X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/dac7b046fd5d5c5332ca82cd538dd2c50f9128fd..1190652c0b210fe24320f8da9bfd5a0e169111d8:/LUFA/Drivers/USB/Class/Host/HIDParser.c diff --git a/LUFA/Drivers/USB/Class/Host/HIDParser.c b/LUFA/Drivers/USB/Class/Host/HIDParser.c index 3fbad6508..accb8f36b 100644 --- a/LUFA/Drivers/USB/Class/Host/HIDParser.c +++ b/LUFA/Drivers/USB/Class/Host/HIDParser.c @@ -35,19 +35,22 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID_ReportInfo_t* const ParserData) { - HID_StateTable_t StateTable[HID_STATETABLE_STACK_DEPTH]; - HID_StateTable_t* CurrStateTable = &StateTable[0]; - uint16_t UsageStack[HID_USAGE_STACK_DEPTH]; - uint8_t UsageStackSize = 0; - uint16_t BitOffsetIn = 0; - uint16_t BitOffsetOut = 0; -#if defined(HID_ENABLE_FEATURE_PROCESSING) - uint16_t BitOffsetFeature = 0; -#endif + HID_StateTable_t StateTable[HID_STATETABLE_STACK_DEPTH]; + HID_StateTable_t* CurrStateTable = &StateTable[0]; HID_CollectionPath_t* CurrCollectionPath = NULL; + uint16_t UsageStack[HID_USAGE_STACK_DEPTH]; + uint8_t UsageStackSize = 0; + uint16_t BitOffsetIn = 0; + uint16_t BitOffsetOut = 0; + uint16_t BitOffsetFeature = 0; + + ParserData->TotalReportItems = 0; + ParserData->UsingMultipleReports = false; + + for (uint8_t CurrCollection = 0; CurrCollection < HID_MAX_COLLECTIONS; CurrCollection++) + ParserData->CollectionPaths[CurrCollection].Parent = NULL; - memset(ParserData, 0x00, sizeof(HID_ReportInfo_t)); - memset(StateTable, 0x00, sizeof(StateTable)); + memset(&StateTable[0], 0x00, sizeof(HID_StateTable_t)); while (ReportSize) { @@ -126,10 +129,7 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID ParserData->UsingMultipleReports = true; BitOffsetIn = 0; BitOffsetOut = 0; - - #if defined(HID_ENABLE_FEATURE_PROCESSING) BitOffsetFeature = 0; - #endif break; case (TYPE_LOCAL | TAG_LOCAL_USAGE): if (UsageStackSize == HID_USAGE_STACK_DEPTH) @@ -192,27 +192,22 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID break; case (TYPE_MAIN | TAG_MAIN_INPUT): case (TYPE_MAIN | TAG_MAIN_OUTPUT): -#if defined(HID_ENABLE_FEATURE_PROCESSING) case (TYPE_MAIN | TAG_MAIN_FEATURE): -#endif for (uint8_t ReportItemNum = 0; ReportItemNum < CurrStateTable->ReportCount; ReportItemNum++) { - HID_ReportItem_t* CurrReportItem = &ParserData->ReportItems[ParserData->TotalReportItems]; - - if (ParserData->TotalReportItems == HID_MAX_REPORTITEMS) - return HID_PARSE_InsufficientReportItems; + HID_ReportItem_t NewReportItem; - memcpy(&CurrReportItem->Attributes, + memcpy(&NewReportItem.Attributes, &CurrStateTable->Attributes, sizeof(HID_ReportItem_Attributes_t)); - CurrReportItem->ItemFlags = ReportItemData; - CurrReportItem->CollectionPath = CurrCollectionPath; - CurrReportItem->ReportID = CurrStateTable->ReportID; + NewReportItem.ItemFlags = ReportItemData; + NewReportItem.CollectionPath = CurrCollectionPath; + NewReportItem.ReportID = CurrStateTable->ReportID; if (UsageStackSize) { - CurrReportItem->Attributes.Usage.Usage = UsageStack[0]; + NewReportItem.Attributes.Usage.Usage = UsageStack[0]; for (uint8_t i = 0; i < UsageStackSize; i++) UsageStack[i] = UsageStack[i + 1]; @@ -221,42 +216,41 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID } else { - CurrReportItem->Attributes.Usage.Usage = 0; + NewReportItem.Attributes.Usage.Usage = 0; } switch (HIDReportItem & TAG_MASK) { case TAG_MAIN_INPUT: - CurrReportItem->ItemType = REPORT_ITEM_TYPE_In; - CurrReportItem->BitOffset = BitOffsetIn; + NewReportItem.ItemType = REPORT_ITEM_TYPE_In; + NewReportItem.BitOffset = BitOffsetIn; BitOffsetIn += CurrStateTable->Attributes.BitSize; - break; case TAG_MAIN_OUTPUT: - CurrReportItem->ItemType = REPORT_ITEM_TYPE_Out; - CurrReportItem->BitOffset = BitOffsetOut; + NewReportItem.ItemType = REPORT_ITEM_TYPE_Out; + NewReportItem.BitOffset = BitOffsetOut; BitOffsetOut += CurrStateTable->Attributes.BitSize; - break; -#if defined(HID_ENABLE_FEATURE_PROCESSING) case TAG_MAIN_FEATURE: - CurrReportItem->ItemType = REPORT_ITEM_TYPE_Feature; - CurrReportItem->BitOffset = BitOffsetFeature; + NewReportItem.ItemType = REPORT_ITEM_TYPE_Feature; + NewReportItem.BitOffset = BitOffsetFeature; - BitOffsetFeature += CurrStateTable->Attributes.BitSize; - + BitOffsetFeature += CurrStateTable->Attributes.BitSize; break; -#endif } + + if (!(ReportItemData & IOF_CONSTANT) && CALLBACK_HIDParser_FilterHIDReportItem(&CurrStateTable->Attributes)) + { + if (ParserData->TotalReportItems == HID_MAX_REPORTITEMS) + return HID_PARSE_InsufficientReportItems; -#if defined(HID_INCLUDE_CONSTANT_DATA_ITEMS) - ParserData->TotalReportItems++; -#else - if (!(ReportItemData & IOF_CONSTANT)) - ParserData->TotalReportItems++; -#endif + memcpy(&ParserData->ReportItems[ParserData->TotalReportItems], + &NewReportItem, sizeof(HID_ReportItem_t)); + + ParserData->TotalReportItems++; + } } UsageStackSize = 0;