|
|
|
@ -75,16 +75,36 @@ uint8_t GetHIDReportData(void)
|
|
|
|
|
* we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would
|
|
|
|
|
* have occupied).
|
|
|
|
|
*
|
|
|
|
|
* \param[in] CurrentItemAttributes Pointer to the attrbutes of the item the HID report parser is currently working with
|
|
|
|
|
* \param[in] CurrentItem Pointer to the item the HID report parser is currently working with
|
|
|
|
|
*
|
|
|
|
|
* \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded
|
|
|
|
|
*/
|
|
|
|
|
bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_Attributes_t* CurrentItemAttributes)
|
|
|
|
|
bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* CurrentItem)
|
|
|
|
|
{
|
|
|
|
|
/* Check the attributes of the current item - see if we are interested in it or not;
|
|
|
|
|
bool IsMouse = false;
|
|
|
|
|
|
|
|
|
|
/* Iterate through the item's collection path, until either the root collection node or a collection with the
|
|
|
|
|
* Mouse Usage is found - this prevents Joysticks, which use identical descriptors except for the Joystick usage
|
|
|
|
|
* parent node, from being erronously treated as a mouse
|
|
|
|
|
*/
|
|
|
|
|
for (HID_CollectionPath_t* CurrPath = CurrentItem->CollectionPath; CurrPath != NULL; CurrPath = CurrPath->Parent)
|
|
|
|
|
{
|
|
|
|
|
if ((CurrPath->Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
|
|
|
|
|
(CurrPath->Usage.Usage == USAGE_MOUSE))
|
|
|
|
|
{
|
|
|
|
|
IsMouse = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If a collection with the mouse usage was not found, indicate that we are not interested in this item */
|
|
|
|
|
if (!IsMouse)
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
/* Check the attributes of the current mouse item - see if we are interested in it or not;
|
|
|
|
|
* only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report
|
|
|
|
|
* structure to save RAM and ignore the rest
|
|
|
|
|
*/
|
|
|
|
|
return ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||
|
|
|
|
|
(CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL));
|
|
|
|
|
return ((CurrentItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) ||
|
|
|
|
|
(CurrentItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL));
|
|
|
|
|
}
|
|
|
|
|