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Fixed optimization error in the HID Parser item value USB_SetHIDReportItemInfo() and USB_GetHIDReportItemInfo() routines if the report item was NULL (which should be allowable according to the API).

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Fixed HID Parser CALLBACK_HIDParser_FilterHIDReportItem() callback function not being passed a cacheable report item pointer.
This commit is contained in:
Dean Camera 2011-09-07 10:18:49 +00:00
parent 94e0a0058a
commit 4b229cb5ef
4 changed files with 20 additions and 13 deletions
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8
LUFA/Drivers/USB/Class/Common/HIDParser.h
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@ -295,7 +295,7 @@
* \returns Boolean \c true if the item to retrieve was located in the given report, \c false otherwise.
*/
bool USB_GetHIDReportItemInfo(const uint8_t* ReportData,
HID_ReportItem_t* const ReportItem) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
HID_ReportItem_t* const ReportItem) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the given report item's value out of the \c Value member of the report item's
* \ref HID_ReportItem_t structure and places it into the correct position in the HID report
@ -311,7 +311,7 @@
* \param[in] ReportItem Pointer to the report item of interest in a \ref HID_ReportInfo_t ReportItem array.
*/
void USB_SetHIDReportItemInfo(uint8_t* ReportData,
HID_ReportItem_t* const ReportItem) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
HID_ReportItem_t* const ReportItem) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the size of a given HID report in bytes from its Report ID.
*
@ -331,6 +331,10 @@
* \ref HID_ReportInfo_t structure. This can be used to filter only those items the application will be using, so that
* no RAM is wasted storing the attributes for report items which will never be referenced by the application.
*
* Report item pointers passed to this callback function may be cached by the user application for later use
* when processing report items. This provides faster report processing in the user application than would
* a search of the entire parsed report item table for each received or sent report.
*
* \param[in] CurrentItem Pointer to the current report item for user checking.
*
* \return Boolean \c true if the item should be stored into the \ref HID_ReportInfo_t structure, \c false if