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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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This commit is contained in:
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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14
Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.c
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@ -285,17 +285,13 @@ void ProcessJoystickReport(uint8_t* JoystickReport)
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);
}
}

16
Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
View file

@ -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);
}
}