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