Only indicate when the left mouse button is pressed in the MouseHostWithParser host...

diff --git a/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c
index f7c9cee..4e62975 100644 (file)
--- 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)