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Commit ee7bd568 authored by Dean Camera's avatar Dean Camera
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Ensure that the Keyboard and Mouse demos adhere to the boot protocol...

Ensure that the Keyboard and Mouse demos adhere to the boot protocol specification in that they send a report before the idle period has elapsed if the report data has changed.
parent 7184153e
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......@@ -385,8 +385,9 @@ void ProcessLEDReport(uint8_t LEDReport)
/** Sends the next HID report to the host, via the keyboard data endpoint. */
static inline void SendNextReport(void)
{
USB_KeyboardReport_Data_t KeyboardReportData;
bool SendReport = true;
static USB_KeyboardReport_Data_t PrevKeyboardReportData;
USB_KeyboardReport_Data_t KeyboardReportData;
bool SendReport = true;
/* Create the next keyboard report for transmission to the host */
CreateKeyboardReport(&KeyboardReportData);
......@@ -402,11 +403,14 @@ 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(&PrevKeyboardReportData, &KeyboardReportData, sizeof(USB_KeyboardReport_Data_t)) != 0);
}
}
/* Save the current report data for later comparison to check for changes */
PrevKeyboardReportData = KeyboardReportData;
/* Select the Keyboard Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_EPNUM);
......
......@@ -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);
......
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