X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/071e02c6b6b4837fa9cf0b6d4c749994e02638d7..b3c6599bb7ab8518c3a457579c538c6520e85b01:/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c

diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
index efe1421a2..38e4b2564 100644
--- a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
+++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
@@ -112,7 +112,8 @@ void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
  *  enumerating an attached USB device.
  */
-void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+                                            const uint8_t SubErrorCode)
 {
 	printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 	                         " -- Error Code %d\r\n"
@@ -298,19 +299,15 @@ void ProcessMouseReport(uint8_t* MouseReport)
 			if (!(FoundData))
 			  continue;
 			  
-			int16_t DeltaMovement = (int16_t)(ReportItem->Value << (16 - ReportItem->Attributes.BitSize));
+			int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t);
 			
-			/* Determine if the report is for the X or Y delta movement */
-			if (ReportItem->Attributes.Usage.Usage == USAGE_X)
+			/* Check to see if a (non-zero) delta movement has been indicated */
+			if (DeltaMovement)
 			{
-				/* Turn on the appropriate LED according to direction if the delta is non-zero */
-				if (DeltaMovement)
+				/* Determine if the report is for the X or Y delta movement, light LEDs as appropriate */
+				if (ReportItem->Attributes.Usage.Usage == USAGE_X)
 				  LEDMask |= ((DeltaMovement > 0) ? LEDS_LED1 : LEDS_LED2);
-			}
-			else
-			{
-				/* Turn on the appropriate LED according to direction if the delta is non-zero */
-				if (DeltaMovement)
+				else
 				  LEDMask |= ((DeltaMovement > 0) ? LEDS_LED3 : LEDS_LED4);
 			}
 		}