended report id
- //
- Data = 0;
- Parser->Copy(&Data, &ReportDescriptor[ReportItem->ByteOffset + 1], min(sizeof(ULONG), ReportDescriptorLength - (ReportItem->ByteOffset + 1)));
-
- //
- // shift data
- //
- Data >>= ReportItem->Shift;
-
- //
- // clear unwanted bits
- //
- Data &= ReportItem->Mask;
-
- //
- // store result
- //
- *UsageValue = Data;
- return HIDPARSER_STATUS_SUCCESS;
- }
-
- //
- // usage not found
- //
- return HIDPARSER_STATUS_USAGE_NOT_FOUND;
-}
-
-
-
-HIDPARSER_STATUS
-HidParser_GetScaledUsageValueWithReport(
- IN PHID_PARSER Parser,
- IN PVOID CollectionContext,
- IN UCHAR ReportType,
- IN USAGE UsagePage,
- IN USAGE Usage,
- OUT PLONG UsageValue,
- IN PCHAR ReportDescriptor,
- IN ULONG ReportDescriptorLength)
-{
- ULONG Index;
- PHID_REPORT Report;
- USHORT CurrentUsagePage;
- PHID_REPORT_ITEM ReportItem;
- ULONG Data;
-
- //
- // get report
- //
- Report = HidParser_GetReportInCollection(CollectionContext, ReportType);
- if (!Report)
- {
- //
- // no such report
- //
- return HIDPARSER_STATUS_REPORT_NOT_FOUND;
- }
-
- if (Report->ReportSize / 8 != (ReportDescriptorLength - 1))
- {
- //
- // invalid report descriptor length
- //
- return HIDPARSER_STATUS_INVALID_REPORT_LENGTH;
- }
-
- for (Index = 0; Index < Report->ItemCount; Index++)
- {
- //
- // get report item
- //
- ReportItem = &Report->Items[Index];
-
- //
- // check usage page
- //
- CurrentUsagePage = (ReportItem->UsageMinimum >> 16);
-
- //
- // does usage page match
- //
- if (UsagePage != CurrentUsagePage)
- continue;
-
- //
- // does the usage match
- //
- if (Usage != (ReportItem->UsageMinimum & 0xFFFF))
- continue;
-
- //
- // check if the specified usage is activated
- //
- ASSERT(ReportItem->ByteOffset < ReportDescriptorLength);
-
- //
- // one extra shift for skipping the prepended report id
- //
- Data = 0;
- Parser->Copy(&Data, &ReportDescriptor[ReportItem->ByteOffset + 1], min(sizeof(ULONG), ReportDescriptorLength - (ReportItem->ByteOffset + 1)));
-
- //
- // shift data
- //
- Data >>= ReportItem->Shift;
-
- //
- // clear unwanted bits
- //
- Data &= ReportItem->Mask;
-
- if (ReportItem->Minimum > ReportItem->Maximum)
- {
- //
- // logical boundaries are signed values
- //
-
- // FIXME: scale with physical min/max
- if ((Data & ~(ReportItem->Mask >> 1)) != 0)
- {
- Data |= ~ReportItem->Mask;
- }
- }
- else
- {
- // logical boundaries are absolute values
- return HIDPARSER_STATUS_BAD_LOG_PHY_VALUES;
- }
-
- //
- // store result
- //
- *UsageValue = Data;
- return HIDPARSER_STATUS_SUCCESS;
- }
-
- //
- // usage not found
- //
- return HIDPARSER_STATUS_USAGE_NOT_FOUND;
-}
-
-ULONG
-HidParser_GetScanCodeFromKbdUsage(
- IN USAGE Usage)
-{
- if (Usage < sizeof(KeyboardScanCodes) / sizeof(KeyboardScanCodes[0]))
- {
- //
- // valid usage
- //
- return KeyboardScanCodes[Usage];
- }
-
- //
- // invalid usage
- //
- return 0;
-}
-
-ULONG
-HidParser_GetScanCodeFromCustUsage(
- IN USAGE Usage)
-{
- ULONG i;
-
- //
- // find usage in array
- //
- for (i = 0; i < sizeof(CustomerScanCodes) / sizeof(CustomerScanCodes[0]); ++i)
- {
- if (CustomerScanCodes[i].Usage == Usage)
- {
- //
- // valid usage
- //
- return CustomerScanCodes[i].ScanCode;
- }
- }
-
- //
- // invalid usage
- //
- return 0;
-}
-
-VOID
-HidParser_DispatchKey(
- IN PCHAR ScanCodes,
- IN HIDP_KEYBOARD_DIRECTION KeyAction,
- IN PHIDP_INSERT_SCANCODES InsertCodesProcedure,
- IN PVOID InsertCodesContext)
-{
- ULONG Index;
- ULONG Length = 0;
-
- //
- // count code length
- //
- for(Index = 0; Index < sizeof(ULONG); Index++)
- {
- if (ScanCodes[Index] == 0)
- {
- //
- // last scan code
- //
- break;
- }
-
- //
- // is this a key break
- //
- if (KeyAction == HidP_Keyboard_Break)
- {
- //
- // add break - see USB HID to PS/2 Scan Code Translation Table
- //
- ScanCodes[Index] |= 0x80;
- }
-
- //
- // more scan counts
- //
- Length++;
- }
-
- if (Length > 0)
- {
- //
- // dispatch scan codes
- //
- InsertCodesProcedure(InsertCodesContext, ScanCodes, Length);
- }
-}
-
-HIDPARSER_STATUS
-HidParser_TranslateKbdUsage(
- IN PHID_PARSER Parser,
- IN USAGE Usage,
- IN HIDP_KEYBOARD_DIRECTION KeyAction,
- IN OUT PHIDP_KEYBOARD_MODIFIER_STATE ModifierState,
- IN PHIDP_INSERT_SCANCODES InsertCodesProcedure,
- IN PVOID InsertCodesContext)
-{
- ULONG ScanCode;
- CHAR FakeShift[] = {0xE0, 0x2A, 0x00};
- CHAR FakeCtrl[] = {0xE1, 0x1D, 0x00};
-
- //
- // get scan code
- //
- ScanCode = HidParser_GetScanCodeFromKbdUsage(Usage);
- if (!ScanCode)
- {
- //
- // invalid lookup or no scan code available
- //
- DPRINT1("No Scan code for Usage %x\n", Usage);
- return HIDPARSER_STATUS_I8042_TRANS_UNKNOWN;
- }
-
- if (ScanCode & 0xFF00)
- {
- //
- // swap scan code
- //
- ScanCode = NTOHS(ScanCode);
- }
-
- if (Usage == 0x46 && KeyAction == HidP_Keyboard_Make)
- {
- // Print Screen generates additional FakeShift
- HidParser_DispatchKey(FakeShift, KeyAction, InsertCodesProcedure, InsertCodesContext);
- }
-
- if (Usage == 0x48)
- {
- // Pause/Break generates additional FakeCtrl. Note: it's always before key press/release.
- HidParser_DispatchKey(FakeCtrl, KeyAction, InsertCodesProcedure, InsertCodesContext);
- }
-
- //
- // FIXME: translate modifier states
- //
- HidParser_DispatchKey((PCHAR)&ScanCode, KeyAction, InsertCodesProcedure, InsertCodesContext);
-
- if (Usage == 0x46 && KeyAction == HidP_Keyboard_Break)
- {
- // Print Screen generates additional FakeShift
- HidParser_DispatchKey(FakeShift, KeyAction, InsertCodesProcedure, InsertCodesContext);
- }
-
- //
- // done
- //
- return HIDPARSER_STATUS_SUCCESS;
-}
-
-HIDPARSER_STATUS
-HidParser_TranslateCustUsage(
- IN PHID_PARSER Parser,
- IN USAGE Usage,
- IN HIDP_KEYBOARD_DIRECTION KeyAction,
- IN OUT PHIDP_KEYBOARD_MODIFIER_STATE ModifierState,
- IN PHIDP_INSERT_SCANCODES InsertCodesProcedure,
- IN PVOID InsertCodesContext)
-{
- ULONG ScanCode;
-
- //
- // get scan code
- //
- ScanCode = HidParser_GetScanCodeFromCustUsage(Usage);
- if (!ScanCode)
- {
- //
- // invalid lookup or no scan code available
- //
- DPRINT1("No Scan code for Usage %x\n", Usage);
- return HIDPARSER_STATUS_I8042_TRANS_UNKNOWN;
- }
-
- if (ScanCode & 0xFF00)
- {
- //
- // swap scan code
- //
- ScanCode = NTOHS(ScanCode);
- }
-
- //
- // FIXME: translate modifier states
- //
- HidParser_DispatchKey((PCHAR)&ScanCode, KeyAction, InsertCodesProcedure, InsertCodesContext);
-
- //
- // done
- //
- return HIDPARSER_STATUS_SUCCESS;
-}
projects / reactos.git / blobdiff