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Changed HIDParser to only zero out important values in the Parsed HID Report Item Information structure to save cycles.

This commit is contained in:
Dean Camera 2009-09-01 15:46:46 +00:00
parent 113df4878b
commit 0fdc1a2bc6
2 changed files with 8 additions and 2 deletions
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9
LUFA/Drivers/USB/Class/Host/HIDParser.c
View File

@ -46,8 +46,13 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
#endif
HID_CollectionPath_t* CurrCollectionPath = NULL;
memset(ParserData, 0x00, sizeof(HID_ReportInfo_t));
memset(StateTable, 0x00, sizeof(StateTable));
ParserData->TotalReportItems = 0;
ParserData->UsingMultipleReports = false;
for (uint8_t CurrCollection = 0; CurrCollection < HID_MAX_COLLECTIONS; CurrCollection++)
ParserData->CollectionPaths[CurrCollection].Parent = NULL;
memset(&StateTable[0], 0x00, sizeof(HID_StateTable_t));
while (ReportSize)
{

1
LUFA/ManPages/ChangeLog.txt
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@ -31,6 +31,7 @@
* - Altered the SCSI commands in the LowLevel Mass Storage Host to save on FLASH space by reducing function calls
* - Changed the parameters and behaviour of the USB_GetDeviceConfigDescriptor() function so that it now performs size checks
* and data validations internally, to simplify user code
* - Changed HIDParser to only zero out important values in the Parsed HID Report Item Information structure to save cycles
*
* <b>Fixed:</b>
* - Fixed possible lockup in the CDC device class driver, when the host sends data that is a multiple of the