X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7184153e5dc68e134d64cb16a1096ba9f1957964..ee7bd5685e000b3a128069fd75d436c653ab54b2:/Demos/Mouse/Mouse.c

diff --git a/Demos/Mouse/Mouse.c b/Demos/Mouse/Mouse.c
index c4b7f55ad..c066d424a 100644
--- a/Demos/Mouse/Mouse.c
+++ b/Demos/Mouse/Mouse.c
@@ -337,8 +337,9 @@ void CreateMouseReport(USB_MouseReport_Data_t* ReportData)
 /** Sends the next HID report to the host, via the keyboard data endpoint. */
 static inline void SendNextReport(void)
 {
-	USB_MouseReport_Data_t MouseReportData;
-	bool                   SendReport = true;
+	static USB_MouseReport_Data_t PrevMouseReportData;
+	USB_MouseReport_Data_t        MouseReportData;
+	bool                          SendReport = true;
 	
 	/* Create the next mouse report for transmission to the host */
 	CreateMouseReport(&MouseReportData);
@@ -354,10 +355,13 @@ static inline void SendNextReport(void)
 		}
 		else
 		{
-			/* Idle period not elapsed, indicate that a report must not be sent */
-			SendReport = false;
+			/* Idle period not elapsed, indicate that a report must not be sent unless the report has changed */
+			SendReport = (memcmp(&PrevMouseReportData, &MouseReportData, sizeof(USB_MouseReport_Data_t)) != 0);
 		}
 	}
+
+	/* Save the current report data for later comparison to check for changes */
+	PrevMouseReportData = MouseReportData;
 	
 	/* Select the Mouse Report Endpoint */
 	Endpoint_SelectEndpoint(MOUSE_EPNUM);