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Fixed HID Parser's largest report size bit count not including the size of the last parsed report item.

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Fixed HID host driver's largest HID report size count corrupt when the number of report bits exceeds 255.
This commit is contained in:
Dean Camera
2011-09-17 13:07:21 +00:00
parent d881e0cbf6
commit 99ff27e403
4 changed files with 5 additions and 3 deletions
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3
LUFA/Drivers/USB/Class/Common/HIDParser.c
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@@ -255,8 +255,7 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData,
CurrReportIDInfo->ReportSizeBits[NewReportItem.ItemType] += CurrStateTable->Attributes.BitSize;
if (ParserData->LargestReportSizeBits < NewReportItem.BitOffset)
ParserData->LargestReportSizeBits = NewReportItem.BitOffset;
ParserData->LargestReportSizeBits = MAX(ParserData->LargestReportSizeBits, CurrReportIDInfo->ReportSizeBits[NewReportItem.ItemType]);
if (ParserData->TotalReportItems == HID_MAX_REPORTITEMS)
return HID_PARSE_InsufficientReportItems;

2
LUFA/Drivers/USB/Class/Host/HID.c
View File

@@ -421,7 +421,7 @@ uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceI
return HID_ERROR_LOGICAL | ErrorCode;
}
uint8_t LargestReportSizeBits = HIDInterfaceInfo->Config.HIDParserData->LargestReportSizeBits;
uint16_t LargestReportSizeBits = HIDInterfaceInfo->Config.HIDParserData->LargestReportSizeBits;
HIDInterfaceInfo->State.LargestReportSize = (LargestReportSizeBits >> 3) + ((LargestReportSizeBits & 0x07) != 0);
return 0;