X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5051df08d761acada01c4db4ee468e236245bc04..a032d77d0e8009a3ef7e1666f144cde6f08f800e:/LUFA/Platform/UC3/InterruptManagement.h

diff --git a/LUFA/Platform/UC3/InterruptManagement.h b/LUFA/Platform/UC3/InterruptManagement.h
index 4c2721077..e9efbf311 100644
--- a/LUFA/Platform/UC3/InterruptManagement.h
+++ b/LUFA/Platform/UC3/InterruptManagement.h
@@ -41,8 +41,8 @@
  *
  *  \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
+ *    - LUFA/Platform/UC3/InterruptManagement.c <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
+ *    - LUFA/Platform/UC3/Exception.S <i>(Makefile source module name: LUFA_SRC_PLATFORM)</i>
  *
  *  \section Sec_ModDescription Module Description
  *  Interrupt controller driver for the AVR32 UC3 microcontrollers, for the configuration of interrupt
@@ -51,12 +51,12 @@
  *  Usage Example:
  *  \code
  *		#include <LUFA/Platform/UC3/InterruptManagement.h>
- *
+ *      
  *		ISR(USB_Group_IRQ_Handler)
  *		{
  *			// USB group handler code here
  *		}
- *
+ *      
  *		void main(void)
  *		{
  *			INTC_Init();
@@ -71,7 +71,7 @@
 #define _UC3_INTERRUPT_MANAGEMENT_H_
 
 	/* Includes: */
-		#include <LUFA/Common/Common.h>
+		#include "../../Common/Common.h"
 
 	/* Enable C linkage for C++ Compilers: */
 		#if defined(__cplusplus)
@@ -84,14 +84,16 @@
 			typedef void (*InterruptHandlerPtr_t)(void);
 
 		/* External Variables: */
-			extern const void            EVBA_Table;
-			extern const uint32_t        Autovector_Table[];
+			#if defined(__INCLUDE_FROM_INTMANAGEMENT_C)
+				extern const void        EVBA_Table;
+			#endif
 			extern InterruptHandlerPtr_t InterruptHandlers[AVR32_INTC_NUM_INT_GRPS];
+			extern const uint32_t        Autovector_Table[];
 	#endif
 
 	/* Public Interface - May be used in end-application: */
 		/* Macros: */
-			/** Converts a given interrupt index into its assocated interrupt group.
+			/** Converts a given interrupt index into its associated interrupt group.
 			 *
 			 *  \param[in] IRQIndex  Index of the interrupt request to convert.
 			 *
@@ -99,7 +101,7 @@
 			 */
 			#define INTC_IRQ_GROUP(IRQIndex)  (IRQIndex / 32)
 
-			/** Converts a given interrupt index into its assocated interrupt line.
+			/** Converts a given interrupt index into its associated interrupt line.
 			 *
 			 *  \param[in] IRQIndex  Index of the interrupt request to convert.
 			 *
@@ -108,10 +110,19 @@
 			#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.
+			/** Initializes the interrupt controller ready to handle interrupts. This must be called at the
+			 *  start of the user program before any interrupts are registered or enabled.
+			 */
+			void INTC_Init(void);			
+			
+			/** Retrieves the associated interrupt handler for the interrupt group currently being fired. This
+			 *  is called directly from the exception handler routine before dispatching to the ISR.
+			 *
+			 *  \param[in] InterruptLevel  Priority level of the interrupt.
+			 *
+			 *  \return Pointer to the associated interrupt handler function, or NULL if no handler set.
 			 */
-			void INTC_Init(void);
+			InterruptHandlerPtr_t INTC_GetInterruptHandler(const uint_reg_t InterruptLevel);
 
 		/* Inline Functions: */
 			/** Registers a handler for a given interrupt group. On the AVR32 UC3 devices, interrupts are grouped by