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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
View file

@ -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)

1
LUFA/ManPages/ChangeLog.txt
View file

@ -51,6 +51,7 @@
* - Renamed the PRNT_Host_SendString(), CDC_Host_SendString() and CDC_Device_SendString() functions to *_SendData(), and
* added new versions of the *_SendString() routines that expect a null terminated string instead
* - Renamed all driver termination *_ShutDown() functions to the more logical name *_Disable()
* - Reduced latency for executing the Start-Of-Frame events (if enabled in the user application)
* - Library Applications:
* - Changed the XPLAINBridge software UART to use the regular timer CTC mode instead of the alternative CTC mode
* via the Input Capture register, to reduce user confusion

1
LUFA/ManPages/LUFAPoweredProjects.txt
View file

@ -43,6 +43,7 @@
* - CAMTRIG, a remote Camera Trigger device: http://code.astraw.com/projects/motmot/camtrig
* - CD Driver Emulator Dongle for ISO Files: http://cdemu.blogspot.com/
* - ClockTamer, a configurable clock generator: http://code.google.com/p/clock-tamer/
* - DIY PS3 controller emulator: https://code.google.com/p/diyps3controller/
* - EMUCOMBOX, a USB-RS422 adapter for E-Mu Emax samplers: http://users.skynet.be/emxp/EMUCOMBOX.htm
* - Estick JTAG, an ARM JTAG debugger: http://code.google.com/p/estick-jtag/
* - "Fingerlicking Wingdinger" (WARNING: Bad Language if no Javascript), a MIDI controller: http://noisybox.net/electronics/wingdinger/