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authorDean Camera <dean@fourwalledcubicle.com>2011-07-15 08:46:08 +0000
committerDean Camera <dean@fourwalledcubicle.com>2011-07-15 08:46:08 +0000
commit0c2ad9eb349e1a5676468af3b407329dde4a53b4 (patch)
treeb3e3ee89775704f827926613b9924d927e06acd5 /LUFA/Platform/UC3/InterruptManagement.h
parenta36012fc4b057dc1fe96f75a005cd8ba017a6a71 (diff)
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-rw-r--r--LUFA/Platform/UC3/InterruptManagement.h324
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diff --git a/LUFA/Platform/UC3/InterruptManagement.h b/LUFA/Platform/UC3/InterruptManagement.h
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--- a/LUFA/Platform/UC3/InterruptManagement.h
+++ b/LUFA/Platform/UC3/InterruptManagement.h
@@ -1,162 +1,162 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
- *
- * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
- * handlers within the device.
- */
-
-/** \ingroup Group_PlatformDrivers
- * \defgroup Group_PlatformDrivers_UC3Interrupts UC3 Interrupt Controller Driver - LUFA/Platform/UC3/InterruptManagement.h
- * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - LUFA/Platform/UC3/InterruptManagement.c
- * - LUFA/Platform/UC3/Exception.S
- *
- * \section Sec_ModDescription Module Description
- * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
- * handlers within the device.
- *
- * Usage Example:
- * \code
- * #include <LUFA/Platform/UC3/InterruptManagement.h>
- *
- * ISR(USB_Group_IRQ_Handler)
- * {
- * // USB group handler code here
- * }
- *
- * void main(void)
- * {
- * INTC_Init();
- * INTC_RegisterGroupHandler(INTC_IRQ_GROUP(AVR32_USBB_IRQ), AVR32_INTC_INT0, USB_Group_IRQ_Handler);
- * }
- * \endcode
- *
- * @{
- */
-
-#ifndef _UC3_INTERRUPT_MANAGEMENT_H_
-#define _UC3_INTERRUPT_MANAGEMENT_H_
-
- /* Includes: */
- #include <LUFA/Common/Common.h>
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Type Defines: */
- typedef void (*InterruptHandlerPtr_t)(void);
-
- /* External Variables: */
- extern const void EVBA_Table;
- extern const uint32_t Autovector_Table[];
- extern InterruptHandlerPtr_t InterruptHandlers[AVR32_INTC_NUM_INT_GRPS];
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Converts a given interrupt index into its assocated interrupt group.
- *
- * \param[in] IRQIndex Index of the interrupt request to convert.
- *
- * \return Interrupt group number associated with the interrupt index.
- */
- #define INTC_IRQ_GROUP(IRQIndex) (IRQIndex / 32)
-
- /** Converts a given interrupt index into its assocated interrupt line.
- *
- * \param[in] IRQIndex Index of the interrupt request to convert.
- *
- * \return Interrupt line number associated with the interrupt index.
- */
- #define INTC_IRQ_LINE(IRQIndex) (IRQIndex % 32)
-
- /* Function Prototypes: */
- /** Initializes the interrupt controller, nulling out all interrupt handlers ready for new registration. This
- * function should be called once on startup to ensure the interrupt controller is ready for use.
- */
- void INTC_Init(void);
-
- /* Inline Functions: */
- /** Registers a handler for a given interrupt group. On the AVR32 UC3 devices, interrupts are grouped by
- * peripheral. To save on SRAM used, a single ISR handles all interrupt lines within a single group - to
- * determine the exact line that has interrupted within the group ISR handler, use \ref INTC_GetGroupInterrupts().
- *
- * If multiple interrupts with the same group are registered, the last registered handler will become the
- * handler called for interrupts raised within that group.
- *
- * To obtain the group number of a specific interrupt index, use the \ref INTC_IRQ_GROUP() macro.
- *
- * \param[in] GroupNumber Group number of the interrupt group to register a handler for.
- * \param[in] InterruptLevel Priority level for the specified interrupt, a \c AVR32_INTC_INT* mask.
- * \param[in] Handler Address of the ISR handler for the interrupt group.
- */
- static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
- const uint8_t InterruptLevel,
- const InterruptHandlerPtr_t Handler) ATTR_ALWAYS_INLINE;
- static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
- const uint8_t InterruptLevel,
- const InterruptHandlerPtr_t Handler)
- {
- InterruptHandlers[GroupNumber] = Handler;
- AVR32_INTC.ipr[GroupNumber] = Autovector_Table[InterruptLevel];
- }
-
- /** Retrieves the pending interrupts for a given interrupt group. The result of this function should be masked
- * against interrupt request indexes converted to a request line number via the \ref INTC_IRQ_LINE() macro. To
- * obtain the group number of a given interrupt request, use the \ref INTC_IRQ_GROUP() macro.
- *
- * \param[in] GroupNumber Group number of the interrupt group to check.
- *
- * \return Mask of pending interrupt lines for the given interrupt group.
- */
- static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber) ATTR_ALWAYS_INLINE;
- static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber)
- {
- return AVR32_INTC.irr[GroupNumber];
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
+ *
+ * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
+ * handlers within the device.
+ */
+
+/** \ingroup Group_PlatformDrivers
+ * \defgroup Group_PlatformDrivers_UC3Interrupts UC3 Interrupt Controller Driver - LUFA/Platform/UC3/InterruptManagement.h
+ * \brief Interrupt Controller Driver for the AVR32 UC3 microcontrollers.
+ *
+ * \section Sec_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - LUFA/Platform/UC3/InterruptManagement.c
+ * - LUFA/Platform/UC3/Exception.S
+ *
+ * \section Sec_ModDescription Module Description
+ * Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
+ * handlers within the device.
+ *
+ * Usage Example:
+ * \code
+ * #include <LUFA/Platform/UC3/InterruptManagement.h>
+ *
+ * ISR(USB_Group_IRQ_Handler)
+ * {
+ * // USB group handler code here
+ * }
+ *
+ * void main(void)
+ * {
+ * INTC_Init();
+ * INTC_RegisterGroupHandler(INTC_IRQ_GROUP(AVR32_USBB_IRQ), AVR32_INTC_INT0, USB_Group_IRQ_Handler);
+ * }
+ * \endcode
+ *
+ * @{
+ */
+
+#ifndef _UC3_INTERRUPT_MANAGEMENT_H_
+#define _UC3_INTERRUPT_MANAGEMENT_H_
+
+ /* Includes: */
+ #include <LUFA/Common/Common.h>
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Type Defines: */
+ typedef void (*InterruptHandlerPtr_t)(void);
+
+ /* External Variables: */
+ extern const void EVBA_Table;
+ extern const uint32_t Autovector_Table[];
+ extern InterruptHandlerPtr_t InterruptHandlers[AVR32_INTC_NUM_INT_GRPS];
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Converts a given interrupt index into its assocated interrupt group.
+ *
+ * \param[in] IRQIndex Index of the interrupt request to convert.
+ *
+ * \return Interrupt group number associated with the interrupt index.
+ */
+ #define INTC_IRQ_GROUP(IRQIndex) (IRQIndex / 32)
+
+ /** Converts a given interrupt index into its assocated interrupt line.
+ *
+ * \param[in] IRQIndex Index of the interrupt request to convert.
+ *
+ * \return Interrupt line number associated with the interrupt index.
+ */
+ #define INTC_IRQ_LINE(IRQIndex) (IRQIndex % 32)
+
+ /* Function Prototypes: */
+ /** Initializes the interrupt controller, nulling out all interrupt handlers ready for new registration. This
+ * function should be called once on startup to ensure the interrupt controller is ready for use.
+ */
+ void INTC_Init(void);
+
+ /* Inline Functions: */
+ /** Registers a handler for a given interrupt group. On the AVR32 UC3 devices, interrupts are grouped by
+ * peripheral. To save on SRAM used, a single ISR handles all interrupt lines within a single group - to
+ * determine the exact line that has interrupted within the group ISR handler, use \ref INTC_GetGroupInterrupts().
+ *
+ * If multiple interrupts with the same group are registered, the last registered handler will become the
+ * handler called for interrupts raised within that group.
+ *
+ * To obtain the group number of a specific interrupt index, use the \ref INTC_IRQ_GROUP() macro.
+ *
+ * \param[in] GroupNumber Group number of the interrupt group to register a handler for.
+ * \param[in] InterruptLevel Priority level for the specified interrupt, a \c AVR32_INTC_INT* mask.
+ * \param[in] Handler Address of the ISR handler for the interrupt group.
+ */
+ static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
+ const uint8_t InterruptLevel,
+ const InterruptHandlerPtr_t Handler) ATTR_ALWAYS_INLINE;
+ static inline void INTC_RegisterGroupHandler(const uint16_t GroupNumber,
+ const uint8_t InterruptLevel,
+ const InterruptHandlerPtr_t Handler)
+ {
+ InterruptHandlers[GroupNumber] = Handler;
+ AVR32_INTC.ipr[GroupNumber] = Autovector_Table[InterruptLevel];
+ }
+
+ /** Retrieves the pending interrupts for a given interrupt group. The result of this function should be masked
+ * against interrupt request indexes converted to a request line number via the \ref INTC_IRQ_LINE() macro. To
+ * obtain the group number of a given interrupt request, use the \ref INTC_IRQ_GROUP() macro.
+ *
+ * \param[in] GroupNumber Group number of the interrupt group to check.
+ *
+ * \return Mask of pending interrupt lines for the given interrupt group.
+ */
+ static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber) ATTR_ALWAYS_INLINE;
+ static inline uint_reg_t INTC_GetGroupInterrupts(const uint16_t GroupNumber)
+ {
+ return AVR32_INTC.irr[GroupNumber];
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */