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-rw-r--r--Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c
index f7c9cee32..4e62975dd 100644
--- a/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c
+++ b/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c
@@ -132,13 +132,17 @@ void MouseHost_Task(void)
if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
- if (ReportItem->Value)
+ /* Buttons are numbered sequentially in their HID usages, button 1 is the left mouse button */
+ uint8_t ButtonID = ReportItem->Attributes.Usage.Usage;
+
+ if ((ButtonID == 1) && (ReportItem->Value != 0))
LEDMask = LEDS_ALL_LEDS;
}
else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
(ReportItem->Attributes.Usage.Usage == USAGE_SCROLL_WHEEL) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
+ /* Convert wheel data to a 16-bit signed value */
int16_t WheelDelta = HID_ALIGN_DATA(ReportItem, int16_t);
if (WheelDelta)
@@ -149,6 +153,7 @@ void MouseHost_Task(void)
(ReportItem->Attributes.Usage.Usage == USAGE_Y)) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
+ /* Convert X/Y movement to 16-bit signed value */
int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t);
if (DeltaMovement)