diff options
Diffstat (limited to 'Demos/Mouse')
| -rw-r--r-- | Demos/Mouse/Mouse.c | 12 |
1 files changed, 8 insertions, 4 deletions
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);
|