173 rindas
4.9 KiB
C
173 rindas
4.9 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2014.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief USB Controller Interrupt definitions for the AVR XMEGA microcontrollers.
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*
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* This file contains definitions required for the correct handling of low level USB service routine interrupts
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* from the USB controller.
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB driver
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* dispatch header located in LUFA/Drivers/USB/USB.h.
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*/
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#ifndef __USBINTERRUPT_XMEGA_H__
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#define __USBINTERRUPT_XMEGA_H__
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/* Includes: */
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#include "../../../../Common/Common.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_USB_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
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#endif
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Enums: */
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enum USB_Interrupts_t
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{
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USB_INT_BUSEVENTI = 1,
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USB_INT_BUSEVENTI_Suspend = 2,
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USB_INT_BUSEVENTI_Resume = 3,
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USB_INT_BUSEVENTI_Reset = 4,
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USB_INT_SOFI = 5,
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};
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/* Inline Functions: */
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static inline void USB_INT_Enable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
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static inline void USB_INT_Enable(const uint8_t Interrupt)
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{
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switch (Interrupt)
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{
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case USB_INT_BUSEVENTI:
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USB.INTCTRLA |= USB_BUSEVIE_bm;
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break;
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case USB_INT_SOFI:
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USB.INTCTRLA |= USB_SOFIE_bm;
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break;
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default:
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break;
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}
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}
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static inline void USB_INT_Disable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
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static inline void USB_INT_Disable(const uint8_t Interrupt)
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{
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switch (Interrupt)
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{
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case USB_INT_BUSEVENTI:
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USB.INTCTRLA &= ~USB_BUSEVIE_bm;
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break;
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case USB_INT_SOFI:
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USB.INTCTRLA &= ~USB_SOFIE_bm;
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break;
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default:
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break;
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}
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}
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static inline void USB_INT_Clear(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
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static inline void USB_INT_Clear(const uint8_t Interrupt)
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{
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switch (Interrupt)
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{
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case USB_INT_BUSEVENTI_Suspend:
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USB.INTFLAGSACLR = USB_SUSPENDIF_bm;
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break;
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case USB_INT_BUSEVENTI_Resume:
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USB.INTFLAGSACLR = USB_RESUMEIF_bm;
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break;
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case USB_INT_BUSEVENTI_Reset:
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USB.INTFLAGSACLR = USB_RSTIF_bm;
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break;
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case USB_INT_SOFI:
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USB.INTFLAGSACLR = USB_SOFIF_bm;
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break;
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default:
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break;
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}
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}
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static inline bool USB_INT_IsEnabled(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline bool USB_INT_IsEnabled(const uint8_t Interrupt)
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{
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switch (Interrupt)
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{
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case USB_INT_BUSEVENTI:
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return ((USB.INTCTRLA & USB_BUSEVIE_bm) ? true : false);
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case USB_INT_SOFI:
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return ((USB.INTCTRLA & USB_SOFIE_bm) ? true : false);
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default:
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return false;
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}
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}
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static inline bool USB_INT_HasOccurred(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline bool USB_INT_HasOccurred(const uint8_t Interrupt)
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{
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switch (Interrupt)
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{
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case USB_INT_BUSEVENTI_Suspend:
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return ((USB.INTFLAGSACLR & USB_SUSPENDIF_bm) ? true : false);
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case USB_INT_BUSEVENTI_Resume:
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return ((USB.INTFLAGSACLR & USB_RESUMEIF_bm) ? true : false);
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case USB_INT_BUSEVENTI_Reset:
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return ((USB.INTFLAGSACLR & USB_RSTIF_bm) ? true : false);
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case USB_INT_SOFI:
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return ((USB.INTFLAGSACLR & USB_SOFIF_bm) ? true : false);
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default:
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return false;
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}
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}
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/* Includes: */
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#include "../USBMode.h"
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#include "../Events.h"
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#include "../USBController.h"
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/* Function Prototypes: */
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void USB_INT_ClearAllInterrupts(void);
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void USB_INT_DisableAllInterrupts(void);
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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