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Tighten up the code in the delta movement detection code in the MouseHostWithParser and JoystickHostWithParser demos. Make the ClassDriver JoystickHostWithParser demo use the HID_ALIGN_DATA() macro instead of manual shifting and casting.

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Dean Camera
2010-08-09 12:04:52 +00:00
parent 508e905d8d
commit eb060db71b
4 changed files with 18 additions and 32 deletions
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11
Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c
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@@ -148,16 +148,13 @@ int main(void)
(ReportItem->Attributes.Usage.Usage == USAGE_Y)) &&
(ReportItem->ItemType == REPORT_ITEM_TYPE_In))
{
int16_t DeltaMovement = (int16_t)(ReportItem->Value << (16 - ReportItem->Attributes.BitSize));
int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t);
if (ReportItem->Attributes.Usage.Usage == USAGE_X)
if (DeltaMovement)
{
if (DeltaMovement)
if (ReportItem->Attributes.Usage.Usage == USAGE_X)
LEDMask |= ((DeltaMovement > 0) ? LEDS_LED1 : LEDS_LED2);
}
else
{
if (DeltaMovement)
else
LEDMask |= ((DeltaMovement > 0) ? LEDS_LED3 : LEDS_LED4);
}
}