Altered the HID class driver to only try to construct at maximum one packet per USB frame, to reduce CPU usage.
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<Project name="LUFA"><Folder name="Demos"><Folder name="Device"><Folder name="ClassDriver"><Folder name="AudioInput"><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.c"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.h"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.txt"></File><File path="Demos\Device\ClassDriver\AudioInput\Descriptors.c"></File><File path="Demos\Device\ClassDriver\AudioInput\Descriptors.h"></File><File path="Demos\Device\ClassDriver\AudioInput\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\AudioInput\makefile"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.aps"></File></Folder><Folder name="AudioOutput"><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.c"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.h"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.txt"></File><File path="Demos\Device\ClassDriver\AudioOutput\Descriptors.c"></File><File path="Demos\Device\ClassDriver\AudioOutput\Descriptors.h"></File><File path="Demos\Device\ClassDriver\AudioOutput\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\AudioOutput\makefile"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.aps"></File></Folder><Folder name="DualVirtualSerial"><File path="Demos\Device\ClassDriver\DualVirtualSerial\Descriptors.c"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\Descriptors.h"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.c"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.h"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.txt"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\LUFA DualVirtualSerial.inf"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\makefile"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.aps"></File></Folder><Folder name="GenericHID"><File path="Demos\Device\ClassDriver\GenericHID\Descriptors.c"></File><File path="Demos\Device\ClassDriver\GenericHID\Descriptors.h"></File><File path="Demos\Device\ClassDriver\GenericHID\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.c"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.h"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.txt"></File><File path="Demos\Device\ClassDriver\GenericHID\makefile"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.aps"></File></Folder><Folder name="Joystick"><File path="Demos\Device\ClassDriver\Joystick\Descriptors.c"></File><File path="Demos\Device\ClassDriver\Joystick\Descriptors.h"></File><File path="Demos\Device\ClassDriver\Joystick\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.c"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.h"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.txt"></File><File path="Demos\Device\ClassDriver\Joystick\makefile"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.aps"></File></Folder><Folder name="Keyboard"><File path="Demos\Device\ClassDriver\Keyboard\Descriptors.c"></File><File path="Demos\Device\ClassDriver\Keyboard\Descriptors.h"></File><File path="Demos\Device\ClassDriver\Keyboard\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.c"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.h"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.txt"></File><File path="Demos\Device\ClassDriver\Keyboard\makefile"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.aps"></File></Folder><Folder name="KeyboardMouse"><File path="Demos\Device\ClassDriver\KeyboardMouse\Descriptors.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\Descriptors.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.txt"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\makefile"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.aps"></File></Folder><Folder name="KeyboardMouseMultiReport"><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Descriptors.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Descriptors.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.txt"></File><File path="Demos\DeLine truncated
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<Project name="LUFA"><Folder name="Demos"><Folder name="Device"><Folder name="ClassDriver"><Folder name="AudioInput"><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.c"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.h"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.txt"></File><File path="Demos\Device\ClassDriver\AudioInput\Descriptors.c"></File><File path="Demos\Device\ClassDriver\AudioInput\Descriptors.h"></File><File path="Demos\Device\ClassDriver\AudioInput\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\AudioInput\makefile"></File><File path="Demos\Device\ClassDriver\AudioInput\AudioInput.aps"></File></Folder><Folder name="AudioOutput"><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.c"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.h"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.txt"></File><File path="Demos\Device\ClassDriver\AudioOutput\Descriptors.c"></File><File path="Demos\Device\ClassDriver\AudioOutput\Descriptors.h"></File><File path="Demos\Device\ClassDriver\AudioOutput\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\AudioOutput\makefile"></File><File path="Demos\Device\ClassDriver\AudioOutput\AudioOutput.aps"></File></Folder><Folder name="DualVirtualSerial"><File path="Demos\Device\ClassDriver\DualVirtualSerial\Descriptors.c"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\Descriptors.h"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.c"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.h"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.txt"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\LUFA DualVirtualSerial.inf"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\makefile"></File><File path="Demos\Device\ClassDriver\DualVirtualSerial\DualVirtualSerial.aps"></File></Folder><Folder name="GenericHID"><File path="Demos\Device\ClassDriver\GenericHID\Descriptors.c"></File><File path="Demos\Device\ClassDriver\GenericHID\Descriptors.h"></File><File path="Demos\Device\ClassDriver\GenericHID\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.c"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.h"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.txt"></File><File path="Demos\Device\ClassDriver\GenericHID\makefile"></File><File path="Demos\Device\ClassDriver\GenericHID\GenericHID.aps"></File></Folder><Folder name="Joystick"><File path="Demos\Device\ClassDriver\Joystick\Descriptors.c"></File><File path="Demos\Device\ClassDriver\Joystick\Descriptors.h"></File><File path="Demos\Device\ClassDriver\Joystick\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.c"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.h"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.txt"></File><File path="Demos\Device\ClassDriver\Joystick\makefile"></File><File path="Demos\Device\ClassDriver\Joystick\Joystick.aps"></File></Folder><Folder name="Keyboard"><File path="Demos\Device\ClassDriver\Keyboard\Descriptors.c"></File><File path="Demos\Device\ClassDriver\Keyboard\Descriptors.h"></File><File path="Demos\Device\ClassDriver\Keyboard\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.c"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.h"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.txt"></File><File path="Demos\Device\ClassDriver\Keyboard\makefile"></File><File path="Demos\Device\ClassDriver\Keyboard\Keyboard.aps"></File></Folder><Folder name="KeyboardMouse"><File path="Demos\Device\ClassDriver\KeyboardMouse\Descriptors.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\Descriptors.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.txt"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\makefile"></File><File path="Demos\Device\ClassDriver\KeyboardMouse\KeyboardMouse.aps"></File></Folder><Folder name="KeyboardMouseMultiReport"><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Descriptors.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Descriptors.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\Doxygen.conf"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.c"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.h"></File><File path="Demos\Device\ClassDriver\KeyboardMouseMultiReport\KeyboardMouseMultiReport.txt"></File><File path="Demos\DeLine truncated
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@@ -34,6 +34,7 @@
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* having to reset the Mass Storage interface
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* - USB_CONFIG_ATTR_BUSPOWERED constant renamed to USB_CONFIG_ATTR_RESERVED, as this was misnamed (thanks to NXP Semiconductors)
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* - Reordered board name definition indexes so that a mispelled BOARD compile option will default to BOARD_USER rather than BOARD_USBKEY
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* - Altered the HID class driver to only try to construct at maximum one packet per USB frame, to reduce CPU usage
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* - Library Applications:
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* - Altered the Mass Storage Host LowLevel demo so that SCSI data STALLs from the attached device can be recovered from automatically without
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* having to reset the Mass Storage interface
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@@ -156,6 +156,9 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
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if (HIDInterfaceInfo->State.PrevFrameNum == USB_Device_GetFrameNumber())
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return;
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Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);
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if (Endpoint_IsReadWriteAllowed())
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@@ -190,6 +193,8 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
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Endpoint_ClearIN();
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}
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HIDInterfaceInfo->State.PrevFrameNum = USB_Device_GetFrameNumber();
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}
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}
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@@ -113,6 +113,7 @@
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struct
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{
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bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode. */
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uint16_t PrevFrameNum; /**< Frame number of the previous HID report packet opportunity. */
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uint16_t IdleCount; /**< Report idle period, in milliseconds, set by the host. */
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uint16_t IdleMSRemaining; /**< Total number of milliseconds remaining before the idle period elapsed - this
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* should be decremented by the user application if non-zero each millisecond. */
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