diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/HID.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/HID.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/HID.c b/LUFA/Drivers/USB/Class/Device/HID.c index cc1ad43b5..7ff32498b 100644 --- a/LUFA/Drivers/USB/Class/Device/HID.c +++ b/LUFA/Drivers/USB/Class/Device/HID.c @@ -53,11 +53,15 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter uint16_t ReportINSize = 0;
uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF);
uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1;
+ uint8_t ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize];
+
+ memset(ReportINData, 0, sizeof(ReportINData));
- memset(HIDInterfaceInfo->Config.PrevReportINBuffer, 0, HIDInterfaceInfo->Config.PrevReportINBufferSize);
-
CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportType,
HIDInterfaceInfo->Config.PrevReportINBuffer, &ReportINSize);
+
+ if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL)
+ memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, HIDInterfaceInfo->Config.PrevReportINBufferSize);
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
Endpoint_Write_Control_Stream_LE(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize);
@@ -169,7 +173,7 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL)
{
StatesChanged = (memcmp(ReportINData, HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize) != 0);
- memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, ReportINSize);
+ memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, HIDInterfaceInfo->Config.PrevReportINBufferSize);
}
if (ReportINSize && (ForceSend || StatesChanged || IdlePeriodElapsed))
|