diff options
Diffstat (limited to 'Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c')
-rw-r--r-- | Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c index 1b9c12aa9d..38e4b2564a 100644 --- a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c +++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c @@ -299,19 +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); } } |