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Reduced latency for executing the Start-Of-Frame events (if enabled in the user application).

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This commit is contained in:
Dean Camera 2011-02-19 12:09:55 +00:00
parent e4f3d9957e
commit 100a197d0e
4 changed files with 21 additions and 19 deletions
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36
LUFA/Drivers/USB/LowLevel/USBInterrupt.c
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@ -74,6 +74,15 @@ void USB_INT_ClearAllInterrupts(void)
ISR(USB_GEN_vect, ISR_BLOCK)
{
#if defined(USB_CAN_BE_DEVICE)
#if !defined(NO_SOF_EVENTS)
if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))
{
USB_INT_Clear(USB_INT_SOFI);
EVENT_USB_Device_StartOfFrame();
}
#endif
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS))
{
@ -161,18 +170,18 @@ ISR(USB_GEN_vect, ISR_BLOCK)
EVENT_USB_Device_Reset();
}
#if !defined(NO_SOF_EVENTS)
if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))
{
USB_INT_Clear(USB_INT_SOFI);
EVENT_USB_Device_StartOfFrame();
}
#endif
#endif
#if defined(USB_CAN_BE_HOST)
#if !defined(NO_SOF_EVENTS)
if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))
{
USB_INT_Clear(USB_INT_HSOFI);
EVENT_USB_Host_StartOfFrame();
}
#endif
if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
{
USB_INT_Clear(USB_INT_DDISCI);
@ -218,15 +227,6 @@ ISR(USB_GEN_vect, ISR_BLOCK)
USB_ResetInterface();
}
#if !defined(NO_SOF_EVENTS)
if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))
{
USB_INT_Clear(USB_INT_HSOFI);
EVENT_USB_Host_StartOfFrame();
}
#endif
#endif
#if defined(USB_CAN_BE_BOTH)